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Phosphatidylserine:An overview on functionality,processing techniques,patents,and prospects

Grain & Oil Science and Technology 2023年第4期6卷 206-218页

作者： Jingnan Chen Jun Li Haoyu Xu Jiaxi Li Yonghong Yuan Xuebing Xu Yanlan Bi College of Food Science and Engineering Henan University of TechnologyZhengzhou 450001China Wilmar(Shanghai)Biotechnology Research and Development Center Co. Ltd.Shanghai 200137China Enzymecode Biotechnology Co. Ltd.Binhai New DistrictTianjin 300457China

Phosphatidylserine(PS)is the part of cell structure in the body and has many beneficial functions especially in brain-related aging *** daily foods can provide PS to human body,the amount is very limited due to its poverty in most *** overcome the issue,numerous studies based on PS have been reported to develop PS-related *** this review,PS was comprehensively and critically reviewed from the view of resources,functions,processing techniques,patents,and *** resources,animal,plant,and microorganism origins were all covered with their differences in composition *** functions,benefits regarding memory,cognitive enhancement,exercise performance,reducing Alzheimer’s disease,and attention-deficit hyperactivity disorder symptoms were covered as well as the functional differences among animal-,plant-,and microorganism-based PS-related *** processing techniques,traditional extracting methods from animal,plant,and microorganism tissues were comparatively discussed with enzymatic synthesis based on different reaction ***,patents of PS-related supplements were evaluated as well as their *** review could provide scientific and valuable support for PS industry.

关键词： Phosphatidylserine Functionality processing techniques Patents evaluation Prospects

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Research progress of heterogeneous structure magnesium alloys:A review

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Journal of Magnesium and Alloys 2024年第6期12卷 2147-2181页

作者： Xiang Chen Junlei Zhang Min Wang Weizhang Wang Di Zhao Haiming Huang Qi Zhao Xiaofei Xu Hongxia Zhang Guangsheng Huang Hubei Longzhong Laboratory Wuhan University of Technology Xiangyang Demonstration ZoneXiangyang 441000China College of Materials Science and Engineering Hubei University of Automotive TechnologyShiyan 442002China College of Materials Science and Engineering Kunming University of Science and TechnologyKunming 650093China Hubei Key Laboratory of Energy Storage and Power Battery(Hubei University of Automotive Technology) Shiyan 442002China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China School of Mechanical Engineering Suzhou University of Science and TechnologySuzhou 215009China

In recent years,a new class of metallic materials featuring heterogeneous structures has *** materials consist of distinct soft and hard domains with significant differences in mechanical properties,allowing them to maintain high strength while offering superior ***(Mg)alloys,renowned for their low density,high specific strength,exceptional vibration damping,and electromagnetic shielding properties,exhibit tremendous potential as lightweight and functional *** their advantageous properties,high-strength Mg alloys often suffer from limited ***,the emergence of heterogeneous materials provides a fresh perspective for the development of Mg alloys with both high strength and *** article provided a fundamental overview of heterostructured materials and systematically reviewed the recent research progress in the design of Mg alloys with strength-ductility balance based on heterostructure *** review encompassed various aspects,including preparation methods,formation mechanisms of diverse heterostructures,and mechanical properties,both within domestic and international *** this basis,the article discussed the challenges encountered in the design and fabrication of heterostructured Mg alloys,as well as the urgent issues that require attention and resolution in the future.

关键词： Mg alloys Heterogeneous structure processing techniques Strength and ductility Hetero-deformation induced stress Strain gradient

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processingtechniquesANDCHARACTERIZATIONOFCERAMICFIBERREINFORCEDALUMINIUMCOMPOSITES

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Transactions of Nanjing University of Aeronautics and Astronautics 1996年第1期13卷 9-14页

作者： Won Jong Choi Lu Ho Choi Department of Materials Engineering,Hankuk Aviation UniversityKoyang,Kyunggi do,Korea

This paper relates to the fabrication of aluminium matrix composites with various amounts of Al 2O 3 fiber and SiC whiskers by rheocasting, powder metallurgy process and liquid metal infiltration process. To analyze wetting characteristics, the cross sections of composites are examined by scanning electron microscopy(SEM). The bending tests and microhardness tests are performed to evaluate mechanical properties of composites. The results show that the composites produced by liquid metal infiltration give better properties than those produced by rheocasting or powder metallurgy process, primarily due to the decrease of porosity and reinforcement cluster. For liquid metal infiltration composites, a good adhesion between the fiber and matrix is found. Three points bending test results show that there is an increase in flexural modulus with reinforcement contents. In addition, a series of microhardness tests are conducted to determine the effect of heat treatment on the mechanical property of Al 2O 3/Al composites.

关键词： composite materials metal matrix composites reinforced metal composite processing techniques

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