WebJan 1, 2002 · FK520, also called ascomycin, is an immunosuppressive agent produced by Streptomyces hygroscopicus. Engineering the polyketide synthase genes of the parent strain generated novel FK520 analogs with the potential for improved in vivo stability. By replacing the acyl transferase (AT) domain in the polyketide synthase module 8 with an … Webimpurity concentration with increasing number of diavol-umes,similar toEq.(1),but therateofdecline isreduced by a factor of 1 + nKC p where C p is the protein concentration during the diafiltration process. Thus, more diavolumes are needed to reduce the impurity concentration by a given factor in the presence of impurity binding, and the extent of
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WebJun 11, 2024 · The bound states of an electron moving in a dimerized chain with a single nonlinear nonlinearity are studied. Some novel properties have been found. … WebMar 21, 1997 · The local effects of isolated magnetic adatoms on the electronic properties of the surface of a superconductor were studied with a low-temperature scanning tunneling microscope. Tunneling spectra obtained near magnetic adsorbates reveal the presence of excitations within the superconductor's energy gap that can be detected over a few … edward keane harrison ny
PACS numbers: 71.10.Pm, 72.10.Fk, 85.75.-d …
WebCheck for UV impurities. The peakimpurity check, or peak purity is a 3D-UV feature in OpenLAB CDS allowing youto verify if the peaks can be considered as pure (no impurity … http://export.arxiv.org/pdf/cond-mat/0703249 WebAn efficient binary collision approximation (BCA) ion implant code with good prediction capabilities for semiconductor materials (Si, GaAs, SiC) with only one fitting parameter for low implantation doses is presented. It includes specific interatomic potentials and recent improvements in physical models for inelastic stopping. A periodic ab initio full bond … consumer guide best buy