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Gong S, Zhang J, Zheng X, Li G, Xing C, Li P, Yuan J. Recent design strategies and applications of organic fluorescent probes for food freshness detection. Food Res Int 2023; 174:113641. [PMID: 37986540 DOI: 10.1016/j.foodres.2023.113641] [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: 09/05/2023] [Revised: 10/22/2023] [Accepted: 10/24/2023] [Indexed: 11/22/2023]
Abstract
Food spoilage poses a significant risk to human health, making the assessment of food freshness essential for ensuring food safety and quality. In recent years, there has been rapid progress in the development of fast detection technologies for food freshness. Among them, organic fluorescent probes have garnered significant attention in the field of food safety and sensing due to their easy functionalization, high sensitivity, and user-friendly nature. To comprehensively examine the latest advancements in organic fluorescent probes for food freshness detection, this review summarized their applications within the past five years. Initially, the fundamental detection principles of organic fluorescent probes are outlined. Subsequently, the recent research progress in utilizing organic fluorescent probes to detect various chemical indicators of freshness are discussed. Finally, the challenges and future directions for organic fluorescent probes in food freshness detection are elaborated upon. While, organic fluorescent probes have demonstrated their effectiveness in evaluating food freshness and possess great potential for practical applications, further research is still needed to enable their widespread commercial utilization. With continued advancements in synthesis and functionalization techniques, organic fluorescent probes will contribute to enhancing the efficiency of food safety detection.
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Affiliation(s)
- Shiyu Gong
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Jingyi Zhang
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Xin Zheng
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Guanglei Li
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China.
| | - Changrui Xing
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China.
| | - Peng Li
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Jian Yuan
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
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Hu W, Fan M, Zhang XF, Li M, Li G. Photophyical and photosensitizing properties of BODIPYs substantially changed by alkyl- and phenyl-amino groups on meso carbon. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 289:122222. [PMID: 36508905 DOI: 10.1016/j.saa.2022.122222] [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: 07/30/2022] [Revised: 12/02/2022] [Accepted: 12/04/2022] [Indexed: 06/17/2023]
Abstract
meso-RNH (R = C3H7, C4H9, PhCH2, H, and Ph) substituted BODIPY compounds have been prepared to examine their photophysical properties and photosensitizing abilities. We have measured the UV-vis absorption, steady state and time resolved fluorescence, excited triplet state formation using laser flash photolysis, singlet oxygen generation ability using chemical trapping method. The results show that the presence of meso-RNH leads to large blue shift of absorption and emission wavelength, remarkable decrease in fluorescence quantum yield and lifetime values, and significant increase in singlet oxygen formation quantum yield. Quantum chemical calculation also reveals the photoinduced charge transfer (PCT) mechanism. We conclude that property changes are due to: 1) S0 and S1 geometry, 2) ground state structural isomerization, and 3) intramolecular PCT. These results and mechanisms are helpful for designing new functional materials.
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Affiliation(s)
- Wenbin Hu
- Department of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei Province 066004, China
| | - Mingyue Fan
- Department of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei Province 066004, China
| | - Xian-Fu Zhang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong Province 518055, China; MPC Tech, MPC Technologies, Hamilton, ON L8S 3H4, Canada.
| | - Mengmeng Li
- Department of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei Province 066004, China
| | - Guoying Li
- Department of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei Province 066004, China
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Zhang M, Dalapati R, Shi J, Liao C, Tian Q, Wang C, Yang X, Chen S, Porter MD, Zang L. Fluorescent sensor based on solid-phase extraction with negligible depletion: A proof-of-concept study with amines as analytes. Anal Chim Acta 2023; 1245:340828. [PMID: 36737131 DOI: 10.1016/j.aca.2023.340828] [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: 09/07/2022] [Revised: 12/21/2022] [Accepted: 01/11/2023] [Indexed: 01/14/2023]
Abstract
This paper describes the development and proof-of-concept testing of an easy-to-use trace analysis technique, namely F-SPE, by coupling fluorescent sensor with solid phase extraction (SPE). F-SPE is a two-step methodology that concentrates an analyte from a liquid sample onto a fluorophore-modified membrane and measures the amount of analyte from the extent the extracted analyte quenches the emission of the fluorophore. By applying the principle of negligible depletion (ND) intrinsic to SPE, the procedure of F-SPE for analyzing a sample can be markedly simplified while maintaining the ability to detect analytes at low limits of detection (LOD). The merits of this approach are demonstrated by impregnating a SPE membrane with a perylene diimide (PDI) fluorophore, N,N'-di(nonyldecyl)-perylene-3,4,9,10-tetracarboxylic diimide (C9/9-PDI), for the low-level detection of organic amines (e.g., aniline) and amine-containing drugs (e.g., Kanamycin). The sensing mechanism is based on the donor-acceptor quenching of PDI by amines, which, when coupled with the concentrative nature of SPE, yields LODs for aniline and Kanamycin of 67 nM (∼6 ppb) and 32 nM (∼16 ppb), respectively.
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Affiliation(s)
- Miao Zhang
- School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Shaanxi, Xi'an, 710021, China
| | - Rana Dalapati
- Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA; Department of Materials Science and Engineering, University of Utah, Salt Lake City, UT, 84112, USA
| | - Jiangfan Shi
- Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA; Department of Materials Science and Engineering, University of Utah, Salt Lake City, UT, 84112, USA
| | - Chenglong Liao
- School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Shaanxi, Xi'an, 710021, China
| | - Qingyun Tian
- School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Shaanxi, Xi'an, 710021, China
| | - Chuanyi Wang
- School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Shaanxi, Xi'an, 710021, China
| | - Xiaomei Yang
- Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA
| | - Shuai Chen
- Jiangxi Engineering Laboratory of Waterborne Coating, Jiangxi, Nanchang, 330013, China.
| | - Marc D Porter
- Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA; Department of Chemical Engineering, University of Utah, Salt Lake City, UT, 84112, USA.
| | - Ling Zang
- Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA; Department of Materials Science and Engineering, University of Utah, Salt Lake City, UT, 84112, USA.
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Teknikel E, Unaleroglu C. Recent Advances in Chemodosimeters Designed for Amines. Curr Org Synth 2023; 20:4-19. [PMID: 35430996 DOI: 10.2174/1570179419666220414095143] [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: 10/13/2021] [Revised: 01/04/2022] [Accepted: 01/14/2022] [Indexed: 12/16/2022]
Abstract
The analysis of amines has long been a very important task in science, industry, and healthcare. To date, this task has been accomplished by using expensive and time-consuming methods. Colorimetric and fluorescent chemodosimeters enable the fast, accurate, and sensitive analysis of various species with inexpensive instruments or the naked eye. Accordingly, the studies on these probes have gained great momentum in the last 20 years. In this review, amine chemodosimeters developed in the last 10 years were investigated. The investigated chemodosimeters are metal-free structures based on small organic compounds. The strategies for the detection, differentiation, and quantification of amines were discussed by considering the reaction types.
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Affiliation(s)
- Efdal Teknikel
- Chemistry Department, Faculty of Science, Hacettepe University, Ankara, Turkey
| | - Canan Unaleroglu
- Chemistry Department, Faculty of Science, Hacettepe University, Ankara, Turkey
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A Colormetric and Fluorescence Probe for Highly Specific Cu 2+ and its Application in Live Cell Imaging. J Fluoresc 2022; 32:2015-2021. [PMID: 35829842 DOI: 10.1007/s10895-022-03002-4] [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: 05/07/2022] [Accepted: 06/16/2022] [Indexed: 10/17/2022]
Abstract
Fluorescent probes are intriguing material for ion detection. In this study, 4,4-difluoro-4-bora3a,4a-diaza-s-indacene (BODIPY) containing a dipicolylethylenediamine unit was developed as a colorimetric and fluorescence "turn-off" probe for Cu2+. The probe exhibited higher selectivity for Cu2+ than other common metal ions with a detection limit of 8.49 μM. With increasing Cu2+ concentration, the probe showed a red-shift in the absorption spectrum as well as fluorescence quenching, possibly due to the intramolecular charge transfer effect of the probe-Cu(II) complex. Furthermore, the probe was used for imaging Cu2+ in living cells based on confocal fluorescence imaging. The results show that the probe is an effective tool for detection copper ions.
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Skotnicka A, Kabatc J. New BODIPY Dyes Based on Benzoxazole as Photosensitizers in Radical Polymerization of Acrylate Monomers. MATERIALS 2022; 15:ma15020662. [PMID: 35057379 PMCID: PMC8781298 DOI: 10.3390/ma15020662] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/30/2021] [Accepted: 01/13/2022] [Indexed: 12/17/2022]
Abstract
A series of 2-phenacylbenzoxazole difluoroboranes named BODIPY dyes (1-8) was designed and applied as photosensitizers (PS) for radical photopolymerization of acrylate monomer. The light absorption within the ultraviolet-visible (UV-Vis) range (λmax = 350-410 nm; εmax = 23,000-42,500 M-1cm-1), that is strongly influenced by the substituents on the C3 and C4 atoms of phenyl ring, matched the emission of the Omnicure S2000 light within 320-500 nm. The photosensitizer possess fluorescence quantum yield from about 0.005 to 0.99. The 2-phenacylbenzoxazole difluoroboranes, together with borate salt (Bor), iodonium salt (Iod) or pyridinium salt (Pyr) acting as co-initiators, can generate active radicals upon the irradiation with a High Pressure Mercury Lamp which initiates a high-performance UV-Vis light-induced radical polymerization at 320-500 nm. The polymers obtained are characterized by strong photoluminescence. It was found that the type of radical generator (co-initiator) has a significant effect on the kinetic of radical polymerization of acrylate monomer. Moreover, the chemical structure of the BODIPY dyes does not influence the photoinitiating ability of the photoinitiator. The concentration of the photoinitiating system affects the photoinitiating performance. These 2-phenacylbenzoxazole difluoroborane-based photoinitiating systems have promising applications in UV-Vis-light induced polymerization.
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