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Amino acid sensing in the gut and its mediation in gut-brain signal transduction

Animal Nutrition 2016年第2期2卷 69-73页

作者： Jing Liu Kaifan Yu Weiyun Zhu Laboratory of Gastrointestinal Microbiology Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health College of Animal Science and TechnologyNanjing Agricultural University

Animal gastrointestinal tract is not only a digestive organ, but also a nutrient sensing organ which detects luminal nutrient and thus can regulate food intake. There are many amino acid sensing receptors and transporters in the gut. Amino acids sensing by these receptors and transporters can stimulate the intestinal endocrine cells to release a variety of gut hormones. These hormones trigger a series of physiological effects via the nerve system. This review summarized the recent advance on the amino acid sensing receptors and transporters in the gastrointestinal tract, the gut hormones released from the intestinal endocrine cells and the hormones-induced signal transduction between the gut and brain. A better understanding of these processes may help to gain further insight into the specific role of amino acids in digestion and provide guidelines in developing strategy for the better use of amino acids in the diet.

关键词： Amino acid sensing Gut hormones Sensing receptor Amino acid transporter Gut-brain signaling

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医用增材制造——从前沿技术到产品研发

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Engineering 2020年第11期6卷 31-41页

作者：邱贵兴丁文江田伟秦岭赵宇张联盟吕坚陈代杰袁广银吴成铁卢秉恒杜如虚陈继明 Mo Elbestawi 顾忠伟李涤尘孙伟赵远锦赫捷金大地刘斌张凯李鉴墨 Kam W.Leong 赵德伟郝定均敖英芳邓旭亮杨惠林徐少克陈英奇李龙樊建平聂国辉陈芸曾晖陈玮赖毓霄 Department of Orthopedics Peking Union Medical College Hospital Chinese Academy of Medical Science & Peking Union Medical College National Engineering Research center of Light Alloys Net Forming & State Key Laboratory of Metal Matrix Composite Shanghai Jiao Tong University National Engineering Research center of Mg Materials and Applications and School of Materials Science & Engineering Shanghai Jiao Tong University Department of Spine Surgery Beijing Jishuitan Hospital center for Translational Medicine Research and Development Institute of Biomedical and Health Engineering Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Guangdong Engineering Laboratory of Biomaterials Additive Manufacturing State Key Laboratory of Advanced Technology for Materials Synthesis and processing Wuhan University of Technology center for Advanced Structural Materials City University of Hong Kong Shenzhen Research Institute Hong Kong Branch of National Precious Metals Material Engineering Research center Department of Material Science and Engineering City University of Hong Kong Department of Mechanical Engineering City University of Hong Kong School of Pharmacy Shanghai Jiao Tong University China State Institute of Pharmaceutical Industry Shanghai Institute of Pharmaceutical Industry State Key Laboratory of High-Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences center of Materials Science and Optoelectronics Engineering University of the Chinese Academy of Sciences Micro- and Nano-Technology Research center State Key Laboratory for Manufacturing Systems Engineering Xi’an Jiaotong University Shien-Ming Wu School of Intelligent Engineering Guangzhou International Campus South China University of Technology Beijing Engineering Research center of 3D Printing for Digital Medical Health Beijing University of Technology Beijing Engineering Research center of Laser Technology Beijing University of Technology Key Laboratory of Trans-Scale Las

1.医用增材制造原料的研发和挑战医用增材制造的原料与其他多个领域使用的原料具有广泛通用性,这是构成三维(3D)打印领域的重要基础。这些领域的增材制造在材料类型、粉体特性、成型性和黏弹性等方面面临着相同的问题和挑战。例如,航空...

1.医用增材制造原料的研发和挑战医用增材制造的原料与其他多个领域使用的原料具有广泛通用性,这是构成三维(3D)打印领域的重要基础。这些领域的增材制造在材料类型、粉体特性、成型性和黏弹性等方面面临着相同的问题和挑战。例如,航空领域采用了多种金属材料,而生物医学领域会使用金属、聚合物和无机材料。在生物医学领域,

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Classification of weed seeds based on visual images and deep learning

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农业信息处理(英文) 2023年第1期10卷 40-51页

作者： Tongyun Luo Jianye Zhao Yujuan Gu Shuo Zhang Xi Qiao Wen Tian Yangchun Han College of Mechanical and Electronic Engineering Northwest A&F UniversityYangling 712100PR China Shenzhen Branch Guangdong Laboratory of Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120PR China Qingdao China-Agri IOT Science&Technology Co.Ltd. Qingdao 266106PR China Guangzhou Customs Districk Technology center Guangzhou 510623PR China Jiangyin Customs Jiangyin 214400PR China

Weeds are mainly spread by weed seeds being mixed with agricultural and forestry crop seeds,grain,animal hair,and other plant products,and disturb the growing environment of target plants such as crops and wild native *** accurate and efficient classification of weed seeds is important for the effective management and control of ***,classification remains mainly dependent on destructive sampling-based manual inspection,which has a high cost and rather low *** considered that this problem could be solved using a nondestructive intelligent image recognition ***,on the basis of the establishment of the image acquisition system for weed seeds,images of single weed seeds were rapidly and completely segmented,and a total of 47696 samples of 140 species of weed seeds and foreign materials ***,six popular and novel deep Convolutional Neural Network(CNN)models are compared to identify the best method for intelligently identifying 140 species of weed *** these samples,33600 samples are randomly selected as the training dataset for model training,and the remaining 14096 samples are used as the testing dataset for model *** and GoogLeNet emerged from the quantitative evaluation as the best *** has strong classification accuracy and efficiency(low time consumption),and GoogLeNet has the best classification accuracy.A suitable CNN model for weed seed classification could be selected according to specific identification accuracy requirements and time costs of *** research is beneficial for developing a detection system for weed seeds in various *** resolution of taxonomic issues and problems associated with the identi-fication of these weed seeds may allow for more effective management and control.

关键词： Seed identification Image acquisition system Multi-object classification Convolutional neural network Computer vision

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Mussel meat protein: Extraction, processing, nutrition value, and application in food products

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Food and Health 2023年第4期5卷 29-45页

作者： Wan-Wen Chen Xue-Yan Ma Wu Jin Hai-Bo Wen Hao Cheng Wuxi Fisheries College Nanjing Agricultural UniversityWuxi 214081China. Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization Ministry of Agriculture and Rural AffairsFreshwater Fisheries Research CenterChinese Academy of Fishery SciencesWuxi 214081China State Key Laboratory of Food Science and Resources Jiangnan UniversityWuxiJiangsu 214122China School of Food Science and Technology Jiangnan UniversityWuxiJiangsu 214122China.

The rapidly increasing global population has resulted in an increased demand for proteins in the human *** mussel meat protein is an affordable,abundant,sustainable,and environmentally friendly source of proteins suitable for human *** review described the composition and characteristics of mussel meat proteins,as well as methods for sufficiently isolating and extracting these *** non-thermal processing technologies including high-pressure homogenization and ultrasonication are introduced for the mussel meat protein modification,and the impact of these processing treatments on the structure and functional properties of mussel meat proteins is also ***,the production of bioactive peptides with various kinds of biological activities from mussel meat proteins is ***,industrial and commercial applications of mussel meat proteins and their derived bioactive peptides in food formulations are *** research findings demonstrated that homogenization and ultrasonication treatments could induce the change in protein conformation and significantly improve the functionality of mussel meat *** hydrolysis and fermentation are effective approaches to produce bioactive peptides with multiple biological activities from *** meat proteins exhibit considerable nutritional and functional values compared to other widely used protein ***,mussel meat protein could be used as a sustainable alternative protein resource in food applications.

关键词： Mussel meat proteins Extraction Modification Functionality Peptides Biological activity

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