نتایج جستجو برای: o20
تعداد نتایج: 163 فیلتر نتایج به سال:
A synthetic mimic of mussel adhesive protein, dopamine-modified four-armed poly(ethylene glycol) (PEG-D4), was combined with a synthetic nanosilicate, Laponite (Na(0.7+)(Mg5.5Li0.3Si8)O20(OH)4)(0.7-)), to form an injectable naoncomposite tissue adhesive hydrogel. Incorporation of up to 2 wt % Laponite significantly reduced the cure time while enhancing the bulk mechanical and adhesive propertie...
Background Micro-RNAs (miRNAs) are a class of small non-coding RNA molecules that function though post transcriptional regulation of gene expression by a process termed RNA interference (RNAi). RNAi–mediated targeting of viral RNAs is recognized as an antiviral defense mechanism. The epigenetic effect of miRNAs can either be direct, by interfering with virus genome, or indirect, through downreg...
In Esteban and Ray (1999, Inequality public allocation and development, Mimeo.) we formalize a model in which individuals lobby before the government in order to bene"t from some productivity-enhancing government action (infrastructures, direct subsidies, permissions, in short). The government honestly tries to allocate these permissions to the agents that will make the best use of them, as rev...
Charitable giving has increasingly become ‘tough love’ it has come to require recipients to undertake costly prior action. A common justification is that of greater efficiency: willingness to undertake costly actions signals greater productivity from transfers. However, there is a trade-off. Conditions impose a cost, since the activities required are by themselves welfare reducing for at least ...
This paper analyzes the question: what does it take for science parks and technology districts to evolve and grow? We propose an analytical framework to examine the gestation, evolution and sustainability of science parks and related but broader regional phenomena such as technology districts. The framework comprises three aspects of a science park’s development: growth mechanisms, level of tec...
Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are composed of cells with a neuroendocrine phenotype. The old and the new WHO classifications distinguish between well-differentiated and poorly differentiated neoplasms. All well-differentiated neoplasms, regardless of whether they behave benignly or develop metastases, will be called neuroendocrine tumours (NETs), and graded G1 (Ki67...
during the primary survey life-threatening or limb-threatening conditions are identified and management is instituted simultaneously. priorities for the care of adult, pediatrics & pregnancy women are all the same. you should do rapid sequential way to assess the patients in 10 seconds treat as you find life threatening condition and repeat if at any time unstable vital signs should be repeated...
This study aimed to evaluate the most predominant strain of avian pathogenic Escherichia coli (APEC) that causes colibacillosis with respiratory manifestation in broiler chickens. Isolation and serotyping identification for isolates E. were performed. Prevalence APEC differentiated by detection 8 virulence-associated genes “astA, iss, irp2, papC iucD, tsh, vat, cva/cvi” using multiplex PCR tech...
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