Raman scattering and SEM study of bio-conjugated core-shell CdSe/ZnS quantum dots

T. V. Torchynska; A. Diaz Cano; M. Dybiec; S. Ostapenko; M. Morales Rodrigez; S. Jiménez-Sandoval; Y. Vorobiev; C. Phelan; A. Zajac; T. Zhukov; T. Sellers

doi:10.1002/pssc.200673249

Raman scattering and SEM study of bio-conjugated core-shell CdSe/ZnS quantum dots

T. V. Torchynska, A. Diaz Cano, M. Dybiec, S. Ostapenko, M. Morales Rodrigez, S. Jiménez-Sandoval, Y. Vorobiev, C. Phelan, A. Zajac, T. Zhukov, T. Sellers

Research output: Contribution to journal › Conference article › peer-review

31 Scopus citations

Abstract

Core-shell CdSe/ZnS quantum dots are promising as bio-luminescent markers: being conjugated to bio molecules (proteins), they serve as luminescence tags in antigen-antibody biochemical reaction. This presents a possibility to detect, for example, the variation of the protein biomarkers to promote the early cancer diagnosis. We studied the effect of bio molecules conjugated to QDs using Raman scattering spectra, and found that in some cases the conjugation leads to noticeable variation of these spectra, so that the detection of bio molecules could be done more accurately. An explanation of the effect is proposed.

Translated title of the contribution	Dispersión Raman y estudio SEM de puntos cuánticos de CdSe/ZnS de núcleo-capa bioconjugados
Original language	English
Pages (from-to)	241-243
Number of pages	3
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	4
Issue number	2
DOIs	https://doi.org/10.1002/pssc.200673249
State	Published - 2007
Event	International Conference on Superlattices, Nano-structures and Nano-devices, ICSNN-2006 - Istanbul, Turkey Duration: 30 Jul 2006 → 4 Aug 2006

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Torchynska, T. V., Cano, A. D., Dybiec, M., Ostapenko, S., Rodrigez, M. M., Jiménez-Sandoval, S., Vorobiev, Y., Phelan, C., Zajac, A., Zhukov, T., & Sellers, T. (2007). Raman scattering and SEM study of bio-conjugated core-shell CdSe/ZnS quantum dots. Physica Status Solidi (C) Current Topics in Solid State Physics, 4(2), 241-243. https://doi.org/10.1002/pssc.200673249

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abstract = "Core-shell CdSe/ZnS quantum dots are promising as bio-luminescent markers: being conjugated to bio molecules (proteins), they serve as luminescence tags in antigen-antibody biochemical reaction. This presents a possibility to detect, for example, the variation of the protein biomarkers to promote the early cancer diagnosis. We studied the effect of bio molecules conjugated to QDs using Raman scattering spectra, and found that in some cases the conjugation leads to noticeable variation of these spectra, so that the detection of bio molecules could be done more accurately. An explanation of the effect is proposed.",

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T1 - Raman scattering and SEM study of bio-conjugated core-shell CdSe/ZnS quantum dots

AU - Torchynska, T. V.

AU - Cano, A. Diaz

AU - Dybiec, M.

AU - Ostapenko, S.

AU - Rodrigez, M. Morales

AU - Jiménez-Sandoval, S.

AU - Vorobiev, Y.

AU - Phelan, C.

AU - Zajac, A.

AU - Zhukov, T.

AU - Sellers, T.

PY - 2007

Y1 - 2007

N2 - Core-shell CdSe/ZnS quantum dots are promising as bio-luminescent markers: being conjugated to bio molecules (proteins), they serve as luminescence tags in antigen-antibody biochemical reaction. This presents a possibility to detect, for example, the variation of the protein biomarkers to promote the early cancer diagnosis. We studied the effect of bio molecules conjugated to QDs using Raman scattering spectra, and found that in some cases the conjugation leads to noticeable variation of these spectra, so that the detection of bio molecules could be done more accurately. An explanation of the effect is proposed.

AB - Core-shell CdSe/ZnS quantum dots are promising as bio-luminescent markers: being conjugated to bio molecules (proteins), they serve as luminescence tags in antigen-antibody biochemical reaction. This presents a possibility to detect, for example, the variation of the protein biomarkers to promote the early cancer diagnosis. We studied the effect of bio molecules conjugated to QDs using Raman scattering spectra, and found that in some cases the conjugation leads to noticeable variation of these spectra, so that the detection of bio molecules could be done more accurately. An explanation of the effect is proposed.

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M3 - Artículo de la conferencia

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SP - 241

EP - 243

JO - Physica Status Solidi (C) Current Topics in Solid State Physics

JF - Physica Status Solidi (C) Current Topics in Solid State Physics

IS - 2

T2 - International Conference on Superlattices, Nano-structures and Nano-devices, ICSNN-2006

Y2 - 30 July 2006 through 4 August 2006

ER -

Raman scattering and SEM study of bio-conjugated core-shell CdSe/ZnS quantum dots

Abstract

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