Publications by authors named "Jihui Byeon"
A new ultra-hydrophilic elastic sponge composite has been proposed. Medicinal herbs, commonly used in herbal medicine and subsequently discarded, are rich in natural polymer substances, making them promising candidates for various material industries. TEMPO-oxidized cellulose was extracted from medicinal herb residue, and the physicochemical properties of an ultra-hydrophilic elastic sponge, prepared through a PVA and CA impregnate cross-linking process, were investigated.
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- - Benzoic acid (BA) is a common inhibitor that causes plant autotoxicity in closed hydroponic systems, and this study explored ways to reduce its negative effects through oxidation treatments with different concentrations of ozone (O) and hydrogen peroxide (HO).
- - While ozone treatment alone slightly improved BA degradation (up to 14.1%) without effectively reducing germination or root growth inhibition, the combined O/HO treatment significantly enhanced BA degradation (up to 24.8%) and reduced growth inhibition rates considerably.
- - The study identified the optimal treatment condition as the O/HO combination with specific concentrations (BA 1-8), which not only achieved the highest mineralization of BA but also showed reasonable operating costs for
An efficient method for organic acetylation and use of DL-phosphinothricin as a negative selection agent in argE transgenic rice.
Biochem Biophys Res Commun
November 2013
We present an efficient method for the production of N-acetyl-L-phosphinothricin (N-AcPt) from commercial DL-phosphinothricin (DL-PPT) by organic acetylation for use as a negative selection agent (NSA) that induces cell death in argE transgenic rice. DL-PPT was efficiently converted into N-AcPt with tetrahydrofuran (THF) and acetic anhydride (Ac2O). Chemical changes were confirmed using NMR and ATR-FTIR analyses.
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