Fluorescence depolarization studies of heteroatom-doped CDs

Manoop Chenchiliyan; Hari Krishna Sadhanala; Kusha Sharma; Alix Le Marois; Aharon Gedanken; Dror Fixler

doi:10.1117/12.2508427

Fluorescence depolarization studies of heteroatom-doped CDs

Manoop Chenchiliyan, Hari Krishna Sadhanala, Kusha Sharma, Alix Le Marois, Aharon Gedanken, Dror Fixler

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

Abstract

In this work, we exploited time-resolved fluorescence polarization anisotropy (TRFA) to characterize un-doped and doped carbon dots (CDs). The rotational correlation time related to the size of the particle through classical Stokes-Einstein-Debye equation. The TRFA technique applied in this study achieves picoseconds time resolution, which approximately corresponds to the particle size determination at sub-nanometer precision. The calculated diameter of the CDs from the measured depolarization time constants in aqueous solution is well matches with the actual size of the CDs within the precision. This study proves that the TRFA method is highly complementary with other size determination techniques.

Original language	English
Title of host publication	Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI
Editors	Dan V. Nicolau, Dror Fixler, Ewa M. Goldys
Publisher	SPIE
ISBN (Electronic)	9781510624245
DOIs	https://doi.org/10.1117/12.2508427
Publication status	Published - 2019
Externally published	Yes
Event	Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI 2019 - San Francisco, United States Duration: 2019 Feb 3 → 2019 Feb 4

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume	10891
ISSN (Print)	1605-7422

Conference

Conference	Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI 2019
Country/Territory	United States
City	San Francisco
Period	2019/02/03 → 2019/02/04

Bibliographical note

Publisher Copyright:
© 2019 SPIE.

Subject classification (UKÄ)

Physical Chemistry
Telecommunications

Free keywords

Carbon dots
Fluorescence anisotropy
Hydrodynamic diameter
Nanoparticle sizing

Access to Document

10.1117/12.2508427

Cite this

Chenchiliyan, M., Sadhanala, H. K., Sharma, K., Le Marois, A., Gedanken, A., & Fixler, D. (2019). Fluorescence depolarization studies of heteroatom-doped CDs. In D. V. Nicolau, D. Fixler, & E. M. Goldys (Eds.), Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI Article 108911J (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10891). SPIE. https://doi.org/10.1117/12.2508427

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title = "Fluorescence depolarization studies of heteroatom-doped CDs",

abstract = "In this work, we exploited time-resolved fluorescence polarization anisotropy (TRFA) to characterize un-doped and doped carbon dots (CDs). The rotational correlation time related to the size of the particle through classical Stokes-Einstein-Debye equation. The TRFA technique applied in this study achieves picoseconds time resolution, which approximately corresponds to the particle size determination at sub-nanometer precision. The calculated diameter of the CDs from the measured depolarization time constants in aqueous solution is well matches with the actual size of the CDs within the precision. This study proves that the TRFA method is highly complementary with other size determination techniques.",

keywords = "Carbon dots, Fluorescence anisotropy, Hydrodynamic diameter, Nanoparticle sizing",

author = "Manoop Chenchiliyan and Sadhanala, {Hari Krishna} and Kusha Sharma and {Le Marois}, Alix and Aharon Gedanken and Dror Fixler",

note = "Publisher Copyright: {\textcopyright} 2019 SPIE.; Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI 2019 ; Conference date: 03-02-2019 Through 04-02-2019",

year = "2019",

doi = "10.1117/12.2508427",

language = "English",

series = "Progress in Biomedical Optics and Imaging - Proceedings of SPIE",

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Chenchiliyan, M, Sadhanala, HK, Sharma, K, Le Marois, A, Gedanken, A & Fixler, D 2019, Fluorescence depolarization studies of heteroatom-doped CDs. in DV Nicolau, D Fixler & EM Goldys (eds), Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI., 108911J, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 10891, SPIE, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI 2019, San Francisco, United States, 2019/02/03. https://doi.org/10.1117/12.2508427

Fluorescence depolarization studies of heteroatom-doped CDs. / Chenchiliyan, Manoop; Sadhanala, Hari Krishna; Sharma, Kusha et al.
Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI. ed. / Dan V. Nicolau; Dror Fixler; Ewa M. Goldys. SPIE, 2019. 108911J (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10891).

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

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AU - Sadhanala, Hari Krishna

AU - Sharma, Kusha

AU - Le Marois, Alix

AU - Gedanken, Aharon

AU - Fixler, Dror

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N2 - In this work, we exploited time-resolved fluorescence polarization anisotropy (TRFA) to characterize un-doped and doped carbon dots (CDs). The rotational correlation time related to the size of the particle through classical Stokes-Einstein-Debye equation. The TRFA technique applied in this study achieves picoseconds time resolution, which approximately corresponds to the particle size determination at sub-nanometer precision. The calculated diameter of the CDs from the measured depolarization time constants in aqueous solution is well matches with the actual size of the CDs within the precision. This study proves that the TRFA method is highly complementary with other size determination techniques.

AB - In this work, we exploited time-resolved fluorescence polarization anisotropy (TRFA) to characterize un-doped and doped carbon dots (CDs). The rotational correlation time related to the size of the particle through classical Stokes-Einstein-Debye equation. The TRFA technique applied in this study achieves picoseconds time resolution, which approximately corresponds to the particle size determination at sub-nanometer precision. The calculated diameter of the CDs from the measured depolarization time constants in aqueous solution is well matches with the actual size of the CDs within the precision. This study proves that the TRFA method is highly complementary with other size determination techniques.

KW - Carbon dots

KW - Fluorescence anisotropy

KW - Hydrodynamic diameter

KW - Nanoparticle sizing

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PB - SPIE

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Fluorescence depolarization studies of heteroatom-doped CDs

Abstract

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Bibliographical note

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Free keywords

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