Beta-lactam antibiotics are those that contain 4-member, nitrogen-containing, beta-lactam ring at the core of their structure. This ring mimics the shape of the terminal D-Ala-D-Ala peptide sequence that serves as the substrate for cell wall […]
Minimum Inhibitory Concentration (MIC) is defined as the lowest concentration (expressed as mg/L or μg/μL) of an antimicrobial agent that inhibits the visible in-vitro growth of microorganisms. The MIC test determines the antimicrobial activity of […]
GasPak anaerobic system is used to create an oxygen-free environment for the growth of anaerobic microorganisms. At present, it is the most commonly used method for anaerobiosis. It is very simple to perform and is […]
Helicobacter pylori is a major human pathogen that is responsible for diseases, such as duodenal ulcer, gastric ulcer, and gastric cancer. It is a spiral-shaped gram-negative rod with 4-6 polar sheathed flagella which resides on the […]
Neisseria gonorrhoeae, the gonococcus, is a gram-negative diplococcus that causes the sexually transmitted disease gonorrhea. Gonorrhea commonly manifests as cervicitis, urethritis, and conjunctivitis. Neisseria gonorrhoeae is an exclusive human pathogen that primarily infects the urogenital […]
Immunochromatography is a combination of chromatography and immunoassay. This technology is in use to a wide array of tests for clinical, veterinary, and industrial applications. Depending on the assay, either antigen (for detection of antibody) […]
SARS-CoV-2 is a novel virus that first appeared in Wuhan, China, in December 2019. It is a member of the Coronaviridae family, so named for their “crown-like” appearance. It is a large family of viruses […]
Viral Transport Media (VTM) are suitable for collection, transport, maintenance and long-term freeze storage of clinical specimens containing viruses, chlamydia, mycoplasma or ureaplasma organisms. It maintains organism viability for 48 hours at room or refrigerated […]
Cepheid, one of the leading molecular diagnostic companies, which is also the manufacturer of GeneXpert System, has received emergency use authorization (EUA) from FDA for its rapid SARS-CoV-2 test kit. This automated molecular test for […]
There are basically three ways to stop infectious diseases like covid19, one involves the interruption of transmission by using extraordinary restrictions including social distancing, another is vaccination (vaccine is in developing phase for Covid19), and […]
Certain bacterial species liberate sulfur from sulfur-containing amino acids or other compounds in the form of H₂S. This ability of these bacteria can be used as an important characteristic of their identification. Hydrogen sulfide-positive organisms […]
Human pathogens of one species can compromise very diverse organisms, typing is a tool to identify those organisms up to their strain level. Typing of bacteria is an important part of epidemiological studies. Currently, a […]
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