1
|
Huy BT, Huong LTC, Linh PK, Huyen NTK, Tran NA, Tuan ND, Dao VD, Lee YI. Novel aspartic chiral optical sensor based on β-cyclodextrin-functionalized CdTe nanoparticles. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.109036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
|
2
|
Insights into the formation of an emissive CdTe-quantum-dots/cellulose hybrid film. J Colloid Interface Sci 2020; 579:714-722. [PMID: 32668357 DOI: 10.1016/j.jcis.2020.06.112] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 11/22/2022]
Abstract
Optical and electrical modifications of a highly hydrophilic cellulose regenerated (RC) thin film as result of the inclusion in the film structure of cadmium-tellurium covered with mercaptosuccinic acid quantum dot nanoparticles (CdTe-MSA QDs) are analysed. CdTe-MSA QDs nanoparticles inclusion was performed by dip-coating of the RC film in an aqueous nano QDs solution, and two different immersion periods (2 h and 24 h) were considered. Impedance spectroscopy measurements, which can give information of changes in both film surface and bulk phase were performed for CdTe-MSA QDs inclusion confirmation as well as the estimation of electrical changes associated to QDs modification. Optical characterization of the original support and the CdTe-MSA(2 h) and CdTe-MSA(24 h) modified films was carried out by light transmittance and ellipsometry spectroscopy (at three different take-off angles). According to these results, the inclusion of CdTe-MSA QDs practically does not reduce the high transparency of the film support, but it increases the reflexion index and extinction coefficient of both modified films. Moreover, fluorescence and XPS measurements were also performed for more complete information on the effect caused by the presence of CdTe-MSA QDs in the cellulosic film. A comparison of changes in physicochemical properties of the cellulosic/CdTe-MSA QDs films and those modified with other nanoparticle quantum dots is also performed.
Collapse
|
3
|
Elugoke SE, Adekunle AS, Fayemi OE, Mamba BB, Sherif ESM, Ebenso EE. Carbon-Based Quantum Dots for Electrochemical Detection of Monoamine Neurotransmitters-Review. BIOSENSORS 2020; 10:E162. [PMID: 33142771 PMCID: PMC7693402 DOI: 10.3390/bios10110162] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/09/2020] [Accepted: 08/12/2020] [Indexed: 12/13/2022]
Abstract
Imbalance in the levels of monoamine neurotransmitters have manifested in severe health issues. Electrochemical sensors have been designed for their determination, with good sensitivity recorded. Carbon-based quantum dots have proven to be an important component of electrochemical sensors due to their high conductivity, low cytotoxicity and opto-electronic properties. The quest for more sensitive electrodes with cheaper materials led to the development of electrochemical sensors based on carbon-based quantum dots for the detection of neurotransmitters. The importance of monoamine neurotransmitters (NTs) and the good electrocatalytic activity of carbon and graphene quantum dots (CQDs and GQDs) make the review of the efforts made in the design of such sensors for monoamine NTs of huge necessity. The differences and the similarities between these two quantum dots are highlighted prior to a discussion of their application in electrochemical sensors over the last ten years. Compared to other monoamine NTs, dopamine (DA) was the most studied with GQDs and CQD-based electrochemical sensors.
Collapse
Affiliation(s)
- Saheed E. Elugoke
- Material Science Innovation and Modelling (MaSIM) Research Focus Area, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa; (S.E.E.); (A.S.A.); (O.E.F.)
- Department of Chemistry, School of Physical and Chemical Sciences, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa
| | - Abolanle S. Adekunle
- Material Science Innovation and Modelling (MaSIM) Research Focus Area, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa; (S.E.E.); (A.S.A.); (O.E.F.)
- Department of Chemistry, School of Physical and Chemical Sciences, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa
- Department of Chemistry, Obafemi Awolowo University, Ile-Ife 220005, Nigeria
| | - Omolola E. Fayemi
- Material Science Innovation and Modelling (MaSIM) Research Focus Area, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa; (S.E.E.); (A.S.A.); (O.E.F.)
- Department of Chemistry, School of Physical and Chemical Sciences, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa
| | - Bhekie B. Mamba
- Nanotechnology and Water Sustainability Research Unit, College of Science, Engineering and Technology, University of South Africa, Johannesburg 1709, South Africa;
| | - El-Sayed M. Sherif
- Center of Excellence for Research in Engineering Materials (CEREM), King Saud University, P.O. Box 800, Al-Riyadh 11421, Saudi Arabia;
- Electrochemistry and Corrosion Laboratory, Department of Physical Chemistry, National Research Centre, Cairo 12622, Egypt
| | - Eno E. Ebenso
- Material Science Innovation and Modelling (MaSIM) Research Focus Area, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Mmabatho 2735, South Africa; (S.E.E.); (A.S.A.); (O.E.F.)
- Department of Chemistry, College of Science, Engineering and Technology, University of South Africa, Roodepoort 1710, South Africa
| |
Collapse
|
4
|
Characterization of cellulose membranes modified with luminescent silicon quantum dots nanoparticles. Carbohydr Polym 2016; 151:939-946. [PMID: 27474642 DOI: 10.1016/j.carbpol.2016.05.097] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/26/2016] [Accepted: 05/27/2016] [Indexed: 11/21/2022]
Abstract
A highly hydrophilic planar membrane fabricated with regenerated cellulose (RC-4 membrane), a biocompatible polymer, was modified by inclusion of water-soluble silicon quantum dot nanoparticles (SiQDs). Both bare SiQDs and SiQDs coated with a PAMAM-OH dendrimer were employed in order to obtain luminescent and thermally stable membrane systems (RC-4/SiQDs and RC-4/SiQDs-PAMAM-OH membranes). Original and SiQDs-modified membranes were characterized by fluorescence spectroscopy (steady and confocal), derivative thermogravimetric analysis and impedance spectroscopy measurements. According to these results, both SiQDs-regenerated cellulose composite membranes present luminescent character as well as higher thermal resistance and conductivity than the original sample, although the dendrimer coverage of the SiQDs might partially shield such effects. Moreover, the permanence of SiQDs nanoparticles in the structure of the cellulosic support in aqueous environments and their effect on diffusive transport were determined by water uptake as well as by membrane potential measurements at different concentrations of a model electrolyte (KCl). These results demonstrate the possible use of these stable nano-engineered membranes, which are based on SiQDs nanoparticles, in electrochemical devices under flow conditions.
Collapse
|
5
|
Antony EJ, Shibu A, Ramasamy S, Paulraj MS, Enoch IVMV. Loading of atorvastatin and linezolid in β-cyclodextrin-conjugated cadmium selenide/silica nanoparticles: A spectroscopic study. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 65:194-8. [PMID: 27157743 DOI: 10.1016/j.msec.2016.04.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 03/12/2016] [Accepted: 04/11/2016] [Indexed: 11/25/2022]
Abstract
The preparation of β-cyclodextrin-conjugated cadmium selenide-silica nanoparticles, the loading of two drugs viz., Atorvastatin and linezolid in the cyclodextrin cavity, and the fluorescence energy transfer between CdSe/SiO2 nanoparticles and the drugs encapsulated in the cyclodextrin cavity are reported in this paper. IR spectroscopy, X-ray diffractometry, transmission electron microscopy, and particle size analysis by light-scattering experiment were used as the tools of characterizing the size and the crystal system of the nanoparticles. The nanoparticles fall under hexagonal system. The silica-shell containing CdSe nanoparticles were functionalized by reaction with aminoethylamino-β-cyclodextrin. Fluorescence spectra of the nanoparticles in their free and drug-encapsulated forms were studied. The FÖrster distances between the encapsulated drugs and the CdSe nanoparticles are below 3nm. The change in the FÖrster resonance energy parameters under physiological conditions may aid in tracking the release of drugs from the cavity of the cyclodextrin.
Collapse
Affiliation(s)
- Eva Janet Antony
- Department of Nanosciences & Technology, Karunya University, Coimbatore 641114, Tamil Nadu, India
| | - Abhishek Shibu
- Department of Nanosciences & Technology, Karunya University, Coimbatore 641114, Tamil Nadu, India
| | - Sivaraj Ramasamy
- Department of Chemistry, Karunya University, Coimbatore 641114, Tamil Nadu, India
| | | | - Israel V M V Enoch
- Department of Nanosciences & Technology, Karunya University, Coimbatore 641114, Tamil Nadu, India; Department of Chemistry, Karunya University, Coimbatore 641114, Tamil Nadu, India.
| |
Collapse
|
6
|
Yakoh A, Pinyorospathum C, Siangproh W, Chailapakul O. Biomedical Probes Based on Inorganic Nanoparticles for Electrochemical and Optical Spectroscopy Applications. SENSORS 2015; 15:21427-77. [PMID: 26343676 PMCID: PMC4610547 DOI: 10.3390/s150921427] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/07/2015] [Accepted: 08/10/2015] [Indexed: 01/20/2023]
Abstract
Inorganic nanoparticles usually provide novel and unique physical properties as their size approaches nanometer scale dimensions. The unique physical and optical properties of nanoparticles may lead to applications in a variety of areas, including biomedical detection. Therefore, current research is now increasingly focused on the use of the high surface-to-volume ratios of nanoparticles to fabricate superb chemical- or biosensors for various detection applications. This article highlights various kinds of inorganic nanoparticles, including metal nanoparticles, magnetic nanoparticles, nanocomposites, and semiconductor nanoparticles that can be perceived as useful materials for biomedical probes and points to the outstanding results arising from their use in such probes. The progress in the use of inorganic nanoparticle-based electrochemical, colorimetric and spectrophotometric detection in recent applications, especially bioanalysis, and the main functions of inorganic nanoparticles in detection are reviewed. The article begins with a conceptual discussion of nanoparticles according to types, followed by numerous applications to analytes including biomolecules, disease markers, and pharmaceutical substances. Most of the references cited herein, dating from 2010 to 2015, generally mention one or more of the following characteristics: a low detection limit, good signal amplification and simultaneous detection capabilities.
Collapse
Affiliation(s)
- Abdulhadee Yakoh
- Electrochemistry and Optical Spectroscopy Research Unit (EOSRU), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Chanika Pinyorospathum
- Electrochemistry and Optical Spectroscopy Research Unit (EOSRU), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Weena Siangproh
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23, Wattana, Bangkok 10110, Thailand.
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Research Unit (EOSRU), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| |
Collapse
|
7
|
Cao Y, Wei J, Wu W, Wang S, Hu X, Yu Y. Permethylated-β-Cyclodextrin Capped CdTe Quantum Dot and its Sensitive Fluorescence Analysis of Malachite Green. J Fluoresc 2015; 25:1397-402. [DOI: 10.1007/s10895-015-1630-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Accepted: 07/26/2015] [Indexed: 10/23/2022]
|
8
|
Liu T, Shi F, Boussouar I, Zhou J, Tian D, Li H. Liquid Quantum Dots Constructed by Host-Guest Interaction. ACS Macro Lett 2015; 4:357-360. [PMID: 35596321 DOI: 10.1021/mz500803w] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
It is a challenging task to construct nonionic liquid quantum dots (QDs) with highly optical perfermance. To address the problem, we make a new strategy to construct liquid QDs via host-guest interaction between β-cyclodextrin and adamantane. Macroscopic fluidity and optical performance of liquid QDs can be controlled by the length of polyethylene glycol. The supramolecular compounds can make use of its excellent inclusion capacities to fasten flexible organic long-chain compounds on the surface of QDs to become nonionic. Compared with the ionic liquid QDs, nonionic liquid QDs based on supramolecular self-assembly offered a strong, fast host-guest interaction, avoiding multistep reactions that would be more favorable for maintaining the fluorescent property of QDs.
Collapse
Affiliation(s)
- Ting Liu
- Key Laboratory of Pesticide
and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, People’s Republic of China
| | - Fangdan Shi
- Key Laboratory of Pesticide
and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, People’s Republic of China
| | - Imene Boussouar
- Key Laboratory of Pesticide
and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, People’s Republic of China
| | - Juan Zhou
- Key Laboratory of Pesticide
and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, People’s Republic of China
| | - Demei Tian
- Key Laboratory of Pesticide
and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, People’s Republic of China
| | - Haibing Li
- Key Laboratory of Pesticide
and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, People’s Republic of China
| |
Collapse
|
9
|
Wang LY, Dong LY, Chen L, Fan YB, Wu J, Wang XF, Xie MX. A novel water-soluble quantum dot–neutral red fluorescence resonance energy transfer probe for the selective detection of megestrol acetate. NEW J CHEM 2015. [DOI: 10.1039/c4nj01443j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Megestrol acetate can specifically quench the fluorescence intensity of the β-CD-QD–NR FRET probe at low concentration levels.
Collapse
Affiliation(s)
- Li-Yun Wang
- Analytical & Testing Center of Beijing Normal University
- Beijing 100875
- P. R. China
| | - Ling-Yu Dong
- Analytical & Testing Center of Beijing Normal University
- Beijing 100875
- P. R. China
| | - Luan Chen
- Analytical & Testing Center of Beijing Normal University
- Beijing 100875
- P. R. China
| | - Ya-Bing Fan
- Analytical & Testing Center of Beijing Normal University
- Beijing 100875
- P. R. China
| | - Jing Wu
- Analytical & Testing Center of Beijing Normal University
- Beijing 100875
- P. R. China
| | - Xiang-Feng Wang
- Analytical & Testing Center of Beijing Normal University
- Beijing 100875
- P. R. China
| | - Meng-Xia Xie
- Analytical & Testing Center of Beijing Normal University
- Beijing 100875
- P. R. China
| |
Collapse
|
10
|
β-Cyclodextrin coated CdSe/ZnS quantum dots for vanillin sensoring in food samples. Talanta 2015; 131:286-91. [DOI: 10.1016/j.talanta.2014.07.100] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 07/28/2014] [Accepted: 07/31/2014] [Indexed: 11/24/2022]
|
11
|
Fluorescence “turn on” probe for bromide ion using nanoconjugates of glutathione-capped CdTe@ZnS quantum dots with nickel tetraamino-phthalocyanine: Characterization and size-dependent properties. J Photochem Photobiol A Chem 2013. [DOI: 10.1016/j.jphotochem.2013.05.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
12
|
Adegoke O, Khene S, Nyokong T. Fluorescence “Switch on” of Conjugates of CdTe@ZnS Quantum Dots with Al, Ni and Zn Tetraamino-Phthalocyanines by Hydrogen Peroxide: Characterization and Applications as Luminescent Nanosensors. J Fluoresc 2013; 23:963-74. [DOI: 10.1007/s10895-013-1222-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Accepted: 04/01/2013] [Indexed: 12/01/2022]
|
13
|
Geszke-Moritz M, Moritz M. Quantum dots as versatile probes in medical sciences: Synthesis, modification and properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:1008-21. [DOI: 10.1016/j.msec.2013.01.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 12/16/2012] [Accepted: 01/06/2013] [Indexed: 12/29/2022]
|
14
|
Synthesis of azobenzene substituted tripod-shaped bi(p-phenylene)s. Adsorption on gold and CdS quantum-dots surfaces. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.02.054] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
15
|
Adegoke O, Antunes E, Nyokong T. Nanoconjugates of CdTe@ZnS quantum dots with cobalt tetraamino-phthalocyanine: Characterization and implications for the fluorescence recognition of superoxide anion. J Photochem Photobiol A Chem 2013. [DOI: 10.1016/j.jphotochem.2013.02.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|