نتایج جستجو برای: zn ii phthalocyanine
تعداد نتایج: 615658 فیلتر نتایج به سال:
A molecularly imprinted polymer (MIP) for tri-O-acetyladenosine (TOAA), PPM(TOAA), was prepared by the combined use of methacrylic acid (MAA) and Zn(II)tetra(4'-methacryloxyphenoxy) phthalocyanine as functional monomers. This MIP exhibited a higher binding ability for TOAA compared to the MIP prepared using only MAA, PM(TOAA), in batch rebinding tests. Scatchard analysis gave a higher associati...
The photosensitization of microorganisms is potentially useful for sterilization and for the treatment of certain bacterial diseases. Until now, any broad spectrum approach has been inhibited because, although Gram-positive bacteria can be photoinactivated by a range of photosensitizers, Gram-negative bacteria have not usually been susceptible to photosensitized destruction. In the present work...
سه کمپلکس جدید,[zn(tdmpp)2h2o](clo4)2.h2o (1) [zn(ncs)cl(tdmpp)] (2) [zni2(tdmpp)] (3) سنتز و از لحاظ ساختاری مورد بررسی قرار گرفته اند. لیگاند 1،1،3،3-تتراکیس(5،3-دی متیل پیرازولیل)پروپان (tdmpp) در ترکیبات ذکر شده، اولین مثال از لیگاند انعطاف پذیر چهاردندانه ای با اتم های دهنده نیتروژن است که به صورت لیگاند کی لیت ساز انتهایی به فلز مرکزی کوئوردینه شده است. یون پرکلرات در ترکیب [zn(tdmpp)2h2o...
The aggregation and photochemistry of the copper (II) 3, 4 00, 4 00, 4 000-tetrasulfonated phthalocyanine, free base phthalocyanine and copper (II) phthalocyanine have been studied by UV–VIS absorption spectroscopy and resonance Raman spectroscopy (RRS). The vibrational mode n3 of (Cu(tsPc) 4K has been used as a probe in RRS measurements. The photochemistry of monomers and dimers of (Cu(tsPc) h...
Under excess illumination, plant photosystem II dissipates excess energy through the quenching of chlorophyll fluorescence, a process known as nonphotochemical quenching. Activation of nonphotochemical quenching has been linked to the conversion of a carotenoid with a conjugation length of nine double bonds (violaxanthin) into an 11-double-bond carotenoid (zeaxanthin). It has been suggested tha...
In this work, the in vitro anti-Leishmania activity of photodynamic liposomes made of soybean phosphatidylcholine, sodium cholate, total polar archaeolipids (TPAs) extracted from the hyperhalophile archaea Halorubrum tebenquichense and the photosensitizer zinc phthalocyanine (ZnPcAL) was compared to that of ultradeformable photodynamic liposomes lacking TPAs (ZnPcUDLs). We found that while ZnPc...
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