نتایج جستجو برای: injection barriers

تعداد نتایج: 237479  

Journal: :Brain research 2011
Hiroyuki Ichikawa Kouichi Itoh

Disruption of the central nervous system (CNS) barriers is one of the major pathophysiological consequences of bacterial meningitis. The increase in the permeability of the CNS barriers caused by the disruption is thought to contribute to the development of adverse neurological outcomes. We have established a method by which the CNS barrier permeability can be demonstrated by the gadolinium-enh...

Journal: :Journal of the American Chemical Society 2007
Corey Hoven Renqiang Yang Andres Garcia Alan J Heeger Thuc-Quyen Nguyen Guillermo C Bazan

In organic light-emitting diodes (OLEDs), electrons are injected from the cathode into the π*-band (lowest unoccupied molecular orbital) of an organic semiconductor and holes are injected from the anode into the π-band (highest occupied molecular orbital). If the work function of the cathode is greater than the π*-band or the work function of the anode is less than the π-band, these differences...

2010
Slawomir Braun Wojciech Osikowicz Ying Wang William R. Salaneck E. I. DuPont

Ultraviolet photoelectron spectroscopy has been used to determine the energy level alignment at interfaces of molecular hole-transporting materials and various conductive substrates. Depending on the work function of the substrate, s, a transition between two different energy level alignment regimes has been observed: namely vacuum level alignment and Fermi level pinning. The transition is ass...

Journal: :بینا 0
علی کثیری a kasiri ahvaz jondi shapoor university of medical sciences, ahvaz, iranاهواز-خیابان آزادگان-بیمارستان امام خمینی (ره)-بخش چشم پزشکی مصطفی فقهی m feghhi ahvaz jondi shapoor university of medical sciences, ahvaz, iranاهواز-خیابان آزادگان-بیمارستان امام خمینی (ره)-بخش چشم پزشکی فریناز برنا f borna ahvaz jondi shapoor university of medical sciences, ahvaz, iranاهواز-خیابان آزادگان-بیمارستان امام خمینی (ره)-بخش چشم پزشکی بهمن چراغیان b cheraghian ahvaz jondi shapoor university of medical sciences, ahvaz, iranاهواز-خیابان آزادگان-بیمارستان امام خمینی (ره)-بخش چشم پزشکی

purpose: to evaluate the effects of intravitreal and intracameral injection of bevacizumab in patients with neovascular glaucoma (nvg).   methods: this interventional case series was conducted on 40 eyes of 40 patients with neovascular glaucoma. data included the extent of iris (nvi) and angle neovascularization (nva), peripheral anterior synechia (pas), and intraocular pressure (iop). followin...

2011
C. Dimopoulou T. Katayama I. Meshkov D. Möhl F. Nolden G. Schreiber A. Sidorin R. Stassen M. Steck H. Stockhorst G. Trubnikov

For the modularized start version of the FAIR project, a scenario was proposed with accumulation of antiprotons in the High Energy Storage Ring (HESR). The accumulation uses pre-cooled antiprotons from the Collector Ring (CR) for longitudinal accumulation by the combination of barrier buckets and stochastic cooling. As a benchmarking of computer simulations and for studies of technical requirem...

Journal: :Nanomedicine : nanotechnology, biology, and medicine 2017
Gerard H Bode Gregory Coué Christian Freese Karin E Pickl Maria Sanchez-Purrà Berta Albaiges Salvador Borrós Ewoud C van Winden Leto-Aikaterini Tziveleka Zili Sideratou Johan F J Engbersen Smriti Singh Krystyna Albrecht Jürgen Groll Martin Möller Andy J G Pötgens Christoph Schmitz Eleonore Fröhlich Christian Grandfils Frank M Sinner C James Kirkpatrick Harry W M Steinbusch Hans-Georg Frank Ronald E Unger Pilar Martinez-Martinez

Targeted delivery of drugs across endothelial barriers remains a formidable challenge, especially in the case of the brain, where the blood-brain barrier severely limits entry of drugs into the central nervous system. Nanoparticle-mediated transport of peptide/protein-based drugs across endothelial barriers shows great potential as a therapeutic strategy in a wide variety of diseases. Functiona...

2007
Adeline Nyamathi Angela Hudson Malaika Mutere Ashley Christiani Jeff Sweat Kamala Nyamathi Theresa Broms

In the United States, homeless youth are becoming increasingly entrenched in problem substance use, including high prevalence of alcohol abuse and injection use. A total of 54 substance-using homeless youth (18-25 years) participated in focus groups in order to provide their perspectives on barriers to and facilitators of seeking treatment. Participants were recruited from shelters in Hollywood...

2012
Wenbin Lv Lai Wang Jiaxing Wang Zhibiao Hao Yi Luo

InGaN/GaN multilayer quantum dot (QD) structure is a potential type of active regions for yellow-green light-emitting diodes (LEDs). The surface morphologies and crystalline quality of GaN barriers are critical to the uniformity of InGaN QD layers. While GaN barriers were grown in multi-QD layers, we used improved growth parameters by increasing the growth temperature and switching the carrier ...

Journal: :Cancer research 1990
H Sands

During the past 8 years numerous patients have been treated by injection of radiolabeled monoclonal antibodies for both diagnosis and treatment of cancer. It has become common to refer to this approach by such terms as "antibody guided delivery" or "antibody guided targeting." In general the results, while somewhat promising, have failed to fulfill our initial expectations. It is now clear that...

Journal: :پژوهش های ترویج و آموزش کشاورزی 0

the purpose of this study was identification and applying ahp method in prioritization and comparison educational barriers and sustainable development on production of edible insects as diets from the viewpoint of selected groups. it was an applied research, research method was analytical, descriptive and statistical society was four groups of specialists, livestock and poultry producers, insec...

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