جنیهان ذهبیان للملکة فیکتوریا (1253- 1318 هـ / 1837 – 1901 م ) لم یسبق نشرهما محفوظین بمتحف أثار طنطا
نویسندگان
چکیده
منابع مشابه
Dev115386 1242..1253
The satellite cells, which serve as adult muscle stem cells, are both located beneath myofiber basement membranes and closely associated with capillary endothelial cells. We observed that 90% of capillaries were associated with pericytes in adult mouse and human muscle. During post-natal growth, newly formed vessels with their neuroglial 2 proteoglycan (NG2)-positive pericytes became progressiv...
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Ornidazole [R,S-1-chloro-3-(2-methyl-5-nitro-1H-imidazol-1-yl)propan2-ol] is a chiral 5-nitroimidazole class antimicrobial agent. This study aimed to investigate the principal metabolic pathway of ornidazole in humans and identify the major enzymes involved. A total of 19 metabolites were identified in human urine collected from patients with hepatobiliary diseases after an intravenous drip inf...
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At many excitatory and inhibitory synapses throughout the nervous system, postsynaptic currents become faster as the synapse matures, primarily owing to changes in receptor subunit composition. The origin of the developmental acceleration of AMPA receptor (AMPAR)-mediated excitatory postsynaptic currents (EPSCs) remains elusive. We used patch-clamp recordings, electron microscopic immunogold lo...
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T cell receptor (TCR) activation and signaling precede immunological synapse formation and are sustained for hours after initiation. However, the precise physical sites of the initial and sustained TCR signaling are not definitively known. We report here that T cell activation was initiated and sustained in TCR-containing microclusters generated at the initial contact sites and the periphery of...
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The first examples of thermally stable molecular dihydrogen adducts of nickel were synthesized from their dinitrogen adduct precursors, which are themselves among the first examples of Ni(II)-N2 complexes. The minimal activation of the bound N2 moieties suggests that these adducts are stabilized predominantly through s-donation from the adduct to the electrophilic metal center. We further show ...
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ژورنال
عنوان ژورنال: Al-Ma?allah Al-?ilmiyya? Bi Kulliyyat? Al-Ad?b (Online)
سال: 2022
ISSN: ['2735-3672', '2735-3664']
DOI: https://doi.org/10.21608/jartf.2022.248060