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In the early 1930s, the streets of Calcutta were frequented by a young man armed with a sketch book and photographic equipment, who was either patiently sketching a scene or clicking away with his camera. This was Shambhu Shaha (1905-1988), one of India's pioneering and best known photographers. Shaha was among the first Indians to graduate from using a large format camera to a small one, and to specialize in candid photography. His spontaneous shots of everyday life, along with his portraits of historical figures, capture a whole era in our national and cultural life, marking India's transition from pre-to post-Independence. Shaha's most famous photographs capture the last years of Rabindra...
This book explores the lives and achievements of ten Indian scientists who made remarkable contributions in various fields of science—from measuring the brightness of stars and discovering a treatment for cholera to inventing fibre optics and increasing food sustainability. Though their names and work may not be widely known, they have transformed the quality of our lives. They are . . . Ruchi Ram Sahni Meghnad Saha Yellapragada Subbarow Sambhu Nath De Narinder Singh Kapany Obaid Siddiqi Modadugu Vijay Gupta Chandrima Shaha Jagannathan Vijaya V.R. Lalithambika Vaishali Shroff traces the journey of these scientists, detailing the challenges they faced—financial scarcity, gender bias, inadequate facilities and infrastructure—as she takes us through the evolution of science in India over three centuries.
Reproductive Immunology is a compilation of research articles presented during the VII International Congress of Reproductive Immunology which was held in New Delhi, India on 27-30 October 1998. The articles pertain to the following six major themes: Molecular and Immunological Aspects of Sperm-Egg Interaction Embryonic-Endometrial Cross-Talk Immunobiology of Pregnancy Autoantibodies and Infertility Immunocontraception Mucosal Immunology and Reproductive Tract Infections . The first section deals with our current understanding of various steps involved in fertilization. The functional significance of sperm surface mannosidase and glutathione S-transferases to bind zona pellucida is described...
In the past thirty years, significant advances have been made in the field of reproductive biology in unlocking the molecular and biochemical events that regulate spermatogenesis in the mammalian testis. It was possible because of the unprecedented breakthroughs in molecular biology, cell biology, immunology, and biochemistry. In this book entitled, Molecular Mechanisms in Spermatogenesis, a collection of chapters has been included written by colleagues on the latest development in the field using genomic and proteomic approaches to study spermatogenesis, as well as different mechanisms and/or molecules including environmental toxicants and transcription factors that regulate and/or affect s...
This book discusses recent advances in our understanding of the role of oxidants in microbial pathophysiology, providing valuable insights into the complex role of reactive oxygen species (ROS) in host-microbial interactions. The various chapters take readers through the function of ROS in infections ranging from viral to bacterial, and describe how microorganisms have developed complex strategies to not only avoid contact with phagocyte-derived oxidants, but also protect themselves from injury when oxidants are encountered. Featuring the latest research in the field of microbial diseases, this timely book is a ready reference for scientists looking to develop new anti-microbial drugs.
2022 RRB NTPC Previous Solved Papers Volume-1
This book collects research papers on the economic and social impact of earth sciences. It covers topics related to weather forecasting, climate modelling, monsoon variability, air pollution, heat and cold wave, deep sea mineral and living resources, ocean state monitoring, tsunami and earthquake monitoring, desalination, coastal research, etc. The book focuses on the activities of the Ministry of Earth Sciences, India, in promoting the societal and economic impacts of earth science research in a simple language and in the form of stories and case studies, so that people with basic science degree can understand them.