(n.) A bluish black, amorphous substance containing iron and obtained from blood. It exists the red blood corpuscles united with globulin, and the form of hemoglobin or oxyhemoglobin gives to the blood its red color.
Example Sentences:
(1) The renal failure is thought to have resulted from the presence of circulating free hematin, formed as a result of rapid administration of such a relatively large amount.
(2) The dissociation constants KD, for ligands such as bilirubin, indocyanine green, and hematin were determined by measuring the decrease in the intrinsic fluorescence of the proteins attendant on the addition of ligand.
(3) Severe crisis were successfully treated with Hematin.
(4) In addition, further activation of the hematin-catalase response by NaN3 was depressed in the ischemic side of the hippocampus and striatum.
(5) The chemical nature, etiology and clinical features of hematin calculi are discussed.
(6) HTM incorporates Mueller-Hinton medium with additions of 15 micrograms of hematin per ml, 15 micrograms of NAD per ml, and 5 mg of yeast extract per ml as growth-promoting additives.
(7) We have also shown, through the use of these peroxidase assays and by enzyme absorption spectra, that the peroxidase activity attributed to catalase maintained at alkaline pH is a catalytic but not enzymatic activity associated with a hematin group attached to a denatured catalase monomer.
(8) We have demonstrated that the nitroxyl free radical form of the carcinogen N-hydroxy-2-acetylaminofluorene (OH-AAF) is an obligatory intermediate in the cumene hydroperoxide-hematin-induced oxidative activation of this carcinogen into 2-nitrosofluorene and N-acetoxy-2-acetylaminofluorene.
(9) However, its plasma disappearance curve was not appreciably affected by administration of hematin.
(10) A method was developed for making viable counts of Campylobacter fetus (Vibrio fetus) in tube cultures using a medium containing alkaline hematin and incubation in a carbon dioxide incubator.
(11) Heme oxygenase appeared to be the HO-1 form, an assignment based on its amino acid sequence matching the sequence of 2 peptides obtained from purified HO-1 and the immunochemical properties of the cobalt-, hematin-, and bromobenzene-induced rat liver enzyme.
(12) A statistically significant (p.001) improvement of the level of knowledge of drug prices with increasing experience was found: ampicillin, hematinics, and cough syrup prices were better known than the prices of infrequently prescribed drugs (valproic acid, MMR vaccine).
(13) Hematin binding was noncompetitive with transferase activity and did not involve the bilirubin-binding site, suggesting the existence of unique heme-binding sites on these proteins.
(14) After 2 days of hematin administration, about 5 days were required for delta-aminolevulinic acid, and 11 days for porphobilinogen to return to the concentrations that were detected before treatment.
(15) The major hydrocarbon gas products in iron, copper, or hematin catalyzed peroxidation systems were ethane or ethylene from linolenic acid, and pentane from linoleic acid and arachidonic acid.
(16) There were no statistically significant changes in electrolyte concentrations neither in preterm or prolonged pregnancy, nor in acute or chronic fetal asphyxia, in meconial and hematinic mexures samples as well as in oxytocin infusions with a medium of saline.
(17) Rickettsia quintana grew in a liquid medium consisting of a brain-heart infusion base supplemented with starch and hematin.
(18) The peroxyl radical systems employed are microsomal prostaglandin H synthase and arachidonic acid, the hematin-catalyzed decomposition of a lipid hydroperoxide, and the autoxidation of the sulfite anion.
(19) Fifty-five women with a convincing clinical history of menorrhagia associated with recognizable pelvic disease (40 women) or a confirmed coagulation disorder (15 women) were studied through one or more cycles with measurements of menstrual blood loss volume by a modified alkaline hematin method.
(20) It was shown that hematin was responsible for this P type 204 activity and that it was produced only by actively proteolytic strains when grown on a hemoglobin-containing medium.