نتایج جستجو برای: نرمافزار sams
تعداد نتایج: 1753 فیلتر نتایج به سال:
Two genes coding for S-adenosyl-l-methionine synthase (SAMS, EC 2.5. 1.6) were previously isolated from pea (Pisum sativum) ovaries. Both SAMS genes were highly homologous throughout their coding regions but showed a certain degree of sequence divergence within the 5' and the 3' untranslated regions. These regions have been used as gene-specific probes to analyze the differential expression of ...
While thioacetate-terminated oligo(phenylene vinylene)s (OPVs) have been synthesized and employed in applications involving the formation of metal–molecule–metal junctions, the synthesis and application of potentially more versatile α,ω-dithiol OPVs have not previously been described. Here, a thiomethyl-precursor route to the synthesis of α,ω-dithiol OPVs is reported and their ability to form w...
We report an atomic scale controllable synthesis of Pd/Pt core shell nanoparticles (NPs) via area-selective atomic layer deposition (ALD) on a modified surface. The method involves utilizing octadecyltrichlorosilane (ODTS) self-assembled monolayers (SAMs) to modify the surface. Take the usage of pinholes on SAMs as active sites for the initial core nucleation, and subsequent selective depositio...
In this paper, we analyze the problem of supporting conflict-free access for multiple stride families in parallel memory schemes targeted for high performance vector processing systems. We propose the Matched SAMS Scheme, which is based on the basic SAMS scheme, to support conflict-free vector memory accesses for strides from multiple stride families. We compare our scheme against previously pr...
The origin of the odd-even effect in properties of self-assembled monolayers (SAMs) and/or technologies derived from them is poorly understood. We report that hydrophobicity and, hence, surface wetting of SAMs are dominated by the nature of the substrate (surface roughness and identity) and SAM tilt angle, which influences surface dipoles/orientation of the terminal moiety. We measured static c...
Supramolecular structures formed by the self-assembly of functional molecular building blocks are a promising class of materials for future technologies.[1±3] Particularly useful for their fabrication is hydrogen bonding,[4] which provides both high selectivity and directionality.[5] Hydrogen-bonded archiSAM.[9] This kinetic inhibition towards spontaneous adsorption was not observed when Bu4NPF...
In the context of cooperative work, a team alternates divergence phases where each member works in insulation on copies of objects and convergence phases during which the group reconciles and validates data. To support this style of working, we propose the concept of SAMS environments. A SAMS environment allows team members to work in Synchronous, Asynchronous or Multi-Synchronous mode while en...
In the second half of the 20th century, scientists have been attracted to the design of thin solid films at the molecular level because of their potential for applications in the fields of biology and medicine. Two techniques dominated research in this area: Langmuir–Blodgett deposition and self-assembled monolayers (SAMs). Both Langmuir–Blodgett deposition, invented by Langmuir and Blodgett, a...
Social accounting matrices (SAMs) have been used fairly extensively to model the effects of shocks on a nation's economy. A brief literature review on SAMs and examples of their use for simple simulations were provided by Parra and Wodon (2009b) in chapter 6 of this volume. That chapter highlighted the strengths and weaknesses of SAMs and emphasized the need to be care ful before using SAM-bas...
Substrate roughness influences the wetting properties of self-assembled monolayers (SAMs), but details on this dependency at the sub-nanometer level are still lacking. This study investigates the effect of surface roughness on interfacial properties of n-alkanethiolate SAMs, specifically wetting, and confirms the predicted limit to the observation of the odd-even effect in hydrophobicity. This ...
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