Confocal microscopy offers some pretty cool perks compared to regular optical microscopes. For starters, it gives you a razor-thin focus depth, cuts out that annoying blurry background glow, and lets you snap crisp, detailed “slices” of thick samples—one after another. This makes it a go-to tool in biomedicine, especially for studying cells and tissues, whether … Read more
What is a Dissecting microscope or a Stereo microscope? A dissecting microscope—also known as a stereo microscope—is an optical microscope study apparatus that enables the observation of an object at low to moderate magnification (typically 5x to 250x) through reflective light versus transmitted light. Thus, it’s a microscope made for viewing little details that could … Read more
Designed to enlarge things too tiny for the human eye to see, a microscope is a tool. It provides a portal to the hidden world of minute structures, allowing medical practitioners, teachers, and researchers to examine materials, cells, and creatures in until unheard-of clarity. Microscopes range significantly in kind, from simple to very sophisticated models. … Read more
Culture medium refers to the nutrient-rich substance that is used in labs to culture microorganisms such as bacteria and fungi. These materials, whether liquid or solid, provide the microbes with needed nutrients, minerals and other factors for growth and reproduction according to step-by-step reports from authoritative sources around the world. The late 19th century was … Read more
Culture Media Examples Components/Comments Primary Purpose Bile esculin agar (BEA) Nutrient agar base with ferric citrate. Hydrolysis of esculin by group D streptococci imparts a brown color to medium; sodium deoxycholate inhibits many bacteria. Differential isolation and presumptive identification of group D streptococci and enterococci Bile esculin azide agar with vancomycin Contains azide to inhibit … Read more
When it comes to culturing bacteria, it is crucial to create the same environmental and nutritional conditions as those found in the natural environment. The majority of culture mediums contain water, which is a major source of carbon and energy and nitrogen. It also contains trace elements, as well as some growth factors. In addition, the pH as well as oxygen tension and Osmolarity must also be considered. Some of the components of media for culture include: Although tap water is appropriate for the use of culture media, it shouldn’t be used in the event that it contains a significant amounts of minerals. In these instances the use of demineralised or distillated water is recommended.
Benedict’s test is a chemical test that is used to test for the presence of reduced sugars within an analytical test. Thus, simple carbohydrates that contain an aldehyde or free ketone functional group are detected using this test. The test is basing itself upon Benedict’s Reagent (also called Benedict’s solution) which is a complex mix of sodium carbonate, sodium citrate, and the pentahydrate of copper(II) Sulfate.
An electron microscope is an instrument which produces an image of a sample by means of a beam of electrons. Optical microscopes use light to form an image, electron microscopes have greater resolution, and can be used to observe objects that are too small to be seen with an optical microscope. In a large variety … Read more
What is Baran Pipette Column? Principle of Baran Pipette Column Principles of adsorption chromatography are used in the Baran pipette column. In this technique, the separation of compounds is achieved through their differential interactions with two key phases: in the stationary phase and the mobile phase. The pasteur pipette is packed with a stationary phase, … Read more
What is gas chromatography? Gas chromatography (GC) is a sophisticated technique that separates, identifies, and quantifies chemical components in complex mixtures. It operates on the principle of distributing the components between a mobile phase and a stationary phase. In GC, the mobile phase is an inert gas like helium, and it acts as a carrier … Read more
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