The effect of inosine on the spectroscopic properties and crystal structure of a NIR-emitting DNA-stabilized silver nanocluster
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The effect of inosine on the spectroscopic properties and crystal structure of a NIR-emitting DNA-stabilized silver nanocluster. / Cerretani, Cecilia; Liisberg, Mikkel B.; Ruck, Vanessa; Kondo, Jiro; Vosch, Tom.
I: Nanoscale Advances, Bind 4, Nr. 15, 20.06.2022, s. 3212–3217.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - The effect of inosine on the spectroscopic properties and crystal structure of a NIR-emitting DNA-stabilized silver nanocluster
AU - Cerretani, Cecilia
AU - Liisberg, Mikkel B.
AU - Ruck, Vanessa
AU - Kondo, Jiro
AU - Vosch, Tom
PY - 2022/6/20
Y1 - 2022/6/20
N2 - The effect of replacing guanosines with inosines in the two stabilizing strands (5 '-CACCTAGCGA-3 ') of the NIR emissive DNA-Ag16NC was investigated. The spectroscopic behavior of the inosine mutants is position-dependent: when the guanosine in position 7 was exchanged, the nanosecond fluorescence decay time shortened, while having the inosine in position 9 made the decay time longer. Thanks to structural information gained from single crystal X-ray diffraction measurements, it was possible to propose a mechanistic origin for the observed changes.
AB - The effect of replacing guanosines with inosines in the two stabilizing strands (5 '-CACCTAGCGA-3 ') of the NIR emissive DNA-Ag16NC was investigated. The spectroscopic behavior of the inosine mutants is position-dependent: when the guanosine in position 7 was exchanged, the nanosecond fluorescence decay time shortened, while having the inosine in position 9 made the decay time longer. Thanks to structural information gained from single crystal X-ray diffraction measurements, it was possible to propose a mechanistic origin for the observed changes.
KW - QUANTUM YIELD
KW - FLUORESCENCE
U2 - 10.1039/d2na00325b
DO - 10.1039/d2na00325b
M3 - Journal article
C2 - 36132821
VL - 4
SP - 3212
EP - 3217
JO - Nanoscale Advances
JF - Nanoscale Advances
SN - 2516-0230
IS - 15
ER -
ID: 313051858