Epidemic: Definition, Causes, Types, and Response
An epidemic is the rapid spread of infectious diseases to a large number of people in a given population within a short period of time. Causes of Epidemics Epidemics of … Read more
Sagar Aryal, PhD
Biochemical Test of Klebsiella pneumoniae
Characteristics Klebsiella pneumoniae Capsule +ve Catalase +ve Citrate +ve Flagella -ve Gas +ve Gelatin Hydrolysis -ve Gram Staining -ve Growth in KCN +ve H2S -ve Indole -ve Motility -ve MR … Read more
Host-Parasite Interactions: Types, Mechanisms & Example
Parasitism is a type of symbiotic relationship between two organisms: a parasite, usually the smaller of the two, and a host, upon which the parasite is physiologically dependent. The host in a host-parasite interaction is … Read more
Mass Spectrometry Explained: Principle, Steps & Uses
Mass Spectrometry (MS) is an analytical chemistry technique that helps identify the amount and type of chemicals present in a sample by measuring the mass-to-charge ratio and abundance of gas-phase … Read more
HPLC: Principle, Parts, Types, Uses, Diagram
High-performance liquid chromatography or commonly known as HPLC, is an analytical technique used to separate, identify or quantify each component in a mixture. The mixture is separated using the basic … Read more
Ion Exchange Chromatography: Principle, Parts, Steps, Uses
Chromatography is the separation of a mixture of compounds into their individual components based on their relative interactions with an inert matrix. What is Ion Exchange Chromatography? Ion exchange chromatography … Read more
Eukaryotic Transcription: Enzymes, Features, Steps, Uses
Eukaryotic Transcription Transcription occurs in eukaryotes in a way that is similar to prokaryotes with reference to the basic steps involved. However, some major differences between them include: Enzyme(s) Involved in … Read more
Electron Microscope: Principle, Types, Uses, Labeled Diagram
An electron microscope is a microscope that uses a beam of accelerated electrons as a source of illumination. It is a special type of microscope having a high resolution of … Read more
Agarose Gel Electrophoresis: Principle, Parts, Steps, Uses
Agarose gel electrophoresis is a method of gel electrophoresis used in biochemistry, molecular biology, genetics, and clinical chemistry to separate a mixed population of macromolecules such as DNA , RNA or proteins in a matrix … Read more
Gas Chromatography: Principle, Parts, Steps, Procedure, Uses
Gas chromatography differs from other forms of chromatography in that the mobile phase is a gas and the components are separated as vapors. Image Source: Bitesize Bio. Principle of Gas … Read more