What is Pollen? Requirements for Pollen Microscopy Sample Collection for Pollen Microscopy Observation of Pollen Under Stereo Microscope Requirements Procedure for Observation of Pollen Under Stereo Microscope Observing pollen grains under a stereo microscope is a captivating journey into the hidden world of botanical wonders. With its ability to provide a three-dimensional view, the stereo … Read more
Cheek cells, fascinating eukaryotic entities, grace the lining of our mouths. These microscopic wonders boast a distinct structure that encapsulates a world of biological marvels within their tiny boundaries. Thanks to their ease of shedding, acquiring them for observation has become a simple yet enlightening endeavor. Within the confines of these small entities, a realm … Read more
Under the lens of a microscope lies a world of wonder, and one of the fascinating creatures to observe is the humble worm. These ancient beings have been roaming the earth for hundreds of millions of years, evolving into the diverse forms we see today. In 2018, an article published in National Geographic unveiled the … Read more
The Onion Peel Cell Experiment is a popular and educational activity used to observe and understand the structure of plant cells. This experiment focuses on the onion, a eukaryotic plant known for its multicellular composition. As we delve into this experiment, we explore the essential components that make up a cell, the building blocks of … Read more
What is Protists? Protists are a group of eukaryotic organisms belonging to the Kingdom Protista. They are distinct from animals, plants, and fungi. While all protists are eukaryotes with a nucleus and cellular organelles, they can vary widely in their characteristics. The majority of protists are unicellular, although there are a few multicellular protists, with … Read more
What is Salmonella? Salmonella is a group of gram-negative bacillus bacteria that is responsible for causing food poisoning and subsequent infections in the intestinal tract. While some infections can be effectively treated, there are certain strains that have developed resistance to antibiotics, making them potentially deadly. Consequently, Salmonella infections should not be underestimated and require … Read more
E. coli, short for Escherichia coli, is a versatile bacterium that can be found in a variety of environments, including certain foods, soil, and the intestines of animals, including humans. It belongs to the genus Escherichia and exhibits a wide diversity of strains. While many strains of E. coli are harmless and even beneficial, some … Read more
What is Kirby Bauer Disk Diffusion test? The Kirby-Bauer disk diffusion test is a laboratory method used to determine the effectiveness of antibiotics against bacterial strains. The test is named after its inventors, Drs. Paul Kirby and Robert Bauer, who developed it in the 1960s. In the Kirby-Bauer test, a bacterial culture is spread evenly … Read more
Antimicrobial Susceptibility Testing (AST) Techniques of Antimicrobial Susceptibility test Antimicrobial susceptibility tests in the laboratory can be done by using: Dilution susceptibility tests Disc diffusion susceptibility tests Kirby-Bauer NCCLS modified disc diffusion technique Stokes disc diffusion technique Disadvantages of antimicrobial susceptibility tests Susceptibility tests determine the antimicrobial effect against bacteria in conditions of laboratory (in … Read more
What is Diaphragm of a Microscope? History of Diaphragm Definition of Diaphragm of a Microscope The diaphragm of a microscope is a component that controls the amount of light that passes through the specimen being observed. It is typically located between the light source and the stage, and consists of a series of adjustable blades … Read more
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