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Microorganisms growing on an agar plate. Sterilization (British English: sterilisation) refers to any process that removes, kills, or deactivates all forms of life (particularly microorganisms such as fungi, bacteria, spores, and unicellular eukaryotic organisms) and other biological agents (such as prions or viruses) present in fluid or on a specific surface or object. [1]
Inspection is a process of disinfectant manufacturing that only requires human intervention. [50] Many workers in the inspection phase of mass production of disinfectants have reported accidental inhalation of fumes, direct dermal contact, eye irritation, and accidental ingestion of disinfectant substances.
CDC's Disinfection and Sterilization list of Chemical Disinfectants mentions and discusses substances such as: alcohol, chlorine and chlorine compounds, formaldehyde, glutaraldehyde, hydrogen peroxide, iodophors, ortho-phthalaldehyde (OPA), peracetic acid, peracetic acid and hydrogen peroxide, phenolics, quaternary ammonium compounds, with ...
The supposed superiority of bactericidal agents over bacteriostatic agents is of little relevance when treating the vast majority of infections with gram-positive bacteria, particularly in patients with uncomplicated infections and noncompromised immune systems. Bacteriostatic agents have been effectively used for treatment that are considered ...
The main classes of antimicrobial agents are disinfectants (non-selective agents, such as bleach), which kill a wide range of microbes on non-living surfaces to prevent the spread of illness, antiseptics (which are applied to living tissue and help reduce infection during surgery), and antibiotics (which destroy microorganisms within the body).
A bacteriostatic agent or bacteriostat, abbreviated Bstatic, is a biological or chemical agent that stops bacteria from reproducing, while not necessarily killing them otherwise. Depending on their application, bacteriostatic antibiotics , disinfectants , antiseptics and preservatives can be distinguished.
Multiple compounds are being developed and tested for their microbicidal activity in clinical trials. Microbicides can be formulated in various delivery systems including gels , creams , lotions , aerosol sprays , tablets or films (which must be used near the time of sexual intercourse ) and sponges and vaginal rings (or other devices that ...
The other process is irreversible, using toxins to completely change the target GTPase and shut down or override gene expression. One example of a bacterial virulence factor acting like a eukaryotic protein is Salmonella protein SopE it acts as a GEF, turning the GTPase on to create more GTP.