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Dehghani Z, Akhond M, Hormozi Jangi SR, Absalan G. Highly sensitive enantioselective spectrofluorimetric determination of R-/S-mandelic acid using l-tryptophan-modified amino-functional silica-coated N-doped carbon dots as novel high-throughput chiral nanoprobes. Talanta 2024; 266:124977. [PMID: 37487268 DOI: 10.1016/j.talanta.2023.124977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 07/12/2023] [Accepted: 07/19/2023] [Indexed: 07/26/2023]
Abstract
Amino-functional silica-coated N-doped carbon dots (NH2-SiO2-CDs) were covalently modified by l-tryptophan (chiral selector) by producing an amide bond between carboxyl groups of L-try and amino groups of NH2-SiO2-CDs to develop a novel high throughput chiral nanoprobes (L-try-CONH-SiO2-CDs) for highly sensitive and enantioselective quantification of S-/R-mandelic acid (S-/R-Man). The method showed a great difference between S- and R-isomers (enantioselectivity coefficient = 4.17) due to the ultra-stability of the Meisenheimer complex that was formed between S-isomer and nanoprobe (KS-Man/KR-man = 2122.7, where K is the binding-constant). At optimal experimental conditions, two linear ranges of 0.5-25.0 (LOD of 0.05 μM) and 0.5-22.0 μM (LOD of 0.27 μM) for S- and R-Man, respectively, along with an enhanced sensitivity toward S-isomer (about 5.7-fold higher than R-isomer) were attained. High selectivity for the determination of mandelic acid was achieved compared to metal ions, amino acids, and sugars that commonly coexist with it. Intra-day as well as inter-day assays, respectively, showed RSD values of about 3.2 and 3.9%. The mechanistic studies were performed for proving the enantioselective behavior of the developed nanoprobe. The method was then used for S-/R-mandelic acid determination in bio-samples. The figures of merit for the method were found to be better than those already reported for enantioselective detection of R-/S-Man.
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Affiliation(s)
- Zahra Dehghani
- Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran
| | - Morteza Akhond
- Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran.
| | - Saeed Reza Hormozi Jangi
- Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran
| | - Ghodratollah Absalan
- Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran.
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2
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Hu H, Wu Y, Gong X. Organosilicon-Based Carbon Dots and Their Versatile Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305933. [PMID: 37661362 DOI: 10.1002/smll.202305933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/09/2023] [Indexed: 09/05/2023]
Abstract
Carbon dots (CDs) are a newly discovered type of fluorescent material that has gained significant attention due to their exceptional optical properties, biocompatibility, and other remarkable characteristics. However, single CDs have some drawbacks such as self-quenching, low quantum yield (QY), and poor stability. To address these issues, researchers have turned to organosilicon, which is known for its green, economical, and abundant properties. Organosilicon is widely used in various fields including optics, electronics, and biology. By utilizing organosilicon as a synthetic precursor, the biocompatibility, QY, and resistance to self-quenching of CDs can be improved. Meanwhile, the combination of organosilicon with CDs enables the functionalization of CDs, which significantly expands their original application scenarios. This paper comprehensively analyzes organosilicon in two main categories: precursors for CD synthesis and matrix materials for compounding with CDs. The role of organosilicon in these categories is thoroughly reviewed. In addition, the paper presents various applications of organosilicon compounded CDs, including detection and sensing, anti-counterfeiting, optoelectronic applications, and biological applications. Finally, the paper briefly discusses current development challenges and future directions in the field.
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Affiliation(s)
- Huajiang Hu
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Yongzhong Wu
- School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou, 215009, P. R. China
| | - Xiao Gong
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, P. R. China
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3
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Liu Z, Huang B, Liao X, Wang L, Yang X, Hu X. Salicylic acid doped silica nanoparticles as a fluorescent nanosensor for the detection of Fe 3+ in aqueous solution. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:6404-6411. [PMID: 37861085 DOI: 10.1039/d3ay01464a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
A novel organic-inorganic hybrid nanosensor (SASP) was prepared by a one-step sol-gel method and characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, N2 adsorption-desorption, fluorescence spectroscopy, etc. The nanosensor showed almost 3-fold fluorescence emission quenching upon excitation with a 293 nm wavelength in the presence of 20 μM Fe3+ ions. The presence of 18 other metal ions had no observable effect on the sensitivity and selectivity of the nanosensor. A fluorescence analysis method based on the SASP for the selective detection of Fe3+ was established under optimal conditions. The results showed that there was a linear relationship between the log luminescence value and the concentration of Fe3+ over the range of 2.0 × 10-7-9.0 × 10-5 mol L-1 with a detection limit (3σ) of 2.5 × 10-8 mol L-1. Furthermore, the proposed method was successfully applied for the determination of trace Fe3+ in fetal bovine serum without the interference of other molecules and ions. Good recovery (96.5-104.5%) and a relative standard deviation of less than 8.6% were obtained from serum samples spiked with four levels of Fe3+. Additionally, the nanosensor showed a good reversibility; the fluorescence could be switched "off" and "on" in two ways, by adjusting the pH of the solution and adding metal chelating agent EDTA.
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Affiliation(s)
- Zhongyong Liu
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, P. R. China.
| | - Bomao Huang
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, P. R. China.
| | - Xianglin Liao
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, P. R. China.
| | - Li Wang
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, P. R. China.
| | - Xixiang Yang
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, P. R. China.
| | - Xiaogang Hu
- Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, P. R. China.
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4
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Mohiuddin I, Singh R, Kaur V. A Review of Sensing Applications of Molecularly Imprinted Fluorescent Carbon Dots for Food and Biological Sample Analysis. Crit Rev Anal Chem 2023:1-22. [PMID: 37467171 DOI: 10.1080/10408347.2023.2236215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Molecularly imprinted fluorescent carbon dots (MI-FCDs) find numerous applications in analytical chemistry due to their outstanding photoluminescent properties and having specific pockets for the recognition of target molecules. Despite significant advances, practical applications of MI-FCDs-based fluorescent sensors are still in their initial stages. Therefore, the topical developments in the synthesis, working, and application of MI-FCDs for sensing various target species (e.g., pharmaceuticals, biomolecules, pesticides, food additives, and miscellaneous species) in food and biological media have been highlighted. Moreover, a careful evaluation has been made to select the best methods based on their performance in terms of analytical parameters. To expand the horizons of this field, important challenges and future directions for developing MI-FCDs for practical use are also presented. This review will highlight important aspects of MI-FCDs-based fluorescent sensors for their applicability in food science, material science, environmental science, nanoscience, and biotechnology.
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Affiliation(s)
| | | | - Varinder Kaur
- Department of Chemistry, Panjab University, Chandigarh, India
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Yue B, Wang X, Lian L, Wang Y, Gao W, Zhang H, Zhao J, Lou D. A fiber-packed needle-type extraction device with ionic liquid-based molecularly imprinted polymer as coating for extraction of chlorobenzenes in water samples. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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6
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Li J, Reimers A, Dang KM, Brunk MGK, Drewes J, Hirsch UM, Willems C, Schmelzer CEH, Groth T, Nia AS, Feng X, Adelung R, Sacher WD, Schütt F, Poon JKS. 3D printed neural tissues with in situ optical dopamine sensors. Biosens Bioelectron 2023; 222:114942. [PMID: 36493722 DOI: 10.1016/j.bios.2022.114942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/15/2022] [Accepted: 11/21/2022] [Indexed: 11/28/2022]
Abstract
Engineered neural tissues serve as models for studying neurological conditions and drug screening. Besides observing the cellular physiological properties, in situ monitoring of neurochemical concentrations with cellular spatial resolution in such neural tissues can provide additional valuable insights in models of disease and drug efficacy. In this work, we demonstrate the first three-dimensional (3D) tissue cultures with embedded optical dopamine (DA) sensors. We developed an alginate/Pluronic F127 based bio-ink for human dopaminergic brain tissue printing with tetrapodal-shaped-ZnO microparticles (t-ZnO) additive as the DA sensor. DA quenches the autofluorescence of t-ZnO in physiological environments, and the reduction of the fluorescence intensity serves as an indicator of the DA concentration. The neurons that were 3D printed with the t-ZnO showed good viability, and extensive 3D neural networks were formed within one week after printing. The t-ZnO could sense DA in the 3D printed neural network with a detection limit of 0.137 μM. The results are a first step toward integrating tissue engineering with intensiometric biosensing for advanced artificial tissue/organ monitoring.
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Affiliation(s)
- Jianfeng Li
- Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany; Max Planck-University of Toronto Centre for Neural Science and Technology, Canada.
| | - Armin Reimers
- Institute for Materials Science, Kiel University, 24143, Kiel, Germany
| | - Ka My Dang
- Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany; Max Planck-University of Toronto Centre for Neural Science and Technology, Canada
| | - Michael G K Brunk
- Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany; Max Planck-University of Toronto Centre for Neural Science and Technology, Canada
| | - Jonas Drewes
- Institute for Materials Science, Kiel University, 24143, Kiel, Germany
| | - Ulrike M Hirsch
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Walter-Hülse-Straße 1, 06120, Halle, Germany
| | - Christian Willems
- Department Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, 06120, Halle, Germany
| | - Christian E H Schmelzer
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Walter-Hülse-Straße 1, 06120, Halle, Germany
| | - Thomas Groth
- Department Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, 06120, Halle, Germany
| | - Ali Shaygan Nia
- Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany; Faculty of Chemistry and Food Chemistry & Center for Advancing Electronics Dresden, Technische Universität Dresden, Dresden, 01062, Germany
| | - Xinliang Feng
- Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany; Faculty of Chemistry and Food Chemistry & Center for Advancing Electronics Dresden, Technische Universität Dresden, Dresden, 01062, Germany
| | - Rainer Adelung
- Institute for Materials Science, Kiel University, 24143, Kiel, Germany; Kiel Nano, Surface and Interface Science KiNSIS, Kiel University, Christian-Albrechts-Platz 4, D-24118 Kiel, Germany
| | - Wesley D Sacher
- Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany; Max Planck-University of Toronto Centre for Neural Science and Technology, Canada
| | - Fabian Schütt
- Institute for Materials Science, Kiel University, 24143, Kiel, Germany; Kiel Nano, Surface and Interface Science KiNSIS, Kiel University, Christian-Albrechts-Platz 4, D-24118 Kiel, Germany
| | - Joyce K S Poon
- Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany; Max Planck-University of Toronto Centre for Neural Science and Technology, Canada; Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Canada.
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7
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Red emissive N-doped carbon dots encapsulated within molecularly imprinted polymers for optosensing of pyrraline in fatty foods. Mikrochim Acta 2023; 190:88. [PMID: 36773114 DOI: 10.1007/s00604-023-05669-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 01/20/2023] [Indexed: 02/12/2023]
Abstract
A novel and facile method was proposed for preparation of red emissive N-doped carbon dots encapsulated within molecularly imprinted polymers (RNCDs@MIPs) using a one-pot room-temperature reverse microemulsion polymerization. RNCDs used citric acid and urea as carbon and nitrogen sources by one-step solvothermal synthesis with the optimum emission of 620 nm. Unique optical properties of RNCDs coupled with high selective MIPs make the RNCDs@MIPs conjugate capable to adsorb specific targets of pyrraline (PRL), such a binding event was then transduced to quench fluorescence response signal of the RNCDs. RNCDs@MIPs for PRL showed linearity from 0.1 to 40 μg/L, with a detection limit of 65 ng/L. The RNCDs@MIPs exhibited a good reproducibility of 4.67% obtained from four times of rebinding for PRL. The optosensing probe was successfully applied to the detection of PRL in fatty foods with the spiked recovery of 85.93-106.96%.
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Halicka K, Meloni F, Czok M, Spychalska K, Baluta S, Malecha K, Pilo MI, Cabaj J. New Trends in Fluorescent Nanomaterials-Based Bio/Chemical Sensors for Neurohormones Detection-A Review. ACS OMEGA 2022; 7:33749-33768. [PMID: 36188279 PMCID: PMC9520559 DOI: 10.1021/acsomega.2c04134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/05/2022] [Indexed: 06/16/2023]
Abstract
The study of neurotransmitters and stress hormones allows the determination of indicators of the current stress load in the body. These species also create a proper strategy of stress protection. Nowadays, stress is a general factor that affects the population, and it may cause a wide range of serious disorders. Abnormalities in the level of neurohormones, caused by chronic psychological stress, can occur in, for instance, corporate employees, health care workers, shift workers, policemen, or firefighters. Here we present a new nanomaterials-based sensors technology development for the determination of neurohormones. We focus on fluorescent sensors/biosensors that utilize nanomaterials, such as quantum dots or carbon nanomaterials. Nanomaterials, owing to their diversity in size and shape, have been attracting increasing attention in sensing or bioimaging. They possess unique properties, such as fluorescent, electronic, or photoluminescent features. In this Review, we summarize new trends in adopting nanomaterials for applications in fluorescent sensors for neurohormone monitoring.
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Affiliation(s)
- Kinga Halicka
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Francesca Meloni
- Department
of Chemistry and Pharmacy, University of
Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Mateusz Czok
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Kamila Spychalska
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Sylwia Baluta
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Karol Malecha
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Maria I. Pilo
- Department
of Chemistry and Pharmacy, University of
Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Joanna Cabaj
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
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Barzegarzadeh M, Amini-Fazl MS, Nasrizadeh H. A rapid and sensitive method to detection of Cr3+by using the Fe3O4@Pectin-polymethacrylimide@graphene quantum dot as a sensitive material. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02484-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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10
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Zhu P, Zhao X, Zhang Y, Liu Y, Zhao Z, Yang Z, Liu X, Zhang W, Guo Z, Wang X, Niu Y, Xu M. Mn3+/Mn4+ ion-doped carbon dots as fenton-like catalysts for fluorescence dual-signal detection of dopamine. Front Bioeng Biotechnol 2022; 10:964814. [PMID: 36159685 PMCID: PMC9490222 DOI: 10.3389/fbioe.2022.964814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Carbon dots (CDs), a new zero-dimensional material, have ignited a revolution in the fields of sensing, bioimaging, and biomedicine. However, the difficulty of preparing CDs with Fenton-like catalytic properties has seriously hindered their application in the diagnosis of oxidation/reduction biomolecules or metal ions. Here, an innovative method was successfully established to synthesize Mn3+/Mn4+ ion-doped blue-green fluorescent CDs with Fenton-like catalytic properties using manganese acetate as the manganese source. Specifically, the CDs prepared here were equipped with functional groups of -COOH, NH2, C=O, and Mn-O, offering the possibility to function as a fluorescence sensor. More importantly, the introduction of manganese acetate resulted in the preparation of CDs with Fenton-like catalytic properties, and the dual-signal fluorescence detection of dopamine (DA) was realized with linear ranges of 100–275 nM and 325–525 nM, and the detection limits were 3 and 12 nM, respectively. In addition, due to the Fenton-like catalytic activity of Mn3+/Mn4+ ion-doped CDs, the material has broad application prospects in the detection of oxidation/reduction biomolecules or metal ions related to disease diagnosis and prevention.
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Affiliation(s)
- Peide Zhu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, China
| | - Xuelin Zhao
- Department of Musculoskeletal Tumor, Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, China
- Medical School of Chinese PLA, Beijing, China
| | - Yuqi Zhang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, China
| | - Yinping Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, China
| | - Ziyi Zhao
- Department of Musculoskeletal Tumor, Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Ziji Yang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, China
| | - Xinzhu Liu
- Senior Department of Burns and Plastic Surgery, Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Weiye Zhang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, China
| | - Zixuan Guo
- Department of Musculoskeletal Tumor, Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Xiao Wang
- Medical School of Chinese PLA, Beijing, China
| | - Yingchun Niu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, China
- *Correspondence: Yingchun Niu, ; Meng Xu,
| | - Meng Xu
- Department of Musculoskeletal Tumor, Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, China
- *Correspondence: Yingchun Niu, ; Meng Xu,
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11
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Chen J, Peng Q, Peng X, Zhang H, Zeng H. Probing and Manipulating Noncovalent Interactions in Functional Polymeric Systems. Chem Rev 2022; 122:14594-14678. [PMID: 36054924 DOI: 10.1021/acs.chemrev.2c00215] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Noncovalent interactions, which usually feature tunable strength, reversibility, and environmental adaptability, have been recognized as driving forces in a variety of biological and chemical processes, contributing to the recognition between molecules, the formation of molecule clusters, and the establishment of complex structures of macromolecules. The marriage of noncovalent interactions and conventional covalent polymers offers the systems novel mechanical, physicochemical, and biological properties, which are highly dependent on the binding mechanisms of the noncovalent interactions that can be illuminated via quantification. This review systematically discusses the nanomechanical characterization of typical noncovalent interactions in polymeric systems, mainly through direct force measurements at microscopic, nanoscopic, and molecular levels, which provide quantitative information (e.g., ranges, strengths, and dynamics) on the binding behaviors. The fundamental understandings of intermolecular and interfacial interactions are then correlated to the macroscopic performances of a series of noncovalently bonded polymers, whose functions (e.g., stimuli-responsiveness, self-healing capacity, universal adhesiveness) can be customized through the manipulation of the noncovalent interactions, providing insights into the rational design of advanced materials with applications in biomedical, energy, environmental, and other engineering fields.
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Affiliation(s)
- Jingsi Chen
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Qiongyao Peng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Xuwen Peng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Hao Zhang
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
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12
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Dual selective sensor for exosomes in serum using magnetic imprinted polymer isolation sandwiched with aptamer/graphene oxide based FRET fluorescent ignition. Biosens Bioelectron 2022; 207:114112. [DOI: 10.1016/j.bios.2022.114112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 12/27/2022]
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13
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Zhu X, Han L, Liu H, Sun B. A smartphone-based ratiometric fluorescent sensing system for on-site detection of pyrethroids by using blue-green dual-emission carbon dots. Food Chem 2022; 379:132154. [DOI: 10.1016/j.foodchem.2022.132154] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 12/11/2021] [Accepted: 01/11/2022] [Indexed: 12/26/2022]
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14
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Mutreja V, Kumar A, Sareen S, Pathania K, Sandhu H, Kataria R, Pawar SV, Mehta SK, Park J. Aggregation‐Induced Quenching of Carbon Dots for Detection of Nitric oxide. ChemistrySelect 2022. [DOI: 10.1002/slct.202200448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Vishal Mutreja
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
- Division Chemistry University Institute of Sciences Chandigarh University Gharuan, Mohali Punjab India
- School of Electrical Engineering and Computer Science University of Ottawa Ottawa ON K1 N 6 N5 Canada
| | - Ajay Kumar
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Shweta Sareen
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Khushboo Pathania
- University Institute of Pharmaceutical Sciences (UIPS) Panjab University Chandigarh 160014 India
| | - Harshit Sandhu
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Ramesh Kataria
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Sandip V. Pawar
- University Institute of Pharmaceutical Sciences (UIPS) Panjab University Chandigarh 160014 India
| | - Surinder K. Mehta
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh India
| | - Jeongwon Park
- School of Electrical Engineering and Computer Science University of Ottawa Ottawa ON K1 N 6 N5 Canada
- Department of Electrical and Biomedical Engineering University of Nevada Reno USA
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15
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Direct and Sensitive Detection of Dopamine Using Carbon Quantum Dots Based Refractive Index Surface Plasmon Resonance Sensor. NANOMATERIALS 2022; 12:nano12111799. [PMID: 35683655 PMCID: PMC9182140 DOI: 10.3390/nano12111799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/20/2022] [Accepted: 05/20/2022] [Indexed: 02/07/2023]
Abstract
Abnormality of dopamine (DA), a vital neurotransmitter in the brain’s neuronal pathways, causes several neurological diseases. Rapid and sensitive sensors for DA detection are required for early diagnosis of such disorders. Herein, a carbon quantum dot (CQD)-based refractive index surface plasmon resonance (SPR) sensor was designed. The sensor performance was evaluated for various concentrations of DA. Increasing DA levels yielded blue-shifted SPR dips. The experimental findings revealed an excellent sensitivity response of 0.138°/pM in a linear range from 0.001 to 100 pM and a high binding affinity of 6.234 TM−1. The effects of varied concentrations of DA on the optical characteristics of CQD thin film were further proved theoretically. Increased DA levels decreased the thickness and real part of the refractive index of CQD film, according to fitting results. Furthermore, the observed reduction in surface roughness using AFM demonstrated that DA was bound to the sensor layer. This, in turn, explained the blue shift in SPR reflectance curves. This optical sensor offers great potential as a trustworthy solution for direct measurement due to its simple construction, high sensitivity, and other sensing features.
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Shi J, Zhang X, Zhang Q, Yang P. Ultrasensitive and Highly Selective Detection of Bisphenol a Using Core-Shell Magnetic Molecularly Imprinted Quantum Dots Electrochemiluminescent Probe. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 108:379-385. [PMID: 34379138 DOI: 10.1007/s00128-021-03351-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 07/24/2021] [Indexed: 06/13/2023]
Abstract
The main aim of this work was to develop a magnetic molecularly imprinted polymer (MMIP)-based quantum dots electrochemiluminescent (ECL) probe for the ultrasensitive and highly selective detection of bisphenol A (BPA). The prepared core-shell Fe3O4@SiO2 exhibited superparamagnetic properties, making them easy to separate. The MIP was fabricated by the self-polymerization of dopamine on the surface of amine-terminated Fe3O4@SiO2 (Fe3O4@SiO2-NH2) magnetic nanoparticles and doped with quantum dots (QDs) to form an ECL system. The ECL intensity decrease with the concentration of BPA increased, due to the BPA molecules occupied molecularly imprinted sites and blocked the strong ECL emission of QDs. The prepared ECL sensor performed satisfactorily in the detection of BPA, with a wide linear range from 10- 4 to 10- 9 mol L- 1 and a low detection limit of 3.4 × 10- 10 mol L- 1 (S/N = 3). The recoveries of BPA achieved were in the range 96%-107% in the detection of actual water samples. The proposed ECL sensor displayed high sensitivity and stability, and may provide an approach for determining other important analytes.
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Affiliation(s)
- Jianjun Shi
- School of Chemical Engineering, Anhui University of Science and Technology, 232001, Huainan, China.
- Institute of Environment-friendly Materials and Occupational Health, Anhui University of Science and Technology, 241003, Wuhu, China.
| | - Xinyi Zhang
- School of Chemical Engineering, Anhui University of Science and Technology, 232001, Huainan, China
- Institute of Environment-friendly Materials and Occupational Health, Anhui University of Science and Technology, 241003, Wuhu, China
| | - Qianqian Zhang
- School of Chemical Engineering, Anhui University of Science and Technology, 232001, Huainan, China
| | - Ping Yang
- School of Chemical Engineering, Anhui University of Science and Technology, 232001, Huainan, China
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17
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Shekarbeygi Z, Karami C, Esmaeili E, Moradi S, Shahlaei M. Development of Ag nanoparticle-carbon quantum dot nanocomplex as fluorescence sensor for determination of gemcitabine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 262:120148. [PMID: 34247037 DOI: 10.1016/j.saa.2021.120148] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 06/30/2021] [Accepted: 07/01/2021] [Indexed: 05/08/2023]
Abstract
Gemcitabine hydrochloride is an established chemotherapeutic agent in several solid tumors. In spite of outstanding therapeutic efficacy, there are some serious fetal side effects with gemcitabine in higher concentrations which necessitate developing a sensitive sensor for its quantification. Herein, a fluorescent metal-nanoparticles conjugated carbon quantum dot (MN-CQD) was prepared by a mixture of citric acid/ammonia sulfate and different metals using hydrothermal method. Based on the primary experiments, the efficiency of Ag nanoparticle-CQDs for gemcitabine determination was found to be much better than others. The AgNp-CQDs fluorescence was quenched by gemcitabine anticancer drug via photo-induced charge transfer which renders the system into fluorescence "OFF" status. Under the experimental conditions, the linear range of detection was 0.003-0.1 μM in an aqueous solution with a correlation coefficient of 0.96 and a limit of detection equal to 0.002 µM. The relative standard deviation (RSD) for gemcitabine determination was 3.4% (n = 3). Finally, after optimizing the conditions, the concentration of analyte was determined in real samples including human plasma and urine. These results confirm that the as prepared fluorescence based nanosensor can be used for sensitive quantification of gemcitabine in real samples.
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Affiliation(s)
- Zahra Shekarbeygi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Changiz Karami
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Esmaeil Esmaeili
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sajad Moradi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Mohsen Shahlaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Dong X, Wang Y, Guan R, Ren J, Xie Z. Silane-Functionalized Carbon Dots and Their Polymerized Hybrids: From Optoelectronics to Biotherapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2105273. [PMID: 34741428 DOI: 10.1002/smll.202105273] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Indexed: 06/13/2023]
Abstract
Nanomaterials usually manifest unique properties in solutions but will be undermined in the solid state. It is necessary to incorporate them into substrates or hybrid them with other functional materials for multiple devices and applications. Though there are a variety of methods to inherit their intrinsic properties like fluorescent and mechanical performance, most nanohybrid materials would lose their transparency irreversibly when construct solid-state devices. As a hot topic of nanomaterials in recent years, scientific works found a type of carbon dots using silane coupling agents as precursors that can overcome the shortcoming. These carbon dots, called silane-functionalized carbon dots (SiCDs), are catching increasing interest due to their versatility. Silane coupling agents endow SiCDs with the ability to disperse in solvents or polymerize with matrices by blending or covalent bonds without loss of transparency and decline of performance. The distinguishing features make SiCDs an ideal high transmittance, high doping concentration nanomaterial. The synergistic effect of SiCDs and hybridized sol-gel solid structures can not only hold the optical features of CDs but also enhance their original physical and chemical performance. This highlight focuses on the connection between SiCDs and organosilanes. Plus, preparation methods, applications, and prospective of SiCDs are mentioned.
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Affiliation(s)
- Xuezhe Dong
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, P. R. China
| | - Yunfeng Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, China
| | - Ruifang Guan
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, P. R. China
| | - Junkai Ren
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Zheng Xie
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
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Zhu X, Yuan X, Han L, Liu H, Sun B. A smartphone-integrated optosensing platform based on red-emission carbon dots for real-time detection of pyrethroids. Biosens Bioelectron 2021; 191:113460. [PMID: 34186303 DOI: 10.1016/j.bios.2021.113460] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/01/2021] [Accepted: 06/05/2021] [Indexed: 01/09/2023]
Abstract
This report described the development of an optosensing platform based on red-emission carbon dots (RCDs) integrated with a smartphone application that, together, can detect pyrethroids in real time. Based on the high stability and selectivity of molecular imprinting technology, RCDs-based optosensing imprinted polymers was obtained by using a one-pot inverse microemulsion surface imprinting method. Lambda-cyhalothrin (LC), which is a pyrethroid pesticide, can interact with the widely distributed -NH2 groups on the surface of the RCD-based optosensing nanomaterials to achieve fixed-point adsorption. The quantitative detection of pyrethroids in a wide concentration range (1-120 μg/L) could be achieved, and the limit of detection (LOD) was 0.89 μg/L. Furthermore, a portable UV light box combined with a smartphone was used to convert the change in fluorescence of the RCDs-based optosensing nanomaterials into specific values upon adding pyrethroids, and the LOD by using smartphone was 6.66 μg/L. The developed platform has numerous advantages, including low cost, simple operation, high sensitivity, and good specificity, among others, and it achieves on-site visualization and rapid detection.
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Affiliation(s)
- Xuecheng Zhu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
| | - Xinyue Yuan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
| | - Luxuan Han
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
| | - Huilin Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China.
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
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20
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Tang XY, Liu YM, Bai XL, Yuan H, Hu YK, Yu XP, Liao X. Turn-on fluorescent probe for dopamine detection in solutions and live cells based on in situ formation of aminosilane-functionalized carbon dots. Anal Chim Acta 2021; 1157:338394. [PMID: 33832585 DOI: 10.1016/j.aca.2021.338394] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/05/2021] [Accepted: 03/07/2021] [Indexed: 12/22/2022]
Abstract
Dopamine (DA) is a critical biomarker for a variety of neurological diseases. Methods for simple and rapid DA detection are crucial for clinical diagnosis and treatments for those diseases. In this work, we developed a novel pretreatment-free method for dopamine detection using carbon dots as a turn-on fluorescent probe synthesized in situ. The aminosilane-functionalized carbon dots (SiCDs) were produced in a mild condensation reaction between N-[3-(Trimethoxysilyl)propyl]ethylenediamine (AEATMS) and dopamine, which were directly used for probing of dopamine. The prepared SiCDs exhibited green fluorescence with excitation/emission maximum at 380/495 nm, the intensity of which can be measured to quantify the DA present in the reaction mixture. The linear range of the assay was between 0.1 and 100 μM with a limit of detection (LOD) of 56.2 nM. The probe is of good selectivity and the recoveries of the developed method were in the range of 101.77-119.91% with RSDs within 3.67% in human serum sample tests. The SiCDs were also synthesized within MN9D cells under 37 °C and generated bright fluorescence, which can probe the DA's distribution in the cells. The described method exhibit potential in DA detection and live-cell imaging for its feature of facility, inexpensiveness, and sensitivity.
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Affiliation(s)
- Xiao-Yue Tang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yi-Ming Liu
- Department of Chemistry and Biochemistry, Jackson State University, 1400 Lynch St., Jackson, MS, 39217, USA.
| | - Xiao-Lin Bai
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Hao Yuan
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yi-Kao Hu
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | | | - Xun Liao
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China.
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21
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Wang F, Wang D, Wang T, Jin Y, Ling B, Li Q, Li J. A simple approach to prepare fluorescent molecularly imprinted nanoparticles. RSC Adv 2021; 11:7732-7737. [PMID: 35423232 PMCID: PMC8694954 DOI: 10.1039/d0ra10618f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 01/26/2021] [Indexed: 12/12/2022] Open
Abstract
Fluorescent molecularly imprinted polymers (FMIPs) are gaining increasing attention in analytical and medical sciences, particularly silica-based FMIPs due to their low cost, environmentally friendly nature and good biocompatibility. However, at present, silica-based FMIPs are usually prepared through several steps and displayed low selectivity. Here, a simple approach was utilized for preparing silica-based FMIP nanoparticles. The polymerization was initiated by 3-aminopropyltriethoxysilane (APTES), which also acted as the functional monomer in the imprinting system; in addition, to achieve one-pot synthesis, a fluorescent monomer was prepared by a simple reaction between fluorescein isothiocyanate (FITC) and APTES. The as-synthesized FMIP nanoparticles displayed high specificity and fast response time (<1 min) towards the target molecule. Environmental pH and buffer salt could affect the specific recognition behaviors of the FMIP nanoparticles. Such a simple catalyst-free synthetic technique could also be employed for the preparation of FMIP nanoparticles targeting other acidic molecules.
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Affiliation(s)
- Fenying Wang
- College of Chemistry, Nanchang University Nanchang Jiangxi 330031 China
| | - Dan Wang
- College of Chemistry, Nanchang University Nanchang Jiangxi 330031 China
| | - Tingting Wang
- Department of Food Science and Engineering, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University Nanjing 210023 China
| | - Yu Jin
- Department of Food Science and Engineering, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University Nanjing 210023 China
| | - Baoping Ling
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu Shandong 273165 China
- The High Performance Computing Center, Qufu Normal University Qufu Shandong 273165 China
| | - Qianjin Li
- Department of Food Science and Engineering, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University Nanjing 210023 China
| | - Jianlin Li
- Department of Food Science and Engineering, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University Nanjing 210023 China
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22
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Li S, Zhang Z. Recent advances in the construction and analytical applications of carbon dots-based optical nanoassembly. Talanta 2021; 223:121691. [PMID: 33303144 DOI: 10.1016/j.talanta.2020.121691] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 12/26/2022]
Abstract
Recently, more and more attention has been focused on the construction and analytical applications of optical nanoassembly through combining carbon dots (CDs) with various other functional nanomaterials. The rational design and manufacture of CDs-based optical nanoassembly will be critical to meeting the needs of analytical science. The last decade has witnessed the immense potential of CDs-based optical nanoassembly in multiple sensing applications owing to their controlled optical properties, adjustable surface chemistry and microscopic morphology. This feature article collects the recent advances in the research and development of CDs-based optical nanoassembly and their applications in analytical sensors, aiming to provide vital insights and suggestions to inspire their broad sensing applications.
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Affiliation(s)
- Siqiao Li
- Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China
| | - Zhengwei Zhang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, China.
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23
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Chavoshi N, Hemmateenejad B. Fluorescent Carbon Dots Prepared from Hazelnut Kohl as an Affordable Probe for Determination of Dopamine. J Fluoresc 2021; 31:455-463. [PMID: 33417108 DOI: 10.1007/s10895-020-02668-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/28/2020] [Indexed: 01/21/2023]
Abstract
In this investigation, a simple, green and facile fluorescence mrtod using carbon dots (CDs) of hazelnut kohl is described for selective detection of dopamine (DA). The sensing system is based on hazelnut kohl (the black soot of kohl) which is used as a carbon source. Generally, kohl is a traditional eye cosmetic that used in different parts of the world and synthesized by the combustion process like burning natural materials. Here, it has been proven that black soot (kohl) obtained from hazelnut has a carbon dot structure and can be used for sensory applications. Some characterization methods are carried out to reveal the kohl structure. Also, the photoluminescence properties of the prepared CDs of kohl are investigated. It is found that the size of CDs is 2-4 nm. Besides, under the optimal conditions, the fluorescence of CDs is used for DA determination. CDs fluorescence intensity is decreased linearly with the increase of DA concentration. By using the fluorescence dependency toward the DA concentration, DA can be determined in the range 0.5-30 μM with the limit of detection of 0.30 μM. Finally, this method is successfully applied to discriminate the DA in the real samples (healthy human serum and cerebrospinal fluid (CSF)) which shows acceptable efficiently for diagnostic purposes. The fluorescence of carbon dots, prepared from Hazelnut Kohl, is quenched in the presence of dopamine.
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Affiliation(s)
- Neda Chavoshi
- Chemistry Department, Shiraz University, Shiraz, Iran
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24
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Dehghani Z, Akhond M, Absalan G. Carbon quantum dots embedded silica molecular imprinted polymer as a novel and sensitive fluorescent nanoprobe for reproducible enantioselective quantification of naproxen enantiomers. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105723] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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In-situ preparation of molecularly imprinted fluorescent sensing test strips for on-site detection of tyramine in vinegar. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105638] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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26
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Shirani MP, Rezaei B, Ensafi AA, Ramezani M. Development of an eco-friendly fluorescence nanosensor based on molecularly imprinted polymer on silica-carbon quantum dot for the rapid indoxacarb detection. Food Chem 2020; 339:127920. [PMID: 32877812 DOI: 10.1016/j.foodchem.2020.127920] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/21/2020] [Accepted: 08/22/2020] [Indexed: 12/29/2022]
Abstract
Rapid and efficient detection of indoxacarb (IXC), a common chemical contaminant, in environmental and biological samples is necessary. In this work, a modern optical sensor was developed for IXC, based on environmentally friendly molecularly imprinted polymer (MIP) coated on silica-carbon quantum dots (SiCQDs). A hydrothermal method was used to prepare highly fluorescence SiCQDs and, subsequently, MIP formed on surface (MIP@SiCQDs) using a sol-gel method. A linear relationship between the fluorescence quenching effect and increased IXC concentration was found for the range of 4-102 nM, under the optimal conditions, with a 1 nM detection limit. Precisions was of 4.5 and 2.3% for five replicate detections at 21 and 60 nM IXC, respectively. Applicability of the sensor for IXC quantification in environmental and biological samples was verified with recoveries in the range 95-106% with a relative standard deviation of <6.0%.
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Affiliation(s)
| | - Behzad Rezaei
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Ali A Ensafi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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27
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Silanized carbon dot-based thermo-sensitive molecularly imprinted fluorescent sensor for bovine hemoglobin detection. Anal Bioanal Chem 2020; 412:5811-5817. [PMID: 32651648 DOI: 10.1007/s00216-020-02803-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 06/22/2020] [Accepted: 07/02/2020] [Indexed: 10/23/2022]
Abstract
Using the surface molecular imprinting technique, a thermo-sensitive molecularly imprinted fluorescent sensor was constructed for bovine hemoglobin (BHb) detection with the silanized carbon dots (CD@SiO2) as fluorescent signal, N-isopropylacrylamide as monomer sensitive to temperature, and BHb as template. The silanized carbon dots coated by the molecularly imprinted polymer (CD@SiO2@MIP) were characterized by high-resolution transmission electron microscopy, Fourier transform infrared spectroscopy, and fluorescence spectroscopy. Owing to the combination of the strong fluorescence sensitivity of CDs and the high selectivity of the molecular imprinting shell, the prepared sensor showed good recognition and detection performance to the target protein BHb, with a linear range of 0.31-1.55 μM and a detection limit of 1.55 μM. Furthermore, the sensor was utilized to detect the content of BHb in real urine with a recovery of 98.6-100.5%. The CD@SiO2@MIP sensors present a high potential for applications in the detection of BHb in biological systems. Graphical abstract.
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28
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Wang Y, Liu Y, Yang M. Molecularly Imprinted Electrochemiluminescence Sensor for Sensitive and Selective Detection of Hydroquinone. CHEM LETT 2020. [DOI: 10.1246/cl.190878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Yan Wang
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Yiming Liu
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Minli Yang
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, P. R. China
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29
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Fluorescent nanomaterials combined with molecular imprinting polymer: synthesis, analytical applications, and challenges. Mikrochim Acta 2020; 187:399. [PMID: 32572580 DOI: 10.1007/s00604-020-04353-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 05/22/2020] [Indexed: 12/20/2022]
Abstract
Fluorescent nanomaterials (FNMs) and molecular imprinted polymers (MIPs) have been widely used in analytical chemistry for determination. However, low selectivity of FNMs and low sensitivity of MIPs hinder their applications. Combining the merits of FNMs and MIPs, FNMs coated with MIPs (FNMs@MIPs) were proposed to solve those problems. Carbon dots, semiconductor quantum dots, noble metal nanoparticles, silica nanoparticles, and covalent-organic frameworks have been reported to be coated with MIPs. In order to overcome challenges for FNMs@MIPs, such as the lack of handy synthesis routes, incompatibility with aqueous solutions, heterogeneous size of particles, leakage of template molecules, the biocompatibility of FNMs@MIPs, and the inference between FNMs and MIPs, scientists proposed some solutions in recent years. We comprehensively review the newest advances of the FNMs@MIPs, and predict the direction of the future development. Graphical abstract.
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30
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Preparation and comparison of molecularly imprinted polymer fluorimetric nanoprobe based on polymer dots and carbon quantum dots for determination of acetamiprid using response surface method. Mikrochim Acta 2020; 187:294. [DOI: 10.1007/s00604-020-04283-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 04/13/2020] [Indexed: 01/14/2023]
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31
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Veerubhotla K, Lee CH. Emerging Trends in Nanocarbon‐Based Cardiovascular Applications. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.201900208] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Krishna Veerubhotla
- Division of Pharmacology and Pharmaceutics Sciences School of Pharmacy University of Missouri–Kansas City Kansas City MO 64108 USA
| | - Chi H. Lee
- Division of Pharmacology and Pharmaceutics Sciences School of Pharmacy University of Missouri–Kansas City Kansas City MO 64108 USA
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32
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Wang C, Shi H, Yang M, Yan Y, Liu E, Ji Z, Fan J. A novel nitrogen-doped carbon quantum dots as effective fluorescent probes for detecting dopamine. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112374] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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33
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Ke CB, Lu TL, Chen JL. Fluorometric determination of amifostine and alkaline phosphatase on amphiprotic molecularly imprinted silica crosslinked with binary functional silanes and carbon dots. Biosens Bioelectron 2020; 151:111965. [DOI: 10.1016/j.bios.2019.111965] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/12/2019] [Accepted: 12/13/2019] [Indexed: 01/22/2023]
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34
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He J, Liu G, Jiang M, Xu L, Kong F, Xu Z. Development of novel biomimetic enzyme-linked immunosorbent assay method based on Au@SiO2 nanozyme labelling for the detection of sulfadiazine. FOOD AGR IMMUNOL 2020. [DOI: 10.1080/09540105.2020.1728234] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- Jingbo He
- Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, College of Food Science and Engineering, Shandong Agricultural University, Taian, People’s Republic of China
| | - Guanyong Liu
- Binzhou Vocational College, Binzhou, People’s Republic of China
| | - Mingdi Jiang
- Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, College of Food Science and Engineering, Shandong Agricultural University, Taian, People’s Republic of China
| | - Longhua Xu
- Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, College of Food Science and Engineering, Shandong Agricultural University, Taian, People’s Republic of China
| | - Feifan Kong
- Shandong Wuzhou Testing Co., Ltd., Sishui, People’s Republic of China
| | - Zhixiang Xu
- Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, College of Food Science and Engineering, Shandong Agricultural University, Taian, People’s Republic of China
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Li W, Zhang ZM, Zhang RR, Jiao HF, Sun AL, Shi XZ, Chen J. Effective removal matrix interferences by a modified QuEChERS based on the molecularly imprinted polymers for determination of 84 polychlorinated biphenyls and organochlorine pesticides in shellfish samples. JOURNAL OF HAZARDOUS MATERIALS 2020; 384:121241. [PMID: 31581008 DOI: 10.1016/j.jhazmat.2019.121241] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/14/2019] [Accepted: 09/14/2019] [Indexed: 06/10/2023]
Abstract
A modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) procedure combined with GC-MS/MS detection approach using a dynamic multiple reaction monitoring (DMRM) mode was successfully applied for the simultaneous analysis of 84 polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in shellfish samples. The novel molecular imprinted polymers (MIPs) were synthesized by precipitation polymerization and characterized by Scanning electron microscopy, Brunauer-Emmett-Teller, Fourier transform infrared spectra and adsorption experiment. The MIPs exhibited good adsorption capability to pigment coextractives in shellfish samples without the loss of analytes compared with other sorbents. Under optimal conditions, spiked experiments in sinonovacula, mussel, and clam at 10.0-100.0 μg/kg concentrations showed excellent recoveries ranging from 70% to 120% for all analytes with the relative standard deviations of <10%. The developed method showed good linearity with the correlation coefficient above 0.9980, and the limits of quantification were in the range of 0.01-9.02 μg/kg. The developed QuEChERS procedure combined with GC-MS/MS was successfully applied to 84 PCBs and OCPs residues detection in shellfish samples.
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Affiliation(s)
- Wei Li
- State Key Laboratory for Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, China; School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
| | - Ze-Ming Zhang
- State Key Laboratory for Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, China; School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
| | - Rong-Rong Zhang
- School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
| | - Hai-Feng Jiao
- College of Biological and Environment Science, Zhejiang Wanli University, Ningbo, 315100, PR China
| | - Ai-Li Sun
- State Key Laboratory for Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, China
| | - Xi-Zhi Shi
- State Key Laboratory for Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, China; School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China.
| | - Jiong Chen
- State Key Laboratory for Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, China; School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
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Kamal Eddin FB, Wing Fen Y. Recent Advances in Electrochemical and Optical Sensing of Dopamine. SENSORS (BASEL, SWITZERLAND) 2020; 20:E1039. [PMID: 32075167 PMCID: PMC7071053 DOI: 10.3390/s20041039] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/13/2019] [Accepted: 12/13/2019] [Indexed: 12/13/2022]
Abstract
Nowadays, several neurological disorders and neurocrine tumours are associated with dopamine (DA) concentrations in various biological fluids. Highly accurate and ultrasensitive detection of DA levels in different biological samples in real-time can change and improve the quality of a patient's life in addition to reducing the treatment cost. Therefore, the design and development of diagnostic tool for in vivo and in vitro monitoring of DA is of considerable clinical and pharmacological importance. In recent decades, a large number of techniques have been established for DA detection, including chromatography coupled to mass spectrometry, spectroscopic approaches, and electrochemical (EC) methods. These methods are effective, but most of them still have some drawbacks such as consuming time, effort, and money. Added to that, sometimes they need complex procedures to obtain good sensitivity and suffer from low selectivity due to interference from other biological species such as uric acid (UA) and ascorbic acid (AA). Advanced materials can offer remarkable opportunities to overcome drawbacks in conventional DA sensors. This review aims to explain challenges related to DA detection using different techniques, and to summarize and highlight recent advancements in materials used and approaches applied for several sensor surface modification for the monitoring of DA. Also, it focuses on the analytical features of the EC and optical-based sensing techniques available.
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Affiliation(s)
- Faten Bashar Kamal Eddin
- Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang 43400 UPM, Selangor, Malaysia;
| | - Yap Wing Fen
- Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang 43400 UPM, Selangor, Malaysia;
- Functional Devices Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400 UPM, Selangor, Malaysia
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Xiao‐Yan W, Xue‐Yan H, Tian‐Qi W, Xu‐Cheng F. Crown daisy leaf waste–derived carbon dots: A simple and green fluorescent probe for copper ion. SURF INTERFACE ANAL 2019. [DOI: 10.1002/sia.6733] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wang Xiao‐Yan
- Anhui Provincial Laboratory of Biomimetic Sensor and Detecting TechnologyWest Anhui University Lu'an China
| | - Hu Xue‐Yan
- Anhui Provincial Laboratory of Biomimetic Sensor and Detecting TechnologyWest Anhui University Lu'an China
| | - Wang Tian‐Qi
- Anhui Provincial Laboratory of Biomimetic Sensor and Detecting TechnologyWest Anhui University Lu'an China
| | - Fu Xu‐Cheng
- Anhui Provincial Laboratory of Biomimetic Sensor and Detecting TechnologyWest Anhui University Lu'an China
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Liu H, Ding J, Zhang K, Ding L. Fabrication of carbon dots@restricted access molecularly imprinted polymers for selective detection of metronidazole in serum. Talanta 2019; 209:120508. [PMID: 31892057 DOI: 10.1016/j.talanta.2019.120508] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/12/2019] [Accepted: 10/26/2019] [Indexed: 02/08/2023]
Abstract
A custom-tailored design was proposed for the fabrication of carbon dots coupled with restricted access materials and molecularly imprinted polymers (CDs@RAM-MIPs) to detect metronidazole (MNZ). Biomass carbon dots (CDs) were derived from longan peels assisted with high pressure microwave, and had the merits of eco-friendly, excellent photostability and low toxicity. In this work, glycidyl methacrylate was used as a co-polymeric monomer to increase hydroxyl groups on the surface of synthetic materials, which eliminated the interference of biological macromolecules. The specific binding cavities of CDs@RAM-MIPs were formed after removing the template molecule (MNZ). The obtained CDs@RAM-MIPs can selectively capture MNZ through the specific interaction between recognition sites and MNZ, and obey photoinduced electron transfer fluorescence quenching mechanism. The highly sensitive and selective fluorescent sensor based CDs@RAM-MIPs had a wide linear range (50-1200 ng mL-1) and a low detection limit (17.4 ng mL-1) for MNZ. It has been utilized to detect MNZ in serum with recoveries of 93.5%-102.7%, and the relative standards (RSDs) were 1.9%-3.6%, respectively. This work provides a thoughtful strategy for preparation and application of CDs@RAM-MIPs, which presages its great potential for detecting trace compounds in real samples.
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Affiliation(s)
- Haochi Liu
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Jie Ding
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China.
| | - Kun Zhang
- Shandong Institute of Non-metallic Materials, Jinan, 250031, China
| | - Lan Ding
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, China.
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Phan LMT, Gul AR, Le TN, Kim MW, Kailasa SK, Oh KT, Park TJ. One-pot synthesis of carbon dots with intrinsic folic acid for synergistic imaging-guided photothermal therapy of prostate cancer cells. Biomater Sci 2019; 7:5187-5196. [PMID: 31588457 DOI: 10.1039/c9bm01228a] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Photothermal therapy (PTT) is performed using near-infrared-responsive agents, which is proven to be an effective therapeutic strategy against cancer with several advantages including minimal invasion, high effectiveness, and easy implementation. Herein, we report a facile and novel one-pot synthetic approach for the fabrication of polydopamine-folate carbon dots (PFCDs) as theranostic nanocarriers for the image-guided PTT targeting of prostate cancer (PCa) cells that express a prostate-specific membrane antigen (PSMA) (folate hydrolase 1). The as-fabricated PFCDs exhibited several advantages such as easy preparation, high biocompatibility, low toxicity, good water-solubility, and excellent photothermal effect with robust blue fluorescence emission. The PSMA-directed imaging of PCa using PFCDs showed remarkable fluorescence enhancement in LNCap cells as compared to the case of other cells that did not express PSMA. PFCDs exhibited a photothermal effect in the PCa cells when irradiated with an 808 nm laser, which possibly resulted in the complete elimination of the tumor. Thus, these features make PFCDs a promising candidate for PTT. Moreover, PFCD-based PTT provides an effective biomedical platform for cancer therapy.
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Affiliation(s)
- Le Minh Tu Phan
- Department of Chemistry, Institute of Interdisciplinary Convergence Research, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.
| | - Anam Rana Gul
- Department of Chemistry, Institute of Interdisciplinary Convergence Research, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.
| | - Thi Ngoc Le
- College of Pharmacy, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Min Woo Kim
- Department of Chemistry, Institute of Interdisciplinary Convergence Research, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.
| | - Suresh Kumar Kailasa
- Department of Applied Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India
| | - Kyung Taek Oh
- College of Pharmacy, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Tae Jung Park
- Department of Chemistry, Institute of Interdisciplinary Convergence Research, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.
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Yan F, Zhang H, Sun Z, Sun X, Jiang Y, Bai Z, Zu F, Chen L. Carbon dots as building blocks for the construction of functional nanocomposite materials. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2019. [DOI: 10.1007/s13738-019-01749-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Thangaraj B, Solomon PR, Ranganathan S. Synthesis of Carbon Quantum Dots with Special Reference to Biomass as a Source - A Review. Curr Pharm Des 2019; 25:1455-1476. [DOI: 10.2174/1381612825666190618154518] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/11/2019] [Indexed: 11/22/2022]
Abstract
Quantum dots (QDs) have received much attention due to their extraordinary optical application in
medical diagnostics, optoelectronics and in energy storage devices. The most conventional QDs are based on
semiconductors that comprise heavy metals whose applications are limited due to toxicity and potential environmental
hazard. Of late, researchers are focusing on carbon-based quantum dots, which have recently emerged as a
new family of zero-dimensional nanostructured materials. They are spherical in shape with a size below 10 nm
and exhibit excitation-wavelength-dependent photoluminescence (PL). Carbon quantum dots (CQDs) have
unique optical, photoluminescence and electrochemical properties. They are environment-friendly with low toxicity
as compared to toxic heavy metal quantum dots. Generally, CQDs are derived from chemical precursor materials,
but recently researchers have focused their attention on the production of CQDs from waste biomass materials
due to the economic and environmental exigency. In this review, recent advances in the synthesis of CQDs
from waste biomass materials, functionalization and modulation of CQDs and their potential application of biosensing
are focused. This review also brings out some challenges and future perspectives for developing smart
biosensing gadgets based on CQDs.
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Affiliation(s)
- Baskar Thangaraj
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang -212013, Zhenjiang, China
| | - Pravin R. Solomon
- School of Chemical & Biotechnology, SASTRA-Deemed University, Thanjavur - 613401, Tamil Nadu, India
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Jia Z, Luo Y, Wen H, Huang S, Du X, Xue W. A Probe for Fluorescence Detection of the Acetylcholinesterase Activity Based on Molecularly Imprinted Polymers Coated Carbon Dots. Chem Pharm Bull (Tokyo) 2019; 67:795-800. [PMID: 31061298 DOI: 10.1248/cpb.c18-00944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This paper presents a new probe for fluorescence detection of the acetylcholinesterase (AChE) activity based on molecularly imprinted polymer (MIP) coated carbon dots (C-dots) composite. The C-dots were hydrothermally synthesized with grafted silica surface and sealed with molecularly imprinted polymers in silica pores (MIP@C-dots) in situ. Removed the original template molecules, the MIP@C-dots composite exhibits quite high selectivity for acetylthiocholine (ACh). With AChE, its substrate ACh will be hydrolyzed into thiocholine and the fluorescence signals exhibit a dramatic decrease at 465 nm, Under optimal conditions, the fluorescent probe shows sensitive responses to AChE in the range of 0.01-0.6 mU/mL. The detection limits of AChE are as low as 3 µU/mL. These experiments results validate the novel fluorescent probe based on MIP@C-dots composite, paving a new way to evaluation of AChE activity and Screening inhibitors.
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Affiliation(s)
- Zhao Jia
- School of Chemical Engineering, Northwest University.,Shangluo University
| | - Yane Luo
- College of Food Science and Technology, Northwest University
| | - Huiyun Wen
- School of Chemical Engineering, Northwest University
| | - Saipeng Huang
- School of Chemical Engineering, Northwest University
| | - Xin Du
- School of Chemical Engineering, Northwest University
| | - Weiming Xue
- School of Chemical Engineering, Northwest University
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43
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Liu C, Bao L, Yang M, Zhang S, Zhou M, Tang B, Wang B, Liu Y, Zhang ZL, Zhang B, Pang DW. Surface Sensitive Photoluminescence of Carbon Nanodots: Coupling between the Carbonyl Group and π-Electron System. J Phys Chem Lett 2019; 10:3621-3629. [PMID: 31199162 DOI: 10.1021/acs.jpclett.9b01339] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
The functional groups and π-electron system of carbon dots (C-dots) were carefully controlled by several innovative chemical methods, without any changes in size, to unravel the relationship between the surface structure and photoluminescence (PL). The results of experiments and theoretical calculations reveal that the PL of C-dots is related to the surface state. The energy gap is determined by the coupling of the π-electron system and carbonyl group, and the quantum yield (QY) is dependent on the carbonyl group. The carbonyl group is the main factor increasing the ratio of nonradiation to radiation recombination, thereby leading to the low QY of C-dots. This work provides a strategy for effectively tuning the structure of C-dots, giving rise to the tunable PL emission wavelength and highly desirable QY, which enables us to further unravel the PL mechanism.
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Affiliation(s)
- Cui Liu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology , Wuhan University , Wuhan 430072 , P. R. China
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Centre for Intelligent Sensing Technology, College of Optoelectronic Engineering , Chongqing University , Chongqing 400044 , P. R. China
| | - Lei Bao
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology , Wuhan University , Wuhan 430072 , P. R. China
| | - Mengli Yang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology , Wuhan University , Wuhan 430072 , P. R. China
| | - Song Zhang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071 , P. R. China
- University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Miaomiao Zhou
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071 , P. R. China
- University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Bo Tang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology , Wuhan University , Wuhan 430072 , P. R. China
| | - Baoshan Wang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology , Wuhan University , Wuhan 430072 , P. R. China
| | - Yufei Liu
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Centre for Intelligent Sensing Technology, College of Optoelectronic Engineering , Chongqing University , Chongqing 400044 , P. R. China
| | - Zhi-Ling Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology , Wuhan University , Wuhan 430072 , P. R. China
| | - Bing Zhang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics , Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071 , P. R. China
- University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Dai-Wen Pang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology , Wuhan University , Wuhan 430072 , P. R. China
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CdTe 0.5S 0.5/ZnS Quantum Dots Embedded in a Molecularly Imprinted Polymer for the Selective Optosensing of Dopamine. NANOMATERIALS 2019; 9:nano9050693. [PMID: 31058852 PMCID: PMC6566530 DOI: 10.3390/nano9050693] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/22/2019] [Accepted: 04/26/2019] [Indexed: 11/30/2022]
Abstract
This work describes the preparation of molecularly imprinted polymer (MIP)-modified core/shell CdTe0.5S0.5/ZnS quantum dots (QDs). The QDs@MIP particles were used for the selective and sensitive detection of dopamine (DA). Acrylamide, which is able to form hydrogen bonds with DA, and ethylene glycol dimethylacrylate (EGDMA) as cross-linker were used for the preparation of the MIP. Highly cross-linked polymer particles with sizes up to 1 µm containing the dots were obtained after the polymerization. After the removal of the DA template, MIP-modified QDs (QDs@MIP) exhibit a high photoluminescence (PL) with an intensity similar to that of QDs embedded in the nonimprinted polymer (NIP). A linear PL decrease was observed upon addition of DA to QDs@MIP and the PL response was in the linear ranges from 2.63 µM to 26.30 µM with a limit of detection of 6.6 nM. The PL intensity of QDs@MIP was quenched selectively by DA. The QDs@MIP particles developed in this work are easily prepared and of low cost and are therefore of high interest for the sensitive and selective detection of DA in biological samples.
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45
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A ratiometric fluorometric epinephrine and norepinephrine assay based on carbon dot and CdTe quantum dots nanocomposites. Microchem J 2019. [DOI: 10.1016/j.microc.2018.12.060] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Lv J, Feng S, Ding Y, Chen C, Zhang Y, Lei W, Hao Q, Chen SM. A high-performance fluorescent probe for dopamine detection based on g-C 3N 4 nanofibers. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 212:300-307. [PMID: 30660062 DOI: 10.1016/j.saa.2019.01.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 12/19/2018] [Accepted: 01/04/2019] [Indexed: 06/09/2023]
Abstract
A novel fluorescent sensor based on g-C3N4 nanofibers for the sensitive detection of dopamine (DA) has been proposed. We synthesized g-C3N4 nanofibers by directly hydrolyzing bulk g-C3N4 in the alkaline atmosphere (3 M NaOH). The obtained ultrathin g-C3N4 nanofibers were verified by characterizations of Transmission electronic microscope (TEM), X-ray diffractometer (XRD), Fourier transformation-infrared (FT-IR) and X-ray photoelectron spectroscopy (XPS). It was found that the fluorescence intensity of g-C3N4 nanofibers was obviously quenched by DA. Fluorescence resonance energy transfer (FRET) between DA and g-C3N4 nanofibers led to the fluorescence reduction of g-C3N4 nanofibers. The fluorescent probe based on g-C3N4 nanofibers exhibits linear responses to the concentration of DA in the range from 0 to 4 μM and 4 to 20 μM, the limit of detection is 17 nM. The fluorescent probe shows excellent stability, good selectivity with its application in serums.
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Affiliation(s)
- Jingjing Lv
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Shasha Feng
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yong Ding
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Chenglong Chen
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yuehua Zhang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226007, China
| | - Wu Lei
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Qingli Hao
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Shen-Ming Chen
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan.
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47
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Core-shell quantum dots coated with molecularly imprinted polymer for selective photoluminescence sensing of perfluorooctanoic acid. Talanta 2019; 194:1-6. [DOI: 10.1016/j.talanta.2018.09.106] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 09/27/2018] [Accepted: 09/29/2018] [Indexed: 01/01/2023]
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48
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Qian S, Qiao L, Xu W, Jiang K, Wang Y, Lin H. An inner filter effect-based near-infrared probe for the ultrasensitive detection of tetracyclines and quinolones. Talanta 2019; 194:598-603. [DOI: 10.1016/j.talanta.2018.10.097] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 10/22/2018] [Accepted: 10/28/2018] [Indexed: 02/07/2023]
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49
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Entacapone detection by a GOQDs-molecularly imprinted silica fluorescent chemical nanosensor. Anal Bioanal Chem 2019; 411:1075-1084. [DOI: 10.1007/s00216-018-1534-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 11/08/2018] [Accepted: 12/03/2018] [Indexed: 10/27/2022]
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50
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Li R, Feng Y, Pan G, Liu L. Advances in Molecularly Imprinting Technology for Bioanalytical Applications. SENSORS (BASEL, SWITZERLAND) 2019; 19:E177. [PMID: 30621335 PMCID: PMC6338937 DOI: 10.3390/s19010177] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 12/31/2018] [Accepted: 01/02/2019] [Indexed: 12/26/2022]
Abstract
In recent years, along with the rapid development of relevant biological fields, there has been a tremendous motivation to combine molecular imprinting technology (MIT) with biosensing. In this situation, bioprobes and biosensors based on molecularly imprinted polymers (MIPs) have emerged as a reliable candidate for a comprehensive range of applications, from biomolecule detection to drug tracking. Unlike their precursors such as classic immunosensors based on antibody binding and natural receptor elements, MIPs create complementary cavities with stronger binding affinity, while their intrinsic artificial polymers facilitate their use in harsh environments. The major objective of this work is to review recent MIP bioprobes and biosensors, especially those used for biomolecules and drugs. In this review, MIP bioprobes and biosensors are categorized by sensing method, including optical sensing, electrochemical sensing, gravimetric sensing and magnetic sensing, respectively. The working mechanism(s) of each sensing method are thoroughly discussed. Moreover, this work aims to present the cutting-edge structures and modifiers offering higher properties and performances, and clearly point out recent efforts dedicated to introduce multi-sensing and multi-functional MIP bioprobes and biosensors applicable to interdisciplinary fields.
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Affiliation(s)
- Runfa Li
- Institute for Advanced Materials, School of Material Science and Engineering, Jiangsu University.
| | - Yonghai Feng
- Institute for Advanced Materials, School of Material Science and Engineering, Jiangsu University.
| | - Guoqing Pan
- Institute for Advanced Materials, School of Material Science and Engineering, Jiangsu University.
| | - Lei Liu
- Institute for Advanced Materials, School of Material Science and Engineering, Jiangsu University.
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