Abstract
L-glutathione decorated Mn doped ZnS QDs (GSH-Mn: ZnS QDs) were synthesized in aqueous solution. The characterization of as-prepared QDs was carried out through fluorescence, ultraviolet-visible absorption (UV-vis), TEM and Fourier transform infrared spectroscopy (FTIR). Pb2+ had obvious quenching effect on the fluorescence intensity of GSH-Mn: ZnS QDs. Under optimal factors, a nice linear relationship between the fluorescence response and the concentration of Pb2+ was established from 0.025µM to 15.5µM range with a correlation coefficient of 0.9981 and the detection limit is 0.018µ. This probe was triumphantly made use of the detecting of Pb2+ in tap and pond water. At the same time, it was preliminary inferred that the fluorescence quenching way of Pb2+ to QDs was dynamic quenching. The present study provides a simple, low-cost route toward production of GSH-Mn: ZnS QDs for chemo/bio sensing and other adhibition.
Keywords: Mn: ZnS QDs, glutathione, Pb2+, fluorescence quenching.
Current Analytical Chemistry
Title:The Detection of Pb2+ Using Glutathione Capped Mn Doped ZnS QDs
Volume: 11 Issue: 3
Author(s): Wei Bian, Hao Zhang, Fang Wang, Jing Ma, Yanli Wei, Shaomin Shuang and Zongwei Cai
Affiliation:
Keywords: Mn: ZnS QDs, glutathione, Pb2+, fluorescence quenching.
Abstract: L-glutathione decorated Mn doped ZnS QDs (GSH-Mn: ZnS QDs) were synthesized in aqueous solution. The characterization of as-prepared QDs was carried out through fluorescence, ultraviolet-visible absorption (UV-vis), TEM and Fourier transform infrared spectroscopy (FTIR). Pb2+ had obvious quenching effect on the fluorescence intensity of GSH-Mn: ZnS QDs. Under optimal factors, a nice linear relationship between the fluorescence response and the concentration of Pb2+ was established from 0.025µM to 15.5µM range with a correlation coefficient of 0.9981 and the detection limit is 0.018µ. This probe was triumphantly made use of the detecting of Pb2+ in tap and pond water. At the same time, it was preliminary inferred that the fluorescence quenching way of Pb2+ to QDs was dynamic quenching. The present study provides a simple, low-cost route toward production of GSH-Mn: ZnS QDs for chemo/bio sensing and other adhibition.
Export Options
About this article
Cite this article as:
Bian Wei, Zhang Hao, Wang Fang, Ma Jing, Wei Yanli, Shuang Shaomin and Cai Zongwei, The Detection of Pb2+ Using Glutathione Capped Mn Doped ZnS QDs, Current Analytical Chemistry 2015; 11 (3) . https://dx.doi.org/10.2174/1573411011666150213211128
DOI https://dx.doi.org/10.2174/1573411011666150213211128 |
Print ISSN 1573-4110 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6727 |
Call for Papers in Thematic Issues
Advancements in biomedicine, corrosion inhibition/monitoring, and lubrication of carbon dots
Carbon dots, a class of carbon-based nanomaterials, have garnered substantial interest in various scientific and engineering fields due to their unique properties, including excellent optical properties, outstanding biocompatibility, easy preparation, good dispersity, ultrasmall size, low toxicity and environmental friendliness. This special issue of Current Analytical Chemistry aims to showcase cutting-edge ...read more
Analytical methods for environmental and food analysis
In recent years, the study of the chemical composition of food and the environment depends on analytical methods in order to acquire information about the chemical composition, processing, quality control and contamination of soil, water, air, plants and foods, aspects very important for food safety and environmental quality control. There ...read more
Applications of artificial intelligence in chemical analysis
Artificial intelligence (AI) has demonstrated its versatility in almost all scientific fields, especially analytical chemistry, which is leading the way in the integration of AI. According to Chemical Abstract Services, one of the major disciplines contributing to AI-related publications and patents is analytical chemistry. That?s because techniques such as deep ...read more
Bioanalytical and Biosensor Technologies for Target Molecules
Bioanalytical and biosensor technologies constitute the core of detecting and sensing diverse molecules within living organisms, encompassing proteins, DNA, small molecular metabolites, and beyond. These molecules assume pivotal roles in biological processes, rendering their analysis and sensing indispensable for comprehending biological phenomena and unraveling disease mechanisms. In the current landscape ...read more
- Author Guidelines
- Graphical Abstracts
- Fabricating and Stating False Information
- Research Misconduct
- Post Publication Discussions and Corrections
- Publishing Ethics and Rectitude
- Increase Visibility of Your Article
- Archiving Policies
- Peer Review Workflow
- Order Your Article Before Print
- Promote Your Article
- Manuscript Transfer Facility
- Editorial Policies
- Allegations from Whistleblowers
Related Articles
-
Editorial (Hot Topic: Biomarkers of Oxidative Stress and Cancer: From Chemistry, Biology to Clinical Applications and Personalized Therapy)
Current Molecular Medicine Olive Oil and Cancer Risk: an Update of Epidemiological Findings through 2010
Current Pharmaceutical Design Accelerator Production of Scandium Radioisotopes: Sc-43, Sc-44, and Sc-47
Current Radiopharmaceuticals Editorial (Thematic Issue: Targeting Anti-Cancer Agents and Cancer Treatments)
Anti-Cancer Agents in Medicinal Chemistry Exploring siRNA Umpired Nanogels: A Tale of Barrier Combating Carrier
Current Pharmaceutical Design Can PPARγ Ligands Be Used in Cancer Therapy?
Current Medicinal Chemistry - Anti-Cancer Agents Death Receptors as Targets of Cancer Therapeutics
Current Cancer Drug Targets Androgen Receptor Coregulatory Proteins as Potential Therapeutic Targets in the Treatment of Prostate Cancer
Current Cancer Therapy Reviews Prognostic and Predictive Biomarkers in Cancer
Current Cancer Drug Targets The Effects of Italian Mediterranean Organic Diet (IMOD) on Health Status
Current Pharmaceutical Design Cholesterol: A Prelate in Cell Nucleus and its Serendipity
Current Molecular Medicine Editorial (Thematic Issue: Emerging Immunotargets in Genitourinary Tumors)
Current Drug Targets Imaging Cellular Receptors in Breast Cancers: An Overview
Current Pharmaceutical Biotechnology Disposition of Flavonoids Impacts their Efficacy and Safety
Current Drug Metabolism Urtica dioica Extract Inhibits Cell Proliferation and Induces Apoptosis in HepG2 and HTC116 as Gastrointestinal Cancer Cell Lines
Anti-Cancer Agents in Medicinal Chemistry Molecular Mechanisms Regulating Matrix Metalloproteinases
Current Topics in Medicinal Chemistry CCL2-CCR2 Signaling in Disease Pathogenesis
Endocrine, Metabolic & Immune Disorders - Drug Targets The Nutrigenetics and Pharmacogenetics of Vitamin D Pathways
Current Pharmacogenomics and Personalized Medicine Tumour-Specific Uptake of Anti-Cancer Drugs: The Future is Here
Current Drug Metabolism Latest Results for Anti-Angiogenic Drugs in Cancer Treatment
Current Pharmaceutical Design