The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster

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Standard

The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster. / Gambucci, Marta; Cerretani, Cecilia; Latterini, Loredana; Vosch, Tom.

I: Methods and Applications in Fluorescence, Bind 8, Nr. 1, 03.12.2019, s. 014005.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Gambucci, M, Cerretani, C, Latterini, L & Vosch, T 2019, 'The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster', Methods and Applications in Fluorescence, bind 8, nr. 1, s. 014005. https://doi.org/10.1088/2050-6120/ab47f2

APA

Gambucci, M., Cerretani, C., Latterini, L., & Vosch, T. (2019). The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster. Methods and Applications in Fluorescence, 8(1), 014005. https://doi.org/10.1088/2050-6120/ab47f2

Vancouver

Gambucci M, Cerretani C, Latterini L, Vosch T. The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster. Methods and Applications in Fluorescence. 2019 dec. 3;8(1):014005. https://doi.org/10.1088/2050-6120/ab47f2

Author

Gambucci, Marta ; Cerretani, Cecilia ; Latterini, Loredana ; Vosch, Tom. / The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster. I: Methods and Applications in Fluorescence. 2019 ; Bind 8, Nr. 1. s. 014005.

Bibtex

@article{e4f1e9d2768d4ae485abe81b5abd2155,
title = "The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster",
abstract = "DNA-stabilized silver nanoclusters (DNA-AgNCs) are a class of promising fluorophores for imaging and sensing applications. All aspects of their spectroscopic properties are not yet fully characterized, leaving this field still with a number of fundamental studies to be addressed. In this work, we studied the spectroscopic properties of red-emitting DNA-AgNCs at different pH (5 to 9) and ionic strength μ (0.005 to 0.5). The photophysical properties of high performance liquid chromatography (HPLC) purified DNA-AgNCs proved to be constant over a large range of pH and μ, with absorption, emission and fluorescence decay times only being affected at very high pH and μ values. Non-purified DNA-AgNCs were also unaffected by pH and/or μ variations, but significant differences can be observed between the rotational correlation times of purified and non-purified DNA-AgNCs.",
keywords = "Biosensing Techniques, Chromatography, High Pressure Liquid, DNA/chemistry, Fluorescence, Hydrogen-Ion Concentration, Metal Nanoparticles/chemistry, Osmolar Concentration, Silver/chemistry, Spectrometry, Fluorescence, Time Factors",
author = "Marta Gambucci and Cecilia Cerretani and Loredana Latterini and Tom Vosch",
year = "2019",
month = dec,
day = "3",
doi = "10.1088/2050-6120/ab47f2",
language = "English",
volume = "8",
pages = "014005",
journal = "Methods and Applications in Fluorescence",
issn = "2050-6120",
publisher = "Institute of Physics Publishing Ltd",
number = "1",

}

RIS

TY - JOUR

T1 - The effect of pH and ionic strength on the fluorescence properties of a red emissive DNA-stabilized silver nanocluster

AU - Gambucci, Marta

AU - Cerretani, Cecilia

AU - Latterini, Loredana

AU - Vosch, Tom

PY - 2019/12/3

Y1 - 2019/12/3

N2 - DNA-stabilized silver nanoclusters (DNA-AgNCs) are a class of promising fluorophores for imaging and sensing applications. All aspects of their spectroscopic properties are not yet fully characterized, leaving this field still with a number of fundamental studies to be addressed. In this work, we studied the spectroscopic properties of red-emitting DNA-AgNCs at different pH (5 to 9) and ionic strength μ (0.005 to 0.5). The photophysical properties of high performance liquid chromatography (HPLC) purified DNA-AgNCs proved to be constant over a large range of pH and μ, with absorption, emission and fluorescence decay times only being affected at very high pH and μ values. Non-purified DNA-AgNCs were also unaffected by pH and/or μ variations, but significant differences can be observed between the rotational correlation times of purified and non-purified DNA-AgNCs.

AB - DNA-stabilized silver nanoclusters (DNA-AgNCs) are a class of promising fluorophores for imaging and sensing applications. All aspects of their spectroscopic properties are not yet fully characterized, leaving this field still with a number of fundamental studies to be addressed. In this work, we studied the spectroscopic properties of red-emitting DNA-AgNCs at different pH (5 to 9) and ionic strength μ (0.005 to 0.5). The photophysical properties of high performance liquid chromatography (HPLC) purified DNA-AgNCs proved to be constant over a large range of pH and μ, with absorption, emission and fluorescence decay times only being affected at very high pH and μ values. Non-purified DNA-AgNCs were also unaffected by pH and/or μ variations, but significant differences can be observed between the rotational correlation times of purified and non-purified DNA-AgNCs.

KW - Biosensing Techniques

KW - Chromatography, High Pressure Liquid

KW - DNA/chemistry

KW - Fluorescence

KW - Hydrogen-Ion Concentration

KW - Metal Nanoparticles/chemistry

KW - Osmolar Concentration

KW - Silver/chemistry

KW - Spectrometry, Fluorescence

KW - Time Factors

U2 - 10.1088/2050-6120/ab47f2

DO - 10.1088/2050-6120/ab47f2

M3 - Journal article

C2 - 31794430

VL - 8

SP - 014005

JO - Methods and Applications in Fluorescence

JF - Methods and Applications in Fluorescence

SN - 2050-6120

IS - 1

ER -

ID: 243151498