Poly(Azomethine-urethane)-based Fluorescent Chemosensor for the Detection of Cr3+ Cations in Different Water Samples

Kamacı, Musa

doi:10.1007/s10895-022-03037-7

Cited by 7 publications

(4 citation statements)

References 36 publications

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“…It works well for Cr 3+ recognition in ACN. A novel poly(methylene-carbamate) chemical sensor, HIMA, was prepared in a two-step reaction using hexamethylene diisocyanate, 2,4-dihydroxy benzaldehyde, and 2-aminopheno, which could detect Cr 3+ cations in different solutions [131]. It shows specific sensitivity in DMF/H 2 O (1:2, v/v), with a detection limit of 7.98 × 10 −7 M, and has been successfully employed in different potable water samples.…”

Section: Fluorescent Probes To Detect Cr 3+mentioning

confidence: 99%

Recent Progress on Fluorescent Probes in Heavy Metal Determinations for Food Safety: A Review

et al. 2023

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One of the main challenges faced in food safety is the accumulation of toxic heavy metals from environmental sources, which can sequentially endanger human health when they are consumed. It is invaluable to establish a practical assay for the determination of heavy metals for food safety. Among the current detection methods, technology based on fluorescent probes, with the advantages of sensitivity, convenience, accuracy, cost, and reliability, has recently shown pluralistic applications in the food industry, which is significant to ensure food safety. Hence, this review systematically presents the recent progress on novel fluorescent probes in determining heavy metals for food safety over the past five years, according to fluorophores and newly emerging sensing cores, which could contribute to broadening the prospects of fluorescent materials and establishing more practical assays for heavy metal determinations.

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Section: Fluorescent Probes To Detect Cr 3+mentioning

confidence: 99%

Recent Progress on Fluorescent Probes in Heavy Metal Determinations for Food Safety: A Review

et al. 2023

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“…5−9 These attributes render poly(azomethine)s suitable for sensor applications and light-emitting materials. Furthermore, diversely modified iterations of poly(azomethine)s, such as poly(azomethine-ether)s, 10,11 poly(azomethine-urethane)s, 12 This article is licensed under CC-BY 4 poly(azomethine-sulfone)s, 13 and poly(azomethinecarbonate)s, 14 have been synthesized to enhance the solubility and processability of these distinctive polymer variants. Poly(azomethine)s have emerged as prominent subjects of investigation owing to their intricate optical and electronic characteristics and have been extensively reviewed in the context of optoelectronic appliances with the inclusion of polymer light-emitting diodes and polymer solar cells.…”

Section: Introductionmentioning

confidence: 99%

“…The pronounced allure surrounding these conjugated polymers stems from their commendable attributes encompassing thermal stability, mechanical robustness, optoelectronic qualities, photovoltaic potential, paramagnetism, electrical conductance, liquid crystalline behavior, therapeutic functionality, and their propensity to form metal complexes. − These attributes render poly(azomethine)s suitable for sensor applications and light-emitting materials. Furthermore, diversely modified iterations of poly(azomethine)s, such as poly(azomethine-ether)s, , poly(azomethine-urethane)s, poly(azomethine-sulfone)s, and poly(azomethine-carbonate)s, have been synthesized to enhance the solubility and processability of these distinctive polymer variants.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparative Study of Bis-Schiff Case Containing Conjugated Oligomers Based on Phosphate and Silane Moieties: Investigation of Photophysical and Thermal Properties

Kolcu,

Çulhaoğlu,

Kaya

2024

ACS Omega

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Oligo(azomethine)s bearing phosphate and silane moieties were the subject of an investigation within this study. The initial stage involved the synthesis of two Schiff base monomers, denoted as SCH-1 and SCH-2 (SCHs), each possessing a pair of hydroxyl functional groups. This was achieved through a loss of water between the aldehyde and diamine precursors. Subsequently, the Schiff base entities were subjected to oligomerization through HCl-mediated elimination due to the interaction between the hydroxyl groups of the Schiff bases and the chlorine moieties of dichlorodiethylsilane (Si) or phenyl dichlorophosphate (P). This procedure yielded distinct P-oligo(azomethine) (P1−P, P2−P) and Si-oligo(azomethine) (P1−Si and P2−Si) structures corresponding to each precursor. The molecular structures of the synthesized Schiff base monomers and oligo(azomethine)s were elucidated employing Fourier transform infrared, 1 H NMR, and 13 C NMR techniques. Thermal properties of the resulting products were assessed by utilizing thermogravimetric analysis (TG-DTG/ DTA and DSC) techniques. Scanning electron microscopy (SEM) was employed to acquire high-resolution images and detailed surface information on the samples. Additionally, X-ray diffraction was employed to analyze the phase properties of the solid samples. Furthermore, the optical band gap (E g ) values of the resulting P-oligo(azomethine)s and Si-oligo(azomethine)s were determined utilizing UV−vis spectrophotometer. The relatively low band gap values exhibited by the synthesized oligo(azomethine)s were indicative of their potential suitability as semiconductive materials in the realm of electronic and optoelectronic device fabrication. Photoluminescence (PL) measurements disclosed a green emission profile upon excitation by blue light. The oligo(azomethine)s incorporating methoxy groups demonstrated a red shift in comparison to their counterparts with methyl groups. Remarkably, no discernible fluctuations in fluorescence were observed over a 3600 s interval under consistent conditions. This observation underscored the inherent stability of the PL emission across the spectral range of exciting light. Thermal analyses unveiled high thermal stability of the synthesized oligo(azomethine)s, sustaining their structural integrity up to 220 °C. The char % of P-oligo(azomethine)s and Si-oligo(azomethine)s were observed to fall within the range of 29.45−55.47% at 1000 °C. SEM images revealed the absence of pores on the surface of P2−Si, which exhibited the highest limiting oxygen index and thermal heat release index (T HRI ) values.

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Coumarin-Modified Starch Fluorescent Nanoparticles as Sensor of Fe3+ and Zn2+ ions Utilizing Dynamic Quenching and Chelation Mechanisms

Alavifar,

Golshan,

Hosseini

et al. 2024

J Fluoresc

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Poly(Azomethine-urethane)-based Fluorescent Chemosensor for the Detection of Cr3+ Cations in Different Water Samples

Cited by 7 publications

References 36 publications

Recent Progress on Fluorescent Probes in Heavy Metal Determinations for Food Safety: A Review

Recent Progress on Fluorescent Probes in Heavy Metal Determinations for Food Safety: A Review

Comparative Study of Bis-Schiff Case Containing Conjugated Oligomers Based on Phosphate and Silane Moieties: Investigation of Photophysical and Thermal Properties

Coumarin-Modified Starch Fluorescent Nanoparticles as Sensor of Fe3+ and Zn2+ ions Utilizing Dynamic Quenching and Chelation Mechanisms

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