硒化壳聚糖,seleno-chitosan
1)seleno-chitosan硒化壳聚糖
1.Preparation and Characterization of the Seleno-chitosan;硒化壳聚糖的制备及其表征
2.In this paper,the physical and chemical properties of seleno-chitosan prepared by our lab were investigated ,and compared with that of chitosan and sulfonationed chitiosan.运用高效凝胶色谱 (HPGPC)、乌氏粘度计、XYG- 1 1 0型多功能原子荧光仪、常规溶剂和 WZZ- 1自动指示旋光仪等方法对本实验室制备的硒化壳聚糖的理化性质进行测定 ,结果表明 :硒化壳聚糖的分子量为3448;特性粘度为 99;室温干燥放置 1年 ,硒化壳聚糖保持稳定 ;硒化壳聚糖在水中可溶 ,而且溶解度随温度升高而增加 ,但在有机溶剂中基本不溶 ;硒化壳聚糖在 2 5℃时的旋光度为 - 1 4。
3.By determining the reduction capability,the scavenging of 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radicals,the elimination of superoxide anion free radicals and hydroxyl free radicals,the antioxidant activity in vitro of seleno-chitosan was evaluated.以壳聚糖为载体制备了硒化壳聚糖,采用紫外光谱和红外光谱对其结构进行了表征,研究了其体外清除自由基的能力,包括对DPPH自由基、超氧阴离子自由基、羟自由基的清除作用和还原能力。
英文短句/例句

1.Preparations and Characterizations of Eleno-chitosan and Arsenic-chitosan Both in Viro and in Vivo;硒化壳聚糖和砷化壳聚糖的制备、结构及其性质分析
2.Preparation of Seleno-Chitosan and Study on Its Antioxidant Activity in vitro硒化壳聚糖的制备及其体外抗氧化活性研究
3.Effect of selenium chitosan on the proliferation of the in vitro cultured epidermal cell硒化壳聚糖对体外培养表皮细胞增殖的影响
4.Effect of Selenium Chitosan on the Proliferation of Promyelocytic Leukemia Cells Cultured in vitro硒化壳聚糖抑制人早幼粒白血病细胞增殖的研究
5.The Antitumor Effects on Acute Promyelocytic Leukemia NB4 Cells of Selenium Chitosan and Its Possible Mechanisms;硒化壳聚糖对急性早幼粒细胞性白血病NB4细胞的作用及其机制探讨
6.Effect of Chitooligosaccharide-Selenium on Serum Antioxidase Activity and Islet Cells in Hyperglycemic Rats甲壳低聚糖-硒对高血糖大鼠血清抗氧化酶和胰岛细胞的改善作用
7.Effect of Seleno-chitosan on Immune Organ,Apparent Ileal Digestibility and Meat Quality of Broiler Chicks硒复合壳聚糖对肉鸡回肠表观消化率、免疫和肉品质的影响
8.Effect of chitooligosaccharides-selenium on expression of antioxidant enzyme related genes in THP-1 derived macrophages甲壳低聚糖-硒对THP-1源性巨噬细胞抗氧化酶相关基因表达的影响
9.Study on the Synthesis of Selenium-Chitooligosaccharides and the Intervention of Selenium-Chitooligosaccharides on Rat Model of Diabetes Mellitus;甲壳低聚糖硒的合成及其干预实验性糖尿病鼠模型形成的研究
10.Study on Preparation of Chitooligosaccharide by Photocatalysis and Cellulase;光催化和酶法制备低聚壳聚糖的研究
11.Research on the aggregation behavior of N-maleoyl chitosanN-马来酰化壳聚糖聚集行为的研究
12.Enzymatic Characters of Free Xylanase and Immobilized Xylanase,Research on the Immobilized Xylanase with Chitosan-sodium Alginate Microcapsule壳聚糖-海藻酸钠微胶囊固定化木聚糖酶的研究
13.Study on optimal fermentation conditions of a chitosanase-producing bacterium and purification of the chitosanase产壳聚糖酶菌株发酵条件优化及壳聚糖酶的分离纯化研究
14.Immobilization glucoamylase on the Chitosan/Silica Hybrid Membrane壳聚糖/二氧化硅杂化膜固定化糖化酶的研究
15.COMPARISON OF ACTION PATTERN OF CHITINASE AND CHITOSANASE ON PARTIALLY N-ACETYLATED CHITOSAN几丁质酶和壳聚糖酶对部分乙酰化壳聚糖作用方式的比较
16.Antioxidant Activity of Chitosans with Different Molecular Weight(DMW) and Chitosan Sulfates不同分子量壳聚糖和壳聚糖硫酸酯的抗氧化活性
17.Presently the chemical modification of chitosan has been discussed extensively.目前对壳聚糖进行化学改性已经成为壳聚糖开发研究的热点。
18.Studies on Separation and Purification of Chitosan Molecule with Cyclic Ultrafiltration Tandem-Solvating out Crystallization;串联—循环超滤截留壳聚糖分子及溶析法纯化分离壳聚糖的研究
相关短句/例句

Selenium chitosan硒化壳聚糖
1.Effect of selenium chitosan on the proliferation of the in vitro cultured epidermal cell硒化壳聚糖对体外培养表皮细胞增殖的影响
2.To study the cell cycle block and inducing apoptosis effect of selenium chitosan on NB4 cells,the cell cycle block effect and inducing apoptosis effect were observed by using flow cytometry.为研究硒化壳聚糖对NB4细胞的凋亡及周期阻断作用,用流式细胞法观察了药物对细胞的诱导凋亡及周期阻断作用。
3.To investigate the effect of selenium chitosan on the proliferation of promyelocytic leukemia cells cultured in vitro,the inhibiting proliferation effect was measured by SRB and clonal assay;cell phase was observed by using flow cytometry.为探讨硒化壳聚糖对体外培养人早幼粒白血病细胞增殖的抑制作用,用SRB法和集落形成法检测了药物对细胞增殖的抑制作用,流式法检测了细胞周期阻断作用。
3)selenium chiston硒化壳聚糖
1.The effects of selenium chiston on NB4 cells was studied by MTT,AO/EB and NBT reduced methods.应用MTT法、AO/EB荧光染色法和NBT还原法观察硒化壳聚糖对NB4肿瘤细胞株生长的影响。
2.The effects of selenium chiston on proliferation and apoptosis of K562 cells and K562/ADM cells were studied by MTT and CFR methods.应用MTT法和细胞集落形成率法观察了硒化壳聚糖对K562和K562/ADM肿瘤细胞株生长的影响,结果发现硒化壳聚糖可有效地抑制两种K562细胞生长,呈量效关系。
4)selenium[英][s?'li:ni?m][美][s?'lin??m]硒化壳聚糖
1.The effects of selenium on proliferation and apoptosis of K 562 cell were studied by MTT and(AO/EB) methods.用MTT法和AO/EB荧光染色法观察了硒化壳聚糖对K 562肿瘤细胞株生长的影响。
2.The effects of both selenium and ADM on proliferation and apoptosis of K562 cell were studied by NTT and AO/EB methods.应用MTT法和AO/EB荧光染色法观察单独和合用硒化壳聚糖与阿霉素对K5 62细胞株的影响,结果发现硒化壳聚糖和阿霉素均可有效地抑制K5 62细胞生长。
5)chitosan-se壳聚糖硒
1.Study on Synthesis of Chitosan-Se and its Physical and Chemical Property;壳聚糖硒的合成及其理化性质
2.Objective:To study the protection of chitosan-se on lead toxicity in mice.目的:主要研究壳聚糖硒对铅中毒小鼠的保护作用。
6)chitooligosaccharide selenium甲壳低聚糖硒
1.With water soluble chitooligosaccharide and iron(Ⅲ) complexing produce chitooligosaccharide iron(Ⅲ) complex; cooperate with selenium to create chitooligosaccharide selenium complex.以甲壳低聚糖与FeCl3反应络合成甲壳低聚糖铁(Ⅲ),以甲壳低聚糖与亚硒酸反应络合成甲壳低聚糖硒,对2种络合物的稳定性及紫外、红外光谱进行检测。
2.Objective: With water soluble chitooligosaccharide a nd iron (Ⅲ) complexing produce chitooligosaccharide iron (Ⅲ) complex; cooperate with selenium to create chitooligosaccharide selenium complex.目的 :用水溶性甲壳低聚糖与铁 (Ⅲ )络合生成甲壳低聚糖铁 (Ⅲ ) ,与硒络合成甲壳低聚糖硒 ,使其分别成为一种具有较好生物利用度的营养型补铁剂与具有多功能的保健药品。
延伸阅读

壳聚糖膜分子式:CAS号:性质:壳聚糖所制备成有分离功能的膜。壳聚糖可单独在甲酸中制备渗透汽化膜,对乙醇和水有较好的分离性能。为了减少其溶胀性能,也可以用二醛交联成膜,或与其他聚合物如聚乙烯醇、纤维素等共混,或以聚砜、聚丙烯腈为底膜制成壳聚糖复合膜,以改善醇水分离因素。