Results 81 to 90 of about 463,519 (308)
Negative frequencies in pulse propagation equations and the double analytic signal
In recent years, the topic of negative frequencies has resurfaced in optics motivated by the optical analogue of Hawking radiation. We discuss the physical meaning of negative frequencies and the conditions under which they are relevant.
Raul Aguero-Santacruz, David Bermudez
doaj +1 more source
Transformation optics, isotropic chiral media and non-Riemannian geometry
Copyright © 2011 IOP Publishing Ltd and Deutsche Physikalische GesellschaftOpen Access journalArticle published under a Creative Commons Attribution 3.0 Unported (CC-BY) licenseThe geometrical interpretation of electromagnetism in transparent media ...
Horsley, S. A. R. +2 more
core +1 more source
Degradation mechanism of the von Willebrand factor A2 domain by nattokinase
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto +3 more
wiley +1 more source
Waveguide-Mode Sensors as Aptasensors
Aptamers are artificial nucleic acid ligands that can be generated by in vitro selection through partition and amplification. Aptamers can be generated against a wide range of biomolecules through the formation of versatile stem-loop structures.
Makoto Fujimaki +2 more
doaj +1 more source
Optics in Energy: the power of optical solutions
Editorial for the inaugural issue of Energy Express.
openaire +4 more sources
Modulation of Homer1 EVH1 domain internal dynamics by putative autism‐associated mutations
The putative autism‐associated M65I and S97L variants of the EVH1 domain of the postsynaptic scaffold protein Homer1 do not exhibit substantial changes in their overall structure or partner binding. Both of them, but especially the M65I variant, show altered internal dynamics relative to the wild‐type domain on the μs‐ms timescale, indicated by the ...
Fanni Farkas +6 more
wiley +1 more source
Adaptive multilayer optics for extreme ultraviolet wavelengths [PDF]
In this thesis we describe the development of a new class of optical components to enhance the imaging performance by enabling adaptations of the optics.
Bayraktar, Muharrem +1 more
core +1 more source
Large lightweight segmented mirrors for adaptive optics
Paper 70153UThis paper examines the possibility of constructing deformable mirrors for adaptive optics with a large number of degrees of freedom, by assembling segmented silicon mirrors with bimorph piezoelectric actuation.
Preumont, A. +7 more
core +1 more source
Electron transfer between complexes III and IV in S. cerevisiae mitochondrial membranes
Mitochondrial oxidative phosphorylation in S. cerevisiae mitoplasts is limited by complex IV catalytic capacity, rather than two‐dimensional cytochrome c diffusion. At physiological cytochrome c : supercomplex ratios at salinity equivalent to that of 20 mm monovalent salt, activity is maximized, indicating that this low ionic strength accurately mimics
Ana Paula Lobez +2 more
wiley +1 more source
This article deals with the basis of visual acuity and the Snellen's Chart. The principles of trigonometry are applied in order to break down the science behind the Chart, and the laws of optics and refraction are used to build back the chart from ...
Fayiqa Ahmed Bahkir
doaj +1 more source

