Carbon nanotubes and graphenes as adsorbents for adsorption of lead ions from water: A review

Journal of Water Supply: Research and Technology - AQUA

Volumn 64, Issue 6, 2015, Pages 641-659

  Chawla, Jyoti ^a   Kumar, Rajeev ^a   Kaur, Inderpreet ^b  

^a MANAV RACHNA INTERNATIONAL INSTITUTE OF RESEARCH AND STUDIES   (India)

^b GURU NANAK DEV UNIVERSITY   (India)

Author keywords

Carbon based nanosorbents; Lead poisoning; Lead removal; Nanomaterials; Purification; Water pollution

Indexed keywords

CARBON NANOTUBES; GRAPHENE; HEAVY METALS; INDUSTRIAL POISONS; IONS; LEAD REMOVAL (WATER TREATMENT); NANOSTRUCTURED MATERIALS; POLLUTION; PURIFICATION; REUSABILITY; SOLUTIONS; SORBENTS; THERMODYNAMICS; WATER POLLUTION; YARN;

ADSORPTION CAPACITIES; GENETIC PROBLEMS; HIGH SELECTIVITY; NANOSORBENTS; ORGANIC/INORGANIC; SORBENT MATERIALS; TOXIC HEAVY METALS; WATER PURIFICATION;

CHEMICALS REMOVAL (WATER TREATMENT);

ADSORPTION; AQUEOUS SOLUTION; CARBON; CATION; FULLERENE; LEAD; NANOTECHNOLOGY; POISONING; POLLUTION CONTROL; PURIFICATION; SURFACE AREA; WASTEWATER; WATER POLLUTION; WATER TREATMENT;

EID: 84939198781     PISSN: 00037214     EISSN: None     Source Type: Journal    
DOI: 10.2166/aqua.2015.102     Document Type: Review

References (100)

1. Ajayan, P. M. 1999 Nanotubes from carbon. Chem. Rev. 99, 1787-1799
2. Akhavan, O. & Ghaderi, E. 2010 Toxicity of graphene and graphene oxide nanowalls against bacteria. A.C.S. Nano 4, 5731-5736
3. Ashraf, W. 2005 Accumulation of heavy metals in kidney and heart tissues of Epinephelus microdon fish from the Arabian Gulf. Environ. Monit. Assess. 101, 311-316
4. Atieh, M. A., Bakather, O. Y., Al-Tawbini, B., Bukhari, A. A., Abuilaiwi, F. A. & Fettouhi, M. B. 2010 Effect of carboxylic functional group functionalized on carbon nanotubes surface on the removal of lead from water. Bioinorg. Chem. Appi. 1, 1-9
5. Ayati, A., Ahmadpour, A., Bamoharram, F. R, Tanhaei, B., Manttari, M. & Silanpaa, M. 2014 A review on catalytic applications of Au/Ti0#inf#2#/inf# nanoparticles in the removal of water pollutant. Chemosphere 107, 163-174
6. Ballesteros, E., Gallego, M. & Valcarcel, M. 2000 Analytical potential of fullerene as adsorbent for organic and organometallic compounds from aqueous solutions. J. Chromat. 869, 101-110
7. Bang, S., Patel, M., Lippincott, L. & Meng, X. 2005 Removal of arsenic from groundwater by granular titanium dioxide adsorbent. Chemosphere 60, 389-397
8. Bhatt, I. & Tripathi, B. M. 2011 Interaction of engineered nanoparticles with various components of the environment and possible strategies for their risk assessment. Chemosphere 82, 308-317
9. Bussy, C, Ali-Boucetta, H. & Kostarelos, K. 2013 Safety considerations for graphene: lessons learnt from carbon nanotubes. Ace. Chem. Res. 46, 692-701
10. Cha, C, Shin, S. R, Annabi, N., Dokmeci, M. R & Khademhosseini, A. 2013 Carbon-based nanomaterials: multi-functional materials for biomedical engineering. A.C.S. Nano. 7, 2891-2897
11. Charerntanyarak, L. 1999 Heavy metals removal by chemical coagulation and precipitation. Water Sci. Technol. 39,135-138
12. Chawla, J. & Kumar, A. 2013 Ranking carbon-based nanomaterials using cytotoxicity to minimize public health risks. Int. J. Environ. Eng. Manage. 4, 301-308
13. Cheng, X. K., Kan, A. T. & Tomson, M. B. 2004 Naphthalene adsorption and desorption from aqueous C60 fullerene. J. Chem. Eng. Data 49, 675-683
14. Cheng, X. K, Kan, A. T. & Tomson, M. B. 2005 Uptake and sequestration of naphthalene and 1,2-dichlorobenzene by C-60. J. Nanopart. Res. 7, 555-567
15. Cho, H. H., Wepasnick, K, Smith, B. A., Bangash, F. K, Fairbrother, D. H. & Ball, W. P. 2010 Sorption of aqueous Zn [II] and Cd[II] by multiwalled carbon nanotubes: The relative roles of oxygen-containing functional groups and grapheme carbon. Langmuir 26, 967-981
16. Chu, H., Wei, L., Cui, R, Wang, J. & Li, Y. 2010 Carbon nanotubes combined with inorganic nanomaterials: preparations and applications. Coord. Chem. Rev. 254, 1117-1120
17. Cuentas-Gallegos, A. K, Martínez-Rosales, R, Rincón, M. E., Hirata, G. A. & Orozco, G. 2006 Design of hybrid materials based on carbon nanotubes and polyoxometalates. Opt. Mater. 29, 126-133
18. Dabrowski, A., Hubicki, Z., Podkoscielny, P. & Robens, E. 2004 Selective removal of the heavy metal ions from waters and industrial wastewaters by ion-exchange method. Chemosphere 56, 91-106
19. Demirbas, E., Kobya, M., Senturk, E. & Ozkan, T. 2004 Adsorption kinetics for the removal of Cr (VI) from aqueous solutions on the activated carbons prepared from agricultural wastes. Water Resour. 30, 533-539
20. Dreyer, D. R., Park, S., Bielawski, C. W. & Ruoff, R. S. 2010 The chemistry of graphene oxide. Chem. Soc. Rev. 39, 228-240
21. EcoWatch 2014 Water samples show disturbing levels of heavy metals from Duke Energy Coal Ash Spill. http://ecowatch. com/2014/02/06/water-samples-disturbing-levels-heavy-metals-duke-coal-ash-spill/ (accessed 21 April 2014)
22. Eda, G., Fanchini, G. & Chhowalla, M. 2008 Large-area ultrathin films of reduced graphene oxide as a transparent and flexible electronic material. Nat. Nanotechnol. 3, 270-274
23. EPA 2008 The Provision and Quality of Drinking Water in Ireland: A Report for the Year 2008-2009
24. Fan, L., Luo, C, Li, X., Lu, R, Qiu, H. & Sun, M. 2012 Fabrication of novel magnetic chitosan grafted with graphene oxide to enhance adsorption properties for methyl blue. J. Hazard. Mater. 15, 272-279
25. Geim, A. K. & Novoselov, K. S. 2007 The rise of graphene. Nat. Mater. 6, 183-191
26. Gupta, A., Yunus, M. & Sankararamakrishnan, N. 2012 Zerovalent iron encapsulated chitosan nanospheres: a novel adsorbent for the removal of total inorganic arsenic from aqueous systems. Chemosphere 86, 150-155
27. Gupta, V. K., Agarwal, S. & Saleh, T. A. 2011 Synthesis and characterization of alumina-coated carbon nanotubes and their application for lead removal. J. Hazard. Mater. 185, 17-23
28. Hamza, I. A. A., Martincigh, B. S., Ngila, J. C. & Nyamori, V. O. 2013 Adsorption studies of aqueous Pb(II) onto sugarcane bagasse/multi-walled carbon nanotube composite. Phys. Chem. Earth 66, 157-166
29. Hsieh, S. H. & Horng, J. J. 2007 Adsorption behavior of heavy metal ions by carbon nanotubes grown on microsized A1#inf#2#/inf#0#inf#3#/inf# particles. J. Univ. Sci. Tech. Beijing, Min. Metall. Mat. 14, 77-84
30. Hu, J., Zhao, D. & Wang, X. 2011 Removal of Pb(II) and Cu(II) from aqueous solution using multiwalled carbon nanotubes/iron oxide magnetic composites. Water Sci. Technol. 63, 917-23
31. Hu, Z. J., Cui, Y., Liu, S., Yuan, Y & Gao, H. W. 2012 Optimization of ethylenediamine-grafted multi-walled carbon nanotubes for solid-phase extraction of lead cations. Environ. Sci. Pollut. Res. 19, 1237-1244
32. Hua, M., Zhang, S., Pan, B., Zhang, W., Lv, L. & Zhang, Q. 2012 Heavy metal removal from water/wastewater by nanosized metal oxides: a review. J. Hazard. Mat. 211-212, 317-331
33. Huang, Z. H., Zheng, X., Lv, W., Wang, M., Yang, Q. H. & Kang, F. 2011 Adsorption of lead(II) ions from aqueous solution on low-temperature exfoliated graphene nanosheets. Langmuir 27, 7558-62
34. Kim, K. S., Zhao, Y, Jang, H., Lee, S. Y, Kim, J. M., Kim, K. S., Ahn, J. H., Kim, P., Choi, J. Y & Hong, B. H. 2009 Large-scale pattern growth of graphene films for stretchable transparent electrodes. Nature 457, 706-710
35. Kojadinovic, J., Potier, M. & Le, C. M. 2006 Mercury content in commercial pelagic fish and its risk assessment in the Western Indian Ocean. Sci. Total Environ. 366, 688-700
36. Kolosnjaj, T J., Hartman, K. B. & Boudjemaa, S. 2010 In vivo behavior of large doses of ultrashort and full-length single-walled carbon nanotubes after oral and intraperitoneal administration to Swiss mice. Am. Chem. Soc. Nano. 4, 1481-1492
37. Kong, N., Huang, X., Cui, L. & Liu, J. 2013 Surface modified graphene for heavy metal ions adsorption. Sci. Adv. Mater. 5, 1083-1089
38. Kosa, S. A., Zhrania, G A. & Salam, M. A. 2012 Removal of heavy metals from aqueous solutions by multiwalled carbon nanotubes modified with 8-hydroxyquinoline. Chem. Eng. J. 181-182, 159-168
39. Kroto, H. W., Heath, J. R, O'Brien, S. C, Curl, R. F. & Smalley, R E. 1985 C60: buckminsterfullerene. Nature 318, 162-163
40. Kumar, R & Chawla, J. 2014 Removal of cadmium ion from water/wastewater by nano-metal oxides: a review. Water Qual. Exp. Health 5, 215-226
41. Kumar, R, Chawla, J. & Kaur, I. 2015 Removal of cadmium metal from water by carbon based nanosorbents: a review. J. Water Health. 13, 18-33
42. Lam, C. W., James, J. T., McCluskey, R, Arepalli, S. & Hunter, R. L. 2006 A review of carbon nanotube toxicity and assessment of potential occupational and environmental health risks. Crii. Rev. Toxicol. 36, 189-217
43. Li, Q. L., Yuan, D. X. & Lin, Q. M. 2004 Evaluation of multiwalled carbon nanotubes as an adsorbent for trapping volatile organic compounds from environmental samples. J. Chromatography A 1026, 283-288
44. Li, Y H., Wang, S., Wei, J., Zhang, X., Xu, C, Luan, Z., Wu, D. & Wei, B. 2002 Lead adsorption on carbon nanotubes. Chem. Phys. Let. 357, 263-266
45. Li, Y H., Wang, S. G, Luan, Z. K., Ding, J., Xu, C. L. & Wu, D. H. 2003a Adsorption of cadmium(II) from aqueous solution by surface oxidized carbon nanotubes. Carbon 41, 1057-1062
46. Li, Y H., Ding, J., Luan, Z., Di, Z., Zhu, Y, Xu, C, Wu, D. & Wei, B. 2003b Competitive adsorption of Pb#sup#2+#/sup#, Cu#sup#2+#/sup# and Cd#sup#2+#/sup#ions from aqueous solutions by multiwalled carbon nanotubes. Carbon 41, 2787-2792
47. Liang, X., Xu, Y, Wang, L., Sun, Y, Lin, D., Sun, Y, Qin, X. & Wan, Q. 2013 Sorption of Pb#sup#2+#/sup# on mercapto functionalized sepiolite. Chemosphere 90, 548-555
48. Liao, K. H., Lin, Y S., Macosko, C W. & Haynes, C. L. 2011 Cytotoxicity of graphene oxide and graphene in human erythrocytes and skin fibroblasts. A.C.S. Appi. Mat. Interface 3, 2607-2615
49. Lu, C. & Chiù, H. 2008 Chemical modification of multiwalled carbon nanotubes for sorption of Zn#sup#2+#/sup# from aqueous solution. Chem. Eng. J. 139, 462-468
50. Madadrang, C. J., Kim, H. Y, Gao, G, Wang, N., Zhu, J., Feng, H., Gorring, M., Kasner, M. L. & Hou, . 2012 Adsorption behavior of EDTA-graphene oxide for Pb (II) removal SACS. Appi. Mater. Interfaces 4, 1186-1193
51. Mamba, G., Mbianda, X. Y., Govender, P. P., Mamba, B. B. & Krause, R. W. 2010 Application of multiwalled carbon nanotube-cyclodextrin polymers in the removal of heavy metals from water. J. Appi. Sci. 10, 940-949
52. Mathee, A. 2007 Lead in paint: three decades later and still a hazard for African children? Environ. Health Perspect. 115, 321-322
53. Mubarak, N. M., Alicia, R. R, Abdullah, E. C, Sahu, J. N., Ayu Haslija, A. B. & Tan, J. 2013 Statistical optimization and kinetic studies on removal of Zn#sup#2+#/sup# using functionalized carbon nanotubes and magnetic biochar. J. Environ. Chem. Eng. 1, 486-495
54. Mubarak, N. M., Sahu, J. N., Abdullah, E. C, Jayakumar, N. S. & Ganesan, P. 2014a Single stage production of carbon nanotubes using microwave technology. Diamond Relat. Mater. 48, 52-59
55. Mubarak, N. M., Thines, R K., Sajuni, N. R, Abdullah, E. C, Sahu, J. N., Ganesan, P. & Jayakumar, N. S. 2014b Adsorption of chromium (VI) on functionalized and non-functionalized carbon nanotubes. K. J. Chem. Eng. 31, 1582-1591
56. Ngomsik, A. R, Bee, A., Draye, M, Cote, G & Cabuil, V. 2005 Magnetic nano- and microparticles for metal removal and environmental applications: a review. CR. Chim. 8, 963-970
57. Norotry, K., Turzikova, A. & Komarek, J. 2000 Adsorption kinetic study for the removal of divalent and trivalent ions from aqueous solution by natural adsorbents. J. Anal. Chim. Acta 411, 209-212
58. Omer, S., Sevgi, D. & Mehmet, F. D. 2005 Removal of lead(II) from aqueous solution by Antep Pistachio Shells. Frenius Environ. Bull. 11, 986-987
59. Onnby, L., Kumar, P. S., Sigfridsson, K. G V., Wendt, O. R, Carlson, S. & Kirsebom, H. 2014 Improved arsenic(III) adsorption by A1#inf#2#/inf#0#inf#3#/inf# nanoparticles and H#inf#2#/inf#0#inf#2#/inf#: evidence of oxidation to arsenic(V) from X-ray absorption spectroscopy. Chemosphere 113, 151-157
60. Onundi, Y. B., Mamun, A. A., Al Khatib, M. F. & Al Saadi, M. A. 2011 Heavy metals removal from synthetic wastewater by a novel nano-size composite adsorbent International. J. Environ. Sci. Technol. 8, 799-806
61. Otvos, Z., Onyestyák, G, Hance, A., Kiricsi, I. & Rees, L. V. C. 2006 Surface oxygen complexes as governors of neopentane sorption in multiwalled carbon nanotubes. Carbon 44, 1665-1672
62. Peng, K., Liu, L. Q., Li, H., Meyer, H. & Zhang, Z. 2011 Room temperature functionalization of carbon nanotubes using an ozone/water vapor mixture. Carbon 49, 70-76
63. Peng, X., Li, Y, Luan, Z., Di, Z., Wang, H., Tian, B. & Jia, Z. 2003 Adsorption of 1, 2-dichlorobenzene from water to carbon nanotubes. Chem. Phys. Let. 376, 154-158
64. Peng, X., Luan, Z., Di, Z., Zhang, Z. & Zhu, C. 2005 Carbon nanotubes-iron oxides magnetic composites as adsorbent for removal of Pb(II) and Cu(II) from water. Carbon 43, 855-894
65. Perez-Aguilar, N. V., Muñoz-Sandoval, E., Díaz-Flores, P. E. & Rangel-Méndez, J. R. 2010 Adsorption of cadmium and lead onto oxidized nitrogen-doped multiwall carbon nanotubes in aqueous solution: equilibrium and kinetics. J. Nanopart. Res. 12, 467-480
66. Pratik, M. & Choksi, V. Y. 2008 Adsorption kinetic study for the removal of nickel(II) and aluminium(III) from an aqueous solution by natural adsorbents. National Sci. Tech. Lib. 1/3, 216-231
67. Pyrzynska, K. & Bystrzejewski, M. 2010 Comparative study of heavy metal ions sorption onto activated carbon, carbon nanotubes, and carbon-encapsulated magnetic nanoparticles. Colloids and Surfaces A: Physicochem. Eng. Aspects 362, 102-109
68. Qdais, H. A. & Moussa, H. 2004 Removal of heavy metals from wastewater by membrane processes: a comparative study. Desalination 164, 105-110
69. Rojas-Lopez, M. 1994 Use of lead-glazed ceramics is the main factor associated to high lead in blood levels in two Mexican rural communities. J. Toxicol. Environ. Health 42, 45-52
70. Saber, T. M., Azar, P. A., Namin, P. E. & Dehaghi, S. 2013 Removal of lead ions from wastewater using functionalized multiwalled carbon nanotubes with tris (2-aminoethyl) amine. J. Environ. Prot. 4, 529-536
71. Sasidharan, A., Panchakarla, L. S. & Chandran, P. 2011 Differential nano-bio interactions and toxicity effects of pristine versus functionalized graphene. Nanoscale 3, 2461-2464
72. Schneider, J. S. & DeCamp, E. 2007 Postnatal lead poisoning impairs behavioral recovery following brain damage. Neurotoxicol. 28, 1153-1157
73. Sciarillo, W. G, Alexander, G & Farrell, K. P. 1992 Lead exposure and child behavior. Am. J. Pub. Health 82, 1356-1360
74. Sitko, R, Turek, E., Zawisza, B., Malicka, E., Talik, E., Heimann, T., Gagor, A., Feist, B. & Wrzalik, R. 2013 Adsorption of divalent metal ions from aqueous solutions using graphene oxide. Dalton Trans. 42, 5682-5689
75. Stafiej, A. & Pyrzynska, K. 2007 Adsorption of heavy metal ions with carbon nanotubes. Separ. Purif. Technol. 58, 49-52
76. Tehrani, M. S., Azar, P. A., Namin, P. E. & Dehaghi, S. M. 2014 Removal of lead ions from aqueous solution using multiwalled carbon nanotubes: the effect of functionalization. J. Appi. Environ. Biol. Sci. 4, 316-326
77. Tsai, W. T., Chang, C. Y, Lin, M. C, Chien, S. R, Sun, H. F. & Hsieh, M. F. 2001 Adsorption of acid dye onto activated carbons prepared from agriculture waste bagasse by ZnCl#inf#2#/inf# activation. Chemosphere 45, 51-58
78. Velickovic, Z. S., Bajic, Z. J., Ristic, M. D., Djokic, V. R, Marinkovic, A. D., Uskokovic, P. S. & Vuruna, M. M. 2013 Modification of multi-wall carbon nanotubes for the removal of cadmium, lead and arsenic from waste water. Digest J. Nanomater. Biostr. 8, 501-511
79. Vukovic, G D., Marinkovic, A. D., Skapin, S. D., Ristic, M. D., Aleksic, R., Peric-Grujic, A. A. & Uskokovic, P. S. 2011 Removal of lead from water by amino modified multiwalled carbon nanotubes. Chem. Eng. J. 173, 855-865
80. Waid, O. & Hossam, A. I. 2007 Removal of Pb#sup#2+#/sup# ions from aqueous solution by adsorption on Kaolinite Clay. Am. J. Appi. Sci. 4, 502-507
81. Wang, H., Zhou, A., Peng, F., Yu, H. & Yang, J. 2007 Mechanism study on adsorption of acidified multiwalled carbon nanotubes to Pb(II). J. Coll. Interface Sci. 316, 277-283
82. Wang, K., Ruan, J. & Song, H. 2011 Biocompatibility of graphene oxide. Nanoscale Res. Lett. 6, 1-8
83. Wang, S. G., Gong, W. X., Liu, X. W., Yao, Y W., Gao, B. Y & Yue, Q. Y 2007 Removal of lead(II) from aqueous solution by adsorption onto manganese oxide-coated carbon nanotubes. Separ. Purif. Technol. 58, 17-23
84. Wang, X., Jia, G. & Wang, H. 2009 Diameter effects on cytotoxicity of multi-walled carbon nanotubes. J. Nanosci. Nanotechnol. 9, 3025-3033
85. Wang, X. B., Cai, W. P., Lin, Y X., Wang, G Z. & Liang, C. H. 2010 Mass production of micro/nanostructured porous ZnO plates and their strong structurally enhanced and selective adsorption performance for environmental remediation. J. Mat. Chem. 20, 8582-8590
86. WHO 2008 Guidelines for Drinking Water Quality: Recommendations, vol. 1, 3rd edn. World Health Organization, Geneva
87. Wojtoniszak, M., Chen, X., Kalenczuk, R J., Wajda, A., Lapczuk, J., Kurzewski, M., Drozdzik, M., Chu, P. & Borowiak-Palen, E. 2012 Synthesis, dispersion, and cytocompatibility of graphene oxide and reduced graphene oxide. Colloids and Surfaces B: Biointerfaces 89, 79-85
88. Xu, D., Tan, X., Chen, C. & Wang, X. 2008 Removal of Pb(II) from aqueous solution by oxidized multiwalled carbon nanotubes. J. Hazard. Matter, 154, 407-416
89. Xu, P., Zeng, G M., Huang, D. L, Feng, C. L, Hu, S., Zhao, M. H, Lai, C, Wei, Z., Huang, C, Xie, G X. & Liu, Z. F. 2012 Use of iron oxide nanomaterials in wastewater treatment: a review. Sci. Total Environ. 424, 1-10
90. Yan, L., Zhao, F., Li, S., Hu, Z. & Zhao, Y. 2011 Low-toxic and safe nanomaterials by surface-chemical design, carbon nanotubes, fullerenes, metallofullerenes, and graphenes. Nanoscale 3, 362-382
91. Yang, K., Zhu, L. & Xing, B. 2006a Adsorption of polycyclic aromatic hydrocarbons by carbon nanomaterials. Environ. Sci. Technol. 40, 1855-1861
92. Yang, K., Wang, X., Zhu, L. & Xing, B. 2006b Competitive sorption of pyrene, phenantrene and naphthalene on multiwalled carbon nanotubes. Environ. Sci. Technol. 40, 5804-5810
93. Yang, K., Zhang, S., Zhang, G, Sun, X., Lee, S. T. & Liu, Z. 2010 Graphene in mice: ultrahigh in vivo tumor uptake and efficient photothermal therapy. Nano Lett. 10, 3318-3323
94. Yang, K, Wan, J., Zhang, S., Zhang, Y, Lee, S. T. & Liu, Z. 2on In vivo pharmacokinetics, long-term biodistribution, and toxicology of pegylated graphene in mice. A.C.S. Nano 5, 516-522
95. Yang, S. H, Lee, T., Seo, E., Ko, E. H., Choi, I. S. & Kim, B. S. 2012 Interfacing living yeast cells with graphene oxide nanosheaths. Macromol. Biosci. 12, 61-66
96. Yilmaz, A. B. 2009 The comparison of heavy metal concentrations (Cd, Cu, Mn, Pb and Zn) in tissues of three economically important fish inhabiting Koycegiz Lake-Mugla, Turkey. Turkish ]. Sci. Technol. 4, 7-15
97. Yu, F., Wu, Y, Ma, J. & Zhang, C. 2013 Adsorption of lead on multi-walled carbon nanotubes with different outer diameter and oxygen contents: kinetics, isotherms and thermodynamics. J. Environ. Sci. 25, 195-203
98. Zhao, G, Ren, X., Gao, X., Tan, X., Li, J., Chen, C, Huang, Y & Wang, X. 2011 Removal of Pb(II) ions from aqueous solutions on few-layered graphene oxide nanosheets. Dalton Trans. 40, 10945-10952
99. Zhang, Y, Ali, S. F. & Dervishi, E. 2010 Cytotoxicity effects of graphene and single-wall carbon nanotubes in neural phaeochromocytoma-derived pcl2 cells. A.C.S. Nano 4, 3181-3186
100. Zheng, L. 2008 Blood lead and cadmium levels and relevant factors among children from an e-waste recycling town in China. Environ. Res. 108, 15-20