نتایج جستجو برای: short chain branching
تعداد نتایج: 740903 فیلتر نتایج به سال:
Starch-branching enzymes (SBE) break the alpha-1,4 linkage of starch, re-attaching the chain to a glucan chain by an alpha-1,6 bond, altering starch structure. SBEs also facilitate starch accumulation by increasing the number of non-reducing ends on the growing chain. In maize (Zea mays), three isoforms of SBE have been identified. To examine the function of the SBEIIa isoform, a reverse geneti...
BACKGROUND Starch is biosynthesised by a complex of enzymes including various starch synthases and starch branching and debranching enzymes, amongst others. The role of all these enzymes has been investigated using gene silencing or genetic knockouts, but there are few examples of overexpression due to the problems of either cloning large genomic fragments or the toxicity of functional cDNAs to...
The parabolic approximation for self-consistent molecular potential is widely used theoretical analysis of conformational and thermodynamic properties polymer brushes formed by linear or branched macromolecules. architecture-dependent parameter the (topological coefficient) can be calculated arbitrary architecture from condition elastic stress balance in all branching points. However, calculati...
This work investigated the chain structure and large amplitude oscillatory shear (LAOS) rheological properties of waxy maize starch (WMS) at different growth periods established a motion model to clarify evolution structure. During period 20–25 days, apparent viscosity dynamic moduli for WMS paste decreased, along with greater degree nonlinearity. could be correlated an increasing branching due...
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