نتایج جستجو برای: amidogen radical
تعداد نتایج: 91447 فیلتر نتایج به سال:
The oxidative metabolism of hydralazine, isoniazid, iproniazid, and phenylhydrazine has been studied using spin-trapping techniques. The oxidation of these hydrazine derivatives, catalyzed by horseradish peroxidase and prostaglandin synthetase, produces reactive free radical intermediates. Enzymatic activation of hydralazine produce the nitrogen-centered hydralazyl radical (RNHNH.); phenylhydra...
In recent years, robot-assisted radical cystectomy has received attention worldwide as a useful procedure that helps to overcome the limitations of open radical cystectomy. We compared the surgical technique, perioperative and oncological outcomes, and learning curve of robot-assisted radical cystectomy with those of open radical cystectomy. The indications for robot-assisted radical cystectomy...
The B2 subunit of ribonucleotide reductase from Escherichia coli contains a tyrosine radical which is essential for enzyme activity. In the reaction between ribonucleotide reductase and the substrate analogue 2'-azido-2'-deoxycytidine 5'-diphosphate a new transient radical is formed. The EPR characteristics of this new radical species are consistent with a localization of the unpaired electron ...
OBJECTIVES To compare the surgical outcomes of laparoscopic radical prostatectomy and robot-assisted radical prostatectomy, including the frequency and location of positive surgical margins. METHODS The study cohort comprised 708 consecutive male patients with clinically localized prostate cancer who underwent laparoscopic radical prostatectomy (n = 551) or robot-assisted radical prostatectom...
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