Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Jeong-Hyon Ha"'
Publikováno v:
Journal of Analytical Science and Technology, Vol 2, Iss 2, Pp 69-74 (2011)
Luminescence lifetimes of anion complexes of manganese(III) porphyrins incorporated in the PVC polymer film were investigated by the time-correlated single photon counting (TCSPC) method. The tripquintet state lifetimes (tens of picoseconds) which ha
Externí odkaz:
https://doaj.org/article/800d9255b58b40f3860612a0b9b60136
Autor:
Jeong-Hyon Ha, Hye Jong Kang
Publikováno v:
Journal of Analytical Science and Technology, Vol 2, Iss 1, Pp 42-45 (2010)
We measured thermally originated solid phase nonlinear optical properties of manganese porphyrin-incorporated PVC polymer film using CW low-power Z-scan and optical power limiting methods. The nonlinear refractive index (n2) of this porphyrin film is
Externí odkaz:
https://doaj.org/article/6a02cd5b59fe4777b4534d8c75a4165c
Autor:
Jong Min Lim, Kwanghee Park, Saptarsi Mondal, Jooyoun Kang, Minhaeng Cho, Jeong Hyon Ha, Kyungwon Kwak
Publikováno v:
The journal of physical chemistry letters. 12(38)
The role of water in the excellent biocompatibility of the acrylate-based polymers widely used for antibiofouling coating material has been realized previously. Here, we report femtosecond mid-infrared pump-probe spectroscopy of the OD stretch band o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fadaa36b2711a67a77cd0daa764c10f
https://pubmed.ncbi.nlm.nih.gov/34534434
https://pubmed.ncbi.nlm.nih.gov/34534434
Autor:
Jeong Hyon Ha
Publikováno v:
Chemical Physics Letters. 764:138274
IR spectra of concentrated perchlorate aqueous ionic solutions were analysed using chemical exchange model with Fokker-Planck equation incorporating spectral diffusion bath mode. This spectral diffusion bath mode was further modelled using two kinds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71d6142928726653022587a74e93b46c
https://doi.org/10.1016/j.cplett.2020.138274
https://doi.org/10.1016/j.cplett.2020.138274
Publikováno v:
Journal of the American Chemical Society. 138:16081-16088
Polyethylene glycol (PEG) is a unique polymer material with enormous applicability in many industrial and scientific fields. Here, its use as macromolecular crowder to mimic the cellular environment in vitro is the focus of the present study. We show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c0e4cd942327d762ee0932abab8b27e
https://doi.org/10.1021/jacs.6b10164
https://doi.org/10.1021/jacs.6b10164
Autor:
Mondal, Saptarsi, Jooyoun Kang, Kwanghee Park, Jong Min Lim, Jeong-Hyon Ha, Kyungwon Kwak, Minhaeng Cho
Publikováno v:
Journal of Physical Chemistry Letters; 9/30/2021, Vol. 12 Issue 38, p9275-9282, 8p
Autor:
Jeong Hyon Ha
Publikováno v:
Chemical Physics Letters. 739:136968
Inhomogeneities in the IR site energies of carbon monoxide (CO) and its coupling to a metal continuum and subsequent interactions with metal were observed with ATR depth profiling using IR lineshape analysis with the general Fano model. After adsorpt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9da6301ec4b36780dab14006e2b47e9a
https://doi.org/10.1016/j.cplett.2019.136968
https://doi.org/10.1016/j.cplett.2019.136968
Publikováno v:
Rapid Communication in Photoscience. 4:54-58
Under the condition of femtosecond impulsive nonlinear optical irradiation, the bright and narrowed blue emission of silicon nanocrystal was observed. This synthetic method produced very small (~ 4 nm) oxide-capped silicon nanocrystal having probably
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11bb05b2d632b964084ddcdfba1e103e
https://doi.org/10.5857/rcp.2015.4.3.54
https://doi.org/10.5857/rcp.2015.4.3.54
Publikováno v:
The journal of physical chemistry. A. 121(7)
A critical difference between living and nonliving is the existence of cell membranes, and hydration of membrane surface is a prerequisite for structural stability and various functions such as absorption/desorption of drugs, proteins, and ions. Ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf05fc75065f6381e6177c99c77a845d
https://pubmed.ncbi.nlm.nih.gov/28132510
https://pubmed.ncbi.nlm.nih.gov/28132510
Autor:
Jeong Hyon Ha
Publikováno v:
Chemical Physics Letters. 735:136772
Perchlorate IR lineshapes in ionic solutions, polymeric membrane, and perchlorate coordinated onto manganese(III) porphyrin were investigated using various model systems. The lineshape of perchlorate ligand is very sensitive to the nanoscopic aqueous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28264e246fafb04242726e6a03ef7e86
https://doi.org/10.1016/j.cplett.2019.136772
https://doi.org/10.1016/j.cplett.2019.136772