نتایج جستجو برای: stems cell
تعداد نتایج: 1701638 فیلتر نتایج به سال:
Cinnamyl alcohol dehydrogenase (CAD) is a key enzyme involved in the last step of monolignol biosynthesis. The effect of CAD down-regulation on lignin production was investigated through a transgenic approach in maize. Transgenic CAD-RNAi plants show a different degree of enzymatic reduction depending on the analyzed tissue and show alterations in cell wall composition. Cell walls of CAD-RNAi s...
The cell walls in plants are made up of just four basic building blocks: cellulose (the main structural fibre of the plant kingdom) hemicellulose, lignin and pectin. Although the microstructure of plant cell walls varies in different types of plants, broadly speaking, cellulose fibres reinforce a matrix of hemicellulose and either pectin or lignin. The cellular structure of plants varies too, f...
In this study, we deal with texts in languages (Hebrew/Aramaic) which have been little studied. Moreover, Semitic language processing in general is of great interest today. In particular, we investigate how to classify Jewish Law articles written in Hebrew-Aramaic according to the ethnic group of their authors. The classification is done using only stems of words, excluding very frequent stems ...
INTRODUCTION Historically, cemented total hip arthroplasty (THA) femoral stems inserted in varus have yielded poor clinical results. Few studies to date have addressed the question of the effects of varus alignment on cementless stems. We conducted a retrospective review of 125 uncemented THA femoral stems implanted by a single surgeon from 1994 to 1999. METHODS We conducted a retrospective r...
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