نتایج جستجو برای: fluorescent probe
تعداد نتایج: 174056 فیلتر نتایج به سال:
Here we describe a novel endonuclease IV (Endo IV) based assay utilizing a substrate that mimics the abasic lesions that normally occur in double-stranded DNA. The three component substrate is characterized by single-stranded DNA target, an oligonucleotide probe, separated from a helper oligonucleotide by a one base gap. The oligonucleotide probe contains a non-fluorescent quencher at the 5' en...
3',6'-Bis(diphenylphosphinyl)fluorescein (PF-1) was synthesized as a highly selective and sensitive fluorescent probe for imaging O(2) (.-) in living cells. The design strategy for the probe was based on the nucleophilic mechanism of O(2) (.-) to mediate deprotection of this probe to give fluorescein. Upon reaction with O(2) (.-), the probe exhibits a strong fluorescence response and high selec...
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