Explore the origin of pure culture technique, including the contributions of Joseph Lister, Robert Koch, Fannie Hesse, agar-agar, gelatin, and the Petri dish. Learn how pure culture methods revolutionized microbiology by enabling the isolation and study of individual microorganisms. Introduction You order a plate of biryani, but someone mixes it with noodles, ice cream, and … Read more
The discovery of role of microbes in causation of disease is one of the most important discoveries in microbiology. It proved that microorganisms such as bacteria, viruses, fungi, and protozoa are responsible for many infectious diseases. This discovery laid the foundation for modern medicine, vaccines, antibiotics, and disease prevention Learn about the discovery of the … Read more
Learn about aberrations in objective lenses, including chromatic aberration, spherical aberration, distortion, astigmatism, coma, and their corrections using achromatic, fluorite, and apochromatic objective lenses in microscopy. Aberrations in objective lenses are optical defects that reduce the quality of microscopic images by preventing light rays from focusing accurately. Introduction Aberrations in the objective lens are a … Read more