Medical contrast media as possible tools for SAXS contrast variation [PDF]
IUCrJ, 2019 Small-angle X-ray scattering (SAXS) is increasingly used to extract structural information from a multitude of soft-matter and biological systems in aqueous solution, including polymers, detergents, lipids, colloids, proteins and RNA/DNA.
Frank Gabel +3 more
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Measuring the counterion cloud of soft microgels using SANS with contrast variation [PDF]
Nature Communications, 2023 The behavior of microgels and other soft, compressible colloids depends on particle concentration in ways that are absent in their hard-particulate counterparts.
Boyang Zhou +2 more
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Effect of Luminance and Contrast Variation on Stereoacuity Measurements Using Smartphone Technology [PDF]
Journal of Ophthalmology, 2021 Owing to the limitations of printed stereoacuity tests, the effects of luminance and contrast on stereopsis have not yet been sufficiently investigated, despite its important implications in designing stereoacuity measuring instruments, particularly for ...
Lu Liu +3 more
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DENSS-multiple: A structure reconstruction method using contrast variation of small-angle neutron scattering based on the DENSS algorithm [PDF]
BBA Advances, 2022 The 3D structure of biomacromolecules, such as protein and DNA/RNA, provide keys to understanding their biological functions. Among many structural biology techniques, small-angle scattering techniques with ab initio methods have been widely used to ...
Jacob Sumner, Shuo Qian
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Contrast variation method applied to structural evaluation of catalysts by X-ray small-angle scattering [PDF]
Scientific ReportsIn the process of developing carbon-supported metal catalysts, determining the catalyst particle-size distribution is an essential step, because this parameter is directly related to the catalytic activities.
Albert Mufundirwa +5 more
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The Multilevel Structure of Sulfonated Syndiotactic-Polystyrene Model Polyelectrolyte Membranes Resolved by Extended Q-Range Contrast Variation SANS [PDF]
Membranes, 2019 Membranes based on sulfonated synditoactic polystyrene (s-sPS) were thoroughly characterized by contrast variation small-angle neutron scattering (SANS) over a wide Q-range in dry and hydrated states.
Maria-Maddalena Schiavone +3 more
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Rhotic variation and contrast in veracruz Mexican Spanish
Estudios de Fonética Experimental, 2012 Phonetic studies of Spanish rhotics report a wide range of allophonic variants of the syllable-initial trill /r/, which raises the question of whether the intervocalic contrast between /r/ and the tap /ɾ/ has been neutralized in many dialects. This
Travis G. Bradley, Erik W. Willis
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Contrast improvement of backscatter x-ray images by total variation method [PDF]
مجله علوم و فنون هستهای, 2023 The basis of backscatter X-ray imaging systems is the scattering of backscattered rays that have many applications in industry and inspection. In these images, organic materials with low atomic numbers, such as drugs and explosives, produce many ...
M. Azimi +6 more
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Small-Angle Neutron Scattering for Studying Lipid Bilayer Membranes
Biomolecules, 2022 Small-angle neutron scattering (SANS) is a powerful tool for studying biological membranes and model lipid bilayer membranes. The length scales probed by SANS, being from 1 nm to over 100 nm, are well-matched to the relevant length scales of the bilayer,
William T. Heller
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Contextual and Variational Contrast Enhancement [PDF]
IEEE Transactions on Image Processing, 2011 This paper proposes an algorithm that enhances the contrast of an input image using interpixel contextual information. The algorithm uses a 2-D histogram of the input image constructed using a mutual relationship between each pixel and its neighboring pixels.
Turgay Çelik 0001, Tardi Tjahjadi
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