水凝胶

When chymotrypsin was immobilized inthe gels, the stability of the immobilized enzyme is much raised when compared withthe free enzyme.

当把糜蛋白酶固定到这些水凝胶中时，与自由酶比较，固定化酶的稳定性有了很大提高，而且由于水凝胶的温度敏感特性，酶的活力在30℃和4O℃表现为"开"或"关"。

A new dualistic intelligent hydrogel which responded to temperature and pH value of environment,Phydrogel,was introduced and synthesized from NIPA and AMPS by means of the pre-radiation of Microwave plasma.

研究表明，微波等离子体预辐射引发聚合制备的P二元智能凝胶具有高的吸水倍数、很好的温度敏感性和pH敏感性，是综合性能优秀的智能水凝胶。

The plasticization of the material is affected by the non-freezing water in hydrogel rather than by the freezing water.

研究结果发现不同状态的水在凝胶中的含量既与吸水官能团的性质和数量有关，又与聚合物链的交联度有关，交联度增大，水凝胶的平衡含水量降低。

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 results indicate the membrane prepared in pure water coagulation bath exhibits fingerlike structure, with an increase of the volume fraction of ethanol in coagulation bath leads to a reduction of fingerlike cavities, and in ethanol/water coagulation bath of φ=40% exhibits spongelike structure; the melting points of the fingerlike and spongelike membrane increase by 3.9℃ and 3.5℃ compared to that of raw material respectively, and the crystallinity of the two type membranes increases by 16.1% and 13.5% respectively.

结果表明纯水凝胶浴中所成膜为指状多孔膜，随着凝胶浴乙醇体积分数的增加，膜指状大孔逐渐消失，在φ=40%的乙醇／水凝胶浴中转变为海绵状多孔膜；指状多孔膜和海绵状多孔膜熔点相对于原料分别提高了3.9℃和3.5℃，而结晶度相对于原料分别提高了16.1%和13.5%。

The results indicate the membrane prepared in pure water coagulation bath exhibits fingerlike structure,with an increase of the volume fraction of ethanol in coagulation bath leads to a reduction of fingerlike cavities,and in ethanol/water coagulation bath of φ=40% exhibits spon...

结果表明纯水凝胶浴中所成膜为指状多孔膜，随着凝胶浴乙醇体积分数的增加，膜指状大孔逐渐消失，在φ=40%的乙醇/水凝胶浴中转变为海绵状多孔膜；指状多孔膜和海绵状多孔膜熔点相对于原料分别提高了3.9℃和3.5℃，而结晶度相对于原料分别提高了16.1%和13.5%。

DSC determination of PSA hydrogel revealed that content of the noncrystallizable water was 2. 13g/g dry resin.

对水凝胶的DSC测试得出聚丙烯酸钠水凝胶中每克干树脂中含2.13克非冻结水。

Several physical and chemical properties, such as pH, refractive index,heavy metal content, infrared spectrum, heat stability and residual acrylamide, were determined for medical-use polyacrylamide hydrogel samples.

医用聚丙烯酰胺是以丙烯酰胺为原料合成的，具有广泛用途的水溶性高分子，PAM水凝胶主要用于人体软组织填充[1，2 ] ，也可用于医药软膏、药膜和药物载体。医用PAM水凝胶的主要理化性能包括外观、pH值、折射率、重金属含量、红外光谱、化学热稳定性和丙烯酰胺单体残留量。

The aim of this work is to synthesise a series of sensitive hydrogels, to study the structure of the network and to determine the phase-equilibrum curves of gels, then to build new molecular-themodynamic model and to describe phase behaviour of sensitive hydrogels.

本论文是在合成一系列敏感性水凝胶的基础上，通过对网络结构的研究和凝胶相平衡的曲线的测定，试图建立新的凝胶分子热力学模型，并预测其相行为。

Hydrogels can respond to the environmental changes by recognizing and then self-working under slight stimulation of physical and chemical environment,such as temperature,pH degree,ionic strength,electric field,magnetic field,light,pressure,etc. So it is called "smart gel","soft mechanism".

水凝胶对于环境微小的物理化学刺激，如温度、pH值、离子强度、电场、磁场、光、压力等能够通过感知和自身作功来响应外界环境变化，因此水凝胶具有&智能凝胶&、&软性机械&之称。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。