Efficient exfoliation of molybdenum disulphide nanosheets by a high-pressure homogeniser

Micro & nano letters

article

Jingqi Shang¹  Feng Xue¹  Enyong Ding¹ 

[1] College of Materials Science and Engineering, South China University of Technology

关键词: molybdenum compounds;    nanostructured materials;    high-pressure effects;    solvent effects;    atomic force microscopy;    X-ray diffraction;    transmission electron microscopy;    nanofabrication;    semiconductor growth;    molybdenum disulfide nanosheets;    high-pressure homogeniser;    pure solvents;    centrifugation;    structure;    morphology;    atomic force microscopy;    X-ray diffraction;    transmission electron microscopy;    water;    alcohol;    liquid-phase exfoliation;    layered materials;    pressure 100 MPa;    time 10 min;    MoS2;   

DOI  :  10.1049/mnl.2015.0173

学科分类：计算机科学（综合）

来源: Wiley

【 摘 要 】

Background and aims: In order to reduce endotracheal tube (ETT) induced emergence phenomenon at extubation which involves postoperative sore throat (POST), cough, hoarseness, dysphagia and hemodynamic changes, we evaluated the efficacy of vegetable gum based (VGB) Lubic gel lubrication alone or in combination with 4% intracuff alkalinized lignocaine (IAL). The vegetable gums in the gel appear to be of special significance. Methodology: 100 patients undergoing surgical procedures under general anesthesia were randomly allocated to 4 groups of 25 each. In Group C (control group) patients, the ETT cuffs were inflated with air and lubricated with normal saline. In Group G, the cuffs were inflated with air, while in Group L and LG, cuffs were filled with IAL. The Group G and LG cuffs were lubricated with VGB lubricant gel while Group L cuffs were lubricated with normal saline. During the post-extubation period POST was studied using Visual Analogue Scale (VAS) at 15 min, 1, 2, 3 and 24 h. Incidence of cough, dysphagia, hoarseness and hemodynamic changes was recorded and compared. Results: The mean VAS scores for POST were found to be the least in Group LG (12.6 ± 7.08) compared to Groups C (33.8 ± 9.38), G (32.52 ± 2.11) and Group L (21.6 ± 12.30) over 24 h. Incidence of cough, dysphagia, hoarseness and hemodynamic changes was least in Group LG compared to others.

【 授权许可】

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