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GA₃, Kinetin 및 물리적 처리가 초피나무 종자의 발아에 미치는 영향
김세종(Se Jong Kim),신종희(Jong Hee Shin),김기재(Ki Jae Kim),박소득(So Deug Park),최부술(Boo Sull Choi),김길웅(Kil Ung Kim) 한국약용작물학회 1997 한국약용작물학회지 Vol.5 No.1
This study was conducted to improve germination ratio of Zanthoxylum piperitum A. P. DC. Seeds. Stratification for 60 days after scarification of seed with sand was germination percentage to 5. 4% and GA₃ 50ppm for 24 hrs after scarification of seed with sand showed 8. 9%. Soaking the seeds in GA₃ 50ppm for 24 hrs after 40 to 70℃ hot water treatment for 10 minutes showed low germination of 4. 4%. Based on H2SO4, NaOH and HNO3 treatments, germination percentage did not improve at all regardless of soaking time. The highest germination of 91. 1% was observed when seed was soaked in GA₃ 100ppm for 48 hrs after stratification for 60 days at 4℃. Kinetin treatment at 50ppm for 24 hrs had the greatest germination percentage of 31. 7% but it did not improve germination ratio compared to GA₃ treatment.
Kim, Kwang-Yon,Han, Woon-Hui,Cho, Ung-In,Lee, Yuan T.,Boo, Doo-Wan Korean Chemical Society 2006 Bulletin of the Korean Chemical Society Vol.27 No.12
The combined ab initio and vibrational predissociation (VP) spectroscopic studies on methylammonium-$(water)_4$ complex aimed at understanding the hydration behavior of an amphiphilic ion core are described. The ab initio calculations predicted eleven low-energy isomers forming cyclic, tripod, chain, and caged structures, and their relative stabilities, total hydration energies and thermodynamic functions at 298 K and 150 K. The excellent correlation between the observed VP spectra and ab initio spectra for bonded N-H, bonded O-H and free O-H stretches suggested co-existence of five cyclic isomers and two non-cyclic isomers in ion beam at 150 K, consistent with the trends of calculated Gibbs free energies.