1
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Govindaraju R, Govindaraju S, Yun K, Kim J. Fluorescent-Based Neurotransmitter Sensors: Present and Future Perspectives. BIOSENSORS 2023; 13:1008. [PMID: 38131768 PMCID: PMC10742055 DOI: 10.3390/bios13121008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023]
Abstract
Neurotransmitters (NTs) are endogenous low-molecular-weight chemical compounds that transmit synaptic signals in the central nervous system. These NTs play a crucial role in facilitating signal communication, motor control, and processes related to memory and learning. Abnormalities in the levels of NTs lead to chronic mental health disorders and heart diseases. Therefore, detecting imbalances in the levels of NTs is important for diagnosing early stages of diseases associated with NTs. Sensing technologies detect NTs rapidly, specifically, and selectively, overcoming the limitations of conventional diagnostic methods. In this review, we focus on the fluorescence-based biosensors that use nanomaterials such as metal clusters, carbon dots, and quantum dots. Additionally, we review biomaterial-based, including aptamer- and enzyme-based, and genetically encoded biosensors. Furthermore, we elaborate on the fluorescence mechanisms, including fluorescence resonance energy transfer, photon-induced electron transfer, intramolecular charge transfer, and excited-state intramolecular proton transfer, in the context of their applications for the detection of NTs. We also discuss the significance of NTs in human physiological functions, address the current challenges in designing fluorescence-based biosensors for the detection of NTs, and explore their future development.
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Affiliation(s)
- Rajapriya Govindaraju
- Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnam Daero, Seongnam-si 13120, Gyeonggi-do, Republic of Korea;
| | - Saravanan Govindaraju
- Department of Bio Nanotechnology, Gachon University, Seongnam-si 13120, Gyeonggi-do, Republic of Korea; (S.G.); (K.Y.)
| | - Kyusik Yun
- Department of Bio Nanotechnology, Gachon University, Seongnam-si 13120, Gyeonggi-do, Republic of Korea; (S.G.); (K.Y.)
| | - Jongsung Kim
- Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnam Daero, Seongnam-si 13120, Gyeonggi-do, Republic of Korea;
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2
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Jiang J, Zhang M, Xu Z, Yang Y, Wang Y, Zhang H, Yu K, Kan G, Jiang Y. Recent Advances in Catecholamines Analytical Detection Methods and Their Pretreatment Technologies. Crit Rev Anal Chem 2023:1-20. [PMID: 37733491 DOI: 10.1080/10408347.2023.2258982] [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: 09/23/2023]
Abstract
Catecholamines (CAs), including adrenaline, noradrenaline, and dopamine, are neurotransmitters and hormones that play a critical role in regulating the cardiovascular system, metabolism, and stress response in the human body. As promising methods for real-time monitoring of catecholamine neurotransmitters, LC-MS detectors have gained widespread acceptance and shown significant progress over the past few years. Other detection methods such as fluorescence detection, colorimetric assays, surface-enhanced Raman spectroscopy, and surface plasmon resonance spectroscopy have also been developed to varying degrees. In addition, efficient pretreatment technology for CAs is flourishing due to the increasing development of many highly selective and recoverable materials. There are a few articles that provide an overview of electrochemical detection and efficient enrichment, but a comprehensive summary focusing on analytical detection technology is lacking. Thus, this review provides a comprehensive summary of recent analytical detection technology research on CAs published between 2017 and 2022. The advantages and limitations of relevant methods including efficient pretreatment technologies for biological matrices and analytical methods used in combination with pretreatment technology have been discussed. Overall, this review article provides a better understanding of the importance of accurate CAs measurement and offers perspectives on the development of novel methods for disease diagnosis and research in this field.
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Affiliation(s)
- Jie Jiang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang, China
| | - Meng Zhang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, China
| | - Zhilong Xu
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, China
| | - Yali Yang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, China
| | - Yimeng Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, China
- Elite Engineer School, Harbin Institute of Technology, Harbin, Heilongjiang, China
| | - Hong Zhang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
| | - Kai Yu
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
| | - Guangfeng Kan
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
| | - Yanxiao Jiang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, China
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3
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Mohamed RMK, Mohamed SH, Asran AM, Alsohaimi IH, Hassan HMA, Ibrahim H, El-Wekil MM. Bifunctional ratiometric sensor based on highly fluorescent nitrogen and sulfur biomass-derived carbon nanodots fabricated from manufactured dairy product as a precursor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 293:122444. [PMID: 36758366 DOI: 10.1016/j.saa.2023.122444] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/13/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Novel biomass-derived carbon dots co-doped with nitrogen and sulfur were fabricated through facile and simple synthetic method from manufactured milk powder and methionine as precursors. The as-fabricated platform was used for ratiometric fluorescence sensing of Cu (II) and bisphosphonate drug risedronate sodium. The sensing platform is based on oxidation of o-phenylenediamine by Cu (II) to form 2, 3-diaminophenazine (oxidized product) with an emission peak at 557 nm. The resultant product quenched the fluorescence emission of as-fabricated carbon dots at 470 nm through Förster resonance energy transfer (FRET) and inner-filter effect (IFE). Upon addition of risedronate sodium, the formation of 2, 3-diaminophenazine was decreased as a result of Cu (II) chelation with risedronate sodium, recovering the fluorescence emission of carbon dots. The ratio of fluorescence at 470 nm and 557 nm was measured as a function of Cu (II) and risedronate sodium concentrations. The proposed sensing platform sensitively detected Cu (II) and risedronate sodium in the range of 0.01-55 μM and 5.02-883 µM with LODs (S/N = 3) of 0.003 μM and 1.48 µM, respectively. The sensing platform exhibited a good selectivity towards Cu (II) and risedronate sodium. The sensing system was used to determine Cu (II) and risedronate sodium in different sample matrices with recoveries % in the range of 99-103 % and 97.4-103.8 %, and RSDs % in the range of 1.5-3.0 % and 1.8-3.6 %, respectively.
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Affiliation(s)
- Rasha M K Mohamed
- Department of Chemistry, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia.
| | - Sabrein H Mohamed
- Department of Chemistry, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Aml M Asran
- Department of Chemistry, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Ibrahim H Alsohaimi
- Department of Chemistry, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Hassan M A Hassan
- Department of Chemistry, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Hossieny Ibrahim
- Department of Chemistry, Faculty of Science, Assiut University, Assiut, Egypt
| | - Mohamed M El-Wekil
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt.
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4
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Azargoshasb T, Parvizi R, Bozorgzadeh F, Navid HA, Heidari H. Smart green CQD@SiO 2 hybrid coated optical fiber manifesting dual versatile absorptive and MIP features towards epinephrine detection. NANOSCALE ADVANCES 2023; 5:459-470. [PMID: 36756270 PMCID: PMC9846438 DOI: 10.1039/d2na00687a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/21/2022] [Indexed: 06/18/2023]
Abstract
For the first time, in this study, a novel optical fiber biosensor is proposed and developed via coating only one smart functional layer of silica-supported carbon dots realizing the concepts of both lossy mode resonance (LMR) and molecularly imprinted polymer (MIP) for epinephrine detection. The carbon quantum dots (CQDs) are prepared using a green synthesis method and then treated with a molecularly imprinted polymer (MIP) strategy. Under ultrasonic irradiation, a SiO2 shell was stabilized on the surface of the CQDs to graft and to provide the LMR/MIP functional layer onto the curved optical fiber surface. Accurate structural and morphological characterization confirmed the carbon quantum dot agents and also the SiO2 supporting shells on the optical fiber, while spectroscopic analysis confirms the formation of the imprinted polymer and desirable absorbance characteristics. The experimental and numerical sensing studies revealed that the proposed sensing probe allows the rapid adsorption/desorption of epinephrine to the sensing films and highly permeable coating for studying the influence of effective parameters. Under the optimal experimental conditions, the sensitivity of the proposed LMR-based optical fiber sensor is reported to be 0.37 nm μM-1 with a correlation coefficient of 0.99. So, sensitive detection of epinephrine at a low concentration can be guaranteed with a 0.72 mM LOD.
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Affiliation(s)
- T Azargoshasb
- Department of Laser and Optical Engineering, University of Bonab Bonab 5551761167 Iran
| | - R Parvizi
- Department of Physics, College of Sciences, Yasouj University Yasouj 75914-353 Iran
- James Watt School of Engineering, University of Glasgow Glasgow G12 8QQ UK
| | - F Bozorgzadeh
- Physics Department, College of Sciences, Shiraz University Shiraz Iran
| | - H Ali Navid
- Department of Laser and Optical Engineering, University of Bonab Bonab 5551761167 Iran
| | - H Heidari
- James Watt School of Engineering, University of Glasgow Glasgow G12 8QQ UK
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5
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Eremina OE, Kapitanova OO, Medved'ko AV, Zelenetskaya AS, Egorova BV, Shekhovtsova TN, Vatsadze SZ, Veselova IA. Plier Ligands for Trapping Neurotransmitters into Complexes for Sensitive Analysis by SERS Spectroscopy. BIOSENSORS 2023; 13:bios13010124. [PMID: 36671959 PMCID: PMC9856153 DOI: 10.3390/bios13010124] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 05/28/2023]
Abstract
Catecholamines-dopamine, noradrenaline and adrenaline are important biomarkers of neurotransmitter metabolism, indicating neuroendocrine tumors and neurodegenerative diseases. Surface-enhanced Raman spectroscopy (SERS) is a promising analytical technique with unprecedented multiplexing capabilities. However, not all important analytes exhibit strong SERS signals on stable and robust nanostructured substrates. In this work, we propose a novel indicator system based on the formation of mixed ligand complexes with bispidine-based bis-azole ligands which can serve as pliers to trap Cu(II) ions and stabilize its complexes with catecholamines. Four synthesized ligands with different functional groups: carboxyl, amino, benzyl, and methoxybenzyl, were applied for forming stable complexes to shift maximum absorbance of catecholamines from the ultraviolet region to 570-600 nm. A new absorbance band in the visible range resonates with the local surface plasmon resonance (LSPR) band of metal nanoparticles and most used laser wavelengths. This match allowed use of Molecular Immobilization and Resonant Raman Amplification by Complex-Loaded Enhancers (MIRRACLE) methodology to measure intense Raman signals on a nanostructured silver-based SERS-active substrate. The synthesized plier-like ligands fixed and stabilized catecholamine complexes with Cu(II) on the SERS sensor surface, which facilitated the determination of dopamine in a 3.2 × 10-12-1 × 10-8 M concentration range.
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Affiliation(s)
- Olga E. Eremina
- Chemistry Department, Moscow State University, Moscow 119991, Russia
| | | | - Alexei V. Medved'ko
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
| | | | | | | | - Sergey Z. Vatsadze
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
| | - Irina A. Veselova
- Chemistry Department, Moscow State University, Moscow 119991, Russia
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6
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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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7
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A Ratiometric Fiber Optic Sensor Based on CdTe QDs Functionalized with Glutathione and Mercaptopropionic Acid for On-Site Monitoring of Antibiotic Ciprofloxacin in Aquaculture Water. NANOMATERIALS 2022; 12:nano12050829. [PMID: 35269315 PMCID: PMC8912570 DOI: 10.3390/nano12050829] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/24/2022] [Accepted: 02/02/2022] [Indexed: 12/29/2022]
Abstract
A ratiometric fluorescence fiber-optical sensor system (RFFS) merging a Y-type optical fiber spectrometer and CdTe QDs composite functionalized with glutathione and mercaptopropionic acid (GMPA@CdTe-QDs) for highly selective and on-site detection of ciprofloxacin (CIP) in environmental water samples was designed. Our preliminary results suggested that the red fluorescence of the synthesized GMPA@CdTe-QDs was effectively quenched by CIP. Based on this, the RFFS/GMPA@CdTe-QDs system was successfully fabricated and used for highly selective and rapid detection of CIP on site in the concentration range from 0 to 45 μM with the detection limit of 0.90 μM. The established method exhibited good interference resistance to the analogues of CIP and provided a great potential platform for real-time detection of CIP residues in environmental water. In addition, the fluorescence quenching mechanism of GMPA@CdTe-QDs by CIP was also investigated by means of temperature effect, fluorescence lifetime, ultraviolet (UV) visible absorption, and fluorescent spectra. Our results suggested clearly that the red fluorescence of GMPA@CdTe-QDs was quenched by CIP via the photoinduced electron-transfer (PET) mode.
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8
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He Y, Wang Y, Mao G, Liang C, Fan M. Ratiometric fluorescent nanoprobes based on carbon dots and multicolor CdTe quantum dots for multiplexed determination of heavy metal ions. Anal Chim Acta 2022; 1191:339251. [PMID: 35033275 DOI: 10.1016/j.aca.2021.339251] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 10/23/2021] [Accepted: 11/02/2021] [Indexed: 12/18/2022]
Abstract
Owing to the high risk to human and environmental health, heavy metal pollution has become a global problem. Rapid, accurate and multiplexed determination of heavy metal ions is critical. In this work, we reported a promising approach to designing ratiometric fluorescent nanoprobes for multiplexed determination of Hg2+, Cu2+, and Ag+ ions. The nanoprobes (CDs-QDx) were designed by mixing the CDs and multicolor CdTe QDs without the involvement of recognition elements. The CDs were insensitive to heavy metal ions while CdTe QDs showed the size-dependent fluorescence response to different heavy metal ions, thereby establishing a ratiometric detection scheme by measuring the fluorescence intensity ratios of CDs-QDx systems. By evaluating the detection performance, the CDs-QDx (x = 570, 650, and 702) were successfully used for differentiation and quantification of Hg2+, Cu2+, and Ag+ ions. In addition, we also carried out the detection of heavy metal ions in actual samples with acceptable results. We believed that this work offers new insight into the design of ratiometric fluorescent nanoprobe for multiplexed determination of not only heavy metals but also some other analytes by combining the CDs with CdTe QDs with fine-tuned sizes.
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Affiliation(s)
- Yuanyuan He
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, PR China
| | - Yongbo Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, PR China.
| | - Gennian Mao
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, PR China
| | - Chengyuan Liang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, PR China.
| | - Min Fan
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, PR China
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9
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Kurniawan D, Jhang RC, Ostrikov KK, Chiang WH. Microplasma-Tunable Graphene Quantum Dots for Ultrasensitive and Selective Detection of Cancer and Neurotransmitter Biomarkers. ACS APPLIED MATERIALS & INTERFACES 2021; 13:34572-34583. [PMID: 34255481 DOI: 10.1021/acsami.1c10566] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The effective and precise detection of cancer and neurotransmitter biomarkers including folic acid (FA), dopamine (DA), and epinephrine (EP) are essential for early detection and diagnosis of cancer and neurological disorders and for the development of new drugs. However, it remains challenging to detect FA, DA, and EP with high selectivity and sensitivity with a single material. Herein, we report a photoluminescence (PL)-based selective sensing of FA, DA, and EP with nitrogen-doped graphene quantum dots (NGQDs) synthesized from biocompatible chitosan under ambient conditions using atmospheric pressure microplasmas. By regulating the pH, the selective detection is achieved in broad ranges from 0.8 to 80 μM for FA and 0.4 to 100 μM for both DA and EP with the very low limits of detections of 81.7, 57.8, and 16.7 nM for FA, DA, and EP, respectively. The developed PL sensing method shows the high throughput of 5000 detections per hour. Moreover, highly stable colloidal NGQD dispersion with 100 μg/mL concentration for at least 100 PL detections is produced in 1 h by a single microplasma, and the process is scalable. The mechanisms of the outstanding performance are related to the enhanced, size-dependent π-π stacking attraction between the NGQDs and the pH-regulated chemical states of the analytes and the associated pH-specific photo-induced electron transfer and PL.
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Affiliation(s)
- Darwin Kurniawan
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Rong-Chen Jhang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Kostya Ken Ostrikov
- School of Chemistry and Physics and QUT Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, Queensland 4000, Australia
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
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10
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Rosato E, Bonelli M, Locatelli M, de Grazia U, Tartaglia A, Savini F, D’Ovidio C. Forensic Biochemical Markers to Evaluate the Agonal Period: A Literature Review. Molecules 2021; 26:3259. [PMID: 34071519 PMCID: PMC8198460 DOI: 10.3390/molecules26113259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/17/2021] [Accepted: 05/26/2021] [Indexed: 11/16/2022] Open
Abstract
Currently, forensic research is multidisciplinary with new methods and parameters useful to define the cause and time of death as well as survival/agony times. The identification of biochemical markers able to estimate agonal period has been studied by many forensic researchers. It is known that the estimation of agonal time in different types of death is not always easy, hence our interest in literature's data. The studies analyzed in this review confirm the important role of thanatobiochemistry for the estimation of survival times. Regardless of the death cause, the survival/agony time between the primary event and death influences markers concentrations in biological samples (e.g., blood, urine, cerebrospinal fluid). Different biomarkers can be used for qualitative evaluations in deaths with short and long agony (e.g., C-reactive protein, ferritin, GFAP, etc.). Instead, the quantitative interpretation showed limits due to the lack of reference cut-offs. Thanatobiochemistry is a useful tool to confirm what emerged from autopsies findings (macroscopic and histological analysis), but further studies are desirable to confirm the evidence emerging from our review of the literature.
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Affiliation(s)
- Enrica Rosato
- Department of Pharmacy, University of Chieti-Pescara “G. d’Annunzio”, Via dei Vestini 31, 66100 Chieti, Italy; (E.R.); (M.L.); (A.T.)
| | - Martina Bonelli
- Section of Legal Medicine, Center for Advanced Studies and Technology (CAST), Department of Medicine and Aging Sciences, University “G. d’Annunzio” of Chieti-Pescara, Via Polacchi, 66100 Chieti, Italy;
| | - Marcello Locatelli
- Department of Pharmacy, University of Chieti-Pescara “G. d’Annunzio”, Via dei Vestini 31, 66100 Chieti, Italy; (E.R.); (M.L.); (A.T.)
| | - Ugo de Grazia
- Laboratory of Neurological Biochemistry and Neuropharmacology, IRCCS Neurological Institute Foundation Carlo Besta, Via Celoria 11, 20133 Milan, Italy;
| | - Angela Tartaglia
- Department of Pharmacy, University of Chieti-Pescara “G. d’Annunzio”, Via dei Vestini 31, 66100 Chieti, Italy; (E.R.); (M.L.); (A.T.)
| | - Fabio Savini
- Pharmatoxicology Laboratory-Hospital “Santo Spirito”, Via Fonte Romana 8, 65124 Pescara, Italy;
| | - Cristian D’Ovidio
- Section of Legal Medicine, Center for Advanced Studies and Technology (CAST), Department of Medicine and Aging Sciences, University “G. d’Annunzio” of Chieti-Pescara, Via Polacchi, 66100 Chieti, Italy;
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11
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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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12
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Majer D, Mastnak T, Finšgar M. An Advanced Statistical Approach Using Weighted Linear Regression in Electroanalytical Method Development for Epinephrine, Uric Acid and Ascorbic Acid Determination. SENSORS (BASEL, SWITZERLAND) 2020; 20:s20247056. [PMID: 33317157 PMCID: PMC7763546 DOI: 10.3390/s20247056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/06/2020] [Accepted: 12/07/2020] [Indexed: 05/22/2023]
Abstract
In this study, the use of weighted linear regression in the development of electrochemical methods for the determination of epinephrine (EP), ascorbic acid (AA), and uric acid (UA) is presented. The measurements were performed using a glassy carbon electrode and square-wave voltammetry (SWV). All electroanalytical methods were validated by determination of the limit of detection, limit of quantification, linear concentration range, accuracy, and precision. The normal distribution of all data sets was checked using the quantile-quantile plot and Kolmogorov-Smirnov statistical tests. The heteroscedasticity of the data was tested using Hartley's test, Bartlett's test, Cochran's C test, and the analysis of residuals. The heteroscedastic behavior was observed with all analytes, justifying the use of weighted linear regression. Six different weighting factors were tested, and the best weighted model was determined using relative percentage error. Such statistical approach improved the regression models by giving greater weight on the values with the smallest error and vice versa. Consequently, accuracy of the analytical results (especially in the lower concentration range) was improved. All methods were successfully used for the determination of these analytes in real samples: EP in an epinephrine auto-injector, AA in a dietary supplement, and UA in human urine. The accuracy and precision of real sample analysis using best weighted model gave satisfactory results with recoveries between 95.21-113.23% and relative standard deviations between 0.85-7.98%. The SWV measurement takes about 40 s, which makes the presented methods for the determination of EP, AA, and UA a promising alternative to chromatographic techniques in terms of speed, analysis, and equipment costs, as the analysis is performed without organic solvents.
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Gholami M, Salmasi MA, Sohouli E, Torabi B, Sohrabi MR, Rahimi-Nasrabadi M. A new nano biosensor for maitotoxin with high sensitivity and selectivity based fluorescence resonance energy transfer between carbon quantum dots and gold nanoparticles. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112523] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Rani UA, Ng LY, Ng CY, Mahmoudi E. A review of carbon quantum dots and their applications in wastewater treatment. Adv Colloid Interface Sci 2020; 278:102124. [PMID: 32142942 DOI: 10.1016/j.cis.2020.102124] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 01/16/2020] [Accepted: 02/15/2020] [Indexed: 12/20/2022]
Abstract
Carbon quantum dots (CQDs) are a fascinating class of carbon nanoparticles with sizes around 10 nm. The unique properties of CQDs are low toxicity, chemical inertness, excellent biocompatibility, photo-induced electron transfer and highly tunable photoluminescence behaviour. Sustainable raw materials are commonly used for the fabrication of CQDs because they are cost-effective, eco-friendly and effective to minimise waste production. CQDs can be fabricated using laser ablation, microwave irradiation, hydrothermal reaction, electrochemical oxidation, reflux method and ultrasonication. These methods undergo several chemical reactions such as oxidation, carbonisation, pyrolysis and polymerisation processes to produce CQDs. Due to small particle sizes of CQDs, they possess strong tunable fluorescent properties and highly photo-luminescent emissions. It also contains oxygen-based functional groups and highly desired properties as semiconductor nanoparticles. Therefore, CQDs are promising nanomaterials for photo-catalysis, ions sensing, biological imaging, heavy metal detection, adsorption treatment, supercapacitor, membrane fabrication and water pollution treatment. This review paper will discuss the physical and chemical properties of CQDs, raw materials and methods used in the fabrication of CQDs, the stability of CQDs as well as their potential applications in wastewater treatment and biomedical field.
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Affiliation(s)
- Umairah Abd Rani
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Jalan Sungai Long, Bandar Sungai Long, 43000 Kajang, Selangor, Malaysia
| | - Law Yong Ng
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Jalan Sungai Long, Bandar Sungai Long, 43000 Kajang, Selangor, Malaysia.
| | - Ching Yin Ng
- Department of Chemical Engineering, Faculty of Engineering, Technology and Built Environment, UCSI University (Kuala Lumpur Campus), No. 1, Jalan Menara Gading, UCSI Heights (Taman Connaught), 56000 Cheras, Kuala Lumpur, Malaysia
| | - Ebrahim Mahmoudi
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
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Developing a fluorometric aptasensor based on carbon quantum dots and silver nanoparticles for the detection of adenosine. Microchem J 2019. [DOI: 10.1016/j.microc.2019.04.083] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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