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The S9 fraction is most frequently used in assays that measure the metabolism of drugs and other xenobiotics. It is defined by the U.S. National Library of Medicine 's " IUPAC Glossary of Terms Used in Toxicology" [ 1 ] as the " Supernatant fraction obtained from an organ (usually liver) homogenate by centrifuging at 9000 g for 20 minutes in a ...
The recommendation defines that a difference of one S-unit corresponds to a difference of 6 decibels (dB), equivalent to a voltage ratio of two, or power ratio of four. Signals stronger than S9 are given with an additional dB rating, thus "S9 + 20dB", or, verbally, "20 decibels over S9", or simply "20 over 9" (or even the simpler "20 over").
The study found significant differences between human liver microsomes and human liver S9 fractions in drug-metabolizing enzyme and transporter protein concentrations. The protein-protein correlations of these drug-metabolizing enzymes and transporters was determined relating to the two hepatic preparations.
A study using ovariectomized rats (OVX) reported that an MBP concentration of 1000 μg/kg/day completely reversed the changes caused by OVX, and its activity was equivalent to that of 0.5 μg/kg/day estradiol, suggesting at least 500-fold higher estrogenic activity of MBP than BPA.
S9 amputee swimmers in this class have similar start times to people with legs amputations in S8 to S10 classes. [6] Paralympic S9 swimmers in this class can get water entry distance off the block comparable to Olympic athletes. [6] Compared to able bodied swimmers, swimmers in this class have a shorter stroke length and increased stroke rate. [6]
2,5-Dimethoxy-4-ethylamphetamine (DOET) is a psychedelic drug of the phenethylamine, amphetamine, and DOx families. [8] [6] [3] [2] It is closely related to DOM and is a synthetic analogue of the naturally occurring phenethylamine psychedelic mescaline.
S9 fraction, a postmitochondrial liver fraction; Cowon S9, a portable media player; British NVC community S9, a swamps and tall-herb fens community in the British National Vegetation Classification system; Motorola S9, a Motorola product; S9, a district of the S postcode area in Sheffield, England; S9, a termination record in Motorola's SREC ...
This is a shortened version of the sixth chapter of the ICD-9: Diseases of the Nervous System and Sense Organs.It covers ICD codes 320 to 389.The full chapter can be found on pages 215 to 258 of Volume 1, which contains all (sub)categories of the ICD-9.