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Sarvamangala, H. ; Natarajan, K. A. ; Girisha, S. T. (2012) Biobeneficiation of iron ores International Journal of Mining Engineering and Mineral Processing, 1 (2). pp. 21-30. ISSN 2166-997X

Natarajan, K. A. ; Padukone, Usha S. (2012) Microbially induced separation of quartz from hematite using yeast cells and metabolites Minerals and Metallurgical Processing, 29 (2). pp. 81-87. ISSN 0747-9182

Usha Padukone, S. ; Natarajan, K. A. (2011) Microbially induced separation of quartz from calcite using Saccharomyces cerevisiae Colloids and Surfaces B: Biointerfaces, 88 (1). pp. 45-50. ISSN 0927-7765

Sarvamangala, H. ; Natarajan, K. A. (2011) Microbially induced flotation of alumina, silica/calcite from haematite International Journal of Mineral Processing, 99 (1-4). pp. 70-77. ISSN 0301-7516

Chandraprabha, M. N. ; Natarajan, K. A. (2011) Mechanism of arsenic tolerance and bioremoval of arsenic by Acidithiobacilus ferrooxidans Journal of Biochemical Technology, 3 (2). pp. 257-265. ISSN 0974-2328

Prakasan, M. R. Sabari ; Natarajan, K. A. (2010) Microbially induced separation of quartz from hematite using sulfate reducing bacteria Colloids and Surfaces B: Biointerfaces, 78 (2). pp. 163-170. ISSN 0927-7765

Devasia, Preston ; Natarajan, K. A. (2010) Adhesion of Acidithiobacillus ferrooxidans to mineral surfaces International Journal of Mineral Processing, 94 (3-4). pp. 135-139. ISSN 0301-7516

Chandraprabha, M. N. ; Somasundaran, P. ; Natarajan, K. A. (2010) Modeling and analysis of nanoscale interaction forces between Acidithiobacillus ferrooxidans and AFM tip Colloids and Surfaces B: Biointerfaces, 75 (1). pp. 310-318. ISSN 0927-7765

Chandraprabha, M. N. ; Natarajan, K. A. (2009) Imaging of acidithiobacillus ferrooxidans by AFM and analysis of AFM curves Advanced Materials Research, 71-73 . pp. 349-352. ISSN 1022-6680

Natarajan, K. A. (2009) Microbial aspects of acid generation and bioremediation with relevance to Indian mining Advanced Materials Research, 71-73 . pp. 645-648. ISSN 1022-6680

Sarvamangala, H. ; Natarajan, K. A. (2009) Microbially induced flotation of galena and quartz from pyrite Advanced Materials Research, 71-73 . pp. 509-512. ISSN 1022-6680

Chandraprabha, M. N. ; Modak, J. M. ; Natarajan, K. A. (2009) Soft-particle model analysis of effect of LPS on electrophoretic softness of Acidithiobacillus ferrooxidans grown in presence of different metal ions Colloids and Surfaces B: Biointerfaces, 69 (1). pp. 1-7. ISSN 0927-7765

Namita, Deo ; Purnendu, Deo ; Somasundaran, P. ; Natarajan, K. A. ; Puspendu, Deo (2009) Effects of substrates properties on bacterial adhesion The Open Biomaterials Journal . ISSN 1876-5025

Chandraprabha, M. N. ; Natarajan, K. A. (2009) Microbially induced mineral beneficiation Mineral Processing and Extractive Metallurgy Review, 31 (1). pp. 1-29. ISSN 0882-7508

Chandraprabha, M. N. ; Natarajan, K. A. (2009) Microbially-induced separation of arsenopyrite and bioremediation of arsenic Minerals & Metallurgical Processing, 26 (4). pp. 217-221. ISSN 0747-9182

Natarajan, K. A. (2008) Microbial aspects of acid mine drainage and its bioremediation Transactions of Nonferrous Metals Society of China, 18 (6). pp. 1352-1360. ISSN 1003-6326

Patra, Partha ; Natarajan, K. A. (2008) Microbially-induced separation of chalcopyrite and galena Minerals Engineering, 21 (10). pp. 691-698. ISSN 0892-6875

Patra, Partha ; Natarajan, K. A. (2008) Role of mineral specific bacterial proteins in selective flocculation and flotation International Journal of Mineral Processing, 88 (1-2). pp. 53-58. ISSN 0301-7516

Sarvamangala, H. ; Gopal, J. ; Muraleedharan, P. ; George, R. P. ; Dayal, R. K. ; Natarajan, K. A. (2008) Biomineralization of manganese by Bacillus spp. isolated from a marine biofilm Minerals and Metallurgical Processing, 25 (3). pp. 149-155. ISSN 0747-9182

Gopal, Judy ; Muraleedharan, P. ; Sarvamangala, H. ; George, R. P. ; Dayal, R. K. ; Tata, B. V. R. ; Khatak, H. S. ; Natarajan, K. A. (2008) Biomineralisation of manganese on titanium surfaces exposed to seawater Biofouling, 24 (4). pp. 275-282. ISSN 0892-7014

Gopal, Judy ; Muraleedharan, P. ; George, R. P. ; Sarvamangala, H. ; Kalaichelvan, P. T. ; Khatak, H. S. ; Natarajan, K. A. (2007) Morphological differentiation observed in manganese oxidizing bacterial colonies National Academy Science Letters, 30 (11-12). pp. 371-375. ISSN 0250-541X

Radhika, V. ; Subramanian, S. ; Natarajan, K. A. (2006) Bioremediation of zinc using Desulfotomaculum nigrificans: bioprecipitation and characterization studies Water Research, 40 (19). pp. 3628-3636. ISSN 0043-1354

Chandraprabha, M. N. ; Natarajan, K. A. (2006) Surface chemical and flotation behaviour of chalcopyrite and pyrite in the presence of Acidithiobacillus thiooxidans Hydrometallurgy, 83 (1-4). pp. 146-152. ISSN 0304-386X

Patra, Partha ; Natarajan, K. A. (2006) Surface chemical studies on selective separation of pyrite and galena in the presence of bacterial cells and metabolic products of Paenibacillus polymyxa Journal of Colloid and Interface Science, 298 (2). pp. 720-729. ISSN 0021-9797

Natarajan, K. A. ; Subramanian, S. ; Braun, Jean-Jacques (2006) Environmental impact of metal mining-biotechnological aspects of water pollution and remediation-an Indian experience Journal of Geochemical Exploration, 88 (1-3). pp. 45-48. ISSN 0375-6742

Natarajan, K. A. (2006) Biotechnology for metal extraction, mineral beneficiation and environmental control Proceedings of the International Seminar on Mineral Processing Technology . pp. 68-81.

Mukherjee, Amitava ; Raichur, Ashok M. ; Modak, Jayant M. ; Natarajan, K. A. (2005) Dissolution of Cu, Co and Ni from ocean nodules by L-ascorbic acid Chemical Engineering and Processing, 44 (7). pp. 754-759. ISSN 0255-2701

Somasundaran, P. ; Deo, Namita ; Deo, Puspendu ; Natarajan, K. A. (2005) Role of biopolymers on bacterial adhesion and mineral beneficiation Minerals and Metallurgical Processing, 22 (1). pp. 1-11. ISSN 0747-9182

Chandraprabha, M. N. ; Natarajan, K. A. ; Somasundaran, P. (2005) Selective separation of pyrite from chalcopyrite and arsenopyrite by biomodulation using Acidithiobacillus ferrooxidans International Journal of Mineral Processing, 75 (1-2). pp. 113-122. ISSN 0301-7516

Patra, Partha ; Natarajan, K. A. (2004) Microbially induced flocculation and flotation for separation of chalcopyrite from quartz and calcite International Journal of Mineral Processing, 74 (1-4). pp. 143-155. ISSN 0301-7516

Chandraprabha, M. N. ; Natarajan, K. A. ; Modak, Jayant M. (2004) Selective separation of pyrite and chalcopyrite by biomodulation Colloids and Surfaces B: Biointerfaces, 37 (3-4). pp. 93-100. ISSN 0927-7765

Chandraprabha, M. N. ; Natarajan, K. A. ; Somasundaran, P. (2004) Selective separation of arsenopyrite from pyrite by biomodulation in the presence of Acidithiobacillus ferrooxidans Journal of Colloid and Interface Science, 276 (2). pp. 323-332. ISSN 0021-9797

Devasia, Preston ; Natarajan, K. A. (2004) Bacterial leaching: biotechnology in the mining industry Resonance - Journal of Science Education, 9 (8). pp. 27-34. ISSN 0971-8044

Patra, Partha ; Natarajan, K. A. (2004) Microbially induced flotation and flocculation of pyrite and sphalerite Colloids and Surfaces B: Biointerfaces, 36 (2). pp. 91-99. ISSN 0927-7765

Mukherjee, Amitava ; Raichur, Ashok M. ; Modak, Jayant M. ; Natarajan, K. A. (2004) Bioprocessing of polymetallic Indian ocean nodules using a marine isolate Hydrometallurgy, 73 (3-4). pp. 205-213. ISSN 0304-386X

Mukherjee, Amitava ; Raichur, Ashok M. ; Modak, Jayant M. ; Natarajan, K. A. (2004) Exploring process options to enhance metal dissolution in bioleaching of Indian ocean nodules Journal of Chemical Technology & Biotechnology, 79 (5). pp. 512-517. ISSN 0268-2575

Mukherjee, Amitava ; Raichur, Ashok M. ; Modak, Jayant M. ; Natarajan, K. A. (2004) Mechanisms for solubilization of cobalt, copper and nickel from Indian ocean nodules at near neutral pH by a marine isolate Journal of Industrial Microbiology and Biotechnology, 31 (10). pp. 462-468. ISSN 1367-5435

Partha, Patra ; Natarajan, K. A. (2004) Microbially enhanced removal of pyrite and chalcopyrite from oxide gangue minerals with reference to desulfurization of tailings Minerals and Metallurgical Processing, 21 (4). pp. 169-178. ISSN 0747-9182

Mukherjee, Amitava ; Raichur, Ashok M. ; Natarajan, K. A. ; Modak, Jayant M. (2004) Recent developments in processing Ocean manganese nodules-a critical review Mineral Processing and Extractive Metallurgy Review, 25 (2). pp. 91-127. ISSN 0882-7508

Patra, P. ; Natarajan, K. A. (2003) Microbially-induced flocculation and flotation for pyrite separation from oxide gangue minerals Minerals Engineering, 16 (10). pp. 965-973. ISSN 0892-6875

Chockalingam, Evvie ; Subramanian, S. ; Natarajan, K. A. (2003) Studies on biodegradation of organic flotation collectors using Bacillus polymyxa Hydrometallurgy, 71 (1-2). pp. 249-256. ISSN 0304-386X

Natarajan, K. A. ; Das, A. (2003) Surface chemical studies on 'Acidithiobacillus' group of bacteria with reference to mineral flocculation International Journal of Mineral Processing, 72 (1-4). pp. 189-198. ISSN 0301-7516

Subramanian, S. ; Santhiya, D. ; Natarajan, K. A. (2003) Surface modification studies on sulphide minerals using bioreagents International Journal of Mineral Processing, 72 (1-4). pp. 175-188. ISSN 0301-7516

Mukherjee, A. ; Raichur, A. M. ; Modak, J. M. ; Natarajan, K. A. (2003) Bio-processing of Indian ocean nodules using a marine isolate-effect of organics Minerals Engineering, 16 (7). pp. 651-657. ISSN 0892-6875

Chandraprabha, M. N. ; Modak, Jayant M. ; Natarajan, K. A. ; Raichur, Ashok M. (2003) Modeling and analysis of biooxidation of gold bearing pyrite-arsenopyrite concentrates by Thiobacillus ferrooxidans Biotechnology Progress, 19 (4). pp. 1244-1254. ISSN 8756-7938

Mukherjee, Amitava ; Raichur, Ashok M. ; Modak, Jayant M. ; Natarajan, K. A. (2003) Solubilization of cobalt from ocean nodules at neutral pH-a novel bioprocess Journal of Industrial Microbiology & Biotechnology, 30 (10). pp. 606-612. ISSN 1367-5435

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. (2002) Surface chemical studies on sphalerite and galena using extracellular polysaccharides isolated from Bacillus polymyxa Journal of Colloid and Interface Science, 256 (2). pp. 237-248. ISSN 0021-9797

Chandraprabha, M. N. ; Modak, J. M. ; Natarajan, K. A. ; Raichur, A. M. (2002) Strategies for efficient start-up of continuous biooxidation process for refractory gold ores Minerals Engineering, 15 (10). pp. 751-753. ISSN 0892-6875

Kumari, A. ; Natarajan, K. A. (2002) Electrochemical aspects of leaching of ocean nodules in the presence and absence of microorganisms International Journal of Mineral Processing, 66 (1-4). pp. 29-47. ISSN 0301-7516

Kumari, Abha ; Natarajan, K. A. (2002) Cathodic reductive dissolution and surface adsorption behavior of ocean manganese nodules Hydrometallurgy, 64 (3). pp. 247-255. ISSN 0304-386X

Kumari, Abha ; Natarajan, K. A. (2002) Development of a clean bioelectrochemical process for leaching of ocean manganese nodules Minerals Engineering, 15 (1-2). pp. 103-106. ISSN 0892-6875

Kumari, Abha ; Natarajan, K. A. (2002) Electrochemical processing of ocean manganese nodules with microbial enhancement to recover valuable metals Minerals and Metallurgical Processing, 19 (3). pp. 137-147. ISSN 0747-9182

Kumari, Abha ; Natarajan, K. A. (2001) Electrobioleaching of polymetallic ocean nodules Hydrometallurgy, 62 (2). pp. 125-134. ISSN 0304-386X

Kumari, A. ; Natarajan, K. A. (2001) Electroleaching of polymetallic ocean nodules to recover copper, nickel and cobalt Minerals Engineering, 14 (8). pp. 877-886. ISSN 0892-6875

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. ; Rao, K. Hanumantha ; Forssberg, K. S. E. (2001) Bio-modulation of galena and sphalerite surfaces using Thiobacillus thiooxidans International Journal of Mineral Processing, 62 (1-4). pp. 121-141. ISSN 0301-7516

Deo, Namita ; Natarajan, K. A. ; Somasundaran, P. (2001) Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum and quartz International Journal of Mineral Processing, 62 (1-4). pp. 27-39. ISSN 0301-7516

Natarajan, K. A. ; Deo, Namita (2001) Role of bacterial interaction and bioreagents in iron ore flotation International Journal of Mineral Processing, 62 (1-4). pp. 143-157. ISSN 0301-7516

Vasan, S. S. ; Modak, Jayant M. ; Natarajan, K. A. (2001) Some recent advances in the bioprocessing of bauxite International Journal of Mineral Processing, 62 (1-4). pp. 173-186. ISSN 0301-7516

Sharma, P. K. ; Rao, K. Hanumantha ; Forssberg, K. S. E. ; Natarajan, K. A. (2001) Surface chemical characterisation of Paenibacillus polymyxa before and after adaptation to sulfide minerals International Journal of Mineral Processing, 62 (1-4). pp. 3-25. ISSN 0301-7516

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. (2001) Surface chemical studies on sphalerite and galena using Bacillus polymyxa: I. Microbially induced mineral separation Journal of Colloid and Interface Science, 235 (2). pp. 289-297. ISSN 0021-9797

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. (2001) Surface chemical studies on sphalerite and galena using Bacillus polymyxa: II. Mechanisms of microbe-mineral interactions Journal of Colloid and Interface Science, 235 (2). pp. 298-309. ISSN 0021-9797

Kumari, A. ; Natarajan, K. A. (2001) Bioleaching of ocean manganese nodules in the presence of reducing agents European Journal of Mineral Processing and Environmental Protection, 1 . pp. 10-24. ISSN 1303-0868

Natarajan, K. A. (2001) Biotechnological innovations in nonferrous extraction Chemical Technology, 6 . pp. 19-24. ISSN 1744-1560

Natarajan, K. A. (2001) Biotechnological innovations in nonferrous extraction Chemical Technology, 7 . pp. 11-14. ISSN 1744-1560

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. (2000) Surface chemical studies on galena and sphalerite in the presence of Thiobacillus thiooxidans with reference to mineral beneficiation Minerals Engineering, 13 (7). pp. 747-763. ISSN 0892-6875

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. ; Malghan, S. G. (2000) Surface chemical studies on alumina suspensions using ammonium poly(methacrylate) Colloids and Surfaces A: Physicochemical and Engineering Aspects, 164 (2-3). pp. 143-154. ISSN 0927-7757

Deshpande, R. J. ; Natarajan, K. A. (1999) Studies on grinding media wear and its effect on flotation of ferrugenous phosphate ore Minerals Engineering, 12 (9). pp. 1119-1125. ISSN 0892-6875

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. ; Malghan, S. G. (1999) Surface chemical studies on the competitive adsorption of poly(acrylic acid) and poly(vinyl alcohol) onto alumina Journal of Colloid and Interface Science, 216 (1). pp. 143-153. ISSN 0021-9797

Santhiya, D. ; Subramanian, S. ; Natarajan, K. A. ; Malghan, S. G. (1999) Adsorption and electrokinetic studies on alumina suspensions using poly(vinyl alcohol) Minerals & Metallurgical Processing, 16 (2). pp. 51-55. ISSN 0747-9182

Deo, Namita ; Natarajan, K. A. (1998) Studies on interaction of Paenibacillus polymyxa with iron ore minerals in relation to beneficiation International Journal of Mineral Processing, 55 (1). pp. 41-60. ISSN 0301-7516

Deo, N. ; Natarajan, K. A. (1998) Biological removal of some flotation collector reagents from aqueous solutions and mineral surfaces Minerals Engineering, 11 (8). pp. 717-738. ISSN 0892-6875

Selvi, S. C. ; Modak, J. M. ; Natarajan, K. A. (1998) Electrobioleaching of sphalerite flotation concentrate Minerals Engineering, 11 (8). pp. 783-788. ISSN 0892-6875

Santhiya, D. ; Nandini, G. ; Subramanian, S. ; Natarajan, K. A. ; Malghan, S. G. (1998) Effect of polymer molecular weight on the absorption of polyacrylic acid at the alumina-water interface Colloids and Surfaces A: Physicochemical and Engineering Aspects, 133 (1-2). pp. 157-163. ISSN 0927-7757

Sekhar, K. Chandra ; Subramanian, S. ; Modak, J. M. ; Natarajan, K. A. (1998) Removal of metal ions using an industrial biomass with reference to environmental control International Journal of Mineral Processing, 53 (1-2). pp. 107-120. ISSN 0301-7516

Deo, Namita ; Natarajan, K. A. (1998) Biodegradation of some organic flotation reagents by Bacillus polymyxa Bioremediation Journal, 2 (3-4). pp. 205-214. ISSN 1088-9868

Chirpa Selvi, S. ; Natarajan, K. A. (1998) Electrobioleaching: a novel concept for processing complex sulphide ores Transactions of the Indian Institute of Metals, 51 (1). pp. 17-26. ISSN 0972-2815

Das, Amitabha ; Modak, Jayant M. ; Natarajan, K. A. (1998) Surface chemical studies of Thiobacillus ferrooxidans with reference to copper tolerance Antonie van Leeuwenhoek, 73 (3). pp. 215-222. ISSN 0003-6072

Natarajan, K. A. (1998) An integrated biotechnological approach to gold processing-an Indian experience Mineral Processing and Extractive Metallurgy Review, 19 (1). pp. 235-251. ISSN 0882-7508

Das, Kalyan K. ; Pradip, ; Natarajan, K. A. (1997) The effect of constituent metal ions on the electrokinetics of chalcopyrite Journal of Colloid and Interface Science, 196 (1). pp. 1-11. ISSN 0021-9797

Deo, Namita ; Natarajan, K. A. (1997) Interaction of Bacillus polymyxa with some oxide minerals with reference to mineral beneficiation and environmental control Minerals Engineering, 10 (12). pp. 1339-1354. ISSN 0892-6875

Mirajkar, Yelloji Rao K. ; Natarajan, K. A. ; Somasundaran, P. (1997) Growth and attachment of Thiobacillus ferrooxidans during sulfide mineral leaching International Journal of Mineral Processing, 50 (3). pp. 203-210. ISSN 0301-7516

Das, A. ; Modak, J. M. ; Natarajan, K. A. (1997) Studies on multi-metal ion tolerance of Thiobacillus ferrooxidans Minerals Engineering, 10 (7). pp. 743-749. ISSN 0892-6875

Namita, Deo ; Natarajan, K. A. (1997) Biosurface modification and beneficiation of some oxide minerals using Bacillus polymyxa Minerals and Metallurgical Processing, 14 . pp. 32-39. ISSN 0747-9182

Deshpande, R. J. ; Natarajan, K. A. ; Kittur, S. G. ; Rao, T. R. R. (1997) Reverse flotation of silica from Kudremukh iron ore. 2. Optimization of flotation process Transactions of the Indian Institute of Metals, 50 (5). pp. 397-402. ISSN 0972-2815

Deshpande, R. J. ; Natarajan, K. A. ; Kittur, S. G. ; Rao, T. R. R. (1997) Reverse flotation of silica from Kudremukh iron ore. I. Selection of cationic reagents Transactions of the Indian Institute of Metals, 50 (5). pp. 391-396. ISSN 0972-2815

Natarajan, K. A. ; Modak, J. M. ; Anand, P. (1997) Some microbiological aspects of bauxite mineralization and beneficiation Minerals and Metallurgical Processing, 14 (2). pp. 47-53. ISSN 0747-9182

Anand, Phalguni ; Modak, Jayant M. ; Natarajan, K. A. (1996) Biobeneficiation of bauxite using Bacillus polymyxa: calcium and iron removal International Journal of Mineral Processing, 48 (1-2). pp. 51-60. ISSN 0301-7516

Karan, Goutam ; Natarajan, K. A. ; Modak, J. M. (1996) Estimation of mineral-adhered biomass of Thiobacillus ferrooxidans by protein assay-some problems and remedies Hydrometallurgy, 42 (2). pp. 169-175. ISSN 0304-386X

Modak, Jayant M. ; Natarajan, K. A. ; Mukhopadhyay, Sanghamitra (1996) Development of temperature-tolerant strains of Thiobacillus ferrooxidans to improve bioleaching kinetics Hydrometallurgy, 42 (1). pp. 51-61. ISSN 0304-386X

Natarajan, K. A. (1996) Laboratory studies on ball wear in the grinding of a chalcopyrite ore International Journal of Mineral Processing, 46 (3-4). pp. 205-213. ISSN 0301-7516

Devasia, P. ; Natarajan, K. A. ; Rao, G. R. (1996) Role of bacterial growth conditions and adhesion in the bioleaching of chalcopyrite by Thiobacillus ferrooxidans Minerals and Metallurgical Processing, 13 (2). pp. 82-86. ISSN 0747-9182

Modak , J. M. ; Natarajan, K. A. (1996) Biosorption of copper and zinc using waste fungal biomass Minerals and Metallurgical Processing . p. 52. ISSN 0747-9182

Pramila, T. ; Ramananda Rao, G. ; Natarajan, K. A. ; Durga Rao, C. (1996) Differential influence of ions on the copy number of plasmids in Thiobacillus ferrooxidans Current Microbiology, 32 (2). pp. 57-63. ISSN 0343-8651

Modak, J. M. ; Natarajan, K. A. (1995) Biosorption of metals using nonliving biomass-a review Minerals and Metallurgical Processing, 12 (4). pp. 189-196. ISSN 0747-9182

Mukhopadhyay, Sanghamitra ; Natarajan, K. A. (1995) Growth and development of Thiobacillus ferrooxidans for engineering applications Sadhana (Academy Proceedings in Engineering Sciences), 20 (5). pp. 851-869. ISSN 0256-2499

Natarajan, K. A. (1994) Biological processing of refractory gold ores Journal of Mines, Metals and Fuels, 42 (4). pp. 325-332. ISSN 0022-2755

Balakrishnan, Mini ; Modak, Jayant M. ; Natarajan, K. A. ; Gururaj Naik, J. S. (1994) Biological uptake of precious and base metals from gold-process cyanide effluents Minerals and Metallurgical Processing, 11 (4). pp. 197-202. ISSN 0747-9182

Natarajan, K. A. ; Deshpande, R. J. (1994) Ball wear mechanisms and control in the grinding of sulfide and phosphate ores Metals Materials and Processes, 6 (3). pp. 163-170. ISSN 0970-423X

Natarajan, K. A. ; Sudeesha, K. ; Rao, G. Ramananda (1994) Stability of copper tolerance in Thiobacillus ferrooxidans Antonie van Leeuwenhoek, 66 (4). pp. 303-306. ISSN 0003-6072

Natarajan, K. A. (1993) Biotechnology in gold processing Bulletin of Materials Science, 16 (6). pp. 501-508. ISSN 0250-4707

Devasia, Preston ; Natarajan, K. A. ; Sathyanarayana, D. N. ; Rao, G. Ramananda (1993) Surface chemistry of Thiobacillus ferrooxidans relevant to adhesion on mineral surfaces Applied and Environmental Microbiology, 59 (12). pp. 4051-4055. ISSN 0099-2240

Devasia, Preston ; Natarajan, K. A. ; Sathyanarayana, D. N. ; Ramananda Rao, G. (1993) Surface properties of Thiobacillus ferrooxidans and its adhesion to mineral surfaces Applied and Environmental Microbiology, 59 (12). pp. 4051-4055. ISSN 0099-2240

Balakrishnan, Mini ; Mini, B. G. ; Natarajan, K. A. ; Shankara Gowda, M. ; Gururaj Naik, J. S. (1993) Bioleaching of a sulphidic gold bearing ore for enhanced gold recovery Metals Materials and Processes, 5 . pp. 33-42. ISSN 0970-423X

Natarajan, K. A. (1992) Bioleaching of sulphides under applied potentials Hydrometallurgy, 29 (1-3). pp. 161-172. ISSN 0304-386X

Natarajan, K. A. (1992) Effect of applied potentials on the activity and growth of Thiobacillus ferrooxidans Biotechnology and Bioengineering, 39 (9). pp. 907-913. ISSN 0006-3592

Natarajan, K. A. (1992) Electrobioleaching of base metal sulfides Metallurgical and Materials Transactions B, 23 (1). pp. 5-11. ISSN 1073-5615

Natarajan, K. A. (1992) Ball wear and its control in the grinding of a lead-zinc sulphide ore International Journal of Mineral Processing, 34 (1-2). pp. 161-175. ISSN 0301-7516

Natarajan, K. A. (1992) Bioprocessing for enhanced gold recovery Mineral Processing and Extractive Metallurgy Review, 8 (1-4). pp. 143-153. ISSN 0882-7508

Yelloji Rao, M. K. ; Natarajan, K. A. ; Somasundaran, P. (1992) Effect of bio-treatment with Thiobacillus ferrooxidans on the flotability of sphalerite and galena Minerals and Metallurgical Processing, 9 . pp. 95-100. ISSN 0747-9182

Murthy, K. S. N. ; Natarajan, K. A. (1992) The role of surface attachment of Thiobacillus ferrooxidans on the biooxidation of pyrite Minerals and Metallurgical Processing, 9 . pp. 20-24. ISSN 0747-9182

Chandrasekaran, T. ; Natarajan, K. A. ; Kishore, (1991) Influence of microstructure on the wear of grinding media Wear, 147 (2). pp. 267-274. ISSN 0043-1648

Yelloji Rao, M. K. ; Natarajan, K. A. (1991) Factors influencing ball wear and flotation with respect to ore grinding Mineral Processing and Extractive Metallurgy Review, 7 (3-4). pp. 137-173. ISSN 0882-7508

Subramanian, S. ; Natarajan, K. A. (1991) Flocculation, filtration and selective flocculation studies on haematite ore fines using starch Minerals Engineering, 4 (5-6). pp. 587-598. ISSN 0892-6875

Shrihari, ; Kumar, R. ; Gandhi, K. S. ; Natarajan, K. A. (1991) Role of cell attachment in leaching of chalcopyrite mineral by Thiobacillus ferrooxidans Applied Microbiology and Biotechnology, 36 (2). pp. 278-282. ISSN 0175-7598

Ravikiran, A. ; Natarajan, K. A. ; Biswas, S. K. ; Pramila Bai, B. N. (1990) Erosion studies on hyper steel and high chrome cast iron Wear, 141 (1). pp. 85-94. ISSN 0043-1648

Rao, M. K. Yelloji ; Natarajan, K. A. (1990) Effect of electrochemical interactions among sulphide minerals and grinding medium on the flotation of sphalerite and galena International Journal of Mineral Processing, 29 (3-4). pp. 175-194. ISSN 0301-7516

Gundewar, C. S. ; Natarajan, K. A. ; Nayak, U. B. ; Satyanarayana, K. (1990) Laboratory studies on ball wear in the grinding of a hematite-magnetite ore International Journal of Mineral Processing, 29 (1-2). pp. 121-139. ISSN 0301-7516

Gundewar, C. S. ; Natarajan, K. A. ; Nayak, U. B. ; Satyanarayana, K. (1990) Studies on ball wear in the grinding of Kudremukh hematite-magnetite ore Minerals Engineering, 3 (1-2). pp. 207-220. ISSN 0892-6875

Jyothi, N. ; Sudha, K. N. ; Natarajan, K. A. (1989) Electrochemical aspects of selective bioleaching of sphalerite and chalcopyrite from mixed sulphides International Journal of Mineral Processing, 27 (3-4). pp. 189-203. ISSN 0301-7516

Rao, M. K. Yelloji ; Natarajan, K. A. (1989) Electrochemical effects of mineral-mineral interactions on the flotation of chalcopyrite and sphalerite International Journal of Mineral Processing, 27 (3-4). pp. 279-293. ISSN 0301-7516

Rao, M. K. Yelloji ; Natarajan, K. A. (1989) Effect of galvanic interaction between grinding media and minerals on sphalerite flotation International Journal of Mineral Processing, 27 (1-2). pp. 95-109. ISSN 0301-7516

Vathsala, ; Natarajan, K. A. (1989) Some electrochemical aspects of grinding media corrosion and sphalerite International Journal of Mineral Processing, 26 (3-4). pp. 193-203. ISSN 0301-7516

Kumar, K. Udaya ; Gundappa, Pradeep ; Bai, B. N. Pramila ; Natarajan, K. A. ; Biswas, S. K. (1989) Laboratory studies on the wear of grinding media Tribology International, 22 (3). pp. 219-225. ISSN 0301-679X

Subramanian, S. ; Natarajan, K. A. (1989) Adsorption behaviour of an oxidised starch onto haematite in the presence of calcium Minerals Engineering, 2 (1). pp. 55-64. ISSN 0892-6875

Yelloji Rao, M. K. ; Natarajan, K. A. (1989) Electrochemical aspects of sphalerite dissolution in the presence and absence of chalcopyrite Minerals and Metallurgical Processing, 6 . pp. 29-35. ISSN 0747-9182

Subramanian, S. ; Natarajan, K. A. ; Sathyanarayana, D. N. (1989) FTIR spectroscopic studies on the adsorption of an oxidized starch on some oxide minerals Minerals and Metallurgical Processing, 6 (3). pp. 152-158. ISSN 0747-9182

Brahmaprakash, G. P. ; Devasia, Preston ; Jagadish, K. S. ; Natarajan, K. A. ; Rao, G. Ramananda (1988) Development of Thiobacillus ferrooxidans ATCC 19859 strains tolerant to copper and zinc Bulletin of Materials Science, 10 (5). pp. 461-465. ISSN 0250-4707

Rao, M. K. Yelloji ; Natarajan, K. A. (1988) Electrochemical aspects of grinding media-mineral interaction on sulphide flotation Bulletin of Materials Science, 10 (5). pp. 411-422. ISSN 0250-4707

Iwasaki, I. ; Pozzo, R. L. ; Natarajan, K. A. ; Adam, K. ; Orlich, J. N. (1988) Nature of corrosive and abrasive wear in ball mill grinding International Journal of Mineral Processing, 22 (1-4). pp. 345-360. ISSN 0301-7516

Rao, M. K. Yelloji ; Natarajan, K. A. (1988) Influence of galvanic interaction between chalcopyrite and some metallic materials on flotation Minerals Engineering, 1 (4). pp. 281-294. ISSN 0892-6875

Subramanian, S. ; Natarajan, K. A. (1988) Some studies on the adsorption behaviour of an oxidised starch onto haematite Minerals Engineering, 1 (3). pp. 241-254. ISSN 0892-6875

Subramanian, S. ; Natarajan, K. A. (1988) Zeta potential studies on some iron ore minerals in the presence of starches Transactions of the Indian Institute of Metals, 41 (3). pp. 255-263. ISSN 0972-2815

Bhat, K. L. ; Natarajan, K. A. ; Ramachandran, T. (1987) Electroleaching of zinc leach residues Hydrometallurgy, 18 (3). pp. 287-303. ISSN 0304-386X

Bhat, K. L. ; Natarajan, K. A. (1987) Recovery of zinc from leach residues-problems and developments Transactions of the Indian Institute of Metals, 40 (4). pp. 361-372. ISSN 0972-2815

Mandre, N. R. ; Natarajan, K. A. (1987) Environmental aspects of bacterial oxidation with respect to the mining and processing of some sulfide minerals Transactions of the Indian Institute of Metals, 40 (2). pp. 128-136. ISSN 0972-2815

Mandre, N. R. ; Natrajan, K. A. (1987) Selective flocculation of sulfides with reference to environmental control Transactions of the Indian Institute of Metals, 40 (5). pp. 373-381. ISSN 0972-2815

Subramanian, S. ; Natarajan, K. A. (1987) Selective flocculation studies on iron ore minerals Transactions of the Indian Institute of Metals, 40 (6). pp. 489-496. ISSN 0972-2815

Bhat, K. L. ; Natarajan, K. A. ; Ramachandran, T. (1986) Electrochemical aspects of dissolution of zinc ferrites Transactions of the Indian Institute of Metals, 39 (5). pp. 454-460. ISSN 0972-2815

Yelloji Rao, M. K. ; Natarajan, K. A. (1986) Electrochemical aspects of leaching of mixed sulphide minerals Transactions of the Indian Institute of Metals, 39 . pp. 568-574. ISSN 0019-493X

Rao, M. ; Yelloji, K. ; Natarajan, K. A. (1986) Electrochemical behaviour of sulphide minerals under open circuit conditions Transactions of the Indian Institute of Metals, 39 (6). pp. 582-591. ISSN 0972-2815

Bhat, K. L. ; Natarajan, K. A. ; Ramachandran, T. (1986) Electroleaching of industrial zinc leach residues Transactions of the Indian Institute of Metals, 39 . pp. 475-485. ISSN 0019-493X

Natarajan, K. A. ; Upadhyay, Ramesh (1986) Flocculation studies on iron ore fines using synthetic polymeric flocculants Transactions of the Indian Institute of Metals, 39 (6). pp. 627-636. ISSN 0972-2815

Iwasaki, I. ; Riemera, S. C. ; Orlich, J. N. ; Natarajan, K. A. (1985) Corrosive and abrasive wear in ore grinding Wear, 103 (3). pp. 253-267. ISSN 0043-1648

Natarajan, K. A. ; Iwasaki, I. (1985) Decomposition of xanthate collectors with ozone in alkaline solutions Minerals and Metallurgical Processing, 2 . pp. 241-243. ISSN 0747-9182

Natarajan, K. A. ; Iwasaki, I. (1984) Electrochemical aspects of grinding media-mineral interactions in magnetite ore grinding International Journal of Mineral Processing, 13 (1). pp. 53-71. ISSN 0301-7516

Natarajan, K. A. ; Riemer, S. C. ; Iwasaki, I. (1984) Influence of pyrrhotite on the corrosive wear of grinding balls in magnetite ore grinding International Journal of Mineral Processing, 13 (1). pp. 73-81. ISSN 0301-7516

Adam, K. ; Natarajan, K. A. ; Iwasaki, I. (1984) Grinding media wear and its effect on the flotation of sulfide minerals International Journal of Mineral Processing, 12 (1-3). pp. 39-54. ISSN 0301-7516

Natarajan, K. A. ; Iwasaki, I. (1983) Environmental leaching behaviour of copper-nickel bearing Duluth gabbro and flotation tailings Hydrometallurgy, 10 (3). pp. 329-342. ISSN 0304-386X

Dave, S. R. ; Natarajan, K. A. (1982) Effects of some flotation reagents on the bio-oxidation of zinc and iron Transactions of the Indian Institute of Metals, 36 (4). pp. 397-399. ISSN 0972-2815

Dave, S. R. ; Natarajan, K. A. ; Bhat, J. V. (1982) Bio-leaching of zinc concentrates-statistical optimisation studies Transactions of the Indian Institute of Metals, 35 . pp. 263-268. ISSN 0019-493X

Dave, S. R. ; Natarajan, K. A. ; Bhat, J. V. (1981) Leaching of copper and zinc from oxidised ores by fungi Hydrometallurgy, 7 (3). pp. 235-242. ISSN 0304-386X

Dave, S. R. ; Natarajan, K. A. ; Bhat, J. V. (1981) Effects of 9K nutrient constituents in the bacterial leaching of sphalerite concentrates Transactions of the Indian Institute of Metals, 34 . pp. 319-323. ISSN 0019-493X

Natarajan, K. A. ; Narayanamurthy, K. (1980) Enrichment of chalcopyrite tailings for copper recovery Transactions of the Indian Institute of Metals, 33 (5). pp. 353-360. ISSN 0972-2815

Natarajan, K. A. ; Quadri, S. G. ; Shivkumar, S. (1980) Recovery of copper from Khetri slag flotation tailings Transactions of the Indian Institute of Metals, 33 (5). pp. 377-381. ISSN 0972-2815

Natarajan, K. A. (1980) Why hydrometallurgy for copper? Transactions of the Indian Institute of Metals, 33 (3). pp. 187-190. ISSN 0972-2815

Subramanian, S. ; Natarajan, K. A. (1979) Flocculation studies on haematite ore fines using starches Transactions of the Indian Institute of Metals, 32 . pp. 157-165. ISSN 0019-493X

Natarajan, K. A. ; Rao, A. J. (1979) Leach-precipitation-flotation process for Chapri oxidised copper ores Transactions of the Indian Institute of Metals, 32 . pp. 142-147. ISSN 0019-493X

Dave, S. R. ; Natarajan, K. A. ; Bhat, J. V. (1979) Microbiological studies on Thiobacillus ferrooxidans cultured from Chitradurga mine waters Transactions of the Indian Institute of Metals, 32 . pp. 330-336. ISSN 0019-493X

Natarajan, K. A. (1978) Hydrometallurgical recovery of copper from chapri oxidized copper ores Transactions of the Indian Institute of Metals, 31 (5-6). pp. 462-464. ISSN 0972-2815

Natarajan, K. A. (1978) Desulphurisation of coals with Thiobacillus ferrooxidans Transactions of the Indian Institute of Metals, 31 . pp. 224-225. ISSN 0019-493X

Natarajan, K. A. (1978) Statistical design and analysis of a flotation process Transactions of the Indian Institute of Metals, 31 . pp. 169-176. ISSN 0019-493X

Natarajan, K. A. ; Iwasaki, I. (1977) Adsorption mechanisms of amine collectors in relation to flotation Transactions of the Indian Institute of Metals, 30 . pp. 139-151. ISSN 0019-493X

Santhanakrishnan, K. V. ; Natarajan, K. A. (1977) Aqueous chlorination studies on Chitradurga chalcopyrite concentrates Transactions of the Indian Institute of Metals, 30 . pp. 180-182. ISSN 0019-493X

Natarajan, K. A. ; Prakash, H. S. ; Venkateshkumar, H. K. (1977) Biohydrometallurgy of Chitradurga chalcopyrites-bacterial growth and improved column leaching studies on ore, concentrate and tailings Transactions of the Indian Institute of Metals, 30 . pp. 352-354. ISSN 0019-493X

Natarajan, K. A. (1976) Application of operational amplifiers to the construction of electrochemical instruments Journal of the Electrochemical Society of India, 25 (1). pp. 45-49. ISSN 0013-466X

Chandrasekhar, H. ; Natarajan, K. A. (1976) Applicability of bacterial leaching to Chitradurga copper ores Transactions of the Indian Institute of Metals, 29 . pp. 13-17. ISSN 0019-493X

Natarajan, K. A. (1976) Electrochemical instrumentation. II. Control of current and potential Journal of the Electrochemical Society, 25 . pp. 97-99. ISSN 0013-4651

Natarajan, K. A. (1976) Electrochemical instrumentation. III. Linear and cyclic scan voltammetry Journal of the Electrochemical Society, 25 . pp. 147-148. ISSN 0013-4651

Natarajan, K. A. (1976) Electrochemical instrumentation. IV. Double layer capacity measurements Journal of the Electrochemical Society, 25 . pp. 185-188. ISSN 0013-4651

Bhat, K. L. ; Natarajan, K. A. (1975) Applicability of Eh-pH diagrams to predict iron removal from zinc leach liquors Transactions of the SAEST (Society for Advancement of Electrochemical Science and Technology), 10 . pp. 265-273. ISSN 0036-0678

Natarajan, K. A. ; Iwasaki, I. (1975) Cyclic voltammetric studies on platinum electrodes in aqueous electrolytes Journal of the Electrochemical Society, 24 . pp. 1-7. ISSN 0013-4651

Natarajan, K. A. ; Iwasaki, I. (1975) Double layer capacity measurements at a platinum-solution interface Journal of the Electrochemical Society, 24 . pp. 61-66. ISSN 0013-4651

Natarajan, K. A. ; Iwasaki, I. (1974) Eh measurements in hydrometallurgical systems Minerals Science and Engineering, 6 . pp. 35-44. ISSN 0026-4660

Natarajan, K. A. ; Iwasaki, I. (1974) Sulfide ion selective electrodes Journal of the Electrochemical Society, 23 . pp. 201-203. ISSN 0013-4651