منابع مشابه
Histological staining techniques
The first stainings were tried by A VAN LEEUWENHOEK (apparently in the years 1714-1719) and by R VIEUSSENS (about 1684) studying their objects with alcoholic saffron dyes (LEWIS FT, 1942). At last, genuine histological work began much later when T HARTIG, C WEIGERT, J GERLACH, P EHRLICH and H GIERKE started in the second half of the 19 century with their systematic studies of natural and synthe...
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An accepted feature of technological development and its associated accumulation of data is that progress occurs in an irregular fashion with 'break throughs' being interspersed by periods of relative inactivity. In the halcyon years of 1955 to 1961, human cytogenetics experienced a revolution which brought the field within the scope of most genetic laboratories. The resulting increase in the v...
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BACKGROUND Detection of C4d along peritubular capillaries (PTC) in renal allograft biopsies is an independent prognostic marker of poor long-term graft survival. It is typically associated with circulating donor-specific antibodies. Since only little information is available on the best technique to stain C4d, we compared the two methods most often used for detecting C4d in renal allograft spec...
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Morphological analysis of semen is a very important step in fertility assessment, but many semen defects are not detectable at the morphological level. These include pathological changes in sperm chromatin structure. During mammalian spermiogenesis, histone proteins associated with DNA structure are replaced by specific protamines, with which chromatin does not form nucleosomal complexes. In th...
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ژورنال
عنوان ژورنال: Nature
سال: 1957
ISSN: 0028-0836,1476-4687
DOI: 10.1038/1791152b0