Research > 2011-present
Publication (2011-Present)
Recently, we have been developing novel fluorescence probes, focusing on two photon absorbing materials as well as bio- and nano materials. After synthesizing bioconjugated molecules of therapeutic activity and nano biosensors for early diagnosis of disease, we look for application of bio-imaging and disease diagnosis.

A π-Stacking Based Fluorescent Probe for Labeling of Flavin Analogues in Live Cells through Unusual FRET Process
S. Biswas, S. Sarkar, A. Shil, T. S. Demina, K. H. Ahn, and S. Bhuniya
Anal. Chem. 2022, 94, 3494–3500.

A Two-Photon Ratiometric Sensing Platform Based on Solid-State Luminescent Benzocoumarin: Application to Prolonged Bioimaging of Hydrogen Peroxide
H.R. Kim, S. Sarkar, and K. H. Ahn
Chem. Asian J. 2022, 17, e202101317.

Rationally Designed Two-Photon Ratiometric Elastase Probe for Investigating Inflammatory Bowel Disease
S. Sarkar, A. Shil, M. Nandy, S. Singha, Y. J. Reo, Y. J. Yang, and K. H. Ahn
Anal. Chem. 2022, 94, 1373−1381.

Ratiometric Detection of Hypochlorous Acid in Brain Tissues of Neuroinflammation and Maternal Immune Activation Models with a Deep-Red/Near-Infrared Emitting Probe
K. H. Kim, S. J. Kim, S. Singha, Y. J. Yang, S. K. Park and K. H. Ahn
ACS Sens. 2021, 6, 3253–3261.

Y. J. Yang, M. Dai, Y. J. Reo, C. W. Song, S. Sarkar, and K. H. Ahn
Anal. Chem. 2021, 93, 7523–7531.

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

Imidazolyl–benzocoumarins as ratiometric fluorescence probes for biologically extreme acidity
H. R. Kim, S. Sarkar, M. Nandy, K. H. Ahn
Spectrochimica acta. Part A, 2021, 248, 119088-119097.

Structurally Compact, Blue–Green–Red Fluorescence Trackers for the Outer Cell Membrane: Zwitterionic (Naphthylvinyl)pyridinium Dyes
Y. J. Reo, S. Sarkar, M. Dai, Y. J. Yang, K. H. Ahn
ACS Appl. Bio Mater. 2021, 4, 2089–2096

Toward Ratiometric Detection of NAD(P)H Quinone Oxidoreductase-1: Benzocoumarin-Based Fluorescent Probes
M. Dai, C. W. Song, Y. J. Yang, H. R Kim, Y. J. Reo, K. H. Ahn
Sens. Actuators B Chem. 2021, 330, 129277-129286.

A Study on Hypoxia Susceptibility of Organ Tissues by Fluorescence Imaging with a Ratiometric Nitroreductase Probe
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
ACS Sens., 2021, 6, 148–155.

Electronic Effects on the Depropargylation Process in the Reaction‐based Fluorescent Detection of Palladium Species: Benzocoumarin‐based Ratiometric Sensing Systems
S. W. Cho, Y. J. Reo, S. Sarkar, and K. H. Ahn
Bull. Korean Chem. Soc., 2021, 42, 135–139.

Development of Photo- and Chemo-stable Near-Infrared-Emitting Dyes: Linear-Shape Benzo-Rosol and Its Derivatives as Unique Ratiometric Bioimaging Platforms.
M. Dai, Y. J. Reo, C. W. Song, Y. J. Yang, K. H. Ahn
Chem. Sci. 2020, 11, 8901-8911.
![2020(A benzo [b] xanthene-derived fluore](https://static.wixstatic.com/media/b23120_95b8d3c59b1642eaa9b6ad4ab1eb3b76~mv2.png/v1/fill/w_215,h_161,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/2020(A%20benzo%20%5Bb%5D%20xanthene-derived%20fluore.png)
A benzo[b]xanthene-derived fluorescent probe capable of two-photon ratiometric imaging of lysosomal cysteine with high specificity
U. Tamima, C. W. Song, M. Santra, Y. J. Reo, H. Banna, M. R. Islam, K. H. Ahn
Sens. Actuators B Chem. 2020, 322, 128588-128597.

Synthesis of Near‐Infrared‐Emitting Benzorhodamines and Their Applications to Bioimaging and Photothermal Therapy.
M. Dai, H. Lee, Y. J. Yang, M. Santra, C. W. Song, Y. W. Jun, Y. J. Reo, W. J. Kim, K. H. Ahn
Chem. Eur. J. 2020, 26, 11549-11557.

Systematic study on discrepancy of fluorescent properties between in solutions and in cells: Super-bright, environment-insensitive benzocoumarin dyes.
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
Chem. Commun. 2020, 56, 10556-10559.

Cell-Membrane-Localizing, Two-Photon Probe for Ratiometric Imaging of γ-Glutamyl Transpeptidase in Cancerous Cells and Tissues
Y. J. Reo, M. Dai, Y. J. Yang, K. H. Ahn
Anal. Chem. 2020, 92, 18, 12678–12685.

Bent‐Benzocoumarin Dyes that Fluoresce in Solution and in Solid State and Their Application to Bioimaging.
M. Dai, S. Sarkar, C. W. Song, Y. J. Reo, Y. J. Yang, K. H. Ahn
ChemPhotoChem. 2020, 4, 721-728.

A Caveat to Common Hemicyanine Dye Components and Its Resolution.
H. J. Park, C. W. Song, S. Sarkar, Y. W. Jun, Y. J. Reo, M. Dai, K. H. Ahn
Chem. Commun. 2020, 56, 7025-7028.

Frontiers in Probing Alzheimer’s Disease Biomarkers with Fluorescent Small-Molecules.
Y. W. Jun, S. W. Cho, J. Jung, Y. Huh, Y. Kim, D. Kim, K. H. Ahn
ACS Cent. Sci. 2019, 5, 209-217.

Ratiometric Imaging of γ-Glutamyl Transpeptidase Unperturbed by pH, Polarity, and Viscosity Changes: A Benzocoumarin-Based Two-Photon Fluorescent Probe.
Y. J. Reo, Y. W. Jun, S. Sarkar, M. Dai, K. H. Ahn
Anal. Chem. 2019, 91, 14101-14108.

Far-red/near-infrared emitting, two-photon absorbing, and bio-stable amino-Si-pyronin dyes
K. H. Kim, S. Singha, Y. W. Jun, Y. J. Reo, H. R. Kim, H. G. Ryu, S. Bhuniab, K. H. Ahn
Chem. Sci., 2019, 10, 9028-9037.

An Endeavor in the Reaction-Based Approach to Fluorescent Probes for Biorelevant Analytes: Challenges and Achievements,
S. Singha, Y. W. Jun, S. Sarkar, K. H. Ahn
Acc. Chem. Res. 2019, 52, 2571-2581.

Modified Isoindolediones as Bright Fluorescent Probes for Cell and Tissue Imaging
O. Vakuliuk, Y. W. Jun, K. Vygranenko, G. Clermont, Y. J. Reo, M. Blanchard-Desce, K. H. Ahn
Chem. Eur. J. 2019, 25, 13354-13362.

Ratiometric fluorescence detection of Cu(II) with a keto-dipicolylamine ligand: A mechanistic implication
S. W. Cho, A. S. Rao, S. Bhunia, Y. J. Reo, S. Singha, K. H. Ahn
Sens. Actuators B Chem. 2019, 279, 204-212.

A Benzopyronin-Based Two-Photon Fluorescent Probe for Ratiometric Imaging of Lysosomal Bisulfite with Complete Spectral Separation
U. Tamima, M. Santra, C. W. Song. Y. J. Reo, K. H. Ahn
Anal. Chem. 2019, 91, 10779-10785.

A rationally designed polarity-viscosity sensitive probe for imaging lipid droplets
C. W. Song, U. Tamima, Y. J. Reo, M. Dai, S. Sarkar, K. H. Ahn
Dyes. Pigm. 2019, 171, 107718-107725.

Molecular Probes for Fluorescent Imaging of ATP in Cell and Tissue
Y. W. Jun, S. Sarkar, K. H. Kim, K. H, Ahn
ChemPhotoChem. 2019, 3, 214-219.

A Ratiometric Two-Photon Fluorescent Probe for Tracking Lysosomal ATP: Direct In Cellulo Observation of Lysosomal Membrane Fusion Processes
Y. W. Jun, T. Wang, S. Hwang, D. Kim, D. Ma, K. H. Kim, S. Kim, J. Jung, K. H, Ahn
Angew.Chem. Int. Ed. 2018, 57,10142 –10147.

A benzocoumarin based two-photon fluorescent probe for ratiometric detection of bisulfite
Tamima, U.; Singha, S.; Kim, H. R.; Reo, Y. J.; Jun, Y. W.; Das, A.; Ahn, K. H.
Sens. Actuators B Chem. 2018, 277, 576-583.

Two-photon absorbing 8-hydroxy-benzo[g]coumarins with giant Stokes shifts: An environment-insensitive dye platform for probing biomolecules
Sarkar, S.; Santra, M.; Singha, S.; Jun, Y. W.; Reo, Y. J.; Kim, H. R.; Ahn, K. H
J Mater Chem B, 2018, 6, 4446-4452.

Dual probing of redox species, NAD(P)H and HOCl, with a benzo[a]phenoxazine-based far red-emitting dye
Santra, M.; Sarkar, S.; Jun, Y. W.; Reo Y. J.; Ahn, K. H.
Tetrahedron Lett. 2018, 59, 3210-3213.

Exploration of Molecular Shape-Dependent Luminescence Behavior: Fluorogenic Organic Nanoparticles Based on Bent Shaped Excited-State Intramolecular Proton-Transfer Dyes
Santra, M.; Jun, Y. W.; Reo, Y. J.; Sarkar, S.; Choi, W.; Kwon, J. E.; Park S. Y.; Ahn, K. H.
ACS Appl. Bio Mater. 2018, 1,136-145.

Bidirectional Solvatofluorochromism of a Pyrrolo[3,2-B]pyrrole–diketopyrrolopyrrole Hybrid
Ryu, H. G.; Mayther, M. F.; Tamayo, J.; Azarias, C.; Espinoza, E. M.; Banasiewicz, M. ; Łukasiewicz, Ł. G.; Poronik, Y. M.; Jeżewski, A.; Clark, J.; Derr, J. B.; Ahn, K. H.; Gryko, D. T.; Jacquemin D.; Vullev, V. I.
J Phys Chem C, 2018, 122, 13424-13434.

Two-photon fluorescent probe for hydrogen sulfide based on a red-emitting benzocoumarin dye
Ryu, H. G.; Singha, S.; Jun, Y. W.; Reo, Y. J.; Ahn, K. H.
Tetrahedron Lett. 2018, 59, 49-53.

Amino Acid Restriction Triggers Angiogenesis via GCN2/ATF4 Regulation of VEGF and H2S Production
Longchamp, A.; Mirabella, T.; Arduini, A.; MacArthur, M. R.; Das, A. Treviño-Villarreal , J. H.; Hine, C.; Ben-Sahra, I.; Knudsen, N. H.; Brace, L. E.; Reynolds, J.; Mejia, P.; Tao, M.; Sharma, G.; Wang, R.; Corpataux, J. M.; Haefliger, J. A.; Ahn, K. H,; Lee, C.; Manning, B. D.; Sinclair, D. A.; Chen, C. S.; Ozaki, C. K.; Mitchell J. R.
Cell, 2018, 173, 117-129.

Addressing the Autofluorescence Issue in Deep Tissue Imaging by Two-Photon Microscopy: Significance of Far-Red Emitting Dyes
Y. W. Jun, H. R. Kim, Y. J. Reo, M. Dai, and K. H. Ahn
Chem. Sci. 2017, 8, 7696-7704.

Fluorescent Labeling of Protein Using Blue-Emitting 8-Amino-BODIPY Derivatives
Kim, D.; Ma, D.; Kim, M.; Jung, Y.; Kim, N. H.; Lee, C.; Cho, S. W.; Park, S.; Huh, Y.; Jung, J.; Ahn, K. H.
J. Fluoresc. 2017, 27, 2231-2238.

Cardioprotective effect of the sdf-1α/cxcr4 axis in ischemic postconditioning in isolated rat hearts
Kim, J. S.; Jang Y.; Kim, J. H.; Park, Y. H.; Hwang, S. A.; Kim, J.; Lee, S. R.; Xu, Z.; Ban, C. Ahn, K. H.; Chun, K. J.
Korean. Circ. J. 2017, 47, 949-9959, 2017

A Two-Photon Fluorescent Probe for Ratiometric Imaging of Endogenous Hypochlorous Acid in Live Cells and Tissues
Jun, Y. W.; Sarkar, S.; Singha, S.; Reo, Y. J.; Kim, H. R.; Kim, J. J.; Chang, Y. T.; Ahn, K. H.
Chem. Commun. 2017, 53, 10800-10803.

Two-Photon In Vivo Imaging with Porous Silicon Nanoparticle
Kim, D.; Kang, D. J.; Wang, T.; Ryu, H. G.; Zuidema, J. M.; Joo, J.; Kim, M.; Huh, Y.; Jung, J.; Ahn, K. H.; Kim, K. H.; Sailor, M. J.
Adv. Mater. 2017, 29, 1703309.

Fluorescent Labeling of Lysine Residues in Protein Using 8-Thiomethyl-BODIPY
Kim, D.; Cho, S. W.; Jun, Y. W.; Ahn, K. H.
B Korean Chem. Soc. 2017, 38, 995–996.

Hypothalamic-Pituitary Axis Regulates Hydrogen Sulfide Production.
Hine, C.; Kim, H.-J.; Zhu, Y.; Harputlugil, E.; Longchamp, A.; Matos, M. S.; Ramadoss, P.; Bauerle, K.; Brace, L.; Asara, J. M.; Ozaki, C. K.; Cheng, S.; Singha, S.; Ahn, K. H.; Kimmelman, A.; Fisher, F. M.; Pissios, P.; Withers, D. J.; Selman, C.; Wang, R.; Yen, K.; Longo, V. D.; Cohen, P.; Bartke, A.; Kopchick, J. J.; Miller, R.; Hollenberg, A. N.; Mitchell, J. R.
Cell Metab. 2017, 25, 1320-1333.
![2017(Symmetry Breaking in Pyrrolo[3,2-B]](https://static.wixstatic.com/media/b23120_7264b8b348464f96961a31176ba95d92~mv2.png/v1/fill/w_215,h_161,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/2017(Symmetry%20Breaking%20in%20Pyrrolo%5B3%2C2-B%5D.png)
Symmetry Breaking in Pyrrolo[3,2-B]Pyrroles: Synthesis, Solvatofluorochromism and Two-Photon Absorption
Łukasiewicz, Ł. G.; Ryu, H. G.; Mikhaylov, A.; Azarias, C.; Banasiewicz, M.; Kozankiewicz, B.; Ahn, K. H.; Jacquemin, D.; Rebane, A.; Gryko, D. T.
Chem. Asian J. 2017, 12, 1736–1748.

A Sensitive Fluorescent Probe for the Polar Solvation Dynamics at Protein–Surfactant Interfaces
Singh, P.; Choudhury, S.; Singha, S.; Jun, Y.; Chakraborty, S.; Sengupta, J.; Das, R.; Ahn, K. H..; Pal, S. K.
Phys. Chem. Chem. Phys. 2017, 19, 12237–12245.

Ratiometric Fluorescence Detection of Anthrax Biomarker with Eu(III)-EDTA Functionalized Mixed Poly(Diacetylene) Liposomes
Seo, H.; Singha, S.; Ahn, K. H.
Asian J. Org. Chem. 2017, 6, 1257–1263.

Ratiometric Imaging of Tissue by Two-Photon Microscopy: Observation of a High Level of Formaldehyde around Mouse Intestinal Crypts
Singha, S.; Jun, Y. W.; Bae, J.; Ahn, K. H.
Anal. Chem. 2017, 89, 3724–3731.
![2017(water-soluble pyrrolo[3,2,-b]pyrrol](https://static.wixstatic.com/media/b23120_aa737fb953b041c2882737a2e86d9975~mv2.jpg/v1/fill/w_215,h_164,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/2017(water-soluble%20pyrrolo%5B3%2C2%2C-b%5Dpyrrol.jpg)
Water-Soluble Pyrrolo[3,2-B]Pyrroles: Synthesis, Luminescence and Two-Photon Cellular Imaging Properties.
Santra, M.; Jun, Y. W.; Bae, J.; Sarkar, S.; Choi, W.; Gryko, D. T.; Ahn, K. H.
Asian J. Org. Chem. 2017, 6, 278–281.
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Lavender Violet, Blue and Pink: A New Type of Benzo[ a ]Phenoxazine-Based Dipolar, Red-Emitting Dyes
Santra, M.; Jun, Y. W.; Reo, Y. J.; Sarkar, S.; Ahn, K. H.
Dyes Pigm. 2017, 142, 161–166.

Fine-Tuning of CD8 + T Cell Mitochondrial Metabolism by the Respiratory Chain Repressor MCJ Dictates Protection to Influenza Virus
Champagne, D. P.; Hatle, K. M.; Fortner, K. A.; D’Alessandro, A.; Thornton, T. M.; Yang, R.; Torralba, D.; Tomás-Cortázar, J.; Jun, Y. W.; Ahn, K. H.; Hansen, K. C.; Haynes, L.; Anguita, J.; Rincon, M.
Immunity, 2016, 44, 1299–1311.

Detection of Ciprofloxacin in Urine through Sensitized Lanthanide Luminescence
Singha, S.; Ahn, K. H.
Sensors, 2016, 16, 2065.

A Fluorescent Probe for Bisulfite Ions: Its Application to Two-Photon Tissue Imaging.
Agarwalla, H.; Pal, S.; Paul, A.; Jun, Y. W.; Bae, J.; Ahn, K. H.; Srivastava, D. N.; Das, A.
J. Mater. Chem. B, 2016, 4, 7888–7894.
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A Dipolar Anthracene Dye: Synthesis, Optical Properties and Two-Photon Tissue Imaging.
Moon, H.; Jun, Y. W.; Kim, D.; Ryu, H. G.; Wang, T.; Kim, K. H.; Huh, Y.; Jung, J.; Ahn, K. H.
Chem. Asian J. 2016, 11, 2518–2523.

Thermally Induced Silane Dehydrocoupling on Silicon Nanostructures
Kim, D.; Joo, J.; Pan, Y.; Boarino, A.; Jun, Y. W.; Ahn, K. H.; Arkles, B.; Sailor, M. J.
Angew. Chem. Int. Ed. 2016, 55, 6423–6427.
![2016(dipolar dyes with pyrrolo[2,3-b]qui](https://static.wixstatic.com/media/b23120_6b8455e4fe7f433ca8114fa7a1f00618~mv2.png/v1/fill/w_215,h_161,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/2016(dipolar%20dyes%20with%20pyrrolo%5B2%2C3-b%5Dqui.png)
Dipolar Dyes with a Pyrrolo[2,3-b]Quinoxaline Skeleton Containing a Cyano Group and a Bridged Tertiary Amino Group: Synthesis, Solvatofluorochromism, and Bioimaging
Łukasiewicz, Ł. G.; Deperasińska, I.; Poronik, Y. M.; Jun, Y. W.; Banasiewicz, M.; Kozankiewicz, B.; Ahn, K. H.; Gryko, D. T.
Chem. Asian J. 2016, 11, 1718–1724.

Close Correlation of Monoamine Oxidase Activity with Progress of Alzheimer’s Disease in Mice, Observed by in Vivo Two-Photon Imaging
D. K. Kim, S. H. Baik, S. Kang, S. W. Cho, J. Bae, M.-Y. Cha, M. J. Sailor, I. Mook-Jung, and K. H. Ahn
ACS Cent. Sci. 2016, 2, 12, 967–975

A Two-Photon Fluorescent Probe for Lysosomal Zinc Ions
Lee, H.-J.; Cho, C.-W.; Seo, H.; Singha, S.; Jun, Y. W.; Lee, K.-H.; Jung, Y.; Kim, K.-T.; Park, S.; Bae, S. C.; Ahn, K. H.
Chem. Commun. 2016, 52, 124–127.

Shape-Selective, Stoichiometric Sensing of Fatty Acids with a Mixed Polydiacetylene Liposome
Cho, Y.-S.; Ma, D. H.; Ahn, K. H.
J. Mater. Chem. C 2016, 4, 2871–2876.

Two-Photon Absorbing Dyes with Minimal Autofluorescence in Tissue Imaging: Application to in Vivo Imaging of Amyloid‑β Plaques with a Negligible Background Signal
D. Kim, H. Moon, S. H. Baik, S. Singha, Y. W. Jun, T. Wang, K. H. Kim, B. S. Park, J. Jung, I. Mook-Jung, K. H. Ahn.
J. Am. Chem. Soc. 2015, 137, 6781−6789.

Preparation of Luminescent Lanthanide Polymers by Ring-Opening Metathesis Polymerization
Yoon, M. S.; Santra, M.; Ahn, K. H.
Tetrahedron Lett. 2015, 56, 5573–5577.

Fluorescence Sensing Systems for Gold and Silver Species
Singha, S.; Kim, D.; Seo, H.; Cho, S. W.; Ahn, K. H.
Chem. Soc. Rev. 2015, 44, 4367–4399.

π-Expanded Coumarins: Synthesis, Optical Properties and Applications
Tasior, M.; Kim, D.; Singha, S.; Krzeszewski, M.; Ahn, K. H.; Gryko, D. T.
J. Mater. Chem. C 2015, 3, 1421–1446.

Ratiometric Fluorescence Detection of Cysteine and Homocysteine with a BODIPY Dye by Mimicking the Native Chemical Ligation
Ma, D. H.; Kim, D.; Seo, E.; Lee, S.-J.; Ahn, K. H.
Analyst, 2015, 140, 422–427.

An FITC-BODIPY FRET Couple: Application to Selective, Ratiometric Detection and Bioimaging of Cysteine
Ma, D. H.; Kim, D.; Akisawa, T.; Lee, K.-H.; Kim, K.-T.; Ahn, K. H.
Chem. Asian J. 2015, 10, 894–902.

Toward a Selective, Sensitive, Fast-Responsive, and Biocompatible Two-Photon Probe for Hydrogen Sulfide in Live Cells
Singha, S.; Kim, D.; Moon, H.; Wang, T.; Kim, K. H.; Shin, Y. H.; Jung, J.; Seo, E.; Lee, S.-J.; Ahn, K. H.
Anal. Chem. 2015, 87, 1188–1195.

Synthesis of Benzocoumarins and Characterization of Their Photophysical Properties
Kim, D.; Xuan, Q. P.; Moon, H.; Jun, Y. W.; Ahn, K. H.
Asian J. Org. Chem. 2014, 3 , 1089–1096.

Molecular-Shape-Dependent Luminescent Behavior of Dye Aggregates: Bent versus Linear Benzocoumarins
Moon, H.; Xuan, Q. P.; Kim, D.; Kim, Y.; Park, J. W.; Lee, C. H.; Kim, H.-J.; Kawamata, A.; Park, S. Y.; Ahn, K. H.
Cryst. Growth Des. 2014, 14, 6613–6619.

Fluorescent Probes for Analysis and Imaging of Monoamine Oxidase Activity
Kim, Dokyoung; Jun, Yong Woong; Ahn, K. H.
B. Korean Chem. Soc. 2014, 35, 1269–1274.

Recent Development of Two-Photon Fluorescent Probes for Bioimaging
Kim, D.; Ryu, H. G.; Ahn, K. H.
Org. Biomol. Chem. 2014, 12, 4550–4566.

Ground-State Elevation Approach To Suppress Side Reactions in Gold-Sensing Systems Based on Alkyne Activation
Seo, H.; Jun, M. E.; Ranganathan, K.; Lee, K.-H.; Kim, K.-T.; Lim, W.; Rhee, Y. M.; Ahn, K. H.
Org. Lett. 2014, 16, 1374–1377.

Turn-On Fluorescence Detection of Apoptotic Cells Using a Zinc(II)-Dipicolylamine-Functionalized Poly(Diacetylene) Liposome
Cho, Y.-S.; Kim, K. M.; Lee, D.; Kim, W. J.; Ahn, K. H.
Chem. Asian J. 2013, 8, 755–759.

A Novel Method Using an Acedan-Based Zn(DPA) Probe to Monitor ATP Localization in an in Vivo System
Lee, S. J.; Rao, A. S.; Shin, Y. H.; Chung, H.-J.; Huh, Y.; Ahn, K. H.; Jung, J.
J Mol. Hist. 2012, 44, 241–247.

Molecular Interactions between Charged Macromolecules: Colorimetric Detection and Quantification of Heparin with a Polydiacetylene Liposome
Cho, Y.-S.; Ahn, K. H.
J. Mater. Chem. B, 2013, 1, 1182.

Two-Photon Probes Based on Arylsulfonyl Azides: Fluorescence Detection and Imaging of Biothiols
Singha, S.; Kim, D.; Rao, A. S.; Wang, T.; Kim, K. H.; Lee, K.-H.; Kim, K.-T.; Ahn, K. H.
Dyes Pigm. 2013, 99, 308–315.

Studies on Acedan-Based Mononuclear Zinc Complexes toward Selective Fluorescent Probes for Pyrophosphate
Rao, A. S.; Singha, S.; Choi, W.; Ahn, K. H.
Org. Biomol. Chem. 2012, 10, 8410.

In Vivo Two-Photon Fluorescent Imaging of Fluoride with a Desilylation-Based Reactive Probe
Kim, D.; Singha, S.; Wang, T.; Seo, E.; Lee, J. H.; Lee, S.-J.; Kim, K. H.; Ahn, K. H.
Chem. Commun. 2012, 48, 10243.

A Reaction-Based Sensing Scheme for Gold Species: Introduction of a (2-Ethynyl)Benzoate Reactive Moiety
Seo, H.; Jun, M. E.; Egorova, O. A.; Lee, K.-H.; Kim, K.-T.; Ahn, K. H.
Org. Lett. 2012, 14, 5062–5065.

Synthesis of π-Extended Coumarins and Evaluation of Their Precursors as Reactive Fluorescent Probes for Mercury Ions
Kim, I.; Kim, D.; Sambasivan, S.; Ahn, K. H.
Asian J. Org. Chem. 2012, 1, 60–64.

Reaction-Based Two-Photon Probes for in Vitro Analysis and Cellular Imaging of Monoamine Oxidase Activity
Kim, D.; Sambasivan, S.; Nam, H.; Hean Kim, K.; Yong Kim, J.; Joo, T.; Lee, K.-H.; Kim, K.-T.; Ahn, K. H.
Chem. Commun. 2012, 48, 6833-6835.

Dramatic Substituent Effects on the Photoluminescence of Boron Complexes of 2-(Benzothiazol-2-Yl)Phenols
Santra, M.; Moon, H.; Park, M.-H.; Lee, T.-W.; Kim, Y. K.; Ahn, K. H.
Chem. Eur. J. 2012, 18, 9886–9893.

A BODIPY-Based Reactive Probe for Ratiometric Fluorescence Sensing of Mercury Ions
Kim, D.; Yamamoto, K.; Ahn, K. H.
Tetrahedron, 2012, 68, 5279–5282.

A Turn-on Two-Photon Fluorescent Probe for ATP and ADP
A. S. Rao, A.; Kim, D.; Nam, H.; Jo, H.; Kim, K. H.; Ban, C.; Ahn, K. H.
Chem. Commun. 2012, 48, 3206-3208.

Reaction-Based Two-Photon Probes for Mercury Ions: Fluorescence Imaging with Dual Optical Windows
Rao, A. S.; Kim, D.; Wang, T.; Kim, K. H.; Hwang, S.; Ahn, K. H.
Org. Lett. 2012, 14, 2598–2601.

Stromal Cell Derived Factor-1 (SDF-1) Targeting Reperfusion Reduces Myocardial Infarction in Isolated Rat Hearts
Jang, Y.-H.; Kim, J.-H.; Ban, C.; Ahn, K. H.; Cheong, J.-H.; Kim, H.-H.; Kim, J.-S.; Park, Y.-H.; Kim, J.; Chun, K.-J.; Lee, G.-H.; Kim, M.; Kim, C.; Xu, Z.
Cardiovascular Therapeutics 2011, 30, 264–272.

Free Radical Polymerization Initiated and Controlled by Visible Light Photocatalysis at Ambient Temperature
Zhang, G.; Song, I. Y.; Ahn, K. H.; Park, T.; Choi, W. Zhang, G.; Song, I. Y.; Ahn, K. H.; Park, T.; Choi, W.
Macromolecules, 2011, 44, 7594–7599.

Nanoparticle-Based Indicator-Displacement Assay for Pyrophosphate
Oh, D. J.; Kim, K. M.; Ahn, K. H.
Chem. Asian J. 2011, 6, 2034–2039.

Competition Assay of Thymidine Phosphates with a (Zn2+-Cyclen)-Lumazine Ensemble
Kim, Kyung-Mi; Oh, Dong-Ju; Ahn, K. H.
B Korean Chem. Soc. 2011, 32, 3133–3136.

A “Reactive” Ratiometric Fluorescent Probe for Mercury Species
Santra, M.; Roy, B.; Ahn, K. H.
Org. Lett. 2011, 13, 3422–3425.

Characterization of Vinylgold Intermediates: Gold-Mediated Cyclization of Acetylenic Amides
Egorova, O. A.; Seo, H.; Kim, Y.; Moon, D.; Rhee, Y. M.; Ahn, K. H.
Angew. Chem. Int. Ed. 2011, 50, 11446–11450.
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Zinc(II)-Dipicolylamine-Functionalized Polydiacetylene-Liposome Microarray: A Selective and Sensitive Sensing Platform for Pyrophosphate Ions
Kim, K. M.; Oh, D. J.; Ahn, K. H.
Chem. Asian J. 2010, 6, 122–127.

“Turn-on” Fluorescent Sensing with “Reactive” Probes.
Jun, M. E.; Roy, B.; Ahn, K. H.
Chem. Commun. 2011, 47, 7583.
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Mononuclear Zn(Ii)- and Cu(Ii)-Complexes of a Hydroxynaphthalene-Derived Dipicolylamine: Fluorescent Sensing Behaviours toward Pyrophosphate Ions
Roy, B.; Rao, A. S.; Ahn, K. H.
Org. Biomol. Chem. 2011, 9, 7774-7779.