Negative stain

Nucleocapsid , observed by negative stain , is rod shaped , and its length and width are various .

负染观察到的病毒核衣壳呈直杆状，但长度和直径相差较大，最长的病毒超过600nm。

The intact virion is enclosed with two-layer-envelope , and it has a tail when it is observed by electronic microscope in negative stain .

该病毒的完整粒体有囊膜，负染观察可见病毒粒体有尾。

The morphology of the virus was similar to round and hexagonal without capsule , diameter 30 nm by negative stain under electron microscope .

电镜观察负染标本病毒形态近似圆形和六角形，无胞膜，直径约30nm。

By immune electron microscopic observation on 13 fecal specimens ( negative stain ) from patients with hepatitis B virus , HBsAg was found in some of the specimens .

本文用免疫电镜负染法对病毒性乙型肝炎患者13份粪便进行观察，检出了HBsAg，与实验室检查结果相符。

The colonial structure was observed by glycocalyx negative stain . The adhesive bacteria on tissues were estimated . These reflected the relation between colonial structure and adhesion .

通过用铁浸染色法对细菌群体结构定量化研究，用糖包被负染法对群体结构内部结构观察，对粘附在组织表面细菌数量的测定，反映结构与粘附力的关系。

The predictive value of positive bcl 2 stain for drug resistance was 86 7 % ( 13 / 15 ) and that of negative stain was 55 0 % .

bcl-2阳性对耐药的预测值为86.7%，bcl-2阴性对耐药的预测值为55.0%。

Negative stain electron microscopy showed recombinant antigens CI 、 CII 、 CIII could form virus-like particles ( VLPs ), similar to HBcAg morphologically . These particles have an average diameter of 30 ~ 34 nm .

电镜检测显示重组抗原CI、CII和CIII可以形成形态与HBcAg类似的类病毒颗粒，颗粒直径在30～34nm之间。

Among 80 non tuberculosis cases ( control ), all were negative by acid fast stain . 73 cases were negative by serum antibody examination and 71 cases were negative by PCR hybridization as well .

非结核病组80例病人的临床样品，抗酸染色全部阴性，抗体测定法阴性73例，PCR杂交法阴性71例。