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Ying Hou,Fengping Wang,Zhilei Tan,Jiandong Cui,Shiru Jia 한국화학공학회 2020 Korean Journal of Chemical Engineering Vol.37 No.3
ε-Poly-L-lysine (ε-PL) is a natural antimicrobial cationic peptide. Antimicrobial activity of ε-PL is closely related to its molecular weight (Mw). However, the antimicrobial mechanisms of ε-PL with different Mws are still vague. In this study, Saccharomyces cerevisiae was used as the model system to analyze the mechanism from these three aspects: cell wall, cell membrane, and metabolism. The results showed that high-Mw ε-PL (1-3 kDa and >3 kDa) and commercial ε-PL product caused cell wall lesions, and significantly improved cell membrane permeability compared to low-Mw ε-PL (<1 kDa), resulting in leaking of the protoplasm through the pores and cell death. Furthermore, metabolomics analysis showed that high-Mw ε-PL (1-3 kDa and >3 kDa) and product displayed higher inhibition effect on the glycolysis pathway and tricarboxylic cycle than that of low-Mw ε-PL (<1 kDa).
Ying Xue,Richard Phillips,Hou-min Chang,Hasan Jameel 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.2
One challenge in making bioethanol production economical is to increase total solids in hydrolysis system while maintaining sugar conversion efficiency. Because the removal of excess water from hydrolysate requires enormous amounts of heat, large volume of reaction towers and high capital expenditure (CAPEX) for equipment, a lengthy operating time, and high operating costs. When solids loading in hydrolysis system increased from 5% to 20% with no mixing strategies, final sugar conversion decreased markedly. If cellulase is mixed with pulp at 5% solids and pressed to 20% solids, then 80% of the cellulase retained in the pulp thinned down the pulp mixture in 2 h. This thinning effect enabled additional cellulase, xylanase, and b-glucosidase to be mixed into the slurry. Sugar concentration was significantly improved; from 26 g/L to 121 g/L, while sugar conversion was remained as enzymatic hydrolysis with 5% total solids enzymatic hydrolysis. A US patent has been granted to NCSU for this concept and licenses have been granted to various companies.
Anguo Ying,Zhifeng Li,Yuxiang Ni,Songlin Xu,Hailiang Hou,Huanan Hu 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.24 No.-
Four novel multiple-acidic ionic liquids based on triethanolamine (TEA) were prepared and used as efficient catalysts to synthesize bis-indolylmethanes at room temperature without any organic solvent. [TEOA][HSO4] showed the best catalytic performance. The optimal amount of catalyst was 10 mol%. Various aldehydes/ketones reacted with indole/substituted indole smoothly and afforded to corresponding products in 70–99% yields within minutes. Additionally, the ionic liquid could be reused up to five times with only a slight decrease in catalytic activity. Finally, a possible reaction mechanism was given. Techniques of acidity test and NMR were introduced to verify the proposed mechanism.
Review on Silkworm (Bombyx mori)Sex Control in China
An-Ying Xu,Mu-Wang Li,Ping-Jiang Sun,Yue-Hua Zhang,Cheng-Xiang Hou 한국잠사학회 2004 International Journal of Industrial Entomology Vol.8 No.2
Normally, silkworms, Bombyx mori, generate offspring by sexual activity. As we known, the hybrids of the first generation of the silkworm have higher cocoon production than pure lines. During the sericulture production, many processes are related with sex control. For example, sex sorting in the egg grainages, rearing of only male silkworm to save the mulberry leaf consumption and increase silk output and quality. Therefore it is very interested in understanding the sex control of the silkworm in theory and practice. Chinese sericultural scientists have been being engaged in the researches in the fields of artificifial parthogenesis, dispermic androgenesis, sex-limited varieties, sex linkage balanced lethal strain and high temperature sensitive male stocks for several decades and gained substantial achievement. Some of the achievements have been used in the commercial production. In this review, the authors introduced that the methods for control of the silkworm sex, and regulate the silkworm sex ratio according to different producing aim in the world and especially in China.
배영순(Ying-Shun Pei),맹해양(Hai-Yang Meng),후사사(Sha-Sha Hou),배기형(Ki-Hyung Bae) 한국콘텐츠학회 2018 한국콘텐츠학회논문지 Vol.18 No.3
본 논문은 한, 중, 일 3국의 애니메이션 산업을 비교분석하여 중국 애니메이션산업의 현황과 문제점을 파악하고 중국 애니메이션산업의 해외 시장 수출 증대 방안을 찾는 목적을 둔다. 이런 목적을 실현하기 위해서 애니메이션의 개념과 특징 등 이론적 배경을 살펴보고 나서, 문헌연구 방법으로 한, 일, 중국 애니메이션산업의 논문 서적을 통해서 문헌자료의 정리 및 사례의 분석을 바탕으로 중국 애니메이션의 수출 증대방안을 제시하였다. 수출 증대 방안 내용으로는 첫째, 애니메이션 작품의 이익을 최대로 얻을 수 있고 파생작품을 다각적으로 생길 수 있기 위해서 산업 사슬을 개선해야 한다. 둘째, 애니메이션 산업의 전문 인력을 양성해야 한다. 셋째, 정부 측면에서는 애니메이션산업에 관한 법 및 제도를 보완해야 한다. 먼저 애니메이션산업과 제작자 보호를 위해서는 정부가 적극적인 자금과 정책으로 지지해야 하고 외국과의 정부의 합작관련 법규를 완화하고 적극적인 개방 정책이 필요하다. 넷째, 중국문화역사에 맞게 국제시장에서도 받아들일 수 있는 독특한 캐릭터를 개발할 필요가 있다. 다섯째, 홈페이지와 모바일 매체 등을 활용한 중국 애니메이션의 적극적인 홍보가 필요하다. 여섯째, 국제 교류를 강화하여 국제 공동제작으로 해외시장에 수출될 것이다. A Comparative Study on the Korean animation industry and 3 of this paper is a matter of Korea, China, Chinese animation industry and the Current Status and Problem of Chinese animation business in overseas markets. Aimed to find ways to expand exports. In order to realize this purpose with theoretical backgrounds, such as animation concept and characteristics of the research literature, look at ways a paper from an animation industry, work, China. Chinese animation development plan based on the bibliographic data and case study based on books. First, by government in terms of development measures and supplement the system and a law on the animation industry. First of all animation industry and producers To help protect the government is to become an active policy must be supported with funds and animation to ease the relevant laws and regulations and joint venture with foreign countries. Pursuing an active policy is needed. Second, an animated feature can get the full benefit of the industrial chain to and create derivative works as a multilateral needs to be improved. Third, the animation expertise to build human resources need to be nurtured. Fourth, in order to cater to overseas markets in China will create various types of Chinese traditional culture based on the animation is important. Fifth, and a mobile home page to get in. Sixth, will be easily exported to overseas markets to the creation of joint international exchange and international.
Ke Hou,Guo-ying Li 보안공학연구지원센터 2016 International Journal of Database Theory and Appli Vol.9 No.9
According to the teaching and reform practice experience of database course for economics and management major, the paper makes a comparative analysis of the database courses of the universities in china and foreign, in terms of textbook, teaching content, teaching method, homework form, examination method and so on. In this paper, some new ideas about system and content of database course based on the “big course” and “big task” are put forward, and some improvements on teaching method have been discussed.