Research Highlight

  1. Temperature-dependent dynamics of water in aqueous NaPF6 solution

    Sungnam Park
    Phys. Chem. Chem. Phys., 2014, 16, 21747-21754
    Dynamics of water in bulk and ionic hydration shells in aqueous ionic solutions are different because of the local environments. However, direct measurements of the dynamics of water in ionic hydration shells apart from those of bulk water a...
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  2. Diamine-functionalized metal–organic framework: exceptionally high CO2 capacities from ambient air and flue gas, ultrafast CO2 uptake rate, and adsorption mechanism

    Chang Seop Hong
    Energy Environ. Sci., 2014, 7, 744–751
    A framework en-Mg2(dobpdc) (1-en; en = ethylenediamine) functionalized with the primary amine en was prepared via postmodification. From synchrotron PXRD data, it is revealed that the cell parameters change upon grafting of en and CO2 uptake...
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  3. pH-Dependent Proton Conducting Behavior in a Metal–Organic Framework Material

    Chang Seop Hong
    Angew. Chem. Int. Ed. 2014, 53, 8383 –8387
    A porous metal–organic framework (MOF), [Ni2(dobdc)(H2O)2]⋅6 H2O (Ni2(dobdc) or Ni-MOF-74; dobdc4−=2,5-dioxido-1,4-benzenedicarboxylate) with hexagonal channels was synthesized using a microwave-assisted solvothermal reaction. Soaking Ni2(do...
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  4. Template-Guided Solution-Shearing Method for Enhanced Charge Carrier Mobility in Diketopyrrolopyrrole-Based Polymer Field-Effect Transistors

    Dong Hoon Choi
    Adv. Mater. 2014, 26, 6031–6035
    Template-guided solution-shearing (TGSS) is used to fabricate field-effect transistors (FETs) composed of micropatterned prisms as active channels. The prisms comprise highly crystalline PTDPP-DTTE, in which diketopyrrolopyrrole (DPP) is fla...
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  5. Mitochondrial Induced and Self-Monitored Intrinsic Apoptosis by Antitumor Theranostic Prodrug: In Vivo Imaging and Precise Cancer Treatment

    Jong Seung Kim
    J. Am. Chem. Soc. 2014, 136, 17836−17843
    Activation of apoptosis, the cell death machinery, in tumor cells by organelle-specific delivery of antitumor theranostic agent is the utmost challenge in cancer therapy. Herein, we developed a highly efficient mitochondria-targeting antitum...
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  6. Two-Color Probe to Monitor a Wide Range of pH Values in Cells

    Jong Seung Kim
    Angew. Chem. Int. Ed. 2013, 52, 6206-6209
    Abstract High-tech pH paper : A “chameleon” pH probe composed of rhodamine (red, see scheme) and fluorescein (green) units emits at wavelengths of 580 nm and 512 nm, where the intensities show a contrary response to pH changes. Confocal micr...
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  7. A Self-Calibrating Bipartite Viscosity Sensor for Mitochondria

    Jong Seung Kim
    J. Am. Chem. Soc. 2013, 135, 9181−9185
    Abstract High-tech pH paper : A self-calibrating bipartite viscosity sensor 1 for cellular mitochondria, composed of coumarin and boron-dipyrromethene (BODIPY) with a rigid phenyl spacer and a mitochondria-targeting unit, was synthesized. Th...
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  8. Folate-Based Near-Infrared Fluorescent Theranostic Gemcitabine Delivery

    Jong Seung Kim
    J. Am. Chem. Soc. 2013, 135, 11657-11662
    Abstract A series of heptamethine cyanine (1−3) derivatives bearing a carbamate ethyl disulfide group and gemcitabine, an anticancer drug, have been newly synthesized. Their disulfide bonds are readily cleaved by various thiols including glu...
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  9. An Activatable Theranostic for Targeted Cancer Therapy and Imaging

    Jong Seung Kim
    Journal : Angew. Chem. Int. Ed. 2014, 53, 4469 – 4474
    Abstract A new theranostic strategy is described. It is based on the use of an “all in one” prodrug, namely the biotinylated piperazine-rhodol conjugate 4 a. This conjugate, which incorporates the anticancer drug SN-38, undergoes se...
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  10. Toward a Chemical Marker for Inflammatory Disease: A Fluorescent Probe for Membrane-Localized

    Jong Seung Kim
    J. Am. Chem. Soc. 2014, 136, 8430 – 8437
    Abstract Thioredoxin (Trx) is a redox-active protein that plays a key role in mitigating the effects of oxidative stress. The secretion of Trx on the plasma membrane has been suggested as a distinctive feature of inflammation. Howev...
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