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Microbiology (from Ancient Greek μῑκρος (mīkros) 'small' βίος (bíos) 'life' and -λογία 'study of') is the scientific study of microorganisms, those being of unicellular (single-celled), multicellular (consisting of complex cells), or acellular (lacking cells).
Microbes.info is a microbiology information portal containing a vast collection of resources including articles, news, frequently asked questions, and links pertaining to the field of microbiology. Our Microbial Planet Archived 15 February 2013 at the Wayback Machine A free poster from the National Academy of Sciences about the positive roles ...
Using mice as test animals, one experiment showed that heating BSE positive brain tissue at 134–138 °C (273–280 °F) for 18 minutes resulted in only a 2.5 log decrease in prion infectivity. [15] Most autoclaves have meters and charts that record or display information, particularly temperature and pressure as a function of time.
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A portable embedded system for microbial concentration measurement in liquid and semi-liquid media using impedance microbiology has been recently proposed. [16] [17] The system is composed of a thermoregulated incubation chamber where the sample under test is stored and a controller for thermoregulation and impedance measurements.
The inflammatory reflex is a prototypical neural circuit that controls cytokine production in the spleen. [15] Action potentials transmitted via the vagus nerve to the spleen mediate the release of acetylcholine , the neurotransmitter that inhibits cytokine release by interacting with alpha7 nicotinic acetylcholine receptors ( CHRNA7 ...
The lichen Xanthoria elegans can continue to photosynthesize at −24 °C. [1]Psychrophiles or cryophiles (adj. psychrophilic or cryophilic) are extremophilic organisms that are capable of growth and reproduction in low temperatures, ranging from −20 °C (−4 °F) [2] to 20 °C (68 °F). [3]