A neutral mononuclear rhenium(<scp>i</scp>) complex with a rare <i>in situ</i>-generated triazolyl ligand for the luminescence “turn-on” detection of histidine

Thanasekaran, Pounraj; Huang, Jui-Hsiang; Jhou, Cing-Rou; Tsao, Hsiang-Chun; Mendiratta, Shruti; Su, Cing‐Huei; Liu, Ching-Ping; Liu, Yen‐Hsiang; Huang, Jui‐Hsien; Lu, Kuang‐Lieh

doi:10.1039/d2dt03705j

Dalton Trans.

2023

DOI: 10.1039/d2dt03705j

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A neutral mononuclear rhenium(i) complex with a rare in situ-generated triazolyl ligand for the luminescence “turn-on” detection of histidine

Pounraj Thanasekaran

Jui-Hsiang Huang

Cing-Rou Jhou

et al.

Abstract: The rare in situ generated mononuclear rhenium complex [Re(bpt)(CO)3(NH3)] (1, bpt = 3,5-bis(2-pyridyl)-1,2,4-triazolate) can be used as a “turn-on” luminescent probe for selectively sensing L-histidine against other amino acids. Compound...

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A Copper‐Incorporated meso‐(N’‐acetyl‐hydrizide)‐BODIPY as a “Off‐On” Fluorescent Probe for Histidine

Cho,

Sharma,

Saputra

et al. 2024

Chemistry An Asian Journal

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We present a highly sensitive and selective fluorescence "turn‐on" sensor for L‐histidine (His) detection in aqueous solutions utilizing a 1‐Cu2+ complex. This sensing platform employs a fluorescence‐based ligand displacement approach, featuring a meso‐(N’‐acetyl‐hydrizide)‐based BODIPY derivative (1) complexed with Cu2+. Initially highly fluorescent, the emission of 1 is selectively quenched by Cu2+ ions, forming the 1‐Cu2+ complex. The high affinity between His and Cu2+ effectively displaces 1 from the complex, restoring fluorescence. The system exhibits rapid response (within 5 minutes), excellent sensitivity (detection limit of 78 nM), operational simplicity, and a large fluorescence "turn‐on" signal. It demonstrates remarkable selectivity for His over other amino acids, with maleimide masking cysteine interference. Notably stable in complex biological matrices, the sensor has successfully quantified His in artificial urine samples. Its practical applicability extends to paper‐based test strips, offering portability and potential for real‐time His monitoring in clinical diagnostics and biological systems.

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A Copper‐Incorporated meso‐(N’‐acetyl‐hydrizide)‐BODIPY as a “Off‐On” Fluorescent Probe for Histidine

Cho,

Sharma,

Saputra

et al. 2024

Chemistry An Asian Journal

View full text Add to dashboard Cite

show abstract

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A neutral mononuclear rhenium(i) complex with a rare in situ-generated triazolyl ligand for the luminescence “turn-on” detection of histidine

Abstract: The rare in situ generated mononuclear rhenium complex [Re(bpt)(CO)3(NH3)] (1, bpt = 3,5-bis(2-pyridyl)-1,2,4-triazolate) can be used as a “turn-on” luminescent probe for selectively sensing L-histidine against other amino acids. Compound...

Cited by 1 publication

References 53 publications

A Copper‐Incorporated meso‐(N’‐acetyl‐hydrizide)‐BODIPY as a “Off‐On” Fluorescent Probe for Histidine

A Copper‐Incorporated meso‐(N’‐acetyl‐hydrizide)‐BODIPY as a “Off‐On” Fluorescent Probe for Histidine

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