The relationship between hole size and the voltage-driven formation of surface structures in an ITO/liquid crystal polymer/perforated metal electrode system

Publication date: Available online 17 February 2020Source: Journal of Physics and Chemistry of SolidsAuthor(s): Laurens T. de Haan, Eser M. Akinoglu, Guofu ZhouAbstractA device consisting of a multidomain liquid crystal polymer network sandwiched between a continuous electrode and a perforated silver electrode shows strong surface deformations upon application of an electric field between the electrodes. Here, a new method is presented for the preparation of such a device, in which a silver film with circular holes of a well-controlled diameter was made by evaporating silver onto a monolayer of polystyrene spheres. Due to multilayer defects of the polystyrene microparticle lithography template, larger combined holes were present, which provided interesting information about the effect of pore size on the deformation behavior. The results were compared to an electrostatic field distribution, from which the conclusion could be drawn that there is a minimum hole size that allows deformation. This knowledge is important for the development of applications for this kind of device, as the aspect ratio of the deformations is of crucial importance for effects such as switchable wetting and self-cleaning.
Source: Journal of Physics and Chemistry of Solids - Category: Physics Source Type: research

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ConclusionsGradient washout has not been widely reported in humans, although it has been observed in the mammalian kidneys after prolonged polyuria. Although not a problem with aquaporin protein expression or production, gradient washout causes a different type of secondary nephrogenic diabetes insipidus because the absence of a medullary gradient impairs water reabsorption. We report a case of an infant who developed complex water and sodium imbalances after brain injury. Prolonged polyuria resulting from both water and solute diuresis with low enteral protein intake was thought to cause a urea gradient washout and second...
Source: Journal of Medical Case Reports - Category: General Medicine Source Type: research
Publication date: 15 December 2020Source: Journal of Molecular Liquids, Volume 320, Part BAuthor(s): Mi Zhang, Bo Ning, Yanyun Bai, Xiumei Tai, Guoyong Wang
Source: Journal of Molecular Liquids - Category: Molecular Biology Source Type: research
Publication date: February 2021Source: Current Opinion in Colloid &Interface Science, Volume 51Author(s): Alexander L. Yarin
Source: Current Opinion in Colloid and Interface Science - Category: Chemistry Source Type: research
Soft Matter, 2020, Accepted Manuscript DOI: 10.1039/D0SM01416H, PaperMichael Angelo Y.-H. Lam, Lou Kondic, Linda Jane Cummings Partially wetting nematic liquid crystal (NLC) films on substrates are unstable to dewetting-type instabilities due to destablizing solid/NLC interaction forces. These instabilities are modified by the nematic nature of the... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Soft Matter latest articles - Category: Chemistry Authors: Source Type: research
We are supporting theThe Pituitary Foundation’s campaign to change the name of diabetes insipidus to‘pituitary insipidus - desmopressin dependent’ (PIDD).The term‘diabetes insipidus’ is very often mistaken for diabetes mellitus by health care professionals (HCPs) and the general public. Although both conditions share the term‘diabetes’, they are completely unrelated and mean very different things.The challenge for diabetes insipidus patients is when they need hospital attention (A&E, surgery, or on a hospital ward). Many HCPs are unaware of DI and assume the patient has di...
Source: Society for Endocrinology - Category: Endocrinology Source Type: news
ACS NanoDOI: 10.1021/acsnano.0c03999
Source: ACS Nano - Category: Nanotechnology Authors: Source Type: research
a D Abstract The rising demand for clean water for a growing and increasingly urban global population is one of the most urgent issues of our time. Particularly, the increasing generation of wastewater by cities and industrial sources requires the development of novel platforms for separating contaminants such as oils. Here, we introduce the synthesis of a unique nanoscale architecture of pillar-like Co-CAT-1 metal-organic framework (MOF) crystallites on gold-coated woven stainless steel meshes with large, 50 µm apertures. These nanostructured mesh surfaces feature superhydrophilic and underwater superoleoph...
Source: Angewandte Chemie - Category: Chemistry Authors: Tags: Angew Chem Int Ed Engl Source Type: research
Publication date: 2020Source: NeuroImage: Clinical, Volume 28Author(s): Hongbin Sun, Bing Xue, Miao Peng, Hongwei Ma, Bing Yu, Yang Hou, Qiyong Guo
Source: NeuroImage: Clinical - Category: Radiology Source Type: research
Authors: Prgomet S, Saraga M, Benzon S, Turudić D, Ledina D, Milošević D Abstract PURPOSE: The aim of the study was to describe clinical characteristics and bladder assessment in children with Non-Monosymptomatic Nocturnal Enuresis (NMNE) in coastal region of Croatia. MATERIALS AND METHODS: Records on 85 patients with NMNE were retrospectively reviewed. Bladder assessments were performed in all children. In this research we: (i) compare clinical characteristics and features of bladder assessment: uroflowmetry, post void residuals (PVR) and bladder wall thickness between boys and girls with NMNE and we ...
Source: Acta Medica: Hradec Kralove - Category: General Medicine Tags: Acta Medica (Hradec Kralove) Source Type: research
J. Mater. Chem. A, 2020, Accepted Manuscript DOI: 10.1039/D0TA06625G, CommunicationGuangyan Chen, Yanan Wang, Yujia Wang, Hanzhong Xiao, Xin Huang, Bi Shi Superwetting materials show great promise in emulsion separation. Herein, we developed superhydrophilic collagen fibers (CFs) by surface decoration of CFs with Zr4+, which were effective for dual separation of oil-in-water... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - J. Mater. Chem. latest articles - Category: Chemistry Authors: Source Type: research
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