Bolin Kumar Konwar, PhD, was Dean of the School of Science and Technology and Professor in the Department of Molecular Biology and Biotechnology, Tezpur University (Central), India. He also headed the Centre for Petroleum Biotechnology, sponsored by the Oil and Natural Gas Corporation; a government-sponsored MSc biotechnology program, and the Bioinformatics Infrastructure Facility at Tezpur University. He was formerly the Vice Chancellor at Nagaland University (Central), India, and lecturer at Assam Agricultural University, India. He was Senior Scientist and Head of Botany and Biotechnology at the Tocklai Tea Research Institute, Jorhat, Assam, India. He carried out research projects of national importance as the Principal Investigator and supervised many students on research projects, with 15 students earning PhDs to date. He and his research group have so far deposited 11 gene (DNA) sequences in gene banks, and his research group has published over 200 research papers in international journals, seminars, and conference proceedings. A prolific author and researcher himself, Dr. Konwar has published more than 200 articles on popular science, environment, biotechnology, history, national integration, higher education, research needs, etc., and more than 40 scientific articles in national English magazines in addition to books, booklets, and book chapters.

1. Introduction 2. Classification of Biosurfactants 3. Interaction of Microorganisms with Hydrophobic Water-Insoluble Substrates 4. Biochemistry of Biosurfactants 5. Biosurfactant Genetics 6. Screening for Biosurfactant Producing Microorganisms 7. Application of Biosurfactants 8. Role of Biosurfactant in Producing Bacteria 9. Biosurfactant Producing Bacteria Utilizing Hydrocarbon from the Environment 10. Physical Characterization of Biosurfactant 11. Characterization of Potential Biosurfactant-Producing Bacteria 12. Application of Bacterial Strains and Biosurfactants in Bioremediation 13. Separation of Crude Oil by Biosurfactant from Contaminated Sand and Petroleum Sludge 14. Bioremediation with Bacterial Biosurfactant and Its Biological Activity 15. Biosurfactant in Nanostructures 16. Industrial Applications of Biosurfactant-Producing Bacteria 17. Conclusions