Practical Procedure

Oct 30 · 5 min read

Haemagglutination Test - Principle, Procedure, Result, Material

Such is the case with the slide and tube Widal test. The agglutinins against the ‘0’ (somatic) and ‘H’ (flagellar) antigens of Salmonella typhi, paratyphi A, and paratyphi B are measured qualitatively (slide test) and quantitatively (Tube test) using a suspension of suitable organisms that have been killed. Widal-quantitative tube agglutination test This test aids

Oct 30 · 5 min read

Detect the presence of specific antibody and quantitate the amount of antibody in patient’s serum

Oct 30 · 2 min read

Detect the presence of specific antibody and quantitate the amount of antibody in patient’s serum

After wastewater treatment, the chemical oxygen demand (COD) is used to determine the amount of contamination in the water. The higher value of chemical oxygen demand implies that the water sample has a greater amount of organic pollutants. The COD test measures only substances that can be chemically digested. The determination of COD requires less

Oct 30 · 2 min read

COD Test – Test for Chemical Oxygen Demand In Wastewater

Oct 17 · 2 min read

COD Test - Test for Chemical Oxygen Demand In Wastewater

All aquatic organisms depend on the oxygen in the water (dissolved oxygen) for survival. As a food supply, aquatic microbes consume the organic matter discharged into the water. Plant decomposition and leaf fall are common sources of organic debris. Using the dissolved oxygen in the water, bacteria will decompose this organic stuff and form less

Oct 17 · 2 min read

BOD Test – Biological Oxygen Demand Test

Oct 17 · 4 min read

BOD Test - Biological Oxygen Demand Test

What is Presence/Absence Test? The availability of potable water for bathing, drinking, and cooking is essential for modern society. Diseases such as diarrhoea, typhoid, cholera, etc., can be transferred by feces-contaminated water and other sources. Different methodologies for bacteriological water testing have been developed. Weiss and Hunter presented a streamlined method for bacteriological testing of

Oct 17 · 4 min read

Coliforms Presence/Absence (PA) Test

Oct 17 · 4 min read

To evaluate the presence of microorganisms in qualitative and quantitative water, the most probable number approach is utilised (mainly coliforms). The abbreviation “MPN” stands for most likely number. Multiple tube fermentation test or MPN method quantifies the amount of coliforms in 100 ml of water sample to measure the water’s quality. The MPN test consists

Oct 17 · 4 min read

Most Probable Number (MPN) Test: Principle, Procedure, Results

Oct 11 · 6 min read

Most Probable Number (MPN) Test: Principle, Procedure, Results

What is Colony Counter? In clinical, food, dairy, and pharmaceutical microbiology, taking a total microbial count or total viable count is a standard practise. Traditional manual methods for counting bacterial colonies (or colony forming units) are laborious, time-consuming, and require a high level of focus. Colony counter offers an alternate, sustainable solution to this issue

Oct 11 · 6 min read

Colony Counter – Definition, Types, Parts, Principle

Sep 30 · 8 min read

Colony Counter - Definition, Types, Parts, Principle

Double Beam Balance Principle The Double Beam Balance (mechanical balance) is intended for laboratory and classroom use. Based on the basic Roberval balance principle, the Double Beam Balance permits the determination of the mass differential (rather than the absolute value) between two objects. These balances are supplied with sliding masses. Double Beam Scales are renowned

Sep 30 · 8 min read

Double Beam Balance – Principle, Procedure, Purpose, Uses

Sep 29 · 2 min read

Double Beam Balance - Principle, Procedure, Purpose, Uses

Triple Beam Balance Definition The triple beam balance is a tool for precisely measuring mass. Typically, such instruments have a reading inaccuracy of 0.05 grammes. Its name alludes to the fact that it has three beams, with the middle beam being the largest, the far beam being of medium size, and the front beam being

Sep 29 · 2 min read

Triple Beam Balance – Parts, Procedure, Uses

Sep 29 · 5 min read

Triple Beam Balance - Parts, Procedure, Uses

What is Analytical Balance? An analytical balance is a highly sensitive laboratory equipment that measures mass with a high degree of precision in the sub-milligram range. The weighing capacity of analytical balances ranges from 100 to 500 g, and their readability ranges from 0.1 mg to 0.001 mg. Analytical balances have a draught shield or

Sep 29 · 5 min read

Analytical Balance – Diagram, Principle, Parts, Types, Uses

Sep 29 · 23 min read

Analytical Balance - Diagram, Principle, Parts, Types, Uses

What is a Vortex Mixer? A vortex mixer, sometimes known as a vortexer, is a typical laboratory tool used to mix small vials of liquid. It comprises of an electric motor with the drive shaft orientated vertically and attached to an off-center, cupped rubber component. The rubber piece oscillates rapidly in a circular motion when

Sep 29 · 23 min read

Vortex Mixer – Definition, Principle, Parts, Uses

Sep 29 · 6 min read

Vortex Mixer - Definition, Principle, Parts, Uses

What is Laboratory flask? Glassware is the category of laboratory equipment that includes laboratory flasks. In the laboratory and other scientific contexts, flasks are typically referred to as flasks. There are a variety of flask forms and sizes, but one defining feature is a broader vessel “body” and one (or sometimes more) narrower tubular pieces

Sep 29 · 6 min read

Laboratory Flask – Definition, Types, Uses

Sep 28 · 4 min read

Laboratory Flask - Definition, Types, Uses

What is Conical Flask or Erlenmeyer flask? A Conical Flask is a flask with a cone-shaped body, a flat bottom, and a cylindrical neck. The Erlenmeyer flask is a form of laboratory flask with a flat bottom, a conical body, and a cylindrical neck. It is also known as a conical flask (British English) or

Sep 28 · 4 min read

Conical Flask (Erlenmeyer flask) – Diagram, Definition, Types, Uses

Sep 28 · 3 min read

Conical Flask (Erlenmeyer flask) - Diagram, Definition, Types, Uses

What is a Petri dish? – Petri dish Meaning Biologists use a Petri dish (also known as a Petri plate or cell-culture dish) to hold growth medium in which cells can be cultivated, originally cells of bacteria, fungus, and tiny mosses. A Petri dish is a clear glass or plastic cylinder with a lid that

Sep 28 · 3 min read

Petri dish – Definition, Structure, Types, Uses

Sep 28 · 6 min read

Petri dish - Definition, Structure, Types, Uses

What is the Test Tube? A test tube, culture tube, or sample tube is a clear, cylindrical container that is typically open at one end and closed at the other. Michael Faraday, a prominent British Physicist and Chemist, invented the test tubes (1791-1867). Boiling tubes are another name for test tubes. These slim containers have

Sep 28 · 6 min read

Laboratory Test Tube – Definition, Types, Uses

Sep 28 · 8 min read

Laboratory Test Tube - Definition, Types, Uses

What is a Bunsen Burner? Robert Bunsen invented the Bunsen burner, which is a type of ambient air gas burner used in laboratories. It has a single open gas flame and is used to heat, sterilise, and burn things. The most interesting thing about the Bunsen burner is that the part of the flame just

Sep 28 · 8 min read

Bunsen Burner – Definition, Principle, Parts, Functions

Sep 28 · 18 min read

Bunsen Burner - Definition, Principle, Parts, Functions

Carry the microscope close to your body, with one hand on the arm and the other on the base, when moving it. If you are confused of which component of the microscope is which, I suggest starting with this section on Microscope Parts & Functions. After removing the dust cover, if applicable, and plugging in

Sep 28 · 18 min read

How To Use A Microscope Properly

Sep 16 · 4 min read

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

Sep 16 · 4 min read

Culture Media Examples, Components and Primary Purpose

Sep 12 · 4 min read

Culture Media Examples, Components and Primary Purpose

The main sources of fructose in the diet are the disaccharide sucrose (cane sugar) and high fructose corn syrups (HFCS) found in processed foods and drinks. It is also found in free form in honey and many fruits. Insulin does not control how much fructose gets into the cells in the body. Glucose, on the

Sep 12 · 4 min read

Fructose Metabolism Pathway – Fructolysis

Sep 12 · 14 min read

Fructose Metabolism Pathway - Fructolysis

Sep 12 · 14 min read

Get Study notes related to practicals of microbiology.

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