نتایج جستجو برای: examined by fluorescence microscopy
تعداد نتایج: 7270528 فیلتر نتایج به سال:
The concept of specific cellular antigen staining by use of an immunofluorescent technique was introduced by AH COONS and co-workers about 60 years ago. Fluorescent probes are efficient tools and enable the detection of particular components in complex structures of organs including live cells. Under the condition of specific molecular interactions, fluorochrome labeled ligands allow the select...
A comparison has been made of a fluorescent antibody technique with a cultural method for the detection of Sh. sonnei in faeces. The two methods were in agreement in 73% of the 394 specimens examined; 57 (14.5%) speciments were positive by culture only; 52 (13.2%) specimens gave positive results by fluorescence microscopy which were not confirmed by culture. Most of the latter are thought to be...
according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...
Correlative light and electron microscopy (CLEM) is an emerging technique which combines functional information provided by fluorescence microscopy (FM) with the high-resolution structural information of electron microscopy (EM). So far, correlative cryo microscopy of frozen-hydrated samples has not reached better than micrometre range accuracy. Here, a method is presented that enables the corr...
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