Jong-Man Park

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The new dialkylated pentathiophene based copolymer was synthesized by Suzuki coupling reaction. The PD5TADF is synthesized and used as an active material for organic thin film transistor (OTFTs). The copolymer has good solubility in common organic solvent such as toluene, tetrahydrofuran (THF), chloroform, chlorobenzene and dichlorobenzene. The number(More)
Objective. The present study determined if vitamin D deficiency is a potential risk factor for increased carotid intima-media thickness (CIMT) in patients with rheumatoid arthritis (RA). Methods. This cross-sectional study analyzed 50 consecutive female RA patients without cardiovascular disease history at the Pusan National University Hospital between(More)
New poly(silole-fluorene) copolymers were designed and synthesized. Copolymers were obtained by Suzuki coupling reaction with different ratio of fluorene and silole. The obtained copolymers were characterized by the spectroscopic methods such as FT-IR and 1H-NMR spectroscopies. The resulting copolymers were soluble in common organic solvents such as(More)
A new poly(octathiophene) based copolymer was designed and synthesized by the palladium catalyzed Suzuki coupling reaction. The structure of the newly obtained copolymer was confirmed by 1H-NMR and IR. The number-average molecular weight (M(n)) of the polymer was 36,000 with a poly-dispersity index of 1.15. The polymer has good solubility in common solvents(More)
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