Freestanding flexible polypyrrole nanotube membrane for ammonia sensor

Micro & nano letters

article

Xiujuan Li¹  Ziqing Cai¹  Dong Fang¹  Chang Wang¹  Ruifang Zhang¹  Xingjie Lu²  Yuguang Li³  Weilin Xu¹ 

[1] Key Lab of Green Processing and Functional Textiles of New Textile Materials, Ministry of Education, College of Material Science and Engineering, Wuhan Textile University;Henan Institute of Metrology;School of Chemistry and Chemical Engineering, Wuhan Textile University

关键词: ammonia;    polymers;    nanotubes;    chemical sensors;    nanosensors;    chemical variables measurement;    membranes;    nanofabrication;    scanning electron microscopy;    transmission electron microscopy;    surface morphology;    polymerisation;    dissolving;    freestanding flexible polypyrrole nanotube membrane;    ammonia sensor;    self-sacrificed template method;    scanning electron microscopy;    SEM;    transmission electron microscopy;    TEM;    polymerisation;    sodium vanadate nanowires;    dissolving;    citric acid;    hydrofluoric acid;    temperature 293 K to 298 K;    NH3;   

DOI  :  10.1049/mnl.2017.0319

学科分类：计算机科学（综合）

来源: Wiley

【 摘 要 】

Background: Nuclear protein in testis (NUT) carcinoma (NC) is a rare tumour easily mistaken for a number of other tumours if a NUT immunohistochemical stain is not performed, and there is no high index of suspicion. This tumour is exceptionally aggressive, with only isolated survivors. Early identification and aggressive treatment are required. No research on NC has been conducted in South Africa and only one case has been reported from the rest of Africa. The incidence of this tumour in South Africa is, therefore, unknown. Aim: The aim of this study was to determine the incidence of NC over a 12-year period and describe the demographic features of any patients identified. Setting: Department of Anatomical Pathology, University of the Free State and National Health Laboratory Service (NHLS) in Bloemfontein, South Africa. Methods: In this retrospective study, all undifferentiated malignant tumours and tumours with evidence of squamous differentiation from the head, neck and thorax seen between 01 January 2005 and 31 December 2016 were included. Nuclear protein in testis immunohistochemical staining was performed on all specimens. The stain was regarded as positive if speckled nuclear staining was observed in more than 50% of the tumour cells. Results: In total, 498 cases were investigated, of which 424 (85.1%) belonged to male patients. The mean age of the patients was 58.6 years. Only one positive case, a 30-year-old woman with a lung mass and lymph node metastases, was identified. Conclusion: Our findings confirmed the rarity of NC. Additional research in other provinces and the private sector is recommended to provide a comprehensive patient profile of NC in South Africa.

【 授权许可】

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