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Role of spacer in single- or two-step FRET: studies in the presence of two connected cryptands with properly chosen. uorophores

DSpace at IIT Bombay

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Title Role of spacer in single- or two-step FRET: studies in the presence of two connected cryptands with properly chosen. uorophores
 
Creator SADHU, KK
CHATTERJEE, S
SEN, S
BHARADWAJ, PK
 
Subject resonance energy-transfer
cation complexation
spectroscopy
enhancement
efficiency
receptor
dna
 
Description Two cryptand molecules are connected via p-xyloyl, benzene-1,4-dicarbolyol and 9,10-dimethylene anthracene. Each cryptand is further derivatized with. uorophores such that electronic absorption of one. uorophore overlaps emission of the other. This way, three different systems L(1), L(2) and L(3) have been synthesized to get a better view of the effect on the distance in single-and two-step fluorescence resonance energy transfer (FRET) process. These molecules are probed for FRET in the presence of a metal ion as input. L(1) and L(2) exhibit poor performance in single step FRET while in the case of L(3), a large two-step FRET process is operational with Cu(II) or Hg(II) as input.
 
Publisher ROYAL SOC CHEMISTRY
 
Date 2011-08-28T17:14:23Z
2011-12-26T12:58:08Z
2011-12-27T05:47:33Z
2011-08-28T17:14:23Z
2011-12-26T12:58:08Z
2011-12-27T05:47:33Z
2010
 
Type Article
 
Identifier DALTON TRANSACTIONS, 39(17), 4146-4154
1477-9226
http://dx.doi.org/10.1039/c000681e
http://dspace.library.iitb.ac.in/xmlui/handle/10054/11797
http://hdl.handle.net/10054/11797
 
Language en