Turn-on fluorescent chemosensor based on an amino acid for Pb (II) and Hg (II) ions in aqueous solutions and role of tryptophan for sensing

LN Neupane, JY Park, JH Park, KH Lee - Organic letters, 2013 - ACS Publications
This communication presents a fluorescent chemosensor for detecting Pb (II) and Hg (II) in
aqueous solutions. The sensor showed a turn-on response to Pb (II) by an enhancement of …

Selective and sensitive ratiometric detection of Hg (II) ions using a simple amino acid based sensor

MH Yang, P Thirupathi, KH Lee - Organic letters, 2011 - ACS Publications
Synthesis of a novel pyrene derivative sensor (Py-Met) based on amino acid and its
fluorescent behavior for Hg (II) in water was investigated. Upon Hg (II) binding, the Py-Met …

A methionine biomolecule-modified chromenylium-cyanine fluorescent probe for the analysis of Hg2+ in the environment and living cells

Y Alcay, E Ozdemir, MS Yildirim, U Ertugral, O Yavuz… - Talanta, 2023 - Elsevier
The objective of the study is, for the first time, to construct a new near infrared (NIR)
fluorophore, spectrophotometric, colorimetric, ratiometric, and turn-on probe (CSME) based …

A pyrene based Schiff base probe for selective fluorescence turn-on detection of Hg 2+ ions with live cell application

M Shellaiah, YC Rajan, P Balu, A Murugan - New Journal of Chemistry, 2015 - pubs.rsc.org
A novel pyrene based free thiol containing a Schiff base derivative PT1 was synthesized via
a one-pot reaction and utilized as a fluorescence turn-on probe for Hg2+ ion detection along …

Ferrocene and Triazole-Appended Rhodamine Based Multisignaling Sensors for Hg2+ and Their Application in Live Cell Imaging

C Arivazhagan, R Borthakur, S Ghosh - Organometallics, 2015 - ACS Publications
Two triazole-appended ferrocene–rhodamine conjugates, C47H45N7O3Fe (2) and
C49H49N7O3Fe (3), have been synthesized, and their electrochemical, optical, and metal …

Ratiometric fluorescent detection of Hg (II) by amino-acid based fluorescent chemodosimeter using irreversible reaction of phenylboronic acid with mercury species

S Subedi, LN Neupane, PK Mehta, KH Lee - Dyes and Pigments, 2021 - Elsevier
Boronic acids have been widely employed as important intermediates for various organic
syntheses and reversible receptors for glucose and carbohydrates. We developed a new …

Selective and sensitive ratiometric detection of Hg 2+ in 100% aqueous solution with triazole-based dansyl probe

LN Neupane, JM Kim, CR Lohani… - Journal of Materials …, 2012 - pubs.rsc.org
An amino acid-based fluorescent sensor (3) bearing a triazole group was synthesized by
solid phase synthesis using click chemistry. 3 showed highly sensitive ratiometric response …

Highly sensitive ratiometric fluorescent chemosensor for silver ion and silver nanoparticles in aqueous solution

S Jang, P Thirupathi, LN Neupane, J Seong… - Organic …, 2012 - ACS Publications
A pyrene derivative chemosensor (Pyr-WH) based on a dipeptide shows a highly sensitive
ratiometric response to Ag (I) as well as silver nanoparticles in aqueous solution at …

Novel Thieno-imidazole Based Probe for Colorimetric Detection of Hg2+ and Fluorescence Turn-on Response of Zn2+

R Satapathy, YH Wu, HC Lin - Organic letters, 2012 - ACS Publications
Novel thieno-imidazole based polymer P showed both colorimetric and ratiometric
detections of Hg2+ as well as fluorometric detection of Zn2+ via fluorescence turn-on …

Tuning of the selectivity of fluorescent peptidyl bioprobe using aggregation induced emission for heavy metal ions by buffering agents in 100% aqueous solutions

LN Neupane, GW Hwang, KH Lee - Biosensors and Bioelectronics, 2017 - Elsevier
Smart fluorescent probes of which the detection of specific target molecules can be
controlled are attracting remarkable interest. A fluorescent peptidyl bioprobe (1) was …