查询词典 hydrogel

Secondly, according to the construction and characteristic of the N-isopropylacrylamide and the temperature-sensitivity of PNIPA hydrogel, Pdualistic hydrogel was synthesized by microwave low temperature plasma. The effects of the factors on the swelling characteristic of P dualistic hydrogel, such as treatment time and power of plasma, concentrations of crosslinking agent and total monomers, proportion of AMPS, polymerizing temperature etc, was discussed in detail. The three dimensions structure , thermostability , reversional volume , swelling/deswelling kinetics, temperature-sensitivity and pH-sensitivity of the hydrogel were also investigated. The optimal synthesizing technics of P dualistic hydrogel initiated by microwave low temperature plasma was confirmed.

在此基础上，结合NIPA的结构特征和PNIPA的温敏性，用微波低温等离子体引发聚合了P二元智能凝胶，详细探讨了微波低温等离子体处理功率、处理时间、总单体浓度、AMPS单体浓度、交联剂浓度及聚合反应溫度等因素对P二元凝胶溶胀性能的影响；并对其三维交联结构、热稳定性、失水-吸水动力学、温度敏感性、pH敏感性、体积复原性等进行了研究；确定了适合微波低温等离子体引发聚合P二元智能凝胶的最佳工艺。

SEM result showed that the sample had uniform phase distribution and smooth surface at dried state as well as interpenetrate network structure at hydrogel state. It was seen from the swell ing behavior curves that groups T1, T2 and T3 swelled rapidly within 10-30 minutes, and formed elastic composite hydrogel pipes. In addition, the expanding ratio of inner and outer diameter of the tube was 20%-30% and 100%-120% with swell ing, respectively. The equil ibrium water content of the hydrogel pipes increased with increase of collagen composition. Three groups of samples were immerged in PBS solution contained 2 mg/mL lysozyme at 37 for 1 month, their nozzle cracked, their wall became thin and more transparent. And also, there was small floc deposited on the tube surface.

扫描电镜观察到液氮脆断的人工泪小管内部成分分布均匀，内外壁表面平整，冷冻干燥的人工泪小管断口呈凝胶态的互穿网络结构。3 组不同成分的人工泪小管在PBS 溶液中浸泡30 min 后均快速吸水溶胀，外径扩大100%～ 120%，内径扩大20%～ 30%，并且随胶原含量增高，溶胀速度增快，平衡溶胀率增大。3 组人工泪小管在37℃含2 mg/mL 溶菌酶的PBS 液中浸泡1 个月后，表面有部分细小絮状物，管口开裂，管壁变薄，透明度增加。

Results 86 cases of polyacrylamide hydrogel were injectable implant in the treatment of non-organic change. 32 cases only because of psychological pressure,and urgent requirement for seeking out hydrogel,Were treated using suction liposuction methods.Induration significantly complicated and tough for using semi Central areolar incision under half,pumping out water gel thoroughly Abstract induration.Hydrogel into pectoralis major,who may armpit transverse incision after augmentation.

结果：86例聚丙烯酰胺水凝胶注射式隆乳术后的就诊者中，对无明显器质性改变，仅因心理压力过大而迫切要求取出水凝胶的32例求术者，采用脂肪抽吸式方法抽吸；对于并发硬结明显大而硬者，采用乳晕下1/2半环切开，抽吸水凝胶彻底摘出硬结；水凝胶注入胸大肌内、后间隙者可采用腋下横切口，分离胸大肌将乳腺后间隙水凝胶向胸大肌下间隙挤出抽吸到清亮液体后，同期放入假体于胸大肌后间隙。

In this study, Polyurethane/hydrogel composites were fabricated for wound repair applications. The hydrogel was copolymer of thermosensitive N-isopropyl acrylamide and acrylic acid.γ-ray irradiation was employed to copolymerize NIPAAm with AAc and to graft hydrogel onto porous PU simultaneously.

本研究以聚胺基甲酸酯为基材，将感温性异丙基丙烯醯胺（N-isopropyl acrylamide， NIPAAm）和丙烯酸（Acrylic acid， AAc）以γ-ray照射聚合法进行聚合，并同时将水胶接枝在多孔PU上，制备出PU/水胶复材之人工敷料，应用於伤口修复。

A new antibody releasing system has been developed by covalently attachingIgG to the biodegradable hyaluronic acid hydrogel via the hydrolyticallyunstable hydrazone linkage, aiming to deliver the antibody of CNS regenerationinhibitors to the injured brain. Furthermore, pH sensitive linkage-hydrozone has beenformed between hydrogel and antibody.

这一将该材料植入成年缺损大鼠的大脑皮层后，该材料具有良好的神经相容性，能够抑制胶质瘢痕的形成，并能诱导神经胶质细胞的迁移进入材料，为轴突的再生提供良好的生物为环境，促进神经轴突长入将改性后的水凝胶。

In this project, the properties of hydrogel were investigated by optical techniques, and the applications of hydrogel in optical devices and systems were explored.

中文摘要：本项目研究用光学手段研究智能凝胶的特性，并研究智能凝胶在光学器件及系统中的应用。

Poly(N-isopropylacrylamide-co-2-hydroxyethyl methacrylate)/clay hydrogel was copolymerized with NIPA and HEMA cross-linked by clay to form a new kind of nanocomposite hydrogel P(NIPA-co-HEMA)/clay was obtained.

以无机粘土为交联剂制备了具有温度、pH双重敏感性的聚(N-异丙基丙烯酰胺-co-甲基丙烯酸-β-羟乙酯)/粘土纳米复合水凝胶P(NIPA-co-HEMA/clay，并用红外和X衍射对其结构和形态进行了表征。

Cytotoxicity experiment: In the leaching liquid of γ- poly-glutamic acid hydrogel, the L929 cells were with good shape and grew adherently. MTT experiment demonstrated that the toxicity of the leaching liquid of γ-poly-glutamic acid hydrogel was 0 or 1 degree.

细胞毒性实验结果：L929细胞在γ-多聚谷氨酸水凝胶浸提液中形态正常；MTT检测表明γ-多聚谷氨酸水凝胶浸提液组毒性为0级或1级。

The characteristics of the AP include (1) in addition to the formation of hydrogel in aqueous alkaline or polar organic solution, AP can form carbonaceous hydrogel in neutral and acidic aqueous solutions, which extents the application of carbonaceous sol-gel;(2) AP contains a large amount of nitric groups which decomposes quickly by thermal initiation, releasing a large amount of gases and heat, indicating explosive properties of the AP;(3) metal salt-containing AP is also explosible by thermal initiation, and the metal in AP promotes the explosion.

以沥青为碳源，用氧化法制备水性沥青过程中，浓硫酸和浓硝酸的比例、用量、氧化温度及氧化时间对水性沥青的收率皆有影响。经过氧化后，沥青上含有许多含氧官能团，导致水性沥青溶于水。含氧官能团越多，水性沥青越易溶于水。调节制备条件，可使水性沥青不仅可以在碱性水溶液中形成凝胶，而且可以在中性和酸性水溶液中形成溶胶、凝胶，从而拓宽了炭基溶胶—凝胶法制备炭基纳米材料的应用范围。

Optimized the preparation of chitosan hydrogel technological conditions, and the result indicated that: the hydrogel with best quality can be gotten, with the chitosan quantity 1 g, the formaldehydevolume 0.2 mL, the gelatination temperature 50℃.

通过试验优化制备壳聚糖水凝胶的工艺条件，试验结果表明：当壳聚糖量为1 g，甲醛体积为0.2 mL，凝胶化温度为50℃时，制备得到的水凝胶质量优良。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切