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Xia W, Anwar A, Wang L, Cao Z, Li B, Nie K, Zhou C, Zhang Y, Han G, Jiang W, Ben H, Zhao T. Microwave-assisted solid-state pretreatment for fabrication of hemp fibres using ethanolamine at low temperature. Carbohydr Polym 2024; 332:121906. [PMID: 38431392 DOI: 10.1016/j.carbpol.2024.121906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/22/2024] [Accepted: 01/31/2024] [Indexed: 03/05/2024]
Abstract
Conventional methods faced challenges in pretreating natural cellulose fibres due to their high energy consumption and large wastewater drainage. This research devised an efficient solid-state pretreatment method for pretreating hemp fibres using ethanolamine (ETA) assisted by microwave (MW) heating. This method produced a notable removal rate of lignin (85.4 %) with the highest cellulose content (83.0 %) at a high solid content (30 %) and low temperature (70 °C). Both FT-IR and XRD analyses indicated that the pretreatment did not alter the structure of cellulose within the hemp fibres but increased crystallinity as the CrI increased from 84 % in raw hemp fibre to 89 % in pretreated fibre. As a result, it produced hemp fibres with impressive fineness (4.6 dtex) and breaking strength (3.81 cN/dtex), meeting the requirement of textile fibre. In addition, an improvement in glucose concentration (15.6 %) was observed in enzymatic hydrolysis of the MW pretreated hemp fibres compared to the fibres pretreated without MW. Furthermore, the FT-IR and NMR data confirmed that the amination of lignin occurred even at low temperature, which contributed to the high lignin removal rate. Thus, this study presents a potentially effective energy-saving, and environmentally sustainable solid-state method for pretreating hemp fibres.
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Affiliation(s)
- Wenying Xia
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Almas Anwar
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Lingyu Wang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Zhihao Cao
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Boya Li
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Kai Nie
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China; College of Textile, Donghua University, Shanghai 201620, China
| | - Chengfeng Zhou
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Yuanming Zhang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Guangting Han
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Wei Jiang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Haoxi Ben
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China.
| | - Tao Zhao
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China.
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Qiao X, Li L, Liu Q, Zhang Y, Han G, Ben H, Zhao H, Jiang W. Determination of carbohydrate content in kenaf degumming wastewater and converting them to carbon dots. Int J Biol Macromol 2024; 265:130952. [PMID: 38499119 DOI: 10.1016/j.ijbiomac.2024.130952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/08/2024] [Accepted: 03/15/2024] [Indexed: 03/20/2024]
Abstract
The traditional textile degumming process produces abundant wastewater, which contains a lot of monosaccharides and oligosaccharides. It is of great economic and environmental significance to utilize these carbohydrates in high value. In this study, high performance liquid chromatography (HPLC) was used to analyze the carbohydrate components in kenaf degumming wastewater, and then the production of C-dots using the wastewater was explored. The results showed that the types and content in the degumming wastewater were monosaccharides (glucose, xylose and arabinose) and oligosaccharides (dextran, xylan and araban). The carbohydrate (mainly glucan and xylan) content in wastewater accounted for 91.16 % of the total carbohydrates weight loss in kenaf degumming process. By using hydrolysis and hydrothermal reaction on kenaf degumming wastewater, blue-green carbon dots (C-dots) with good performance were prepared and successfully applied to anti-counterfeiting printing. In particular, the as-prepared C-dots prepared from kenaf degumming wastewater with urea added (WUC-dots) showed an excitation-dependent photoluminescence (PL) spectrum and quantum yield (QY) of 2.4 % in aqueous solution. The fluorescent code exhibited a clear outline, excitation-tunable color and good stability, showing a great potential for anti-counterfeiting system.
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Affiliation(s)
- Xiaolong Qiao
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Linlin Li
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Qiulian Liu
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Yuanming Zhang
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Guangting Han
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Haoxi Ben
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Haiguang Zhao
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
| | - Wei Jiang
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
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Guo M, Zhou C, Cui Y, Jiang W, Han G, Jiang Z, Ben H, Yang X. Sustainable Production of Lactic Acid from Cellulose Using Au/W-ZnO Catalysts. Polymers (Basel) 2023; 15:4235. [PMID: 37959915 PMCID: PMC10647521 DOI: 10.3390/polym15214235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 10/20/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
The catalytic conversion of cellulose to lactic acid (LA) has garnered significant attention in recent years due to the potential of cellulose as a renewable and sustainable biomass feedstock. Here, a series of Au/W-ZnO catalysts were synthesized and employed to transform cellulose into LA. Through the optimization of reaction parameters and catalyst compositions, we achieved complete cellulose conversion with a selectivity of 54.6% toward LA over Au/W-ZnO at 245 °C for 4 h. This catalyst system also proved effective at converting cotton and kenaf fibers. Structural and chemical characterizations revealed that the synergistic effect of W, ZnO, and Au facilitated mesoporous architecture generation and the establishment of an adequate acidic environment. The catalytic process proceeded through the hydrolysis of cellulose to glucose, isomerization to fructose, and its subsequent conversion to LA, with glucose isomerization identified as the rate-limiting step. These findings provide valuable insights for developing high-performance catalytic systems to convert cellulose.
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Affiliation(s)
| | | | | | | | | | - Zhan Jiang
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles and Clothing, Qingdao University, Qingdao 266071, China; (M.G.); (C.Z.); (Y.C.); (W.J.); (G.H.)
| | - Haoxi Ben
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles and Clothing, Qingdao University, Qingdao 266071, China; (M.G.); (C.Z.); (Y.C.); (W.J.); (G.H.)
| | - Xiaoli Yang
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles and Clothing, Qingdao University, Qingdao 266071, China; (M.G.); (C.Z.); (Y.C.); (W.J.); (G.H.)
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Tian S, Liu Y, Mao X, Xu X, Wang C, Han G, Yang Y, Wang J, He SM, Zhang W. A Multicenter Study on Deep Learning for Glioblastoma Auto-Segmentation with Prior Knowledge in Multimodal Imaging. Int J Radiat Oncol Biol Phys 2023; 117:e488. [PMID: 37785541 DOI: 10.1016/j.ijrobp.2023.06.2299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) A precise radiotherapy plan is required to ensure accurate delineation of gross tumor volumes (GTV) and clinical target volumes (CTV1 and CTV2) of glioblastomas (GBMs). However, traditional manual delineation is labor intensive and highly dependent on oncologists' experience. To construct and evaluate a deep learning-based automatic delineation method using prior knowledge in multimodal medical imaging to automate precise GTV, CTV1 and CTV2 contouring in GBM patients. MATERIALS/METHODS We retrospectively collected the CT and MRI scans of 55 eligible patients with histologically proven high-grade glioma (HGG) from an institute, these scans were performed with non-enhanced CT (CT), contrast-enhanced T1-weighted (T1C) and T2-FLAIR (T2F) sequences. We proposed a two-stage automatic segmentation framework (PKMI-Net) for GTV, CTV1 and CTV2 based on deep learning using prior knowledge in multimodal medical imaging, and its segmentation performance was evaluated with dice similarity coefficient (DSC), 95% Harsdorff distance (HD95), average surface distance (ASD) and relative volume difference (RVD). To further investigate the generalizability of our method, we designed and conducted two evaluation strategies (Mix and Cross) on four multicenter datasets (including 55 patients, 37 patients, 21 patients and 35 patients). RESULTS The evaluation results with an 11-patient test set from the single institute were summarized in Table 1, the proposed method demonstrated the best accuracy in segmenting, respectively, GTV, CTV1 and CTV, achieving a DSC of 0.94, 0.95 and 0.92; HD95 of 2.07 mm, 1.18 mm and 3.80 mm; ASD of 0.69 mm, 0.39 mm and 1.13 mm and RVE of 5.50%, 3.97% and 9.68%. In the multicenter evaluation, the segmentation performance of our method implemented with the Cross strategy was comparable to that with the Mix strategy, demonstrating that our method had high and stable generalizability across multicenter datasets in automatically segmenting GTV, CTV1 and CTV2. CONCLUSION Our proposed method achieved promising results in automatically segmenting gliomas across various datasets, which could improve the quality and efficiency of glioblastoma radiotherapy.
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Affiliation(s)
- S Tian
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
| | - Y Liu
- United Imaging Research Institute of Innovative Medical Equipment, Shenzhen, China
| | - X Mao
- Radiotherapy Center, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - X Xu
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - C Wang
- Department of Oncology, Sanya Central Hospital, Sanya, China
| | - G Han
- Department of Radiation Oncology, Hubei Cancer Hospital, Wuhan, China
| | - Y Yang
- Department of Radiation Oncology, Peking University International Hospital, Beijing, China
| | - J Wang
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
| | - S M He
- United Imaging Research Institute of Intelligent Imaging, Beijing, China
| | - W Zhang
- Shanghai United Imaging Healthcare Technology Co., Ltd, ShangHai, China
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Yang X, Duan H, Wang R, Zhao F, Jin F, Jiang W, Han G, Guan Q, Ben H. Tailoring Zeolite L-Supported-Cu Catalysts for CO 2 Hydrogenation: Insights into the Mechanism of CH 3OH and CO Formation. Inorg Chem 2023; 62:13419-13427. [PMID: 37552876 DOI: 10.1021/acs.inorgchem.3c01763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
The utilization of Cu-based catalysts in CO2 conversion into valuable chemicals is of significant interest due to their potential in mitigating greenhouse gas emissions. However, the controllable design of Cu-based catalysts and the regulation of their mechanism remain challenging. In this study, a series of efficient Cu/L catalysts were prepared for this process, and the intrinsic influencing factors on the reaction routes were systematically revealed. Various techniques revealed that Cu particles in L-supported catalysts exhibited higher dispersion and formed Cu-O(OH)-K interfacial sites. However, with increasing Cu loading, the dispersion of Cu particles and the percentage of Cu-O(OH)-K interfaces decreased. Kinetic investigations revealed that the adsorption configuration and electronic structure of Cu species codetermined the reaction pathways and resulting selectivity. Cu/L catalysts possessing Cu-O(OH)-K interfaces and small particles demonstrated the preferential formation of formate species, promoting methanol formation. However, larger Cu particles generated carboxylate intermediates, resulting in higher CO selectivity..
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Affiliation(s)
- Xiaoli Yang
- College of Textiles and Clothing, State Key Laboratory of BioFibers and Eco-textiles, Qingdao University, Qingdao 266071, China
| | - Hongmin Duan
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Ruifeng Wang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Fengwang Zhao
- College of Textiles and Clothing, State Key Laboratory of BioFibers and Eco-textiles, Qingdao University, Qingdao 266071, China
| | - Fayi Jin
- College of Textiles and Clothing, State Key Laboratory of BioFibers and Eco-textiles, Qingdao University, Qingdao 266071, China
| | - Wei Jiang
- College of Textiles and Clothing, State Key Laboratory of BioFibers and Eco-textiles, Qingdao University, Qingdao 266071, China
| | - Guangting Han
- College of Textiles and Clothing, State Key Laboratory of BioFibers and Eco-textiles, Qingdao University, Qingdao 266071, China
| | - Qingxin Guan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
| | - Haoxi Ben
- College of Textiles and Clothing, State Key Laboratory of BioFibers and Eco-textiles, Qingdao University, Qingdao 266071, China
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6
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Sun C, Wang C, Xie H, Han G, Zhang Y, Zhao H. 2D Cobalt Chalcogenide Heteronanostructures Enable Efficient Alkaline Hydrogen Evolution Reaction. Small 2023; 19:e2302056. [PMID: 37186343 DOI: 10.1002/smll.202302056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/28/2023] [Indexed: 05/17/2023]
Abstract
The development of high-efficiency non-precious metal electrocatalysts for alkaline electrolyte hydrogen evolution reactions (HER) is of great significance in energy conversion to overcome the limited supply of fossil fuels and carbon emission. Here, a highly active electrocatalyst is presented for hydrogen production, consisting of 2D CoSe2 /Co3 S4 heterostructured nanosheets along Co3 O4 nanofibers. The different reaction rate between the ion exchange reaction and redox reaction leads to the heterogeneous volume swelling, promoting the growth of 2D structure. The 2D/1D heteronanostructures enable the improved the electrochemical active area, the number of active sites, and more favorable H binding energy compared to individual cobalt chalcogenides. The roles of the different composition of the heterojunction are investigated, and the electrocatalysts based on the CoSe2 /Co3 S4 @Co3 O4 exhibited an overpotential as low as 165 mV for 10 mA cm-2 and 393 mV for 200 mA cm-2 in 1 m KOH electrolyte. The as-prepared electrocatalysts remained active after 55 h operation without any significant decrease, indicating the excellent long-term operation stability of the electrode. The Faradaic efficiency of hydrogen production is close to 100% at different voltages. This work provides a new design strategy toward Co-based catalysts for efficient alkaline HER.
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Affiliation(s)
- Changchun Sun
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Chao Wang
- School of Environmental and Material Engineering, Yantai University, No. 30 Qingquan Road, Yantai, 264005, P. R. China
| | - Haijiao Xie
- Hangzhou Yanqu Information Technology Co., Ltd., Xihu District, Hangzhou, Zhejiang, 310003, P. R. China
| | - Guangting Han
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Yuanming Zhang
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Haiguang Zhao
- College of Textiles & Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, P. R. China
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7
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Dong T, Ye H, Wang W, Zhang Y, Han G, Peng F, Lou CW, Chi S, Liu Y, Liu C, Lin JH. A sustainable layered nanofiber/sheet aerogels enabling repeated life cycles for effective oil/water separation. J Hazard Mater 2023; 454:131474. [PMID: 37116327 DOI: 10.1016/j.jhazmat.2023.131474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 04/06/2023] [Accepted: 04/21/2023] [Indexed: 05/19/2023]
Abstract
Discarded oil-containing absorbents, which has been used in handling oil spills, are tricky to deal with and have rose global environmental concerns regarding release of microplastics. Herein, we developed a facile strategy to fabricate sustainable absorbents by a gas-inflating method, through which 2D electrospinning polycaprolactone nanofiber membranes were directly inflated into highly porous 3D nanofiber/sheet aerogels with layered long fiber structure. The membranes were inflated rapidly from a baseline porosity of 81.98% into 97.36-99.42% in 10-60 min. The obtained aerogels were further wrapped with -CH3 ended siloxane structures using CH3SiCl3. This hydrophobic absorbent (CA ≈ 145°) could rapidly trap oils from water with sorption range of 25.60-42.13 g/g and be recycled by simple squeeze due to its mechanical robustness. As-prepared aerogels also showed high separation efficiency to separate oils from both oil/water mixtures and oil-in-water emulsions (>96.4%). Interestingly, the oil-loaded absorbent after cleaning with absolute ethanol could be re-dissolved in selected solvents and promptly reconstituted by re-electrospinning and gas-inflation. The reconstituted aerogels were used as fire-new oil absorbents for repeated life cycles. The novel design, low cost and sustainability of the absorbent provides an efficient and environmentally-friendly solution for handling oil spills.
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Affiliation(s)
- Ting Dong
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao, PR China.
| | - Huabiao Ye
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Wenhui Wang
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Yuanming Zhang
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Guangting Han
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Fudi Peng
- Fujian Aton Advanced Materials Science and Technology Co., Ltd, Fujian 350304, PR China
| | - Ching-Wen Lou
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Department of Bioinformatics and Medical Engineering, Asia University, Taichung City 413305, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung City 404333, Taiwan
| | - Shan Chi
- Bestee Material Co., Ltd., Qingdao, Shandong 266001, PR China
| | - Yanming Liu
- Sinotech Academy of Textile Co., Ltd., Qingdao, Shandong 266001, PR China
| | - Cui Liu
- Qingdao Byherb New Material Co., Ltd., Qingdao, Shandong 266001, PR China
| | - Jia-Horng Lin
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407102, Taiwan; School of Chinese Medicine, China Medical University, Taichung City 404333, Taiwan.
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8
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Wang W, Lin JH, Guo J, Sun R, Han G, Peng F, Chi S, Dong T. Biomass Chitosan-Based Tubular/Sheet Superhydrophobic Aerogels Enable Efficient Oil/Water Separation. Gels 2023; 9:gels9040346. [PMID: 37102958 PMCID: PMC10137560 DOI: 10.3390/gels9040346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/12/2023] [Accepted: 04/15/2023] [Indexed: 04/28/2023] Open
Abstract
Water pollution, which is caused by leakage of oily substances, has been recognized as one of the most serious global environmental pollutions endangering the ecosystem. High-quality porous materials with superwettability, which are typically constructed in the form of aerogels, hold huge potential in the field of adsorption and removal of oily substances form water. Herein, we developed a facile strategy to fabricate a novel biomass absorbent with a layered tubular/sheet structure for efficient oil/water separation. The aerogels were fabricated by assembling hollow poplar catkin fiber into chitosan sheets using a directional freeze-drying method. The obtained aerogels were further wrapped with -CH3-ended siloxane structures using CH3SiCl3. This superhydrophobic aerogel (CA ≈ 154 ± 0.4°) could rapidly trap and remove oils from water with a large sorption range of 33.06-73.22 g/g. The aerogel facilitated stable oil recovery (90.07-92.34%) by squeezing after 10 sorption-desorption cycles because of its mechanical robustness (91.76% strain remaining after 50 compress-release cycles). The novel design, low cost, and sustainability of the aerogel provide an efficient and environmentally friendly solution for handling oil spills.
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Affiliation(s)
- Wenhui Wang
- College of Textile and Clothing, Qingdao University, 308, Ningxia Road, Qingdao 266071, China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Jia-Horng Lin
- College of Textile and Clothing, Qingdao University, 308, Ningxia Road, Qingdao 266071, China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
- Advanced Medical Care and Protection Technology Research Center, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407102, Taiwan
- School of Chinese Medicine, China Medical University, Taichung City 404333, Taiwan
| | - Jiali Guo
- College of Textile and Clothing, Qingdao University, 308, Ningxia Road, Qingdao 266071, China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Rui Sun
- College of Textile and Clothing, Qingdao University, 308, Ningxia Road, Qingdao 266071, China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Guangting Han
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Fudi Peng
- Fujian Aton Advanced Materials Science and Technology Co., Ltd., Fujian 350304, China
| | - Shan Chi
- Bestee Material Co., Ltd., Qingdao 266001, China
| | - Ting Dong
- College of Textile and Clothing, Qingdao University, 308, Ningxia Road, Qingdao 266071, China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
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9
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Li S, Cheng X, Han G, Si Y, Liu Y, Yu J, Ding B. Elastic and compressible Al 2O 3/ZrO 2/La 2O 3 nanofibrous membranes for firefighting protective clothing. J Colloid Interface Sci 2023; 636:83-89. [PMID: 36623369 DOI: 10.1016/j.jcis.2022.12.163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/14/2022] [Accepted: 12/29/2022] [Indexed: 01/01/2023]
Abstract
Developing ceramic nanofibrous membranes for the thermal insulation layer of firefighting protective clothing is vital. However, previous ceramic nanofibrous membranes were brittle and easy to break during service in high-temperature environments. The lack of elastic and compressible properties has limited the high-end applications of ceramic nanofibrous membranes. In this work, elastic and compressible Al2O3/ZrO2/La2O3 nanofibrous membranes were fabricated via sol-gel electrospinning and calcination in air at different temperatures. The as-fabricated Al2O3/ZrO2/La2O3 nanofibrous membranes can maintain excellent elasticity and compressibility in the temperature ranging from -196 to 1400 °C. Moreover, they have low thermal conductivity and high working temperatures. These favorable characteristics make the Al2O3/ZrO2/La2O3 nanofibrous membranes a promising candidate for the thermal insulation layer of firefighting protective clothing.
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Affiliation(s)
- Shouzhen Li
- College of Textiles and Clothing, Qingdao University, Shandong, Qingdao 266071, China
| | - Xiaota Cheng
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China
| | - Guangting Han
- College of Textiles and Clothing, Qingdao University, Shandong, Qingdao 266071, China.
| | - Yang Si
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China
| | - Yitao Liu
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China.
| | - Jianyong Yu
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China
| | - Bin Ding
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China.
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10
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Huang H, Zhang B, Zhong J, Han G, Zhang J, Zhou H, Mao T, Liu Y. The behavior between fluid and structure from coupling system of bile, bile duct, and polydioxanone biliary stent: A numerical method. Med Eng Phys 2023; 113:103966. [PMID: 36966001 DOI: 10.1016/j.medengphy.2023.103966] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/27/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023]
Abstract
The performance and effects of 12 different structures of stents in the bile duct were compared and used the finite element method. Numerical models of the 12 kinds of fluid-structure interaction(FSI) coupling systems were established to investigate the relationship between three aspects (velocity distribution of bile, wall shear stress (WSS) distribution of bile, and Von Mises Stress(VMS) distribution on the stent and bile duct) and the structural parameters of the stent (monofilament diameter and the number of braiding heads). After calculating and analyzing the simulation results yielding distributions of velocity, WWS, and VMS and regions of bile duct susceptibility to stenosis, they were consistent with previous findings on the locations of restenosis occurring after stent removal, indicating that the simulation results could provide a useful reference for studying biliary stents. The results of the simulations showed that (i) eddy currents were prone to occur at the stent ends regions; (ii) the WSS distribution of the bile fluid in contact with the stent and bile duct related to the stent structure; (iii) the high VMS on the stent and bile duct was prone to occur at the stent ends. The simulation results of 12 FSI coupling systems were studied and two superior stent model structures were obtained by comprehensive evaluation.
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Affiliation(s)
- Huicheng Huang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, Shandong, 266000, China
| | - Bin Zhang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, Shandong, 266000, China
| | - Jun Zhong
- LONG RUN TEXTILECO.,LTD, Zaozhuang, Shandong, 277110, China
| | - Guangting Han
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, Shandong, 266000, China
| | - Jiawei Zhang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, Shandong, 266000, China
| | - Hao Zhou
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, Shandong, 266000, China
| | - Tao Mao
- Department of gastroenterology, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, 266003, China
| | - Yanhui Liu
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, Shandong, 266000, China.
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11
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Dong T, Liu Y, Tian N, Zhang Y, Han G, Peng F, Lou CW, Chi S, Liu Y, Liu C, Lin JH. Photothermal and Concus Finn capillary assisted superhydrophobic fibrous network enabling instant viscous oil transport for crude oil cleanup. J Hazard Mater 2023; 443:130193. [PMID: 36265385 DOI: 10.1016/j.jhazmat.2022.130193] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/29/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Rapid and effective removal of highly viscous oil spills from the sea remains a great challenge globally. Superhydrophobic materials are attractive candidates for handling oil spills, but they are restrained to recover oils with low viscosity exclusively. Herein, we report a novel polypyrrole wrapped superhydrophobic fibrous network using cross-shaped polyester fibers as starting blocks. The polypyrrole coating enables the absorbent to convert light to heat, ensuring that the viscosity of heavy oils in the proximity can be easily controlled. In the meanwhile, the special structure of the starting fibers initiates Concus Finn (CFin) capillary allowing instant oil transport in the network. When the absorbent is exposed to light oils (0-500 mPa.s), the oils can be transported instantly via CFin capillary. Interestingly, under synergistic effect of light-to-heat conversion and CFin capillary, a drawing-sticking crude oil strip (105 mPa.s) is sucked instantly against gravity by the absorbent. The absorbent is successfully applied to efficiently separate both oil/water mixtures and oil/water emulsions (efficiency > 99%). Such absorbent can absorb 62.99-74.23 g/g light oils on average and up to 123.3 g/g crude oil under 0-2 sun illumination, holding a huge potential in managing oil spills.
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Affiliation(s)
- Ting Dong
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao, PR China.
| | - Yanhui Liu
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Na Tian
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Yuanming Zhang
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Guangting Han
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, 308 Ningxia Road, Qingdao, PR China
| | - Fudi Peng
- Fujian Aton Advanced Materials Science and Technology Co., Ltd, Fujian 350304, PR China
| | - Ching-Wen Lou
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Department of Bioinformatics and Medical Engineering, Asia University, Taichung City 413305, Taiwan; College of Material and Chemical Engineering, Minjiang University, Fuzhou 350108, PR China
| | - Shan Chi
- Bestee Material Co., Ltd., Qingdao, Shandong 266001, PR China
| | - Yanming Liu
- Sinotech Academy of Textile Co., Ltd., Qingdao, Shandong 266001, PR China
| | - Cui Liu
- Qingdao Byherb New Material Co., Ltd., Qingdao, Shandong 266001, PR China
| | - Jia-Horng Lin
- College of Textile and Clothing, Qingdao University, 308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, 308 Ningxia Road, Qingdao, PR China; College of Material and Chemical Engineering, Minjiang University, Fuzhou 350108, PR China; Advanced Medical Care and Protection Technology Research Center, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407102, Taiwan.
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12
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Paulson K, Logie N, Han G, Tilley D, Menon G, Menon A, Nelson G, Phan T, Murray B, Ghosh S, Pearcey R, Huang F, Wiebe E. Adjuvant Radiotherapy in Stage II Endometrial Cancer: Selective De-intensification of Adjuvant Treatment. Clin Oncol (R Coll Radiol) 2023; 35:e94-e102. [PMID: 36150980 DOI: 10.1016/j.clon.2022.08.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 06/15/2022] [Accepted: 08/24/2022] [Indexed: 01/04/2023]
Abstract
AIMS Risk stratification, including nodal assessment, allows for selective de-intensification of adjuvant radiotherapy in stage II endometrial cancer. Patterns of treatment and clinical outcomes, including the use of reduced volume 'mini-pelvis' radiotherapy fields, were evaluated in a population-based study. MATERIALS AND METHODS All patients diagnosed with pathological stage II endometrial cancer between 2000 and 2014, and received adjuvant radiotherapy in a regional healthcare jurisdiction were reviewed. Registry data were supplemented by a comprehensive review of patient demographics, disease characteristics and treatment details. The Charlson Comorbidity Score was calculated. Survival and recurrence data were analysed. RESULTS In total, 264 patients met the inclusion criteria. Most patients had endometrioid histology (83%); 41% of patients had International Federation of Gynecologists and Obstetricians grade 1 disease. Half (49%) had surgical nodal evaluation; 11% received chemotherapy. Most patients (59%) were treated with full pelvic radiotherapy fields ± brachytherapy. Seventeen per cent of patients received mini-pelvis radiotherapy ± brachytherapy, whereas 24% received brachytherapy alone. Five-year recurrence-free survival was 87% for the entire cohort, with no significant difference by adjuvant radiotherapy approach. Only one patient receiving mini-pelvis radiotherapy ± brachytherapy recurred in the pelvis but outside of the mini-pelvis field. Recorded late toxicity rates were highest for full pelvis radiotherapy + brachytherapy. CONCLUSION Risk stratification in a real-world setting allowed for selective de-intensification of adjuvant radiation with equivalent outcomes for stage II endometrial cancer. Mini-pelvis radiotherapy combined with brachytherapy is effective in highly selected patients, with the potential to decrease toxicity without compromising local control. Brachytherapy should be considered in low-risk stage II patients.
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Affiliation(s)
- K Paulson
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - N Logie
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - G Han
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - D Tilley
- Cancer Control, Alberta Health Services, Holy Cross Centre, Calgary, Alberta, Canada
| | - G Menon
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - A Menon
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - G Nelson
- Cancer Control, Alberta Health Services, Holy Cross Centre, Calgary, Alberta, Canada
| | - T Phan
- Department of Oncology, University of Calgary, Calgary, Alberta, Canada
| | - B Murray
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - S Ghosh
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - R Pearcey
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - F Huang
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - E Wiebe
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada.
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13
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Han G, Bi J, Ma J, Yuan M, Li Y, Pi G, Li Y, Hu D. 146P Stereotactic body radiotherapy plus anlotinib ± toripalimab in untreated oligometastatic brain metastases NSCLC patients. Immuno-Oncology and Technology 2022. [DOI: 10.1016/j.iotech.2022.100258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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14
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Wu YL, Zhou Q, Pan Y, Yang X, Zhao Y, Han G, Pang Q, Zhang Z, Wang Q, Yao J, Wang H, Yang W, Liu B, Chen Q, Du X, Cai K, Li B, Shuang J, Song L, Shi W. LBA5 A phase II study of neoadjuvant SHR-1701 with or without chemotherapy (chemo) followed by surgery or radiotherapy (RT) in stage III unresectable NSCLC (uNSCLC). Immuno-Oncology and Technology 2022. [DOI: 10.1016/j.iotech.2022.100361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Baker CC, Wu BT, Han G, Flynn AN, Creinin MD. P042Early pregnancy loss medical management in clinical practice after mifepristone-misoprostol clinical trial. Contraception 2022. [DOI: 10.1016/j.contraception.2022.09.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Zeng Y, Cai X, Li J, Ye J, Han G, Luo W, WU C, Qin S, GU W, Zhao S, Zhao Y, Xia B, Du X, Liu Y, Fu X. Postoperative Radiotherapy Involving Tumor Bed with or without Elective Nodal Irradiation in Patients with Locally Advanced Esophageal Squamous Cell Carcinoma: A Multi-Center, Prospective Randomized Phase II Trial. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Fan Y, Zhu J, He J, Zhou R, Chen J, Han G, Ren B. 367P High-dose aumolertinib in EGFR-mutant NSCLC patients with brain metastases: Primary data from ACHIEVE. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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18
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Dong T, Hua Y, Han G, Zhang Y, Chi S, Liu Y, Liu C, Lou CW, Lin JH. Biomimetic Fibrous Leaf-Vein Membrane Enabling Unidirectional Water Penetration and Effective Antibacterial PM Filtration. ACS Appl Mater Interfaces 2022; 14:37192-37203. [PMID: 35916495 DOI: 10.1021/acsami.2c10254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Air pollution induced by pathogenic particulate matter (PM) has posed a serious threat to public health worldwide. Advanced air filters are thus required, not only exhibiting high PM capture efficiency, low breathing resistance, and high internal moisture transferring performance but also isolating and inactivating external pathogenic aerosols. In this study, we demonstrated a facile approach to construct a biomimetic fibrous leaf-vein membrane with unidirectional water penetration and effective antibacterial PM filtration by one-step electrospinning of poly(vinylidene fluoride) (PVDF)-based multilayer nanofibers. With ultrathin fibers penetrating the skeletal framework of bimodal thick fibers, the membranes showed gradient interconnected porous structures and achieved a highly efficient and stable (in an acid and alkali environment) PM0.3 interception (>99.98%) with low air drag (51-71 Pa). In addition, the gradient narrow pores of the membranes contributed to a gradient higher hydrophilicity. The subsequent unidirectional water motion effectively isolates pathogenic aerosols typically generated by external individuals or ultrafast water penetration from the inverse face. Moreover, the membranes demonstrated an antibacterial efficacy (>99.99%) in a 5 min contact, inactivating the intercepted airborne pathogens efficiently. The test results proved that the proposed membranes were promising advanced air filters for respirator applications.
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Affiliation(s)
- Ting Dong
- College of Textile and Clothing, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
| | - Yue Hua
- College of Textile and Clothing, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
| | - Guangting Han
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
| | - Yuanming Zhang
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
| | - Shan Chi
- Bestee Material Co., Ltd., Qingdao, Shandong 266001, P. R. China
| | - Yanming Liu
- Sinotech Academy of Textile Co., Ltd., Qingdao, Shandong 266001, P. R. China
| | - Cui Liu
- Qingdao Byherb New Material Co., Ltd., Qingdao, Shandong 266001, P. R. China
| | - Ching-Wen Lou
- College of Textile and Clothing, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung City 413305, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung City 404333, Taiwan
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, P. R. China
- College of Material and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China
| | - Jia-Horng Lin
- College of Textile and Clothing, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
- Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- Advanced Medical Care and Protection Technology Research Center, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407102, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung City 404333, Taiwan
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, P. R. China
- College of Material and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China
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19
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Wang X, Zhang Y, Li J, Liu G, Gao M, Ren S, Liu B, Zhang L, Han G, Yu J, Zhao H, Rosei F. Platinum Cluster/Carbon Quantum Dots Derived Graphene Heterostructured Carbon Nanofibers for Efficient and Durable Solar-Driven Electrochemical Hydrogen Evolution. Small Methods 2022; 6:e2101470. [PMID: 35212473 DOI: 10.1002/smtd.202101470] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/16/2022] [Indexed: 05/08/2023]
Abstract
Large scale solar-driven hydrogen production is a crucial step toward decarbonizing society. However, the solar-to-hydrogen (STH) conversion efficiency, long-term stability, and cost-effectiveness in hydrogen evolution reaction (HER) still need to be improved. Herein, an efficient approach is demonstrated to produce low-dimensional Pt/graphene-carbon nanofibers (CNFs)-based heterostructures for bias-free, highly efficient, and durable HER. Carbon dots are used as efficient building blocks for the in situ formation of graphene along the CNFs surface. The presence of graphene enhances the electronic conductivity of CNFs to ≈3013.5 S m-1 and simultaneously supports the uniform Pt clusters growth and efficient electron transport during HER. The electrode with a low Pt loading amount (3.4 µg cm-2 ) exhibits a remarkable mass activity of HER in both acidic and alkaline media, which is significantly better than that of commercial Pt/C (31 µg cm-2 of Pt loading). In addition, using a luminescent solar concentrator-coupled solar cell to provide voltage, the bias-free water splitting system exhibits an STH efficiency of 0.22% upon one-sun illumination. These results are promising toward using low-dimensional heterostructured catalysts for future energy storage and conversion applications.
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Affiliation(s)
- Xiaohan Wang
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
| | - Yuanming Zhang
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
| | - Junzhi Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Guiju Liu
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
| | - Mingzhen Gao
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
| | - Shihuan Ren
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
| | - Bingxu Liu
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
| | - Lixue Zhang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Guangting Han
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
| | - Jianyong Yu
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 200051, P. R. China
| | - Haiguang Zhao
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textiles & Clothing, Qingdao University, Qingdao, 266071, P. R. China
- College of Physics, University-Industry Joint Center for Ocean Observation and Broadband Communication, Qingdao University, Qingdao, 266071, P. R. China
| | - Federico Rosei
- Centre for Energy, Materials and Telecommunications, Institut National de la Recherche Scientifique, Varennes, QC J3x1S2, Canada
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20
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Tian N, Wu S, Han G, Zhang Y, Li Q, Dong T. Biomass-derived oriented neurovascular network-like superhydrophobic aerogel as robust and recyclable oil droplets captor for versatile oil/water separation. J Hazard Mater 2022; 424:127393. [PMID: 34656938 DOI: 10.1016/j.jhazmat.2021.127393] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/18/2021] [Accepted: 09/28/2021] [Indexed: 06/13/2023]
Abstract
Using tubular kapok fibers (KF) and sodium alginate (SA) as the natural building block, we put forward a novel oriented neurovascular network-like superhydrophobic aerogel with robust dry and wet compression resilience by directional freeze-drying and chemical vapor deposition. In the block, SA forms aligned channel structures providing space for rapid oil transmission, while KF serves as vascular-like capillaries acting as instant "tentacle" to capture the tiny oil droplets in water, facilitating fascinating oil capture efficiency for versatile oil/water separation, The aerogel after dry and wet compression (under a strain of 60%) can recover 96.0% and 97.3% its original, respectively, facilitating stable oil recovery (81.1-89.8%) by squeezing, high separation efficiency (99.04-99.64%) and permeation flux separating oil contaminants from water. A pump-supported experiment shows the aerogel efficiently collecting oil contaminants from the water's surface and bottom by 11503-25611 L·m-2·h-1. Particularly, the aerogel as robust oil droplets captor facilely achieves isolation of 99.39-99.68% emulsified oils from oil/water emulsions by novel oil trapping mechanism which simply involves exerting kinetic energy on emulsified oils through repeated oscillation, potentially indicating a simple and efficient alternative to membrane-based oily wastewater remediation via filtration.
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Affiliation(s)
- Na Tian
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Shaohua Wu
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Guangting Han
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Yuanming Zhang
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Qiang Li
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Ting Dong
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China.
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21
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Li F, Lozier MS, Bacon S, Bower AS, Cunningham SA, de Jong MF, deYoung B, Fraser N, Fried N, Han G, Holliday NP, Holte J, Houpert L, Inall ME, Johns WE, Jones S, Johnson C, Karstensen J, Le Bras IA, Lherminier P, Lin X, Mercier H, Oltmanns M, Pacini A, Petit T, Pickart RS, Rayner D, Straneo F, Thierry V, Visbeck M, Yashayaev I, Zhou C. Author Correction: Subpolar North Atlantic western boundary density anomalies and the Meridional Overturning Circulation. Nat Commun 2022; 13:739. [PMID: 35110553 PMCID: PMC8810834 DOI: 10.1038/s41467-022-28397-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- F Li
- State Key Laboratory of Marine Environmental Science & College of Ocean and Earth Sciences, Xiamen University, Xiamen, China. .,School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA.
| | - M S Lozier
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA.
| | - S Bacon
- National Oceanography Centre, Southampton, UK
| | - A S Bower
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | | | - M F de Jong
- NIOZ Royal Netherlands Institute for Sea Research, Texel, Netherlands
| | - B deYoung
- Department of Physics and Physical Oceanography, Memorial University, St. John's, NL, Canada
| | - N Fraser
- Scottish Association for Marine Science, Oban, UK
| | - N Fried
- NIOZ Royal Netherlands Institute for Sea Research, Texel, Netherlands
| | - G Han
- Fisheries and Oceans Canada, Institute of Ocean Sciences, Sidney, BC, Canada.,Fisheries and Oceans Canada, Northwest Atlantic Fisheries Centre, St. John's, NL, Canada
| | | | - J Holte
- Scripps Institution of Oceanography, UCSD, La Jolla, CA, USA
| | - L Houpert
- National Oceanography Centre, Southampton, UK
| | - M E Inall
- Scottish Association for Marine Science, Oban, UK.,School of Geosciences, Edinburgh University, Edinburgh, UK
| | - W E Johns
- Department of Ocean Sciences, University of Miami, Miami, FL, USA
| | - S Jones
- Scottish Association for Marine Science, Oban, UK
| | - C Johnson
- Scottish Association for Marine Science, Oban, UK
| | - J Karstensen
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - I A Le Bras
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA.,Scripps Institution of Oceanography, UCSD, La Jolla, CA, USA
| | - P Lherminier
- Univ. Brest, Ifremer, CNRS, IRD, Laboratoire d'Océanographie Physique et Spatiale, Plouzané, France
| | - X Lin
- Frontier Science Center for Deep Ocean Multispheres and Earth System and Physical Oceanography Laboratory, Ocean University of China, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - H Mercier
- CNRS, Laboratoire d'Océanographie Physique et Spatiale, Plouzané, France
| | - M Oltmanns
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - A Pacini
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | - T Petit
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
| | - R S Pickart
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | - D Rayner
- National Oceanography Centre, Southampton, UK
| | - F Straneo
- Scripps Institution of Oceanography, UCSD, La Jolla, CA, USA
| | - V Thierry
- Univ. Brest, Ifremer, CNRS, IRD, Laboratoire d'Océanographie Physique et Spatiale, Plouzané, France
| | - M Visbeck
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - I Yashayaev
- Bedford Institute of Oceanography, Dartmouth, NS, Canada
| | - C Zhou
- Frontier Science Center for Deep Ocean Multispheres and Earth System and Physical Oceanography Laboratory, Ocean University of China, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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22
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Li Z, Gao K, Han G, Wang R, Li H, Guo P. Correction: Solvothermal synthesis of MnFe 2O 4 colloidal nanocrystal assemblies and their magnetic and electrocatalytic properties. NEW J CHEM 2022. [DOI: 10.1039/d2nj90158g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Correction of ‘Solvothermal synthesis of MnFe2O4 colloidal nanocrystal assemblies and their magnetic and electrocatalytic properties’ by Zhen Li et al., New J. Chem., 2015, 39, 361–368, https://doi.org/10.1039/C4NJ01466A.
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Affiliation(s)
- Zhen Li
- State Key Laboratory Breeding Base of New Fiber Materials and Modern Textile, Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, Qingdao, 266071, P. R. China
- School of Chemical Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Kai Gao
- State Key Laboratory Breeding Base of New Fiber Materials and Modern Textile, Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, Qingdao, 266071, P. R. China
| | - Guangting Han
- State Key Laboratory Breeding Base of New Fiber Materials and Modern Textile, Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, Qingdao, 266071, P. R. China
| | - Rongyue Wang
- State Key Laboratory Breeding Base of New Fiber Materials and Modern Textile, Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, Qingdao, 266071, P. R. China
- School of Chemical Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Hongliang Li
- State Key Laboratory Breeding Base of New Fiber Materials and Modern Textile, Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, Qingdao, 266071, P. R. China
- School of Chemical Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Peizhi Guo
- State Key Laboratory Breeding Base of New Fiber Materials and Modern Textile, Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, Qingdao, 266071, P. R. China
- School of Chemical Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
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23
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Abstract
Flexible Al2O3/ZrO2 nanofibrous membranes of low density and high working temperature were fabricated by sol–gel electrospinning, and could be used for thermal-insulation applications.
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Affiliation(s)
- Shouzhen Li
- College of Textiles and Clothing, Qingdao University, Qingdao, Shandong, 266071, P.R. China
| | - Fan Wu
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 200051, P.R. China
| | - Xuan Zhang
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 200051, P.R. China
| | - Guangting Han
- College of Textiles and Clothing, Qingdao University, Qingdao, Shandong, 266071, P.R. China
| | - Yang Si
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 200051, P.R. China
| | - Jianyong Yu
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 200051, P.R. China
| | - Bin Ding
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 200051, P.R. China
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24
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Wang J, Liu S, Yan X, Jiang Z, Zhou Z, Liu J, Han G, Ben H, Jiang W. Biodegradable and Reusable Cellulose-Based Nanofiber Membrane Preparation for Mask Filter by Electrospinning. Membranes (Basel) 2021; 12:membranes12010023. [PMID: 35054548 PMCID: PMC8777847 DOI: 10.3390/membranes12010023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/13/2021] [Accepted: 12/21/2021] [Indexed: 11/16/2022]
Abstract
Environmentally friendly face masks with high filtration efficiency are in urgent need to fight against the COVID-19 pandemic, as well as other airborne viruses, bacteria and particulate matters. In this study, coaxial electrospinning was employed to fabricate a lithium chloride enhanced cellulose acetate/thermoplastic polyurethanes (CA/TPU-LiCl) face mask nanofiber filtration membrane, which was biodegradable and reusable. The analysis results show that the CA/TPU-LiCl membrane had an excellent filtration performance: when the filtration efficiency reached 99.8%, the pressure drop was only 52 Pa. The membrane also had an outstanding reusability. The filtration performance maintained at 98.2% after 10 test cycles, and an alcohol immersion disinfection treatment showed no effect on its filtration performance. In summary, the CA/TPU-LiCl nanofiber membrane made in this work is a promising biodegradable and reusable filtration material with a wide range of potential applications, including high-performance face mask.
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Affiliation(s)
- Jizhen Wang
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao 266071, China; (J.W.); (X.Y.); (Z.J.); (J.L.)
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, China
| | - Shaoyang Liu
- Department of Chemistry and Physics, Troy University, Troy, AL 36082, USA;
| | - Xu Yan
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao 266071, China; (J.W.); (X.Y.); (Z.J.); (J.L.)
- Shandong Special Nonwovens Engineering Research Center, Qingdao University, #308 Ningxia Road, Qingdao 266071, China
| | - Zhan Jiang
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao 266071, China; (J.W.); (X.Y.); (Z.J.); (J.L.)
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, China
| | - Zijing Zhou
- Qingdao Xuyu Technology Co., Ltd., Qingdao 266071, China;
| | - Jing Liu
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao 266071, China; (J.W.); (X.Y.); (Z.J.); (J.L.)
| | - Guangting Han
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, China
- Correspondence: (G.H.); (H.B.); (W.J.)
| | - Haoxi Ben
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, China
- Correspondence: (G.H.); (H.B.); (W.J.)
| | - Wei Jiang
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao 266071, China; (J.W.); (X.Y.); (Z.J.); (J.L.)
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, China
- Correspondence: (G.H.); (H.B.); (W.J.)
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25
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Han G, Bi J, Ma J, Yuan M, Li Y, Pi G, Guo L, Li Y, Hu D. 115TiP Stereotactic body radiotherapy (SBRT) plus anlotinib with or without toripalimab in driver mutation-negative non-small cell lung cancer (NSCLC) patients with untreated brain oligometastatic metastases: A prospective, single-center, phase Ib study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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26
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Mi P, Yuan F, Guo J, Han G, Wang B. Salt glands play a pivotal role in the salt resistance of four recretohalophyte Limonium Mill. species. Plant Biol (Stuttg) 2021; 23:1063-1073. [PMID: 33969585 DOI: 10.1111/plb.13284] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 03/10/2021] [Indexed: 05/25/2023]
Abstract
Limonium Mill. plants are typical recretohalophytes, as they withstand salt stress by secreting excess salt onto the leaf surface through salt glands. However, little is known on the salinity thresholds of these plants and the function of salt glands in salt tolerance. Here, we investigated the salinity thresholds of salt tolerance of the Limonium species L. aureum (Linn.) Hill, L. gmelinii (Willd.) Kuntze, L. otolepis (Schrenk) Kuntze and L. sinuatum (L.) Mill grown with various concentrations of NaCl. The salinity thresholds of L. otolepis, L. aureum, L. sinuatum and L. gmelinii were 300, 350, 400 and 420 mm NaCl, respectively. Correlation analysis indicated that total dry weight, chlorophyll content and intercellular CO2 concentration were highly positively correlated with the total fresh weights of all four Limonium species and could therefore be used as indicators of plant salt tolerance. Furthermore, as the salt gland density on the leaf surface increased, the rate of salt secretion per salt gland also increased, allowing more Na+ to be secreted from the plant. Redundancy discriminant analysis indicated that salt gland density, Na+ content and Na+ secretion rate per salt gland were positively correlated with salt concentration. These observations support the notion that salt glands play important roles in the adaptation of Limonium species to high salinity conditions.
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Affiliation(s)
- P Mi
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
| | - F Yuan
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
| | - J Guo
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
| | - G Han
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
| | - B Wang
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
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27
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Huang L, Xu L, Han G, Crickmore N, Song F, Xu J. Characterization of CwlC, an autolysin, and its role in mother cell lysis of Bacillus thuringiensis subsp. israelensis. Lett Appl Microbiol 2021; 74:92-102. [PMID: 34695235 DOI: 10.1111/lam.13590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/13/2021] [Accepted: 10/15/2021] [Indexed: 11/27/2022]
Abstract
Bacillus thuringiensis subsp. israelensis (Bti) has been proven to efficiently control mosquitoes, of which many species are important vectors of human disease. The larvicidal action is attributed to the parasporal crystals formed in the sporulating cells and released upon cell autolysis. In this study, a sporulation-specific cwlC gene that encodes an N-acetylmuramoyl-L -alanine amidase was characterized in Bti strain Bt-59. CwlC was the only cell wall hydrolase in Bti found to contain both MurNAc-LAA and Amidase02_C domains. A recombinant CwlC-His protein was able to digest the Bacillus cell wall. Deletion of the cwlC gene delayed Bti mother cell lysis without impacting vegetative growth or insecticidal efficacy. Transcriptional analyses indicated that cwlC was expressed at the late sporulation stage and was controlled by SigK. Two other cell wall hydrolase genes, cwlB and cwlE, with high expression levels at T14 in Bt-59, were also identified. Like cwlC, cwlB expression was controlled by SigK; in contrast, cwlE was found not to be under the control of this sigma factor and unlike the other two, its gene was found to be plasmid encoded.
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Affiliation(s)
- L Huang
- Department of Applied Microbiology, Jiangsu Lixiahe District Institute of Agricultural Sciences/National Agricultural Experimental Station for Agricultural Microbiology, Yangzhou, China
| | - L Xu
- Department of Applied Microbiology, Jiangsu Lixiahe District Institute of Agricultural Sciences/National Agricultural Experimental Station for Agricultural Microbiology, Yangzhou, China.,State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - G Han
- Department of Applied Microbiology, Jiangsu Lixiahe District Institute of Agricultural Sciences/National Agricultural Experimental Station for Agricultural Microbiology, Yangzhou, China
| | - N Crickmore
- Department of Biochemistry, School of Biological Sciences, University of Sussex, Brighton, UK
| | - F Song
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - J Xu
- Department of Applied Microbiology, Jiangsu Lixiahe District Institute of Agricultural Sciences/National Agricultural Experimental Station for Agricultural Microbiology, Yangzhou, China
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28
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Song Y, Liu S, Ben H, Zhang Y, Han G, Ragauskas AJ, Jiang W. Research on Chemically Deuterated Cellulose Macroperformance and Fast Identification. Front Plant Sci 2021; 12:709692. [PMID: 34659283 PMCID: PMC8517537 DOI: 10.3389/fpls.2021.709692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 08/30/2021] [Indexed: 06/13/2023]
Abstract
Chemically deuterated cellulose fiber was expected to provide novel applications due to its spectral, biological, and kinetic isotope effect. In this research, the performance of the chemically deuterated cotton fibers, including their mechanical property, enzymatic degradation performance, effect on bacterial treatment, and fast identification (near-infrared modeling) was investigated. The breaking tenacity of the deuterated cotton fibers was slightly lower, which might be attributed to the structural damage during the chemical deuteration. The glucose yield by enzymatic hydrolysis was less than that of the protonic cotton fibers, implying the deuterated fibers are less sensitive to enzymatic degradation. Furthermore, the deuterated fibers could promote the growth of bacteria such as Escherichia. coli, which was associated with the released low-level deuterium content. At last, the near-infrared technique combined with partial least squares regression successfully achieved a fast identification of the protiated and deuterated cotton fibers, which significantly promoted the potential application of deuterated cellulose as anticounterfeiting materials (e.g., special paper).
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Affiliation(s)
- Yan Song
- College of Textiles, Qingdao University, Qingdao, China
- College of Textile and Clothing, Dezhou University, Dezhou, China
| | - Shaoyang Liu
- Department of Chemistry and Physics, Troy University, Troy, AL, United States
| | - Haoxi Ben
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao, China
| | - Yuanming Zhang
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao, China
| | - Guangting Han
- College of Textiles, Qingdao University, Qingdao, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao, China
| | - Arthur J. Ragauskas
- Joint Institute of Biological Science, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, United States
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Knoxville, TN, United States
| | - Wei Jiang
- College of Textiles, Qingdao University, Qingdao, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao, China
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29
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Dong T, Li Q, Tian N, Zhao H, Zhang Y, Han G. Concus Finn Capillary driven fast viscous oil-spills removal by superhydrophobic cruciate polyester fibers. J Hazard Mater 2021; 417:126133. [PMID: 34229398 DOI: 10.1016/j.jhazmat.2021.126133] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/30/2021] [Accepted: 05/12/2021] [Indexed: 06/13/2023]
Abstract
Developing functional materials integrating multi-tasking oil/water separation performances is significant but challenging for the remediation of large-scale oil spills causing pernicious environmental damages. Herein, a novel Concus Finn Capillary driven oil sorbent (OSCPF) fabricated by aligning superhydrophobic cruciate polyester fibers based on yarn spinning mechanism is designed to realize the clean-up of oil spills and various oil/water mixtures at high speeds. Instantaneous oil diffusion is achieved by abrupt Concus Finn Capillary driven oil-flows along aligned channels. This advance reduces the penetrating time for viscous crude oils by 95.00% comparing with that of non-oriented circular polyester fibers. The OSCPF possess great oil sorption capacity of 54.36-124.71 g/g and can separate oils from immiscible oil/water mixtures, including seawater, soap-water, CuCl2-water, and KMnO4-water, and surfactant-stabilized O/W emulsions by the way of adsorption with satisfactory separation efficiency (99.41-99.83%). Especially, the OSCPF is effectively used to enclose oil spills to prevent rapid oil diffusion and in-situ continuously collect the spillages from water surface and underwater by pumping device with recovery rates of 15,727-104,227 L·m-2·h-1. Considering the unique structural design, fast oil sorption speed, and low operating cost, this work provides a prospective oil remover addressing the remediation of catastrophic multi-tasking oil/water pollutions.
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Affiliation(s)
- Ting Dong
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China.
| | - Qiang Li
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Na Tian
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Haiguang Zhao
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Yuanming Zhang
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China.
| | - Guangting Han
- Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China.
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30
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Liu Z, Zhou Y, Feng WN, Chen MY, Han G, Zou GR, Yang S, He Y, Zou X, Tang J, Zhang L, Cui L, Chen H, Li G, Jiang S, Gao J, Xiao L, Zhang Q, Yi W, Huang C. LBA64 Olanzapine, an alternative to dexamethasone for preventing nausea and vomiting induced by cisplatin-based doublet highly emetogenic chemotherapy: A non-inferiority, prospective, multi-centered, randomized, controlled, phase III clinical trial. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.2145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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31
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Zheng J, Qiao J, S. Zhang, Zhang Y, Bai X, Cao J, Han G. 170P Identification and validation of novel immune genomic subtypes for triple-positive breast cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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32
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Abstract
Colloidal carbon quantum dots (C-dots) have attracted a lot of attention because of their excellent optical properties for various types of applications. Due to the complicated structure of C-dots, the photoluminescence (PL) mechanism of C-dots is still unclear. In particular, it is still a big challenge to understand well the surface chemistry of C-dots. In this work, we used a vacuum-heating approach to produce high-quality C-dots. With different purification procedures, the surface chemistry of C-dots can be well-controlled. Removal of Ca2+ by Na2CO3 led to the disappearance of the absorption at 405 nm and a decrease of the quantum yield. In addition, the Na2CO3 treated C-dots exhibited an excitation-dependent PL behavior. These results confirmed that Ca2+ can interact with the surface functional group of C[double bond, length as m-dash]O of the C-dots, forming a stable structure surrounding the C-dot core, which contributed to a high quantum yield (QY) of 65%, excitation-independent PL behavior and absorption at 405 nm. Furthermore, the PL of the C-dots is strongly dependent on the pH, indicating that the Ca2+ capped C-dots could be used as pH indicators. Our finding provides clear evidence for the surface-chemistry dependent PL behavior of C-dots.
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Affiliation(s)
- Shihuan Ren
- College of Textiles & Clothing, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China
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33
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Li Y, Liu FR, Han G, Chen QY, Zhang YZ, Xie XX, Zhang LL, Lian YB. Design of an electric-driven nonvolatile low-energy-consumption phase change optical switch. Nanotechnology 2021; 32:405201. [PMID: 34171853 DOI: 10.1088/1361-6528/ac0ead] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/24/2021] [Indexed: 06/13/2023]
Abstract
Traditional optical switches relying on the weak, volatile thermo-optic or electro-optic effects of Si or SiN waveguides show a high consumption and large footprint. In this paper, we reported an electric-driven phase change optical switch consisting of a Si waveguide, Ge2Sb2Te5(GST) thin film and graphene heater suitable for large-scale integration and high-speed switching. The reversible transition between the amorphous and crystalline states was achieved by applying two different voltage pulses of 1.4 V (SET) and 4 V (RESET). The optical performance of the proposed switch showed a high extinction ration of 44-46 dB in a wide spectral range (1525-1575 nm), an effective index variation of Δneff = 0.49 and a mode loss variation of Δα = 15 dBμm-1at the wavelength of 1550 nm. In thermal simulations, thanks to the ultra-high thermal conductivity of graphene, the proposed switch showed that the consumption for the SET process was only 3.528 pJ with a 1.4 V pulse of 5 ns, while a 4 V pulse of 1.5 ns was needed for RESET process with a consumption of 1.05 nJ. Our work is helpful to analyze the thermal-conduction phase transition process of on-chip phase change optical switches, and the design of the low-energy-consumption switch is conducive to the integrated application of photonic chips.
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Affiliation(s)
- Y Li
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - F R Liu
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - G Han
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Q Y Chen
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Y Z Zhang
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - X X Xie
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - L L Zhang
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Y B Lian
- Key Laboratory of Trans-scale Laser Manufacturing (Beijing University of Technology), Ministry of Education, Beijing 100124, People's Republic of China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
- Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
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34
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Li F, Lozier MS, Bacon S, Bower AS, Cunningham SA, de Jong MF, deYoung B, Fraser N, Fried N, Han G, Holliday NP, Holte J, Houpert L, Inall ME, Johns WE, Jones S, Johnson C, Karstensen J, Le Bras IA, Lherminier P, Lin X, Mercier H, Oltmanns M, Pacini A, Petit T, Pickart RS, Rayner D, Straneo F, Thierry V, Visbeck M, Yashayaev I, Zhou C. Subpolar North Atlantic western boundary density anomalies and the Meridional Overturning Circulation. Nat Commun 2021; 12:3002. [PMID: 34031423 PMCID: PMC8144605 DOI: 10.1038/s41467-021-23350-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 04/21/2021] [Indexed: 11/29/2022] Open
Abstract
Changes in the Atlantic Meridional Overturning Circulation, which have the potential to drive societally-important climate impacts, have traditionally been linked to the strength of deep water formation in the subpolar North Atlantic. Yet there is neither clear observational evidence nor agreement among models about how changes in deep water formation influence overturning. Here, we use data from a trans-basin mooring array (OSNAP-Overturning in the Subpolar North Atlantic Program) to show that winter convection during 2014-2018 in the interior basin had minimal impact on density changes in the deep western boundary currents in the subpolar basins. Contrary to previous modeling studies, we find no discernable relationship between western boundary changes and subpolar overturning variability over the observational time scales. Our results require a reconsideration of the notion of deep western boundary changes representing overturning characteristics, with implications for constraining the source of overturning variability within and downstream of the subpolar region.
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Affiliation(s)
- F Li
- State Key Laboratory of Marine Environmental Science & College of Ocean and Earth Sciences, Xiamen University, Xiamen, China.
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA.
| | - M S Lozier
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA.
| | - S Bacon
- National Oceanography Centre, Southampton, UK
| | - A S Bower
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | | | - M F de Jong
- NIOZ Royal Netherlands Institute for Sea Research, Texel, Netherlands
| | - B deYoung
- Department of Physics and Physical Oceanography, Memorial University, St. John's, NL, Canada
| | - N Fraser
- Scottish Association for Marine Science, Oban, UK
| | - N Fried
- NIOZ Royal Netherlands Institute for Sea Research, Texel, Netherlands
| | - G Han
- Fisheries and Oceans Canada, Institute of Ocean Sciences, Sidney, BC, Canada
- Fisheries and Oceans Canada, Northwest Atlantic Fisheries Centre, St. John's, NL, Canada
| | | | - J Holte
- Scripps Institution of Oceanography, UCSD, La Jolla, CA, USA
| | - L Houpert
- National Oceanography Centre, Southampton, UK
| | - M E Inall
- Scottish Association for Marine Science, Oban, UK
- School of Geosciences, Edinburgh University, Edinburgh, UK
| | - W E Johns
- Department of Ocean Sciences, University of Miami, Miami, FL, USA
| | - S Jones
- Scottish Association for Marine Science, Oban, UK
| | - C Johnson
- Scottish Association for Marine Science, Oban, UK
| | - J Karstensen
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - I A Le Bras
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA
- Scripps Institution of Oceanography, UCSD, La Jolla, CA, USA
| | - P Lherminier
- Univ. Brest, Ifremer, CNRS, IRD, Laboratoire d'Océanographie Physique et Spatiale, Plouzané, France
| | - X Lin
- Frontier Science Center for Deep Ocean Multispheres and Earth System and Physical Oceanography Laboratory, Ocean University of China, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - H Mercier
- CNRS, Laboratoire d'Océanographie Physique et Spatiale, Plouzané, France
| | - M Oltmanns
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - A Pacini
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | - T Petit
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
| | - R S Pickart
- Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | - D Rayner
- National Oceanography Centre, Southampton, UK
| | - F Straneo
- Scripps Institution of Oceanography, UCSD, La Jolla, CA, USA
| | - V Thierry
- Univ. Brest, Ifremer, CNRS, IRD, Laboratoire d'Océanographie Physique et Spatiale, Plouzané, France
| | - M Visbeck
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - I Yashayaev
- Bedford Institute of Oceanography, Dartmouth, NS, Canada
| | - C Zhou
- Frontier Science Center for Deep Ocean Multispheres and Earth System and Physical Oceanography Laboratory, Ocean University of China, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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Han G, Chowdhury U, Eriten M, Henak CR. Relaxation capacity of cartilage is a critical factor in rate- and integrity-dependent fracture. Sci Rep 2021; 11:9527. [PMID: 33947908 PMCID: PMC8096812 DOI: 10.1038/s41598-021-88942-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 04/15/2021] [Indexed: 11/30/2022] Open
Abstract
Articular cartilage heals poorly but experiences mechanically induced damage across a broad range of loading rates and matrix integrity. Because loading rates and matrix integrity affect cartilage mechanical responses due to poroviscoelastic relaxation mechanisms, their effects on cartilage failure are important for assessing and preventing failure. This paper investigated rate- and integrity-dependent crack nucleation in cartilage from pre- to post-relaxation timescales. Rate-dependent crack nucleation and relaxation responses were obtained as a function of matrix integrity through microindentation. Total work for crack nucleation increased with decreased matrix integrity, and with decreased loading rates. Critical energy release rate of intact cartilage was estimated as 2.39 ± 1.39 to 2.48 ± 1.26 kJ m-2 in a pre-relaxation timescale. These findings showed that crack nucleation is delayed when cartilage can accommodate localized loading through poroviscoelastic relaxation mechanisms before fracture at a given loading rate and integrity state.
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Affiliation(s)
- G Han
- Department of Mechanical Engineering, University of Minnesota, 111 Church St SE, Minneapolis, MN, 55455, USA
| | - U Chowdhury
- Department of Mechanical Engineering, University of Wisconsin-Madison, 1513 University Ave., Madison, WI, 53706, USA
| | - M Eriten
- Department of Mechanical Engineering, University of Wisconsin-Madison, 1513 University Ave., Madison, WI, 53706, USA
| | - C R Henak
- Department of Mechanical Engineering, University of Wisconsin-Madison, 1513 University Ave., Madison, WI, 53706, USA.
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1550 University Ave., Madison, WI, 53706, USA.
- Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, 1111 Highland Ave., Madison, WI, 53705, USA.
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36
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Ren S, Wang M, Wang X, Han G, Zhang Y, Zhao H, Vomiero A. Near-infrared heavy-metal-free SnSe/ZnSe quantum dots for efficient photoelectrochemical hydrogen generation. Nanoscale 2021; 13:3519-3527. [PMID: 33566048 DOI: 10.1039/d0nr09154e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Solar-driven photoelectrochemical (PEC) hydrogen production is one of the most effective strategies for solar-to-hydrogen energy conversion. Among various types of semiconductors used for PEC anodes, colloidal quantum dots (QDs) have been widely used as new and promising absorbers for PEC and other optoelectronic devices. However, currently, most efficient optoelectronic devices contain toxic Pb/Cd elements or non-earth-abundant elements (In/Ag). It is still a challenge to produce Pb/Cd-free QDs without using any toxic and non-earth-abundant elements. Here, we synthesized SnSe QDs via a diffusion-controlled hot injection approach and further stabilized the as-prepared SnSe QDs via a cation exchange reaction. The as-synthesized Zn-stabilized SnSe QDs (SnSe/ZnSe) have an orthorhombic crystal structure with indirect bandgaps ranging from 1 to 1.37 eV. Zn stabilization can significantly decrease the number of QD surface metallic Sn bonds, thereby decreasing the number of recombination centers of defects/traps. As a proof-of-concept, SnSe/ZnSe QDs are used as light absorbers for PEC hydrogen production, leading to a saturated photocurrent density of 7 mA cm-2, which is comparable to best values reported for PEC devices based on toxic-metal-free QDs. Our results indicate that Zn-stabilized SnSe QDs have great potential for use in emerging optoelectronic devices.
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Affiliation(s)
- Shihuan Ren
- College of Textiles & Clothing, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Maorong Wang
- State Key Laboratory of Bio-Fibers and Eco-Textiles & College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China.
| | - Xiaohan Wang
- College of Textiles & Clothing, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Guangting Han
- State Key Laboratory of Bio-Fibers and Eco-Textiles & College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China.
| | - Yuanming Zhang
- State Key Laboratory of Bio-Fibers and Eco-Textiles & College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China.
| | - Haiguang Zhao
- State Key Laboratory of Bio-Fibers and Eco-Textiles & College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China.
| | - Alberto Vomiero
- Division of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87 Luleå, Sweden and Department of Molecular Sciences and Nano Systems, Ca' Foscari University of Venice, Via Torino 155, 30172 Venezia Mestre, Italy.
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37
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Lebwohl M, Stein Gold L, Papp K, Han G, Pariser D, Lin T, Harris S, Jacobson A. Long‐term safety and efficacy of a fixed‐combination halobetasol propionate 0.01%/tazarotene 0.045% lotion in moderate‐to‐severe plaque psoriasis: phase 3 open‐label study. J Eur Acad Dermatol Venereol 2021; 35:1152-1160. [DOI: 10.1111/jdv.17113] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/16/2020] [Indexed: 11/30/2022]
Affiliation(s)
- M.G. Lebwohl
- Icahn School of Medicine at Mount Sinai New York NY USA
| | | | - K. Papp
- Probity Medical Research and K. Papp Clinical Research Waterloo ON Canada
| | - G. Han
- Icahn School of Medicine at Mount Sinai New York NY USA
| | - D.M. Pariser
- Eastern Virginia Medical School and Virginia Clinical Research, Inc. Norfolk VA USA
| | - T. Lin
- Ortho Dermatologics† Bridgewater NJ USA
| | - S. Harris
- Bausch Health US, LLC† Bridgewater NJ USA
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Zhang W, Chen R, Jiang B, Zhao X, Zhao W, Yan SS, Han G, Yu S, Liu G, Kang S. Tunable interfacial Dzyaloshinskii-Moriya interaction in symmetrical Au/[Fe/Au] n multilayers. Nanoscale 2021; 13:2665-2672. [PMID: 33496295 DOI: 10.1039/d0nr06488b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The interfacial Dzyaloshinskii-Moriya interaction (i-DMI) has been exploited in as-made symmetrical Au/[Fe/Au]n structures. By tailoring the chirality of the i-DMI at the Au/Fe interface, an overall enhancement of the i-DMI can be obtained in such a symmetrical structure. Furthermore, the tunability of the i-DMI was realized by changing the stacking number n. Compared to the top of Fe, a large tensile stress at the bottom of Fe due to lattice mismatch was responsible for the chirality change in the sub/Au/Fe system. Layer-resolved DMI calculations revealed that the sign of the spin-orbit coupling (SOC) energy was changed for Au near the interface of Au/Fe under tensile stress, subsequently reversing the chirality of the i-DMI from left-handed to right-handed. Our findings provide a simplest way to tune the i-DMI in a multilayer system, further benefiting the application of skyrmion-based devices.
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Affiliation(s)
- W Zhang
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
| | - R Chen
- Fert Beijing Institute, School of Microelectronics, Beijing Advanced Innovation Center for Big Data and Brain Computing, Beihang University, Beijing 100191, China
| | - B Jiang
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
| | - X Zhao
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
| | - W Zhao
- Fert Beijing Institute, School of Microelectronics, Beijing Advanced Innovation Center for Big Data and Brain Computing, Beihang University, Beijing 100191, China
| | - S S Yan
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
| | - G Han
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
| | - S Yu
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
| | - G Liu
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
| | - S Kang
- School of Physics, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, China.
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39
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Wang B, Guo C, Liu Y, Han G, Li Y, Zhang Y, Xu H, Chen D. Novel nano-pomegranates based on astragalus polysaccharides for targeting ERα-positive breast cancer and multidrug resistance. Drug Deliv 2021; 27:607-621. [PMID: 32308054 PMCID: PMC7191906 DOI: 10.1080/10717544.2020.1754529] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Chemotherapy is an important method for treating breast cancer. However, multidrug resistance is one of the major challenges in breast cancer chemotherapy. There is an urgent need to develop novel, effective antitumor strategies that will perfect existing therapeutic regimens. In this study, the double-targeted nanocarrier, Quercetin-3'3-dithiodipropionic acid-Astragalus polysaccharides-Folic acid (QDAF), was successfully synthesized and self-assembled into a neoteric nano-targeted delivery strategy, named nano-pomegranates, and which were utilized to effectively inhibit multidrug resistance in estrogen receptor α (ERα)-positive breast tumor. The outstanding abilities of nano-pomegranates to release the drug in a reducing environment was determined by in vitro release assay. The cellular studies in MCF-7 cells were examined that nano-pomegranates have remarkable efficiencies of enhancing cellular uptake, inhibition and necrosis and apoptosis. In vivo antitumor experiments showed that nano-pomegranates have better anti-tumor effects and lower systemic toxicity than free Cur. In conclusion, nano-pomegranates have great potential in anti-breast cancer treatment.
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Affiliation(s)
- Bingjie Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China
| | - Chunjing Guo
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China
| | - Yanhui Liu
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, P. R. China
| | - Guangting Han
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, P. R. China
| | - Yi Li
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China.,State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, P. R. China
| | - Yanchun Zhang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Haiyu Xu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, P. R. China
| | - Daquan Chen
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, P.R. China.,State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, P. R. China
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40
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Xue K, Jin Z, Zhang B, Han G, Zhang C. Effects of Recombinant Human Erythropoietin on Inflammatory Factors in Rats with Traumatic Brain Injury. Indian J Pharm Sci 2021. [DOI: 10.36468/pharmaceutical-sciences.803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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41
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Zhang XF, Chen J, Wang PG, Luo SM, Liu NX, Li XM, He XL, Wang Y, Bi XG, Zhang P, Wang Y, Lv ZC, Zhou B, Mai W, Wu H, Hu Y, Wang DR, Luo FW, Xia LG, Lai JJ, Zhang DM, Wang Q, Han G, Wu XW, Ren JA. [Surgical site infection after abdominal surgery in China: a multicenter cross-sectional study]. Zhonghua Wei Chang Wai Ke Za Zhi 2020; 23:1036-1042. [PMID: 33212551 DOI: 10.3760/cma.j.cn.441530-20200810-00470] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: Surgical site infection (SSI) can markedly prolong postoperative hospital stay, aggravate the burden on patients and society, even endanger the life of patients. This study aims to investigate the national incidence of SSI following abdominal surgery and to analyze the related risk factors in order to provide reference for the control and prevention of SSI following abdominal surgery. Methods: A multicenter cross-sectional study was conducted. Clinical data of all the adult patients undergoing abdominal surgery in 68 hospitals across the country from June 1 to 30, 2020 were collected, including demographic characteristics, clinical parameters during the perioperative period, and the results of microbial culture of infected incisions. The primary outcome was the incidence of SSI within postoperative 30 days, and the secondary outcomes were ICU stay, postoperative hospital stay, cost of hospitalization and the mortality within postoperative 30-day. Multivariable logistic regression was used to analyze risk factors of SSI after abdominal surgery. Results: A total of 5560 patients undergoing abdominal surgery were included, and 163 cases (2.9%) developed SSI after surgery, including 98 cases (60.1%) with organ/space infections, 19 cases (11.7%) with deep incisional infections, and 46 cases (28.2%) with superficial incisional infections. The results from microbial culture showed that Escherichia coli was the main pathogen of SSI. Multivariate analysis revealed hypertension (OR=1.792, 95% CI: 1.194-2.687, P=0.005), small intestine as surgical site (OR=6.911, 95% CI: 1.846-25.878, P=0.004), surgical duration (OR=1.002, 95% CI: 1.001-1.003, P<0.001), and surgical incision grade (contaminated incision: OR=3.212, 95% CI: 1.495-6.903, P=0.003; Infection incision: OR=11.562, 95%CI: 3.777-35.391, P<0.001) were risk factors for SSI, while laparoscopic or robotic surgery (OR=0.564, 95%CI: 0.376-0.846, P=0.006) and increased preoperative albumin level (OR=0.920, 95%CI: 0.888-0.952, P<0.001) were protective factors for SSI. In addition, as compared to non-SSI patients, the SSI patients had significantly higher rate of ICU stay [26.4% (43/163) vs. 9.5% (514/5397), χ(2)=54.999, P<0.001] and mortality within postoperative 30-day [1.84% (3/163) vs.0.01% (5/5397), χ(2)=33.642, P<0.001], longer ICU stay (median: 0 vs. 0, U=518 414, P<0.001), postoperative hospital stay (median: 17 days vs. 7 days, U=656 386, P<0.001), and total duration of hospitalization (median: 25 days vs. 12 days, U=648 129, P<0.001), and higher hospitalization costs (median: 71 000 yuan vs. 39 000 yuan, U=557 966, P<0.001). Conclusions: The incidence of SSI after abdominal surgery is 2.9%. In order to reduce the incidence of postoperative SSI, hypoproteinemia should be corrected before surgery, laparoscopic or robotic surgery should be selected when feasible, and the operating time should be minimized. More attentions should be paid and nursing should be strengthened for those patients with hypertension, small bowel surgery and seriously contaminated incision during the perioperative period.
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Affiliation(s)
- X F Zhang
- Research Institute of General Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu 210002, China
| | - J Chen
- Research Institute of General Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu 210002, China
| | - P G Wang
- Department of Emergency Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, China
| | - S M Luo
- Department of Comprehensive Surgery, the People's Hospital of Xinjiang Uygur autonomous region, Urumqi, Xinjiang 830001, China
| | - N X Liu
- Department of Pancreatitis Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - X M Li
- Department of General Surgery, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan 450007, China
| | - X L He
- Department of General Surgery, the Second Affiliated Hospital of the Air Force Medical University, Xi'an, Shanxi 710038, China
| | - Y Wang
- Department of General Surgery, Yichang Central People's Hospital, the First College of Clinical Medical Science of Three Gorges University, Yichang, Hubei 443003, China
| | - X G Bi
- Department of Gastrointestinal and pancreatic Surgery, Shanxi Provincial People's Hospital, Taiyuan, Shanxi 030012, China
| | - P Zhang
- Department of Hepatobiliary Surgery, the First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Y Wang
- Department of General Surgery, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, China
| | - Z C Lv
- Department of General Surgery, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, China
| | - B Zhou
- Department of General Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China
| | - W Mai
- Department of Gastrointestinal Surgery, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, China
| | - H Wu
- Department of General Surgery, the First Hospital of Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Y Hu
- Department of Gastrointestinal Surgery, Sichuan People's Hospital, Chengdu, Sichuan 610072, China
| | - D R Wang
- Department of Gastrointestinal Surgery, Northern Jiangsu People's Hospital, Yangzhou, Jiangsu 225001, China
| | - F W Luo
- Department of Acute Abdominal Surgery, the Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116027, China
| | - L G Xia
- Department of Gastrointestinal Surgery, Shenzhen People's Hospital, Shenzhen, Guangdong 518020, China
| | - J J Lai
- Department of Gastrointestinal Surgery, Yuebei people's hospital, Shaoguan, Guangdong 512026, China
| | - D M Zhang
- Department of General Surgery, Baotou Central Hospital, Baotou, Inner Mongolia 014040, China
| | - Q Wang
- Department of Gastrointestinal Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - G Han
- Department of Gastrointestinal Nutrition and Hernia Surgery, the Second Hospital of Jilin University, Changchun, Jilin 130041, China
| | - X W Wu
- Research Institute of General Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu 210002, China
| | - J A Ren
- Research Institute of General Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu 210002, China
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Li Z, Gao JR, Song L, Wang PG, Ren JA, Wu XW, Luo SM, Zeng QJ, Weng YH, Xu XJ, Yuan QZ, Zhao J, Liao NS, Mai W, Wang F, Cao H, Wang SC, Han G, Wang DR, Wang H, Zhang J, Zhang H, Zhang DM, Liao WS, Zhao WW, Li W, Cui P, Chen X, Zhang HY, Yang T, Wang L, Gao YS, Li J, Wu JJ, Zhou W, Lyu ZJ, Fang J. [Risk factors for surgical site infection after emergency abdominal surgery: a multicenter cross-sectional study in China]. Zhonghua Wei Chang Wai Ke Za Zhi 2020; 23:1043-1050. [PMID: 33212552 DOI: 10.3760/cma.j.issn.441530-20200527-00315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: Surgical site infection (SSI) is the most common infectious complication after emergency abdominal surgery (EAS). To a large extent, most SSI can be prevented, but there are few relevant studies in China. This study mainly investigated the current situation of SSI occurrence after EAS in China, and further explored risk factors for SSI occurrence. Methods: Multi-center cross-sectional study was conducted. Clinical data of patients undergoing EAS in 33 hospitals across China between May 1, 2019 and June 7, 2019 were prospectively collected, including perioperative data and microbial culture results from infected incisions. The primary outcome was the incidence of SSI after EAS, while the secondary outcomes were postoperative hospital stay, ICU occupancy rate, length of ICU stay, hospitalization cost, and mortality within postoperative 30 days. Univariate and multivariate logistic regression models were used to analyze the risk factors of SSI after EAS. Results: A total of 660 EAS patients aged (47.9±18.3) years were enrolled in this study, including 56.5% of males (373/660). Forty-nine (7.4%) patients developed postoperative SSI. The main pathogen of SSI was Escherichia coli [culture positive rate was 32.7% (16/49)]. As compared to patients without SSI, those with SSI were more likely to be older (median 56 years vs. 46 years, U=19 973.5, P<0.001), male [71.4% (35/49) vs. 56.1% (343/611), χ(2)=4.334, P=0.037] and diabetes [14.3% (7/49) vs. 5.1% (31/611), χ(2)=5.498, P=0.015]; with-lower preoperative hemoglobin (median: 122.0 g/L vs. 143.5 g/L, U=11 471.5, P=0.006) and albumin (median: 35.5 g/L vs. 40.8 g/L, U=9452.0, P<0.001), with higher blood glucose (median: 6.9 mmol/L vs. 6.0 mmol/L, U=17 754.5, P<0.001); with intestinal obstruction [32.7% (16/49) vs. 9.2% (56/611), χ(2)=25.749, P<0.001], with ASA score 3-4 [42.9% (21/49) vs. 13.9% (85/611), χ(2)=25.563, P<0.001] and with high surgical risk [49.0% (24/49) vs. 7.0% (43/611), χ(2)=105.301, P<0.001]. The main operative procedure resulting in SSI was laparotomy [81.6%(40/49) vs. 35.7%(218/611), χ(2)=40.232, P<0.001]. Patients with SSI experienced significantly longer operation time (median: 150 minutes vs. 75 minutes, U=25 183.5, P<0.001). In terms of clinical outcome, higher ICU occupancy rate [51.0% (25/49) vs. 19.5% (119/611), χ(2)=26.461, P<0.001], more hospitalization costs (median: 44 000 yuan vs. 15 000 yuan, U=24 660.0, P<0.001), longer postoperative hospital stay (median: 10 days vs. 5 days, U=23 100.0, P<0.001) and longer ICU occupancy time (median: 0 days vs. 0 days, U=19 541.5, P<0.001) were found in the SSI group. Multivariate logistic regression analysis showed that the elderly (OR=3.253, 95% CI: 1.178-8.985, P=0.023), colorectal surgery (OR=9.156, 95% CI: 3.655-22.937, P<0.001) and longer operation time (OR=15.912, 95% CI:6.858-36.916, P<0.001) were independent risk factors of SSI, while the laparoscopic surgery (OR=0.288, 95% CI: 0.119-0.694, P=0.006) was an independent protective factor for SSI. Conclusions: For patients undergoing EAS, attention should be paid to middle-aged and elderly patients and those of colorectal surgery. Laparoscopic surgery should be adopted when feasible and the operation time should be minimized, so as to reduce the incidence of SSI and to reduce the burden on patients and medical institutions.
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Affiliation(s)
- Z Li
- Department of Emergency Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, China
| | - J R Gao
- Department of Emergency Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, China
| | - L Song
- Department of Emergency Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, China
| | - P G Wang
- Department of Emergency Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, China
| | - J A Ren
- Research Institute of General Surgery, East War Zone Hospital of PLA, Nanjing, Jiangsu 210002, China
| | - X W Wu
- Research Institute of General Surgery, East War Zone Hospital of PLA, Nanjing, Jiangsu 210002, China
| | - S M Luo
- Department of Gastrointestinal Surgery, the People's Hospital of Xinjiang Uygur Autonomous Region, Urumq, Xinjiang 830001, China
| | - Q J Zeng
- Department of General Surgery, Yueyang First People's Hospital, Yueyang, Hunan 414000, China
| | - Y H Weng
- Department of General Surgery, Shoukang Hospital, Huangshan, Anhui 245000, China
| | - X J Xu
- Department of General Surgery, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830001, China
| | - Q Z Yuan
- Department of Hepatobiliary Surgery, Shengli Oilfield Central Hospital, Dongying, Shandong 257000, China
| | - J Zhao
- Department of General Surgery, Shangqiu First People's Hospital, Shangqiu, Henan 476000, China
| | - N S Liao
- Department of General Surgery, Taizhou First People's Hospital, Taizhou, Zhejiang 318000, China
| | - W Mai
- Department of Gastrointestinal Surgery, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, China
| | - F Wang
- Department of Gastrointestinal Surgery, the Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing 102218, China
| | - H Cao
- Department of General Surgery, General Hospital of Oriental Hospital Group, Huainan, Anhui 232001, China
| | - S C Wang
- Department of General Surgery, the 901th Hospital of PLA Joint Logistic Support Force, Hefei, Anhui 230031, China
| | - G Han
- Department of Gastrointestinal Surgery, the Second Hospital of Jilin University, Changchun, Jilin 130000, China
| | - D R Wang
- Department of General Surgery, Subei People's Hospital, Yangzhou, Jiangsu 225001, China
| | - H Wang
- Department of General Surgery, Dongying People's Hospital, Dongying, Shandong 257091, China
| | - J Zhang
- Department of General Surgery, FAW General Hospital, Changchun, Jilin 100191, China
| | - H Zhang
- Department of General Surgery, Dongguan Kanghua Hospital, Dongguan, Guangdong 523080, China
| | - D M Zhang
- Department of General Surgery, Baotou Central Hospital, Baotou, Inmer Mongolia 014040, China
| | - W S Liao
- Department of General Surgery, Traditional Chinese Medicine Hospital of Langxi County, Xuancheng, Anhui 242000, China
| | - W W Zhao
- Department of General Surgery, Xishan People's Hospital, Wuxi, Jiangsu 214100, China
| | - W Li
- Department of General Surgery, Xuzhou First People's Hospital, Xuzhou, Jiangsu 221002, China
| | - P Cui
- Department of General Surgery, Heji Hospital Affiliated to Changzhi Medical College, Changzhi, Shanxi 140400, China
| | - X Chen
- Department of General Surgery, the Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116023, China
| | - H Y Zhang
- Department of General Surgery, Nanyang Central Hospital, Nanyang, Henan 476000, China
| | - T Yang
- Department of General Surgery, Tianjin First Central Hospital, Tianjin 300192, China
| | - L Wang
- Department of General Surgery, the 900th Hospital of the PLA, Fuzhou, Fujian 350000, China
| | - Y S Gao
- Department of Gastrointestinal Surgery,the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - J Li
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - J J Wu
- Department of General Surgery, Liyang People's Hospital, Liyang, Jiangsu 213300, China
| | - W Zhou
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310020, China
| | - Z J Lyu
- Department of Gastrointestinal Surgery, Guangdong Provincial People's Hospital, Guangzhou, Guangdong 510030, China
| | - J Fang
- Department of General Surgery, the First People's Hospital, Zhangjiagang, Jiangsu 100191, China
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Li Y, Liu FR, Han G, Chen QY, Zhao ZP, Xie XX, Huang Y, Yuan YP. Design of low loss 1 × 1 and 1 × 2 phase-change optical switches with different crystalline phases of Ge 2Sb 2Te 5 films. Nanotechnology 2020; 31:455206. [PMID: 32707570 DOI: 10.1088/1361-6528/aba928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
On-chip photonics devices relying on the weak, volatile thermo-optic or electro-optic effects of silicon usually suffer from high insertion loss (IL) and a low refractive index coefficient. In this paper, we designed two novel 1 × 1 and 1 × 2 phase-change optical switches based on a signal-mode Si waveguide integrated with a Ge2Sb2Te5 (GST) top clad layer, respectively. The three-state switch including amorphous GST (a-GST), face centered cubic crystalline phase (FCC-GST) and hexagonal crystalline phase (HCP-GST) operated by utilizing the dramatic difference in the optical constants between the amorphous and two crystalline phases of GST. In the case of the 1 × 1 optical switch, an extinction ratio (ER) of 8.9 dB and an extremely low IL of 0.8 dB were achieved using an optimum GST length of only 2 μm. While for the 1 × 2 optical switch, low ILs in the range of 0.15 ∼ 0.35 dB for both 'cross' (a-GST) and 'bar' (FCC-GST and HCP-GST) states were also obtained. Additionally, we found that both ILs and mode losses of the switch with HCP-GST were about half lower than those with FCC-GST, which means FCC-GST could be instituted by HCP-GST in the traditional ovonic switch with the consideration of low loss. This research provides the fundamental understanding for the realization of low loss and non-volatile Si-GST hybrid optical switches, with potential for future communication networks.
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Affiliation(s)
- Y Li
- Key Laboratory of Trans-scale Laser Manufacturing, (Beijing University of Technology), Ministry of Education, Beijing 100124 People's Republic of China. Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124 People's Republic of China. Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124 People's Republic of China
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Imanishi A, Kawazoe T, Hamada Y, Kumagai T, Tsutsui K, Sakai N, Eto K, Noguchi A, Shimizu T, Takahashi T, Han G, Mishima K, Kanbayashi T, Kondo H. Early detection of Niemann-pick disease type C with cataplexy and orexin levels: continuous observation with and without Miglustat. Orphanet J Rare Dis 2020; 15:269. [PMID: 32993765 PMCID: PMC7523321 DOI: 10.1186/s13023-020-01531-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 09/07/2020] [Indexed: 12/30/2022] Open
Abstract
Study objectives Niemann-Pick type C (NPC) is an autosomal recessive and congenital neurological disorder characterized by the accumulation of cholesterol and glycosphingolipids. Symptoms include hepatosplenomegaly, vertical supranuclear saccadic palsy, ataxia, dystonia, and dementia. Some cases frequently display narcolepsy-like symptoms, including cataplexy which was reported in 26% of all NPC patients and was more often recorded among late-infantile onset (50%) and juvenile onset (38%) patients. In this current study, we examined CSF orexin levels in the 10 patients of NPC with and without cataplexy, which supports previous findings. Methods Ten patients with NPC were included in the study (5 males and 5 females). NPC diagnosis was biochemically confirmed in all 10 patients, from which 8 patients with NPC1 gene were identified. We compared CSF orexin levels among NPC, narcoleptic and idiopathic hypersomnia patients. Results Six NPC patients with cataplexy had low or intermediate orexin levels. In 4 cases without cataplexy, their orexin levels were normal. In 5 cases with Miglustat treatment, their symptoms stabilized or improved. For cases without Miglustat treatment, their conditions worsened generally. The CSF orexin levels of NPC patients were significantly higher than those of patients with narcolepsy-cataplexy and lower than those of patients with idiopathic hypersomnia, which was considered as the control group with normal CSF orexin levels. Discussion Our study indicates that orexin level measurements can be an early alert of potential NPC. Low or intermediate orexin levels could further decrease due to reduction in the neuronal function in the orexin system, accelerating the patients’ NPC pathophysiology. However with Miglustat treatment, the orexin levels stabilized or improved, along with other general symptoms. Although the circuitry is unclear, this supports that orexin system is indeed involved in narcolepsy-cataplexy in NPC patients. Conclusion The NPC patients with cataplexy had low or intermediate orexin levels. In the cases without cataplexy, their orexin levels were normal. Our study suggests that orexin measurements can serve as an early alert for potential NPC; furthermore, they could be a marker of therapy monitoring during a treatment.
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Affiliation(s)
- A Imanishi
- Department of Psychiatry, Akita University Graduate School of Medicine, Akita, Japan
| | - T Kawazoe
- Department of Neurology, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Y Hamada
- Department of Pediatrics, Toyonaka Municipal Hospital, Toyonaka, Japan
| | - T Kumagai
- National Center for Child Health and Development, Tokyo, Japan
| | - K Tsutsui
- Department of Psychiatry, Akita University Graduate School of Medicine, Akita, Japan
| | - N Sakai
- Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka, Japan
| | - K Eto
- Department of Pediatrics, Tokyo Women's Medical University, Tokyo, Japan
| | - A Noguchi
- Department of Pediatrics, Akita University Graduate School of Medicine, Akita, Japan
| | - T Shimizu
- Akita Mental Health and Welfare Center, Akita, Japan
| | - T Takahashi
- Department of Pediatrics, Akita University Graduate School of Medicine, Akita, Japan
| | - G Han
- International Institute for Integrative Sleep Medicine (IIIS), University of Tsukuba, Tsukuba, 305-8575, Japan
| | - K Mishima
- Department of Psychiatry, Akita University Graduate School of Medicine, Akita, Japan.,International Institute for Integrative Sleep Medicine (IIIS), University of Tsukuba, Tsukuba, 305-8575, Japan
| | - T Kanbayashi
- International Institute for Integrative Sleep Medicine (IIIS), University of Tsukuba, Tsukuba, 305-8575, Japan.
| | - H Kondo
- International Institute for Integrative Sleep Medicine (IIIS), University of Tsukuba, Tsukuba, 305-8575, Japan
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Dong T, Li Q, Nie K, Jiang W, Li S, Hu X, Han G. Facile Fabrication of Marine Algae-Based Robust Superhydrophobic Sponges for Efficient Oil Removal from Water. ACS Omega 2020; 5:21745-21752. [PMID: 32905415 PMCID: PMC7469389 DOI: 10.1021/acsomega.0c02731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 07/28/2020] [Indexed: 05/12/2023]
Abstract
Water pollution caused by oil spillages has aroused worldwide attention. Therefore, it is of great significance to develop low-cost, environmentally friendly materials to remove oil contaminants from water. Herein, a "green" superhydrophobic sponge made from marine algae was fabricated by one-step growth of silicone nanofilaments onto a AgNP-decorated alginate sponge via chemical vapor deposition of an azeotrope of (CH3)3SiCl and SiCl4. The reaction of the azeotrope with the alginate sponge was termed "instant", as it took only a few minutes (5 min) at room temperature to achieve superhydrophobicity (152.0°). Such sponges resist high temperatures, UV irradiation, organic solvents, and mechanical abrasion without losing the superhydrophobicity. The sponges absorbed oil droplets within seconds (1.3-7.0 s) with 11.7-17.1 g/g of sorption capacities for oils of different viscous levels (0.56-1775.00 mPa·s). These sponges could retain 90% of the initial oil sorption capacities after 10 consecutive oil sorption/desorption cycles. Benefiting from the superhydrophobicity and superoleophilicity, the sponges also exhibited high efficiency in oil/water mixture separation. Once the oil/water mixture was injected into the sponge, oil drops were retained in inner pores while water was rejected and spouted from the surface. These excellent performances make the resultant sponge a competitive material for oil spill emergency remediation.
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Affiliation(s)
- Ting Dong
- Key
Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- College
of Textile, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
| | - Qiang Li
- Key
Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- College
of Textile, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
| | - Kai Nie
- Key
Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- College
of Textile, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
| | - Wei Jiang
- Key
Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- College
of Textile, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
| | - Shouzhen Li
- Key
Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- College
of Textile, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
| | - Xinyi Hu
- Key
Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
| | - Guangting Han
- Key
Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao 266071, P. R. China
- College
of Textile, Qingdao University, #308, Ningxia Road, Qingdao 266071, P. R. China
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Zheng JW, Cai SY, Song HM, Wang YL, Han XF, Wu HL, Han G, Gao ZG. [Clinical value of intact parathyroid hormone levels on the first day after total thyroidectomy on prediction for permanent hypoparathyroidism]. Zhonghua Wai Ke Za Zhi 2020; 58:626-630. [PMID: 32727195 DOI: 10.3760/cma.j.cn112139-20190822-00430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To examine the value serum calcium and intact parathyroid hormone (iPTH) levels measured on the first day after total thyroidectomy on prediction for permanent hypoparathyroidism. Methods: Totally 546 patients with thyroid cancer and benign thyroid lesions who underwent total thyroidectomy at Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University from February 2008 to December 2018 were analyzed retrospectively. There were 158 males and 388 females aging (50.9±13.2) years (range: 19.0 to 79.2 years). Serum calcium and iPTH levels were collected before surgery, on the first day and 6 months after surgery. Logistic regression was used to analyze the correlation between each data and the occurrence of permanent hypoparathyroidism after surgery.The area under the receiver operating characteristic curve was used to evaluate the predictive power of iPTH for postoperative occurrence of permanent hypoparathyroidism. Results: Among the 546 cases of total thyroidectomy, 22 cases of permanent hypoparathyroidism occurred, with an incidence of 4.0% (22/546). Multivariate analysis showed that iPTH levels on the first day after total thyroidectomy (OR=2.932, 95%CI: 1.129 to 7.616, P=0.027) and serum calcium levels (OR=2.584, 95%CI: 1.017 to 6.567, P=0.046) were independent prognosis factors for postoperative permanent hypoparathyroidism. When the threshold value of iPTH at 24 hours after total thyroidectomy was 5.51 ng/L, the AUC was 0.956 (95%CI: 0.936 to 0.972, P=0.000), sensitivity was 100%, specificity was 85.1%, positive predictive value was 22%, negative predictive value was 100%. When the threshold value of serum calcium at 24 hours after total thyroidectomy was 1.93 mmol/L, the AUC was 0.733 (95%CI: 0.694 to 0.770, P=0.000), sensitivity was 63.6%, specificity was 78.1%, positive predictive value of 10.8% and negative predictive value of 98.1%. Conclusions: Serum iPTH and calcium levels on the first day after total thyroidectomy were related to the occurrence of permanent hypoparathyroidism postoperatively. The predictive value of iPTH level is higher than that of serum calcium level.
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Affiliation(s)
- J W Zheng
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - S Y Cai
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - H M Song
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - Y L Wang
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - X F Han
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - H L Wu
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - G Han
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - Z G Gao
- Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
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Liu L, Li X, Ma Y, Wu C, Han G. Selective Catalytic Hydrosilylation of Ethylene. Preparation of Ethyltrimethoxysilane by H2O Promoted RuCl3 ⋅ 3H2O Catalyst. Kinet Catal 2020. [DOI: 10.1134/s0023158420030167] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Saletin JM, Koopman-Verhoeff M, Han G, Barker DH, Carskadon MA, Anders TF, Sheinkopf SJ. 1002 Endorsement Of Sleep Problems Indexes Autism Severity In Children And Adolescents: Evidence From A Large Community Sample. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction
Individuals with autism spectrum disorder (ASD) often experience sleep problems. A reliance on case-control studies rather than dimensional samples limit our ability to understand how sleep problems distinguish diagnosis and severity of ASD. To address this need, we present preliminary findings from a large community sample of individuals with heterogeneous autism phenotypes.
Methods
All participants (≤ 21 years) were selected from the Rhode Island Consortium for Autism Research and Treatment (RI-CART) (final n= 977; 233F; 11.27±4.13 years), a public-private-academic registry of families in Rhode Island affected by ASD-like symptoms. Participants completed the Autism Diagnostic Observation Schedule, 2nd Edition to confirm the presence of diagnosable ASD. Each caretaker also completed dimensional measures of functional impairment: Social Responsiveness Scale, 2nd edition and the Vineland Adaptive Behavior Scale (2nd/3rd editions). Caretakers were asked whether the participant suffered current/past sleep problems: yes/no. All analyses are adjusted for age, sex, race, ethnicity, caregiver education, and scale-version (e.g., 2nd/3rd ed., where applicable).
Results
Endorsement of sleep problems distinguished ASD diagnosis: a confirmed diagnosis of ASD was associated with greater prevalence of sleep problems compared to ASD diagnosis (OR: 1.58; 95% CI: 1.05,2.38; p = .028). Across the sample, endorsement of sleep problems was associated with impairments in adaptive behavior (b = -4.73; 95% CI: -7.47,-2.00045; p = .001) and social responsiveness (b = 6.72; 95% CI: 3.27,10.16; p < .001).
Conclusion
These data from a heterogenous community sample provide evidence for a link of sleep to the phenomenology of ASD. While the search for better diagnostic indicators of ASD continues, we recommend that clinicians consider a brief assessment of sleep behaviors of patients with such neurodevelopmental conditions as autism.
Support
Simons Foundation Autism Research Initiative, Hassenfeld Child Health Innovation Institute at Brown University. K01MH109854 (JMS), NIGMS Advance CTR (JMS). KNAW Ter Meulen Grant (MEKV).
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Affiliation(s)
| | | | - G Han
- Brown University, Providence, RI
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Wu F, Ben H, Yang Y, Jia H, Wang R, Han G. Effects of Different Conditions on Co-Pyrolysis Behavior of Corn Stover and Polypropylene. Polymers (Basel) 2020; 12:polym12040973. [PMID: 32331357 PMCID: PMC7240512 DOI: 10.3390/polym12040973] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/10/2020] [Accepted: 04/13/2020] [Indexed: 11/16/2022] Open
Abstract
The pyrolysis behavior of corn stover and polypropylene during co-pyrolysis was studied using a tube furnace reactor. The effects of mixing ratio of corn stover and polypropylene, pyrolysis temperature, addition amount of catalyst (HZSM-5) and reaction atmosphere (N2 and CO2) on the properties of pyrolysis products were studied. The results showed that co-pyrolysis of corn stover and polypropylene can increase the yield of pyrolysis oil. When corn stover:polypropylene = 1:3, the yield of pyrolysis oil was as high as 52.1%, which was 4.5% higher than the theoretical value. With the increase of pyrolysis temperature, the yield of pyrolysis oil increased first and then decreased, and reached the optimal yield at 550 °C. The addition of catalyst (HZSM-5) reduced the proportion of oxygenates and promoted the generation of aromatic hydrocarbons. CO2 has a certain oxidation effect on the components of pyrolysis oil, which promoted the increase of oxygen-containing aromatics and the reduction of deoxy-aromatic hydrocarbons. This study identified the theoretical basis for the comprehensive utilization of plastic and biomass energy.
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Affiliation(s)
- Fengze Wu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China; (F.W.); (Y.Y.); (H.J.); (R.W.)
| | - Haoxi Ben
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China; (F.W.); (Y.Y.); (H.J.); (R.W.)
- Correspondence: ; Tel.: +86-188-5107-5775
| | - Yunyi Yang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China; (F.W.); (Y.Y.); (H.J.); (R.W.)
| | - Hang Jia
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China; (F.W.); (Y.Y.); (H.J.); (R.W.)
| | - Rui Wang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China; (F.W.); (Y.Y.); (H.J.); (R.W.)
| | - Guangting Han
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China;
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Khan S, Jun L, Nawsherwan, Siddique R, Li Y, Han G, Xue M, Nabi G, Liu J. Association of COVID-19 with pregnancy outcomes in health-care workers and general women. Clin Microbiol Infect 2020; 26:788-790. [PMID: 32278081 PMCID: PMC7141623 DOI: 10.1016/j.cmi.2020.03.034] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/18/2020] [Accepted: 03/27/2020] [Indexed: 12/15/2022]
Affiliation(s)
- S Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - L Jun
- Department of Obstetrics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Nawsherwan
- Department of Nutrition and Food Hygiene, School of Health Sciences, Wuhan University, Wuhan, Hubei, China
| | - R Siddique
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Y Li
- Department of Radiology, Wuhan Health Maternal and Infant Hospital, Wuhan, Hubei Province, China
| | - G Han
- Department of Radiation Oncology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - M Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - G Nabi
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, China.
| | - J Liu
- Department of Respiratory Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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