نتایج جستجو برای: chemiluminescence properties
تعداد نتایج: 874400 فیلتر نتایج به سال:
Intensity of free radical oxidation processes in vivo (model induced oxidative stress) was studied after the probe introduction Vaccinium axillare Nakai fruit extract. Material and methods. Four groups (n = 40) white male CBA mice weighing 20–25 g were included experiment: 1 – intact control; 2–0.9 % sodium chloride solution administered per os for 10 days a dose ml/kg/day; 3 group “cisplatin” ...
a chemiluminescence (cl) method has been developed for the determination of hydroxyzine (hyd) and its metabolite cetirizine (cet). the method is based on sensitizing effect of cet and hyd on the weak cl reaction between ru(phen)32+ and acidic ce(iv). a mechanism for the cl reaction has been proposed on the basis of uv-vis, fluorescent and cl spectra. by using the recommended procedure, the cali...
In the present work, two aptamer-based probes and related sensor systems were developed with chemiluminescence signaling. The detection was based on "turning-on" chemiluminescence with switching "off" of the resonance energy transfer after the aptamer's recognition of the target molecule. In this design, a DNA/aptamer duplex linked a chemiluminescence group and a gold nanoparticle together. ...
Recent efforts have focused on the use of sericin proteins extracted from cocoons of silkworm as a healthy food source for human consumption. In this study, we focused on the antioxidative properties of sericin proteins. The antioxidative properties were measured in sericin proteins extracted from the shell of the cocoon, designated hereafter as white sericin protein and yellow-green sericin pr...
The chemiluminescence of gallic acid by hydrogen peroxide had completely inhibited by the presence of ascorbate. After ascorbate had disappeared by oxidation, chemiluminescence returned. The concentration of gallic acid was virtually unchanged by presence of ascorbate, but started to decrease after the disappearance of ascorbate. This might be attributable to the rapid reduction of quinone, whi...
The purpose of the study was to investigate the effects of H(1)-antihistamines of the 1(st) generation (antazoline, bromadryl, brompheniramine, dithiaden, cyclizine, chlorcyclizine, chlorpheniramine, clemastine) and the 2(nd) generation (acrivastine, ketotifen, and loratadine) on the respiratory burst of phagocytes. Reactive oxygen species generation in neutrophils isolated from rat blood was m...
A sensitive and selective chemiluminescence assay for the determination of quinones was developed. The method was based on generation of reactive oxygen species through the redox reaction between quinone and dithiothreitol as reductant, and then the generated reactive oxygen was detected by luminol chemiluminescence. The chemiluminescence was intense, long-lived, and proportional to quinone con...
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