联羧基

The invention aims at improving the quality of flour to researche a method for preparing new flour modifying agent, namely, the microencapsulation glucose oxidase, chitose-calcium alginate-glucose oxidase microcapsule which is obtained through the method is copolymer hydrogel which is obtained through double cross-linking, both amidogen and carboxyl group are fixed, and the whole system is a reticular formation.

本发明以改善面粉品质为目的，研究一种新型面粉改良剂――微胶囊化葡萄糖氧化酶的制备方法，采用上述方法制得的壳聚糖-海藻酸钙-葡萄糖氧化酶微胶囊，是经双重交联得到的共聚凝胶，氨基和羧基均被固定，整个体系为网状结构。

The property of bipyridyl ligands baring different substitute groups was studied, which indicated that carboxyl group is the best substitute group.

系统研究了联吡啶配体上取代基性质，确认羧基是最优异的吸附基团。

We observed a first-order reaction for Cr under the conditions that the carboxylate groups are in excess.

在羧基浓度过量的情况下，交联反应对Cr浓度的反应级数是1。

The carboxyl groups of HPAM replace the H〓O ligands of AlCA, which results in the formation of HPAM-AlCA gel.

首次用实验证明了：HPAM大分子中与AlCA反应的基团为羧基，酰胺基不参与交联反应。

The conjugation of MMS and Ab (ready for Reagent 1, R1): Chose the 3μm diameter Carboxyl MMS and use the carbodiimide cross-link technique activate the MMS with EDC and NHS in different concentration, then linked mice anti-HBsAg-IgG and mice anti-HCcAg-IgG on them.

磁微粒的活化及其与抗体的连接：选择粒径3μm的羧基化磁微粒，采用碳二亚胺共价交联法，在活化剂EDC与NHS的不同浓度组合条件下活化磁微粒，选择最适的活化剂浓度组合。

The structure of these hydrogels is characterized by pH- and electric field-sensitive moieties, azobenzene cross-linking groups cleavable by cecal bacteria and hydrophobic side-chains which may control the swelling properties of hydrogels by adjusting their lengths.

该凝胶的结构特点是：兼备pH、电场双重敏感的特征基团即羧基；含有可被盲肠菌分解的偶氮苯交联基团；带有可控制凝胶溶胀性能的疏水侧基。

Multi-bioinsecticidal-toxin BtA is a bioconjugation product with multiple acting-sites, formed by biochemical bond-linking reaction between two biotoxins, protoxin of Bacillus thuringiensis and Abamectin, through the amino and carboxyl conjugator EDC. The variation of pest susceptibility to Multi-bioinsecticidal-toxin BtA was evaluated by studying the decline and recovery of susceptibility of Plutella xylostella L.

多位点生物杀虫毒素BtA是通过氨基-羧基偶联剂EDC将两种生物毒素进行键合反应，形成的具有多个作用位点的生物藕合产物。

Three metal ion bridged self-assembled films of cis -di-bis(2,2'-bipyridyl-4,4'-dicarboxylate) ruthenium were fabricated and characterized by contact angle, UV spectra, cyclic voltammetry and XPS. Their photoinduced electron transfer properties were examined.

本文通过三种金属离子桥联的方式制备了一系列cis-RuL22 （L代表4，4'二羧基-2，2'联吡啶）自组装膜，并利用接触角，UV光谱，循环伏安法以及XPS对自组装功能膜进行了表征。

The carboxyl of the tripodal ligand is a goodbridging group. The building blocks are linked together by the bridging group andother weak interactions (hydrogen bond and π-π stacking interaction, etc), thusgenerating a one, two or three-dimensional metal complexes.2. Studies on the fluorescence properties of the lanthanide complexes indicated that:(1) The excitations in the ligand-based π-π〓 transitions cause the structuredemission of lanthanide complexes while the ligand luminescence is completelyquenched showing that ligand-to-metal energy transfer occurs.

三脚架配体所带的羧基是一个很好的桥联基团，配合物的结构基元通过这种基团的桥联作用及其它一些弱的作用力(如氢键、π-π堆积作用等)联系起来，构成了一维、二维或三维的超分子空间结构。2、稀土配合物的发光研究发现：(1)用配体的π-π〓跃迁波长进行激发，配合物均显示出稀土离子的特征发射峰，同时，配体的荧光峰没有出现，这说明在三脚架配体与稀土离子间进行了有效的能量传递。

The structures of PAM and its hydrolysate were characterizated with FTIR and ~(1)H NMR.

研究了二醛交联的聚丙烯酰胺及其水解产物对水、肥的吸收及保持能力，结果表明，聚丙烯酰胺水解交联后，部分胺基转化为羧基和羟基。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。