Vivek Rangarajan

Associate Professor

Microbial Biotechnology, Environmental Biotechnology, Biochemical / Bioprocess Engineering


Publications in International Journals


  • Vinoth Kannan S R, Vivek Rangarajan and Sampatrao Dagu Manjare. Investigating the Potential of Ethanol and Sugar Tolerant Yeast Strain Isolates from Fermented Cashew Apple Juice for Improved Feni Production. Waste and Biomass Valorization (2024).

  • K. P. Sreelakshmi, M. Madhuri, R. Swetha, Vivek Rangarajan and Utpal Roy. Microbial lipopeptides: their pharmaceutical and biotechnological potential, applications, and way forward. World Journal of Microbiology and Biotechnology 40 (2024). (IF-4.1)
  • Jayita Chopra, Vivek Rangarajan, Senthilkumar Rathnasamy,  Pinaki Dey. Life Cycle Assessment as a Key Decision Tool for Emerging Pretreatment Technologies of Biomass‑to‑Biofuel: Unveiling Challenges, Advances, and Future Potential. BioEnergy Research (2024). (IF-3.6)

  • Neela Gayathri Ganesan, Rishi Devendra Singh, Shreya Kapila, Vivek Rangarajan. The imminent potential of microbial surfactants in PPCP waste removal. Book: Emerging Technologies for Removal of Pharmaceuticals and Personal Care Products: State of the Art, Challenges and Future Perspectives, Publisher: Elsevier (2024). 309-330 (Book chapter)


  • Vinoth Kannan, Avdhesh Vermani, Vivek Rangarajan, Sampatrao Dagu Manjare. Production of Feni Beverage from Cashew Apple and Assessment of Bioethanol Production Potential from the Residual Pulp. Natural Products in Beverages: Botany, Phytochemistry, Pharmacology and Processing. Springer International Publishing (2023) (Book Chapter) 

  • Neela Gayathri Ganesan, Rishi Devendra Singh, and Vivek Rangarajan. Investigating the influence of excipients on the stability of biocosmetic nanoemulsions formulated with surfactin as an emulsifier. Biomass Conversion and Biorefinery (2023) (IF-4.0)
  • Senthilkumar Rathnasamy, Vivek Rangarajan, Ramya Munisamy, Harish babu Balaraman, Subhranshu Samal, Vinoth Kannan S.R., Sampatrao Dagu Manjare and Umile Gianfranco Spizzirri. Valorization of Wastes and By-Products From the Meat Industry. Nutraceutics from Agri-Food By-Products, (285–318) 2023, Scrivener Publishing LLC (Book chapter) 
  • Ramya Muniasamy, Ponnusami Venkatachalam, Vivek Rangarajan, Subhranshu Samal, Senthilkumar Rathnasamy. A comprehensive perspective on sustainable bioprocessing through extractive fermentation: challenges and prospects. Reviews in Environmental Science and Biotechnology (2023); 22, pages 715–737. (IF- 14.2)
  • Subranshu Samal, Subhadeep Banerjee, Pinaki Dey and Vivek Rangarajan. Production and characterization of a novel poly amino acid from a thermophilic bacterium, and preliminary testing of its coagulating potential for imminent wastewater treatment application. International Journal of Biological Macromolecules. (2023) 246; 125589 (IF- 8.2)
  • S.R. Vinoth Kannan, Neela Gayathri Ganesan, Subhranshu Samal, Pinaki Dey, Sampatrao D. Manjare and Vivek Rangarajan. Mitigation of environment crisis: conversion of organic plant waste to valuable products; Valorization of Wastes for Sustainable Development. 1st Edition - August 1, 2023. Publisher- Elsevier (Book chapter) DOI:
  • Subhranshu Samal, Pinaki Dey, Saroj Sundar Baral, and Vivek Rangarajan. Plastic degradationdcontemporary enzymes versus nanozymes-based technologies; Advances in Nano and Biochemistry Environmental and Biomedical Applications. 1st Edition - May 22, 2023. Publisher- Elsevier (Book chapter)
  • Subhranshu Samal, Modhurima Misra, Vivek Rangarajan and Soham Chattopadhyay. Antimicrobial nanoparticles mediated prevention and control of membrane biofouling in water and wastewater treatment: Current trends and future perspectives. Applied Biochemistry and Biotechnology. (2023) (IF- 3.0)
  • Rishi Devendra Singh, Neela Gayathri Ganesan and Vivek Rangarajan. A Biosurfactant cocktail- based formula for the formulation of stable skin-care cosmetic nanoemulsion. Colloid Journal. Accepted. (2023) (IF-1.1)
  • Neela Gayathri Ganesan , Rishi Devendra Singh , Divyansh Dwivedi , Vivek Rangarajan. Synergy evaluation between diverse biosurfactants toward the formulation of green oil-in-water nanoemulsions by ultrasonication method. Journal of Cleaner Production. (2023) (IF - 11.1)


  • Pinaki Dey, Sankha Chakrabortty, Dibyajyoti Haldar, Vivek Rangarajan, Sowmya Ashok. On‑site enriched production of cellulase enzyme using rice straw waste and its hydrolytic performance evaluation through systematic dynamic modeling. Environmental Science and Pollution Research. (2022) (IF-5.8)
  • Harish Babu Balaraman, Vivek Rangarajan, Senthil Kumar Rathnasamy. Empirical flux modelling for cocosin enrichment from Cocos nucifera whey using natural deep eutectic solvent based affinity membrane. Industrial Crops & Products. (2022) Industrial Crops & Products 190 (2022) 115893. (IF-5.9)
  • Neela Gayathri Ganesan, Subhranshu Samal, Vinoth Kannan, Senthil Kumar Rathnasamy, Vivek Rangarajan. Bacillus lipopeptide-based antifungal agents for plant disease control. Plant Protection: From Chemicals to Biologicals. Publisher: Walter de Gruyter GmbH & Co KG. (2022) (Book chapter)
  • Neela Gayathri Ganesan, Rishi Devendra Singh, Vivek Rangarajan. Optimization of processing parameters for the improved production of surfactin from B. Subtilis using a statistical approach and demonstration of its imminent potential in cosmetic applications. Materials Today: Proceedings. (2022) (Citescore-2.3).
  • Pinaki Dey, Dibyajyoti Haldar, Vivek Rangarajan, Venkata Satyanarayana Suggala, Gladys Saji, Kevin Joseph Dilip. Paradigm shift from conventional processes to advanced membrane adsorption-mediated inactivation processes towards holistic management of virus − A critical review. Journal of Environmental Chemical Engineering (2022) (IF-7.7)
  • Harish Babu Balaraman, Vivek Rangarajan, Senthil Kumar Rathnasamy. A synergetic green approach for enhanced CO2 capture in protic deep eutectic mixtures – Kinetics and Henry’s solubility determination. Journal of CO2 Utilization. (2022) (IF=7.7).
  • Neela Gayathri Ganesan and Vivek Rangarajan. A comparative study on surfactin production from various fruit juices for diverse applications. Materials Today: Proceedings. (2022) (Citescore-2.3)
  • Jayita Chopra, Vivek Rangarajan, Ramkrishna Sen. Recent developments in oleaginous yeast feedstock based biorefinery for production and life cycle assessment of biofuels and value-added products. Sustainable Energy Technologies and Assessments. 53 (2022) 102621. (IF- 8.0)
  • Pinaki Dey, Sankha Chakrabortty, Dibyajyoti Haldar, A Sowmya, Vivek Rangarajan, Héctor A Ruiz. Kinetic model supported improved and optimized submerged production strategy of cellulase enzyme from newspaper waste biomass. Bioprocess and Biosystems Engineering (2022) 1-15 (IF- 3.8)
  • Neela Gayathri Ganesan, Małgorzata A. Miastkowska, Jolanta Pulit-Prociak, Pinaki Dey, and Vivek Rangarajan. Formulation of a stable biocosmetic nanoemulsion using a Bacillus lipopeptide as the green-emulsifier for skin-care applications. Journal of Dispersion Science and Technology (2022) 1-14 (IF-2.2)
  • Rishi Devendra Singh, Shreya Kapila, Neela Gayathri Ganesan, Vivek Rangarajan. A review on green nanoemulsions for cosmetic applications with special emphasis on microbial surfactants as impending emulsifying agents. Journal of Surfactants and Detergents (2022) 1-17 (IF-1.6)


  • Kannan V, Rangarajan V, Manjare SD, Pathak PV. Microbial Production of Value-added Products from Cashew Apples- an Economical Boost to Cashew Farmers. J Pure Appl Microbiol. Published on November 24, 2021 (CiteScore 1.2)
  • Rangarajan, W.J. Herbst, S. Mazibuko, K.G. Clarke. Bacillus lipopeptides for a novel postharvest disease control technology. ISHS Acta Horticulturae. 1323 (2021) 79-86
  • Harishbabu Balaraman, Rangabhashiyam Selvasembian, Vivek Rangarajan, Senthilkumar Rathnasamy. Sustainable and Green Engineering Insights on Deep Eutectic Solvents toward the Extraction of Nutraceuticals. ACS Sustainable Chemistry & Engineering. (2021) (IF- 8.4)
  • Marzuqa Quraishi, Shashi Kant Bhatia, Soumya Pandit, Piyush Kumar Gupta, Vivek Rangarajan, Dibyajit Lahiri, Sunita Varjani, Sanjeet Mehariya, Yung-Hun Yang. Exploiting Microbes in the Petroleum Field: Analyzing the Credibility of Microbial Enhanced Oil Recovery (MEOR). Energies. 14 (2021) (IF-3.2)
  • Neela Gayathri Ganesan and Vivek Rangarajan. A kinetics study on surfactin production from Bacillus subtilis MTCC 2415 for application in green cosmetics. Biocatalysis and Agricultural Biotechnology. 33 (2021) (IF - 4.0)
  • Pinaki Dey, Vivek Rangarajan, JayatoNayak, Diganta Bhusan Das, Steeve BrandenWood. An improved enzymatic pre-hydrolysis strategy for efficient bioconversion of industrial pulp and paper sludge waste to bioethanol using a semi-simultaneous saccharification and fermentation process. Fuel. 294 (2021) (IF – 7.4)
  • Pinaki Dey,  Vivek Rangarajan,  Joginder Singh, Jayato Nayak & Kevin Joseph Dilip. Current perspective on improved fermentative production and purification of fungal cellulases for successful biorefinery applications: a brief review. Biomass Conversion and Biorefinery. Accepted (Jan 2021) (IF-4.0)


  • Utkarsh Tiwari, Neela Gayathri Ganesan, Jui Junnakar & Vivek Rangarajan. Towards the formulation of bio-cosmetic nanoemulsions: From plant-derived to microbial-derived ingredients. Journal of Dispersion Science and Technology (Accepted Oct 2020) (IF-2.2) :
  • Bagcinele D, Vivek Rangarajan, Kim G.Clarke. A simple thin layer chromatography based method for the quantitative analysis of biosurfactant surfactin vis-a-vis the presence of lipid and protein impurities in the processing liquid, Biocatalysis and Agricultural Biotechnology, 25 (2020) (IF- 4.0)


  • Divya J Mathias, Sourav Kumar, Vivek Rangarajan. An investigation on citrus peel as the lignocellulosic feedstock for optimal reducing sugar synthesis with an additional scope for the production of hydrolytic enzymes from the aqueous extract waste. Biocatalysis and Agricultural Biotechnology, 20 (2019) 1-8 (IF-4.0)


  • Vivek Rangarajan, Gunaseelan Dhanarajan, Pinaki Dey, Dipankar Chattopadhya, Ramkrishna Sen. Bacillus lipopeptides - Powerful capping and dispersing agents of silver Nanoparticles. Applied Nanoscience (2018) (IF-3.67)
  • Vivek Rangarajan and Mahesh Narayanan. Biosurfactants in Soil Bioremediation. Advances in Soil Microbiology: Recent Trends and Future Prospects. Springer (2018). DOI 10.1007/978-981-10-6178-3_11 (Book Chapter)
  • Gunaseelan Dhanarajan, Partha Patra, Vivek Rangarajan, Ponisseril Somasundaran and Ramkrishna Sen. Modeling and analysis of micellar and microbubble dynamics to derive new insights in molecular interactions impacting the packing behavior of a green surfactant for potential engineering implications. ACS Sustainable Chemistry & Engineering (2018). DOI: 10.1021/ acssuschemeng.7b04428 (IF-8.4)


  • Dey P and Ranvarajan V. Improved fed-batch production of high-purity PHB (poly-3 hydroxy butyrate) by Cupriavidus necator (MTCC 1472) from sucrose-based cheap substrates under response surface optimized conditions. 3 Biotech, 7 (2017) (IF-2.8)
  • Dhanarajan G, Rangarajan V, Bandi C, Dixit A, Das S, Ale K and Sen R. Evaluation of application potential of bacterially derived biosurfactant and biopolymer for enhanced oil recovery—an ann-ga approach for maximal oil recovery. Journal of biotechnology, (2017) (Equal contribution by first two authors) (IF-4.1)


  • Rangarajan V & Clarke K G. Towards bacterial lipopeptide products for specific applications - a review of appropriate downstream processing schemes. Process Biochemistry, 51 (2016) 2176-2185. (IF-4.4)
  • Dhanarajan G, Rangarajan V, Perali Ramu Sridhar and Sen R. Development and scale-up of an efficient and green  process for HPLC purification of antimicrobial homologues of  commercially important microbial lipopeptides. ACS Sustainable Chemistry and Engineering, 4  (2016) 6638-6646 (IF-8.4)


  • Rangarajan V and Clarke K G. Process development and intensification for enhanced production of Bacillus lipopeptides. Biotechnology and Genetic Engineering Reviews, 31 (2015) 46-68 (IF-3.2)
  • Patel J, Borgohain S, Kumar M, Rangarajan V, Somasundaram P and Sen R. Recent Developments in Microbial Enhanced Oil Recovery. Renewable & Sustainable Energy Reviews, 52 (2015) 1539-1558 (IF-15.9)
  • Dhanarajan G, Rangarajan V and Sen R. Dual gradient macroporous resin column chromatography for concurrent separation and purification of three families of marine bacterial lipopeptides from cell free broth. Separation & Purification Technology, 143 (2015) 72-79 (8.6)
  • Rangarajan V, Dhanarajan G and Sen R. Bioprocess design and intensification for selective enhancement of a particular lipopeptide family from a marine bacterium.  Biochemical Engineering Journal, 99 (2015) 147–155 (IF-3.9)


  • Rangarajan V, Dhanarajan G, Sen R. Improved Performance of Cross-flow ultrafiltra-tion for the recovery and purification of Ca2+ conditioned lipopeptides in diafiltration mode of operation. Journal of Membrane Science, 454 (2014) 436–443 (9.5)
  • Mondal D, Bhowmick B , Mollick MR, Maity D, Saha NR, Rangarajan V, Rana D, Sen R and Chattopadhyay D. Antimicrobial activity and biodegradation behavior of Poly(butylenes adipate- co -terephthalate)/Clay Nanocomposites. Journal of applied polymer science, 131 (2014) 1-9 (IF-3.0)
  • Rangarajan V, Majumder S and Sen R. Biosurfactant mediated nanoparticle synthesis – A green and sustainable approach. Biosurfactants- Research Trends and Applications, 2014; CRC press: 217-230  [Book chapter]
  • Mondal D, Bhowmick B, Mollick MR, Maity D, Rangarajan V, Rana D, Sen R and Chattopadhyay D. Investigation on sodium benzoate release from poly(butylene adipate-co-terephthalate)/organoclay/sodium benzoate based nanocomposite film and their antimicrobial activity. Journal of Food Science, Accepted, (2014) (IF-3.9)
  • Mahesh N, Rangarajan V, Arunkumar M and Srinaivasan B. Statistical designing of Enriched pectin extract medium for the enhanced production of pectinase by Aspergillus niger, International Journal of Pharmacy and Pharmaceutical Sciences. 6 (2014) 666-672 (SNIP-2.029)


  • Gudina EJ, Rangarajan V, Sen R and Rodrigues LR. Potential therapeutic applications of biosurfactants. Trends in Pharmacological Sciences, 34 (2013) 667-675 (Equal contribution by first two authors) (13.8)
  • Rangarajan V & Sen R. An inexpensive strategy for facilitated recovery of metals and fermentation products by foam fractionation process. Colloids Surfaces B: Biointerfaces, 104 (2013) 99-106 (5.8)


  • Mahesh N, Balakumar S, Indumathi P, Ayyadurai A, Rangarajan V. Production and Optimization of Mevastatin using Penicillium citrinum NCIM 768. Journal Microbial & Biochemical Technology, 4 (2012) 1-4 (IF-5.89)
  • Rangarajan V, Dhanarajan G, Kumar R, Sen R and Mandal M. Time-dependent dosing of Fe2+ for improved lipopeptide production by marine Bacillus megaterium. Journal of Chemical Technology Biotechnology, 87 (2012) 1661-1669 (IF-3.4)

Publications in Indian Journals 

  • Rangarajan V, Shanmugham P and Narayanan M. Optmization of Xanthan Production by Xanthomonas campestris -NCIM 2961 using Response Surface Methodology and Characterization of Purified Xanthan. International Journal of Applied Biotechnology and Biochemistry, 2 (2012) 7-17
  • Mahesh N, Balakumar S, Parkavi R, Ayyadurai A, Rangarajan V (2012) Optimization and Production of Hyaluronidase by Streptococcus mitis MTCC 2695. Biomolecul 1:101. doi:10.4172/bom.1000101
  • Rangarajan V, Rajasekharan M, Ravichandran R, Sriganesh K and Vaitheeswaran V. Pectinase Production from Orange Peel Extract and Dried Orange Peel Solid as Substrates Using Aspergillus niger. International Journal of Biotechnology and Biochemistry, 6 (2010) 445–453
  • Rajagopalan M, Rangarajan V, Kumaresan R, Dhanarajan G, Shankar RS, Sunil Kumar KS and  Raj KV. Assessment of Oxygen Transfer Efficiency in Internal Loop Air-Lift Reactor and a Study on the Role of Oxygen Vectors in the Enhancement of Oxygen Transfer. International Journal of Biotechnology and Bioengineering Research, 1 (2010) 107–114
  • Rajendran NK and Rangarajan V. Acid Hydrolysis and Kinetics of Bioethanol Production from Impending lignocellulosic Substrates Using Saccharomyces cereviseae. International Journal of Biotechnology and Biochemistry, 5 (2009) 135–146.


  • Rangarajan V, Bhandari S, Khastgir D and Sen R. Biosurfactant based synthesis of nanostructured polyaniline. ICRRM 2013, IIT Kharagpur
  • Rangarajan V & Clarke K G. Production of Bacillus Lipopeptides for Biocontrol of Postharvest Crops. ICBSE 2016, Cape Town
  • Rangarajan V & Clarke K G. Purification of Bacillus Lipopeptides for Diverse Applications. ICBSE 2016, Cape Town
  • Shivam Monga, Prateek Srivastav, Buch Khantil Parag, Siddharth Das,  Vivek Khanna, Balusu Susritha, Sourav Kumar and Vivek Rangarajan. A novel strategy to utilize citrus peels for pectinase productionICAFB 2018, Karunya University
  • Sourav Kumar, Divya Mathias, Vivek Rangarajan. Citrus peels for pectinases production. BESCON 2018, IIT Bombay
  • Divya Mathias, Sourav Kumar, Vivek Rangarajan. A feasibility study on bioethanol production using citrus peel as lignocellulosic feedstock. ICBSEE 2018, NIT Rourkela
  • Divya Mathias, Sourav Kumar, Vivek Rangarajan. A feasibility study on the use of citrus peel as a lignocellulosic feedstock for bioethanol production with an additional scope for the production of hydrolytic enzymes from the aqueous extract waste. RABEB 2019, IIT BHU
  • Neela Gayathri Ganesan & Vivek Rangarajan. A comparative study on surfactin production from fruit juices and evaluation of its application potential in green-cosmetic nanoemulsion. ACES-2022, IISER Bhopal
  • Neela Gayathri Ganesan, Rishi Devendra Singh, Vivek Rangarajan. Optimization of processing parameters for the improved production of surfactin from B. subtilis using a statistical approach and demonstration of its imminent potential in cosmetic applications. ACMS 2022, Kolkata
  • Neela Gayathri Ganen, Rishi Devendra Singh, Vivek Rangarajan. Microbial surfactants based nanoemulsions for cosmetic applications. ChemTSF-2022, IIT Roorkee (Gayathri won Best poster award)