[1] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England
来源:
JOURNAL OF PHYSICAL CHEMISTRY B
|
2000年
/
104卷
/
21期
关键词:
D O I:
10.1021/jp993914k
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Single-molecule fluorescence resonance energy transfer (FRET) combined with bulk fluorescence lifetimes, anisotropy, and spectra have been used to study a donor-acceptor labeled model DNA system (Cy5-5'-ACCTGCCGACGC-3'-TMR). A general ratiometric analysis method using independent donor and acceptor thresholding has been developed. Use of two logical combinations of thresholding criteria provides more information than either method alone, revealing heterogeneity within this system. Conditions yielding similar bulk fluorescence spectra can be readily distinguished by this single-molecule method. Fluorescence lifetimes and anisotropy measurements also suggest nonnegligible fluorophore-DNA interaction.
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Ha, TJ
;
Ting, AY
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Ting, AY
;
Liang, J
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Liang, J
;
Deniz, AA
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Deniz, AA
;
Chemla, DS
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Chemla, DS
;
Schultz, PG
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Schultz, PG
;
Weiss, S
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Ha, TJ
;
Ting, AY
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Ting, AY
;
Liang, J
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Liang, J
;
Deniz, AA
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Deniz, AA
;
Chemla, DS
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Chemla, DS
;
Schultz, PG
论文数: 0引用数: 0
h-index: 0
机构:Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
Schultz, PG
;
Weiss, S
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA