@Research Paper <#LINE#>Synthesis, characterization and thermal studies of mixed ligand mercury(II) complexes of N-hydroxymethylsaccharin (Sac-CH2OH) and phosphine or heterocyclic amine co-ligands<#LINE#>Al-Jibori@Subhi A. ,Barbooti@Mahmood M. ,Al-Janabi@Ahmed S.M. ,Ali@A.H. ,Sami@N.,Aziz@Bakhtyar K. ,Basak-Modi@S. <#LINE#>1-9<#LINE#>1.ISCA-RJCS-2017-061.pdf<#LINE#>Chemistry Dept., College of Science, TikritUniversity, Tikrit, Iraq@Dept. Applied Science, University of Technology, P.O. Box 35045, Baghdad, Iraq@Dept Biochemistry, College of Veterinary Medicine, Tikrit University, Tikrit, Iraq@Dept. Chemistry, College of Education, Ibnul-Haytham, University of Baghdad, Baghdad, Iraq@Chemistry Dept., College of Science, TikritUniversity, Tikrit, Iraq@Chemistry Department, University of Sulaimani, Sulaimani, Iraq@Chemistry Dept., University College London, London WC1H 0AJ, UK<#LINE#>1/5/2017<#LINE#>5/9/2017<#LINE#>Reaction of mercury(II) acetate Hg(Ac)2 with two equivalents of N-hydroxymethylsaccharin (Sac-CH2OH) in the presence of NEt3 afforded the presumably tetrahedral complex [Hg(K2-Sac-CH2O)2] (1). Reaction of (1) with one equivalent of the bidentate ligands (L-L); Ph2P(CH2)nPPh2, (n=1 dppm; 2 dppe; 3 dppp; 4 dppb), Ph2P(S)(CH2)P(S)Ph2 (dppmS2) Ph2P(O)CH2CH2P (O)Ph2 (dppeO2), bipyridine (bipy) and phenanthroline (phen) afforded tetrahedral complexes of the type [Hg(K1-Sac-CH2O)2(L-L)]. The reaction with two equivalents of the monodentate ligands (L); Ph3P, Ph3PO, Ph3PS or pyridine (py) gave [Hg(K1-Sac-CH2O)2L2]. The N-hydroxymethylsaccharinate anion acts as a monodentate ligand to the mercury center through the hydroxymethyl oxygen atom. The complexes were characterized by physico-chemical and spectroscopic methods. The thermal decomposition of six of the prepared complexes were studied using thermogravimetry (TG) and differential thermal analysis (DTA). [Hg(K1-Sac-CH2O)2(bipy)] showed a higher thermal stability.<#LINE#>Baran E.J. and Yilmaz V.T. (2006).@Metal complexes of saccharin.@Coord. Chem. Rev., 250, 1980-1999.@Yes$Cotton F.A., Falvello L.R., Llusar R., Libby E., Murillo C.A. and Schwotzer W. (1986).@Synthesis and characterization of four vanadium(II) compounds, including vanadium(II) sulfate hexahydrate and vanadium(II) saccharinates.@Inorg. Chem., 25(19), 3423-3428.@Yes$Cotton F.A., Libby E., Murillo C.A., Valle G., Bakir M., Derringer D.R. and Walton R.A. (1990).@Relatively Air‐Stable M (II) saccharinates, M= V, or Cr. Inorganic Syntheses.@27, 306-310.@Yes$Cotton F.A., Lewis G.E., Murillo C.A., Schwotzer W. and Valle G. (1984).@Comparative study of structures, including Jahn-Teller effects, in the saccharinate complexes, [M (C7H4NO3S) 2(H2O)4]. 2H2O, of chromium and zinc, as well as other divalent metal ions.@Inorganic Chemistry, 23(24), 4038-4041.@Yes$Cotton F.A., Falvello L.R., Murillo C.A. and Valle G. (1986).@Single crystal x‐ray study of solid solutions of a Jahn‐Teller compound in an undistorted host: The Cr, Zn Saccharinate Hexahydrate System.@Zeitschrift für anorganische und allgemeine Chemie, 540(9‐10), 67-79.@Yes$Kamenar B. and Jovanovski G. (1982).@Manganese (Ii) Saccharinate Hexahydrate, Mn (C7h4no3s) 2.6 H2O, and isomorphism with the Analogous Fe, Co, Ni, Zn and Cd Complexes.@crystal structure communications, 11(1), 257-261.@Yes$Haider S.Z., Malik K.M.A., Ahmed K.J., Kauffman G.B. and Karbassi M. (1985).@Metal complexes of saccharin.@Inorganic Syntheses, 23, 47-51.@Yes$Ahmed K.J., Habib A., Haider S.Z., Malik K.A. and Hurthouse M.B. (1981).@The preparatation and x-ray crystal structure of a saccharin complex of copper (II).@Inorganica Chimica Acta, 56, L37.@Yes$Haider S.Z., Malik K.M.A., Das S. and Hursthouse M.B. (1984).@zinc (II) dihydrate, [Zn(C7H4NO3S) 2(H2O)4]. 2H2O, and tetraaquabis (saccharinato-N) cadmium (II) dihydrate,[Cd (C7H4NO3S) 2(H2O)4]. 2H2O.@Acta Crystallogr C, 40, 1147-1150.@Yes$Kamenar B., Jovanovski G. and Grdenic D. (1982).@Mercury (II) Saccharinate, Hg (C7H4NO3S) 2.@Crystal Structure Communications, 11(1), 263-268.@Yes$Jovanovski G., Kamenar B., Ferguson G. and Kaitner B. (1988).@Structure of chloromercury (II) saccharinate.@Acta Crystallographica Section C: Crystal Structure Communications, 44(4), 616-618.@Yes$Deng R.M., Dillon K.B., Goeta A.E., Mapolelo M. and Shepherd H.J. (2009).@The synthesis, crystal and molecular structures of two saccharinate–metal complexes with dipyridylamine (dipyr) as a co-ligand.@Inorganica Chimica Acta, 362(14), 5109-5112.@Yes$Hergold-Brundić A., Kamenar B. and Jovanovski G. (1989).@Structure of the 1: 1 complex of mercury (II) saccharinate with 2, 2@Acta Crystallographica Section C: Crystal Structure Communications, 45(4), 556-558.@Yes$Grupče O., Jovanovski G., Kaitner B. and Naumov P. (1999).@Structural Investigation of Di-μ-chloro-bis [saccharinatopyridinemercury (II)] by X-ray Diffraction and FT IR Spectroscopy.@Croatica chemica acta, 72(2-3), 465-476.@Yes$Topcu Y., Andac O., Yilmaz V.T. and Harrison W.T.A. (2002).@Synthesis and Structure of Trans‐bis (ethanolamine) bis (saccharinato) mercury (II).@Crystal Research and Technology, 37(5), 509-513.@Yes$Yilmaz V.T., Hamamci S. and Thöne C. (2002).@Synthesis, Crystal and Molecular Structure of 2‐Pyridylethanolbis (saccharinato) mercury (II).@Crystal Research and Technology, 37(10), 1143-1148.@Yes$Yilmaz V.T., Caglar S. and Harrison W.T. (2004).@Synthesis, IR Spectra, Thermal Analysis and Crystal Structures of Bis (saccharinato) mercury (II) Complexes with 2–Aminomethylpyridine and 2–Aminoethylpyridine.@ZAAC, 630(10), 1512-1516.@Yes$Andac O., Topcu Y., Yilmaz V.T. and Guven K. (2001).@Bis (triethanolamine) cadmium (II) and-mercury (II) saccharinates: seven-coordinate complexes containing both tri-and tetradentate triethanolamine ligands.@Acta Crystallographica Section C: Crystal Structure Communications, 57(12), 1381-1384.@Yes$Yilmaz V.T., Kars V. and Kazak C. (2006).@Synthesis and Characterization of Cadmium and Mercury Saccharinate Complexes with 2-Dimethylaminoethanol: cis-[Cd (sac) 2 (dmea) 2] and [Hg (sac) 2 (dmea)(H2O)].@Zeitschrift für Naturforschung B, 61(5), 555-559.@Yes$D’Ascenzio M., Carradori S., De Monte C., Secci D., Ceruso M. and Supuran C.T. (2014).@Design, synthesis and evaluation of N-substituted saccharin derivatives as selective inhibitors of tumor-associated carbonic anhydrase XII.@Bioorganic & medicinal chemistry, 22(6), 1821-1831.@Yes$Al-Jibori S.A., Afandi Z.S., Merzweiler K., Wagner C., Schmidt H., Basak-Modi S. and Hogarth G. (2014).@Mercury (II) saccharinate (sac) complexes: Synthesis and molecular structures of [Hg (sac) 2 (2-ampy) 2],[Hg (sac) 2 (2-ampy)(MeOH)],[Hg (sac) 2 (2-abt)(MeOH)],[Hg (sac) 2 (2-abt)(dmso)](2-ampy= 2-aminopyridine, 2-abt= 2-aminobenzothiazole).@Polyhedron, 81, 442-449.@Yes$Al-Jibori S.A., Al-Janabi A.S., Basak-Modi S., Mohamed S.S. and Schmidt H. (2015).@Mixed ligand palladium (II) complexes of N-hydroxy-methylsaccharin (Sac-CH2OH): synthesis, characterization and biological studies.@Transition Metal Chemistry, 40(8), 917-921.@Yes$Al-Janabi A.S., Abdullah B.H. and Al-Jibori S.A. (2009).@Synthesis, crystal structure and spectral studies of mercury (II) complexes containing the mixed ligands benz-1, 3-imidazoline-2-thione, benz-1, 3-oxazoline-2-thione, benz-1, 3-thiazoline-2-thione, and diphosphine.@Oriental Journal of Chemistry, 25(2), 277.@Yes$Ranjbar M., Malakooti E. and Sheshmani S. (2013).@Synthesis and Characterization of Mercury(II) Complexes Containing 2,9-Dimethyl-1,10-phenanthroline by Sonochemical Method.@J. Chem., 6. Article ID 560983.http://dx.doi.org/10.1155/2013/560983@No$Wu S., Uddin M.A., Nagano S., Ozaki M. and Sasaoka E. (2010).@Fundamental study on decomposition characteristics of mercury compounds over solid powder by temperature-programmed decomposition desorption mass spectrometry.@Energy & Fuels, 25(1), 144-153.@Yes$Jasim F. and Barbooti M.M. (1990).@Thermoanalytical behaviour of nitrosodicyanmethanide tetrapyridinium complexes of MnII, CuII and ZnII.@Thermochimica acta, 158(1), 47-51.@Yes$Leckeyand J.H. and Nulf I.E. (1994).@Oak Ridge Y-12 Plant, Martin Marietta Energy Systems.@Inc. For The U.S. Dept. Energy, contract DE-ACOS-84OR21400@No$Biscarini P., Fusina L. and Nivellini G.D. (1972).@Thermal decomposition of di-t-butyl sulphide–mercury (II) chloride.@Journal of the Chemical Society, Dalton Transactions, 18, 1921-1923.@Yes <#LINE#>Phytochemical analysis, antibacterial and antioxidant activities of Entada africana Guill. and perrott stem bark extracts<#LINE#>Kwaji@Kwaji,Adamu@H.M. ,Chindo@I.Y. <#LINE#>10-15<#LINE#>2.ISCA-RJCS-2017-068.pdf<#LINE#>Department of Chemistry, Faculty of Science, Gombe State University, Gombe, Nigeria@Department of Chemistry, Faculty of Science, Abubakar Tafawa Balewa University, Bauchi, Nigeria@Department of Chemistry, Faculty of Science, Abubakar Tafawa Balewa University, Bauchi, Nigeria<#LINE#>6/8/2017<#LINE#>10/10/2017<#LINE#>Entada africana Guill and Perrot (Fabaceae) is predominantly a West African medicinal plant used in the treatment of several diseases. Multidrug resistance and the undesirable side effects of synthetic drugs underscore the need to search for alternatives from plants using bioassay guided technique. The hexane, dichloromethane, acetone and methanol stem bark extracts were screened for antibacterial activity. Relatively active acetone and methanol extracts were further analyzed for phytochemical contents and antioxidant property using standard methods. Results of the antibacterial screening indicates that the acetone extract had the best antibacterial property against Enterococcus faecalis, Escherichia coli and Staphylococcus aureus with inhibition zones ranging from 14.00±1.00 mm – 17.00±1.73 mm. Additionally, E. faecalis and E. coli had minimum inhibitory concentrations (MIC) of 0.39 mg/mL and 0.20 mg/mL respectively indicating moderate activity but weak on Staphylococcus aureus with MIC of 13.88 mg/mL. The quantitative phytochemical analysis of acetone and methanol extracts indicated 0.528±0.02 mg GAE/g and 0.650±0.85 mg GAE/g total polyphenol respectively. The acetone extract also yielded 0.500±0.017 mg RE/g of total flavonoids while the methanol extract gave 0.253±0.006 mg RE/g of total flavonoids. The 1,1-diphenyl-2-picrylhydrazyl (DPPH) test for the crude extracts revealed similar antioxidant activity comparable to that of ascorbic acid standard and concentration dependent. The observed biological activities indicated the presence of bioactive phyto-constituents. The study therefore supports the therapeutic use of Entada africana as a herbal remedy in traditional medicine.<#LINE#>Egwaikhide P.A., Okeniyi S.O. and Gimba C.E. (2009).@Screening for Antimicrobial activity and Phytochemical Constituents of Some Nigerian Medicinal Plants.@Journal of Medicinal Plants Research, 3(12), 1088-1091.@Yes$Wadwood A., Ghufran M., Jamal S.B., Naeem M., Khan A. and Ghaffar R. (2013).@Phytochemical Analysis of Medicinal Plants Occuring in Local Area of Mardan.@Biochemistry and Analytical Biochemistry, 2(4), 1-4.@Yes$Jiofack T., Fokunang C., Guedje N., Kemeuze V., Fongnzossie E., Nkongmeneck B.A. and Tsabang N. (2010).@Ethnobotanical Uses of Medicinal Plants of Two ethnoecological Regions of Cameroon.@International Journal of Medicine and Medical Sciences, 2(3), 60-79.@Yes$Tibiri A., Rakotonandrasana O., Nacoulma G.O. and Banzouzi J.T. (2007).@Radical Scavenging Activity, Phenolic Content and Cytotoxicity of Bark and Leaves Extract of Entada africana Guill. and Perr. (Mimosaceae).@Journal of Biological Sciences, 7(6), 959-963.@Yes$Tibiri A., Sawadogo R.W., Ouedraogo Banzouzi J.T., Guissou I.P. and Nacoulma G.O. (2010).@Evaluation of Antioxidant Activity, Total Phenolic and Flavonoid Content of Entada africana Guill.@Et Perr. (Mimosaceae) Organ Extracts.@Yes$Karou S.D., Tchacondo T., Ouattara L., Anani K., Savandogo A., De Souza C., Sakly M. and Simpore J. (2011).@Antimicrobial, Antiplasmodial, Hemolytic and Antioxidant Activities of Selected Togolese Medicinal Plants.@Asian Pacific Journal of Tropical Medicine, 4(10), 808-813.@Yes$Deshpande S.N. (2013).@Preliminary phytochemical analysis and In vitro Investigation of Antibacterial activity of Acacia nilotica against Clinical Isolates.@Journal of Pharmacognosy and Phytochemistry, 1(5), 23-27.@Yes$Mdlolo C.M. (2009).@Phytochemical Analysis and Selected Biological Activity of Phyllanthus parvulus Sond. Var garpensis.@M.Sc. Dissertation. University of Zululand South Africa.@Yes$Mbatchou V.C., Ayebila A.J. and Apea O.B. (2011).@Antibacterial Activity of Phytochemicals From Acacia nilotica, Entada africana and Mimosa nigra L. on Salmoella typhi.@Journal of Animal and Plant Sciences, 10(1), 1248-1258.@Yes$Aboaba O.O., Smith S.I. and Olude F.O. (2006).@Antibacterial Effect of Edible Plant Extract on Escherichia coli O157:H7.@Pakistan Journal of Nutrition, 5(4), 325-327.@Yes$Marthe E.S.T, Aime G.F., Armelle T.M., Ernestine T.N., Jackson A.S., Francesco K.T. and Victor K. (2014).@Activities of Selected Medicinal Plants against Multidrug resistant Gram negative bacteria in Cameroon.@African Health Sciences, 14(1), 167-172.@Yes$Owona B.A., Njayou N.F., Laufer S., Moundipa P.F. and Schluesener H.J. (2013).@A Fraction of Stem Bark Extract of Entada africana Suppresses Lipopolysaccharide-induced Inflammation in RAW 246.7 cells.@Journal of Ethnopharmacology, 149(1), 162-168. http://dx.doi.org/10.1016/j.jep.2013.06.016.@Yes$Zainol M.K., Abd-Hamid A., Yusuf S. and Muse R. (2003).@Antioxidative Activity and Total Phenolic Compounds of Leaf, Roots and Petiole of Four accessions of Centella asiatica (L.) Urban.@Food Chemistry, 81(4), 575-581.@Yes$Claudia A., Graciela E.F. and Rosana F. (2008).@Total polyphenol content and Antioxidant Capacity of Commercially Available tea (Carmella sinensis) in Argentina.@Journal of Agricultural Food Chemistry, 56(19), 9225-9229.@Yes$Atawodi S.E. (2005).@Antioxidant Potential of African Medicinal Plants.@African Journal of Biotechnology, 4(2), 128-133.@Yes$Bako S.P., Bakfur M.J., John I. and Bala E.I. (2005).@Ethnomedicinal and Phytochemical Profile of Some Savannah Plant Species In Nigeria.@International Journal of Botany, 1(2), 147-150.@Yes$Montoro P., Braca A., Pizza C. and De Tommasi N. (2005).@Structure Antioxidant Activity Relationships of Flavonoids From Different Plants Species.@Food Chemistry, 92(2), 349-355.@Yes$Cioffi G., Piaz F.D., Caprarris P.D., Sanogo R., Marzocco S., Autore G. and Tommasi N.D. (2006).@Antiproliferative Triterpene Saponins from Entada africana.@Journal of Natural Products, 69(9), 1323-1329.@Yes$Tiwari P., Kumar B., Kaur M., Kaur G. and Kaur H. (2011).@Phytochemical Screening and Extraction; A Review.@International Pharmaceutica Sciencia, 1(1), 98-106.@Yes$Ladan Z., Amupitan J.O., Oyewale O.A., Ayo R.G., Temple E. and Ladan E.O. (2014).@Phytochemical Screening of the Leaf Extracts of Hyptis spicigera Plant.@African Journal of Pure and Applied Chemistry, 8(5), 83-88.@Yes$De S., Dey Y.N. and Ghosh A.K. (2010).@Phytochemical Investigation and Chromatograhic Evaluation of different Extracts of tuber of Amorphaphallus paeonifolius (Araceae).@International Journal of Pharmaceutics and Biomedical Research, 1(5), 150-157.@Yes$Sathyaprabha G., Kumaravel S. and Panneerselvam A. (2011).@Analysis of Antioxidant Activity, Total Phenol, Total Flavonoids and Screening of Phytocomponents in Pleurotus platypus and Pleurotus eous.@Journal of Chemistry and Pharmaceutical Research, 3(6), 1-6.@Yes$Gracelin D.H.S., Britto A.J. and Kumar P.B.J.R. (2013).@Qualitative and Quantitative Analysis of Phytochemicals In Five Pteris Species.@International Journal of Pharmacy and Pharmaceutical Sciences, 5(1), 104-107.@Yes$Lugasi A., Honvahorich P. and Dworschark E. (1999).@Addition Information to In-vitro Antioxidant Activity of Ginkgo biloba L.@Phytotherapy Research, 13(2), 160-162.@Yes$Marijana K., Branislav R. and Marko D. (2012).@Mushroom as Possible Antioxidant and Antimicrobial Agents.@Iranian Journal of Pharmaceutical Research, 11(4), 1095-1102.@Yes$Daniella S. (2012).@Plant Derived Antimicrobial Compounds; Alternatives to Antibiotics.@Future Microbiology, 7(8), 979-990.@Yes$Salama H.M. and Marraiki N. (2010).@Antimicrobial Activity and Phytochemical Analysis of Polygonum aviculare L. (Polygonaceae), Naturally Growing In Egypt.@Saudi Journal of Biological Sciences, 17, 57-63.@Yes @Short Communication <#LINE#>Heavy metal accumulation in indoor ceiling fan dust from residential areas of Kathmandu Municipality, Nepal: A potential urban environmental problem<#LINE#>Ram@Pradhananga Achut ,Kaji @Shakya Ramesh ,Raj@Shakya Pawan <#LINE#>16-20<#LINE#>3.ISCA-RJCS-2017-065.pdf<#LINE#>Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal@Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal@Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal<#LINE#>19/7/2017<#LINE#>6/10/2017<#LINE#>Heavy metals accumulation in indoor dust from residential areas of Kathmandu municipality is increasingly becoming an urban environmental issue of health concern. In this study, ceiling fan dust samples were collected from residential buildings of 5 core areas of Kathmandu viz., Basantapur, Nayabazar, Bhotahity, Bagbazar and Kirtipur (reference). The collected dust samples were analyzed for the concentrations of Cd, Zn, Ni and Cu using Atomic Absorption Spectrophotometer. Metal concentrations indicated that ceiling fan dust from all the sampling sites contained high levels of heavy metals compared to reference site. Results revealed that Bagbazar site was found to have the highest accumulation of all the metals and Basantapur recorded the lowest concentrations in dust samples. In all the sampling locations, the metal accumulations were obtained in abundance following the order as Zn > Cu > Ni > Cd. The average accumulations of all the sampling sites for Cd, Zn, Ni and Cu in dust samples were 0.77, 423.68, 29.04 and 244.08 μg/g respectively while the enrichment factor indicated a slight to excessive degree of metal enrichment. The correlation analysis showed the similar sources of contamination to metal levels in indoor dust. A regular monitoring is suggested for indoor environmental status in urban areas of Kathmandu.<#LINE#>Banerjee A.D.K. (2003).@Heavy metal levels and solid phase speciation in street dust of Delhi.@India Environmental Pollution, 123, 95-105.@Yes$Meza-Figueroa D., De La O-Villanueva M. and De La Parra M.L. (2007).@Heavy metal distribution in dust from elementary schools in Hermosillo, Sonora, Mexico.@Atmospheric Environment, 41(2), 276-288.@Yes$Amato F., Querol X., Johansson C., Nagl C. and Alastuey A. (2010).@A review on the effectiveness of street sweeping, washing and dust suppressants as urban PM control.@Science of the Total Environment, 408(16), 3070-3084.@Yes$Li X., Poon C.S. and Liu P.S. (2001).@Heavy metal contamination of urban soils and street dust in Hong Kong.@Applied Geochemistry, 16(11), 1361-368.@Yes$Sharma R.K., Agrawal M. and Marshall F.M. (2008).@Atmospheric deposition of heavy metals (Cu, Zn, Cd and Pb) in Varanasi City, India.@Environment Monitoring and Assessment, 142, 269-278.@Yes$Amato F., Pandolfi M., Viana M., Querol X., Alastuey A. and Moreno T. (2009).@Spatial and chemical patterns of PM10 in road dust deposited in urban environment.@Atmospheric Environment, 43(9), 1650-1659.@Yes$Ng S.L., Chan L.S., Lam K.C. and Chan W.K. (2003).@Heavy metal contents and magnetic properties of playground dust in Hong Kong.@Environmental Monitoring and Assessment, 89(3), 221-232.@Yes$U.S. EPA (US Environment Protection Agency) (1986).@Air Quality Criteria for Mercury and Lead. EPA.@Research Triangle Park, NC.@No$Government of Canada (2001).@In Order Adding Toxic Substances to Schedule 1 to the Canadian Environmental Protection Act.@Canada Gazette, 135, 1-8.@No$Kim N. and Fergusson J. (1993).@Concentrations and sources of cadmium, copper, lead, and zinc in house dust in Christchurch, New Zealand.@Science of the Total Environment, 138(1-3), 1-21.@Yes$Tong S.T.Y. and Lam K.C. (1998).@Are nursery schools and kindergartens safe for our kids? The Hong Kong study.@Science of Total Environment, 216(3), 217-225.@Yes$Jabeen N.A., Ahmed S., Hassan S.T. and Alam N.M. (2001).@Levels and sources of heavy metals in house dust.@Journal of Radio analytical and Nuclear Chemistry, 247(1), 145-149.@Yes$Yap C.K., Ismail A. and Tan S.G. (2007).@Heavy metal concentrations in indoor fan dust of residential areas: A preliminary study.@Malaysian Applied Biology, 36(2), 65-67.@Yes$Yap C.K., Chew W.Y. and Tan S.G. (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, 75-83.@Yes$Madrid L., Diaz-Barrientos E. and Madrid F. (2002).@Distribution of heavy metal contents of urban soils in parks of Seville.@Chemosphere, 49(10), 1301-1308.@Yes$Lacatuso R. (1998).@In Appraising levels of soil contamination and pollution with Heavy Metals.@Europea Soil Bureau Research Report No. 4.@Yes$Yap C.K., Ismail A., Tan S.G. and Omar H. (2002).@Correlations between speciation of Cd, Cu, Pb and Zn in sediment and their concentrations in total soft tissue of green-lipped mussel Perna viridis from the west coast of Peninsular Malaysia.@Environment International, 28, 117-126.@Yes$Homolya J. (1999).@Particulate matter (PM2.5) Speciation Guidance Document.@January 21, DRAFT 131, U.S. EPA.@Yes$Wang W.H., Wong M.H., Leharne S. and Fisher B. (1998).@Fractionation and biotoxicity of heavy metals in urban dusts collected from Hong Kong and London.@Environment, Geochemistry and Health, 20(4), 185-198.@Yes$Davies D.J.A., Watt J.M. and Thornton I. (1987).@Lead levels in Birmingham dust and soils.@Science of the Total Environment, 67(2-3), 177-185.@Yes$Jiries A.G., Hussein H.H. and Halas Z. (2001).@The quality of water and sediments of street runoff in Amman, Jordan.@Hydrology Proceedings, 15(5), 815-824.@Yes$Charlesworth S., Everett M., Mc Carthy R., Ordonez A. and De Minguel E. (2003).@A comparative study of heavy metal concentration and distribution in deposited street dust in large and a small urban area: Birmingham and Coventry, West Midlands, UK.@Environmental International, 29(5), 563-573.@Yes$Fergusson J.E. and Ryan D.E. (1984).@The elemental composition of street dust from large and small urban areas related to city type, source and particle size.@Science of the Total Environment, 34(1-2), 101-116.@Yes @Short Review Paper <#LINE#>Nickel contamination of the environment<#LINE#>Sharma@Shilpa,Khan@Fahmida,Pandey@Madhurima,Pandey@Piyush Kant <#LINE#>21-25<#LINE#>4.ISCA-RJCS-2017-027.pdf<#LINE#>National Institute of Technology, Raipur-492010, CG, India@National Institute of Technology, Raipur-492010, CG, India@Bhilai Institute of Technology, Durg-491001, CG, India@Bhilai Institute of Technology, Raipur-493661, India<#LINE#>8/4/2017<#LINE#>19/9/2017<#LINE#>Nickel (Ni) and its compounds are being released in the environment regularly. Nickel and its compounds can be found in earth crust, windblown dust, volcanic eruptions as natural sources and many in anthropogenic sources. There are many sources responsible for the nickel emission to atmosphere. Nickel and its compounds are used in various industrial and consumer products therefore the presence of Ni can be found in almost all the environmental matrices. Nickel fumes and some volatile compounds of nickel make it an important occupational pollutant. Nickel and its compounds are known human carcinogens. This paper has made an effort to summarize the various aspects of nickel contamination of environment.<#LINE#>Cempel M. and Nikel G. (2005).@Nickel: A review of Its Sources and Environmental Toxicology.@polish J. of Environ. Stud., 15(3), 375-382.@Yes$Haber L.T., Erdreicht L., Diamond G.L., Majer A.M., Ratney R., Zhao Q. and Dourson M.L. (2000).@Hazard identification and dose response of inhaled nickel-soluble salt.@Regul. Toxicol. Pharmacol., 31, 210-230.@Yes$Young R.A. 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