Journal of Photochemistry and Photobiology A Chemistry, Год журнала: 2024, Номер unknown, С. 116176 - 116176
Опубликована: Дек. 1, 2024
Язык: Английский
Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, Год журнала: 2025, Номер 331, С. 125808 - 125808
Опубликована: Янв. 27, 2025
Язык: Английский
Процитировано
1
Discover Sustainability, Год журнала: 2024, Номер 5(1)
Опубликована: Июль 22, 2024
Abstract This study reviews recent advancements in food science and technology, analyzing their impact on the development of intelligent packaging within complex supply chain. Modern technology has brought about packaging, which includes sensors, indicators, data carriers, artificial intelligence. innovative helps monitor quality safety. These innovations collectively aim to establish an unbroken chain safety, freshness, traceability, from production consumption. research explores components technologies focusing key indicators like time–temperature gas freshness pathogen ensure optimal product quality. It further incorporates various types including chemical biosensors, printed electronics, electronic noses. integrates carriers such as barcodes radio-frequency identification enhance complexity functionality this system. The review emphasizes growing influence looks at new advances intelligence that are driving making it better preserving how modern technologies, especially integration, revolutionizing for quality, reduced waste, enhanced traceability.
Язык: Английский
Процитировано
9
Sensors and Actuators B Chemical, Год журнала: 2024, Номер 423, С. 136769 - 136769
Опубликована: Окт. 11, 2024
Язык: Английский
Процитировано
9
Journal of Materials Chemistry C, Год журнала: 2024, Номер 12(14), С. 5083 - 5087
Опубликована: Янв. 1, 2024
Chemical sensors based on blends of organic semiconductors with molecular sensitizers show exceptional sensitivity to amines by leveraging a charge transfer reaction.
Язык: Английский
Процитировано
3
Talanta, Год журнала: 2025, Номер 292, С. 127918 - 127918
Опубликована: Март 10, 2025
Amines are ubiquitous in living organisms and play essential roles various physiological functions, including neurotransmission, hormonal regulation, cell signalling, metabolism. In daily life, amines found cosmetics, pharmaceuticals, foods. However, biogenic amines, formed through amino acid decarboxylation during food degradation, present a significant health risk, especially when combined with nitrites nitrates Therefore, stringent control measures essential. Thus, the development of user-friendly sensor devices for on-site monitoring these molecules is crucial area research, because limited portable simple options amine detection quantification currently available. Electrochemical sensors offer an attractive solution reliable sensitive measurements. With it possible to carry out measurements, without complex sample processing. This review provides overview advancements electrochemical detecting quantifying highlighting potential different configurations, sensing elements, underlying mechanisms.
Язык: Английский
Процитировано
0
Communications Chemistry, Год журнала: 2025, Номер 8(1)
Опубликована: Март 15, 2025
Abstract The strong electrophilicity of arylpyrylium salts was recognized for the colorimetric detection vital amine analytes, limited to ammonia or methylamines and putrescine as biogenic amine. This report presents conformationally twisted, electrophilic triphenylamine-linked 2,4,6-tristyryl pyrylium salt PyTPA a single dye sense various aliphatic/aromatic amines, nicotine, guanidine rapidly in nanomolar concentrations. unexplored styrylpyrylium design offers specific electronic conjugations, steric/geometric constraints with hydrophobicity, decent thermal/photostability, facilitating precise diverse amines unique fashions. deep-violet solution/solid responded remarkably at 298 K quick decoloration against putrescine, cadaverine, spermidine, spermine, histamines, serotonin, 2-phenylethylamine. Further, this could detect nicotine 313 distinctively diminished absorption unexpected red-shifted emission enhancement. Variation mechanistic path is detecting holding mono/di-NH 2 groups short/ long alkane chains, elucidated by mass, 1 H-NMR, FT-IR, SEM, PXRD, XPS studies. notable these different phases employed onsite applications fresh chicken tuna. Nicotine natural tobacco leaves identified. Such provides promising advancements class molecules biologically significant amines.
Язык: Английский
Процитировано
0
RSC Applied Polymers, Год журнала: 2025, Номер unknown
Опубликована: Янв. 1, 2025
The bindone polymer displays a highly sensitive, selective and reversible colorimetric response to alkyl amines via tautomerisation mechanism, highlighting the potential application in food spoilage detection.
Язык: Английский
Процитировано
0
Journal of the American Chemical Society, Год журнала: 2025, Номер unknown
Опубликована: Апрель 14, 2025
The recognition and differentiation of organic amines are crucial for applications in drug analysis, food spoilage, biomedical assays, clinical diagnostics. Existing luminescence-based methods predominantly rely on fluorescence quenching, limiting the scope sensitive selective detection. Here, we present a fluorochromic approach rapidly distinguishing different based their unique excited-state ground-state interactions with naphthalimide derivative under ultraviolet light. Our findings reveal that photoluminescence quantum yield emission color significantly influenced by substituent group molecular flexibility amine. Specifically, primary amines, together other common lone-pair donors, such as alcohol, ether, thiol, thioether, phosphine, did not exhibit changes, while secondary exhibited only weak emission. For tertiary however, bright green activation was produced molecules containing at least one methyl group; red-shifted yellow observed ones bulkier side groups than methyl; conformationally locked bicycloamines, no observed. In addition, this process depends amine but also shows distinctly ground- dynamics time-resolved spectroscopy. Based these differences, qualitative method is developed visual natural synthetic opioids, including heroin, fentanyl, metonitazene, which more facile rapid compared to current Marquis reagent kit, could facilitate onsite testing, real-time monitoring, streamlined workflows both laboratory field settings.
Язык: Английский
Процитировано
0
Inorganic Chemistry, Год журнала: 2025, Номер unknown
Опубликована: Май 22, 2025
Cluster-assembled luminescent microstructures built with metal nanoclusters (NCs) represent a promising class of nanomaterials diverse applications in photonics and sensing. In this work, we have designed strategy to make photoluminescent material by assembling atom-precise NCs [Cu8(TFMPT)4(DPPE)4] (abbreviated as Cu8), where TFMPT is 4-hydroxy-6-(trifluoromethyl) pyrimidine-2-thiolate DPPE 1,2-bis(diphenylphosphino)ethane. Single-crystal X-ray diffraction (SC-XRD) reveals unique tetracapped tetrahedral Cu8 core structure. Upon gradual addition water (50-85 vol %) the visibly nonluminescent dimethylformamide (DMF) solution clusters, strong orange luminescence (emission at 625 nm under ultraviolet (UV) light) was observed. It due formation spheroidal assemblies nanometer dimension. The cluster-assembled spheroids (CASs) are formed hydrophobic interactions among clusters concentration increases solution. Time-correlated single-photon counting that lifetime aggregates on microsecond scale, which suggests phosphorescence. Such phosphorescent CASs show fast response, high selectivity, naked-eye detection volatile amines (VAs). Spectroscopic studies density functional theory (DFT) calculations provide an in-depth understanding quenching mechanistic ammonia trimethyl amine limits (LoD) were measured be 0.568 × 10-7 M (0.001 ppm) 0.362 (0.002 ppm), respectively. Overall, apart from enriching family copper work additionally introduces new for organic (VOA) compound sensing environmental relevance.
Язык: Английский
Процитировано
0
Molecules, Год журнала: 2023, Номер 28(18), С. 6627 - 6627
Опубликована: Сен. 14, 2023
Bioactive amines are highly relevant for clinical and industrial application to ensure the metabolic status of a biological process. Apart from this, generally, amine identification is key step in various bioorganic processes ranging protein chemistry biomaterial fabrication. However, many have negative impact on environment excess intake can tremendous adverse health effects. Thus, easy, fast, sensitive, reliable sensing methods strongly searched for. In past few years, Meldrum’s acid furfural conjugate (MAFC) has been extensively explored as starting material synthesis photoswitchable donor–acceptor Stenhouse adducts (DASA). DASA formation hereby results rapid reaction MAFC with primary secondary amines, which so far demonstrated through numerous publications different applications. The linear form MAFC-based exhibits intense pink coloration due its conjugated triene-2-ol conformation, inspired researchers use this easy synthesizable molecule an optical sensor primary, secondary, biogenic amines. Due new entry into identification, collection literature exclusively demanded. mini review, we intend present state-of-the-art molecular hopes motivate find even more applications sensors that pave way their usage medicinal
Язык: Английский
Процитировано
5