棒状体

目的构建弓形虫棒状体蛋白2（ROP2）基因重组质粒。

Objective To construct a recombinant plasmid containing rhoptry protein 2 ( ROP2 ) gene of Toxoplasma gondii .

弓形虫棒状体蛋白1（ROP1）是与虫体侵入相关的重要分子。

Rhoptry protein 1 ( ROP1 ) from Toxoplasma gondii was an important molecular related with the host cell penetrating .

结果：经10μg／ml松萝酸作用30min，即可见速殖子的棒状体后段中央部分被溶解，细胞膜相结构和子虫的细胞膜断裂。

RESULTS : Under the action of 10 μ g / ml usnic acid for 30 min , the rhoptries lysed and the daughter cell membrane and membranate structures of tachyzoites appeared broken .

目的构建编码弓形虫RH株棒状体蛋白2（ROP2）和主要表面抗原1的重组表达质粒，纯化和复性的融合蛋白为弓形虫病快速诊断试剂盒及蛋白质疫苗的研制作准备。

Objective To obtain the functional fusion protein of rhoptry protein 2 ( ROP2 ) and major surface antigen 1 of Toxoplasma gondii in order to further prepare for the diagnosis and polyvalent vaccines of toxoplasmosis .

而单克隆抗体F6-C2识别的82/41kDa蛋白则定位于未成熟裂殖体及成熟裂殖子的棒状体中。

The 82 / 41 kDa proteins identified by McAb F6-C2 was located within the rhoptries of immature schizonts and mature merozoites .

目的构建含弓形虫主要表面抗原基因SAG1和棒状体蛋白ROP1复合基因重组质粒，并在大肠杆菌中表达，检测复合基因表达产物的免疫活性。

Aim To construct a recombinant plasmid encoding Toxoplasma gondii multi-antigen SAG1 / ROP1 and to detect the immunity of the expressed product in E coli .

但棒状体的大小和单位面积上棒状体的数量均有较大差别。

Both the clava size and number of clava per unit surface area were different .

棒状体的内含物与裂殖子入侵红细胞有关。

The contents of the rhoptries are closely related with the merozoite invasion of the erythrocyte .

第一部分弓形虫棒状体蛋白16的致病机制研究刚地弓形虫是一种专性细胞内寄生原虫，可感染几乎所有的恒温动物。

Toxoplasma gondii is an obligate intracellular parasitic protozoa , almost all of the warm-blooded animals can be infected .

类锥体由5～6圈微管组成，内有1对棒状体颈部，2根锥体内微管和若干微线体。

Twenty two microtubules were found beneath the inner pellicular complex . The conoid , in which there were the necks of the two rhoptries , two microtubules and some micronemes , was constructed with 5 6 rounds of microtubules .

SEM观察结果表明：刚性链PAM在尼龙6中的存在形式为：以链或链束为核，以尼龙6结晶为表的棒状结晶体。

The observation by means of SEM show that the state in which the rigid chain PAM in nylon 6 is rod shape crystal which use chain or chain bunch as core , and nylon 6 as coating .

卸荷应力路径下棒状结构体试件破损过程的试验研究

Experimental study on breaking process of bar-like structural bodies under unloding conditions

随着后缩聚时间的延长，弯叶片状和棒状组装体的数量不断增加，尺寸不断增大。

With the extension of polycondensation time , the quantity of the round bent-leaf shape and the lengthy rod increased , their size magnified .

通过棒状结构体在2种不同排列方式下的平面应变试验，研究了不同侧向应力状态下结构体的破损过程。

The plane strain compression experiments of the samples assembling of bar-like structural bodies are conducted to study the failure and breakage mechanisms of geological materials .

离子液体中棒状ZnO粉体的制备及光催化性能

Preparation , characterization and photocatalytic performance of ZnO rods crystal in ionic liquids

SEM分析表明，基础玻璃晶化完全，微晶玻璃中微晶体呈不规则柱状、棒状，微晶体长度为5~15μm，长径比为5~10。

SEM observations indicate that the based glass is crystallized completely and the microcrystals in the prepared glass-ceramics are of the anomalous rod-like shape , with the length of 5 ~ 15 μ m and the aspect ratio ranging from 5 to 10 .

结果表明，照射后棒状二价体数明显上升，二价体提前分离增多，而二价体的交叉数却呈下降趋势。

The results indicated that both the number of rod bivalents and the number of pre-division bivalents increased markedly after radiation , while the number of bivalent chiasma tended to decrease .

聚丙烯中添加炭黑与GL橙后，便成为球晶结构与棒状结构的混合体；

Submicroscopic structure of polypropylene containing GL orange and carbon black has a mixture characteristic structure of spher (?)

当柠檬酸钠浓度上升时，HAp晶体顶部逐渐收缩，形貌由六角形棒状转变为尖锥体状，而晶体的直径也随之逐步减小。

When the concentration of trisodium citrate increased , the rod-like crystals turned into the cone-shaped ones and the diameter of the HAp crystals also decreased .

以氯化锌、碳酸氢铵为原料，用直接沉淀法制备了珊瑚状、管状、针状球形和棒状微晶氧化锌粉体；

Using ZnCl_2 and NH4HCO_3 as raw materials , acicular ball-like ZnO , coral-like ZnO , tube-like ZnO , rod-like ZnO were fabricated via direct precipitation method .

这是因为偶氮苯基团在紫外光照射之后，由棒状的反式体变成了弯曲状的顺式体，破坏了原有的相结构，使液晶相转变温度明显降低。

The reason was that the azobenzene groups transformed from rod-like trans form to bent cis form upon UV irradiation , which destabilizes the initial phase structure and lowers the phase transition temperature obviously .