نتایج جستجو برای: dowex 21k
تعداد نتایج: 476 فیلتر نتایج به سال:
Vision transformer (ViT) recently has drawn great attention in computer vision due to its remarkable model capability. However, most prevailing ViT models suffer from huge number of parameters, restricting their applicability on devices with limited resources. To alleviate this issue, we propose TinyViT, a new family tiny and efficient small transformers pretrained large-scale datasets our prop...
A total of 10 cyanogen bromide peptides were isolated from the S-beta-carboxymethyl iron protein of nitrogenase. Purification of these peptides was performed mainly by gel filtration on Sephadex G-50; by ascending paper chromatography using the solvent system of pyridine, isoamyl alcohol, 0.1 M ammonium hydroxide; and also, in some cases, with additional steps such as anion exchange column chro...
In order to obtain a highly concentrated, pure and super-hot [ƒÁ-32P]ATP, we improved the purification method of super-hot [ƒÁ-32P]ATP which was synthesized by the method of Johnson and Walseth (1979). The super-hot [ƒÁ-32P]ATP was synthesized in a relatively large volume (2 ml) of reaction mixture and purified using semi-micro scale anion exchange chromatography (Dowex 1•~2, 60-70ƒÊl column vo...
Glycerinated rabbit psoas fibers were tested for their ability to contract under the influence of creatine phosphate and creatine kinase in the absence of free nucleotide. Tension development by the fibers was observed upon addition of creatine phosphate to the medium containing creatine kinase purified to the first lyophilization stage. However, when the enzyme was washed free of nucleotides b...
Quinaldic acid, which was found to be a metabolite of kynurenic acid (l), was not conjugated by the rabbit (2), but was excreted by the rat both free and as the glycine conjugate (3). When quinaldic acid was administered orally or parenterally to the cat, the urine contained little, if any, quinaldic acid or quinaldylglycine, but about two-thirds of the compound was accounted for as quinaldylgl...
During a study of the effect of 2,4-dichlorophenoxyacetic acid on the soluble nucleotides in soybean seedlings (1)) a nonnucleotide compound accumulated in the treated seedlings. The same compound was found in high concentrations in immature soybean seeds that would not germinate (2). The compound inhibited seed germination and markedly affected respiration and phosphorylation of both intact so...
The ras gene family encodes 21K proteins that reside on the inner face of the plasma membrane and bind GTP and GDP with an equally high affinity. Cotransfection of NIH 3T3 cells with a mammalian expression vector containing a viral Harvey-ras (v-Ha-ras) cDNA, together with a plasmid (pCMVCAT) carrying the immediate early (IE) enhancer of the murine cytomegalovirus (MCMV) linked to the chloramph...
The trmD operon is located at 56.7 min on the genetic map of the Escherichia coli chromosome and contains the genes for ribosomal protein (r-protein) S16, a 21-kDa protein (RimM, formerly called 21K), the tRNA (m1G37)methyltransferase (TrmD), and r-protein L19, in that order. Previously, we have shown that strains from which the rimM gene has been deleted have a sevenfold-reduced growth rate an...
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