Bentonite toxicology and epidemiology – a review

References

• Abbès S, Salah-Abbès JB, Abdel-Wahhab MA, Ouslati R. (2010). Immunotoxicological and biochemical effects of aflatoxins in rats prevented by Tunisian montmorillonite with reference to HSCAS. Immunopharmacol Immunotoxicol 32:514–22
   PubMed Web of Science ®Google Scholar
• Abdel-Wahhab MA, Nada SA, Amra HA. (1999). Effect of aluminosilicates and bentonite on aflatoxin-induced developmental toxicity in rat. J Appl Toxicol 19:199–204
   PubMed Web of Science ®Google Scholar
• Adamis Z, Timár M. (1978). Studies on the effect of quartz, bentonite and coal dust mixtures on macrophages in vitro. Br J Exp Pathol 59:411–15
   PubMed Web of Science ®Google Scholar
• Adamis Z, Tátrai E, Timár M, Ungváry G. (1985). Evaluation of dust toxicity by short-term methods. In: Beck EG, Bignon, J. (eds.). In vitro effects of mineral dusts: 3rd international workshop. NATO Advanced Research Workshop on In Vitro Effects of Mineral Dusts. NATO Advanced Science Institutes Series G3. Berlin: Springer-Verlag, 453–458
   Google Scholar
• Adamis Z, Timár M, Köfler L, et al. (1986). Biological effects of the respirable dusts from ore mines. Environ Res 41:319–26
   PubMed Web of Science ®Google Scholar
• Adamis Z, Krass BK. (1991). Studies on the cytotoxicity of ceramic respirable dusts using in vitro and in vivo test systems. Ann Occup Hyg 35:469–83
   PubMed Web of Science ®Google Scholar
• Adamis Z, Tátrai E, Honma K, Ungváry G. (1998). Studies on the effect of quartz, bentonite and kaolin dust mixtures on rat lung. In: Chiyotami C, Hosoda Y, Aizawa Y. (eds.), Advances in the prevention of occupational respiratory diseases: proceedings of the 9th international conference on occupational respiratory diseases, Amsterdam: Elsevier Sci. B.V., 851–4
   Google Scholar
• Ajemba RO. (2013). Alteration of bentonite from Ughelli by nitric acid activation: kinetics and physicochemical properties. Ind J Sci Tech 6:4076–83
   Google Scholar
• Akande KE, Abubakar MM, Adegbola TA, Bogoro SE. (2006). Nutritional and health implications of Mycotoxins in animal feeds: a review. Pakistan J Nutr 5:398–403
   Google Scholar
• Ampian SG. (1991). The impact of the U.S. Bureau of Mines Clay Classification Systems on land use. U.S. Department of the Interior, U.S. Bureau of Mines, Branch of Industrial Minerals. March, 27, 1991, 10pp
   Google Scholar
• Ayyat MS, Abd Rhman GA, El-Marakby HI, et al. (2013). Reduction the aflatoxin toxicity in Nile tilapia fish. Egyptian J Nutrit Feeds 16:469–79
   Google Scholar
• Babet PH. (1966). Some characteristics of bentonite in Alberta. Report 66-2. Research Council of Alberta, Edmonton, Alberta, Canada, 27
   Google Scholar
• Baek M, Lee J-A, Choi S-J. (2012). Toxicological effects of a cationic clay, montmorillonite in vitro and in vivo. Mol Cell Toxicol 8:95–101
   Web of Science ®Google Scholar
• Bailey CA, Latimer GW, Barr AC, et al. (2006). Efficacy of montmorillonite clay (NovaSil PLUS) for protecting full-term broilers from aflatoxicosis. J App Poult Res 15:198–206
   Web of Science ®Google Scholar
• Bania E, Apostolopoulos I, Kyritsi Z, et al. (2015). Prevalence of chronic obstructive pulmonary disease and correlation with occupational exposure on Milos, Milos Island in Greece. MOJ Clin Med Case Rep 3:1–4
   Google Scholar
• Bania E, Apostolopoulos I, Kyritsi Z, Ninou I, et al. (2013). Prevalence of chronic obstructive pulmonary disease and correlation with occupational exposure on Milos Island. Presentation at the 22nd Hellenic Conference of the Hellenic Thoracic Society, 2013 Dec 5–7, Athens, Greece
   Google Scholar
• Barkat M, Chegrouche S, Mellah A, et al. (2014). Application of Algerian bentonite in the removal of cadmium (II) and chromium (VI) from aqueous solutions. J Surface Eng Mat Adv Tech 4:210–26
   Google Scholar
• Bayram H, Önal M, Yilmaz H. (2010). Thermal analysis of a white calcium bentonite. Therm Anal Calorim 101:873–9
   Web of Science ®Google Scholar
• Bennett A, Stryjewski G. (2006). Severe hypokalemia caused by oral and rectal administration of bentonite in a pediatric patient. Pediatr Emerg Care 22:500–2
   PubMed Web of Science ®Google Scholar
• Bergeson KI, Brocks SG. (1996). Bentonite treatment for fugitive dust control. Semisequicentennial Transportation Conference Proceedings, Iowa State University, May, 1996, Ames, Iowa
   Google Scholar
• Bisi-Johnson MA, Obi CL, Ekosse GE. (2010). Microbiological and health related perspectives of geophagia: an overview. African J Biotech 9:5784–91
   Web of Science ®Google Scholar
• Blade WH, Boulton R. (1988). Adsorption of protein by bentonite in a model wine solution. Am J Enol Vitic 39:193–9
   Web of Science ®Google Scholar
• Boros DL, Warren KS. (1970). Delayed hypersensitivity-type granuloma formation and dermal reaction induced and elicited by a soluble factor isolated from Schistosoma mansoni eggs. J Exp Med 132:488–507
   PubMed Web of Science ®Google Scholar
• Boros DL, Warren KS. (1973). The bentonite granuloma. Characterization of a model system for infectious and foreign body granulomatous inflammation using soluble mycobacterial, histoplasma and schistosoma antigens. Immunology 24:511–29
   PubMed Web of Science ®Google Scholar
• Bourliva A, Michailidis K, Sikaldis C, et al. (2010). Municipal wastewater treatment with bentonite from Milos Island, Greece. Bull Geol Soc Greece XLIII:2532–9
   Google Scholar
• British Geological Survey, (2006). Fuller’s Earth. British Geological Survey, Mineral Planning Factsheet. British Geological Survey, Crown Copyright, January 2006, 6 pp. Available from: http://www.bgs.ac.uk/downloads/start.cfm?id=1358
   Google Scholar
• British Geological Survey. (2016). World Mineral production 2010–2014. Authored by Brown TJ, CE. Wrighton CE, Idoine NE, Raycraft ER, Shaw RA, Deady EA, Rippendale J and Bide T. British Geological Survey, Keyworth, Nottingham, UK: British Geological Survey, 92 pp
   Google Scholar
• British Industrial Biological Research Association (BIBRA). (1989). Toxicity profile: bentonite. Surry, Great Britain
   Google Scholar
• Browett PJ, Simpson LO, Blennerhassett JB. (1980). Experimental granulomatous inflammation: the ultrastructure of the reaction of guinea pigs to bentonite injection. J Pathol 130:57–64
   PubMed Web of Science ®Google Scholar
• Browning E. (1969). Toxicity of Industrial Metals. 2nd edn. New York: Appleton-Century-Crofts
   Google Scholar
• Caglar B, Afsin B, Koksal E, et al. (2013). Characterization of Unye bentonite after treatment with sulfuric acid. Quim Nova 36:955–9
   Web of Science ®Google Scholar
• Calarge L, Lanson B, Meunier A, Formoso ML. (2003). The smectitic minerals in a bentonite deposit from Melo (Uruguay). Clay Min 38:25–34
   Web of Science ®Google Scholar
• Calarge L, Meunier A, Lanson B, Formoso ML. (2006). Chemical signature of two Permian volcanic ash deposits within a bentonite bed from Melo, Uruguay. Ann Acad Bras Cienc 78:525–41
   PubMed Web of Science ®Google Scholar
• Campbell AH, Gloyne SR. (1942). A case of pneumoconiosis due to the inhalation of Fuller’s earth. J Pathol Bacteriol 54:75–9
   Google Scholar
• Carlson L. (2004). Bentonite Mineralogy. Part 1: Methods of investigation – a literature review, Part 2: Mineralogical research of selected bentonites. Working report prepared January, 2004-02, for Posiva, Olkiluoto, Finland, pp 108. Available from: http://www.posiva.fi/files/2257/POSIVA-2004-02_Working-report_web.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Carlson L, Keto P. (2006). Verification of substitution of bentonites by montmorillonitic clays. Summary report on Czech montmorillonitic clays. Working report prepared January, 2006-62, for Posiva, Olkiluoto, Finland, pp. 126. Available from: www.posiva.fi/files/356/WR2006-62web_rev.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Carretero MI. (2002). Clay minerals and their beneficial effects upon human health: a review. Appl Clay Sci 21:155–63
   Web of Science ®Google Scholar
• Carretero MI, Gomes CSF, Tateo F. (2006). Chapter 11.5, Clays and human health. In: Bergaya F, Theng BKG, Lagaly G (eds.) Handbook of clay science. London: Elsevier Ltd, 717–741
   Google Scholar
• Carretero MI, Pozo M. (2009). Clay and non-clay minerals in the pharmaceutical industry. Part I. Excipients and medical applications. Appl Clay Sci 46:73–80
   Web of Science ®Google Scholar
• Carter DL, Mortland MM, Kemper WD. (1986). Chapter 16, Specific surface. In: Klute, A. (ed.) Methods of soil analysis, part I. Physical and mineralogical methods – agronomy. Monograph no. 9. 2nd edn. Madison, WI: Soil Science Society of America, 413–424
   Google Scholar
• Catarino S, Madeira M, Monteiro F, et al. (2008). Effect of bentonite characteristics on the elemental composition of wine. J Agric Food Chem 56:158–65
   PubMed Web of Science ®Google Scholar
• Christidis GE. (1998). Physical and chemical properties of some bentonite deposits of Kimolos Island, Greece. Appl Clay Sci 13:79–98
   Web of Science ®Google Scholar
• Christidis GE, Scott PW. (1997). The origin and control of colour of white bentonites form the Agean islands of Milos and Kimlos, Greece. Mineralium Deposita 32:271–9
   Web of Science ®Google Scholar
• Clem AG, Doehler RW. (1961). Industrial applications of bentonite. Clays Clay Min 10:272–83
   Google Scholar
• Cohen IK, Diegelmann RF, Wise WS. (1976). Biomaterials and collagen synthesis. J Biomed Mater Res 10:965–70
   PubMed Web of Science ®Google Scholar
• Cravero F, Keith KS, Murray HH, Toth T. (2000). A white bentonite from San Juan Province, Argentina, geology and otential industrial applications. Appl Clay Sci 16:31–43
   Web of Science ®Google Scholar
• Creely KS, Cowie H, Van Tongeren M, et al. (2007). Trends in inhalation exposure – review of the data in the published scientific literature. Ann Occup Hyg 51:665–78
   PubMed Web of Science ®Google Scholar
• Daniele E, Cariello M. (1965). Morbidity and absenteeism in a plant for bentonite processing. (Article in Italian). Folia Med (Napoli) 48:112–18
   PubMedGoogle Scholar
• Dário GM, da Silva GG, Gonçalves DL, et al. (2014). Evaluation of the healing activity of therapeutic clay in rat skin wounds. Mater Sci Eng C Mater Biol Appl 43:109–16
   PubMed Web of Science ®Google Scholar
• Darweesh HHM, Nagrieb ZA. (2007). Hydration of calcined bentonite Portland blended cement pastes. IndianJ Chemical Tech 14:301–7
   Web of Science ®Google Scholar
• Dehghan F, Mohammadi S, Sadeghi Z, Attarchi M. (2009). Respiratory complains and spirometric parameters in tile and ceramic factory workers. Tanaffos 84:19–25
   Google Scholar
• Eckhardt JC, Santurio JM, Zanette RA, et al. (2014). Efficacy of a Brazilian calcium montmorillonite against toxic effects of dietary aflatoxins on broilers reared to market weight. Br Poultry Sci 99:215–20
   Google Scholar
• Economopoulos JN. (1998). The mining history of the island of Milos. Milos, Greece: Milos Mining Museump. Available from: http://www.milosminingmuseum.com/wp-content/uploads/2011/11/mining_history_en1.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Eisenhour D, Reisch F. (2006). Bentonite. In: Kogel JE, Trivedi NC, Barker JM, Krukowski ST (eds.) Industrial minerals & rocks: commodities, markets, and uses. 7th edn. Littleton, CO: Society for Mining Metallurgy, 357–68
   Google Scholar
• Elmes PC. (1987). Perlite and other ‘nuisance’ dusts. J R Soc Med 80:403–4
   PubMed Web of Science ®Google Scholar
• Elmore AR. (2003). Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate, sodium magnesium silicate, zirconium silicate, attapulgite, bentonite, Fuller’s earth, hectorite, kaolin, lithium magnesium silicate, lithium magnesium sodium silicate, montmorillonite, pyrophyllite, and zeolite. Int J Toxicol 22:37–102
   PubMed Web of Science ®Google Scholar
• Elmore SE, Mitchell N, Mays T, et al. (2014). Common African cooking processes do not affect the aflatoxin binding efficacy of refined calcium montmorillonite clay. Food Control 37:27–32
   Web of Science ®Google Scholar
• Emami-Razavi SH, Esmaeili N, Forouzannia SK, et al. (2006). Effect of bentonite on skin wound healing: Experimental study in the rat model. Acta Medica Iranica 44:235–40
   Google Scholar
• Eraslan G, Akdogan M, Yarsan E, et al. (2004). Effects of aflatoxin and sodium bentonite administered in feed alone or combined on lipid peroxidation in the liver and kidneys of broilers. Bull Vet Inst Pulawy 48:301–4
   Google Scholar
• European Commission (EC). (2000). IUCLID Bentonite Datasheet. Ispra, Italy: European Chemicals Bureau, European Commission, 49 pp
   Google Scholar
• European Commission (EC). (2014). Annex C to the Report on Critical Raw Materials for the EU. Version of 25 May 2014. Available from: http://ec.europa.eu/DocsRoom/documents/10011/attachments/1/translations/en/renditions/pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• European Commission (EC). (2010). Annex V to the Report of the Ad-hoc Working Group on defining critical raw materials, Version of 30 July 2010. Available from: http://ec.europa.eu/eip/raw-materials/en/system/files/ged/52%20annex-v-b_en.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• European Food Safety Authority (EFSA), (2007). Scientific opinion on the safety and efficacy of bentonite (dioctahedral montmorillonite) as feed additive for all species. EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP). EFSA J 9:24
   Google Scholar
• Eya JC, Parsons A, Haile I, Jagido P. (2008). Effects of dietary zeolites (bentonite and mordenite) on the performance of juvenile rainbow trout Onchorhynchus myskis. Austral J Basic Appl Sci 2:961–7
   Google Scholar
• Fârcal RL, Bidian C, Catoi C, et al. (2007). The evaluation of experimental respiratory exposure methods, with bentonite particles, on Wistar rats. Bulletin USAMC-CN 64:136–41
   Google Scholar
• Flanagan DM. (2016a). Clays. In: US Geological Service 2016 Minerals Yearbook. Reston, VA: US Geological Service, 50. Available from: http://minerals.usgs.gov/minerals/pubs/mcs/2016/mcs2016.pdf. [Last accessed: 29 Jul 2016]
   Google Scholar
• Flanagan DM. (2016b). Personal communication with Daniel Flanagan, Clays Specialist, U.S. Geological Survey, Reston, VA, 20192, 703-648-7726. Email: [email protected]. August 3, 2016
   Google Scholar
• Fowler J, Hashim M, Barrientos-Velazquez A, et al. (2014). Utilization of a spray-applied bentonite clay to ameliorate the effects of low-levels of aflatoxin starter broiler diets containing DDGS. Nat Prod Chem Res 2:4
   Google Scholar
• Gates WP, Bouazza A, Churchman GJ. (2009). Bentonite clay keeps pollutants at bay. Elements 5:105–10
   Web of Science ®Google Scholar
• Gattner H. (1955). Die Bleicherde-Lunge. Arch Gewerbepathol Gewerbehyg 13:508–16
   Google Scholar
• Geh S, Shi T, Shokouhi B, et al. (2006). Genotoxic potential of respirable bentonite particles with different quartz contents and chemical modifications in human lung fibroblasts. Inhal Toxicol 18:405–12
   PubMed Web of Science ®Google Scholar
• Ghio A, Sangani R, Roggli V. (2014). Expanding the spectrum of particle-and fiber-associated interstitial lung diseases. Turk Toraks Derg 15:1–8
   Google Scholar
• Gibbs AR, Pooley FD. (1994). Fuller's earth (montmorillonite) pneumoconiosis. Occup Environ Med 51:644–6
   PubMed Web of Science ®Google Scholar
• Gomes CSF, Hernandez R, Sequeira MC, Silva JBP. (2009). Characterization of clays used for medicinal purposes in the archipelago of Cape Verde. Geochim Brasiliensis 23:315–31
   Google Scholar
• Gormley IP, Addison J. (1983). The in vitro cytotoxicity of some standard clay mineral dusts of respirable size. Clay Min 18:153–63
   Web of Science ®Google Scholar
• Gosselin RE, Hodge HC, Smith RP, Gleason MN. (1976). Clinical toxicology of commercial products. 4th edn. Baltimore: Williams and Wilkins, II–67
   Google Scholar
• Grim RE. (1950). Olmsted Fuller’s Earth as a bonding clay for foundry use. Circular 162, State of Illinois, Department of Registration and Education, Division of the State Geological Survey, Urbana, IL, 10pp. Available from: https://archive.org/download/olmstedfullersea162grim/olmstedfullersea162grim.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Grim RE, Güven N. (1978). Bentonites, geology, mineralogy, properties, and uses. New York, NY: Elsevier
   Google Scholar
• Gupta A, Amitabh V, Kumari B, Mishra B. (2013). XRF studies for chemical composition and molecular formula of Jharkhand bentonite. IOSR J Appl Chem 4:42–6
   Google Scholar
• Gupta G, Gardner W. (2005). Use of clay material (montmorillonite) for reducing poultry litter leachate toxicity (EC50). J Hazard Mater 118:81–3
   PubMed Web of Science ®Google Scholar
• Guthrie GD Jr. (1992). Biological effects of inhaled minerals. Am Mineral 77:225–43
   Web of Science ®Google Scholar
• Hall SK. (1997). Toxic responses of the lung. In: Hall SK, Chakraborty J, Ruch RJ (eds.) Chemical exposure and toxic responses. Boca Raton, FL: CRC Lewis Publishers, 77–102
   Google Scholar
• Hatch GE, Boykin E, Graham JA, et al. (1985). Inhalable particles and pulmonary host defense: in vivo and in vitro effects of ambient air and combustion particles. Environ Res 36:67–80
   PubMed Web of Science ®Google Scholar
• Hauser EA, Columbo U. (1953). Colloid science of montmorillonites and bentonites. Clays Clay Min 2:439–61
   Google Scholar
• Hawkins AB, Lawrence MS, Privett KD. (1986). Clay mineralogy and plasticity of the fuller’s earth formation Bath, UK. Clay Min 21:293–310
   Web of Science ®Google Scholar
• Health Council of the Netherlands (2007). Kaolin: Health based exposure limit. Available from: https://www.gezondheidsraad.nl/sites/default/files/200712OSH_1.pdf [Last accessed: 1 Aug 2016]
   Google Scholar
• Heathman JH. (1939). Bentonite in Wyoming. The geological survey of Wyoming, Bulletin, No. 28. Laramie, Wyoming: University of Wyoming, 22pp
   Google Scholar
• Hillier S, Lumsdon DG. (2008). Distinguishing opaline silica from cristobalite in bentonites: a practical procedure and perspective based on NaOH dissolution. Clay Min 43:477–86
   Web of Science ®Google Scholar
• Hosterman JW, Patterson SH. (1992). Bentonite and Fuller’s Earth Resources of the United States: a compilation on the uses, geology, mineralogy, and distribution of bentonite and fuller’s earth in the United States. US Geological Survey Professional paper 1522. US Government Printing Office, Washing DC, 50 pp. Available from: http://pubs.usgs.gov/pp/1522/report.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Houba R, Vlaanderen J, Jongen R, Kromhout H. (2009). Building an industry-wide occupational exposure database for respirable dust – experiences from the IMA Dust Monitoring Programme. J Phys 151:1–6
   Google Scholar
• Huang Y, Zhang M, Zou H, et al. (2013). Genetic damage and lipid peroxidation in workers occupationally exposed to organic bentonite particles. Mutat Res 751:40–4
   PubMed Web of Science ®Google Scholar
• Huvinen M, Uitti J, Oksa P, et al. (2002). Respiratory health effects of long-term exposure to different chromium species in stainless steel production. Occup Med 52:202–12
   Google Scholar
• Huwig A, Freimund S, Kappeli O, Dutler H. (2001). Mycotoxin detoxication of animal feed by different adsorbents. Toxicol Lett 122:179–88
   PubMed Web of Science ®Google Scholar
• Iborra CV, Cultrone G, Cerezo P, et al. (2006). Characterisation of northern Patagonian bentonites for pharmaceutical uses. Appl Clay Sci 31:272–81
   Web of Science ®Google Scholar
• Indresh HC, Devegowda G, Ruban SW, Shicakumar MC. (2013). Effects of high grade bentonite on performance, organ weights and serum biochemistry during aflatoxicosis in broilers. Vet World 6:313–17
   Google Scholar
• Industrial Injuries Advisory Council. (1988). Department of Health and Social Security, Social Security Act 1975, Bronchitis and Emphysema. London, UK: HMSO
   Google Scholar
• Inel O, Tumsek F. (2000). The measurement of surface area of some silicates by solution adsorption. Turk J Chem 24:9–19
   Web of Science ®Google Scholar
• Inglethorpe SDJ, Morgan DJ, Highley DE, Blodworth AJ. (1992). Industrial Minerals Laboratory Manual, Bentonite. Technical Report WG/93/20. Mineralogy and Petrology Series. Nottingham, UK: British Geological Survey, 125pp
   Google Scholar
• International Agency for Research on Cancer (IARC), (1987). Silica and some silicates. IARC Monograph 42. Lyon, France: IARC, 297pp
   Google Scholar
• International Agency for Research on Cancer (IARC), (2012). A review of human carcinogens: arsenic, metals, fibres, and dusts. IARC Monograph 100 C. Lyon, France: IARC, 355-406. Available from: http://monographs.iarc.fr/ENG/Monographs/vol100C/mono100C.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• James OO, Mesubi MA, Adekola FA, et al. (2008). Beneficiation and characterization of a bentonite from North-Eastern Nigeria. J. North Carolina Acad Sci 124:154–8
   Google Scholar
• Japan Society for Occupational Health, (2011). Recommendation of occupational exposure limits (2011–2012). J Occup Health 53:395–411
   Google Scholar
• Jaynes WF, Zartman RE. (2011). Aflatoxin toxicity reduction in feed by enhanced binding to surface-modified clay additives. Toxins 3:551–65
   PubMed Web of Science ®Google Scholar
• John W, Trollip D. (2009). National standards for drinking water treatment chemicals. Report to the Water Research Commission (WRC). WRC Report No. 1600/1/09, ISBN 978-1-77005-850-7, June 2009, Rietfontein, Pretoria, South Africa, 101. Available from: http://www.wrc.org.za/Knowledge%20Hub%20Documents/Research%20Reports/1600-1-09.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Karnland O. (2010). Chemical and mineralogical characterization of the bentonite buffer for the acceptance control procedure in a KBS-3 repository. Technical Report TR-10-60. Svensk Kärnbränslehantering AB, Swedish Nuclear Fuel and Waste Management Co. Stockholm, Sweden, 25pp. Available from: www.skb.se/upload/publications/pdf/TR-10-60.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Kaufholda S, Dohrmanna R, Klinkenberg M, et al. (2010). N(2)-BET specific surface area of bentonites. J Colloid Interface Sci 349:275–82
   PubMed Web of Science ®Google Scholar
• Kavakebi AA, Zahediasl S. (2000). Study of the effects of heamatide (sic), iron fume and bentonite on respiratory systems of the laburs (sic) working in a steel plant. J Urmia Univ Med Sci 11:1–12
   Google Scholar
• Kerr PF. (1932). Montmorillonite or smectite as constituents of fuller’s earth and bentonite. Am Mineral 17:192–8
   Google Scholar
• Koch D. (2008). European bentonites as alternatives to MX-80. Science & technology Series, No. 334 – Andra, 23–30
   Google Scholar
• Konta J. (1986). Textural variation and composition of bentonite derived from basaltic ash. Clays Clay Min 34:257–65
   Web of Science ®Google Scholar
• Kromhout H, Vlaanderen J, Houba R. (2013). Trends in exposure to respirable dust and quartz over a 12-year period in the industrial minerals industry. Main results of the IMA-Europe Harmonised Dust Monitoring Programme. Abstract and presentation at Inhaled Particles XI conference, 23–25 September 2013, Nottingham, UK. Available from: http://www.inhaledparticles.org.uk/files/2013/08/0099-H-Kromhout.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Kutlić A, Bedeković G, Sobota I. (2012). Bentonite processing. Rudarsko-Geološko-Naftni Zbornik 24:61–5
   Google Scholar
• Lee J-M, Shackelford D. (2005). Impact of bentonite quality on hydraulic conductivity of geosynthetic clay liners. J Geotech Geoenviron Eng 131:64–77
   Web of Science ®Google Scholar
• Lee YH, Kuo TF, Chen BY, et al. (2005). Toxicity assessment of Montmorillonite as a drug carrier for pharmaceutical applications: yeast and rats model. Biomed Eng 17:12–18
   Google Scholar
• Li J, Yao J, Li Y, Shao Y. (2012). Controlled release and retarded leaching of pesticides by encapsulating in carboxymethyl chitosan/bentonite composite gel. J Environ Sc. Health B 8:795–803
   Google Scholar
• Li XX, Zhang MB, Lu YZ, et al. (2010). Genotoxicity of organic bentonite particles in vitro [Article in Chinese]. Zhonghua Lao Dong Wei Sheng Zhi Bing Za Zhi 28:914–17
   PubMedGoogle Scholar
• Liang XW, Gan QF, Jin J, et al. (2013). Effects of mentonite on rat growth and organ microstructure. J Anim Vet Adv 12:664–70
   Google Scholar
• Lindemann MD, Blidgett DJ, Kornegay ET, Schurig GG. (1993). Potential ameliorators of aflatoxicosis in weanling/growing swine. J Anim Sci 71:171–8
   PubMed Web of Science ®Google Scholar
• Linos A, Petralias A, Christophi CA, et al. (2011). Oral ingestion of hexavalent chromium through drinking water and cancer mortality in an industrial area of Greece – an ecological study. Environ Health 10:50–8
   PubMed Web of Science ®Google Scholar
• López-Galindo A, Viseras C, Cerezo P. (2007). Compositional, technical and safety specifications of clays to be used as pharmaceutical and cosmetic products. Appl Clay Sci 36:51–63
   Web of Science ®Google Scholar
• Love RG, Waclawski ER, Maclaren WM, et al. (1999). Risks of respiratory disease in the heavy clay industry. Occup Environ Med 56:124–33
   PubMed Web of Science ®Google Scholar
• Lu YZ, Zhang MB, Li XX, et al. (2009). Comparative study of cytotoxicity induced by two kinds of bentonite particles in vitro [Article in Chinese]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 27:338–40
   PubMedGoogle Scholar
• MacDonald DMJ, Whitehead EJ, Butcher AS. (2001). Technical Report WD/00/35 Hydrology Series, Technical review leading to a conceptual model of the hydrogeology of the Combe Down area, Bath. Report prepared for Bath and North East Somerset Council, British Geological Survey report WD/00/35.Keyworth, UK, 60. Available from: http://nora.nerc.ac.uk/12705/1/WD00035.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Mahmoudi M, Adib-Hajbaghery M, Mahdi Mashaiekhi M. (2015). Comparing the effects of Bentonite & Calendula on the improvement of infantile diaper dermatitis: a randomized controlled trial. Indian J Med Res 142:742–6
   PubMed Web of Science ®Google Scholar
• Manafi M. (2012). Counteracting effect of high grade sodium bentonite during aflatoxicosis in broilers. J Agr Sci Tech 14:539–47
   Web of Science ®Google Scholar
• Marek J. (1981). Bentonite-induced rat paw oedema as a tool for simultaneous testing of prophylactic and therapeutic effects of anti-inflammatory and other drugs. Pharmazie 36:46–9
   PubMed Web of Science ®Google Scholar
• Marek J, Blaha V. (1982). Morphology of the bentonite and kaolin-induced rat-paw oedemas. Int J Tissue React 4:103–14
   PubMedGoogle Scholar
• Marks JG, Fowler JF, Sherertz EF, Rietschel RL. (1995). Prevention of poison ivy and poison oak allergic contact dermatitis by quaternium-18 bentonite. J Am Acad Dermatol 33:212–16
   PubMed Web of Science ®Google Scholar
• Maxim LD, Niebo R, McConnell EE. (2014). Perlite toxicology and epidemiology – a review. Inhal Toxicol 26:259–70
   PubMed Web of Science ®Google Scholar
• McNally WD, Trostler IS. (1941). Severe pneumoconiosis caused by inhalation of Fuller’s earth. J Ind Hyg Toxicol 23:118–26
   Google Scholar
• Meifang H, Beiyan M, Fangbai L, et al. (2003). Chemical composition of bentonites from various parts of China and differences among samples. Geology-Geochemistry 30:70–3
   Google Scholar
• Melichová Z, Hromada L. (2013). Adsorption of Pb2+ and Cu2+ ions from aqueous solutions on natural bentonite. Pol J Environ Stud 22:457–64
   Web of Science ®Google Scholar
• Melkonian AM, Agekjan FG, Muradjan SP. (1981). Problems of occupational hygiene in bentonite powder production. Gig Tr Prof Zabol 3:19–21 (in Russian)
   Google Scholar
• Miazzo R, Peralta MF, Magnoli C, et al. (2005). Efficacy of sodium bentonite as a detoxifier of broiler feed contaminated with aflatoxin and fumonisin. Poult Sci 84:1–8
   PubMed Web of Science ®Google Scholar
• Middleton EL. (1940). Silicosis. Proceedings of the international conference. Geneva: International Labour Office, 25, 134 (Studies and Reports, Series F [Industrial Hygiene], No. 17) [cited in McNally & Trostler, 1941]
   Google Scholar
• Mikhaĭlova-Docheva L, Buralkov T, Kolev K. (1986). Hygienic evaluation of the occupational risk in working with Bulgarian bentonite raw material [Article in Bulgarian]. Probl Khig 11:106–13
   PubMedGoogle Scholar
• Moll WF. (2001). Baseline studies of the clay minerals society source clays: geological origin. Clays Clay Min 49:374–80
   Web of Science ®Google Scholar
• Mugerwa S, Zziwa E, Kabirizi J. (2013). Effect of fortifying Aflatoxin-contaminated feeds with Ugandan bentonite on performance of broiler birds. App Sci Report 3:106–9
   Google Scholar
• Murphy EJ, Roberts E, Horrocks LA. (1993a). Aluminum silicate toxicity in cell cultures. Neuroscience 55:597–605
   PubMed Web of Science ®Google Scholar
• Murphy EJ, Roberts E, Anderson DK, Horrocks LA. (1993b). Cytotoxicity of aluminum silicates in primary neuronal cultures. Neuroscience 57:483–90
   PubMed Web of Science ®Google Scholar
• Murray HH. (2002). Industrial clays case study. March, 2004, Report No. 64, prepared for the Mining, Minerals, and Sustainable Development Branch of International Institute for Environment and Development (IIED). London, UK, 9pp. Available from: http://whitemudresources.com/public/Hayn%20Murray%20Clays%20Case%20Study.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Murray HH. (2005). Clay sorbents: the mineralogy, processing and applications. Acta Geodyn Geomater 2:131–8
   Google Scholar
• Musleh SM, Ahmad SA, Eldurini N. (2014). Removal of organic pollutants from aqueous solutions using natural and modified jordanian bentonite. Int J Recent Sci Res 5:996–1001
   Google Scholar
• National Institute for Occupational Safety and Health (NIOSH). (2002). Health effects of occupational exposure to respirable crystalline silica. Atlanta, Georgia: Department of Health and Human Services, Centers for Disease Control Prevention, National Institute for Occupational Safety and Health, 145
   Google Scholar
• National Library of Medicine (NLM), (2016). Bentonite. Located on TOXNET.com website hosted by the US National Library of Medicine. Available from: http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs±hsdb:@term±@DOCNO±392. [Last accessed: 29 Jul 2016]
   Google Scholar
• Nones J, Riella HG, Trentin AG, Nones J. (2015). Effects of bentonite on different cell types: a brief review. App Clay Sci 106:225–30
   Google Scholar
• Odom IE. (1984). Smectite clay minerals: properties and uses. Philos Trans Roy Soc A 311:391–409
   Web of Science ®Google Scholar
• Pappas AC, Tsiplakou E, Georgiadou M, et al. (2014). Bentonite binders in the presence of mycotoxins: results of in vitro preliminary tests and an in vivo broiler trial. App Clay Sci 99:48–53
   Web of Science ®Google Scholar
• Patel HA, Somani RS, Bajaj HC, Jasra RV. (2007). Synthesis and characterization of organic bentonite using Gujarat and Rajasthan clays. Curr Sci 92:1004–9
   Web of Science ®Google Scholar
• Petrova E. (2010). Clinico-functional, radiological changes, dose/effect correlations, diagnostics and prevention of pulmonary diseases in iron founders. J Clin Med 3:15–20
   Google Scholar
• Phibbs BP, Sundin RE, Mitchell RS. (1971). Silicosis in Wyoming bentonite workers. Am Rev Respir Dis 103:1–17
   PubMed Web of Science ®Google Scholar
• Phillips TD. (1999). Dietary clay in the chemoprevention of aflatoxin-induced disease. Toxicol Sci 52:118–26
   PubMed Web of Science ®Google Scholar
• Pocock KF, Waters EJ. (2006). Protein haze in bottled white wines: how well do stability tests and bentonite fining trials predict haze formation during storage and transport? Austral J Grape Wine Res 12:212–20
   Web of Science ®Google Scholar
• Pocock KF, Salazar FN, Waters EJ. (2011). The effect of bentonite fining at different stages of white winemaking on protein stability. Austral J Grape Wine Res 17:280–4
   Web of Science ®Google Scholar
• Public Health England, (2013). Chemical hazards and poisons report. London: Centre for Radiation, Chemical and Environmental Hazards, 58pp
   Google Scholar
• Que-Hee SS. (1989). Respirable/total dust and silica content in personal air sample in a non-ferrous foundry. Appl Ind Hyg 4:57–60
   Google Scholar
• Redding MR. (2013). Bentonite can decrease ammonia volatilisation losses from poultry litter: laboratory studies. Anim Production Sci 53:1115–18
   Web of Science ®Google Scholar
• Robinson A, Johnson NM, Strey A, et al. (2012). Calcium montmorillonite clay reduces urinary biomarkers of fumonisin B1 exposure in rats and humans. Food Addit Contam 29:809–18
   PubMed Web of Science ®Google Scholar
• Rodeheaver G, Pettry D, Turnbull V, et al. (1974). Identification of the wound infection-potentiating factors in soil. Am J Surg 128:8–14
   PubMed Web of Science ®Google Scholar
• Rombola G, Guardascione V. (1955). [Silicosis caused by bentonite] Article in Italian. Med Lav 46:480–97
   PubMedGoogle Scholar
• Romoser AA, Marroquin-Cardona A, Phillips TD. (2013). Managing risks associated with feeding aflatoxin contaminated feed. Proceedings of the Tri-State Dairy Nutritional Conference. Fort Wayne, Indiana, 2013 Apr. 23–24, pp. 35–50
   Google Scholar
• Rosa CAR, Miazzo R, Magnoli C, et al. (2001). Evaluation of the efficacy of bentonite from the South of Argentina to ameliorate the toxic effects of aflatoxin in broilers. Poult Sci 80:139–44
   PubMed Web of Science ®Google Scholar
• Sakula A. (1961). Pneumoconiosis due to Fuller's earth. Thorax 16:176–9
   PubMedGoogle Scholar
• Sampatakakis S, Linos A, Papadimitriou E, et al. (2013). Respiratory disease related mortality and morbidity on an island of Greece exposed to perlite and bentonite mining dust. Int J Environ Res Public Health 10:4982–95
   PubMed Web of Science ®Google Scholar
• Schreider JP, Culbertson MR, Raabe OG. (1985). Comparative pulmonary fibrogenic potential of selected particles. Environ Res 38:256–74
   PubMed Web of Science ®Google Scholar
• Searl A, Galea KS. (2011). Toxicological review of the possible effects associated with inhalation and dermal exposure to drilling fluid production streams. Edinburgh: Institute of Medicine
   Google Scholar
• Select Committee on GRAS Substances (SCOGS). (1977). Report #90, Bentonite GRAS review. Available from: http://www.accessdata.fda.gov/scripts/fcn/fcnDetailNavigation.cfm?rpt=scogsListing&id=35. [Last accessed: 1 Aug 2016]
   Google Scholar
• Sengco MR, Anderson DM. (2004). Controlling harmful algal blooms through clay flocculation. J Eukaryot Microbiol 51:169–72
   PubMed Web of Science ®Google Scholar
• Sharma AK, Schmidt B, Frandsen H, et al. (2010). Genotoxicity of unmodified and organo-modified montmorillonite. Mutat Res 700:18–25
   PubMed Web of Science ®Google Scholar
• Silva MA, Eyde DT. (1990). Mineral commodity report: Bentonite and fuller’s earth, 1990. Part 1 from the US Bureau of Mines Publication, Mineral Commodity Summaries, 1990. Sacramento, CA: U.S. Bureau of Mines, California Division of Mines and Geology, 49pp
   Google Scholar
• Stanković N, Logar M, Luković J, et al. (2011). Characterization of bentonite clay from “Greda” deposit. Process App Ceram 5:97–101
   Google Scholar
• Sunde M. (2012). Organic binder as a substitute for bentonite in ilmenite pelletization. Chemical Engineering and Biotechnology. Norwegian University of Science and Technology. Available from: http://www.diva-portal.org/smash/get/diva2:566311/FULLTEXT01.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Syafalni AR, Ismail A, Aimi I, Mohd N. (2013). Wastewater treatment using bentonite, the combinations of bentonite-zeolite, bentonite-alum, and bentonite-limestone as adsorbent and coagulant. Int J Env Sci 4:379–91
   Google Scholar
• Sykes SE, Morgan A, Evans JC, et al. (1982). Use of an in vivo test system to investigate the acute and sub-acute responses of the rat lung to mineral dusts. Ann Occup Hyg 26:593–605
   PubMed Web of Science ®Google Scholar
• Tang AM, Cui YJ. (2010). Effects of mineralogy on thermo-hydro-mechanical parameters of MX80 bentonite. J Rock Mech Geotech Eng 2:91–6
   Google Scholar
• Tateo F, Summa V. (2007). Element mobility in clays for healing use. App Clay Sci 36:64–76
   Web of Science ®Google Scholar
• Tátrai E, Adamis Z, Timár M, Ungváry G. (1983). Comparative histopathological and biochemical analysis of early stages of exposure to non-silicogenic aluminium silicate and strongly silicogenic quartz dusts in rats. Exp Pathol 23:163–71
   PubMedGoogle Scholar
• Tátrai E, Ungváry G, Adamis Z, Timár M. (1985). Short term in vivo method for prediction of the fibrogenic effect of different mineral dusts . Exp Pathol 28:111–18
   PubMedGoogle Scholar
• Teplitskiy A, Gee R, Kourmaev R. (2005). Application of physical-chemical properties of bentonite utilized in construction, as viewed through the TRIZ Prism. TRIZ Jl October 2005. Available from: https://doi.org/http://www.triz-journal.com/archives/2005/10/05.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Thieu NQ, Ogle B, Pettersson H. (2008). Efficacy of bentonite clay in ameliorating aflatoxicosis in piglets fed aflatoxin contaminated diets. Trop Anim Health Prod 40:649–56
   PubMed Web of Science ®Google Scholar
• Timár M, Kendrey G, Juhasz Z. (1966). Experimental observations concerning the effects of mineral dust to pulmonary tissue. Med Lav 57:1–9
   PubMedGoogle Scholar
• Timár M, Adamis Z, Ungváry G. (1979). Biological effects of mineral dusts. In vitro and in vivo studies. Arch Hig Rada Toksikol 30:871–4
   Google Scholar
• Timár M, Adamis Z, Tátrai E, Ungváry G. (1980). In vivo in vitro investigations on different dusts. In: Brown RC, Gormley IP, Chamberlain M, Davies R (eds.) The in vitro effects of mineral dusts. London: Academic Press, 319–22
   Google Scholar
• Tonning HO. (1949). Pneumoconiosis from fuller's earth; report of a case with autopsy findings. J Ind Hyg Toxicol 31:41–5
   PubMedGoogle Scholar
• Tornuk F, Hancer M, Yetim H. (2013). Health aspects of nanoclays used in nanocomposite food packaging materials. 59th International Congress of Meat Science and Technology, 18–23 August 2013, Izmir, Turkey, 4
   Google Scholar
• Trauger RJ. (1994). The structure, properties, and analysis of bentonite in geosynthetic clay liners. Proceedings of the 8th GRI Conference, Geosynthetic Resins, Formulations and Manufacturing, Conference, 1994 Dec 13–14; Drexel University, Philadelphia, PA, 16
   Google Scholar
• Trckova M, Matlova L, Dvorska L, Pavlik I. (2004). Kaolin, bentonite, and zeolites as feed supplements for animals: health advantages and risks. Vet Med (Czech) 49:389–99
   Web of Science ®Google Scholar
• Tzintzos S. (2013). Milos island: A sustainable case of mining and tourism. 6th International Conference of Sustainable Development in the Minerals Industry (SDIMI), 2013 Jun 20–Jul 13; Milos Island, Greece. Available from: http://www.sdimi.org/papers_2013/SDIMI_A1/2nd%20day/Milos%20island_A%20sustainable%20case%20of%20mining%20&%20tourism.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Tzu TW, Tsuritani T, Sato K. (2013). Sorption of PB(II), Cd(II), and Ni(II) toxic metal ions by alginate-bentonite. J. Environ Prot 4:51–5
   Google Scholar
• Uddin F. (2008). Clays, nanoclays, and montmorillonite minerals. Metallur Mat Trans A 29A:2804–14
   Google Scholar
• Ungváry G, Timár M, Tátrai E, et al. (1983). Analysis of aluminium-silicate storage foci in the lungs. Exp Pathol 23:203–14
   PubMedGoogle Scholar
• U.S. Environmental Protection Agency (USEPA). (1994). Emission factor documentation for AP-42, Section 11.25, Clay Processing, Final Report. Prepared for U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Emission Inventory Branch. EPA Contract 68-D2-0159, Work Assignment No. I-01, MRI Project No. 4601-01, August 10, 1994. USEPA, Washington, DC, 49 pp. Available from: http://www.epa.gov/ttnchie1/ap42/ch11/bgdocs/b11s25.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• U.S. Environmental Protection Agency (USEPA). (1995). AP 42, Fifth Edition, Volume I, Chapter 11: Mineral Products Industry, Section 11.25, Clay Processing. USEPA, Washington, DC, 21 pp. Available from: http://www.epa.gov/ttn/chief/ap42/ch11/final/c11s25.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Vallyathan V. (1994). Generation of oxygen radicals by minerals and its correlation to cytotoxicity. Env. Health Perspect 102:111–15
   PubMed Web of Science ®Google Scholar
• Vallyathan V, Schwegler D, Reasor M, et al. (1988). Comparative in vitro cytotoxicity and relative pathogenicity of mineral dusts. Ann Occup Hyg 32:279–89
   Google Scholar
• Van Dyke K, Patel S, Vallyathan V. (2003). Lucigenin chemiluminescence assay as an adjunctive tool for assessment of various stages of inflammation: a study of quiescent inflammatory cells. J Biosci 28:115–19
   PubMed Web of Science ®Google Scholar
• Virta R. (2013). Personal communication with Robert Virta, Robert Virta, Clays Specialist, U.S. Geological Survey, Reston, VA, 20192, 703-648-7726. December 11, 2013
   Google Scholar
• Wagner JC, McConnichie K, Gibbs AR, Pooley FD. (1998). Clay minerals and health. In: Parker A, Rae JE (eds). Environmental Interactions of Clays. Berlin, Heidelberg: Springer, 243–65
   Google Scholar
• Wang JS, Luo H, Billiam M, et al. (2005). Short-term safety evaluation of processed calcium montmorillonite clay (NovaSil) in humans. Food Addit Contam 22:270–9
   PubMed Web of Science ®Google Scholar
• Waters EJ, Alexander G, Muhlack R, et al. (2005). Preventing protein haze in bottled white wine. Austral J Grape Wine Res 11:215–25
   Web of Science ®Google Scholar
• Wendlandt RF, Harrison WJ, Vaughan DJ. (2007). Surface coatings on quartz grains in bentonites and their relevance to human health. App Geochem 22:2290–306
   Web of Science ®Google Scholar
• Wiles M, Huebner H, Afriyie-Gyawu E, et al. (2004). Toxicological evaluation and metal bioavailability in pregnant rats following exposure to clay minerals in the diet. J Toxicol Environ Health A 67:863–74
   PubMed Web of Science ®Google Scholar
• Williams JH, Phillips TD, Jolly PE, et al. (2004). Human aflatoxicosis in developing countries: a review of toxicology. Exposure, potential health consequences, and interventions. Am J Clin Nutr 80:1106–22
   PubMed Web of Science ®Google Scholar
• Williams LB, Haydel SE, Ferrell RE. Jr (2009). Bentonite, bandaids, and borborygmi. Elements (Que) 5:99–104
   PubMed Web of Science ®Google Scholar
• Wilson JW. (1953a). Nutritional deficiency produced in the mouse by feeding bentonite. J Natl Cancer Inst 14:57–63
   PubMedGoogle Scholar
• Wilson JW. (1953b). Hepatomas in mice on a diet containing bentonite. J Natl Cancer Inst 14:65–71
   PubMedGoogle Scholar
• Wilson JW. (1954). Hepatomas produced in mice by feeding betonite in the diet. Ann NY Acad Sci 57:678–86
   PubMed Web of Science ®Google Scholar
• Wilson J, Savage D, Bond A, Watson S, et al. (2011). Bentonite: a review of key properties, processes and issues for consideration in the UK context. Prepared by Quintessa Ltd., for NDA-RWMD. Project number QRS-1378ZG-1, Version 1.1, February 2011. Quintessa Ltd., Oxfordshire, UK, 145
   Google Scholar
• World Health Organization (WHO). (2005). Environmental Health Criteria 231. Bentonite, kaolin, and selected clay minerals. First draft prepared by Dr. Zoltán Adamis, József Fodor National Center for Public Health, National Institute of Chemical Safety, Budapest, Hungary; and Dr. Richard B. Williams, US Environmental Protection Agency, Washington, DC, and Regional Office for the Americas of the World Health Organization. World Health Organization, Geneva, 196pp. Available from: http://whqlibdoc.who.int/ehc/WHO_EHC_231.pdf. [Last accessed: 1 Aug 2016]
   Google Scholar
• Zhang M, Lu Y, Li X, et al. (2010). Studying the cytotoxicity and oxidative stress induced by two kinds of bentonite particles on human B lymphoblast cells in vitro. Chem Biol Interact 183:390–6
   PubMed Web of Science ®Google Scholar
• Zhang M, Li Z, Lu Y, et al. (2011). Studying the genotoxic effects induced by two kinds of bentonite particles on human B lymphoblast cells in vitro. Mutat Res 720:62–6
   PubMed Web of Science ®Google Scholar
• Zhansheng W, Chun L, Xifang S, et al. (2006). Characterization, acid activation and bleaching performance of bentonite from Xinjiang. Chin J Chem Eng 14:253–8
   Web of Science ®Google Scholar
• Zhou Y, Kuang Y, Li W, et al. (2013). A combination of bentonite-supported bimetallic Fe/Pd nanoparticles and biodegradation for the remediation of p-chlorophenol in wastewater. Chem Eng J 223:68–75
   Web of Science ®Google Scholar
• Zhuravlev FM, Merlin AV, Drozhilov A, et al. (1987). Replacement of bentonite by active lime in the production of iron-ore pellets. Metallurgist 31:71–3
   Web of Science ®Google Scholar