Kids who try e-cigs are 12 times as likely to start smoking tobacco

Scientists have uncovered strong evidence of a so-called ‘gateway effect’, according to the first UK study of its kind.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news

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Authors: Oebel S, Hindricks G Abstract Syncope is a common problem in clinical practice, which affects approximately 1% of patients admitted to European emergency departments. The clinical practice guidelines for the diagnosis and management of syncope published by the European Society of Cardiology (ESC) are based on the newest scientific data in the field and have provided clinical cardiologists with a structured therapeutic approach for affected patients over many years. The previous ESC guidelines on syncope were published in 2009 and are compared to the most recent edition, which was published in 201...
Source: Herz - Category: Cardiology Tags: Herz Source Type: research
Mesenchymal stem cell therapy for heart failure: a meta-analysis. Herz. 2018 Oct 19;: Authors: Fu H, Chen Q Abstract BACKGROUND: Mesenchymal stem cell (MSC) treatment has emerged as an important adjunct therapy for heart failure. However, the use of MSC to treat heart failure has not been well established. We conducted a systematic review and meta-analysis to evaluate the efficacy of MSC treatment for heart failure. METHODS: PubMed, Embase, and the Cochrane Central Register of Controlled Trials were searched. Randomized controlled trials (RCTs) assessing the influence of MSC treatment on ...
Source: Herz - Category: Cardiology Tags: Herz Source Type: research
CONCLUSION: Although agathisflavone has been known in the literature since at least 1969, only 23 of the eligible articles found evaluated its possible therapeutic effects. The demonstrated biological activities of agathisflavone range from antiprotozoal to neurogenesis and neuroprotection, however, the molecule needs to be better studied at the in vivo and human level. PMID: 30342562 [PubMed - in process]
Source: J Pharm Pharm Sci - Category: Drugs & Pharmacology Authors: Tags: J Pharm Pharm Sci Source Type: research
CONCLUSIONS: The present study provides a working example of the applicability of functional PET imaging as a suitable tool to determine PK parameters in small animals. The comparative analysis in the current study demonstrates that it is feasible to use [18F]FDG PET and [18F]FAZA PET in the same model to analyze their blood PK parameters, and to estimate kinetic parameters for these tracers in tumor. This non-invasive imaging-based determination of tissue kinetic parameters facilitates translation from pre-clinical to clinical phases of drug development. This article is open to POST-PUBLICATION REVIEW. Registered rea...
Source: J Pharm Pharm Sci - Category: Drugs & Pharmacology Authors: Tags: J Pharm Pharm Sci Source Type: research
This study investigates the effect of annealing temperature (AT) on structure, morphology and optical properties of hydrothermally synthesized TiO2 nanocrystals. Selected-Area Diffraction (SAED) confirmed high quality monocrystals. XRD and Raman spectroscopy indicate only anatase and rutile phases. At high temperature, the (101) and (001) are preferred. PL emission peaks appear at 407, 416 and 493 nm, which can be attributed to photo-excited electron-hole pairs, band-edge excitons and oxygen vacancy defects, respectively. UV–Vis spectroscopy indicates that AT over the 200–600 °C temperature range causes...
Source: Physica E: Low dimensional Systems and Nanostructures - Category: Nanotechnology Source Type: research
Publication date: February 2019Source: Materials Science in Semiconductor Processing, Volume 90Author(s): Fatma Göde, Serdar ÜnlüAbstractWindow layers, cadmium sulfide (CdS) thin films were synthesized on tin doped indium oxide coated glass substrates (ITO) with two different temperatures of 85 °C and 90 °C and ammonium hydroxide concentration of 1 M and 9.96 M, respectively via the chemical bath deposition (CBD) method, while absorption layers, lead sulfide (PbS) thin film were deposited on ITO substrates at room temperature using the successive ionic layer absorption and reaction (SILAR) te...
Source: Materials Science in Semiconductor Processing - Category: Materials Science Source Type: research
Publication date: Available online 22 October 2018Source: Materials Science and Engineering: AAuthor(s): B.S. Gong, Z.J. Liu, Y.L. Wang, Z.J. Zhang, P. Zhang, H.C. Jiang, L.J. Rong, Z.F. ZhangAbstractAs high-strength aluminum alloy for traction beam of high-speed rail, the fatigue strength of A7N01 aluminum alloy is particularly critical for its industrial application. In order to improve the fatigue strength of this aluminum alloy, three kinds of A7N01 aluminum alloy with different Si content were selected. The result indicates that, with the increase of Si element content, the fatigue strength is enhanced monotonously an...
Source: Materials Science and Engineering: A - Category: Materials Science Source Type: research
Publication date: Available online 22 October 2018Source: Materials Chemistry and PhysicsAuthor(s): Lin Xu, Yang Yang, Shuhao Wang, Meishuan Li, Jingjun Xu, Yuhai Qian, Jun Zuo, Dahai ZhangAbstractTwo ZrB2-based composites, ZrB2-20SiC and ZrB2-20SiC-10MoSi2 (vol.%) were fabricated by hot pressing at 1900 °C for 1 h under 30 MPa. The effects of MoSi2 addition on the mechanical and anti-oxidation performances of ZrB2-20SiC composite were investigated. Compared with ZrB2-20SiC, the sinterability of ZrB2-20SiC-10MoSi2 was improved greatly, as the latter one achieved relatively fully dense bulk under the same sintering cond...
Source: Materials Chemistry and Physics - Category: Materials Science Source Type: research
Publication date: February 2019Source: Carbon, Volume 142Author(s): Yanli Nan, Bo Li, Xiaolong Song, Noriaki SanoAbstractWe firstly reveal the unique tendency in the capacitance of an electric double layer capacitor (EDLC) made of single-walled carbon nanohorns (SWCNHs), where there is an optimized value of specific surface area (SSA) to achieve the high capacitance value at a high charge-discharge rate. As a result, in the experimental observation, SWCNHs treated by oxidation in air at 550 °C can exhibit 963.4 m2/g of SSA and 286.6 F/g of EDLC capacitance, whereas the ones treated at 500 °C can exhibit 797...
Source: Carbon - Category: Materials Science Source Type: research
Publication date: Available online 22 October 2018Source: CarbonAuthor(s): Longhai Zhang, Jingming Yue, Tong Wei, Zheng Liu, Jiali Zhou, Chaoqun Liu, Han Jiang, Zimu Jiang, Zhuangjun FanAbstractDeveloping high volumetric capacity and long cycle-life anode materials to meet large-scale lithium-ion batteries (LIBs) still remains a great challenge. In the work, densely pillared holey-graphene block with high N-doping (P-NHG) has been successfully synthesized through thermal decomposition of (NH4)6Mo7O24 in-between stacked GO sheets. The dense graphene building block processes a high packing density of 2.53 g cm−3, h...
Source: Carbon - Category: Materials Science Source Type: research
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