Science and Technology

Important international Institutions, agencies and fora, their structure and mandate.

An international organization is an organization with an international membership, scope, or presence. There are two main types: International nongovernmental organizations(INGOs): non-governmental organizations (NGOs) that operate internationally. These include international non-profit organizations and worldwide companies such as the World Organization of the Scout Movement, International Committee of the Red Cross. Intergovernmental organizations, also known as international governmental organizations (IGOs): the type of organization most closely associated with … Read more

Production of modern vaccines (production of Hepatitis Vaccine)

Production of modern Vaccines Live Attenuated Vaccines Live vaccines are derived from “wild,” or disease-causing, viruses or bacteria. These wild viruses or bacteria are attenuated, or weakened, in a laboratory, usually by repeated culturing. For example, the measles virus used as a vaccine today was isolated from a child with measles disease in 1954. Almost … Read more

Traditional methods of vaccine production ( production of DPT and Rabies vaccine)

Traditional methods of vaccine production The first human Vaccines against viruses were based using weaker or attenuated viruses to generate immunity. The smallpox vaccine used cowpox, a poxvirus that was similar enough to smallpox to protect against it but usually didn’t cause serious illness. Rabies was the first virus attenuated in a lab to create … Read more

Fundamental concepts in vaccination

Fundamental concepts in vaccination Immunology and Vaccine-Preventable Diseases Immunology is a complicated subject, and a detailed discussion of it is beyond the scope of this text. However, an understanding of the basic function of the immune system is useful in order to understand both how Vaccines work and the basis of recommendations for their use. … Read more

Vaccines: Introduction to immunity

Vaccines A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins. The agent stimulates the body’s immune system to recognize the … Read more

Importance of renewable resources – Solar, Wind, small/Mini/Micro hydel, Biomass, waste based, geothermal, tidal & fuel cells

Importance of renewable Biodiversity can be decreased by increased erosion and thus sedimentation due to deforestation due to construction work and resettlement. Large hydropower plants’ reservoirs produce a significant amount of greenhouse gases such as carbon dioxides and methane, in some cases emissions are found to be higher than from plants running from fossil fuels. … Read more

Application of Space Technology in India with references to Education, Agriculture and Industry. Climatic change, Floods, Cyclone, Tsunami, Natural and Manmade Disaster Management

Applications of Space Technology in India agriculture Information on crop statistics is required for planning and DECISION MAKING purposes, such as, distribution and storage of food grains, Govt. policies, pricing, procurement and Food Security and so on. Ministry of Agriculture and Farmers’ Welfare effectively uses contemporary techniques of satellite remote sensing in such decision making. … Read more

Microbial infections

Microorganisms Microscopic organisms, commonly known as microorganisms or microbes, are found all around us and even inside our bodies. The category ‘Microbes’ includes a massive range of organisms including bacteria, Fungi, viruses, algae, archaea and protozoa. Some of these, such as bacteria and fungi, are well known, but others such as archaea much less so. … Read more

Safe drinking water

Safe Drinking And Supply Safe drinking water is the birthright of all humankind – as much a birthright as clean air. The majority of the world’s Population, however, does not have access to safe drinking water. This is certainly true in most parts of Africa and Asia. Even in relatively advanced countries such as India, … Read more

Genetic engineering

Introduction And Application Of Genetic Engineering Genetic engineering Genetic engineering, the artificial manipulation, modification, and recombination of DNA or other nucleic acid Molecules in order to modify an organism or Population of organisms. The term genetic engineering initially referred to various techniques used for the modification or manipulation of organisms through the processes of heredity … Read more