What's the difference between acetone and pyroacetic?
Acetone
Definition:
(n.) A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, -- obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.
Example Sentences:
(1) On the other hand, immunofluorescence in anterior pituitary cells was faint and detected in only 2 of 28 patients with Graves' disease (7.1%) after absorption of their sera with rat liver aceton powder.
(2) The acetone, pyruvate and alpha-ketoglutarate hydrazone were identified.
(3) Rat heart acid acetone powder was subjected to ion exchange chromatography on CM-cellulose.
(4) The acetone pellet was solubilized using deoxycholate (DOC) and Thy-1.1 was purified by use of a Lens culinaris lectin affinity column and an AcA-34 gel filtration column.
(5) Defatting with acetone as part of the regimen for cutaneous disinfection does not improve microbial removal or reduce the incidence of catheter-related infection, but increases cutaneous inflammation and patient discomfort.
(6) Diffusion coefficients measured on images of water and acetone phantoms were consistent with published values.
(7) Results of H-agglutination inhibition tests demonstrated that SA could not be detected on the flagellin molecule when the flagellar filaments were dissociated to flagellin monomers by heating or treatment with urea, sodium dodecyl sulfate, HCl, or acetone, although SA could be detected on short flagellar fragments obtained by milder heat treatment.
(8) Thus, with elution by either ATP or pyrophosphate, actin has been purified in one step from extracts of acetone-dried muscle powder.
(9) The mechanism suggested leads to photoemissive triplet excited acetone as expected from the cleavage of an intermediate dioxetane.
(10) The vasoactive substance was obtained only by extraction with dichloroacetic acid, hydrochloric acid, and with methylene chloride, but not with aqueous extract, or by ether, ethanol, or acetone extraction.
(11) 1966.-Antibody responses of rabbits to H, O, and Vi antigens did not differentiate vaccine K (acetone-killed and dried) from vaccine L (heat-phenolized and dried) relative to human efficacy.
(12) The fast fraction, isolated and purified by means of cellulose acetate electrophoresis, precipitated in acid acetone and treated with urea 8 M and mercaptoethanol, revealed an anomalous beta chain.
(13) Acetaldehyde and acetone were also detected in the irradiated squalene, which may be formed via a 6-methyl-5-hepten-2-one intermediate.
(14) Amebae were fixed in methanol-formaldehyde or absolute acetone at -15 degrees C before or after stimulation with micromolar cyclic AMP at room temperature (20-25 degrees C).
(15) The kaolin-induced activation of factor XII (XII) to XIIa was studied in plasminogen-free human citrated plasma treated with acetone in the presence of benzamidine 7.5 mM.
(16) Leaching the lyophilized mitochondrial fraction with either hexane or acetone increased substantially the yields of the metabolites.
(17) Urinary immunoreactive LH and FSH were measured in acetone extracts of 3 h collections prior to, during, and immediately after a 3 h infusion of 100 mug LH-RH.
(18) An acid protease from Monascus kaoliang was purified by consecutive applications of fractional acetone precipitation, batchwise CM-cellulose method and DEAE-cellulose column chromatography.
(19) Suspension of acetone powder in Tris-HC1 buffer prepared from brain homogenate also disclosed chemiluminescence to some extent, whereas liposomes made of extracted brain lipid did not.
(20) These findings agree with an earlier Japanese study in showing some mild decrements on behavioural performance tests with exposures to acetone at 250 ppm.
Pyroacetic
Definition:
(a.) Pertaining to, and designating, a substance (acetone) obtained by the distillation of the acetates. It is now called also pyroacetic ether, and formerly was called pyroacetic spirit.