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Hyun Sun Cho

Researcher at Seoul National University

Publications -  52
Citations -  5455

Hyun Sun Cho is an academic researcher from Seoul National University. The author has contributed to research in topics: Porphyrin & Excited state. The author has an hindex of 21, co-authored 49 publications receiving 4903 citations. Previous affiliations of Hyun Sun Cho include Yonsei University & Nippon Steel.

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Characterization of a New Metallo-β-Lactamase Gene, blaNDM-1, and a Novel Erythromycin Esterase Gene Carried on a Unique Genetic Structure in Klebsiella pneumoniae Sequence Type 14 from India

TL;DR: A Swedish patient of Indian origin traveled to New Delhi, India, and acquired a urinary tract infection caused by a carbapenem-resistant Klebsiella pneumoniae strain that typed to the sequence type 14 complex, showing broad resistance carried on these plasmids.
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Twenty-Eight-Day Oral Toxicity, Genotoxicity, and Gender-Related Tissue Distribution of Silver Nanoparticles in Sprague-Dawley Rats

TL;DR: The present results suggest that silver nanoparticles do not induce genetic toxicity in male and female rat bone marrow in vivo, and the tissue distribution of silver nanopaticles did show a dose-dependent accumulation of silver content in all the tissues examined.

Characterization of a new metallo-beta-lactamase gene, bla(NDM-1), and a novel erythromycin esterase gene carried on a unique genetic structure in Klebsiella pneumoniae sequence type 14 from India

TL;DR: In this paper, a Swedish patient of Indian origin traveled to New Delhi, India, and acquired a urinary tract infection caused by a carbapenem-resistant Klebsiella pneumoniae strain that typed to the sequence type 14 complex.
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Photophysical properties of long rodlike meso-meso-linked zinc(II) porphyrins investigated by time-resolved laser spectroscopic methods.

TL;DR: The fluorescence excitation anisotropy spectra of the porphyrin arrays show that the photoexcitation of the high-energy Soret bands are characteristic of the summation of the individual monomeric transitions with its overall dipole moment deviated from the array chain direction, while the low-energySoret bands result from the exciton splitting between the monomersic transition dipoles in line with the array Chain direction.
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Photophysical properties of porphyrin tapes.

TL;DR: Conclusively, these unique photophysical properties of the porphyrin tapes have aroused much interest in the fundamental photophysics of large flat organic molecules as well as in the possible applications as electric wires, IR sensors, and nonlinear optical materials.