the histology and negative staining for s100 are not consistent with schwannoma or neurofibroma.

组织学图像和s100的阴性又不支持神经鞘瘤和神经纤维瘤。

methods the phage was identified by detection of the host range, calculation of phage plaque, negative staining for tem, serological neutralization test and one step growth experiment.

方法采用宿主范围测定、噬菌斑计数、负染色电镜观察、血清中和试验及血清交叉中和试验、一步生长实验等技术观察分离的噬菌体。

super-micro structures and protein components of coronavirus-like particles are observed and analyzed through the techniques of negative staining and sds-page.

通过对比其他冠状病毒的结构和成分分析，初步建立了栉孔扇贝冠状病毒粒子的结构模式。

under negative staining electron microscopy, the keratin was a filament with a diameter of 80-100a.

用电镜负染技术观察角蛋白细丝并测定其直径为80～100a。

tint fine thread could be found in dark background after negative staining observed by tem.

透射电镜下，经负染后，在深色的背景中间可见浅色细丝状。

all normal bladder tissues showed negative staining while the rate of expression of vegf in neoplastic tissues was 56%.

结果发现正常膀胱组织均为阴性反应，膀胱癌组织中vegf蛋白阳性表达率为56%。

a kind of spherical virus with the size of 90-140 nm was detected in some coastal shellfish by negative staining method.

报道了一种球状病毒对近海几种贝类的自然感染情况，并分别采用投喂、浸泡、划伤等方法人工感染绣凹螺、滨螺和幼鲍。

most of cancers with positive staining of somatostatin were diploidy, most of cancers with negative staining were aneuploidy, there had significant difference between two groups (p0.05).

生长抑素表达阳性的乳癌多为二倍体癌，表达阴性者多为异倍体癌，两组间有显着性差异 （p 0.05）。

the effect of dimethyl sulphoxide(dmso)on micelle conformation of hexadecyltrimethylammonium bromide(ctab)was studied by means of surface tension and negative staining tem measurements.

通过表面张力法和负染色电镜法分别从两个方面研究了二甲基亚砜（dmso）对十六烷基三甲基溴化铵（ctab）胶束形成的影响。

cortical microtubules were observed in intraepidermal cells of onion bulb with thin section and negative staining of protoplasts.

用超薄切片和原生质体负染的方法，在电镜下观察到洋葱鳞茎内表皮细胞周质微管的存在。

the normal parotid tissue and the adjacent normal tissue of salivary gland tumors were negative staining of p185.

正常腮腺组织和肿瘤邻近正常组织阳性率为0。

sucrose gradient centrifugation , transmission electron microscopy technique of negative staining and sds-page were applied to study the purification , internal structure and protein compositions.

通过蔗糖梯度离心、电镜负染观察、sds-page等方法对病毒的粒子的纯化、内部结构、蛋白质组成等进行了研究。