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Recent Publications

▶  2022

- S. Sarkar, A. Shil, Y. L. Jung, S. Singha, and K. H. Ahn, "Rapid Point-of-Care Quantification of Human Serum Albumin in Urine Based on Ratiometric Fluorescence Signaling Driven by Intramolecular H-Bonding", ACS sens2022, XXXX, XXX, XXX-XXX., DOI: doi/10.1021/acssensors.2c01684 <Link>

- Y. L. Jung, S. Sarkar, J. Ha, S. B. Park, K. H. Ahn, "Fluorophore Labeling of Proteins: a Versatile Trigger–Release–Conjugation Platform Based on the Quinone Methide Chemistry", Bioconjugate Chem. 2022, 33, 1543–1551., DOI: doi/10.1021/acs.bioconjchem.2c00297 <Link>

-  Y. W. Jun, K. H. Kim, Y. J. Yang, Y. Jung, K. Kim, H. Kim, B. H. Oh,  K. H. Ahn, "Discrimination of Invasive Human Skin Tumor Using an Ultrafast ATP–Proton AND-Gate Probe", ACS Sens. 2022, 7, 1068–1074., DOI: <Link>

- S. Biswas, S. Sarkar, A. Shil, T. S. Demina, K. H. Ahn, S. Bhuniya "A π‑Stacking Based Fluorescent Probe for Labeling of Flavin Analogues in Live Cells through Unusual FRET Process", Anal. Chem. 2022, 94, 3494–3500., DOI: 10.1021/acs.analchem.1c04024 <Link>

- H.R. Kim, S. Sarkar, K. H. Ahn “A Two-Photon Ratiometric Sensing Platform Based on Solid-State Luminescent Benzocoumarin: Application to Prolonged Bioimaging of Hydrogen Peroxide”, Chem. Asian J. 2022, 17, e202101317., DOI: doi/10.1002/asia.202101317 <Link>

- S. Sarkar, A. Shil, M. Nandy, S. Singha, Y. J. Reo, Y. J. Yang, K. H. Ahn "Rationally Designed Two-Photon Ratiometric Elastase Probe for Investigating Inflammatory Bowel Disease", Anal. Chem. 2022, 94, 1373−1381, DOI: doi/10.1021/acs.analchem.1c04646 <Link>

▶  2021

-K. H. Kim, S. J. Kim, S. Singha, Y. J. Yang, S. K. Park, K. H. Ahn "Ratiometric Detection of Hypochlorous Acid in Brain Tissues of Neuroinflammation and Maternal Immune Activation Models with a Deep-Red/Near-Infrared Emitting Probe", ACS Sens. 20216, 3253–3261., DOI: <Link>

- Y. J. Yang, M. Dai, Y. J. Reo, C. W. Song, S. Sarkar, K. H. Ahn "NAD(P)H Quinone Oxidoreductase-1 in Organ and Tumor Tissues: Distinct Activity Levels Observed with a Benzo-rosol-Based Dual-Excitation and Dual-Emission Probe", Anal. Chem. 2021, 93, 7523–7531., DOI: <Link>

- S. W. Cho, Y. W. Jun, Y. J. Reo, S. Sarkara, K. H. Ahn "Environment-insensitive two-photon ratiometric probe for in cellulo quantitative measurement of hydrogen peroxide", Results in Chemistry 2021, 3, 100117-100122., DOI: <Link>

- H. R. Kim, S. Sarkar, M. Nandy, K. H. Ahn "Imidazolyl–benzocoumarins as ratiometric fluorescence probes for biologically extreme acidity", Spectrochimica acta. Part A2021248, 119088-119097.,

DOI: 10.1016/j.saa.2020.119088 <Link>

- Y. J. Reo, S. Sarkar, M. Dai, Y. J. Yang, K. H. Ahn "Structurally Compact, Blue–Green–Red Fluorescence Trackers for the Outer Cell Membrane: Zwitterionic (Naphthylvinyl)pyridinium Dyes"

ACS Appl. Bio Mater. 2021, 4, 2089–2096., DOI: 10.1021/acsabm.0c01208  <Link>

- M. Dai, C. W. Song, Y. J. Yang, H. R Kim, Y. J. Reo, K. H. Ahn "Toward Ratiometric Detection of NAD(P)H Quinone Oxidoreductase-1: Benzocoumarin-Based Fluorescent Probes" Sens. Actuators B Chem. 2021330, 129277-129286., DOI: 10.1016/j.snb.2020.129277 <Link>

- S. Sarkar, H. Lee, H. G. Ryu, S. Singha, Y. M. Lee, Y. J. Reo, Y. W. Jun, K. H. Kim, W. J. Kim, and K. H. Ahn "A Study on Hypoxia Susceptibility of Organ Tissues by Fluorescence Imaging with a Ratiometric Nitroreductase Probe" ACS Sens. 2021,  6, 148–155., DOI: 10.1021/acssensors.0c01989 <Link>

- S. W. Cho, Y. J. Reo, S. Sarkar, K. H. Ahn, “Electronic Effects on the Depropargylation Process in the Reaction‐based Fluorescent Detection of Palladium Species: Benzocoumarin‐based Ratiometric Sensing Systems”, Bull. Korean Chem. Soc. 202142, 135–139., DOI:10.1002/bkcs.12173. <Link>

▶  2020

- M. Dai, Y. J. Reo, C. W. Song, Y. J. Yang, K. H. Ahn "Development of Photo- and Chemo-stable Near-Infrared-Emitting Dyes: Linear-Shape Benzo-Rosol and Its Derivatives as Unique Ratiometric Bioimaging Platforms" Chem. Sci. 202011, 8901-8911., DOI: 10.1039/D0SC03314F <Link>

- U. Tamima, C. W. Song, M. Santra, Y. J. Reo,  H. Banna, M. R. Islam, K. H. Ahn "A benzo[b]xanthene-derived fluorescent probe capable of two-photon ratiometric imaging of lysosomal cysteine with high specificity" Sens. Actuators B Chem. 2020322, 128588-128597.,  DOI: 10.1016/j.snb.2020.128588 <Link>


- M. Dai, H. Lee, Y. J. Yang, M. Santra, C. W. Song, Y. W. Jun, Y. J. Reo, W. J. Kim, K. H. Ahn, "Synthesis of Near‐Infrared‐Emitting Benzorhodamines and Their Applications to Bioimaging and Photothermal Therapy.", Chem. Eur. J. 202026, 11549-11557., DOI: 10.1002/chem.202001163 <Link>

- Y. J. Reo, Y. W. Jun, S. W. Cho, J. Jeon, H. Roh, S. Singha, M. Dai, S. Sarkar, H. R. Kim, S. Kim, Y. Jin, Y. L. Jung, Y. J. Yang, C. Ban, J. Joo, K. H. Ahn " Systematic study on discrepancy of fluorescent properties between in solutions and in cells: Super-bright, environment-insensitive benzocoumarin dyes" Chem. Commun. 202056, 10556-10559., DOI: 10.1039/D0CC03586F. <Link>

- Y. J. Reo, M. Dai, Y. J. Yang, K. H. Ahn "Cell-Membrane-Localizing, Two-Photon Probe for Ratiometric Imaging of γ-Glutamyl Transpeptidase in Cancerous Cells and Tissues" Anal. Chem. 202092, 18, 12678–12685., DOI: 10.1021/acs.analchem.0c03013 <Link>

- M. Dai, S. Sarkar, C. W. Song, Y. J. Reo, Y. J. Yang, K. H. Ahn "Bent‐Benzocoumarin Dyes that Fluoresce in Solution and in Solid State and Their Application to Bioimaging" ChemPhotoChem. 20204, 721-728., DOI: 10.1002/cptc.202000059 <Link>

- H. J. Park, C. W. Song, S. Sarkar, Y. W. Jun, Y. J. Reo, M. Dai, K. H. Ahn " A Caveat to Common Hemicyanine Dye Components and Its Resolution" Chem. Commun. 202056, 7025-7028.,

DOI: 10.1039/D0CC01833C <Link>




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