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Mankoti M, Meena SS, Mohanty A. Exploring the potential of eco-friendly carbon dots in monitoring and remediation of environmental pollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:43492-43523. [PMID: 38713351 DOI: 10.1007/s11356-024-33448-x] [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: 02/05/2024] [Accepted: 04/19/2024] [Indexed: 05/08/2024]
Abstract
Photoluminescent carbon dots (CDs) have garnered significant interest owing to their distinctive optical and electronic properties. In contrast to semiconductor quantum dots, which incorporated toxic elements in their composition, CDs have emerged as a promising alternative, rendering them suitable for both environmental and biological applications. CDs exhibit astonishing features, including photoluminescence, charge transfer, quantum confinement effect, and biocompatibility. Recently, CDs derived from green sources have drawn a lot of attention due to their strong photostability, reduced toxicity, better biocompatibility, enhanced fluorescence, and simplicity. These attributes have shown great promise in the areas of LED technology, bioimaging, photocatalysis, drug delivery, biosensing, and antibacterial activity. In contrast, this review offers a comprehensive overview of various green sources utilized to produce CDs and methodologies, along with their merits and demerits, with a notable emphasis on physiochemical properties. Additionally, the paper provides insight into the bibliometric analysis and recent advancements of CDs in sensing, photocatalysis, and antibacterial activity. In this field, extensive research is underway, and a total of 7,438 articles have been identified. Among these, 4242 articles are dedicated to sensing applications, while 1518 and 1678 focus on adsorption and degradation. Carbon dots demonstrate exceptional sensing capabilities within the nanomolar range with a selectivity of up to 95% for pollutants. They exhibit excellent degradation efficiency exceeding 90% within 10-130 min and possess an adsorption capacity from 100 to 800 mg/g. These fascinating qualities render them suitable for diverse applications.
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Affiliation(s)
- Megha Mankoti
- Department of Biotechnology, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India
| | - Sumer Singh Meena
- Department of Biotechnology, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India
| | - Anee Mohanty
- Department of Biotechnology, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India.
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2
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Kaur G, Bhari R, Kumar K. Nanobiosensors and their role in detection of adulterants and contaminants in food products. Crit Rev Biotechnol 2024; 44:547-561. [PMID: 36842973 DOI: 10.1080/07388551.2023.2175196] [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: 05/24/2022] [Revised: 01/03/2023] [Accepted: 01/17/2023] [Indexed: 02/28/2023]
Abstract
Nanotechnology is a multifaceted technical and scientific field undergoing a fast expansion. Nanoparticles, quantum dots, nanotubes, nanorods, nanowires, nanochips and many more are being increasingly used for fabrication of nanosensors and nanobiosensors to increase the sensitivity and selectivity of reactions. Food safety is an extremely important concern in food industries since it is directly associated with effect of food on human health. Here in our review, we have not only described the newest information regarding methods and use of nanomaterials for construction of nanosensors but also their detection range, limit of detection (LOD) and applications for food safety. Precise nanosensors having improved sensitivity and low limit of detection were discussed in brief. Review is primarily focused on nanosensors employed for detection of adulterants and contaminants in food products such as meat products, milk, fruit juices and water samples.
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Affiliation(s)
- Gurlovleen Kaur
- Department of Biotechnology and Food Technology, M. M. Modi College, Patiala, Punjab, India
- Department of Biotechnology and Food Technology, Punjabi University, Patiala, Punjab, India
| | - Ranjeeta Bhari
- Department of Biotechnology and Food Technology, Punjabi University, Patiala, Punjab, India
| | - Kuldeep Kumar
- Department of Biotechnology and Food Technology, M. M. Modi College, Patiala, Punjab, India
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3
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Sudewi S, Li CH, Chabib L, Rasool A, Arputharaj E, Zulfajri M, Huang GG. Turn-off/turn-on biosensing of tetracycline and ciprofloxacin antibiotics using fluorescent iron oxide quantum dots. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1261-1271. [PMID: 38323472 DOI: 10.1039/d3ay02168h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
A fluorescence probe based on iron oxide quantum dots (IO-QDs) was synthesized using the hydrothermal method for the determination of tetracycline (TCy) and ciprofloxacin (CPx) in aqueous solution. The IO-QDs were characterized using high-resolution transmission electron microscopy (HR-TEM), powder X-ray diffraction (P-XRD), vibrating sample magnetometry (VSM), and Fourier-transform infrared spectroscopy (FTIR). The as-prepared IO-QDs are fluorescent, stable, and with a fluorescence quantum yield (QY) of 9.8 ± 0.12%. The fluorescence of IO-QDs was observed to be quenched and enhanced in the presence of TCy and CPx, respectively. The fluorescence intensity ratio shows linearity at concentrations from 1-100 μM and 5-100 μM for TCy and CPx, respectively; the detection limit for TCy and CPx was estimated to be 0.71 μM and 1.56 μM, respectively. The proposed method was also successfully utilized in the spiked samples of drinking water and honey with good recoveries. The method offered convenience, rapid detection, high sensitivity, selectivity, and cost-efficient alternative options for the determination of TCy and CPx in real samples.
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Affiliation(s)
- Sri Sudewi
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Department of Pharmacy, Faculty of Mathematics and Natural Science, Universitas Sam Ratulangi, Manado 95115, Indonesia
| | - Chien-Hung Li
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Lutfi Chabib
- Pharmacy Study Program, Faculty of Mathematics and Science, Universitas Islam Indonesia, Yogyakarta 55584, Indonesia
| | - Akhtar Rasool
- Research Center for Chemistry, National Research and Innovation Agency (BRIN), KST BJ Habibie, Setu, Tangerang Selatan 15314, Indonesia
| | - Emmanuvel Arputharaj
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Muhammad Zulfajri
- Department of Chemistry Education, Universitas Serambi Mekkah, Banda Aceh 23245, Indonesia
| | - Genin Gary Huang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
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Barciela P, Perez-Vazquez A, Prieto MA. Azo dyes in the food industry: Features, classification, toxicity, alternatives, and regulation. Food Chem Toxicol 2023:113935. [PMID: 37429408 DOI: 10.1016/j.fct.2023.113935] [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: 05/04/2023] [Revised: 07/06/2023] [Accepted: 07/06/2023] [Indexed: 07/12/2023]
Abstract
Azo dyes, including Tartrazine, Sunset Yellow, and Carmoisine, are added to foods to provide color, but they have no value with regard to nutrition, food preservation, or health benefits. Because of their availability, affordability, stability, and low cost, and because they provide intense coloration to the product without contributing unwanted flavors, the food industry often prefers to use synthetic azo dyes rather than natural colorants. Food dyes have been tested by regulatory agencies responsible for guaranteeing consumer safety. Nevertheless, the safety of these colorants remains controversial; they have been associated with adverse effects, particularly due to the reduction and cleavage of the azo bond. Here, we review the features, classification, regulation, toxicity, and alternatives to the use of azo dyes in food.
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Affiliation(s)
- P Barciela
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004, Ourense, Spain
| | - A Perez-Vazquez
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004, Ourense, Spain
| | - M A Prieto
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004, Ourense, Spain.
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Wu Q, Duan XJ, Lv HT, Wang LT. Red-emitting carbon dots as fluorescent probes for the rapid detection of brilliant blue FCF in foods. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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Kaur I, Batra V, Kumar Reddy Bogireddy N, Torres Landa SD, Agarwal V. Detection of organic pollutants, food additives and antibiotics using sustainable carbon dots. Food Chem 2023; 406:135029. [PMID: 36463597 DOI: 10.1016/j.foodchem.2022.135029] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 11/06/2022] [Accepted: 11/20/2022] [Indexed: 11/24/2022]
Abstract
The ecosystem across the globe has been adversely affected due to the adoption of unsustainable growth strategies. Overuse of organic pollutants such as dyes, pesticides, disinfectants, food additives and antibiotics, along with their release into the environment without proper treatment has severely affected the food chain and water bodies, hence ultimately the human race. As the organic contaminants, being non-biodegradable, persist in the environment for a long duration, a sustainable method for the detection of these harmful organic pollutants is essential. For food safety and restoration of ecological balance, simple, non-toxic, cost-effective and environmentally friendly green precursor derived carbon dots (CDs) are favorable as compared to inorganic nanoparticles (CdTe, CdS etc.) and chemically derived CDs. This review covers the summary of the studies devoted to the optical detection of organic pollutants, food additives and antibiotics through green precursor derived CDs, reported during the last few years. The upcoming studies of optical sensing systems with sustainable CDs provide powerful insight towards pollutant detection, as well as act as a future monitoring tool.
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Affiliation(s)
- Inderbir Kaur
- Department of Electronics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi 110075, India
| | - Vandana Batra
- Department of Physics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi 110075, India
| | | | - Simei Darinel Torres Landa
- Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, México
| | - Vivechana Agarwal
- Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, México.
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Anjali K, Jibin K, Aswathy P, Shanty A, Shijo F, Dhanya T, Savitha D, Mohanan P. An imidazole ligated zinc(II) transition metal complex as a “turn-off” fluorescent sensor for the selective and sensitive detection of brilliant blue FCF. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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8
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Mubeen M, Khalid MA, Mukhtar M, Sumreen P, Gul T, Ul Ain N, Shahrum S, Tabassum M, Ul-Hamid A, Iqbal A. Elucidating the Size-dependent FRET Efficiency in Interfacially Engineered Quantum Dots attached PBSA Sunscreen. Photochem Photobiol 2022; 98:1017-1024. [PMID: 35092012 DOI: 10.1111/php.13599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 01/24/2022] [Indexed: 11/30/2022]
Abstract
Applying sunscreen on human skin provides photoprotection against the harmful ultraviolet (UV) radiation of the sun. Sunscreen absorbs UV radiations and dissipates the absorbed energy through various radiative and non-radiative pathways. The attachment of functionalized quantum dots (QDs) to the sunscreen component is a novel idea to enhance the absorption cross-section of UV radiations. Therefore, the attachment of the sunscreen component to the ligand functionalized biocompatible QDs and the absorbed energy transfer from sunscreen to the QDs could work as a model system to overall improve the efficiency of the sunscreen. This study elucidates the mechanism of size-dependent Förster resonance energy transfer (FRET) efficiency and its rate between 2-phenylbenzimidazole-5-sulfonic acid (PBSA) and mercaptoacetic acid (MAA) functionalized CdS QDs. In the PBSA-QDs dyad, the PBSA (donor) dissipates UV-absorbed energy to the CdS QDs (acceptor). Following excitation at 306 nm, the steady-state photoluminescence (SSPL) and time-resolved photoluminescence (TRPL) techniques measurements demonstrate that both the non-radiative energy transfer efficiency and rate are QDs size-dependent in addition to donor-acceptor distance, and suggest that bigger sized-QDs result in an increase of the FRET efficiency.
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Affiliation(s)
- Muhammad Mubeen
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
| | | | - Maria Mukhtar
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
| | - Poshmal Sumreen
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
| | - Tehreem Gul
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
| | - Noor Ul Ain
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
| | - Saba Shahrum
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
| | - Mamoona Tabassum
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
| | - Azhar Iqbal
- Department of Chemistry, Quaid-I-Azam University Islamabad-45320, Pakistan
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Anand SK, Mathew MR, Girish Kumar K. A dual channel optical sensor for biliverdin and bilirubin using glutathione capped copper nanoclusters. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113379] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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10
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Pradeep SD, Sebastian D, Gopalakrishnan AK, Manoharan DK, Madhusudhanan DT, Mohanan PV. Synthesis and Characterization of a Novel Heterocyclic Schiff Base and Development of a Fluorescent Sensor for Vitamin B12. J Fluoresc 2021; 31:1113-1123. [PMID: 33963980 DOI: 10.1007/s10895-021-02743-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 05/03/2021] [Indexed: 01/04/2023]
Abstract
A heterocyclic Schiff base (MPDPI)was synthesized by the condensation reaction of 1-phenylisatin with 4,5-dimethylphenylene diamine. It was characterized by using spectroscopic methods including UV visible, Infrared, 1H-NMR, 13C-NMR and mass spectrometry. It acts as the fluorescent probe for the detection of Vitamin B12 (Vit.B12) which shows high selectivity over other species via dynamic quenching mechanism. It is also highly sensitive towards Vit.B12 with a detection limit of [Formula: see text]M and showed a linear concentration ranging from [Formula: see text] to [Formula: see text]. Effect of other coexisting species was also studied. The satisfactory results were also obtained in real samples.Since, there are only few reports on Vit.B12, development of selective fluorescent probes for Vit.B12 would be worthwhile.
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Affiliation(s)
| | - Deepa Sebastian
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, 682022, India
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11
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S S, Anand SK, Mathew MR, Girish Kumar K. Thioglycolic acid capped cadmium sulphide quantum dots as a turn-on fluorescence sensor for the determination of 5-hydroxyindoleacetic acid. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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12
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Liu H, Wang M, Li Z, Xin C, Huang G. A fluorescence sensing method for brilliant blue with gold nanoclusters based on the inner filter effect. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4551-4555. [PMID: 32870183 DOI: 10.1039/d0ay01355b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Due to the inner filter effect (IFE) between Brilliant Blue (BB) and gold nanoclusters (AuNCs), a simple and rapid approach for BB detection was developed. Since the absorption spectrum of BB has a good overlap with the emission spectrum of the AuNCs, the fluorescence of the AuNC solution was quenched after adding BB. Under optimal conditions, a good linear relationship for detection of BB was obtained from 0.05 to 7.5 μM, and the detection limit was 0.0167 μM. More importantly, the assay was successfully applied to assess BB in food samples such as hard candy, chocolate and dried blueberries, showing its potential in food quality control in the future.
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Affiliation(s)
- Haijian Liu
- Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Shouguang, 262700 Weifang, China.
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Lipskikh OI, Korotkova EI, Barek J, Vyskocil V, Saqib M, Khristunova EP. Simultaneous voltammetric determination of Brilliant Blue FCF and Tartrazine for food quality control. Talanta 2020; 218:121136. [DOI: 10.1016/j.talanta.2020.121136] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/01/2020] [Accepted: 05/06/2020] [Indexed: 01/23/2023]
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Damera D, Manimaran R, Krishna Venuganti VV, Nag A. Green Synthesis of Full-Color Fluorescent Carbon Nanoparticles from Eucalyptus Twigs for Sensing the Synthetic Food Colorant and Bioimaging. ACS OMEGA 2020; 5:19905-19918. [PMID: 32803087 PMCID: PMC7424742 DOI: 10.1021/acsomega.0c03148] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 07/21/2020] [Indexed: 05/20/2023]
Abstract
Full-color fluorescent carbon nanoparticles (CNPs) are produced by a facile and green hydrothermal method followed by the differential washing technique. Eucalyptus twigs are used as a precursor to synthesize multiemissive light blue, blue, green, and red CNPs. Brilliant Blue FCF (BB) is a widely used synthetic food colorant, which is toxic for the human body, when consumed beyond the permitted limit. Herein, we demonstrate light blue CNPs as a sensor for selective and sensitive detection of BB via a fluorescence quenching mechanism with a limit of detection of 200 nM. Temperature-dependent fluorescence and 1H NMR studies confirmed the mechanism as combined dynamic and static quenching. To demonstrate the practical efficacy of the sensor, BB is effectively detected and estimated in selected food samples procured from the market. Moreover, the biocompatibility of light blue and blue CNPs is examined and confirmed by performing a cytotoxicity assay on MDA-MB-231 cell lines. Subsequently, the cellular imaging study is also carried out to explore the internalization process of the CNPs as a function of concentration. To the best of our knowledge, this is the first time that Eucalyptus twigs, a natural source of high abundance, are used as raw materials and valorized for sensing artificial food color and bioimaging purposes.
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Affiliation(s)
| | | | | | - Amit Nag
- Department
of Chemistry, BITS-Pilani, Hyderabad Campus, Hyderabad 500078, India
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Tropp J, Ihde MH, Crater ER, Bell NC, Bhatta R, Johnson IC, Bonizzoni M, Azoulay JD. A Sensor Array for the Nanomolar Detection of Azo Dyes in Water. ACS Sens 2020; 5:1541-1547. [PMID: 32475110 DOI: 10.1021/acssensors.0c00342] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Azo dyes are ubiquitous pollutants that contaminate water supplies and threaten human, biota, and ecosystem health. Their detection and discrimination are a considerable challenge owing to the numerous structural, chemical, and optical similarities between dyes, complexity of the wastewater in which they are found, and low environmental concentrations. Here, we demonstrate that the inner filter effect (IFE), in combination with conjugated polymer array-based sensing, offers a rapid approach for the quantitative profiling of these pollutants. The array was constructed using three anionic conjugated polyelectrolytes whose varying spectroscopic properties led to distinct IFE patterns in the presence of various dyes. These unique fluorescence response patterns were identified and processed using linear discriminant analysis (LDA), enabling the individual identification of 12 closely related azo dyes. To demonstrate the potential for utility in the environment, the array was used to differentiate between these dyes at nanomolar concentrations in water.
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Affiliation(s)
- Joshua Tropp
- Center for Optoelectronic Materials and Devices, School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406, United States
| | - Michael H. Ihde
- Department of Chemistry and Biochemistry, The University of Alabama, P.O. Box 870336, Tuscaloosa, Alabama 35487, United States
| | - Erin R. Crater
- Center for Optoelectronic Materials and Devices, School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406, United States
| | - Noel C. Bell
- Center for Optoelectronic Materials and Devices, School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406, United States
| | - Rimsha Bhatta
- Center for Optoelectronic Materials and Devices, School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406, United States
| | - Ian C. Johnson
- Center for Optoelectronic Materials and Devices, School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406, United States
| | - Marco Bonizzoni
- Department of Chemistry and Biochemistry, The University of Alabama, P.O. Box 870336, Tuscaloosa, Alabama 35487, United States
- The Alabama Water Institute, P.O. Box 870206, Tuscaloosa, Alabama 35487, United States
| | - Jason D. Azoulay
- Center for Optoelectronic Materials and Devices, School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406, United States
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Mathew MR, Anand SK, Radecki J, Radecka H, Girish Kumar K. Simple and Cost-effective “Turn-on” Fluorescence Sensor for the Determination of Xanthine. J Fluoresc 2020; 30:695-702. [DOI: 10.1007/s10895-020-02543-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 04/15/2020] [Indexed: 12/11/2022]
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17
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Water Soluble Porphyrin for the Fluorescent Determination of Cadmium Ions. J Fluoresc 2020; 30:527-535. [PMID: 32180203 DOI: 10.1007/s10895-020-02514-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 02/14/2020] [Indexed: 02/07/2023]
Abstract
Porphyrins are highly conjugated molecules that perform wide variety of functions in biological systems. They absorb strongly in the visible region and they are excellent fluorophores that emit in the visible region. If the meso or β positions of porphyrins are properly substituted, emission in the NIR region is facilitated. The fluorescence property of porphyrins can be used in sensing applications. Here, we report the synthesis of a water soluble porphyrin that emits in the NIR region and this molecule is used in the fluorescent determination of cadmium ion, which is an environmental pollutant and affects the health of living organisms adversely. 5,10,15,20-tetrakis(4-hydroxy-3,5-dimethoxyphenyl)porphyrin (THMPP), which is water soluble was synthesised from 5,10,15,20-tetrakis(3,4,5-trimethoxyphenyl)porphyrin (TMPP) by partial demethylation, which in turn was synthesized by mixture acid method. The donor-acceptor interaction of THMPP-Cd2+ system displays a dynamic fluorescence quenching through the electron transfer (ET) mechanism. Developed method showed a linear response toward Cd2+ in the concentration range of 0.25 μM to 2 μM. The limit of detection was found to be 0.1499 μM. THMPP exhibited excellent selectivity towards Cd (II) in presence of other metal ions like Hg2+, Mn2+, Mg2+, Co2+ in 1:100, Zn2+, Cu2+, Ni2+ in 1:10 and Na+, K+ in 1:1 M ratio.
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A Simple and Cost Effective Turn off Fluorescence Sensor for Biliverdin and Bilirubin Based on L-Cysteine Modulated Copper Nanoclusters. J Fluoresc 2019; 30:63-70. [PMID: 31858352 DOI: 10.1007/s10895-019-02470-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 12/12/2019] [Indexed: 10/25/2022]
Abstract
The present article reports the efficiency of L-cysteine modulated copper nanoclusters (L-cys-CuNCs) as a fluorescent probe for the selective determination of naturally occurring bile pigments biliverdin (BVD) and bilirubin (BLR). These pigments were found to quench the fluorescence of L-cys-CuNCs through static processes. Under optimized conditions, the proposed strategy permitted the quantification of BVD and BLR in the range 4.00 × 10-5 to 5.00 × 10-7M and 1.00×10-5 to 1.00×10-6 M respectively with limits of detection 2.33 × 10-7M and 2.29 × 10-7 M. The practical utility of the developed sensor have been investigated in spiked blood and urine samples.
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Anand SK, Sivasankaran U, Jose AR, Kumar KG. Interaction of tetracycline with l-cysteine functionalized CdS quantum dots - Fundamentals and sensing application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 213:410-415. [PMID: 30731253 DOI: 10.1016/j.saa.2019.01.068] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 01/17/2019] [Accepted: 01/19/2019] [Indexed: 06/09/2023]
Abstract
The present paper reports l-cysteine functionalized CdS quantum dots (QDs) as a simple and highly selective turn-off fluorescence sensor for the determination of tetracycline (TET). The unauthorized use of TET may pose serious health hazards in human beings and hence the detection and determination has become very essential. In this regard, we have developed a sensor that enable the quantification of TET in the range 6.00 × 10-4 M to 1.50 × 10-5 M with a limit of detection 7.78 × 10-6 M, under optimized conditions. Steady state and time resolved fluorescence spectroscopic studies were used for investigating the mechanism of quenching and was found to be a combination of static and dynamic processes. The analytical application of the proposed sensor was investigated in pharmaceutical formulation.
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Affiliation(s)
- Sanu K Anand
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682022, India
| | - Unni Sivasankaran
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682022, India
| | - Ammu Rosin Jose
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682022, India
| | - K Girish Kumar
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682022, India.
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20
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Joye IJ, Corradini MG, Duizer LM, Bohrer BM, LaPointe G, Farber JM, Spagnuolo PA, Rogers MA. A comprehensive perspective of food nanomaterials. ADVANCES IN FOOD AND NUTRITION RESEARCH 2019; 88:1-45. [PMID: 31151722 DOI: 10.1016/bs.afnr.2019.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nanotechnology is a rapidly developing toolbox that provides solutions to numerous challenges in the food industry and meet public demands for healthier and safer food products. The diversity of nanostructures and their vast, tunable functionality drives their inclusion in food products and packaging materials to improve their nutritional quality through bioactive fortification and probiotics encapsulation, enhance their safety due to their antimicrobial and sensing capabilities and confer novel sensorial properties. In this food nanotechnology state-of-the-art communication, matrix materials with particular focus on food-grade components, existing and novel production techniques, and current and potential applications in the fields of food quality, safety and preservation, nutrient bioaccessibility and digestibility will be detailed. Additionally, a thorough analysis of potential strategies to assess the safety of these novel nanostructures is presented.
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Affiliation(s)
- I J Joye
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - M G Corradini
- Arrell Food Institute, University of Guelph, Guelph, ON, Canada
| | - L M Duizer
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - B M Bohrer
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - G LaPointe
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - J M Farber
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - P A Spagnuolo
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - M A Rogers
- Department of Food Science, University of Guelph, Guelph, ON, Canada.
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21
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Sivasankaran U, Radecki J, Radecka H, Girish Kumar K. Copper nanoclusters: an efficient fluorescence sensing platform for quinoline yellow. LUMINESCENCE 2019; 34:243-248. [PMID: 30746849 DOI: 10.1002/bio.3601] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 12/21/2018] [Accepted: 12/31/2018] [Indexed: 01/31/2023]
Abstract
Fluorescence quenching behavior of artificial food colorant quinoline yellow (QY), on interaction with l-cysteine stabilized copper nanoclusters (l-Cys-CuNCs) is investigated in this work. For this purpose, l-cysteine stabilized CuNCs were synthesized and characterized using various analytical techniques. Results demonstrated that the synthesized probe (size ~2 nm) had very promising optical features such as bright blue fluorescence, significant quantum yield and excellent photostability. l-Cys-CuNCs can function as a fluorescence sensor by selectively sensing QY among other yellow colorants, giving a detection limit as low as 0.11 μM. The developed sensor exhibited a linear concentration range from 5.50 to 0.20 μM. The developed fluorescence assay was successfully applied for testing commercial samples, thereby making this sensing strategy significant for quality control of food stuffs.
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Affiliation(s)
- Unni Sivasankaran
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi-22, Kerala, India
| | - Jerzy Radecki
- Institute of Animal Reproduction and Food Research of Polish Academy of Sciences, Tuwima 10, Olsztyn, Poland
| | - Hanna Radecka
- Institute of Animal Reproduction and Food Research of Polish Academy of Sciences, Tuwima 10, Olsztyn, Poland
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22
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Cysteine capped copper/molybdenum bimetallic nanoclusters for fluorometric determination of methotrexate via the inner filter effect. Mikrochim Acta 2019; 186:130. [DOI: 10.1007/s00604-019-3230-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Accepted: 01/04/2019] [Indexed: 02/06/2023]
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23
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Advances in Nano Based Biosensors for Food and Agriculture. ENVIRONMENTAL CHEMISTRY FOR A SUSTAINABLE WORLD 2018. [DOI: 10.1007/978-3-319-70166-0_1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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24
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Chen S, Yu YL, Wang JH. Inner filter effect-based fluorescent sensing systems: A review. Anal Chim Acta 2017; 999:13-26. [PMID: 29254563 DOI: 10.1016/j.aca.2017.10.026] [Citation(s) in RCA: 338] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 10/24/2017] [Accepted: 10/24/2017] [Indexed: 12/28/2022]
Abstract
Inner filter effect (IFE) was previously considered as an error in fluorescence measurement. In recent years, it has been developed as an important non-irradiation energy conversion model of spectroscopic technique and found wide applications in the fields of chemical sensing and biosensing. In comparison with traditional techniques based on forster resonance energy transfer (FRET), the IFE-based fluorescent approach is more flexible and straightforward without the link of absorber with fluorescer. The present review for the first time introduces the state of the art in the progress of the IFE-based fluorescent sensing systems, including sensing strategy, essential conditions, materials option, and their applications for the detection of various target analytes, e.g., ionic species, small molecules, and macromolecules. In addition, the benefits and limitations of the IFE-based fluorescent sensing systems are also critically discussed and highlighted.
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Affiliation(s)
- Shuai Chen
- College of Life and Health Sciences, Northeastern University, Shenyang 110169, China
| | - Yong-Liang Yu
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
| | - Jian-Hua Wang
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China
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Jose AR, Vikraman AE, Girish Kumar K. Photoinduced electron transfer between quantum dots and pralidoxime: an efficient sensing strategy. NEW J CHEM 2017. [DOI: 10.1039/c7nj00795g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoinduced electron transfer (PET)-mediated fluorescence quenching of CdTe/CdS quantum dots by pralidoxime (PAM).
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Affiliation(s)
- A. R. Jose
- Cochin University of Science and Technology
- Department of Applied Chemistry Kochi
- Kerala 682 022
- India
| | - A. E. Vikraman
- Cochin University of Science and Technology
- Department of Applied Chemistry Kochi
- Kerala 682 022
- India
| | - K. Girish Kumar
- Cochin University of Science and Technology
- Department of Applied Chemistry Kochi
- Kerala 682 022
- India
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