نتایج جستجو برای: amphibalanus amphitrite
تعداد نتایج: 275 فیلتر نتایج به سال:
The sesquiterpene hydroquinone avarol (1) was isolated from the marine sponge Dysidea avara, whereas the corresponding quinone, avarone (2), was obtained by oxidation of avarol, and the significantly more lipophilic compounds [3'-(p-chloro-phenyl)avarone (3), 3',4'-ethylenedithioavarone (4), 4'-isopropylthioavarone (5), 4'-tert-butylthioavarone (6), 4'-propylthioavarone (7), 4'-octylthioavarone...
Amphitrite ornata dehaloperoxidase (DHP) is a heme enzyme with a globin structure, which is capable of oxidizing para-halogenated phenols to the corresponding quinones. Cloning, high-level expression, and purification of recombinant DHP are described. Recombinant DHP was assayed by stopped-flow experiments for its ability to oxidatively debrominate 2,4,6-tribromophenol (TBP). The enzymatic acti...
ثابت شده که بارناکل ها یک وسیله مناسب برای پایش فلزات سنگین می باشند. بارناکل balanus amphitrite (crustacea: cirripedia) و رسوب از 5 ایستگاه واقع در آب های ساحلی بندر امام خمینی(ره), ایران, در طی دو فصل زمستان 87 و تابستان 88 جمع آوری شدند. انتخاب ایستگاه ها به گونه ای بود که اولا کل اسکله های بندر را تحت پوشش قرار داده دوما تاثیر فرایند های مختلف کشتیرانی و همچنین صنایع مختلف واقع در بندر، مور...
This study presents updated information on six exotic aquatic species (five crustaceans and one fish): Macrobrachium rosenbergii, Penaeus monodon, Charybdis hellerii, Balanus trigonus, Amphibalanus improvisus, Pterois volitans. The research is based bibliographic available in scientific articles published by the Research Group Fishing Evaluation of Tropical Fishery Resources Biological Photogra...
The marine globin dehaloperoxidase-hemoglobin (DHP) from Amphitrite ornata was found to catalyze the H2O2-dependent oxidation of monohaloindoles, a previously unknown class of substrate for DHP. Using 5-Br-indole as a representative substrate, the major monooxygenated products were found to be 5-Br-2-oxindole and 5-Br-3-oxindolenine. Isotope labeling studies confirmed that the oxygen atom incor...
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