نتایج جستجو برای: tannic acid

تعداد نتایج: 747472  

1947
M. Mukherjee

Resident Surgeon, Campbell Hospital, Calcutta An attempt is made in this article to compare the results of general and local treatment of major (Wallace, 1941) burns in the abovementioned years. By major burn is meant any burn that covers more than 1 per cent of the body surface or that covers any joint surface or that is too near any source of natural contamination, e.g. mouth, anus, etc. In 1...

Journal: :Journal of Electrochemical Science and Engineering 2022

Polystyrene (PS) polymer layers were prepared and studied as anti-corrosive barrier on both carbon steel zinc substrates. To increase the corrosion resistance of coatings, two different approaches considered: (i) use mesoporous silica-nanocontainers impregnated with a inhibitor (tannic acid) introduced into polystyrene matrix (ii) direct impregnation coatings same inhibitor. The nanocontainers ...

2016
Zübeyir Huyut Mehmet Ramazan Şekeroğlu Ragıp Balahoroğlu Tahsin Karakoyun Erdem Çokluk

It has been reported that many modifications occur with the increase of oxidative stress during storage in erythrocytes. In order to delay these negative changes, we evaluated whether the addition of substances likely to protect antioxidant capacity in stored blood would be useful. Therefore, we investigated the effects of resveratrol, tannic acid, and caffeic acid in lipid peroxidation and ant...

2013
Yoon Hee Kim Miki Yoshimoto Kazuko Nakayama Sousuke Tanino Yoshinori Fujimura Koji Yamada Hirofumi Tachibana

Interleukin (IL)-4 is a critical stimulator that induces ɛ germline transcripts (ɛGT) for switch recombination to initiate immunoglobulin (Ig) E and is important in allergic disease pathogenesis. We found pentagalloylglucose (PGG) inhibited IL-4-induced ɛGT expression. PGG exerted its inhibitory function by suppressing IL-4-induced activation of IL-4Rα, JAK3 and STAT6. Furthermore, tannic acid,...

2012
Hao Zhang Hua Cui Shiwei Yao Kelong Zhang Haikun Tao Haibo Meng

Ionic liquid (IL)-stabilized non-spherical gold nanofluids have been synthesized by a one-step method in aqueous solution. The whole reaction proceeded in room temperature. In the presence of amino-functionalized ionic liquids, gold nanofluids with long-wave surface plasmon resonance (SPR) absorption (>600 nm) could be obtained by adopting tannic acid as the reductant. The specific SPR absorpti...

Journal: :Clinical chemistry 1977
H Yatzidis

Total urinary protein is rapidly precipitated at room temperature by tannic acid. The tannic acid/protein precipitate, dissolved in aqueous triethanolamine/ferric chloride solution, gives a purple-violet color of high absorptivity. Absorbance at 510 nm is linearly related to concentration from 0.05 to 1.50 A for a protein content of 0.05 to 1.50 g/liter, and less than 5 mg/liter can be detected...

2007
Nicolai Müller Melanie Hempel Bodo Philipp Elisabeth M. Gross

Hydrolysable polyphenols are present in Myriophyllum spicatum L. at high concentrations of up to 25% of dry matter and are also excreted. Bacteria associated with the submerged macrophyte M. spicatum isolated from the surrounding water column and epiphytic biofilm were tested for their ability to degrade polyphenols. Several bacterial isolates were capable of growing with tannic acid as the sol...

Journal: :Cellular Physiology and Biochemistry 2013

Journal: :Cancer research 1987
M Das H Mukhtar D P Bik D R Bickers

Naturally occurring plant phenols such as tannic acid, quercetin, myricetin, and anthraflavic acid have been shown to inhibit the mutagenicity of several bay-region diol-epoxides of polycyclic aromatic hydrocarbons including benzo(a)pyrene (BP). The present study was designed to determine whether these plant phenols can alter epidermal cytochrome P-450-dependent monooxygenases in SENCAR mice. I...

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