Preparation of Dialdehyde Starch and Improvement Thermal Stability of Collagen 双醛淀粉的制备及其提高胶原的热稳定性研究
A waterborne multicolor paint is prepared by chitosan in acetic acid solution, mixing with short fiber and crosslinked by glutaric dialdehyde. 甲壳糖醋酸水溶液为成膜剂,掺入短纤维后用戊二醛交联得到多彩涂料。
Determination of glutaric dialdehyde was improved, in which acidity measurer instead of indicator indicated titration end point. 对戊二醛测定方法进行改进,采用酸度计判定终点的方法代替用肉眼观察指示剂变色来判定终点。
Role of Fluctuated Glucose on the Production of Maleic Dialdehyde and Antioxidant in Human Umbilical Vein Endothelial Cell Cultured in Vitro 葡萄糖浓度波动对体外人脐静脉内皮细胞丙二醛及抗氧化因子合成的影响
The condition of adsorbing gelatine by dialdehyde cellulose was investigated, and the adsorption product was analyzed with FT-IR spectrometry and thermogravimetry. 对双醛纤维素吸附明胶的各种条件、吸附产物的红外吸收和热重热解曲线图进行了研究。
Spectrophotometric method was used to detect the contents of maleic dialdehyde ( MDA) and glutathione ( GSH) and the enzyme activity of alanine aminotransferase ( ALT) in the liver. 采用分光光度法测定小鼠肝组织的丙二醛(MDA)、谷光甘肽(GSH)的含量以及谷丙转氨酶(ALT)的活性;
The mechanism of reaction between PVA and dialdehyde starch was discussed and the factors on reaction were investigated also. 以碱性品红-亚硫酸为显色剂,用分光光度法对双醛淀粉含量的测定条件、灵敏度、回收率进行研究。
Using sodium periodate limitedly oxidizing cloth fiber, the local surface of cloth forms dialdehyde cellulose and offer active sites for introducing chitosan on cloth. 采用高碘酸钠对棉布纤维进行有限氧化,在棉布表面局部形成了双醛纤维素,为引入壳聚糖提供了活性部位。
Discussions were made on optimal conditions for condensation reaction between dialdehyde starch ( DAS) and PVA to form DAS-PVA glue. 将双醛淀粉(DAS)与聚乙烯醇(PVA)进行缩合反应,探讨了DAS-PVA胶粘剂合成的最佳条件。
Objective To study the changes of superoxide dismutase ( SOD) activity and malonic dialdehyde content ( MDA) in plasma of ocean sailors. 目的观察中国远洋船员血浆超氧化物歧化酶(SOD)和丙二醛(MDA)含量的改变。
On the one hand, the cost of dialdehyde starch is high. 一方面,是由于双醛淀粉的生产成本高;
Dialdehyde starch has found broad potential applications in various industries. 在国内,双醛淀粉几乎没有生产和应用;
The paper introduced the improved sterilization and stability of valeric dialdehyde preparation when added with strengthening agent B.The effect of pH value to the preparation was also discussed. 介绍了戊二醛制剂中加入强化剂B后,加强了它的杀菌效果和稳定性,以及pH值对戊二醛制剂的影响情况。
Preparation of PVAc emulsion adhesive modified by dialdehyde starch 双醛淀粉改性聚醋酸乙烯酯乳液胶粘剂的制备
The study of interaction of dialdehyde starch and gelatin shown that the order of the cross-linking efficiency was: glutaraldehyde> dialdehyde starch> glyoxal. 双醛淀粉与明胶相互作用的研究表明:乙二醛、戊二醛和双醛淀粉的交联效率:戊二醛>双醛淀粉>乙二醛。
Study on Reactive Aldehydes Group Content in Dialdehyde Starch 双醛淀粉中有反应活性醛基含量的研究
The factors that affected the content of dialdehyde in dialdehyde starch included reaction time, reaction temperature, concentrations of sodium periodate, reaction pH, and the ratio of sodium periodate to starch. 影响双醛淀粉的双醛含量的因素有反应时间、反应温度、高碘酸钠浓度、反应pH值及高碘酸钠与淀粉的摩尔比。
Dialdehyde starch is a important chemical material for it has low toxicity, high chemical reactivity and extensive applications in all sorts of industry, but in China research and production of dialdehyde starch are belong to developing step. 双醛淀粉毒性低,化学活性高,广泛用于各种工业,是一种很重要化工原料,但我国对双醛淀粉开发和生产还处于起步阶段。
Objective Observes 2% content peracetic Acid solution, 0.2% content peracetic Acid soulution, 0.2% content glutaric dialdehyde to experimental animal and staff's skin whether has the stimulant quality or not. 目的观察2%含量的过氧乙酸、0.2%含量的过氧乙酸、0.2%含量的次氯酸钠和2%含量的戊二醛溶液,对实验动物和工作人员皮肤是否有刺激性。
Glutaric dialdehyde was used as cross-linking agent for coupling enzyme to pebrine spore antibody protein. 用戊二醛简易法将辣根过氧化物酶与抗体蛋白交联,制成酶联免疫抗体。
Study on rheological property of dialdehyde starch 双醛淀粉流变性的研究
The Properties of Dialdehyde Starch and Its Effect to Increase Wet Strength 双醛淀粉的性质及其提高纸湿强度的效果
At present, a common used method is oxidation of starch to dialdehyde starch in the presence of sodium periodate. 目前,最常用的手段是用高碘酸钠氧化淀粉为双醛淀粉。
Therefore, dialdehyde starch was used as crosslinker in starch films in this text. 因此本文用双醛淀粉作为交联剂对淀粉膜进行交联。
The study of dialdehyde starch preparation indicated that reaction temperature and pH were main factors on the impact of aldehyde content. 其主要结果如下:1、研究了双醛淀粉的制备条件,反应温度和pH值是影响产物醛基含量的主要因素。
Dialdehyde starch is a kind of great potential and broad promising bio-based chemicals. 双醛淀粉(DAS)是一种极具应用潜力和发展前途的生物基化工产品。
We prepared amino-starch using Dialdehyde starch as raw materials, and studied preparation conditions of amino starch. 采用双醛淀粉作为原料制备氨基淀粉,并研究了氨基淀粉的制备条件。