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Chen Wenfu,Su Zenjin,Qian Taiyong,Zhang Longbu,Joo Yeul Lee 韓國作物學會 1995 Korean journal of crop science Vol.40 No.2
유형이 다른 품종들간에 기공밀도와 기체확산저항의 차이와 광합성 속도에 미치는 영향 등을 비교 검토한 바 일반적으로 Indica 품종의 기공밀도가 Japonica 품종보다 컸으나 기체확산은 작았다. Indica 품종과 Japonica 품종간의 교잡을 통하여 육성한 품종들의 기공밀도와 기체확산 저항은 중간가를 나타냈다. 기공밀도와 기체확산저항 광합성 속도 간에는 현저한 정의 상관을 보였지만 특수엽중과는 현저한 질의 상관을 보였고, 단엽면적과의 상관관계는 현저하지 않았다. Indica 품종과 Japonica품종간의 교잡을 통하여 Indica 품종의 기공밀도가 크고 기체확산저항이 낮은 특성과 Japonica 품종의 특수 엽중이 큰 특성을 결합할 수 있다면 광합성 속도를 더욱 높일 수 있으리라 추측된다. Studies were made on differences among types and varieties of rice in stomatal density and gas diffusion resistance, and on the relationship between these traits and photosynthetic rate. Significant differences among types and varieties were found stomatal density and gas diffusion resistance. Generally, stomatal density was higher in indica varieties than in Japonica varieties, gas diffusion resistance was lower in the former than in the later, in varieties developed through indica-japonica hybridization it was intermadiate. The stomatal density was closely positively correlated with the gas conductivity and the net photosynthetic rate, was not correlated with single leaf area, and had significant negative correlation with specific leaf weight. Higher photosynthetic rate of indica varieties mainly results from its high stomatal density and low gas diffusion resistance. The result also suggested that high photosynthetic rate might be obtained if the high stomatal density and low gas diffusion resistance in indica could be combined with the larger specific leaf weight in japonica through crossing between two.
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Sun-Wung Hsieh,Jui-Cheng Chen,Nai-Ching Chen,Kai-Ming Jhang,Wenfu Wang,Yuan-Han Yang 대한정신약물학회 2021 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.19 No.3
Objective: The purpose of this study is to investigate the safety, tolerability and efficacy of titrating dose of rivastigmine oral solution in patients with mild to moderate Alzheimer’s disease (AD) in Taiwan. Methods: We recruited 108 mild to moderate AD patients with RivastⓇ (rivastigmine oral solution 2 mg/ml) treatment for 52 weeks. We recorded the demographic characteristics, initial cognition by mini-mental state examination (MMSE), initial global status by clinical dementia rating (CDR) with CDR-Sum of Boxes (CDR-SB), initial dose, and titrating dose at each visit. We investigated the adherence, proportion of possible side effects, optimal dose, and time to optimal dose. We demonstrated the proportion of cognitive decline and its possible risk factors. Results: During the course, 9 patients discontinued the rivastigmine oral solution due to poor compliance or preference. Twelve out of 99 patients (12.1%) reported possible side effects. Among 87 patients, the mean age was 77.2 ± 9.0 years ago with female predominant (65.2%). The optimal dose was 3.6 ± 1.4 ml in average and 4 ml (n = 31, 35.6%) in mode. The duration to optimal dose was 12.5 ± 10.2 weeks and 24 weeks (n = 35, 40.2%) in mode. It presented 25% with cognitive decline in MMSE, 27% with global function decline in CDR and 63% with global function decline in CDR-SB. Conclusion: We demonstrated the clinical experience of rivastigmine oral solution in mild to moderate AD patients. It suggested rivastigmine oral solution 4ml is the optimal dose with 24 weeks to the optimal dose for at least one third of patients.
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Regulatory Role of SFN Gene in Hepatocellular Carcinoma and Its Mechanism
Ying Hui,Hao Zeng,Yi Feng,Wenzhou Qin,Peisheng Chen,Lifang Huang,Wenfu Zhong,Liwen Lin,Hui Lv,Xue Qin 한국생물공학회 2021 Biotechnology and Bioprocess Engineering Vol.26 No.3
Purpose: This study aims to explore the differential expression of SFN gene and its regulatory role in different hepatocarcinoma cells, and the impact on hepatocarcinoma. Materials and Methods: High and low SFN expression cells were screened by qRT-PCR and western blotting methods. SFN over expression and interference vectors were constructed. Cell viability was detected by CCK8 kit, cell cycle and apoptosis were detected by flow cytometry. Cell invasion and migration were detected. CCNB1 and CDK1 expression levels were detected by qRT-PCR and Western blotting methods. Results: The high SFN expression BEL7402 cells and the low SFN expression Hep3B cells were screened from Hep3B, HepG2, and BEL7402 cells. The activity of Hep3B cells overexpression vector SFNpcDNA3.1(+) decreased and apoptosis increased, the ratio of G0/G1 decreased and the ratio of S phase increased. The activity of BEL7402 cells transfected with SFN siRNA decreased and apoptosis increased, the ratio of G0/G1 decreased and the ratio of G2/M increased. Interference and overexpression vectors have little effect on the invasion and migration of the two cells. The expression of CDK1 in Hep3B cells decreased significantly, the expression of CDK1 and CCNB1 in BEL7402 cells increased significantly. Conclusions: The differentially expressed SFN gene can regulate the growth of the two hepatocarcinoma cells, high expression of SFN gene can inhibit their growth. The mechanism may be achieved by regulating CCNB1 and CDK1 expression.
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WEN FU,CHUNNIAN CHEN 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2012 NANO Vol.7 No.4
The composites of graphene oxide/Fe2O3-nanotubes (GO/Fe2O3-NTs) have been fabricated through a facile one-step hydrothermal method. Fe2O3-NTs crystallines were homogeneously distributed on GO, which have been con¯rmed by transmission electron microscopy analysis (TEM). The structure, composition and electrochemical properties of GO/Fe2O3-NTs composites were investigated by means of selective-area electron di®raction (SAED), Fourier transform infrared spectroscopy (FT-IR), X-ray di®raction (XRD), Raman spectra, cyclic voltammogram (CV) curves and galvanostatic charge?discharge curves. GO/Fe2O3-NTs composites exhibit a high speci¯c capacitance of 133.2 Fg?1 in 1M Li2SO4 electrolyte. In addition, the GO/Fe2O3-NTs composites electrode shows good long-term cycle stability (only 9% decrease of the speci¯c capacitance is observed after 1000 charge?discharge cycles).
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