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Efficient Synthesis of sugar alcohols over a Synergistic and Sustainable Catalyst

Chinese Journal of Chemistry 2021年第9期39卷 2467-2476页

作者： Liangqing Zhang Jiarong Qiu Xing Tang Yong Sun Xianhai Zeng Lu Lin School of Advanced Manufacturing Fuzhou UniversityJinjiangFujian 362251China College of Energy Xiamen UniversityXiamenFujian 361102China Fujian Engineering and Research Center of Clean and High-valued Technologies for Biomass Xiamen Key Laboratory of High-valued Conversion Technology of Agricultural BiomassXiamen UniversityXiamenFujian 361102China

A series of catalysts were prepared for sugar alcohols production to overcome the deficiencies of the previous reported catalysts,such as low yield of sugar alcohols,single functi on,in stability,and con troversial role of active *** role of each metal and their syn ergistic-cooperati on was discussed in detail with a combi nation of conditional experiments and characterizati *** results indicated that bifunctional *** catalyst has unique structure with superparamagnetism and excellent ***(111)and(200)planes of metallic Ni are the hydrogenation active phases and preferentially exposed on Ni-Al-O_(x) *** desired arabitol or mannitol was obtained by tuning the ratio of Bronsted and Lewis acid *** recycling tests indicated that the unique structure of the prepared Ni-based catalyst can suppress leaching and poisoning,which has high textural stability and activity.

关键词： Biomass Heterogeneous catalysis Magnetic properties Br0nsted to Lewis acids sugar alcohols

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Diverse Functional Roles of Monosaccharide Transporters and their Homologs in Vascular Plants： A Physiological Perspective

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Molecular Plant 2011年第4期4卷 641-662页

作者： Thomas L. Slewinski Department of Plant Biology Cornell University 262 Plant Science Building Ithaca NY 14853 USA

Vascular plants contain two gene families that encode monosaccharide transporter proteins. The classical monosaccharide transporter（-like） gene superfamily is large and functionally diverse, while the recently identified SWEET transporter family is smaller and, thus far, only found to transport glucose. These transporters play essential roles at many levels, ranging from organelles to the whole plant. Many family members are essential for cellular homeostasis and reproductive success. Although most transporters do not directly participate in long-distance transport, their indirect roles greatly impact carbon allocation and transport flux to the heterotrophic tissues of the plant. Functional characterization of some members from both gene families has revealed their diverse roles in carbohydrate partitioning, phloem function, resource allocation, plant defense, and sugar signaling. This review highlights the broad impacts and implications of monosaccharide transport by describing some of the functional roles of the monosaccharide transporter（-like） superfamily and the SWEET transporter family.

关键词： Monosaccharide transporters sugar transport membrane transport hexoses sugar alcohols carbohydrate partitioning.

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Recyclable Cu Salt-Derived Brønsted Acids for Hydrolytic Hydrogenation of Cellulose on Ru Catalyst

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CCS Chemistry 2022年第9期4卷 3162-3169页

作者： Yue Liu Linxiao Chen Wei Zhang Haichao Liu Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871

Brønsted acid-catalyzed hydrolysis of cellulose,the most abundant source of biomass in nature,is the critical step for its depolymerization and subsequent conversion to sugar alcohols and other important *** acids are... 详细信息

关键词： cellulose recyclable Brønsted acids hydrolysis sugar alcohols sorbitol insoluble copper salt

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