نتایج جستجو برای: slit mapping

تعداد نتایج: 207850  

2009
Hyun Chang Doo Hee Han Ji-hun Mo Jeong-Whun Kim Dong-Young Kim Chul Hee Lee Yang-Gi Min Chae-Seo Rhee

OBJECTIVES Sublingual immunotherapy (SLIT) has recently received much attention around the world as a treatment for allergic rhinitis. This study aimed to investigate the efficacy and adverse effects of SLIT in Korean patients with allergic rhinitis caused by house dust mites. The treatment compliance and the patient satisfaction with SLIT were also assessed. METHODS The patients who were sen...

2017
Krishna Moorthi Bhat

Axon-guidance by Slit-Roundabout (Robo) signaling at the midline initially guides growth cones to synaptic targets and positions longitudinal axon tracts in discrete bundles on either side of the midline. Following the formation of commissural tracts, Slit is found also in tracts of the commissures and longitudinal connectives, the purpose of which is not clear. The Slit protein is processed in...

Journal: :Optics express 2011
Changjun Min Liu Yang Georgios Veronis

We introduce a compact submicron structure consisting of multiple optical microcavities at both the entrance and exit sides of a subwavelength plasmonic slit filled with an absorbing material. We show that such microcavity structures at the entrance side of the slit can greatly enhance the coupling of the incident light into the slit, by improving the impedance matching between the incident pla...

Journal: :Optics express 2012
Yin Huang Changjun Min Georgios Veronis

We introduce compact wavelength-scale slit-based structures for coupling free space light into metal-dielectric-metal (MDM) subwave-length plasmonic waveguides. We first show that for a single slit structure the coupling efficiency is limited by a trade-off between the light power coupled into the slit, and the transmission of the slit-MDM waveguide junction. We next consider a two-section slit...

2002
Nobuhiko Hata Junichi Tokuda Shigeo Morikawa Takeyoshi Dohi

Fast image registration for magnetic resonance image (MRI)-guided surgery using projection profile matching embedded in MR pulse sequence is proposed. The method can perform two-dimensional image registration by matching projection profiles acquired with zero-degree phase encoding. The matching process continuously measures displacement by optimizing cross correlation value from profiles acquir...

1967
H. Brechna J. Cobb

The design of a magnetic slit used for momentum definition and beam separation for high energy particle beams is discussed. (To be submitted to Review of Scientific Instruments) * Work supported by U. S. Atomic Energy Commission

Journal: :Journal of Optics 2021

We have analytically obtained the theoretical results for Rayleigh-Sommerfeld (R-S) scalar diffraction by apertures, such as single-slit, double-slit, grating and circular aperture, moving at relativistic speeds with velocities perpendicular to direction of incidence. also studied a single-slit oscillatory shutter. Our study would be significant in probing transverse Doppler effect on intensity...

1999
M. J. Rhee R. F. Schneider

The beam is best represented by its distribution in the transverse phase space. In order to determine the transverse velocity distribution, either a pinhole or a thin slit may be used. The slit, however, is more often preferred in many experiments I4 for two,-dimensional phase-space measurement. A beam produced by a hot thermionic cathode or a beam which has existed in a space for a long period...

2015
Elly Ordan Marko Brankatschk Barry Dickson Frank Schnorrer Talila Volk

During organogenesis, secreted signaling proteins direct cell migration towards their target tissue. In Drosophila embryos, developing muscles are guided by signals produced by tendons to promote the proper attachment of muscles to tendons, essential for proper locomotion. Previously, the repulsive protein Slit, secreted by tendon cells, has been proposed to be an attractant for muscle migratio...

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