' Wombs for Rent' Business Flourishes in Communist Laos'Wombs for Rent' Business Flourishes in Communist Laos

Dozens of fertility clinics have mushroomed in land-locked Laos after scandals over commercial surrogacy have spurred wealthier southeast Asian neighbors to ban the controversial procedure since 2015.Reuters Health Information
Source: Medscape Medical News Headlines - Category: Consumer Health News Tags: Medscape Today News Source Type: news

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Publication date: Available online 25 May 2019Source: Journal of Materials Research and TechnologyAuthor(s): Hassan Shokry HassanAbstractNano-zirconium tungsto-vanadate cation exchange material was constructed in different morphological structures using sol–gel, hydrothermal and microwave techniques in presence of polymeric matrix as stabilizing agent. Polyvinyl alcohol was established as the optimum stabilizing agent. Influence of preparation parameters in presence of polyvinyl alcohol was examined as a function of ion exchange capacity and surface area for the prepared materials. The optimum reactant molar ratio wa...
Source: Journal of Materials Research and Technology - Category: Materials Science Source Type: research
Publication date: Available online 25 May 2019Source: Journal of Materials Research and TechnologyAuthor(s): Yassine Ennaciri, Hanan El Alaoui-Belghiti, Mohammed BettachAbstractThis paper proposes a very attractive process for K2SO4 production via the wet conversion of phosphogypsum (PG) and K2CO3. A parallel study of the conversion of two synthetic types of gypsum by K2SO4 was performed in order to compare their reactivity with that of PG.We remark that PG is more reactive and yields the desired results while commercial types of gypsum react slowly and generate unwanted secondary products. The factors affecting the PG con...
Source: Journal of Materials Research and Technology - Category: Materials Science Source Type: research
Publication date: Available online 25 May 2019Source: Journal of Materials Research and TechnologyAuthor(s): Adawiya J. Haider, Riyad Al- Anbari, Hiba M. Sami, Mohammed J. HaiderAbstractIn this work, synthesis of nickel oxide (NiO) using nickel acetate as a starting material by sol–gel method and then deposited as collide on glass slides to form thin layers of NiO by spin-coating technique with high photo-catalytic activity using as self cleaning coating. These films of NiO were annealed at different temperature 450 °C, 550 °C. The structural, morphological, spectral and optical properties of prepar...
Source: Journal of Materials Research and Technology - Category: Materials Science Source Type: research
Publication date: Available online 25 May 2019Source: Journal of Materials Research and TechnologyAuthor(s): Xing Li, Feng Rao, Shaoxian Song, Qinyong MaAbstractIn this research, metakaolin-based geopolymers were synthesized to study their deterioration in marine environment. The geopolymers were exposed in air, seawater, dry-wet and heat-cool cycles of seawater for 30, 60 and 90 days. The mechanical property of the geopolymers was characterized through compressive strength measurements, and their microstructures were measured by X-ray diffraction (XRD), scanning electron microscope (SEM) and nuclear magnetic resonance (NM...
Source: Journal of Materials Research and Technology - Category: Materials Science Source Type: research
This study showed that zeolite NaA can be produced in shorter times through the synthesis route used. The production of zeolite NaA from kaolin waste could be an excellent way to minimize environmental impacts and decrease processing costs.
Source: Journal of Materials Research and Technology - Category: Materials Science Source Type: research
The Scandinavian Guidelines for Initial Management of Minimal, Mild, and Moderate Head Injuries in Adults (Scandinavian guidelines) are the first to incorporate serum measurement of the S100 astroglial calcium-binding protein B (S100B) to emergency departm...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
Publication date: Available online 25 May 2019Source: International Journal of PharmaceuticsAuthor(s): Yi Zhen Tan, Yi Qi Chong, Emerlyn Khong, Yun Khoon Liew, Norman ChiengAbstractLive attenuated Mycobacterium bovis (M. bovis), marketed as Bacille Calmette-Guérin is the only FDA-approved vaccine against tuberculosis. The prerequisite of cold chain storage between 2 to 8 °C hinders the global vaccination effort. The study aims to investigate the effect of trehalose, sucrose and glycerol combinations in enhancing the stability of M. bovis. The bacilli were formulated in various ratios of trehalose-glycerol, sucro...
Source: International Journal of Pharmaceutics - Category: Drugs & Pharmacology Source Type: research
Publication date: October 2019Source: Materials Science and Engineering: C, Volume 103Author(s): Renad S. El-Kamel, Azza A. Ghoneim, Amany M. FekryAbstractGraphene oxide nanoparticles/polythreonine polymer as a nano-coating on AZ91E Mg alloy was considered as a new temporary implant for gastrectomy applications. This coating as a novel one is decomposable and has bio-viability possessions. Various electrochemical measurements were utilized for corrosion performance estimation of Mg alloy in peritoneal fluid with time of dipping. It was recognized that the nano-coating is fixed for 20 days giving unexpected high corrosion...
Source: Materials Science and Engineering: C - Category: Materials Science Source Type: research
Publication date: Available online 25 May 2019Source: Materials Chemistry and PhysicsAuthor(s): Yannan He, Jiacheng Wu, Dacheng Qiu, Zhiqiang YuAbstractHeat treatment of rigid polyurethane foam (RPUF) was performed at different temperature. The failure degrees of treated RPUF were evaluated by the characterization of tensile properties. The failure process and mechanism of RPUF was further analyzed by thermo gravimetric analysis (TGA), differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FT-IR). Experimental results showed that the untreated RPUF maintained the optimal tensile strength and m...
Source: Materials Chemistry and Physics - Category: Materials Science Source Type: research
Publication date: Available online 25 May 2019Source: Materials Chemistry and PhysicsAuthor(s): Lucio Scandola, Saverio Latorrata, Roberto Matarrese, Cinzia Cristiani, Isabella NovaAbstractPhotoanodes for water-splitting applications were produced by coating acid-treated Ti slabs using an aqueous dispersion of TiO2, polyvinyl alcohol and glycerol. Such components were adjusted to achieve a lower viscosity at a 10 s−1 shear rate, considered as representative of the dip-coating application, for the sake of reducing the final coating thickness while increasing its quality.A correlation was found between the thickness of...
Source: Materials Chemistry and Physics - Category: Materials Science Source Type: research
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