Sensors and Actuators, B: Chemical, volume 209, pages 911-918
Turn-on fluorescence probe for selective and sensitive detection of d-penicillamine by CdS quantum dots in aqueous media: Application to pharmaceutical formulation
Publication type: Journal Article
Publication date: 2015-03-01
Journal:
Sensors and Actuators, B: Chemical
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 8.4
ISSN: 09254005
Materials Chemistry
Metals and Alloys
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Instrumentation
Abstract
• Turn-on fluorescence probe for the detection of d -PA in aqueous media. • Fluorescence enhancement due to passivation of surface trap states of MPA-CdS QDs. • Straightforward method with very low LOD (0.1123 μg mL −1 ). • The probe successfully applied to determine d -PA in pharmaceutical formulation. Herein, we report on the development of a novel turn-on fluorescence probe for sensing of d -penicillamine ( d -PA) using 3-mercaptopropionic acid (MPA) capped nanocrystalline cadmium sulphide quantum dots (MPA-CdS QDs) in aqueous solution. The fluorescence intensity of the MPA-CdS QDs was significantly enhanced in the presence of d -PA due to passivation of surface trap states of MPA-CdS QDs through the binding of mercapto group with Cd in core shell which results in the formation of new radiative electron–hole recombination centers. This is proved by some analytical techniques such as fluorescence, DLS and zeta potential measurement. Under the optimum conditions, the MPA-CdS QDs fluorescence probe offers good sensitivity and selectivity for detecting d -PA. The probe offers good linear relationship between 0.1 and 0.8 μg mL −1 for d -PA with limit of detection (LOD) and limit of quantification (LOQ) are 0.1123 μg mL −1 and 0.3402 μg mL −1 , respectively. The method was successfully employed for the analysis of d -PA content in commercial pharmaceutical formulation and revealed quantities almost equal to those measured using the standard method, and demonstrated good accuracy and precision. The common excipients used as additives in pharmaceuticals did not interfere in the proposed method. The method is rapid, simple, accurate and precise without the need for authentic analyte standards. It could therefore be used as an alternative to the quantification of d -PA in pharmaceutical formulations.
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5
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25
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Pawar S. P. et al. Turn-on fluorescence probe for selective and sensitive detection of d-penicillamine by CdS quantum dots in aqueous media: Application to pharmaceutical formulation // Sensors and Actuators, B: Chemical. 2015. Vol. 209. pp. 911-918.
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Pawar S. P., Gore A. H., Walekar L. S., Anbhule P. V., Patil S. R., Kolekar G. B. Turn-on fluorescence probe for selective and sensitive detection of d-penicillamine by CdS quantum dots in aqueous media: Application to pharmaceutical formulation // Sensors and Actuators, B: Chemical. 2015. Vol. 209. pp. 911-918.
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TY - JOUR
DO - 10.1016/j.snb.2014.12.064
UR - https://doi.org/10.1016/j.snb.2014.12.064
TI - Turn-on fluorescence probe for selective and sensitive detection of d-penicillamine by CdS quantum dots in aqueous media: Application to pharmaceutical formulation
T2 - Sensors and Actuators, B: Chemical
AU - Pawar, Samadhan P
AU - Gore, Anil H.
AU - Walekar, Laxman S
AU - Anbhule, P. V.
AU - Patil, Shivajirao R
AU - Kolekar, G. B.
PY - 2015
DA - 2015/03/01 00:00:00
PB - Elsevier
SP - 911-918
VL - 209
SN - 0925-4005
ER -
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@article{2015_Pawar,
author = {Samadhan P Pawar and Anil H. Gore and Laxman S Walekar and P. V. Anbhule and Shivajirao R Patil and G. B. Kolekar},
title = {Turn-on fluorescence probe for selective and sensitive detection of d-penicillamine by CdS quantum dots in aqueous media: Application to pharmaceutical formulation},
journal = {Sensors and Actuators, B: Chemical},
year = {2015},
volume = {209},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.snb.2014.12.064},
pages = {911--918},
doi = {10.1016/j.snb.2014.12.064}
}