Supramolecular Catalyst for Improving the Sensitivity of Biomolecule Detection DOI
Ping Yao, Wen Xu, Xueji Zhang

et al.

ChemistrySelect, Journal Year: 2024, Volume and Issue: 9(41)

Published: Oct. 28, 2024

Abstract Supermolecule refers to two or more molecules that are bonded together by secondary bonds between form a multimolecular system at the level of than molecules. At this point, an orderly aggregation, showing its unique structure and function. Supramolecular catalysts can structures with specific functions through non‐covalent interactions (e. g., hydrogen bonding, π‐π stacking, etc.) mimic catalytic mechanism natural enzymes achieve susceptible detection biomolecules. The application supramolecules is mainly focused on self‐assembly components for construction sensing platform. Therefore, supramolecular have huge potential in biomolecule detection. This article focuses cyclodextrins(CD), cucurbit[n]uril(CB), porphyrins(PP) Calix[n]arenes(CA) field catalysis improving sensitivity. Research progress polymerization amplification summarized paper.

Language: Английский

Porphyrin-based MOFs for sensing environmental pollutants DOI Creative Commons
Pan Gao, Soumya Mukherjee, Mian Zahid Hussain

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 492, P. 152377 - 152377

Published: May 18, 2024

Utilizing porphyrin molecules as the building blocks (ligands) of metal–organic frameworks (MOFs) leads to porphyrinic MOFs (including incorporation functional materials into MOFs), whereas immobilization porous afford porphyrin@MOFs. These two kinds, collectively regarded porphyrin-based (PP-MOFs), are known feature distinct photophysical and electrochemical properties lending towards several applications. This is because PP-MOFs can overcome instability self-quenching issues oft-encountered in porphyrins. Thanks ordered porphyrins electron-hopping mobility, this relatively new class has received a surge attention sensing environmental pollutants. review will explore strengths weaknesses context, well influence various sensory mechanisms associated with them. Libraries porphyrin@MOFs reviewed herein, number them featuring optimal selectivity sensitivity for device fabrication. Finally, challenges prospects monitoring critically interrogated.

Language: Английский

Citations

22
Detecting the saddling deformations in nickel meso-phenyl substituted porphyrins using low-frequency Raman characteristic peaks DOI

Shenhao Wang,

Qing Huang

Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, Journal Year: 2025, Volume and Issue: 330, P. 125750 - 125750

Published: Jan. 15, 2025

Language: Английский

Citations

0
An “on-off-on” fluorescent sensor based on TSPP-gallic acid: Visual detection of S2− in actual samples DOI
Yuanyuan Liu, Tianfeng Ma, Jing Li

et al.

Journal of Porphyrins and Phthalocyanines, Journal Year: 2024, Volume and Issue: 28(03), P. 143 - 150

Published: Feb. 20, 2024

A novel “on-off-on” switches fluorescence sensor based on TSPP-gallic acid (GA) for S[Formula: see text]-detecting was designed in this article. 5,10,15,20- (4-sulphonatophenyl) porphyrin (TSPP) synthesized by a modified “one-pot” method. The TSPP used as probe the construction of sensing system. At room temperature, maximum emission wavelength could be obtained at 642 nm when excitation 515 signal “on” mode. solution appeared pink color moment. When GA introduced into solution, turned off (fluorescence intensity quenched) due to protonation TSPP, which caused weak acidity GA. changed from green. Following that, an acid-base reaction between text]and initiated text]was TSPP-GA system, leading liberation and restoration intensity. reverted red, indicating that system had returned good selectivity sensitivity text], linear range 4.52 × 10[Formula: text] M [Formula: 4.34 M, detection limit (LOD) 0.87 M. It detect sulfur ions actual samples with satisfactory recoveries RSD values.

Language: Английский

Citations

3
CRISPR-integrated metal-organic frameworks for biosensing applications: Recent advances and future perspective DOI Creative Commons
Babak Mikaeeli Kangarshahi,

Anahita Beigi,

Seyed Morteza Naghib

et al.

Sensing and Bio-Sensing Research, Journal Year: 2025, Volume and Issue: unknown, P. 100736 - 100736

Published: Jan. 1, 2025

Language: Английский

Citations

0
Porphyrin-based Nanorings for sensitive Tabun detection: Insights from density functional theory DOI

Farnaz Behmagham,

Sattar Arshadi,

Zahraa Sabah Ghnim

et al.

Computational and Theoretical Chemistry, Journal Year: 2025, Volume and Issue: unknown, P. 115230 - 115230

Published: April 1, 2025

Language: Английский

Citations

0
β-Bi2O3–Bi2WO6 Nanocomposite Ornated with meso-Tetraphenylporphyrin: Interfacial Electrochemistry and Photoresponsive Detection of Nanomolar Hexavalent Cr DOI

Sunanda Pal,

Vikram Mahamiya,

Purbali Ray

et al.

Inorganic Chemistry, Journal Year: 2023, Volume and Issue: 62(51), P. 21201 - 21223

Published: Dec. 11, 2023

Hexavalent chromium exposure via inhalation, ingestion, or both has been proven to adversely affect internal organs, induce toxic effects, cause allergies, and contribute the development of cancer. It requires a substantial challenging effort detect several heavy metal ions conveniently, sensitively, reliably by using materials that are easy synthesize have high yield. The impact light on electrocatalytic oxidation/reduction process proves an environmentally friendly methodology with numerous applications in pollution control. extensive use photoactive photoelectrochemical (PEC) sensors necessitates stable highly effective materials. Hence, solvothermal synthesis organic-inorganic hybrid nanocomposite β-Bi2O3-Bi2WO6/H2TPP varying weight percentages meso-tetraphenylporphyrin (H2TPP) resulted selective electrode for photoelectrocatalytic reduction Cr6+ fluorine-doped tin oxide (FTO) adsorption-reduction mechanism. H2TPP increases active site density provides surface area efficient adsorption providing pyridinic- pyrrolic-N atoms β-Bi2O3-Bi2WO6/H2TPP. could effectively adsorb composite system through electrostatic interaction, adsorbed were reduced trivalent Cr3+, resulting promising sensing. projected states Bader charge calculations result attraction among N-2p orbital 3d 4s orbitals Cr atom, hexavalent atom onto center H2TPP. Moreover, addition results mesoporous offers strong electrical conductivity, area, improved charge-mass transport, intimate contact between electrolyte catalyst, extended fluorescence lifetime, increased stability. role pH values was thoroughly investigated. All electrochemical studies carried out 5 wt % H2TPP-ornated β-Bi2O3-Bi2WO6. Nanocomposite β-Bi2O3-Bi2WO6/5 demonstrated reliable cyclic stability, reproducibility, good sensitivity (8.005 μA mM cm-2), low limit detection (LOD) (8.0 nM) toward Cr6+. interference study presence few inorganic entities exhibited excellent selectivity. This tale amplification approach developing suggests deeper understanding application environmental remediation real samples under irradiation.

Language: Английский

Citations

4
Controlling Chirogenic Effects in Porphyrin Based Supramolecular Systems: Theoretical Analysis Versus Experimental Observations DOI Creative Commons
Irina Osadchuk, Hanna‐Eliisa Luts,

Aleksandra Zahharova

et al.

ChemPhysChem, Journal Year: 2024, Volume and Issue: 25(11)

Published: May 1, 2024

Abstract Electronic circular dichroism (ECD) spectroscopy is a widely employed method for studying chiral analysis, requiring the presence of chromophore close to centre. Porphyrinoids are found be one best chromophoric systems serving this purpose and enabling application ECD chirality determination across diverse classes organic compounds. Consequently, it crucial understand induction mechanisms in porphyrin‐based complexes. The present study explores systematically influence secondary chromophores, bonded an achiral zinc porphyrin or guest molecules, on B‐region spectra using time‐dependent density functional theory (TD‐DFT) calculations. analyses impact change both conformation (host) position molecule (guest) B‐band (energy, intensity, sign Cotton effect). Finally, conclusions made model complexes applied published experimental data, contributing deeper understanding various factors influencing systems. In addition, computer program aimed help rationalise by visualizing corresponding orbital energies, rotatory strengths, electric magnetic transition moments, angles between them, presented.

Language: Английский

Citations

0
Supramolecular Catalyst for Improving the Sensitivity of Biomolecule Detection DOI
Ping Yao, Wen Xu, Xueji Zhang

et al.

ChemistrySelect, Journal Year: 2024, Volume and Issue: 9(41)

Published: Oct. 28, 2024

Abstract Supermolecule refers to two or more molecules that are bonded together by secondary bonds between form a multimolecular system at the level of than molecules. At this point, an orderly aggregation, showing its unique structure and function. Supramolecular catalysts can structures with specific functions through non‐covalent interactions (e. g., hydrogen bonding, π‐π stacking, etc.) mimic catalytic mechanism natural enzymes achieve susceptible detection biomolecules. The application supramolecules is mainly focused on self‐assembly components for construction sensing platform. Therefore, supramolecular have huge potential in biomolecule detection. This article focuses cyclodextrins(CD), cucurbit[n]uril(CB), porphyrins(PP) Calix[n]arenes(CA) field catalysis improving sensitivity. Research progress polymerization amplification summarized paper.

Language: Английский

Citations

0