نتایج جستجو برای: فناوری (ttf)
تعداد نتایج: 19479 فیلتر نتایج به سال:
Background: Thyroid transcription factor-1 (TTF-1) is widely used in the diagnosis of lung and thyroid carcinomas. Although there have been reports of TTF-1 immunoreactivity in tumors other than those originating from the lung or thyroid, endocervical and endometrial adenocarcinomas have not been studied in large numbers in this regard. Methods: Thirteen endocervical adenocarcinomas, 39 endome...
مدیریت ارتبات با مشتری (crm) یک وظیفه حیاتی و ضروری برای بازاریابی مشتری-محور است و این وظایف شامل جمع آوری و طبقه بندی اطلاعات مربوط به مشتریان به منظور فراهم آوردن خدمات موثرتر می باشد. e-crm یک استراتژی کلیدی برای تجارت الکترونیکی (ec) می باشد که از ترکیب بخش های مختلف it از قبیل نرم افزارها، سخت افزارها،برنامه های کاربردی و همچنین تعهدات سازمانی و مدیریت که از طریق کانال های مبتنی بر وب حاص...
The neutral-ionic (NI) phase transition in (BEDT-TTF)(ClMeTCNQ) is studied with ESR under pressure to tune the transition temperature. Broad peak structures observed in the spin susceptibility around T(NI) are analyzed with the assumption of a spin-Peierls gap of 1100 K, which demonstrates the continuous evolution of ionic domain fraction through T(NI) over the extent T(W) proportional, variant...
Laura Cano-Cortés, Andreas Dolfen, Jaime Merino, Jörg Behler, Bernard Delley, Karsten Reuter, and Erik Koch ∗ Departamento de Física Teórica de la Materia Condensada, Universidad Autónoma de Madrid, 28049 Madrid, Spain Institut für Festkörperforschung, Forschungzentrum Jülich, 52425 Jülich, Germany Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany Paul-Sche...
A series of bis(TTF) donors containing aromatic linkers between the two TTF units has been synthesized in order to investigate on the electronic structure of the oxidized species from an experimental and theoretical point of view. A mono(TTF)-pyridine compound has been also prepared and characterized by single-crystal X-ray diffraction analysis. Oxidation of a solution of 2,6-bis(TTF)-pyridine ...
The majority of lung adenocarcinomas express the lineage-specific thyroid transcription factor-1 (TTF-1). We recently reported that in a subset of lung adenocarcinomas the TTF-1 gene is amplified. Although the prognostic significance of TTF-1 expression has been previously investigated, the significance of TTF-1 amplification has not been established. We studied 89 consecutive patients with lun...
A series of bis(TTF) donors containing aromatic linkers between the two TTF units has been synthesized in order to investigate on the electronic structure of the oxidized species from an experimental and theoretical point of view. A mono(TTF)-pyridine compound has been also prepared and characterized by single-crystal X-ray diffraction analysis. Oxidation of a solution of 2,6-bis(TTF)-pyridine ...
Tyroid transcription factor-1 (TTF-1) motivates the differentiation and development of bronchioloalveolar cells. The association of TTF-1 expression with prognosis in stage I adenocarcinoma is unclear. This study enrolled patients with resected stage I pulmonary adenocarcinoma who had TTF-1 immunostaining. All the corresponding clinicopathologic data including sex, age, smoking history, patholo...
Thyroid transcription factor-1 (TTF-1/Nkx2.1/TITF1) is a homeodomain-containing transcription factor essential for the morphogenesis and differentiation of the lung. In the lung, TTF-1 controls the expression of surfactant proteins that are essential for lung stability and lung host defense. In this study, we identified functionally important transcription factor binding sites in the TTF-1 prox...
Through both gain- and loss-of-TTF-1 expression strategies, we show that TTF-1 positively regulates vascular endothelial growth factor (VEGF) and that the VEGF promoter element contains multiple TTF-1-responsive sequences. The major signaling receptor for VEGF, i.e VEGFR2, also appears to be under a direct and positive regulation of TTF-1. The TTF-1-dependent upregulation of VEGF was moderately...
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