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Vortex‑Inspired Hydrodynamic Drafting Spinning Platform for Large‑Scale Preparation of Hydrogel Fibers

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Advanced Fiber Materials 2024年第6期6卷 1710-1728页

作者： Jinhua Dong Lei Wang Yi Chen Boyu Xu Hai Tang Ziqiang Zhao Weikang Lin Huijing Hu Peihang Li Runfeng Cao Long Wang Lei Zhang Yunlang She Bingyao Deng weiyan sun Chang Chen Dawei Li Nonwoven Technology Laboratory College of Textile Science and EngineeringJiangnan UniversityWuxi 214122JiangsuChina Department of Thoracic Surgery Shanghai Pulmonary HospitalTongji University School of MedicineShanghai 200092China Shanghai Engineering Research Center of Lung Transplantation Shanghai 200433China

Hydrogel fibers have gained considerable attention,but their large-scale production and industrial application are currently *** key lies in precise diameter control and industrial manufacturing with a straightforward,energy-saving,and efficient ***,we introduce a hydrodynamic drafting spinning platform inspired by water *** employs the rotation of a nonsolvent to generate vortices and further facilitate the efficient drafting of hydrogel *** sup-porting equipment,we have achieved impressive results,including scalable production capabilities(1 h,single channel output of 2×10^(3) m of fibers)and extensive ***,by simply regulating the velocity difference between fiber extrusion and fluid vortex,hydrogel fibers can be drafted to any diameter from about 1 mm to 5×10^(-2) mm(for chi-tosan system).Notably,this platform endows hydrogel fibers to carry functional hydrophilic or hydrophobic *** significant,these delicate hydrogel fibers seamlessly integrate with subsequent manufacturing *** allows the production of various end products,such as fiber bundles,yarns,fabrics,and ***,the immense potential in biomedical applications has been demonstrated after obtaining hydrogel fiber-based nonwoven as wound *** summary,the hydrodynamic drafting spinning platform offers an effective solution for the large-scale production of diameter-controllable,multifunctional hydrogel fibers.

关键词： Hydrogel fiber Hydrodynamic drafting spinning platform Large-scale production Gentle drafting Biomedical application

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碳基电极材料的改性方法与应用进展

材料导报 2024年第22期38卷 91-99页

作者：师楷雁白杰孙炜岩内蒙古工业大学化工学院呼和浩特010051 内蒙古工业催化重点实验室呼和浩特010051

碳基材料具有比表面积大、导电性高、化学稳定性好和形貌易调控的优点,被广泛应用于各类电化学反应和电化学能源存储领域中。本文总结了碳基电极材料在电化学领域中的最新研究进展。首先介绍了如何利用调控孔隙结构、掺杂稀土元素、掺... 详细信息

碳基材料具有比表面积大、导电性高、化学稳定性好和形貌易调控的优点,被广泛应用于各类电化学反应和电化学能源存储领域中。本文总结了碳基电极材料在电化学领域中的最新研究进展。首先介绍了如何利用调控孔隙结构、掺杂稀土元素、掺杂非金属元素N/S和与金属氧化物等材料复合的改性方法,实现碳基电极材料的双功能化。其次概述了碳基电极材料在超级电容器和电催化领域中用于能源存储及电化学性能优化的研究现状。最后展望了碳基电极材料在电化学领域中面临的挑战和未来的探索方向。

关键词：碳基材料改性方法超级电容器电催化电化学储能

Vascular Endothelial Growth Factor‑Recruiting Nanofiber Bandages Promote Multifunctional Skin Regeneration via Improved Angiogenesis and Immunomodulation

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Advanced Fiber Materials 2023年第1期5卷 327-348页

作者： Yi Chen Zhengchao Yuan weiyan sun Muhammad Shafiq Jun Zhu Jiafei Chen Hai Tang Ling Hu Weikang Lin Yanxi Zeng Long Wang Lei Zhang Yunlang She Hui Zheng Guofang Zhao Dong Xie Xiumei Mo Chang Chen Department of Thoracic Surgery Shanghai Pulmonary HospitalTongji UniversityShanghai 200092China Shanghai Engineering Research Center of Lung Transplantation Shanghai 200433China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Shanghai Engineering Research Center of Nano‑Biomaterials and Regenerative MedicineCollege of Biological Science and Medical EngineeringDonghua UniversityShanghai 201620China Center for Life Science Tsinghua UniversityBeijing 100084China State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science Institutes of Brain ScienceFudan UniversityShanghai 200433China Department of Chemical Engineering Faculty of EngineeringGraduate SchoolKyushu UniversityFukuoka 819‑0395Japan Department of Cardiology Shanghai Tenth People’s HospitalSchool of MedicineTongji UniversityShanghai 200092China Department of Biotechnology Faculty of Science and TechnologyUniversity of Central Punjab(UCP)Lahore 54000Pakistan Department of Cardiothoracic Surgery Hwa Mei HospitalUniversity of Chinese Academy of SciencesNingbo 315000China Ningbo Institute of Life and Health Industry University of Chinese Academy of SciencesNingbo 315000China

Tissue injury leads to gradients of chemoattractants,which drive multiple processes for tissue repair,including the inflam-matory response as well as endogenous cell ***,a limited time window for the gradients of chemoattract-ants as well as their poor stability at the injury site may not translate into healthy tissue ***,intelligent multifunctional scaffolds with the capability to stabilize injury-induced cytokines and chemokines hold great promise for tissue *** endothelial growth factor(VEGF)plays a significant role in wound healing by promoting *** overarching objective of this research was to develop intelligent multifunctional scaffolds with the capability to endogenously recruit VEGF and promote wound healing via angiogenic and immunomodulatory dual ***-1-derived peptide(PR1P)was encapsulated into electrospun poly(L-lactide-coglycolide)/gelatin(P/G)-based *** sustained release of PR1P recruited VEGF in situ,thereby stabilizing the protein concentration peak in vivo and affording a reparative microenvironment with an adequate angiogenic ability at the wound ***,PR1P-recruited VEGF-induced macrophage reprogramming towards M2-like phenotypes further conferred immunomodulatory functions to the *** dual functions of proangiogenesis and immunomodulation formed a cascade amplification,which regulated matrix metalloproteinases(MMP-9)as well as inflammatory factors(nuclear factor(NF)-κb,tumor necrosis factor(TNF)-α)in the wound microenvironment via the VEGF/macrophages/microenvironment ***,the bandages realized multifunctional regeneration in splinted excisional wounds in rats,with or without diabetes,affording a higher skin append-age neogenesis,sensory function,and collagen ***,our approach encompassing in situ recruitment of VEGF at the injury site with the capability to promote immunomodulation-mediated tissue repair affords a p

关键词： Skin regeneration Angiogenesis Immunomodulation Peptide Wound bandage Electrospun nanofiber

Correction:Vascular Endothelial Growth Factor‑Recruiting Nanofiber Bandages Promote Multifunctional Skin Regeneration via Improved Angiogenesis and Immunomodulation

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Advanced Fiber Materials 2024年第6期6卷 1999-2000页

作者： Chen, Yi Yuan, Zhengchao sun, weiyan Shafiq, Muhammad Zhu, Jun Chen, Jiafei Tang, Hai Hu, Ling Lin, Weikang Zeng, Yanxi Wang, Long Zhang, Lei She, Yunlang Zheng, Hui Zhao, Guofang Xie, Dong Mo, Xiumei Chen, Chang Department of Thoracic Surgery Shanghai Pulmonary Hospital School of Medicine Tongji University Shanghai China Shanghai Engineering Research Center of Lung Transplantation Shanghai China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine College of Biological Science and Medical Engineering Donghua University Shanghai China Department of Chemical Engineering Faculty of Engineering Graduate School Kyushu University Fukuoka Japan Department of Biotechnology Faculty of Science and Technology University of Central Punjab (UCP) Lahore Pakistan Center for Life Science Tsinghua University Beijing China State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science Institutes of Brain Science Fudan University Shanghai China Department of Cardiology Shanghai Tenth People’s Hospital School of Medicine Tongji University Shanghai China Department of Cardiothoracic Surgery Hwa Mei Hospital University of Chinese Academy of Sciences Ningbo China Ningbo Institute of Life and Health Industry University of Chinese Academy of Sciences Ningbo China

In Fig. 5f in this article the authors missed a quantitative pseudocolor analysis picture and instead repeated a staining picture from Fig. 5e. The corrected Fig. 5 is as follows: (Figure presented.) P/G-PR1P bandages regulated collagen deposition in vivo. a–c Masson’s trichrome staining of full-length skin sections within the area of the splint at Day 14 (a) and Day 18 (b) (n = 6). Scale bar, 1 mm. c Magnified images of the wound centre. White arrows represent horizontally oriented collagen bundles, red arrows represent basket weave-like collagen networks, and red stars represent skin appendages. Scale bar, 200 μm. d‒i Analysis of the collagen arrangement. Representative images showing the collagen arrangement and pseudocolour images of the normal skin (d), wounds in the splinted only group (e), and wounds in the P/G-0.2 mg PR1P bandage-treated group (f). Scale bar, 200 μm. g Quantification of the length of horizontally oriented collagen bundles at Day 18 (n = 6). h Heatmap of collagen proportion in different directions at Day 18. i Quantification of the collagen I/III ratio at Day 18. *P © Donghua University, Shanghai, China 2024.

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浮萍的生物学功能及其在畜禽生产中的应用

动物营养学报 2024年第4期36卷 2199-2207页

作者：孙炜妍马玉彬李习龙蒋显仁中国农业科学院饲料研究所农业农村部饲料生物技术重点实验室北京100081 中国海洋大学海洋生命学院青岛266003

我国畜牧业面临着蛋白质饲料成本过高和饲用蛋白质资源匮乏等问题,寻找新型非常规蛋白质饲料资源是当前养殖业的重要工作。浮萍是一种产量大、来源广、蛋白质含量高的漂浮植物,具有良好的促生长、抗氧化、抗炎、抗菌等生物学功能,在畜... 详细信息

我国畜牧业面临着蛋白质饲料成本过高和饲用蛋白质资源匮乏等问题,寻找新型非常规蛋白质饲料资源是当前养殖业的重要工作。浮萍是一种产量大、来源广、蛋白质含量高的漂浮植物,具有良好的促生长、抗氧化、抗炎、抗菌等生物学功能,在畜牧生产中应用前景广阔。本文综述了浮萍的概况、生物学功能及其在畜禽生产中的应用效果,旨在为浮萍在畜禽生产中的深入研究和应用推广提供参考依据。

关键词：浮萍生物学功能畜禽生产

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沂蒙精神融入党性教育的价值意蕴及实践路径

沂蒙干部学院学报 2023年第3期 54-61页

作者：孙维雁沂蒙干部学院沂蒙精神研究部山东临沂276000

沂蒙精神是对党员进行党性教育的宝贵精神财富,其中蕴含的“党群同心、军民情深、水乳交融、生死与共”的丰富内涵,是党员党性教育的重要载体和依托。新时代,将沂蒙精神融入党员党性教育是一个双向的互动过程,既能切实弘扬沂蒙精神、永... 详细信息

沂蒙精神是对党员进行党性教育的宝贵精神财富,其中蕴含的“党群同心、军民情深、水乳交融、生死与共”的丰富内涵,是党员党性教育的重要载体和依托。新时代,将沂蒙精神融入党员党性教育是一个双向的互动过程,既能切实弘扬沂蒙精神、永葆政党本色,又能提高党员党性修养。通过探寻沂蒙精神涵养党性修养的契合点、创新沂蒙精神和党性教育相融合的方式方法、以实践调研促价值目标和精神品格的现实转化三个方面,切实将沂蒙精神融入党员党性教育,这是提升党员党性修养及建设强大马克思主义执政党的需要,也是凝心聚力实现第二个百年奋斗目标、建成社会主义现代化强国的必然要求。

关键词：沂蒙精神党性教育价值意蕴实践路径

税收征管数字化对资本结构动态调整的影响研究

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金融理论与实践 2024年第1期 13-21页

作者：孙伟艳李雨洁黑龙江八一农垦大学经济管理学院黑龙江大庆163000

为进一步优化企业资本结构,推动实体经济高质量发展,聚焦税收征管数字化与资本结构动态调整的关系,基于2012—2021年沪深A股上市公司数据,探究了税收征管数字化对企业资本结构动态调整的影响。研究发现,税收征管数字化加快了资本结构调... 详细信息

为进一步优化企业资本结构,推动实体经济高质量发展,聚焦税收征管数字化与资本结构动态调整的关系,基于2012—2021年沪深A股上市公司数据,探究了税收征管数字化对企业资本结构动态调整的影响。研究发现,税收征管数字化加快了资本结构调整速度,并显著提高了企业增减债务调整资本结构的概率,对权益融资调整方式的影响不显著。进一步研究发现,在小规模、高盈利及外部审计质量较差的企业中,税收征管数字化对资本结构动态调整的影响更明显。研究结论为进一步完善智能化监管和优化企业资本结构提供了新的参考依据。

关键词：税收征管数字化资本结构动态调整调整速度调整方式

分级阅读推广的探索与实践——《分级阅读:读物提升幸福》评述

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河南图书馆学刊 2022年第5期42卷 2-3,12页

作者：孙伟彦河南师范大学图书馆河南新乡453007

《分级阅读:读物提升幸福》一书通俗易懂,深入浅出,介绍了大量关于分年龄分类别推荐的阅读书目,以中外分级阅读异同为纲,聚焦了儿童阅读素养与阅读能力的提升问题,探索了分级阅读的理论基础、实践价值与实现途径,并从数字阅读视角,创新... 详细信息

《分级阅读:读物提升幸福》一书通俗易懂,深入浅出,介绍了大量关于分年龄分类别推荐的阅读书目,以中外分级阅读异同为纲,聚焦了儿童阅读素养与阅读能力的提升问题,探索了分级阅读的理论基础、实践价值与实现途径,并从数字阅读视角,创新性地提出了全民分级阅读的新举措。

关键词：分级阅读阅读推广中外分级阅读数字阅读

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急性重度有机磷农药中毒患者死亡危险因素分析

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临床荟萃 2015年第4期30卷 397-400页

作者：孙玮艳首都医科大学附属北京潞河医院ICU科北京101149

目的探讨急性重度有机磷农药中毒死亡的危险因素。方法回顾性分析急性重度有机磷农药中毒44例患者的临床资料,对各项危险因素进行统计分析,比较患者的病死率。结果 44例急性重度有机磷农药中毒患者住院期间病死率22.7%(10/44),其中急性... 详细信息

目的探讨急性重度有机磷农药中毒死亡的危险因素。方法回顾性分析急性重度有机磷农药中毒44例患者的临床资料,对各项危险因素进行统计分析,比较患者的病死率。结果 44例急性重度有机磷农药中毒患者住院期间病死率22.7%(10/44),其中急性生理学及慢性健康状况评分(APACHE)≥20分和<20分、年龄≥60岁和<60岁、合并低血压和未合并低血压、合并低氧血症和未合并低氧血症、合并代谢性酸中毒和未合并代谢性酸中毒的患者病死率比较,差异均有统计学意义(P<0.05或<0.01)。结论 APACHEⅡ分值、高龄、低血压、低氧血症、代谢性酸中毒可能是急性重度有机磷农药中毒患者死亡的危险因素,在临床中可以用于评估患者病情严重程度与死亡风险。

关键词：中毒有机磷化合物病死率危险因素