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Jiangtao Hu,Qianhong Gao,Lu Xu,Minglei Wang,Maojiang Zhang,Kuo Zhang,Xiaojing Guo,Weihua Liu,Guozhong Wu 한국섬유공학회 2018 Fibers and polymers Vol.19 No.7
Herein we report a simple and reproducible method for fabricating highly durable and robust superhydrophobic and superoleophilic cotton fabrics via simultaneous radiation-induced graft polymerization of glycidyl methacrylate and subsequent chemical modifications with aminopropyltriethoxysilane and hexamethyldisilazane. The chemical structure and the surface topography of the pristine and the modified cotton fabrics were investigated in detail by ATR-FTIR, XPS, and 29Si NMR, and a grafting layer was successfully immobilized onto the surface of the cotton fabric by forming covalent bonds. Multi-dimensional surface roughness was created by combining micro-sized fibers of the cotton fabric, nanoscaled protuberances of the grafting chain, and molecular level spherical projection points of silicon methyl. The superhydrophobic cotton fabric exhibited long-term stability, ultra-high durability and robustness, and maintained its properties even after 25 wash cycles. The fabric also showed excellent water repellency with a water contact angle of 153 o and a high efficiency of oil/water separation (98 %). The superhydrophobic/superoleophilic cotton fabric developed in the present work exhibits important potential applications in superhydrophobic textiles and oil/water separation.
Jiangtao Lin,Huanying Wan,Jian Kang,Qianli Ma,Ping Chen,Meiling Jin,Haoyan Wang,Shuang Liu,Qinglin Hao,Yong Lin,Lin Su,Na Hu 대한천식알레르기학회 2019 Allergy, Asthma & Immunology Research Vol.11 No.4
Purpose: Asthma affects approximately 30 million patients in China; however, tiotropium data for Chinese patients is limited. This study aimed to assess the efficacy and safety of tiotropium in Chinese patients with moderate symptomatic asthma. Methods: A post hoc subgroup analysis was conducted on 430 Chinese patients pooled from two 24-week, replicate phase 3 trials (NCT01172808 and NCT01172821), in which they received once-daily tiotropium 2.5 μg (Tio R2.5) or 5 μg (Tio R5) (n = 106 or 109, respectively), twice-daily salmeterol 50 μg (Sal 50) (n = 110), or placebo (n = 105), while maintaining inhaled corticosteroids (ICS). The co-primary endpoints assessed in week 24 were forced expiratory volume in 1 second (FEV1) peak0–3h response, trough FEV1 response, and responder rate as assessed using the Asthma Control Questionnaire (ACQ). Results: For both FEV1 peak0–3h responses and trough FEV1 responses, the mean treatment differences were greater for Tio R2.5, Tio R5, and Sal 50 compared with placebo at 0.249 L, 0.234 L, and 0.284 L, and 0.172 L, 0.180 L, and 0.164 L, respectively (P< 0.001). The ACQ responder rate in placebo, Tio R2.5, Tio R5, and Sal 50 was 58.7%, 62.3%, 59.3%, and 69.1%, respectively. Furthermore, 11 (2.6%) of 430 patients had serious adverse events (Tio R5, n = 4; Tio R2.5, n = 1; Sal 50, n = 1; and placebo, n = 5). Conclusions: Once-daily tiotropium, as add-on to medium-dose ICS, was effective and well tolerated for Chinese patients with moderate symptomatic asthma, consistent with the main analysis.
Jiangtao Su,Meng Rao,Heshuang Dai,Le Cai,Fan Ye,Lu Ye,Yuchen Hu,Ban Chen,Xiaoxia Guo 한국고분자학회 2024 Macromolecular Research Vol.32 No.2
In this work, pH/GSH-responsive amphiphilic polymeric prodrug (EDA-GLA/CE/2-FPBA) was successfully prepared and could self-assembled into micelles in an aqueous solution. The EDA-GLA/CE/2-FPBA micelles possessed high stability in physiological condition and were pH and GSH sensitive due to the reversible borate ester bonds and disulfide bonds within the prodrug polymer. The structures of the prodrug polymers were characterized by NMR, FTIR, UV–vis spectroscopy. Transmission electron microscopy and dynamic light scattering measurement indicated that the resulting micelles have desirable size distribution and regular spherical shape. Free active Celastrol can be released under low pH and high GSH environment; In vitro cellular uptake and growth inhibition assays suggested that the blank polymer micelles showed good biocompatibility. EDA-GLA/CE/2-FPBA micelles were more efficiently internalized by monolayer tumor cells and demonstrated superior tumor targeting effects as compared to free Celastrol control. These results demonstrated that the novel prodrug self-assembled dual-responsive nano-delivery platform was able to improve the bioavailability and tumor targeting activity of Celastrol, which provides a basis for further clinical applications of Celastrol and its derivatives.