نتایج جستجو برای: محرک پلاسمایی dbd

تعداد نتایج: 8664  

2013
Qi Chen Xuanshi Meng Bin Wu Yushuai Wang Feng Liu Shijun Luo

This paper provides an attempt to measure the pressure distribution actuated by dielectric barrier discharge (DBD) actuator. The efficacy of DBD plasmas driven by repetitive nanosecond (NS) pulses for pressure distribution is investigated experimentally in quiescent air. The NS pulse driven DBD plasma actuator (NS-DBD hereafter, transfers very little momentum to the neutral air, so the value of...

ژورنال: مهندسی هوانوردی 2010
احمدی زاده, یدالله, جعفری, محمد جواد, شکری, بابک, صفری, مینا,

محرک‌های پلاسمایی آیرودینامیک، قابلیت خود را به ­عنوان یک ابزار کنترل جریان در کاربردهای متفاوت، نشان داده‌است. مطالعه حاضر نتایج یک طرح ابتکاری را ارائه می دهد که در آن از یک منبع تغذیه برای تولید جریان ولتاژ بالا (بیش از 8 کیلو ولت) و در بسامد بالا (بیش از 10 کیلوهرتز) استفاده شد. سپس این جریان برای یونیزه کردن هوای راکد در فشار اتمسفری در سطح یک قطعه محرک پلاسمایی به ­کار برده شد. پیکربندی م...

2015
Julian Balzer Kiara Heuer Erhan Demir Martin A. Hoffmanns Sabrina Baldus Paul C. Fuchs Peter Awakowicz Christoph V. Suschek Christian Opländer Mohammed Yousfi

The proliferation of fibroblasts and myofibroblast differentiation are crucial in wound healing and wound closure. Impaired wound healing is often correlated with chronic bacterial contamination of the wound area. A new promising approach to overcome wound contamination, particularly infection with antibiotic-resistant pathogens, is the topical treatment with non-thermal "cold" atmospheric plas...

Journal: :Molecular endocrinology 1998
L E Romine J R Wood L A Lamia P Prendergast D P Edwards A M Nardulli

We have examined the ability of the high-mobility group protein 1 (HMG1) to alter binding of the estrogen receptor DNA-binding domain (DBD) to the estrogen response element (ERE). HMG1 dramatically enhanced binding of purified, bacterially expressed DBD to the consensus vitellogenin A2 ERE in a dose-dependent manner. The ability of HMG1 to stabilize the DBD-ERE complex resulted in part from a d...

2013
Aric Bendorf Patrick J. Kelly Ian H. Kerridge Geoffrey W. McCaughan Brian Myerson Cameron Stewart Bruce A. Pussell

During the past decade an increasing number of countries have adopted policies that emphasize donation after cardiocirculatory death (DCD) in an attempt to address the widening gap between the demand for transplantable organs and the availability of organs from donation after brain death (DBD) donors. In order to examine how these policy shifts have affected overall deceased organ donor (DD) an...

Journal: :CNS spectrums 2015
Rosalind H Baker Roberta L Clanton Jack C Rogers Stéphane A De Brito

Decades of research have shown that youths with disruptive behavior disorders (DBD) are a heterogeneous population. Over the past 20 years, researchers have distinguished youths with DBD as those displaying high (DBD/HCU) versus low (DBD/LCU) callous-unemotional (CU) traits. These traits include flat affect and reduced empathy and remorse, and are associated with more severe, varied, and persis...

Journal: :Journal of molecular endocrinology 2000
C A Sartorius G S Takimoto J K Richer L Tung K B Horwitz

Ligand-activated progesterone receptors (PR) bind to DNA at specific progesterone response elements by means of a DNA binding domain (DBD(PR)) containing two highly conserved zinc fingers. DNA-bound PRs regulate transcription via interaction with other nuclear proteins and transcription factors. We have now identified four HeLa cell nuclear proteins that copurify with a glutathionine-S-transfer...

Journal: :European journal of pharmacology 2010
Minet de Wied Christine Gispen-de Wied Anton van Boxtel

In this essay, we focus on empathy in children and adolescents with disruptive behavior disorders (DBD), based on the assumption that lack of empathy is a risk factor for the development of DBD. We reflect on the heterogeneity of DBD, the complex nature of the empathy construct, discuss empathy's role in aggression, and review recent findings from studies on empathic skills in children and adol...

Journal: :Cell 2015
Abdenour Soufi Meilin Fernandez Garcia Artur Jaroszewicz Nebiyu Osman Matteo Pellegrini Kenneth S. Zaret

Pioneer transcription factors (TFs) access silent chromatin and initiate cell-fate changes, using diverse types of DNA binding domains (DBDs). FoxA, the paradigm pioneer TF, has a winged helix DBD that resembles linker histone and thereby binds its target sites on nucleosomes and in compacted chromatin. Herein, we compare the nucleosome and chromatin targeting activities of Oct4 (POU DBD), Sox2...

2009
H Ayan

Antimicrobial effectiveness of a nanosecond-pulsed dielectric barrier discharge (DBD) was investigated and compared with that of a microsecond-pulsed DBD. Experiments were conducted on the Escherichia coli bacteria covering a topographically non-uniform agar surface acting as one of the DBD electrodes. They reveal that the nanosecond-pulsed DBD can inactivate bacteria in recessed areas whereas ...

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