hematin


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Related to hematin: haematin, porphyria

hematin

[′hē·məd·ən]
(organic chemistry)
C34H33O5N4Fe The hydroxide of ferriheme derived from oxidized heme.
References in periodicals archive ?
It is a method dependent on the formation of acid hematin which is not a true solution, and some degree of precipitation occurs at times.
Herein, we demonstrate the enhancement of BOx air breathing cathode performance via the modification of the electrode with hematin. We also investigated the capability and effects of hematin versus hemin to promote an efficient electron transfer mechanisms for oxygen reduction.
Other studies have reported promising correlations between measured blood loss and laboratory methods that quantify the blood loss using absorbent paper or sanitary pads and photometric measurement of alkaline hematin (18).
(17) Tissues and blood turn brown-grey after fixation by the cross-linking effect of formalin and conversion of Hb into other compounds, including blue-brown hematin (Figure 3, B).
The primary efficacy outcome of the study is a clinically-meaningful reduction in menstrual blood loss based upon the alkaline hematin method, a standardized centrally-assessed quantitative measurement of menstrual blood loss.
(4) Title: "Comparative Transcriptome Analysis Reveals Effects of Exogenous Hematin on Anthocyanin Biosynthesis during Strawberry Fruit Ripening." Through RNA sequencing, the authors examined the expression change of genes in strawberries that had been applied with exogenous hematin.
These bacteria do not grow well on agar media apart from hematin and grow best with the addition of PHC pyridoxal hydrochloride which provides the bacteria with vitamin B6 necessary for their growth [2].
General anaerobic medium broth (GAM broth), vitamin K1, and hematin chloride were purchased from Shanghai Kayon Biological Technology Co.
Specific treatment with hematin should be started immediately, with later analysis of plasma and, if required, fecal porphyrins to identify the specific type of acute porphyria.
In the alkaline hematin detergent (AHD575) method, red blood cells are lysed with Triton X-l 00 and sodium hydroxide (NaOH) at pH 13, which converts hemoglobin to hematin, forming a stable complex with Triton X-100.
The double-blind, placebo-controlled clinical trial tested premenopausal women between 18 and 50 years old with cyclic (22 to 35 days) abnormal uterine bleeding in >=4 of the last 6 menstrual cycles, menstrual blood loss >=80 mL as measured by the alkaline hematin method over the first 8 days of menses, >=1 discrete uterine fibroid of any size and location observable by transvaginal ultrasound, follicle-stimulating hormone <=20 mIU/mL, and uterine volume <=20 weeks by exam.