Recent Publications

▶  2023

• S. Sarkar,* A. Shil, S. Maity, Y. L. Jung, M. Dai, A. Acharya, K. H. Ahn* “A General Strategy Toward pH-Resistant Phenolic Fluorophores for High-Fidelity Sensing and Bioimaging Applications”, Angew. Chem. 2023, XXXX. DOI: 10.1002/anie.202311 <Link>
• M. Dai, Y. J. Yang, S. Sarkar, K. H. Ahn*, “Strategies to convert organic fluorophores into red/near-infrared emitting analogues and their utilization in bioimaging probes”, Chem. Soc. Rev. 2023, Advanced Article. DOI: 10.1039/d3cs00475a <Link>
• S. Sarkar, A. Shil, Y. W. Jun, Y. J. Yang, W. Choi, S. Singha,* K. H. Ahn, * “Interactive Twin Intramolecular Hydrogen Bonds Enable Bright, S-Blue Emissive, Environment-Insensitive Single-Benzene Fluorophores”, Adv. Funct. Mater. 2023, 2304507. DOI: 10.1002/adfm.202304507 <Link>
• Y. J. Yang, M. Dai, and K. H. Ahn*, “Cell-Membrane-Localizing Fluorescence Probes for Aminopeptidase N”, ACS Sens. 2023, 8, 2791–2798, DOI: https://doi.org/10.1021/acssensors.3c00730 <Link>
• H. R. Kim, A. Shil, S. Sarkar*, and K. H. Ahn*, “Dissecting the Crosstalk between Bisulfite and Hypochlorous Acid in the Reaction-Based Fluorescence Detection with Dicyanovinyl-Based Probes”, J. Org. Chem. 2023, 88, 5563–5571., DOI: https://doi.org/10.1021/acs.joc.3c00086 <Link>
• U. Tamima, S. Sarkar, M. R. Islam, A. Shil, K. H. Kim, Y. J. Reo, Y. W. Jun, H. Banna, S. Lee, and K. H. Ahn*, “A Small-Molecule Fluorescence Probe for Nuclear ATP”, Angew. Chem.Int. Ed. 2023, 62,  e2023005., DOI: https://doi.org/10.1002/anie.202300580 <Link>

▶  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 sens. 2022, 7, 3790–3799, 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: doi.org/10.1021/acssensors.1c02712 <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. 2021, 6, 3253–3261., DOI: https://doi.org/10.1021/acssensors.1c00930 <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: https://doi.org/10.1021/acs.analchem.1c01178 <Link>
• H. R. Kim, S. Sarkar, M. Nandy, K. H. Ahn “Imidazolyl–benzocoumarins as ratiometric fluorescence probes for biologically extreme acidity”, Spectrochimica acta. Part A, 2021, 248, 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. 2021, 330, 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. 2021, 42, 135–139., DOI:10.1002/bkcs.12173. <Link>