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Abdel Hamid M, Habib A, Mabrouk M, Hammad S, Elshahawy M. Dual fluorescence-colorimetric sensor based on silver nanoparticles for determination of tobramycin in its pharmaceutical preparations. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123172. [PMID: 37494813 DOI: 10.1016/j.saa.2023.123172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/28/2023]
Abstract
The purpose of this study is to develop a dual fluorescence-colorimetric sensor for determination of the non-chromophoric drug, tobramycin using fluorescein-modified silver nanoparticles. Fluorescein is adsorbed on the surface of silver nanoparticles resulting in quenching of the fluorescence intensity of fluorescein at 513 nm. Upon addition of tobramycin to fluorescein-bound silver nanoparticles, tobramycin can displace fluorescein from the surface of nanoparticles resulting in nanoparticles aggregation and liberation of free fluorescein restoring its fluorescence. The interaction of tobramycin with fluorescein-bound silver nanoparticles is manifested by a decrease in the surface plasmon resonance band of silver nanoparticles at 395 nm, an increase in the fluorescence intensity of fluorescein at 513 nm and color change of the colloidal solution from yellow to light pink. These spectral effects are directly proportional to the concentration of tobramycin with a linearity range of 0.10 - 0.45 μg mL-1 and 0.05 - 0.45 μg mL-1 for the spectrophotometric and spectrofluorimetric methods, respectively. The proposed methods were applied for determination of tobramycin in Tobrin® ophthalmic solution with mean %recovery ± standard deviation of 99.036 ± 1.737 for the spectrophotometric method and 101.192 ± 1.315 for the spectrofluorimetric method. The optical sensor is simple, rapid, and cost-effective and can be used for determination of tobramycin in bulk and in its pharmaceutical preparations.
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Affiliation(s)
- Mohamed Abdel Hamid
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Ahmed Habib
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Mokhtar Mabrouk
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Sherin Hammad
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Mahmoud Elshahawy
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt.
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2
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Mehta VN, Ghinaiya N, Rohit JV, Singhal RK, Basu H, Kailasa SK. Ligand chemistry of gold, silver and copper nanoparticles for visual read-out assay of pesticides: A review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116607] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Sherazi STH, Mahesar SA, Sirajuddin, Yu X. Role of Capping Agent for the Colorimetric and Fluorescent Sensing of
Different Materials Using Metal Nanoparticles. CURR ANAL CHEM 2022. [DOI: 10.2174/1573411017666210617092818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
The selection of capping agent depends on the method of synthesis, nature
of nanoparticles (NPs), and type of the compounds to be analyzed. Therefore, different types of
capping agents such as surfactants, drugs, amino acids, fatty acids, and polymers are used to increase
stability of NPs, avoid aggregation, keep NPs away from one another, thereby achieving
desired morphology as well as the size of NPs.
Introduction:
Recently, the fabrication of NPs has been extensively carried out using synthetic
chemical routes in a wide range of materials. In this review, a comprehensive assessment of the
colorimetric and fluorescent sensing of metal nanoparticles using different capped agents, such as
surfactants, drugs, amino acids, fatty acids, and polymers has been summarized for the present and
future strategies.
Method:
For the synthesis of metal nanoparticles, different methods, metals, and a variety of capping
agents are used to obtain new properties and explore opportunities for innovative applications.
Result:
Capping agents perform their significant role as stabilizers to avoid the over-growth and
coagulation of nanoparticles.
Conclusion:
Capping agents play an essential role in the colorimetric and fluorescent sensing of
metal nanoparticles for particular analytes.
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Affiliation(s)
| | - Sarfaraz Ahmed Mahesar
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro-76080, Pakistan
| | - Sirajuddin
- HEJ Research
Institute of Chemistry, International Centre for Chemical and Biological Sciences, University of Karachi, Karachi
75270, Pakistan
| | - Xiuzhu Yu
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling
712100, Shaanxi, P. R. China
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Gori M, Thakur A, Sharma A, Flora SJS. Organic-Molecule-Based Fluorescent Chemosensor for Nerve Agents and Organophosphorus Pesticides. Top Curr Chem (Cham) 2021; 379:33. [PMID: 34346011 DOI: 10.1007/s41061-021-00345-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 07/11/2021] [Indexed: 11/29/2022]
Abstract
Organophosphorus (OP) compounds are typically a broad class of compounds that possess various uses such as insecticides, pesticides, etc. One of the most evil utilizations of these compounds is as chemical warfare agents, which pose a greater threat than biological weapons because of their ease of access. OP compounds are highly toxic compounds that cause irreversible inhibition of enzyme acetylcholinesterase, which is essential for hydrolysis of neurotransmitter acetylcholine, leading to series of neurological disorders and even death. Due to the extensive use of these organophosphorus compounds in agriculture, there is an increase in the environmental burden of these toxic chemicals, with severe environmental consequences. Hence, the rapid and sensitive, selective, real-time detection of OP compounds is very much required in terms of environmental protection, health, and survival. Several techniques have been developed over a few decades to easily detect them, but still, numerous challenges and problems remain to be solved. Major advancement has been observed in the development of sensors using the spectroscopic technique over recent years because of the advantages offered over other techniques, which we focus on in the presented review.
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Affiliation(s)
- Muskan Gori
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Ashima Thakur
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Abha Sharma
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India.
| | - S J S Flora
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research, Raebareli, India
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Fauzi NIM, Fen YW, Omar NAS, Hashim HS. Recent Advances on Detection of Insecticides Using Optical Sensors. SENSORS (BASEL, SWITZERLAND) 2021; 21:3856. [PMID: 34204853 PMCID: PMC8199770 DOI: 10.3390/s21113856] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/22/2021] [Accepted: 04/24/2021] [Indexed: 02/07/2023]
Abstract
Insecticides are enormously important to industry requirements and market demands in agriculture. Despite their usefulness, these insecticides can pose a dangerous risk to the safety of food, environment and all living things through various mechanisms of action. Concern about the environmental impact of repeated use of insecticides has prompted many researchers to develop rapid, economical, uncomplicated and user-friendly analytical method for the detection of insecticides. In this regards, optical sensors are considered as favorable methods for insecticides analysis because of their special features including rapid detection time, low cost, easy to use and high selectivity and sensitivity. In this review, current progresses of incorporation between recognition elements and optical sensors for insecticide detection are discussed and evaluated well, by categorizing it based on insecticide chemical classes, including the range of detection and limit of detection. Additionally, this review aims to provide powerful insights to researchers for the future development of optical sensors in the detection of insecticides.
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Affiliation(s)
- Nurul Illya Muhamad Fauzi
- Functional Devices Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (N.I.M.F.); (N.A.S.O.)
| | - Yap Wing Fen
- Functional Devices Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (N.I.M.F.); (N.A.S.O.)
- Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | - Nur Alia Sheh Omar
- Functional Devices Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (N.I.M.F.); (N.A.S.O.)
- Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | - Hazwani Suhaila Hashim
- Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
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Su YC, Lin AY, Hu CC, Chiu TC. Functionalized silver nanoparticles as colorimetric probes for sensing tricyclazole. Food Chem 2021; 347:129044. [PMID: 33472118 DOI: 10.1016/j.foodchem.2021.129044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 12/22/2020] [Accepted: 01/04/2021] [Indexed: 10/22/2022]
Abstract
A colorimetric assay for highly selective and sensitive detection of tricyclazole using fluorescein-functionalized silver nanoparticles (F-AgNPs) as sensing probes was investigated. As the addition of tricyclazole to F-AgNPs, a drastic decrease in the absorbance at 394 nm was detected, which was accompanied with a noticeable color change from yellow to gray. The sensing mechanism involved an interaction between tricyclazole and F-AgNPs, which led to aggregation of the latter, inducing a color change from yellow to gray. An excellent linear calibration curve (R2 = 0.9994) was achieved between absorbance at 394 nm and the tricyclazole concentration in the range between 0.06 and 1.0 ppm. Moreover, the detection limit was estimated at 0.051 ppm. The developed colorimetric assay also showed good selectivity and was successfully utilized to quantify tricyclazole in rice samples with satisfactory recoveries. The proposed assay has been successfully applied for monitoring tricyclazole in rice samples.
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Affiliation(s)
- Yen-Chang Su
- Department of Applied Science, National Taitung University, Taitung, Taiwan.
| | - Ai-Yu Lin
- Department of Applied Science, National Taitung University, Taitung, Taiwan.
| | - Cho-Chun Hu
- Department of Applied Science, National Taitung University, Taitung, Taiwan.
| | - Tai-Chia Chiu
- Department of Applied Science, National Taitung University, Taitung, Taiwan.
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Chavada VD, Bhatt NM, Sanyal M, Shrivastav PS. Dual Fluorescence-colorimetric Silver Nanoparticles Based Sensor for Determination of Olanzapine: Analysis in Rat Plasma and Pharmaceuticals. J Fluoresc 2020; 30:955-967. [PMID: 32548705 DOI: 10.1007/s10895-020-02568-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/03/2020] [Indexed: 11/27/2022]
Abstract
The present work describes a dual-readout assay for the determination of an antipsychotic drug olanzapine using Rhodamine B modified silver nanoparticles (AgNPs). AgNPs, when mixed with Rhodamine B, quenched its fluorescence emission with high quenching efficiency as evident from the Stern Volmer plot. Transmission electron microscopy image and Dynamic Light Scattering histogram of Rhodamine B bound AgNPs showed a stable monodispersed nanosuspension. Addition of olanzapine to Rhodamine B-bound AgNPs resulted in reappearance of fluorescence, which was dependent on the amount of olanzapine added to the system. Besides displacing the surface bound Rhodamine B molecules, it caused aggregation of AgNPs which formed the basis of dual-readout sensor. Several parameters such as pH, reaction time and order of addition of the three components which may influence the analytical signal were studied and optimized. The method was validated for linearity, sensitivity, selectivity, accuracy, precision and recovery. Based on this dual-readout system, linear concentration range was established from 0.05 to 10 µM (fluorescence measurement) and 5.0 to 50 µM (colorimetric response) for olanzapine. The limit of detection (LOD) using fluorescence and colorimetric approach was 0.013 µM and 1.25 µM, respectively. The proposed method showed excellent selectivity for olanzapine in presence of several antipsychotic drugs, cations, sugars and amino acids. Finally, the method was successfully applied to a pharmacokinetic study of olanzapine in rats and also for analyzing pharmaceutical formulations.
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Affiliation(s)
- Vijay D Chavada
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Nejal M Bhatt
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Mallika Sanyal
- Department of Chemistry, St. Xavier's College, Navrangpura, Ahmedabad, 380009, Gujarat, India
| | - Pranav S Shrivastav
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India.
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8
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Ashrafi Tafreshi F, Fatahi Z, Ghasemi SF, Taherian A, Esfandiari N. Ultrasensitive fluorescent detection of pesticides in real sample by using green carbon dots. PLoS One 2020; 15:e0230646. [PMID: 32208468 PMCID: PMC7092965 DOI: 10.1371/journal.pone.0230646] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 03/04/2020] [Indexed: 01/01/2023] Open
Abstract
Pesticides, widely used in modern agriculture, could potentially cause environmental pollution and affect human lives. Hence, the development of a highly sensitive sensing element to detect pesticide residues is crucial for food safety and ecosystem protection. Optical methods based on fluorescence properties provide an ideal approach for screening and quantification of these compounds in different medias including water, plant, and nutritional products. The development of fluorescence emitting carbon dot-based sensors for monitoring pesticides has attracted great attention in recent years. In comparison to other fluorophores, carbon dots have more promising optical features, higher quantum yields and better biocompatibility. This article aims to present a novel fluorescent sensing method of diazinon, glyphosate, and amicarbazone using plant-based carbon dots. A comprehensive characterization of carbon dots obtained from cauliflower was performed by methods including UV-visible, FTIR spectroscopy, fluorometry, AFM, DLS, and zeta sizer. Following this step, carbon dots were used to detect pesticides. The fluorescence quenching property of carbon dots has been utilized to identify detection limit of 0.25, 0.5, and 2 ng ml-1 for diazinon, amicarbazone, and glyphosate, respectively. Also, real sample study revealed that the detection of pesticides accompanied by our developed nano-sensor is repeatable and accurate. According to carbon dots specificity determination, the prepared nano sensor does not have the potential to identify "bromacil" and "dialen super" pesticides but the other three mentioned pesticides are detectable. The results confirm that synthesized green carbon dots are well qualified for application in food safety and environmental monitoring.
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Affiliation(s)
| | - Zahra Fatahi
- Protein Research Center, Shahid Beheshti University, Tehran, Iran
| | | | - Amirali Taherian
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Neda Esfandiari
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
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9
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Liu A, Kou W, Zhang H, Xu J, Zhu L, Kuang S, Huang K, Chen H, Jia Q. Quantification of Trace Organophosphorus Pesticides in Environmental Water via Enrichment by Magnetic-Zirconia Nanocomposites and Online Extractive Electrospray Ionization Mass Spectrometry. Anal Chem 2020; 92:4137-4145. [DOI: 10.1021/acs.analchem.0c00304] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Aiying Liu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Wei Kou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Hua Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Jiaquan Xu
- Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, East China University of Technology, Nanchang, Jiangxi 330013, P. R. China
| | - Lixue Zhu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Siliang Kuang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Keke Huang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Huanwen Chen
- Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, East China University of Technology, Nanchang, Jiangxi 330013, P. R. China
| | - Qiong Jia
- College of Chemistry, Jilin University, Changchun, Jilin 130012, P. R. China
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10
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Li H, Su D, Gao H, Yan X, Kong D, Jin R, Liu X, Wang C, Lu G. Design of Red Emissive Carbon Dots: Robust Performance for Analytical Applications in Pesticide Monitoring. Anal Chem 2020; 92:3198-3205. [DOI: 10.1021/acs.analchem.9b04917] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Hongxia Li
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, People’s Republic of China
| | - Dandan Su
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
| | - Hao Gao
- College of Software, Jilin University, Changchun 130012, People’s Republic of China
| | - Xu Yan
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
| | - Deshuai Kong
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
| | - Rui Jin
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
| | - Xiaomin Liu
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
| | - Chenguang Wang
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
| | - Geyu Lu
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People’s Republic of China
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11
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Chen W, Chen Y, Wang M, Chi Y. Ultrasensitive chemiluminescence biosensors using nucleic acid-functionalized silver-cysteine nanowires as signal amplifying labels. Analyst 2019; 143:1575-1582. [PMID: 29509198 DOI: 10.1039/c7an02085f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Ultrasensitive chemiluminescence (CL) sensors for biomolecules (DNA and proteins) have been developed by adopting DNA-functionalized silver-cysteine hybrid nanowires (p-SCNWs) as signal amplifying labels. The sensing is established from a sandwich-type DNA hybridization, where the target DNA strands are initially hybridized with the capture DNA located at paramagnetic microspheres (PMs) and subsequently hybridized with p-SCNWs functionalized with the signal DNA probe. After magnetic separation, p-SCNWs on the hybrids were completely decomposed with HNO3 to release numerous silver ions. The powerful catalysis of silver ions toward the redox reaction of K2S2O8-Mn2+-H3PO4 causes the generation of KMnO4 that is capable of oxidizing luminol at high pH, triggering an amplified chemiluminescent signal emission. The sensing combines the extraordinary sensitivity of the catalytic chemiluminescence technology and the amplifying strategy via releasing large quantities of silver ions as the catalyst from each hybrid, enabling the assay of target DNA strands at a concentration as low as 0.34 fM. The CL signals associated with single-base pair mismatched DNA strands and non-complementary DNA strands are able to be discriminated well from the CL signal related to the complementary DNA hybridization. Likewise, the combination of p-SCNWs functionalized with an aptamer and PMs/aptamer/thrombin complex allowed the chemiluminescence sensing of thrombin with a low limit of detection corresponding to 0.17 pM.
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Affiliation(s)
- Wenjuan Chen
- Key laboratory for analytical science of food safety and biology, MOE, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, and College of Chemistry, Fuzhou University, Fujian 350108, China.
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13
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Lee JH, Kang S, Ahn M, Jang H, Min DH. Development of Dual-Pore Coexisting Branched Silica Nanoparticles for Efficient Gene-Chemo Cancer Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 13. [PMID: 29251426 DOI: 10.1002/smll.201602363] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 11/12/2016] [Indexed: 05/15/2023]
Abstract
Various strategies for combination therapy to overcome current limitations in cancer therapy have been actively investigated. Among them, simultaneous delivery of multiple drugs is a subject of high interest due to anticipated synergistic effect, but there have been difficulties in designing and developing effective nanomaterials for this purpose. In this work, dual-pore coexisting hybrid porous silica nanoparticles are developed through Volmer-Weber growth pathway for efficient co-delivery of gene and anticancer drug. Based on the different pore sizes (2-3 and 40-45 nm) and surface modifications of the core and branch domains, loading and controlled release of gene and drug are achieved by appropriate strategies for each environment. With excellent loading capacity and low cytotoxicity of the present platform, the combinational cancer therapy is successfully demonstrated against human cervical cancer cell line. Through a series of quantitative analyses, the excellent gene-chemo combinational therapeutic efficiency is successfully demonstrated. It is expected that the present nanoparticle will be applicable to various biomedical fields that require co-delivery of small molecule and nucleic acid.
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Affiliation(s)
- Jong-Hwan Lee
- Department of Chemistry, Seoul National University, Center for RNA Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
| | - Seounghun Kang
- Department of Chemistry, Seoul National University, Center for RNA Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
| | - Minchul Ahn
- Department of Chemistry, Seoul National University, Center for RNA Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
| | - Hongje Jang
- Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul, 01897, Republic of Korea
| | - Dal-Hee Min
- Department of Chemistry, Seoul National University, Center for RNA Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- Institute of Nanobio Convergence Technology, Lemonex Inc., Seoul, 08826, Republic of Korea
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14
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Yan X, Song Y, Zhu C, Li H, Du D, Su X, Lin Y. MnO2 Nanosheet-Carbon Dots Sensing Platform for Sensitive Detection of Organophosphorus Pesticides. Anal Chem 2018; 90:2618-2624. [DOI: 10.1021/acs.analchem.7b04193] [Citation(s) in RCA: 232] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xu Yan
- State
Key Laboratory on Integrated Optoelectronics, College of Electron
Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, China
- School
of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
- Department
of Analytical Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Yang Song
- School
of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Chengzhou Zhu
- School
of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Hongxia Li
- State
Key Laboratory on Integrated Optoelectronics, College of Electron
Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Dan Du
- School
of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Xingguang Su
- Department
of Analytical Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Yuehe Lin
- School
of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
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15
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Luo QJ, Li YX, Zhang MQ, Qiu P, Deng YH. A highly sensitive, dual-signal assay based on rhodamine B covered silver nanoparticles for carbamate pesticides. CHINESE CHEM LETT 2017. [DOI: 10.1016/j.cclet.2016.10.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Luo QJ, Li ZG, Lai JH, Li FQ, Qiu P, Wang XL. An on–off–on gold nanocluster-based fluorescent probe for sensitive detection of organophosphorus pesticides. RSC Adv 2017. [DOI: 10.1039/c7ra11835j] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
In this study, a highly sensitive fluorescent probe based on bovine serum protein-protected gold nanoclusters (BSA-AuNCs) was developed for the determination of organophosphorus pesticides (OPs).
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Affiliation(s)
- Q. J. Luo
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Z. G. Li
- Jiangxi Medical Device Testing Center
- Nanchang 330047
- China
| | - J. H. Lai
- Jiangxi Medical Device Testing Center
- Nanchang 330047
- China
| | - F. Q. Li
- Department of Chemistry
- East China University of Technology
- Nanchang 330013
- China
| | - P. Qiu
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - X. L. Wang
- Institute of Translational Medicine
- Nanchang University
- Nanchang
- China
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Kiatkumjorn T, Rattanarat P, Siangproh W, Chailapakul O, Praphairaksit N. Glutathione and l-cysteine modified silver nanoplates-based colorimetric assay for a simple, fast, sensitive and selective determination of nickel. Talanta 2014; 128:215-20. [DOI: 10.1016/j.talanta.2014.04.085] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 04/25/2014] [Accepted: 04/29/2014] [Indexed: 11/29/2022]
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Dungchai W, Sameenoi Y, Chailapakul O, Volckens J, Henry CS. Determination of aerosol oxidative activity using silver nanoparticle aggregation on paper-based analytical devices. Analyst 2014; 138:6766-73. [PMID: 24067623 DOI: 10.1039/c3an01235b] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Airborne particulate matter (PM) pollution significantly impacts human health, but the cellular mechanisms of PM-induced toxicity remain poorly understood. A leading hypothesis on the effects of inhaled PM involves the generation of cellular oxidative stress. To investigate PM-induced oxidative stress, analytical methods have been developed to study the chemical oxidation of dithiothreitol (DTT) in the presence of PM. Although DTT readily reacts with several forms of reactive oxygen species, this molecule is not endogenously produced in biological systems. Glutathione (GSH), on the other hand, is an endogenous antioxidant that is produced throughout the body and is directly involved in combating oxidative stress in the lungs and other tissues. We report here a new method for measuring aerosol oxidative activity that uses silver nanoparticle (AgNP) aggregation coupled to glutathione (GSH) oxidation in a paper-based analytical device. In this assay, the residual reduced GSH from the oxidation of reduced GSH to its disulfide induces the aggregation of AgNPs on a paper-based analytical device, which produces a reddish-brown product. Two methods for aerosol oxidative reactivity are presented: one based on change in color intensity using a traditional paper-based techniques and one based on the length of the color product formed using a distance-based device. These methods were validated against traditional spectroscopic assays for DTT and GSH that employ Elman's reagent. No significant difference was found between the levels measured by all three GSH methods (our two paper-based devices and the traditional method) at the 95% confidence level. PM reactivity towards GSH was less than towards DTT most likely due to the difference in the oxidation potential between the two molecules.
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Affiliation(s)
- Wijitar Dungchai
- Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok, 10140, Thailand
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Xie WY, Huang WT, Zhang JR, Luo HQ, Li NB. A triple-channel optical signal probe for Hg2+ detection based on acridine orange and aptamer-wrapped gold nanoparticles. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm31280h] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Dual fluorescence and electrochemical detection of the organophosphorus pesticides—Ethion, malathion and fenthion. Talanta 2011; 87:276-83. [DOI: 10.1016/j.talanta.2011.10.015] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2011] [Revised: 10/10/2011] [Accepted: 10/13/2011] [Indexed: 11/21/2022]
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Jiang Z, Kun L, Ouyang H, Liang A, Jiang H. A Simple and Sensitive Fluorescence Quenching Method for the Determination of H2O2 Using Rhodamine B and Fe3O4 Nanocatalyst. J Fluoresc 2011; 21:2015-20. [DOI: 10.1007/s10895-011-0902-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Accepted: 05/20/2011] [Indexed: 11/24/2022]
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