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Natarajan, KA (2019) Biotechnology for environmentally benign gold production. [Book Chapter]

Natarajan, KA (2018) Bioremediation of arsenic using bioflocculants and microorganisms. [Book Chapter]

Natarajan, KA (2018) Biotechnology of metals : Principles, recovery methods, and environmental concerns. [Book Chapter]

Natarajan, KA and Devi, KK (2016) Bioflocculants Relevant for Water Treatment and Remediation. [Book Chapter]

Raghupathy, Y and Natarajan, KA and Srivastava, Chandan (2016) Anti-corrosive and anti-microbial properties of nanocrystalline Ni-Ag coatings. In: MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 206 . pp. 1-8.

Raghupathy, Y and Natarajan, KA and Srivastava, Chandan (2016) Anti-corrosive and anti-microbial properties of nanocrystalline Ni-Ag coatings. In: MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 206 . pp. 1-8.

Natarajan, KA (2016) Biomineralization and Biobeneficiation of Bauxite. In: TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 69 (1). pp. 15-21.

Devi, Karthiga K and Natarajan, KA (2015) Isolation and characterization of a bioflocculant from Bacillus megaterium for turbidity and arsenic removal. In: MINERALS & METALLURGICAL PROCESSING, 32 (4). pp. 222-229.

Devi, Karthiga K and Natarajan, KA (2015) Production and characterization of bioflocculants for mineral processing applications. In: INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 137 . pp. 15-25.

Singh, Mahander Pratap and Raghupathy, Y and Natarajan, KA and Srivastava, Chandan (2015) Synthesis, electron microscopy and anti-microbial properties of Fe3O4-Ag nanotubes. In: RSC ADVANCES, 5 (48). pp. 38164-38169.

Poorni, S and Natarajan, KA (2014) Flocculation behaviour of hematite-kaolinite suspensions in presence of extracellular bacterial proteins and polysaccharides. In: COLLOIDS AND SURFACES B-BIOINTERFACES, 114 . pp. 186-192.

Natarajan, KA and Kumari, Abha (2014) Role of applied potentials on bioleaching of chalcopyrite concentrate and growth of Acidithiobacillus ferrooxidans. In: MINERALS & METALLURGICAL PROCESSING, 31 (4). pp. 215-222.

Sarvamangala, H and Natarajan, KA and Girisha, ST (2013) Microbially-induced pyrite removal from galena using Bacillus subtilis. In: International Journal of Mineral Processing, 120 . pp. 15-21.

Natarajan, KA and Prakasan, Sabari MR (2013) Biodegradation of sodium isopropyl xanthate by Paenibacillus polymyxa and Pseudomonas putida. In: Minerals & Metallurgical Processing Journal, 30 (4). pp. 226-232.

Natarajan, KA (2013) Biofouling and microbially influenced corrosion of stainless steels. In: Stainless Steel Centenary Symposium (SSCS 2013), AUG 12-14, 2013, Mumbai, INDIA, pp. 539-551.

Natarajan, KA and Padukone, Usha S (2013) Biological sulfate reduction of a sulfate-rich industrial waste liquor using sulfate reducing bacteria. In: Minerals & Metallurgical Processing Journal, 30 (4). pp. 205-211.

Poorni, S and Natarajan, KA (2013) Biomediated separation of kaolinite and hematite using Bacillus subtilis. In: 20th International Biohydrometallurgy Symposium (IBS 2013), OCT 08-11, 2013, Antofagasta, CHILE, pp. 223-226.

Natarajan, KA (2013) Developments in Biotechnology for Environmentally Benign Iron Ore Beneficiation. In: TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 66 (5-6, S). pp. 457-465.

Poorni, S and Natarajan, KA (2013) Microbially induced selective flocculation of hematite from kaolinite. In: INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 125 . pp. 92-100.

Chandraprabha, MN and Natarajan, KA (2013) Role of outer membrane exopolymers of Acidithiobacillus ferrooxidans in adsorption of cells onto pyrite and chalcopyrite. In: INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 123 . pp. 152-157.

Sarvamangala, H and Natarajan, KA (2011) Microbially induced flotation of alumina, silica/calcite from haematite. In: International Journal of Mineral Processing, 99 (1-4). pp. 70-77.

Padukone, Usha S and Natarajan, KA (2011) Microbially induced separation of quartz from calcite using Saccharomyces cerevisiae. In: Colloids and Surfaces B: Biointerfaces, 88 (1). pp. 45-50.

Chandraprabha, MN and Natarajan, KA (2010) Bioremoval of arsenate ions by acidithiobacillus ferrooxidans. In: Journal of Biotechnology, 150 (Suppl.). S220.

Prakasan, Sabari MR and Natarajan, KA (2010) Microbially induced separation of quartz from hematite using sulfate reducing bacteria. In: Colloids and Surfaces B: Biointerfaces, 78 (2). pp. 163-170.

Devasia, Preston and Natarajan, KA (2010) Adhesion of Acidithiobacillus ferrooxidans to mineral surfaces. In: International Journal of Mineral Processing, 94 (3-4). pp. 135-139.

Chandraprabha, MN and Natarajan, KA (2010) Microbially Induced Mineral Beneficiation. In: Mineral Processing and Extractive Metallurgy Review, 31 (1). pp. 1-29.

Chandraprabha, MN and Natarajan, KA (2009) Microbially induced separation of arsenopyrite and bioremediation of arsenic. In: Minerals and Metallurgical Processing, 26 (4). pp. 217-221.

Chandraprabha, MN and Modak, JM and Natarajan, KA (2009) Soft-particle model analysis of effect of LPS on electrophoretic softness of Acidithiobacillus ferrooxidans grown in presence of different metal ions. In: Colloids and Surfaces B: Biointerfaces, 69 (1). pp. 1-7.

Natarajan, KA (2009) Microbial Aspects of Environmentally Benign Iron Ore. In: Iron Ore Conference 2009, July 27-29, 2009, Perth, Australia, pp. 27-34.

Natarajan, KA (2009) Microbial aspects of acid generation and bioremediation with relevance to indian mining. In: 18th International Biohydrometallurgy Symposium Bariloche, SEP 13-17, 2009, Bariloche, ARGENTINA, pp. 645-648.

Sarvamangala, H and Natarajan, KA (2009) Microbially induced flotation of galena and quartz from pyrite. In: 18th International Biohydrometallurgy Symposium Bariloche, SEP 13-17, 2009, Bariloche, ARGENTINA, pp. 509-512.

Patra, Partha and Natarajan, KA (2008) Microbially-induced separation of chalcopyrite and galena. In: Minerals Engineering, 21 (10). pp. 691-698.

Sarvamangala, H and Gopal, J and Muraleedharan, P and George, RP and Dayal, RK and Natarajan, KA (2008) Biomineralization of manganese by Bacillus spp isolated from a marine biofilm. In: Minerals and Metallurgical Processing, 25 (3). pp. 149-155.

Patra, Partha and Natarajan, KA (2008) Role of mineral specific bacterial proteins in selective flocculation and flotation. In: International Journal of Mineral Processing, 88 (1-2). pp. 53-58.

Natarajan, KA and Ambika, SN (2008) Biological aspects of ARSENIC Speciation and Remediation. In: Hydrometallurgy-2008 (SME).

Chandraprabha, MN and Natarajan, KA (2008) Biomudulation of Sulfide Minerals for Environment-friendly Beneficiation. In: Proceedings of XXIV International Mineral Processing Congress, Beijing (IMPC-2008).

Patra, Partha and Natarajan, KA (2008) Synthesis of Mineral-specific Bioproteins for Selective Mineral Flotation. In: Proceedings of XXIV International Mineral Processing Congress, Beijing (IMPC-2008).

Gopal, Judy and Muraleedharan, P and George, RP and Sarvamangala, H and Kalaichelvan, PT and Khatak, HS and Natarajan, KA (2007) Morphological differentiation observed in manganese oxidizing bacterial colonies. In: National Academy Science Letters (India), 30 (11-12). pp. 371-375.

Radhika, V and Subramanian, S and Natarajan, KA (2006) Bioremediation of zinc using Desulfotomaculum nigrificans: Bioprecipitation and characterization studies. In: Water Research, 40 (19). pp. 3628-3636.

Chandraprabha, MN and Natarajan, KA (2006) Surface chemical and flotation behaviour of chalcopyrite and pyrite in the presence of Acidithiobacillus thiooxidans. In: Hydrometallurgy, 83 (1-4). pp. 146-152.

Natarajan, KA and Subramanian, S and Braun, Jean-Jacques (2006) Environmental impact of metal mining biotechnological aspects of water pollution and remediation an Indian experience. In: Journal of Geochemical Exploration, 88 (1-3). pp. 45-48.

Natarajan, KA (2006) Microbially-induced mineral flotation and flocculation: Prospects and challenges. In: Proc. XXIII Int. Mineral Processing Congress, Sep 2006, Istanbul, Turkey.

Sarvamangala, H and Braun, JJ and Natarajan, KA and Subramanian, S (2006) A strategy for isolation, culturing and maintenance of Acidithiobacillus ferrooxidans and Leptospirillum ferrooxidans for enhanced bioleaching. In: Proc. International Seminar on Mineral Processing Technology (MPT 2006) and Indo-Korean Workshop on Resource Recycling, 2006, Indo-Korean.

Mukherjee, Amitava and Raichura, Ashok M and Modak, Jayant M and Natarajan, KA (2005) Dissolution of Cu, Co and Ni from ocean nodules by L-ascorbic acid. In: Chemical Engineering and Processing, 44 (7). pp. 754-759.

Chandraprabha, MN and Natarajan, KA and Somasundaran, P (2005) Selective separation of pyrite from chalcopyrite and arsenopyrite by biomodulation using Acidithiobacillus ferrooxidans. In: International Journal of Mineral Processing, 75 (1-2). pp. 113-122.

Chandraprabha, MN and Natarajan, KA (2005) Surface chemical characterization of acidithiobacillus ferrooxidans grown in presence of different metal ions. In: Proc. XXIII Int. Mineral Processing Congress, SEP 2006, Istanbul, Turkey.

Mukherjee, Amitava and Raichur, Ashok M and Modak, Jayant M and Natarajan, KA (2004) Mechanisms for solubilization of cobalt, copper and nickel from Indian Ocean nodules at near neutral pH by a marine isolate. In: Journal of Industrial Microbiology and Biotechnology, 31 (10). pp. 462-468.

Patra, Partha and Natarajan, KA (2004) Microbially induced flocculation and flotation for separation of chalcopyrite from quartz and calcite. In: International Journal of Mineral Processing, 74 (1-4). pp. 143-155.

Mukherjee, Amitava and Raichur, Ashok M and Modak, Jayant M and Natarajan, KA (2004) Mechanisms for solubilization of cobalt,copper and nickel from Indian Ocean nodules at near neutral pH by a marine isolate. In: Journal of Industrial Microbiology and Biotechnology, 31 (10). pp. 462-468.

Chandraprabha, MN and Natarajan, KA and Modak, Jayant M (2004) Selective separation of pyrite and chalcopyrite by biomodulation. In: Colloids and Surfaces B: Biointerfaces, 37 (3-4). pp. 93-100.

Chandraprabha, MN and Natarajan, KA and Somasundaran, P (2004) Selective separation of arsenopyrite from pyrite by biomodulation in the presence of Acidithiobacillus ferrooxidans. In: Journal of Colloid and Interface Science, 276 (2). pp. 323-332.

Patra, Partha and Natarajan, KA (2004) Microbially induced flotation and flocculation of pyrite and sphalerite. In: Colloids and Surfaces B: Biointerfaces, 36 (2). pp. 91-99.

Mukherjee, Amitava and Raichur, Ashok M and Modak, Jayant M and Natarajan, KA (2004) Bioprocessing of polymetallic Indian Ocean nodules lusing a marine isolate. In: Hydrometallurgy, 73 (3-4). pp. 205-213.

Mukherjee, Amitava and Raichur, Ashok M and Modak, Jayant M and Natarajan, KA (2004) Bioprocessing of polymetallic Indian Ocean nodules using a marine isolate. In: Hydrometallurgy, 73 (3-4). pp. 205-213.

Mukherjee, Amitava and Raichur, Ashok M and Natarajan, KA and Modak, Jayant M (2004) Recent Developments in Processing Ocean Manganese Nodules-A Critical Review. In: Mineral Processing and Extractive Metallurgy Review, 25 (2). pp. 91-127.

Mukherjee, Amitava and Raichur, Ashok M and Modak, Jayant M and Natarajan, KA (2004) Exploring process options to enhance metal dissolution in bioleaching of Indian Ocean nodules. In: Journal of Chemical Technology & Biotechnology, 79 (5). pp. 512-517.

Partha, Patra and Natarajan, KA (2004) Microbially enhanced removal of pyrite and chalcopyrite from oxide gangue minerals with reference to desulfurization of tailings. In: Minerals and Metallurgical Processing, 21 (4). pp. 169-178.

Patra, P and Natarajan, KA (2003) Microbially-induced flocculation and flotation for pyrite separation from oxide gangue minerals. In: Minerals Engineering, 16 (10). pp. 965-973.

Mukherjee, Amitava and Raichur, Ashok M and Modak, Jayant M and Natarajan, KA (2003) Solubilization of cobalt from ocean nodules at neutral pH—a novel bioprocess. In: Journal of Industrial Microbiology and Biotechnology, 30 (10). pp. 606-612.

Chockalingam, Evvie and Subramanian, S and Natarajan, KA (2003) Studies on biodegradation of organic flotation collectors using Bacillus polymyxa. In: Hydrometallurgy, 71 (1-2). pp. 249-256.

Natarajan, KA and Das, A (2003) Surface chemical studies on ‘Acidithiobacillus’ group of bacteria with reference to mineral flocculation. In: International Journal of Mineral Processing, 72 (1-4). pp. 189-198.

Subramanian, S and Santhiya, D and Natarajan, KA (2003) Surface modification studies on sulphide minerals using bioreagents. In: International Journal of Mineral Processing, 72 (1-4). pp. 175-188.

Mukherjee, A and Raichur, AM and Modak, JM and Natarajan, KA (2003) Bio-processing of Indian Ocean nodules using a marine isolate-effect of organics. In: Minerals Engineering, 16 (7). pp. 651-657.

Santhiya, D and Subramanian, S and Natarajan, KA (2002) Surface chemical studies on sphalerite and galena using extracellular polysaccharides isolated from Bacillus polymyxa. In: Journal of Colloid and Interface Science, 256 (2). pp. 237-248.

Chandraprabha, MN and Modak, JM and Natarajan, KA and Raichur, AM (2002) Strategies for efficient start-up of continuous biooxidation process for refractory gold ores. In: Minerals Engineering, 15 (10). 751-753 .

Kumari, A and Natarajan, KA (2002) Electrochemical aspects of leaching of ocean nodules in the presence and absence of microorganisms. In: International Journal of Mineral Processing, 66 (1-4). pp. 29-47.

Kumari, A and Natarajan, KA (2002) Electrochemical processing of ocean manganese nodules with microbial enhancement to recover valuable metals. In: Minerals and Metallurgical Processing, 19 (3). pp. 137-147.

Kumari, A and Natarajan, KA (2002) Cathodic reductive dissolution and surface adsorption behavior of ocean manganese nodules. In: Hydrometallurgy, 64 (3). pp. 247-255.

Kumari, Abha and Natarajan, KA (2002) Development of a clean bioelectrochemical process for leaching of ocean manganese nodules. In: Minerals Engineering, 15 (1-2). pp. 103-106.

Kumari, Abha and Natarajan, KA (2001) Electrobioleaching of polymetallic ocean nodules. In: Hydrometallurgy, 62 (2). pp. 125-134.

Kumari, A and Natarajan, KA (2001) Electroleaching of polymetallic ocean nodules to recover copper, nickel and cobalt. In: Minerals Engineering, 14 (18). pp. 877-886.

Santhiya, D and Subramanian, S and Natarajan, KA and Rao, Hanumantha K and Forssberg, KSE (2001) Bio-modulation of galena and sphalerite surfaces using Thiobacillus thiooxidans. In: International Journal of Mineral Processing, 62 (1-4). pp. 121-141.

Deo, Namita and Natarajan, KA and Somasundaran, P (2001) Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum and quartz. In: International Journal of Mineral Processing, 62 (1-4). pp. 27-39.

Natarajan, KA and Deo, Namita (2001) Role of bacterial interaction and bioreagents in iron ore flotation. In: International Journal of Mineral Processing, 62 (1-4). pp. 143-157.

Vasan, SS and Modak, Jayant M and Natarajan, KA (2001) Some recent advances in the bioprocessing of bauxite. In: International Journal of Mineral Processing, 62 (1-4). pp. 173-186.

Rao, Hanumantha K and Natarajan, KA and Forssberg, KSE and Sharma, PK (2001) Surface chemical characterisation of Paenibacillus polymyxa before and after adaptation to sulfide minerals. In: International Journal of Mineral Processing, 62 (1-4). pp. 3-25.

Santhiya, D and Subramanian, S and Natarajan, KA (2001) Surface Chemical Studies on Sphalerite and Galena Using Bacillus polymyxa I. Microbially Induced Mineral Separation. In: Journal of Colloid and Interface Science, 235 (2). pp. 289-297.

Santhiya, D and Subramanian, S and Natarajan, KA (2001) Surface Chemical Studies on Sphalerite and Galena Using Bacillus polymyxa II. Mechanisms of Microbe–Mineral Interactions. In: Journal of Colloid and Interface Science, 235 (2). pp. 298-309.

Santhiya, D and Subramanian, S and Natarajan, KA (2000) Surface Chemical Studies on Galena and Sphalerite in the Presence of Thiobacillus Thiooxidans with Reference to Mineral Beneficiation. In: Minerals Engineering, 13 (7). pp. 747-763.

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

Somasundaran, P and Deo, N and Natarajan, KA (2000) Utility of bioreagents in mineral processing. In: Minerals and Metallurgica Processing, 17 (02). pp. 112-115.

Modak, JM and Vasan, SS and Natarajan, KA (1999) Calcium removal from bauxite using Paenibacillus polymyxa. In: Minerals & Metallurgical Processing, 16 (4). pp. 6-12.

Deo , N and Natarajan, KA (1999) Role of corundum-adapted strains of Bacillus polymyxa in the separation of hematite and alumina. In: Minerals and Metallurgical Processing, 16 (4). pp. 29-34.

Deshpande, RJ and Natarajan, KA (1999) Studies on grinding media wear and its effect on flotation of ferrugenous phosphate ore. In: Minerals Engineering, 12 (9). pp. 1119-1125.

Santhiya, D and Subramanian, S and Natarajan, KA and Malghan, SG (1999) Surface chemical studies on the competitive adsorption of poly(acrylic acid) and poly(vinyl alcohol) onto alumina. In: Journal of Colloid and Interface Science, 216 (1). pp. 143-153.

Santhiya, D and Subramanian, S and Natarajan, KA and Malghan, SG (1999) Adsorption and electrokinetic studies on alumina suspensions using poly(vinyl alcohol). In: Minerals & Metallurgical Processing, 16 (2). pp. 51-55.

Deo, Namita and Natarajan, KA and Rao, Hanumantha K and Forssberg, KSE (1999) Biodegradation of some organic reagents from mineral process effluents. In: Biohydrometallurgy and the Environment Toward the Mining of the 21st Century - Proceedings of the International Biohydrometallurgy Symposium, JUN 20-23, 1999, Madrid, Spain.

Natarajan, KA and Subramanian, S and Modak, JM (1999) Biosorption of heavy metal ions from aqueous and cyanide solutions using fungal biomass. In: Biohydrometallurgy and the Environment Toward the Mining of the 21st Century - Proceedings of the International Biohydrometallurgy Symposium, JUN 20-23, 1999, Madrid, Spain.

Deo, Namita and Vasan, SS and Modak, Jayant M and Natarajan, KA (1999) Selective biodissolution of calcium and iron from bauxite in the presence of Bacillus polymyxa. In: Biohydrometallurgy and the Environment Toward the Mining of the 21st Century - Proceedings of the International Biohydrometallurgy Symposium, JUN 20-23, 1999, Madrid, Spain.

Das, A and Rao, Hanumantha K and Sharma, P and Natarajan, KA and Forssberg, KSE (1999) Surface chemical and adsorption studies using Thiobacillus ferrooxidans with reference to bacterial adhesion to sulfide minerals. In: Biohydrometallurgy and the Environment Toward the Mining of the 21st Century - Proceedings of the International Biohydrometallurgy Symposium, JUN 20-23, 1999, Madrid, Spain.

Deo, Namita and Natarajan, KA (1998) Studies on interaction of Paenibacillus polymyxa with iron ore minerals in relation to beneficiation. In: International Journal of Mineral Processing, 55 (01). pp. 41-60.

Deo, N and Natarajan, KA (1998) Biological removal of some flotation collector reagents from aqueous solutions and mineral surfaces. In: Minerals Engineering, 11 (8). pp. 717-738.

Selvi, SC and Modak, JM and Natarajan, KA (1998) Electrobioleaching of sphalerite flotation concentrate. In: Minerals Engineering, 11 (08). pp. 783-788.

Das, Amitabha and Modak, Jayant M and Natarajan, KA (1998) Surface chemical studies of Thiobacillus ferrooxidans with reference to copper tolerance. In: Antonie van Leeuwenhoek, 73 (03). pp. 215-222.

Santhiya, D and Nandini, G and Subramanian, S and Natarajan, KA and Malghan, SG (1998) Effect of polymer molecular weight on the adsorption of polyacrylic acid at the alumina-water interface. In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 133 (1-2). pp. 1572-163.

Sekhar, K Chandra and Subramanian, S and Modak, JM and Natarajan, KA (1998) Removal of metal ions using an industrial biomass with reference to environmental control. In: International Journal of Mineral Processing, 53 (1-2). pp. 107-120.

Natarajan, KA (1998) Biocorrosion in industrial applications. In: International Conference on Corrosion (CORCON 97), DEC 03-06, 1997, Mumbai, India.

Selvi, SC and Natarajan, KA (1998) Electrobioleaching - A novel concept for processing complex sulphide ores. In: Transacation of The Indian Institute of Metals, 51 (1). pp. 17-26.

Das, KK and Pradip, * and Natarajan, KA (1997) The effect of constituent metal ions on the electrokinetics of chalcopyrite. In: Journal of Colloid and Interface Science, 196 (1). pp. 1-11.

Deo, Namita and Natarajan, KA (1997) Interaction of Bacillus polymyxa with some oxide minerals with reference to mineral beneficiation and environmental control. In: Minerals Engineering, 10 (12). 1339-1354 .

Deshpande, RJ and Natarajan, KA and Kittur, SG and Rao, TRR (1997) Reverse flotation of silica from Kudremukh iron ore .1. Selection of cationic reagents. In: Transactions of the Indian Institute of Metals, 50 (5). pp. 391-396.

Deshpande, RJ and Natarajan, KA and Kittur, SG and Rao, TRR (1997) Reverse flotation of silica from Kudremukh iron ore .2. Optimization of flotation process. In: Transactions of the Indian Institute of Metals, 50 (5). pp. 397-402.

Subramanian, S and Natarajan, KA (1997) Special Issue on Mineral Processing - Preface. In: Transactions of the Indian Institute of Metals, 50 (5). U3-U4.

Mirajkar, YRK and Natarajan, KA and Somasundaran, P (1997) Growth and attachment of Thiobacillus ferrooxidans during sulfide mineral leaching. In: International Journal Of Mineral Processing, 50 (3). pp. 203-210.

Deo, N and Natarajan, KA (1997) Surface modification and biobeneficiation of some oxide minerals using Bacillus polymyxa. In: Minerals and Metallurgical Processing, 14 (3). pp. 32-39.

Das, A and Modak, JM and Natarajan, KA (1997) Studies on multi-metal ion tolerance of Thiobacillus ferrooxidans. In: Minerals Engineering, 10 (7). pp. 743-749.

Natarajan, KA and Modak, JM and Anand, P (1997) Some microbiological aspects of bauxite mineralization and beneficiation. In: Minerals and Metallurgical Processing, 14 (2). pp. 47-53.

Anand, Phalguni and Modak, Jayant M and Natarajan, KA (1996) Biobeneficiation of bauxite using Bacillus polymyxa: calcium and iron removal. In: International Journal of Minral Processing, 48 (1-2). pp. 51-60.

Karan, Goutam and Natarajan, KA and Modak, JM (1996) Estimation of mineral-adhered biomass of Thiobacillusferrooxidans by protein assay-some problems and remedies. In: Hydrometallurgy, 42 (02). pp. 169-175.

Modak, Jayant M and Natarajan, KA and Mukhopadhyay, Sanghamitra (1996) Development of temperature-tolerant strains of Thiobacillus ferrooxidans to improve bioleaching kinetics. In: Hydrometallurgy, 42 (01). pp. 51-61.

Modak, JM and Natarajan, KA and Saha, B (1996) Biosorption of copper and zinc using waste Aspergillus niger biomass. In: Minerals and Metallurgical Processing, 13 (2). pp. 52-57.

Natarajan, KA (1996) Laboratory studies on ball wear in the grinding of a chalcopyrite ore. In: International Journal of Mineral Processing, 46 (3-4). pp. 205-213.

Devasia, P and Natarajan, KA and Rao, GR (1996) Role of bacterial growth conditions and adhesion in the bioleaching of chalcopyrite by Thiobacillus ferrooxidans. In: Minerals and Metallurgical Processing, 13 (2). 82-86 .

Pramila, T and Rao, Ramananda G and Natarajan, KA and Rao, Durga C (1996) Differential influence of ions on the copy number of plasmids in Thiobacillus ferrooxidans. In: Current Microbiology, 32 (2). pp. 57-63.

Modak, JM and Natarajan, KA (1995) Biosorption of metals using nonliving biomass - A review. In: Minerals And Metallurgical Processing, 12 (4). pp. 189-196.

Mukhopadhyay, Sanghamitra and Natarajan, KA (1995) Growth and development of Thiobacillus ferrooxidans for engineering applications. In: Sadhana : Academy Proceedings in Engineering Sciences, 20 (part 5). 851-869 .

Natarajan , KA and Deshpande , RJ (1994) Ball wear mechanisms and control in the grinding of sulfide and phosphate ores. In: Metals materials and processes, 6 (3). 163-170 .

Natarajan, KA and Sudeesha, K and Rao, GR (1994) Stability of copper tolerance in Thiobacillus ferrooxidans. In: Antonie van Leeuwenhoek, 66 (4). pp. 303-306.

Sam, Laiju and Rema, V and Devasia, Preston and Natarajan, KA (1993) Surface properties of Thiobacillus ferrooxidans and its adhesion to mineral surfaces. In: Current Science (Bangalore), 65 (12). pp. 974-978.

Natarajan, KA (1993) Biotechnology in gold processing. In: Bulletin of Materials Science, 16 (6). pp. 501-508.

Devasia, Preston and Natarajan, KA and Sathyanarayana, DN and Rao, Ramananda G (1993) Surface Chemistry of Thiobacillus ferrooxidans Relevant to Adhesion on Mineral Surfaces. In: Applied and Environmental Microbiology, 59 (12). 4051-4055 .

Natarajan, KA (1992) Bioleaching of sulphides under applied potentials. In: Hydrometallurgy, 29 (1-3). pp. 161-172.

Natarajan, KA (1992) Electrobioleaching of base metal sulfides. In: Metallurgical and Materials Transactions B, Process Metallurgy and Materials Processing Science, 23 (1). pp. 5-11.

Natarajan, KA (1992) Ball wear and its control in the grinding of a lead-zinc sulphide ore. In: International Journal of Mineral Processing, 34 (1-2). pp. 161-175.

Natarajan, KA (1992) Effect of Applied Potentials on the Activity and Growth of Thiobacillus ferrooxidans. In: Biotechnology and Bioengineering, 39 (9). pp. 907-913.

*, Shrihari and Kumar, R and Gandhi, KS and Natarajan, KA (1991) Role of cell attachment in leaching of chalcopyrite mineral by Thiobacillus ferrooxidans. In: Applied Microbiology and Biotechnology, 36 (2). pp. 278-282.

Chandrasekaran, T and Natarajan, KA and Kishore, * (1991) Influence of microstructure on the wear of grinding media. In: Wear, 147 (2). 267 -274.

Subramanian, S and Natarajan, KA (1991) Flocculation, filtration and selective flocculation studies on haematite ore fines using starch. In: Minerals Engineering, 4 (5). 587-598 .

Rao, Yelloji MK and Natarajan, KA (1990) Effect of electrochemical interactions among sulphide minerals and grinding medium on the flotation of sphalerite and galena. In: International Journal of Mineral Processing, 29 (3). pp. 175-194.

Gundewar, CS and Natarajan, KA and Nayak, UB and Satyanarayana, K (1990) Laboratory studies on ball wear in the grinding of a hematite-magnetite ore. In: International Journal of Mineral Processing, 29 (1-2). pp. 121-139.

Jyothi, N and Sudha, KN and Natarajan, KA (1989) Electrochemical Aspects of Selective Bioleaching of Sphalerite and Chalcopyrite from Mixed Sulfides. In: International Journal of Mineral Processing, 27 (3-4). pp. 189-203.

Vathsala, * and Natarajan, KA (1989) Some electrochemical aspects of grinding media corrosion and sphalerite flotation. In: International Journal of Mineral Processing, 26 (3-4). pp. 193-203.

Kumar, Udaya K and Gundappa, Pradeep and Bai, Pramila BN and Natarajan, KA and Biswas, SK (1989) Laboratory studies on the wear of grinding media. In: Tribology International, 22 (3). pp. 219-225.

Rao, Yelloji MK and Natarajan, KA (1989) Electrochemical Effects of Mineral-Mineral Interactions on the Flotation of Chalcopyrite and Sphalerite. In: International Journal of Mineral Processing, 27 (3-4). pp. 279-293.

Rao, Yelloji MK and Natarajan, KA (1989) Effect of Galvanic Interaction between Grinding Media and Minerals on Sphalerite Fotation. In: International Journal of Mineral Processing, 27 (1-2). pp. 95-109.

Subramanian, S and Natarajan, KA (1989) Adsorption behaviour of an oxidised starch onto haematite in the presence of calcium. In: Minerals Engineering, 2 (1). pp. 55-64.

Subramanian, S and Natarajan, KA and Sathyanarayana, DN (1989) FTIR spectroscopic studies on the adsorption of an oxidized starch on some oxide minerals. In: Minerals & Metallurgical Processing, 6 (3). pp. 152-158.

Brahmaprakash, GP and Devasia, Preston and Jagadish, KS and Natarajan, KA and Rao, Ramananda G (1988) Development of Thiobacillus ferrooxidans ATCC 19859 strains tolerant to copper and zinc. In: Bulletin of Materials Science, 10 (5). pp. 461-465.

Rao, Yelloji MK and Natarajan, KA (1988) Electrochemical aspects of grinding media-mineral interaction on sulphide flotation. In: Bulletin of Materials Science, 10 (5). pp. 411-422.

Subramanian, S and Natarajan, KA (1988) Zeta Potential Studies On Some Iron-Ore Minerals In The Presence Of Starches. In: Transactions of the Indian Institute of Metals, 41 (3). pp. 255-263.

Iwasaki, I and Pozzo, RL and Natarajan, KA and Adam, K and Orlich, JN (1988) Nature of corrosive and abrasive wear in ball mill grinding. In: International Journal of Mineral Processing, 22 (1-4). pp. 345-360.

Rao, Yelloji MK and Natarajan, KA (1988) Influence of galvanic interaction between chalcopyrite and some metallic materials on flotation. In: Minerals Engineering, 1 (4). pp. 281-294.

Subramanian, S and Natarajan, KA (1988) Some studies on the adsorption behaviour of an oxidised starch onto haematite. In: Minerals Engineering, 3 (1). pp. 241-254.

Mandre, NR and Natarajan, KA (1987) Selective flocculation of sulfides with reference to environmental control. In: Transactions of Indian Institute of Metals, 40 (5). pp. 373-381.

Bhat, KL and Natarajan, KA and Ramachandran, T (1987) Electroleaching of Zinc leach residues. In: Hydrometallurgy, 18 (3). pp. 287-303.

Mandre, NR and Natarajan, KA (1987) Environmental aspects of bacterial oxidation with respect to the mining and processing of some sulfide minerals. In: Transactions of the Indian Institute of Metals, 40 (2). pp. 128-136.

Subramanian, S and Natarajan, KA (1987) Selective flocculation studies on iron ore minerals. In: Transactions of the Indian Institute of Metals, 40 (6). pp. 489-496.

Rao, M and Yelloji, K and Natarajan, KA (1986) Electrochemical behavior of sulfide minerals under open-circuit conditions. In: Transactions of the Indian Institute of Metals, 39 (6). pp. 582-591.

Natarajan, KA and Upadhyaya, Ramesh (1986) Flocculation studies on iron ore fines using synthetic polymeric flocculants. In: Transactions of the Indian Institute of Metals, 39 (6). pp. 627-636.

Natarajan, KA (1985) Corrosive and abrasive wear in ore grinding. In: Wear, 103 (3). pp. 253-267.

Natarajan, KA and Iwasaki, I (1985) Electrochemical aspects of xanthate and sulfide mineral oxidation by ozone. [Book Chapter]