نتایج جستجو برای: scale gram
تعداد نتایج: 648010 فیلتر نتایج به سال:
Synthesis of long peptides is generally considered as a challenge to peptide chemists, in addition producing significant amounts toxic waste, such DMF. Here we show that using solvent-less methods, ball milling, enabled the production hexapeptide Boc-(Ala-Phe-Gly)2-OBn at gram scale with high overall yield (77 %, 5 linear steps). This longest chain synthesized mill date, which amino acid sequen...
We introduce a new set of tools for working with web-scale N-gram data. These tools lower the barrier for working with web-scale text, and create a new platform for acquiring large-scale linguistic knowledge. They will allow novel sources of information to be applied to long-standing natural language challenges.
First reported gram-scale synthesis of a four-arm cage-shaped poly(ethylene oxide) polymer and its pioneering application as electrolyte.
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