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RISS 인기검색어
- 검색키워드
- 저자 : Xinglin Guo (검색결과 3 건)
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Xinglin Du,Xiaochen Hou,Yiqiao Guo,Dong Jiang 한국섬유공학회 2021 Fibers and polymers Vol.22 No.3
In this study, cellulose acetate (CA)/poly-(γ-glutamic acid) (γ-PGA)/TiO2 fibrous membrane were prepared byelectrospinning. The wettability of the fibrous membrane was studied by using water contact angle measurements. Scanningelectron and thermogravimetric analyses were carried out to determine the microstructure of the fibers and the thermalstability of the membrane. A study was conducted on the corn seedlings grew of the CA/γ-PGA/TiO2 fibrous membranebasedagricultural film in soil at room temperature. Maize plant height, leaf area and SPAD (Soil and plant analyzerdevelopment) were investigated when covered with a CA/γ-PGA fibrous membrane and a CA/γ-PGA/TiO2 fibrousmembrane. In a simultaneous fashion, water absorption and degradation rate were also studied. Our study highlights thepotential use of these fibrous membranes for mulching film applications. The fibrous membrane may also find potentialapplication in food packing materials, facial masks and antimicrobial films of wound dressing.
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Wan Meng,권오형,강인규,현재영,Xinglin Guo,조얼령 한국생체재료학회 2002 생체재료학회지 Vol.6 No.2
A-B-A type block copolymers were prepared by the polymerization of (-benzyloxycarbonyl L-lysine N-carboxyanhydride) (A segment) using amino-terminated polyoxypropylene (POP, B segment) as an initiator. The morphology of the block copolymers showed POP domains dispersed in the poly(-benzyloxycarbonyl L-lysine) (PBCL) matrix. Water contact angles of films of the block copolymer were almost same as that of the surface of PBCL film. Upon acid treatment of the block copolymer films, water contact angles decreased. Thrombus formation on block copolymer films was minimum for a POP content of 29 mol%. Identical results were obtained from a blood clotting test. The number of platelets adhered to the bulk and the surface-modified block copolymers was almost equal. However, serotonins were less released from the platelets adhered on the PL-2 block copolymer and surface-modified block copolymers (MPL-1, MPL-2, MPL-3).
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Dissecting the meteorological and genetic factors affecting rice grain quality in Northeast China
Chen Mojun,Li Zhao,Huang Jie,Yan Yongfeng,Wu Tao,Bian Mingdi,Zhou Jinsong,Wang Yongjun,Lyv Yanjie,Hu Guanghui,Jin Yong-Mei,Huang Kai,Guo Liping,Jiang Wenzhu,Du Xinglin 한국유전학회 2021 Genes & Genomics Vol.43 No.8
Background The Northeast Plain of China, which is an important region for the production of high grain quality rice in China. However, the grain quality of the rice produced varies across this region, even for the same cultivar. Objective In order to explore the meteorological factors that have the greatest infuence on quality and the transcriptional level diferences between diferent cultivars and diferent locations at grain flling stage. Methods We grew eight rice cultivars in three locations in Northeast China during two growing seasons (2017 and 2018). We recorded meteorological conditions, including air temperature, air temperature range, and photosynthetically active radiation (PAR) during the grain-flling stage of each cultivar, and analyzed the grain quality of those eight cultivars. Results Across all eight cultivars, meteorological factors had a stronger efect on eating quality than genotype, while genotype had a stronger efect on milling quality. Of the three environmental factors assessed, PAR was signifcantly correlated with the most grain quality traits. Using RNA-sequencing analysis, we identifed 573 environment-specifc DEGs (Diferentially Expressed Genes), and 119 genotype-specifc DEGs; 11 DEGs were responsive to genotype×environment interactions. These DEGs were involved in many key metabolic processes. Conclusion Our results indicated that interactions among environmental factors, especially PAR, afected rice quality in Northeast China. Further analyses of the DEGs identifed herein may provide useful information for future breeding programs aiming to develop high grain quality rice varieties suitable for cultivation across Northeast China.
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