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Items where Author is "Yap, Chee Kong"

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Ashraf, Ahmadreza and Saion, Elias and Gharibshahi, Elham and Yap, Chee Kong and Mohamed Kamari, Halimah and Elias, Md Suhaimi and Mohamed, Shamsiah (2018) Distribution of heavy metals in core marine sediments of coastal East Malaysia by instrumental neutron activation analysis and inductively coupled plasma spectroscopy. Applied Radiation and Isotopes, 132. pp. 222-231. ISSN 0969-8043; ESSN: 1872-9800

Ibrahim, Mohd Hafiz and Yap, Chee Kong and Mohd Zain, Nurul Amalina (2017) Effect of cadmium and copper exposure to growth, secondary metabolites and antioxidant activity in a medicinal plant Sambung nyawa (Gynura procumbens). Molecules, 22 (10). pp. 1-16. ISSN 1420-3049; ESSN: 1420-3049

Yap, Chee Kong and Omar, Hishamuddin and Nulit, Rosimah and Ong, Ghim Hock and Bakhtiari, Alireza A. and Varnamkhasti, Ali Karami and Al-Shami, Salman Abdo (2017) Relationships of Zn between Centella asiatica and geochemical fractions of the habitat topsoils: implications of biomonitoring of Zn. Open Biological Sciences Journal, 3. 26 - 35. ISSN 2352-6335

Ashraf, Ahmadreza and Saion, Elias and Gharibshahi, Elham and Mohamed Kamari, Halimah and Yap, Chee Kong and Hamzah, Mohd Suhaimi and Elias, Md Suhaimi (2017) Distribution of trace elements in core marine sediments of coastal East Malaysia by instrumental neutron activation analysis. Applied Radiation and Isotopes, 122. pp. 96-105. ISSN 0969-8043; ESSN: 1872-9800

Yap, Chee Kong (2017) Essential minerals for good heath, but their overdose is not. EC Nutrition, 6 (3). 109 - 112.

Yap, Chee Kong and Bakhtiari, Alireza Riyahi and Cheng, Wan Hee (2017) Impacts of marine pollution and toxicology: a Mussel Watch experience in Peninsular Malaysia. Journal of Aquatic Pollution and Toxicology, 1 (1). pp. 1-4.

Ong, Ghim Hock and Yap, Chee Kong and Mahmood, Maziah and Tan, Soon Guan and Hamzah, Mohd Suhaimi (2017) Magnesium in local edible ulam (Centella asiatica) and its relation to their habitat soils in Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 40 (1). pp. 1-18. ISSN 1511-3701; ESSN: 2231-8542

Sharifinia, Moslem and Mahmoudifard, Abbas and Imanpour Namin, Javid and Ramezanpour, Zohreh and Yap, Chee Kong (2016) Pollution evaluation in the Shahrood River: do physico-chemical and macroinvertebrate-based indices indicate same responses to anthropogenic activities? Chemosphere, 159. pp. 584-594. ISSN 0045-6535; ESSN: 1879-1298

Ong, Ghim Hock and Wong, Ling Shing and Tan, Ai Li and Yap, Chee Kong (2016) Effects of metal-contaminated soils on the accumulation of heavy metals in gotu kola (Centella asiatica) and the potential health risks: a study in Peninsular Malaysia. Environmental Monitoring and Assessment, 188 (40). pp. 1-10. ISSN 0167-6369; ESSN: 1573-2959

Ashraf, Ahmadreza and Saion, Elias and Gharibshahi, Elham and Mohamed Kamari, Halimah and Yap, Chee Kong and Hamzah, Mohd Suhaimi and Elias, Md Suhaimi (2016) Rare earth elements in core marine sediments of coastal East Malaysia by instrumental neutron activation analysis. Applied Radiation and Isotopes, 107. pp. 17-23. ISSN 0969-8043; ESSN: 1872-9800

Karami, Ali and Romano, Nicholas Paul and Hamzah, Hazilawati and Simpson, Stuart L. and Yap, Chee Kong (2016) Acute phenanthrene toxicity to juvenile diploid and triploid African catfish (Clarias gariepinus): molecular, biochemical, and histopathological alterations. Environmental Pollution, 212. pp. 155-165. ISSN 0269-7491; ESSN: 1873-6424

Yap, Chee Kong and Cheng, Wan Hee and Karami, Ali and Ismail, Ahmad (2016) Health risk assessments of heavy metal exposure via consumption of marine mussels collected from anthropogenic sites. Science of the Total Environment, 553. pp. 285-296. ISSN 0048-9697; ESSN: 1879-1026

Cheng, Wan Hee and Yap, Chee Kong and Zakaria, Mohamad Pauzi and Aris, Ahmad Zaharin and Tan, Soon Guan (2015) Lithium levels in Peninsular Malaysian coastal areas: an assessment based on mangrove snail Nerita lineata and surface sediments. Pertanika Journal of Tropical Agricultural Science, 38 (1). pp. 93-101. ISSN 1511-3701; ESSN: 2231-8542

Kumar, Krishnan and Saion, Elias and Mohamed Kamari, Halimah and Yap, Chee Kong and Hamzah, Muhd Suhaimi (2014) Rare earth element (REE) in surface mangrove sediment by instrumental neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry, 301 (3). pp. 667-676. ISSN 0236-5731; ESSN: 1588-2780

Yap, Chee Kong (2014) Shells of Telescopium telescopium as biomonitoring materials of Ni pollution in the tropical intertidal area. International Journal of Advances in Applied Sciences, 3 (1). pp. 11-18. ISSN 2252-8814

Yap, Chee Kong (2014) A review on contamination of heavy metals, linear alkylbenzenes, polycyclic aromatic hydrocarbons, phenolic endocrine disrupting chemicals and organochlorine compounds in Perna viridis from the coastal waters of Malaysia: a compilation of 1998 data. International Journal of Advances in Applied Sciences, 3 (1). pp. 1-10. ISSN 2252-8814

Yap, Chee Kong and Edward, Franklin Berandah and Tan, Soon Guan (2014) Concentrations of heavy metals in different tissues of the bivalve Polymesoda erosa: its potentials as a biomonitor and food safety concern. Pertanika Journal of Tropical Agricultural Science, 37 (1). pp. 19-38. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong (2014) Contamination of heavy metals and other organic pollutants in Perna viridis from the coastal waters of Malaysia: a review based on 1998 data. Journal of Scientific Research and Reports, 3 (1). pp. 1-16. ISSN 2320–0227

Yap, Chee Kong and Ong, Hock Ghim and Mahmood, Maziah and Hamzah, Mohd Suhaimi and Tan, Soon Guan (2013) Centella asiatica: a potential candidate to assess the uranium contamination in soil. Journal of Sustainability Science and Management, 8 (2). pp. 171-179. ISSN 1823-8556

Yee, Elsie Yoke Sim and Zainuddin, Zainal Zahari and Ismail, Ahmad and Yap, Chee Kong and Tan, Soon Guan (2013) Identification of hybrids of painted and milky storks using FTA card-collected blood, molecular markers, and morphologies. Biochemical Genetics, 51 (9-10). pp. 789-799. ISSN 0006-2928; ESSN: 1573-4927

Ong, G. H. and Yap, Chee Kong and Mahmood, Maziah and Tan, Soon Guan (2013) Accumulation of heavy metals and antioxidative enzymes of Centella asiatica in relation to metals of the soils. Pertanika Journal of Tropical Agricultural Science, 36 (4). 311 - 336. ISSN 1511-3701; ESSN: 2231-8542

Ong, Ghim Hock and Yap, Chee Kong and Mahmood, Maziah and Tan, Soon Guan (2013) Accumulation of heavy metals and antioxidative enzymes of Centella asiatica in relation to metals of the soils. Pertanika Journal of Tropical Agricultural Science, 36 (4). pp. 311-336. ISSN 1511-3701; ESSN: 2231-8542

Ng, Eugene Yew Jing and Yap, Chee Kong and Zakaria, Mohamad Pauzi and Aris, Ahmad Zaharin and Tan, Soon Guan (2013) Accumulation of trace metals in mussel Perna viridis transplanted from a relatively unpolluted site at Kg. Sg. Melayu to a polluted site at Kg. Pasir Puteh and to an unpolluted site at Sg Belungkor in the straits of Johore, Iran. Ecology, Environment and Conservation, 19 (1). pp. 27-31. ISSN 0971-765X

Ng, Eugene Yew Jing and Yap, Chee Kong and Zakaria, Mohamad Pauzi and Tan, Soon Guan (2013) Assessment of heavy metal pollution in the Straits of Johore by using transplanted caged mussel, Perna viridis. Pertanika Journal of Science & Technology, 21 (1). pp. 75-96. ISSN 0128-7680; ESSN: 2231-8526

Ng, Eugene Y. J. and Yap, Chee Kong and Zakaria, Mohamad Pauzi and Tan, Soon Guan (2013) Assessment of heavy metal pollution in the Straits of Johore by using transplanted caged mussels, Perna viridis. Pertanika Journal of Science & Technology, 21 (1). pp. 75-96. ISSN 0128-7680; ESSN: 2231-8526

Ong, Ghim Hock and Yap, Chee Kong and Mahmood, Maziah and Tan, Soon Guan and Hamzah, Suhaimi (2013) Barium levels in soils and Centella asiatica. Tropical Life Sciences Research, 24 (1). pp. 55-70. ISSN 1985-3718; ESSN: 2180-4249

Yap, Chee Kong and Cheng, W. H. and Zakaria, Mohamad Pauzi and Aris, Ahmad Zaharin and Tan, Soon Guan (2013) Cd and Zn in Nerita lineata collected from selected areas of the southern west coast of Peninsular Malaysia. Journal of Sustainability Science and Management, 8 (2). pp. 71-75. ISSN 1823-8556

Cheng, Wan Hee and Yap, Chee Kong and Zakaria, Mohamad Pauzi and Aris, Ahmad Zaharin and Tan, Soon Guan (2013) Concentrations of Cu, Fe and Pb in Nerita lineata collected from selected sites in peninsular Malaysia and the snail's utility as a biomonitor of Pb. Pollution Research, 32 (2). pp. 211-216. ISSN 0257-8050

Yap, Chee Kong and Cheng, Wan Hee (2013) Distributions of heavy metal concentrations in different tissues of the mangrove snail nerita lineata. Sains Malaysiana, 42 (5). pp. 597-603. ISSN 0026-6039

Mirsadeghia, Seideh Aghileh and Zakaria, Mohamad Pauzi and Yap, Chee Kong and Gobas, Frank (2013) Evaluation of the potential bioaccumulation ability of the blood cockle (Anadara granosa L.) for assessment of environmental matrices of mudflats. Science of The Total Environment, 454-455. 584-597. ISSN 0048-9697; ESSN: 1879-1026

Yap, Chee Kong and Cheng, Wan Hee and Ong, C. C. and Tan, Soon Guan (2013) Heavy metal contamination and physical barrier are main causal agents for the genetic differentiation of Perna viridis populations in Peninsular Malaysia. Sains Malaysiana, 42 (11). pp. 1557-1564. ISSN 0026-6039

Yap, Chee Kong and Al-Zharany, A. A. and Saion, Elias (2013) Is water depth a major factor in the heavy metal concentrations of the sediment cores collected from the northern part of the Straits of Malacca? Pollution Research, 32 (2). pp. 195-199. ISSN 0257-8050

Yee, Elsie Yoke Sim and Zainuddin, Zainal Zahari and Ismail, Ahmad and Yap, Chee Kong and Tan, Soon Guan (2013) Molecular sex identification of painted storks (Mycteria leucocephala): using FTA cards, horizontal PAGE and quick silver staining. Journal of Genetics, 92. e15-e18. ISSN 0022-1333; ESSN: 0973-7731

Yap, Chee Kong and Arifin, Noorhaidah and Tan, Soon Guan (2013) Relationships of copper concentrations between the different soft tissues of Telescopium telescopium and the surface sediments collected from tropical intertidal areas. International Journal of Chemistry, 5 (1). pp. 8-19. ISSN 1916-9698; ESSN: 1916-9701

Ong, Ghim Hock and Yap, Chee Kong and Mahmood, Maziah and Tan, Soon Guan (2013) Synergistic and antagonistic effects of zinc bioaccumulation with lead and antioxidant activities in Centella asiatica. Sains Malaysiana, 42 (11). pp. 1549-1555. ISSN 0026-6039

Ng, Eugene Y. J. and Yap, Chee Kong and Zakaria, Mohamad Pauzi and Aris, Ahmad Zaharin and Tan, Soon Guan (2013) Trace metal concentrations in the different parts of Perna viridis collected from some jetties in the straits of Johore. Pollution Research, 32 (1). pp. 9-19. ISSN 0257-8050

Ng, Eugene Yew Jing and Yap, Chee Kong and Zakaria, Mohamad Pauzi and Aris, Ahmad Zaharin and Tan, Soon Guan (2013) Trace metals in the shells of mussels Perna viridis transplanted from polluted to relatively unpolluted sites in the Straits of Johore: shells as biomonitoring materials. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 15 (1). pp. 5-8. ISSN 0972-3005

Yap, Chee Kong and Chew, W. (2013) Use of different tissues of horseshoe crabs Tachypleus gigas for biomonitoring heavy metal bioavailability and contamination in intertidal area of Peninsular Malaysia. Pollution Research, 32 (1). pp. 1-8. ISSN 0257-8050

Yap, Chee Kong (2013) Variations of electrical conductivity between upstream and downstream of Langat River, Malaysia : its significance as a single indicator of water quality deterioration. Pertanika Journal of Tropical Agricultural Science, 36 (4). pp. 299-310. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong (2013) Variations of electrical conductivity between upstream and downstream of Langat River, Malaysia: its significance as a single indicator of water quality deterioration. Pertanika Journal of Tropical Agricultural Science, 36 (4). pp. 299-310. ISSN 1511-3701; ESSN: 2231-8542

Ong, Ghim Hock and Yap, Chee Kong and Mahmood, Maziah and Suhaimi, H. and Tan, Soon Guan (2013) An investigation of arsenic contamination in Peninsular Malaysia based on Centella asiatica and soil samples. Environmental Monitoring and Assessment, 185 (4). pp. 3243-3254. ISSN 0167-6369; ESSN: 1573-2959

Yap, Chee Kong and Sulaiman, Mohd. Nasir and Edward, Franklin Berandah and Tan, Soon Guan (2012) Anthropogenic inputs of heavy metals in the east part of the Johore Straits as revealed by their concentrations in the different soft tissues of Perna viridis (L.). Pertanika Journal of Tropical Agricultural Science, 35 (4). pp. 815-822. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong (2012) Application of factor analysis in geochemical fractions of heavy metals in the surface sediments of the offshore and intertidal areas of Peninsular Malaysia. Sains Malaysiana, 41 (4). pp. 389-394. ISSN 0126-6039

Khumran, A.M. and Yusoff, Rosnina and Omar, Mohamed Ariff and Haron, Abdul Wahid and Dhaliwal, Gurmeet Kaur and Khanh, N.P. and Yap, Chee Kong and M., M. Fahmi and M. E., Azmil (2012) Comparison of estrus response and pregnancy rates of beef cows synchronized with progesterone and prostaglandin-based protocols. Journal of Animal and Veterinary Advances, 11 (19). pp. 3561-3567. ISSN 1680-5593; ESSN: 1993-601X

Yap, Chee Kong and Arifin, Noorhaidah and Tan, Soon Guan (2012) Digestive caecum and tissue redistribution in gill of Telescopium telescopium as indicators of Ni bioavailabilities and contamination in the tropical intertidal area. Water, Air and Soil Pollution, 223 (6). pp. 2891-2905. ISSN 0049-6979; ESSN: 1573-2932

Cheng, Wan Hee and Yap, Chee Kong and Ahmad, Ismail and Ismail, Abdul Rahim (2012) Distribution and concentrations of Ni in tissues of the gastropod Nerita lineata collected from intertidal areas of Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 35 (4). pp. 711-724. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong and Arifin, Noorhaidah (2012) Distribution of heavy metal concentrations in the different soft and hard tissues of tropical mud-flat snail telescopium telescopium (Family: Potamididae) collected from Sepang Besar River. Pertanika Journal of Tropical Agricultural Science, 35 (3). pp. 427-438. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong (2012) Distributions of Cu and Zn in the shell lipped part periostracum and soft tissues of perna viridis: the potential of periostracum as a biomonitoring material for Cu contamination. Pertanika Journal of Tropical Agricultural Science, 35 (3). pp. 413-426. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong and Chew, W. Y. and Tan, Soon Guan (2012) Heavy metal concentrations in ceiling fan and roadside car park dust collected from residential colleges in Universiti Putra Malaysia, Serdang, Selangor. Pertanika Journal of Tropical Agricultural Science, 35 (1). pp. 75-83. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong and Rashiq, M. and Edward Thomas, Franklin Berandah (2012) Is a mussel processing site a point source of Zn contamination? evidence of Zn remobilization from boiled mussel, Perna viridis. Pertanika Journal of Tropical Agricultural Science, 35 (2). pp. 199-207. ISSN 1511-3701

Yap, Chee Kong and Ismail, Ahmad and Zakaria, Mohamad Pauzi and Tan, Soon Guan and Chew, W. (2012) Mercury distribution in a non-native invasive weed Asystasia gangetica from Peninsular Malaysia. Sains Malaysiana, 41 (4). pp. 395-401. ISSN 0126-6039

Rezaie-Atagholipour, Mohsen and Riyahi-Bakhtiari, Alireza and Sajjadi, Mirmasoud and Yap, Chee Kong and Ghaffari, Sanaz and Ebrahimi-Sirizi, Zohreh and Ghezellou, Parviz (2012) Metal concentrations in selected tissues and main prey species of the annulated sea snake (Hydrophis cyanocinctus) in the Hara Protected Area, northeastern coast of the Persian Gulf, Iran. Marine Pollution Bulletin, 64 (2). pp. 416-421. ISSN 0025-326X; ESSN: 1879-3363

Yap, Chee Kong and Al-Barwani, Said Mohammed Hilal (2012) A comparative study of condition indices and heavy metals in Perna viridis populations at Sebatu and Muar, Peninsular Malaysia. Sains Malaysiana, 41 (9). pp. 1063-1069. ISSN 0026-6039

Yap, Chee Kong (2012) The h-index in Elsevier’s Scopus as an indicator of research achievement for young Malaysian scientists. Pertanika Journal of Science & Technology, 20 (2). pp. 197-203. ISSN 0128-7680; ESSN: 2231-8526

Yap, Chee Kong and Chong, Chou Min and Tan, Soon Guan (2011) Lactate dehydrogenase in the guppy fish (Poecilia reticulata) as a biomarker of heavy-metal pollution in freshwater ecosystems. Journal of Sustainability of Science and Management, 6 (2). pp. 240-246. ISSN 1823-8556

Yap, Chee Kong and A. R., Azmizan and M. S., Hanif and Tan, Soon Guan (2011) Use of different tissues of flat-tree oyster Isognomon alatus as biomonitors of bioavailabilities and contamination by Zn in the mangrove area of Peninsular Malaysia. Journal of Sustainability Science and Management, 6 (2). pp. 230-239. ISSN 1823-8556

Yap, Chee Kong and Azmizan, A. R. and Hanif, M. S. (2011) Biomonitoring of trace metals (Fe, Cu and Ni) in the mangrove area of Peninsular Malaysia, using different soft tissues of flat-tree oyster Isognomon alatus. Water, Air and Soil Pollution, 218 (1). pp. 19-36. ISSN 0049-6979

Yap, Chee Kong and Chong, C. M. and Tan, Soon Guan (2011) Allozyme polymorphisms in horseshoe crabs, Carcinoscorpius rotundicauda, collected from polluted and unpolluted intertidal areas in Peninsular Malaysia. Environmental Monitoring and Assessment, 174. pp. 389-400. ISSN 0167-6369

Yap, Chee Kong and A. G., Muhamad Azlan and Cheng, W. H. and Tan, Soon Guan (2011) Accumulation and depuration of Cu and Zn in the blood cockle Anadara granosa (Linnaeus) under laboratory conditions. Pertanika Journal of Tropical Agricultural Science, 34 (1). 75 - 82. ISSN 0126-6128

Yap, Chee Kong and Pang, Bin Huan (2011) Anthropogenic concentrations of Cd, Ni and Zn in the intertidal and drainage sediments collected from north western Peninsular Malaysia. Pertanika Journal of Science & Technology, 19 (1). 93 -107. ISSN 0128-7680; ESSN: 2231-8526

Yap, Chee Kong and Wong, C. H. (2011) Assessment Cu, Ni and Zn pollution in the surface sediments in the Southern Peninsular Malaysia using cluster analysis, ratios of geochemical nonresistant to resistant fractions, and geochemical indices. Environment Asia, 4 (1). pp. 53-61. ISSN 1906-1714

Yap, Chee Kong and Pang, Bin Huan (2011) Assessment of Cu, Pb and Zn contamination in sediment of north western Peninsular Malaysia by using sediment quality values and different geochemical indices. Environmental Monitoring and Assessment, 183 (1-4). pp. 23-39. ISSN 0167-6369; ESSN: 1573-2959

Yap, Chee Kong and Arifin, Noorhaidah (2011) Assessment of bioavailability and contamination by Cd in the tropical intertidal area, using different soft tissues of Telescopium telescopium: statistical multivariate analyses. Journal of Sustainability of Science and Management, 6 (2). pp. 193-205. ISSN 1823-8556

Yap, Chee Kong and Chee, M. W. and Shohaimi, Shamarina and Edward Thomas, Franklin Berandah and Chew, W. and Tan, Soon Guan (2011) Assessment of surface water quality in the Malaysian coastal waters by using multivariate analyses. Sains Malaysiana, 40 (10). pp. 1053-1064. ISSN 0026-6039

Yap, Chee Kong and Ng, Eugene Y. J. and Kwai, W.H. and Hatta, Y. (2011) Background heavy metal concentrations (Cd, Cu, Ni, Pb, Fe and Zn) in modiolus sp. collected from the coast waters of Peninsular Malaysia: A preliminary study. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (1). pp. 131-137. ISSN 0972-3005

Yap, Chee Kong and Edward Thomas, Franklin Berandah (2011) Distribution of heavy metals concentrations in the different parts of the clam Polymesoda erosa: The potentials as a biomonitor. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (3). pp. 409-418. ISSN 0972-3005

Yap, Chee Kong and Aris, Ahmad Zaharin (2011) Evidence of seawater incursion due to over-exploitation of groundwater in a small tropical island: A statistical multivariate analysis. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (3). pp. 419-422. ISSN 0972-3005

Yap, Chee Kong and Arifin, Noorhaidah (2011) Gill and digestive caecum of telescopium telescopium as biomonitors of Pb bioavailability and contamination by Pb in the tropical intertidal area. Sains Malaysiana, 40 (10). pp. 1075-1085. ISSN 0026-6039

Ong, Hock Ghim and Yap, Chee Kong and Mahmood, Maziah and Tan, Soon Guan (2011) Heavy metal accumulation in a medicinal plant Centella asiatica from Peninsular Malaysia. Journal of Biological Sciences, 11 (2). pp. 146-155. ISSN 1727-3048; ESSN: 1812-5719

Yap, Chee Kong and Krishnan, T. and Chew, W. (2011) Heavy metal concentrations in ceiling fan dusts sampled at schools around Serdang area, Selangor. Sains Malaysiana, 40 (6). pp. 569-575. ISSN 0126-6039

Yap, Chee Kong and Chew, W.Y. (2011) Heavy metal concentrations the indoor fan dusts collected from residential areas near cities and recreational areas of Peninsular Malaysia: Possibility of atmospheric pollution. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (1). pp. 151-156. ISSN 0972-3005

Yap, Chee Kong and Yazdani, Mazyar and Abdullah, F. and Tan, Soon Guan (2011) Is the high Cu tolerance of Trichoderma atroviride isolated from the Cu-polluted sediment due to adaptation? an in vitro toxicological study. Sains Malaysiana, 40 (2). pp. 119-124. ISSN 0126-6039

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2011) Mercury concentrations in the different soft tissues and byssus of Perna viridis (L.) collected from the west coast of Peninsular Malaysia. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (2). pp. 237-242. ISSN 0972-3005

Chew, W. and Yap, Chee Kong and Ismail, Ahmad and Zakaria, Mohamad Pauzi and Tan, Soon Guan (2011) Possibility of Hg redistribution in tridax procumbens due to Hg contamnination. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (3). pp. 393-398. ISSN 0972-3005

Yap, Chee Kong and Ismail, Abdul Rahim (2011) Relationships of distribution of macrobenthic invertebrates and the physico-chemical parameters from Semenyih River by using correlation and multiple linear stepwise regression analyses. Pertanika Journal of Tropical Agricultural Science, 34 (2). pp. 229-245. ISSN 1511-3701

Yap, Chee Kong and Arai, Takaomi (2011) Variations of organotin bioaccumulation in the Salmo trutta and Anguilla japonica collected from freshwater and seawater habitats: A re-interpretation from biomonitoring point of view. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (4). pp. 595-598. ISSN 0972-3005

Ong, G.H. and Yap, Chee Kong and Mahmood, Maziah and Tan, Soon Guan (2011) The effect of Cu exposure on the bioaccumulation of Zn and antioxidant activities in different parts of Centella asiatica. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 13 (3). pp. 387-392. ISSN 0972-3005

Yap, Chee Kong and Chew, W. (2011) A higher metal bioavailability and contamination of trace metals in Pantai Lido than Sungai Semerak: Evidence from trace metal concentrations in Polymesoda expansa and surface sediments. Malaysian Applied Biology Journal, 40 (1). pp. 55-59. ISSN 0126-8643

Yap, Chee Kong and Tan, Soon Guan (2011) A study on the potential of the periostracum of Perna viridis as a biomonitoring material for Pb in tropical coastal waters based on correlation analysis. Sains Malaysiana, 40 (8). pp. 809-819. ISSN 0026-6039

Yap, Chee Kong and Lo, W. S. and Edward, Franklin Berandah and Tan, Soon Guan (2010) Multivariate analysis of heavy metal concentrations in the different tissues of four intertidal clams from Peninsular Malaysia. Journal of Sustainability of Science and Management, 5 (2). pp. 110-122. ISSN 1823-8556

N., Yimer and Yusoff, Rosnina and Haron, Abd Wahid and Saharee, Abdul Aziz and Yap, Chee Kong and Perumal, Ganesamurthi (2010) Ovarian activity in beef and dairy cows with prolonged postpartum period and heifers that fail to conceive. Tropical Animal Health and Production, 42 (4). pp. 607-615. ISSN 0049-4747

Yazdani, Mazyar and Yap, Chee Kong and Abdullah, Faridah (2010) Adsorption and absorption of Cu in Trichoderma atroviride. Pertanika Journal of Tropical Agricultural Science, 33 (1). pp. 71-77. ISSN 1511-3701

Arifin, Noorhaidah and Yap, Chee Kong (2010) Correlations between speciation of Zn in sediment and Zn concentrations in different soft tissues of the gastropod Mollusc Telescopium telescopium collected from intertidal areas of Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 33 (1). pp. 79-90. ISSN 1511-3701; ESSN: 2231-8542

Berandah, Franklin Edward and Yap, Chee Kong and Ismail, Ahmad (2010) Bioaccumulation and distribution of heavy metals (Cd, Cu, Fe, Ni, Pb and Zn) in the different tissues of Chicoreus capucinus lamarck (Mollusca: Muricidae) collected from Sungai Janggut, Kuala Langat, Malaysia. Environment Asia, 3 (1). pp. 65-71. ISSN 1906-1714

Yap, Chee Kong and Hisyam, M. N. D. and Edward Thomas, Franklin Berandah and Cheng, Wan Hee and Tan, Soon Guan (2010) Concentrations of heavy metal in different parts of the gastropod, Faunus ater (linnaeus), collected from intertidal areas of Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 33 (1). pp. 45-60. ISSN 1511-3701

Yap, Chee Kong and Cheng, Wan Hee (2010) Depuration of gut contents in the intertidal snail Nerita lineata is not necessary for the study of heavy metal contamination and bioavailability: a laboratory study. Pertanika Journal of Tropical Agricultural Science, 33 (2). pp. 167-170. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong and Edward, Franklin Berandah (2010) Distribution of heavy metals in the different parts of Cerithidea obtusa and the relationships between metal distribution and allometric parameters of the snail. Environment Asia, 3 (2). pp. 38-48. ISSN 1906-1714

Hajarian, Hadi and Haron, Abd Wahid and Otman, Abas Mazni and Yusoff, Rosnina and Daliri, Morteza and Dashtizad, Mojtaba and Abood Haris, Faizah and Yap, Chee Kong and Jaffar, Fahrul Firdaus and Ann, Fazly (2010) Effect of equilibration temperature on in vitro viability and subsequent embryo development of vitrified-warmed immature bovine oocytes. American Journal of Animal and Veterinary Sciences, 5 (2). pp. 71-75. ISSN 1557-4555; ESSN: 1557-4563

Yap, Chee Kong and Mohd Fitri , M. R. and Mazyhar, Y. and Tan, Soon Guan (2010) Effects on the metal-contaminated soils on the accumulation of heavy metals in the different parts of centella asiatica: A laboratory study. Sains Malaysiana, 39 (3). pp. 347-352. ISSN 0126-6039

Yap, Chee Kong and Setapa, Mohd Ruszaidi and Edward Thomas, Franklin Berandah and Tan, Soon Guan (2010) Heavy metal concentrations in the different tissues of horseshoe crabs collected from intertidal sites of the polluted Juru River and the relatively unpolluted Sepang Besar River, Peninsular Malaysia. Malaysian Journal of Science, 29 (2). pp. 137-152. ISSN 1394-3065; ESSN: 2600-8688

Yap, Chee Kong and Edward Thomas, Franklin Berandah and Tan, Soon Guan (2010) Heavy metal concentrations(CU, PB, NI AND ZN)in the surface sediments from a semi-enclosed intertidal water, the Johore Straits : monitoring data for future reference. Journal of Sustainability of Science and Management, 5 (2). pp. 44-57. ISSN 1985-3629

Yap, Chee Kong and Setapa, Mohd Ruszaidi and Cheng, W. H. and Tan, Soon Guan (2010) Heavy-metal concentrations in the mangrove snail, nerita lineata and surface sediments collected from Klang River Estuary, Selangor, Malaysia. Journal of Sustainability of Science and Management, 5 (1). pp. 1-12. ISSN 1823-8556

Edward Thomas, Franklin Berandah and Yap, Chee Kong and Tan, Soon Guan (2010) Interspecific variation of heavy metal concentrations in the different tissues of tropical intertidal gastropods from Malaysia. Toxicological & Environmental Chemistry, 92 (6). pp. 1121-1134. ISSN 0277–2248

Yap, Chee Kong (2010) Normalization of heavy metal concentrations of the tropical coastal surface sediments by using the metal geochemical resistant fraction. Malaysian Applied Biology Journal, 39 (2). pp. 47-50. ISSN 0126-8643

Yap, Chee Kong and Mashinshian, M. A. and Ismail, Ahmad and Zakaria, Mohamad Pauzi (2010) Relationships and comparative studies of heavy metals and organic PAH compounds in the soft tissues Perna viridis. Research Journal of Chemistry and Environment, 14 (1). pp. 56-61. ISSN 0972-0626; ESSN: 2278-4527

Yap, Chee Kong (2010) Relationships between biodiversity indices of macrobenthic invertebrates and some water chemical parameters in Semenyih River. Malaysian Applied Biology Journal, 39 (2). pp. 63-67. ISSN 0126-8643

Yap, Chee Kong and Edward Thomas, Franklin Berandah and Tan, Soon Guan (2010) Similarities and differences of metal distributions in the tissues of molluscs by using multivariate analyses. Environmental Monitoring and Assessment, 165 (1-4). pp. 39-53. ISSN 0167-6369; ESSN: 1573-2959

Shahbazi, Azadeh and Zakaria, Mohamad Pauzi and Yap, Chee Kong and Surif, Salmijah and Bakhtiari, Alireza Riyahi and Chandru, Kuhan and Bahry, Pourya Shahpoury and Sakari, Mahyar (2010) Spatial distribution and sources of polycyclic aromatic hydrocarbons (PAHs) in green mussels (Perna viridis) from coastal areas of Peninsular Malaysia: implications for source identification of perylene. International Journal of Environmental Analytical Chemistry, 90 (1). pp. 14-30. ISSN 0306-7319; ESSN: 1029-0397

Shahbazi, Azadeh and Zakaria, Mohammad Pauzi and Yap, Chee Kong and Surif, Salmijah and Mohamed, Che Abd Rahim and Sakari, Mahyar and Bakhtiari, Alireza Riyahi and Bahry, Pourya Shahpoury and Chandru, Kuhan and Mirsadeghia, Seideh Aghileh (2010) Use of different tissues of Perna viridis as biomonitors of polycyclic aromatic hydrocarbons (PAHs) in the coastal waters of Peninsular Malaysia. Environmental Forensics, 11 (3). pp. 248-263. ISSN 1527-5922; ESSN: 1527-5930

Ebrahim Saraee, Khadijeh Rezaee and Saion, Elias and Yap, Chee Kong and Abdi, Mohammad Reza and Alireza, Riyahi Bakhtiari (2010) Vertical distribution of heavy metals and enrichment in the South China Sea sediment cores. International Journal of Environmental Research, 4 (4). pp. 877-886. ISSN 1735-6865

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2010) A baseline study on mercury concentrations in the surface sediments of the Straits of Malacca collected during four sampling cruises conducted between 1998-200. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 12 (1). pp. 11-17. ISSN 0972-3005

Yap, Chee Kong and Mohd Khairul, I. M. H. (2010) A comparative study of heavy metal concentrations in the clam Corbicula javanica and surface sediments collected from clean and polluted sites of Langat River, Selangor. Malaysian Applied Biology Journal, 39 (2). pp. 57-61. ISSN 0126-8643

Yap, Chee Kong (2010) The gill of Perna viridis as a major route entry for Pb : a laboratory study. Malaysian Applied Biology Journal, 39 (2). pp. 15-18. ISSN 0126-8643

Yazdani, Mazyar and Yap, Chee Kong and Abdullah, Faridah and Tan, Soon Guan (2010) An in vitro study on the adsorption, absorption and uptake capacity of Zn by the bioremediator Trichoderma atroviride. Environment Asia, 3 (1). pp. 53-59. ISSN 1906-1714

Yap, Chee Kong and Edward Thomas, Franklin Berandah and Tan, Soon Guan (2010) The length of the crystalline style of Perna viridis in relation to shell length, shell width and shell height : data for future reference. Journal of Sustainability of Science and Management, 5 (1). pp. 39-46. ISSN 1823-8556

Yap, Chee Kong and Edward Thomas, Franklin Berandah (2010) A preliminary study on the use of gastropod-sediment accumulation factors (GSAFs) to identify gastropods as potential biomonitors of heavy metals contamination. Malaysian Applied Biology, 39 (2). pp. 1-6. ISSN 0126-8643

R.M., Lomoljo and Ismail, Ahmad and Yap, Chee Kong and Ismail, Abdul Rahim (2010) The status of heavy metal levels in a Ramsar Site, Kuala Gula Bird Sanctuary: the impact of the anthropogenic inputs. Toxicological & Environmental Chemistry, 92 (10). pp. 1953-1963. ISSN 0277-2248

Lomoljo, Romeo M. and Ismail, Ahmad and Yap, Chee Kong and Ismail, Abdul Rahim (2010) The status of migratory shorebirds diversity in ramsar site during southward and northward migration in Kuala Gula Birds Sanctuary. Stilt, 58. pp. 51-56. ISSN 0726-1888

Yap, Chee Kong and Che Mohd Zaidi, and Edward, Franklin Berandah and Ismail, Ahmad and Tan, Soon Guan (2009) Ni, Pb and Zn concentrations in the green-lipped mussel, Perna viridis collected from the northern coastal waters of Peninsular Malaysia. Journal of Sustainability of Science and Management, 4 (1). pp. 10-19. ISSN 1823-8556

Yap, Chee Kong (2009) Acceptance and rejection of peer-reviewed articles in environmental SCI: my personal publication experience. Pertanika Journal of Tropical Agricultural Science, 32 (1). 25 - 27. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong and Cheng, Wan Hee and Ismail, Ahmad and Ismail, Abdul Rahim and Tan, Soon Guan (2009) Biomonitoring of heavy metal (Cd, Cu, Pb, and Zn) concentrations in the west intertidal area of Peninsular Malaysia by using Nerita lineata. Toxicological & Environmental Chemistry, 91 (1). pp. 29-41. ISSN 0277–2248

Yap, Chee Kong and Arifin, Noorhaidah and A., Azlan and Abd Aziz, Nor Azwady and A., Ismail and Ismail, Abdul Rahim and Siraj, Siti Shapor and Tan, Soon Guan (2009) Telescopium telescopium as potential biomonitors of Cu, Zn, and Pb for the tropical intertidal area. Ecotoxicology and Environmental Safety, 72 (2). pp. 496-506. ISSN 0147-6513; ESSN: 1090-2414

Amin, Bintal and Ismail, Ahmad and Arshad, Aziz and Yap, Chee Kong and Kamarudin, Mohd Salleh (2009) Anthropogenic impacts on heavy metal concentrations in the coastal sediments of Dumai, Indonesia. Environmental Monitoring and Assessment, 148 (1-4). pp. 291-305. ISSN 0167-6369; ESSN: 1573-2959

Yoke, Elsie Sim Yee and Zahari, Zainal and Ismail, Ahmad and Yap, Chee Kong and Tan, Soon Guan (2009) A simple protocol to isolate DNA from Malaysian stork blood collected on FTA cards. Genetik, 14 (1). pp. 20-22. ISSN 0435-284X

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2009) Can the tolerance of aerial exposure of the green-lipped mussel Perna viridis (L.) as a potential biomonitoring tool to assess Cd and Cu contamination? A laboratory study. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 11 (2). pp. 263-268. ISSN 0972-3005

Yap, Chee Kong and Edward Thomas, Franklin Berandah (2009) The Different Capability Of Metal Uptake In The Shell Of Perna Viridis Compared To The Different Soft Tissues: A Statistical Approach. Journal of Sustainability of Science and Management, 4 (1). pp. 38-48. ISSN E-ISSN: 1823-8556, Print ISSN: 1823-8556

Yap, Chee Kong and Ismail, Ahmad and Ali, Jambari and Tan, Soon Guan and Edward Thomas, Franklin Berandah and Huan, Pang (2009) Distribution of heavy metal concentrations in the different soft tissues of the freshwater snail Pomacea insularum (DOrbigny, 1839; Gastropoda), and sediments collected from polluted and unpolluted sites from Malaysia. Toxicological & Environmental Chemistry, 91 (1). pp. 17-27. ISSN 0277–2248

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2009) Effect of body size on heavy metal contents and concentrations in green-lipped mussel Perna viridis (Linnaeus) from Malaysian coastal waters. Pertanika Journal of Science & Technology, 17 (1). 61 - 68. ISSN 0128-7680; ESSN: 2231-8526

Amin, Bintal and Ismail, Ahmad and Arshad, Aziz and Yap, Chee Kong and Kamarudin, Mohd Salleh (2009) Gastropod assemblages as indicators of sediment metal contamination in mangroves of Dumai, Sumatra, Indonesia. Water, Air and Soil Pollution, 201 (1-4). pp. 9-18. ISSN 0049-6979; ESSN: 1573-2932

Ong, C.C. and Yusoff, Khatijah and Yap, Chee Kong and Tan, Soon Guan (2009) Genetic characterization of perna viridis L. in peninsular Malaysia using microsatellite markers. Journal of Genetics, 88 (2). pp. 153-163. ISSN 0022-1333

Yap, Chee Kong and A., Mohd Azri (2009) Heavy metal concentration (Cd, Cu, Fe, Ni, Pb and Zn) in clam, Polymesoda erosa collected from intertidal area of Tok Bali and Kuala Kemasin, Kelantan. Malaysian Applied Biology Journal, 38 (1). pp. 81-84. ISSN 0126-8643

Yap, Chee Kong and Ahmad, Kamarul Arifin and Edward Thomas, Franklin Berandah (2009) Heavy metal concentrations (CD, CU, NI, PB, FE AND ZN)in the different soft tissues and shells of pholas orientalis collected from Sekinchan and Pantai Remis, Selangor. Malaysian Applied Biology Journal, 38 (1). pp. 21-27. ISSN 0126-8643

Yap, Chee Kong and Edward Thomas, Franklin Berandah (2009) Heavy metal concentrations in the different tissues of Chicoreus capucinus : the significance as a biomonitor. Malaysian Applied Biology Journal, 38 (2). pp. 17-21. ISSN 0126-8643

Yap, Chee Kong and Deezairi, A. D. and Edward Thomas, Franklin Berandah and Tan, Soon Guan (2009) Heavy metal concentrations in the horse shoe crab, tachypleus gigas and sediment collected from Sg. Rambah, Western Johore, Peninsular Malaysia. Malaysian Fisheries Journal, 8 (1). pp. 1-6. ISSN 1511-7286

Yap, Chee Kong and Razeff, S. M. R. and Edward Thomas, Franklin Berandah and Tan, Soon Guan (2009) Heavy metal concentrations(CU, FE, NI AND ZN) in the clam, Glauconome virens, collected from the northern intertidal areas of Peninsular Malaysia. Malaysian Applied Biology, 38 (1). pp. 29-35. ISSN 0126-8643

Edward, Franklin Berandah and Yap, Chee Kong (2009) Heavy metal distribution in the different parts of Cerithidea obtusa by using multivariate analysis. Malaysian Journal of Science, 28 (1). pp. 33-38. ISSN 0126-7906

Edward Thomas, Franklin Berandah and Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2009) Interspecific variation of heavy metal concentrations in the different parts of tropical intertidal bivalves. Water, Air and Soil Pollution, 196 (1-4). pp. 297-309. ISSN 0049-6979

R.M., Lomoljo and Ismail, Ahmad and Yap, Chee Kong (2009) Nitrate, ammonia and phosphate concentrations in the surface water of Kuala Gula Bird Sanctuary, West. Coast of Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 32 (1). 1 -5. ISSN 1511-3701

Yap, Chee Kong and K.L., Yeow and F. B., Edward and Tan, Soon Guan (2009) Revealing copper contamination at the Penang industrial area by using Malaysian mussel watch approach. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 11 (4). pp. 683-689. ISSN 0972-3005

Yazdani, Mazyar and Yap, Chee Kong and Abdullah, Faridah and Tan, Soon Guan (2009) Trichoderma atroviride as a bioremediator of Cu pollution: an in vitro study. Toxicological & Environmental Chemistry, 91 (7). pp. 1305-1314. ISSN 0277–2248 ; ESSN: 1029–0486

Yap, Chee Kong and Edward Thomas, Franklin Berandah and Pang, Bin Huan (2009) A comparative study of distribution of heavy metal concentrations in the Pomacea insularum collected from polluted and unpolluted sites of the freshwater ecosystem in Malaysia. Wetland Science, 7 (1). pp. 75-82. ISSN 1672-5948

Yap, Chee Kong (2009) An ecological viewpoint on the variations of water temperature, salinity, conductivity, pH and dissolved oxygen during a 45-minute tidal outflow at a small tropical estuary. Research Journal of Chemistry and Environment, 13 (2). pp. 86-92. ISSN 0972-0626; ESSN: 2278-4527

Yap, Chee Kong and M., Yazdani and Tan, Soon Guan (2009) The identification of point sources in a river receiving industrial metal effluents at the Serdang industrial area, Selangor. Journal of Sustainability of Science and Management, 4 (2). pp. 18-26. ISSN 1823-8556

Yap, Chee Kong and Setapa, Mohd Ruszaidi and Tan, Soon Guan (2009) A preliminary study on heavy metal concentrations in the barnacle Balanus sp. from the Penang Bridge and Semilang River, Malaysia collected. Malaysian Applied Biology Journal, 38 (1). pp. 65-70. ISSN 0126-8643

Yap, Chee Kong and Ismail, Ahmad and Koyama, Jiro and Tan, Soon Guan (2009) A preliminary study on the concentrations of Cu and Zn in Java medaka Oryzias javanicus and sediments collected from some estuaries in the West Coast of Peninsular Malaysia. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 11 (2). pp. 241-246. ISSN 0972-3005

Yap, Chee Kong and Cheng, Wan Hee and Tan, Soon Guan (2008) Comparative studies of concentrations of Cu and Zn in the surface intertidal sediments collected from east, south and west coasts of Peninsular Malaysia. Asian Journal of Water, Environment and Pollution, 5 (2). pp. 23-29. ISSN 0972-9860; ESSN: 1875-8568

Yap, Chee Kong and Yusoff, Hatta and Edward, Franklin Berandah and Tan, Soon Guan (2008) Comparison of heavy metal concentrations (Cd, Cu, Fe, Ni and Zn) in the shells and different soft tissues of Anadara granosa collected from Jeram, Kuala Juru and Kuala Kurau, Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 31 (2). pp. 205-215. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong and M. S. Fairuz, and Yeow, K. L. and M. Y. Hatta, and Ismail, Ahmad and Ismail, Abdul Rahim and Tan, Soon Guan (2008) Dissolved heavy metals and water quality in the surface waters of rivers and drainages of the West Peninsular Malaysia. Asian Journal of Water, Environment and Pollution, 6 (3). pp. 51-59. ISSN 0972-9860; ESSN: 1875-8568

Amin, Bintal and Ismail, Ahmad and Yap, Chee Kong (2008) Distribution and speciation of Zn and Pb in coastal sediments of Dumai Sumatera, Indonesia. Toxicological and Environmental Chemistry, 90 (3). pp. 609-623. ISSN 0277-2248; ESSN: 1029-0486

Yap, Chee Kong and Supian, Mohd Fairuz and Cheng, Wan Hee and Tan, Soon Guan (2008) Distribution of Ni and Zn in the surface sediments collected from drainages and intertidal areas in Selangor. Pertanika Journal of Tropical Agricultural Science, 31 (1). pp. 79-90. ISSN 1511-3701; ESSN: 2231-8542

Yap, Chee Kong and Hatta, Y. and Edward, Franklin Berandah and Tan, Soon Guan (2008) Distribution of heavy metal concentrations (Cd, Cu, Ni, Fe And Zn) in the different soft tissues and shells of wild mussels Perna viridis collected from Bagan Tiang and Kuala Kedah. Malaysian Applied Biology Journal, 37 (2). pp. 1-10. ISSN 0126-8643

Ong, Chin Chin and Teh, Chee Hoong and Tan, Soon Guan and Yusoff, Khatijah and Yap, Chee Kong (2008) Eleven novel polymorphic microsatellite DNA markers from the green-lipped mussel, Perna viridis. Russian Journal of Genetics , 44 (4). pp. 498-500. ISSN 1022-7954; ESSN: 1608-3369

Ong, C. C. and Teh, C. H. and Tan, Soon Guan and Yusoff, Khatijah and Yap, Chee Kong (2008) Eleven novel polymorphic microsatellite DNA markers from the green-lipped mussel, Perna viridis. Russian Journal of Genetics, 44 (4). pp. 498-500. ISSN 1022-7954

Yap, Chee Kong and Ismail, Ahmad (2008) Heavy metal (Cd, Cu, Pb and Zn) concentrations in the suspended particulate matter of the public water supply. Malaysian Applied Biology, 37 (1). pp. 69-73. ISSN 0126-8643

Yap, Chee Kong and Tan, Soon Guan (2008) Heavy metal pollution in the Juru river basin receiving industrial effluents : the need for biochemical and molecular studies in the edible cockles Anadara granosa. Malaysian Applied Biology Journal, 37 (2). pp. 63-68. ISSN 0126-8643

Yap, Chee Kong (2008) High concentrations of Cu and Zn in the surface sediments are not necessarily related to high total organic matter in the sediments: an evidence of the metal data in the ignited sediments of the intertidal and drainage areas. Malaysian Applied Biology, 37 (2). pp. 57-61. ISSN 0126-8643

Yap, Chee Kong and Fairuz, M. S. and Cheng, Wan Hee (2008) How elevated levels of Cd, Cu and Pb in the surface sediments collected from the drainage receiving metal industrial effluents? Comparison with metal industrial drainage and intertidal sediments in Selangor, Malaysia. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 10 (2). pp. 385-391. ISSN 0972-3005

Yap, Chee Kong and A., Mohd Hafetz and Tan, Soon Guan (2008) The concentrations of heavy metals in different tissues of horseshoe crabs collected from intertidal areas of Johor, Peninsular Malaysia. Malaysian Applied Biology, 37 (2). pp. 35-40. ISSN 0126-8643

Yap, Chee Kong and Tan, Soon Guan (2007) Changes of Allozymes (GOT, EST and ME) of Perna viridis Subjected to Zinc Stress: A Laboratory Study. Journal of Applied Sciences, 7 (20). pp. 3111-3114. ISSN 1812-5654

Yap, Chee Kong and Edward Thomas, Franklin Berandah and Tan, Soon Guan (2007) Determination of Heavy Metal Distributions in the Green-Lipped Mussel Perna viridis as Bioindicators of Heavy Metal Contamination in the Johore Straits and Senggarang, Peninsular Malaysia. Trends in Applied Sciences Research, 2 (4). pp. 284-294. ISSN 1819-3579

Yap, Chee Kong and Pang, Bin Huan and Supian, Mohd Fairuz and Hoo, Yoong Inn and Tan, Soon Guan (2007) Heavy metal pollution in surface sediments collected from drainages receiving different anthropogenic sources from Peninsular Malaysia. Wetland Science, 5 (2). pp. 97-104. ISSN 1672-5948

Yap, Chee Kong and Tan, Soon Guan (2007) Iron (Fe) concentrations in the byssus and soft tissues of the green-lipped mussel Perna viridis (L.): Byssus as an excretion route of Fe and Fe bioavailability in the coastal waters. Indian Journal of Marine Sciences, 36 (3). pp. 227-234. ISSN 0379-5136

Yap, Chee Kong and Chua, B. H. and Teh, C. H. and Tan, Soon Guan and Ismail, Ahmad (2007) Patterns of RAPD markers and heavy metal concentrations in Perna viridis (L.), collected from metal-contaminated and uncontaminated coastal waters: Are they correlated with each other? Russian Journal of Genetics, 43 (5). pp. 544-550. ISSN 1022-7954 (Print) 1608-3369 (Online)

Al Barwani, Said Mohamed and Arshad, Aziz and Nurul Amin, Sanker Mohammad and Bujang, Japar Sidik and Siraj, Siti Shapor and Yap, Chee Kong (2007) Population dynamics of the green mussel Perna viridis from the high spat-fall coastal water of Malacca, Peninsular Malaysia. Fisheries Research, 84 (2). pp. 147-152. ISSN 0165-7836

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan and Omar, Hishamuddin and J., Koyama (2007) Tolerance of high inorganic mercury of perna viridis: laboratory studies of its accumulation, depuration and distribution. Journal of Applied Sciences and Environmental Management, 11 (3). 119 - 125. ISSN 1119-8362

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan and Abdul Rahim, Ismail (2007) The distribution of the Heavy Metals (Cu, Pb and Zn) in the Soft and Hard Tissues of the Green-Lipped Mussel Perna viridis (Linnaeus) Collected from Pasir Panjang, Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 30 (1). pp. 1-10. ISSN 1511-3701

Yap, Chee Kong and Ahmad, Ismail and Cheng, Wan Hee and Tan, Soon Guan (2006) Crystalline style and tissue redistribution in Perna viridis as indicators of Cu and Pb bioavailabilities and contamination in coastal waters. Ecotoxicology and Environmental Safety, 63. pp. 413-423. ISSN 0147-6513

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan and Ismail, A. Rahim (2006) Is gender a factor contributing to the natural variations in the accumulation of heavy metals (Cd, Cu, Pb and Zn) by the green-lipped mussel Perna viridis ? Indian Journal of Marine Sciences, 35 (1). pp. 29-35. ISSN 0379-5136

Choh, M. S. and Yap, Chee Kong and Tan, Soon Guan and Ali, Jambari (2006) Morphological and allozyme studies of small terrestrial snails( Opeas sp., Subulina sp., and Huttonella bicolor) collected from Peninsular Malaysia. Russian Journal of Genetics, 42 (1). pp. 40-48. ISSN 1022-7954

Koyama, Jiro and Imai, Shoko and Fujii, Kazunori and Kawai , Shin-ichiro and Yap, Chee Kong and Ismail, Ahmad (2006) Pollution by estrogens in river and estuarine waters around Kuala Lumpur, Malaysia, and their effects on the estuarine Java-medaka, Oryzias javanicus. Japanese Journal of Environmental Toxicology, 9 (2). pp. 141-147. ISSN 1882-5958

Yap, Chee Kong and Ahmad, Ismail and Tan, Soon Guan (2005) Byssus of the green-lipped mussel Perna viridis (Linnaeus) as a biomonitoring material for Zn. Russian Journal of Marine Biology, 31 (2). pp. 102-108. ISSN 1063-0740

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2005) Cadmium, Copper, Lead and Zinc Levels in the green-lipped Mussel Perna viridis (L.) from the West Coast of Peninsular Malaysia: Safe as Food? Pertanika Journal of Tropical Agricultural Science, 28 (1). pp. 41-47. ISSN 1511-3701

Ong, Lily Chin Chin and Tan, Soon Guan and Yusoff, Khatijah and Yap, Chee Kong (2005) Isolation of DNA Microsatellite Markers in the Green-lipped Mussel, Perna viridis. Pertanika Journal of Tropical Agricultural Science, 28 (1). pp. 79-85. ISSN 1511-3701

Yap, Chee Kong and Cheng, Wan Hee and Ismail, Ahmad and Tan, Soon Guan (2005) Tissue distribution of heavy metals (Cd, Cu, Pb and Zn) in the greenlipped mussel perna viridis from Nenasi and Kuala Pontian, East Coast of Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 28 (1). pp. 13-22. ISSN 1511-3701

Yap, Chee Kong and Tan, Soon Guan and Ismail, Ahmad and Omar, Husaini (2004) Allozyme polymorphisms and heavy metal levels in the green-lipped mussel Perna viridis (Linnaeus) collected from contaminated and uncontaminated sites in Malaysia. Environment International, 30 (1). pp. 39-46. ISSN 0160-4120; ESSN: 1873-6750

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2004) Heavy metal (Cd, Cu, Pb and Zn) concentrations in the green-lipped mussel Perna viridis (Linnaeus) collected from some wild and aquacultural sites in the west coast of Peninsular Malaysia. Food Chemistry, 84 (4). pp. 569-575. ISSN 0308-8146

Yap, Chee Kong and Tan, Soon Guan and Ismail, Ahmad and Omar, Husaini (2004) Allozyme polymorphisms and heavy metal levels in the green-lipped mussel Perna viridis (Linnaeus) collected from contaminated and uncontaminated sites in Malaysia. Environment International, 30 (1). pp. 39-46. ISSN 0160-4120

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2004) Biomonitoring of heavy metals in the west coastal waters of Peninsular Malaysia using the green-lipped mussel perna viridis: Present status and what next? Pertanika Journal of Tropical Agricultural Science, 27 (2). pp. 151-161. ISSN 1511-3701

Yap, Chee Kong and Ahmad, Ismail and Tan, Soon Guan (2004) Heavy metal (Cd, Cu, Pb and Zn) concentrations in the green-lipped mussel Perna viridis (Linnaeus) collected from some wild and aquacultural sites in the west coast of Peninsular Malaysia. Food Chemistry, 84. pp. 569-575. ISSN 0308-8146

Yap, Chee Kong and Ismail, Ahmad and Omar, Husaini and Tan, Soon Guan (2004) Toxicities and tolerances of Cd, Cu, Pb and Zn in a primary producer (Isochrysis galbana) and in a primary consumer (Perna viridis). Environment International, 29 (8). 1097 -1104. ISSN 0160-4120

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan and A., Rahim Ismail (2004) The impact of anthropogenic activities on heavy metal (Cd, Cu, Ph and Zn) pollution: Comparison of the metal levels in the green-lipped mussel perna viridis (Linnaeus) and in the sediment from a high activity site at Kg. Pasir Puteh and a relatively low activity site at Pasir Panjang. Pertanika Journal of Tropical Agricultural Science, 27 (1). pp. 73-78. ISSN 1511-3701

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan (2003) Cd and Zn concentrations in the straits of Malacca and intertidal sediments of the west coast of Peninsular Malaysia. Marine Pollution Bulletin, 46 (10). pp. 1349-1353. ISSN 0025-326X

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan and Ismail, Abdul Rahim (2003) Can the shell of the green-lipped mussel Perna viridis from the west coast of Peninsular Malaysia be a potential biomonitoring material for Cd, Pb and Zn? Estuarine, Coastal and Shelf Science, 57 (4). pp. 623-630. ISSN 0272-7714; ESSN: 1096-0015

Rezai, H. and Md. Yusoff, Fatimah and Yap, Chee Kong (2003) Mercury in zooplankton from the Malacca Straits. Indian Journal of Marine Sciences, 32 (3). pp. 240-243. ISSN 0379-5136

Yap, Chee Kong and Ismail, A. Rahim and Ismail, Ahmad and Tan, Soon Guan (2003) Species diversity of macrobenthic invertebrates in the Semenyih River, Selangor, Peninsular Malaysia. Pertanika Journal of Tropical Agricultural Science, 26 (2). pp. 139-146. ISSN 1511-3701

Yap, Chee Kong and Ismail, Abdul Rahim and Ismail, Ahmad and Tan, Soon Guan (2003) Studies on Heavy Metal Accumulations in Green-Lipped Mussel Perna viridis from Malaysia by Using Multiple Linear Stepwise Regression Analysis. Pertanika Journal of Science & Technology, 11 (1). pp. 43-55. ISSN 0128-7680

Yap, Chee Kong and Ismail, Ahmad and Tan, Soon Guan and Omar, Hishamuddin (2002) Correlations between speciation of Cd, Cu, Pb and Zn in sediment and their concentrations in total soft tissue of green-lipped mussel Perna viridis from the west coast of Peninsular Malaysia. Environment International, 28 (1-2). pp. 117-126. ISSN 0160-4120; ESSN: 1873-6750

Book

Yap, Chee Kong (2012) Mussel watch in Malaysia : past, present and future. Universiti Putra Malaysia Press, Serdang,Selangor. ISBN 9789673442645

Book Section

Yap, Chee Kong and Tan, Soon Guan and Cheng, Wan Hee (2008) Comparative studies of concentrations of Cu and Zn in the surface intertidal sediments collected from east, south and west coasts of Peninsular Malaysia. In: Coastal Environments: Focus on Asian Regions. Springer, Netherlands, pp. 130-143. ISBN 9789048130016; ESBN: 9789048130023

Conference or Workshop Item

Yap, Chee Kong and Cheng, Wan Hee (2013) Heavy metals in marine mussels and mangrove snails: are the molluscs meals safe as poultry feeds too? In: World’s Poultry Science Association (Malaysia Branch) and World Veterinary Poultry Association (Malaysia Branch) Scientific Conference 2013, 30 Nov.-1 Dec. 2013, Faculty of Veterinary Medicine, Universiti Putra Malaysia. (pp. 78-80).

Yap, Chee Kong and Chew, Weiyun (2013) The invasive weed, Asystasia gangetica as a biomonitor of heavy metal bioavailability and pollution. In: International Conference on Environmental Forensics 2013, 11-14 Nov. 2013, Marriot Hotel, Putrajaya, Malaysia. (pp. 519-523).

Yap, Chee Kong and Chong, Chou Min and Tan, Soon Guan (2009) Allozyme polymorphism in the horseshoe crabs Carcinoscorpius rotundicauda collected from polluted intertidal area in Peninsular Malaysia. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 35-36).

Yap, Chee Kong and Chew, Wei Yun and Tan, Soon Guan (2009) Distribution of Zn in the different parts of Tachypeus gigas. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 33-34).

Cheng, Wan Hee and Yap, Chee Kong and Ismail, Ahmad and Ismail, Abdul Rahim and Tan, Soon Guan (2009) Heavy metal (Cd, Cu, Pb, and Zn) concentrations in the shells of Nerita lineata collected from the west intertidal area of Peninsular Malaysia. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 31-32).

R. M., Lomoljo and Ahmad, Ismail and Yap, Chee Kong and A., Rahim Ismail (2009) Heavy metal accumulation in the organs of the little heron (Butorides striatus) and spotted redshank (Tringa erythropus) collected dead in Kuala Gula Bird Sanctuary Perak, West Coast of Peninsular Malaysi. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 52-53).

Yap, Chee Kong and Ng, Yew Jing and Edward, Franklin Berandah and Ismail, Ahmad (2009) Heavy metal concentrations in the male and female of Perna viridis collected from Kampung Pasir Puteh and Sungai Semerak. In: Fundamental Science Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 65-66).

Edward, Franklin Berandah and Yap, Chee Kong and Tan, Soon Guan (2009) Interpretation of metal distributions in the tissues of molluscs by using cluster. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 39-41).

Iskandar, Nur Liyana and Abdullah, Faridah and Yusof, Nor Azah and Yap, Chee Kong (2009) Uptake of copper (Cu) by two species of Trichoderma isolated from contaminated sediment. In: Fundamental Science Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 71-72).

Yusoff, Mohd Hatta and Yap, Chee Kong and Tan, Soon Guan (2009) The study of genetic structure of the green-lipped mussel, Perna viridis collected from polluted and unpolluted sites in Peninsular Malaysia using microsatellite markers. In: Fundamental Science Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 59-60).

Thesis

Yap, Chee Kong (2003) Assessment of Green-Lipped Mussel Perna Viridis (Linnaeus) As a Biomonitoring Agent of Cadmium, Copper, Mercury, Lead and Zinc for the West Coast of Peninsular Malaysia. ["eprint_fieldopt_thesis_type_phd" not defined] thesis, Universiti Putra Malaysia.

Yap, Chee Kong (1999) Accumulation and Distribution of Heavy Metals in Green-Lipped Mussel Perna Viridis (Linnaeus) from the West Coast of Peninsular Malaysia. Masters thesis, Universiti Putra Malaysia.

This list was generated on Sat Feb 22 23:33:39 2020 UTC.