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Hydrogels with Dynamically Controllable Mechanics and Biochemistry for 3D Cell Culture Platforms

Chinese Journal of Polymer Science 2022年第1期40卷 38-46页

作者： Hai-Yang Wu Lei Yang Jiang-Shan Tu Jie Wang Jin-Ge Li hong-ying lv Xiao-Niu Yang State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China School of Applied Chemistry and Engineering University of Science and Technology of ChinaHefei 230026China Polymer Composite Engineering Laboratory Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China Huangpu Institute of Advanced Materials Changchun Institute of Applied ChemistryChinese Academy of SciencesGuangzhou 510530China

Many cell-matrix interaction studies have proved that dynamic changes in the extracellular matrix(ECM)are crucial to maintain cellular properties and ***,developing materials that can recapitulate the dynamic attributes of the ECM is highly desired for threedimensional(3 D)cell culture *** this end,we sought to develop a hydrogel system that would enable dynamic and reversible turning of its mechanical and biochemical properties,thus facilitating the control of cell culture to imitate the natural ***,a hydrogel with dynamic mechanics and a biochemistry based on an addition-fragmentation chain transfer(AFCT)reaction was ***-modified hyaluronic acid(HA)and allyl sulfide-modifiedε-poly-L-lysine(EPL)were synthesized to form hydrogels,which were non-swellable and *** reversible modulus of the hydrogel was first achieved through the AFCT reaction;the modulus can also be regulated stepwise by changing the dose of UVA *** patterning of fluorescent markers in the hydrogel was also ***,this dynamically controllable hydrogel has great potential as a 3 D cell culture platform for tissue engineering applications.

关键词： Hydrogel Addition-fragmentation chain transfer Dynamic mechanics Controllable biochemistry 3D cell culture platform

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Two different mutational types of familial gastrointestinal stromal tumors:Two case reports

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World Journal of Gastrointestinal Oncology 2024年第9期16卷 4028-4036页

作者： Xiao-Ke Wang Lu-Fan Shen Xin Yang He Su Tao Wu Peng-Xian Tao hong-ying lv Tong-Han Yao Lin Yi Yuan-Hui Gu The First School of Clinical Medical Gansu University of Chinese MedicineLanzhou 730000Gansu ProvinceChina School of Traditional Chinese and Western Medicine Gansu University of Chinese MedicineLanzhou 730000Gansu ProvinceChina Department of General Surgery Gansu Provincial HospitalLanzhou 730000Gansu ProvinceChina

BACKGROUND Gastrointestinal stromal tumors(GISTs)are the most common mesenchymal tumors of the gastrointestinal(GI)tract,and cases of GISTs tend to be of the disseminated type,with a global incidence of 10 to 15 cases/million each *** rarer familial GISTs,which often represent a population,differ in screening,diagnosis,and *** GISTs include primary familial GISTs with predominantly KIT/PDGFRA mutations and wild-type ***,whether the same genetic family has different phenotypes has not been *** SUMMARY We report two cases of rare GISTs in the same family:A male patient with the V561D mutation in exon 12 of the PDGFRA gene,who has been taking the targeted drug imatinib since undergoing surgery,and a female patient diagnosed with wild-type GIST,who has been taking imatinib for 3 years since undergoing *** favorable prognosis of these patients during the 7-year follow-up period validates the accuracy of our treatment strategy,and we have refined the entire process of diagnosis and treatment of familial GISTs in order to better manage this rare familial *** Different mutation types of familial GISTs in the same family are very rare,thus it is very important to make the correct diagnosis and treatment strategies according to the results of molecular detection for the management of familial GISTs.

关键词： Gastrointestinal stromal tumor Familial gastrointestinal stromal tumor Wild-type gastrointestinal stromal tumors PDGFRA Imatinib Treatment Case report

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Recent progress in constructing fluorinated solid-electrolyte interphases for stable lithium metal anodes

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 270-291页

作者： Di Zhang Pengfei lv Wei Qin Xin He Yuanhua He Civil Aircraft Fire Science and Safety Engineering Key Laboratory of Sichuan Province College of Civil Aviation Safety EngineeringCivil Aviation Flight University of ChinaGuanghan 618307China School of Chemical Engineering Sichuan UniversityChengdu 610065China

Lithium metal batteries(LMBs)are emerging as a promising energy storage solution owing to their high energy density and specific ***,the non-uniform plating of lithium and the potential rupture of the solid-electrolyte interphase(SEI)during extended cycling use may result in dendrite growth,which can penetrate the separator and pose significant short-circuit *** a stable SEI is essential for the long-term operation of the ***-rich SEI has garnered significant attention for its ability to effectively passivate electrodes,regulate lithium deposition,and inhibit electrolyte *** the structural components and preparation methods of existing fluorinated SEI is crucial for optimizing lithium metal anode *** paper reviews the research on optimizing LiF passivation interfaces to protect lithium metal *** focuses on four types of compositions in fluorinated SEI that work synergistically to enhance SEI *** instance,combining compounds with LiF can further enhance the mechanical strength and ionic conductivity of the *** metals with LiF significantly improves electrochemical performance at the SEI/anode interface,with a necessary focus on reducing electron tunneling ***,incorporating polymers with LiF offers balanced improvements in interfacial toughness and ionic conductivity,though maintaining structural stability over long cycles remains a critical area for future *** alloys combined with LiF increase surface energy and lithium affinity,challenges such as dendrite growth and volume expansion *** summary,this paper emphasizes the crucial role of interfacial structures in LMBs and offers comprehensive guidance for future design and development efforts in battery technology.

关键词： LiF lithium metal anodes solid-electrolyte interphase interface cycling stability

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Blood diagnostic and prognostic biomarkers in amyotrophic lateral sclerosis

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Neural Regeneration Research 2025年第9期20卷 2556-2570页

作者： Yongting lv hongfu Li Department of Neurology Second Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang ProvinceChina Department of Medical Genetics and Center for Rare disease Second Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang ProvinceChina Nanhu Brain-Computer Interface Institute HangzhouZhejiang Province

Amyotrophic lateral sclerosis is a devastating neurodegenerative disease for which the current treatment approaches remain severely *** principal pathological alterations of the disease include the selective degeneration of motor neurons in the brain,brainstem,and spinal cord,as well as abnormal protein deposition in the cytoplasm of neurons and glial *** biological markers under extensive scrutiny are predominantly located in the cerebrospinal fluid,blood,and even *** these biomarke rs,neurofilament proteins and glial fibrillary acidic protein most accurately reflect the pathologic changes in the central nervous system,while creatinine and creatine kinase mainly indicate pathological alterations in the peripheral nerves and *** light chain levels serve as an indicator of neuronal axonal injury that remain stable throughout disease progression and are a promising diagnostic and prognostic biomarker with high specificity and ***,there are challenges in using neurofilament light chain to diffe rentiate amyotrophic lateral sclerosis from other central nervous system diseases with axonal *** fibrillary acidic protein predominantly reflects the degree of neuronal demyelination and is linked to non-motor symptoms of amyotrophic lateral sclerosis such as cognitive impairment,oxygen saturation,and the glomerular filtration *** DNA-binding protein 43,a pathological protein associated with amyotrophic lateral sclerosis,is emerging as a promising biomarker,particularly with advancements in exosome-related *** is currently lacking for the value of creatinine and creatine kinase as diagnostic markers;however,they show potential in predicting disease *** the vigorous progress made in the identification of amyotrophic lateral sclerosis biomarkers in recent years,the quest for definitive diagnostic and prognostic biomarke rs remains a formidable *** review summarizes the lat

关键词： amyotrophic lateral sclerosis biomarker blood biomarkers diagnosis glial fibrillary acidic protein neurofilament light chain prognosis TAR DNA-binding protein 43

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采后蛋氨酸处理对桃果实青霉病及活性氧代谢的影响

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食品工业科技 2017年第1期38卷 334-337页

作者：葛永红李灿婴吕静祎渤海大学食品科学与工程学院辽宁省食品安全重点实验室生鲜农产品贮藏加工及安全控制技术国家地方联合工程研究中心辽宁锦州121013

以桃果实为材料,研究了采后不同浓度蛋氨酸处理对损伤接种桃果实扩展青霉(Penicillium expansum)病斑扩展的影响,根据病斑直径的大小筛选出能够有效抑制桃果实青霉病的最佳浓度,并以最佳浓度处理桃果实分析对活性氧代谢的影响。结果表明... 详细信息

以桃果实为材料,研究了采后不同浓度蛋氨酸处理对损伤接种桃果实扩展青霉(Penicillium expansum)病斑扩展的影响,根据病斑直径的大小筛选出能够有效抑制桃果实青霉病的最佳浓度,并以最佳浓度处理桃果实分析对活性氧代谢的影响。结果表明,15 mmol/L蛋氨酸对***的抑制效果最好,并且处理显著(p≤0.05)提高了桃果实中抗坏血酸(AsA)和还原型谷胱甘肽(GSH)含量;谷胱甘肽还原酶(GR)活性、抗坏血酸过氧化物酶(APX)活性和过氧化氢酶(CAT)活性也显著提高,同时提高了H_2O_2含量。由此表明,采后蛋氨酸处理可以通过调节桃果实体内活性氧代谢来提高果实对青霉病的抗性。

关键词：蛋氨酸桃活性氧青霉病抗病性

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计算机视频电磁信息泄漏效应研究

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通信学报 2004年第4期25卷 41-48页

作者：张洪欣吕英华邱玉春赵亮北京邮电大学通信网络综合技术研究所北京100876

基于计算机电磁辐射的实测结果,对计算机视频信号的电磁辐射机理进行建模,利用计算电磁学的方法计算了计算机视频信号的远场电磁辐射;提出了利用FDTD (时域有限差分) 计算电磁辐射伴随的噪声衰落的方法,表述了随机噪声的时变和远场特性... 详细信息

基于计算机电磁辐射的实测结果,对计算机视频信号的电磁辐射机理进行建模,利用计算电磁学的方法计算了计算机视频信号的远场电磁辐射;提出了利用FDTD (时域有限差分) 计算电磁辐射伴随的噪声衰落的方法,表述了随机噪声的时变和远场特性;最后针对具有20dB噪声的泄漏电磁波进行软件模拟处理,利用同步、滤波、锁相、识别和重构等技术获得了再现的文字图像,研究了电磁信息泄漏现象,讨论了有关的规律。

关键词： TEMPEST 电磁信息泄漏电磁辐射信息再现

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The pivotal role of microglia in injury and the prognosis of subarachnoid hemorrhage

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Neural Regeneration Research 2025年第7期20卷 1829-1848页

作者： Wenjing Ning Shi lv Qian Wang Yuzhen Xu Department of Rehabilitation The Second Affiliated Hospital of Shandong First Medical UniversityTaianShandong ProvinceChina Department of Central Laboratory The Affiliated Taian City Central Hospital of Qingdao UniversityTaianShandong ProvinceChina

Subarachnoid hemorrhage leads to a series of pathological changes,including vascular spasm,cellular apoptosis,blood–brain barrier damage,cerebral edema,and white matter ***,which are the key immune cells in the central nervous system,maintain homeostasis in the neural environment,support neurons,mediate apoptosis,participate in immune regulation,and have neuroprotective *** evidence has shown that microglia play a pivotal role in the pathogenesis of subarachnoid hemorrhage and affect the process of injury and the prognosis of subarachnoid ***,microglia play certain neuroprotective roles in the recovery phase of subarachnoid *** approaches aimed at modulating microglia function are believed to attenuate subarachnoid hemorrhage *** provides new targets and ideas for the treatment of subarachnoid ***,an in-depth and comprehensive summary of the role of microglia after subarachnoid hemorrhage is still *** review describes the activation of microglia after subarachnoid hemorrhage and their roles in the pathological processes of vasospasm,neuroinflammation,neuronal apoptosis,blood–brain barrier disruption,cerebral edema,and cerebral white matter *** also discusses the neuroprotective roles of microglia during recovery from subarachnoid hemorrhage and therapeutic advances aimed at modulating microglial function after subarachnoid ***,microglia in subarachnoid hemorrhage are targeted with TLR inhibitors,nuclear factor-κB and STAT3 pathway inhibitors,glycine/tyrosine kinases,NLRP3 signaling pathway inhibitors,Gasdermin D inhibitors,vincristine receptorαreceptor agonists,ferroptosis inhibitors,genetic modification techniques,stem cell therapies,and traditional Chinese ***,most of these are still being evaluated at the laboratory *** clinical studies and data on subarachnoid hemorrhage are required to improve the treatment of subarachnoid hemor

关键词： apoptosis blood–brain barrier brain edema microglia neuroinflammation neuron neuroprotection subarachnoid hemorrhage vasoconstriction white matter injury

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Co-production of hydrogen, oxygen, and electricity via an integrated solar-driven system with decoupled water electrolyzer and Na-Zn ion battery

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Journal of Energy Chemistry 2025年第1期100卷 621-627页

作者： Fei lv Longjie Liu Jiazhe Wu Pengfei Wang Lixia Pan Dengwei Jing Yubin Chen International Research Center for Renewable Energy State Key Laboratory of Multiphase Flow in Power Engineering Xi'an Jiaotong University

Combining water electrolysis and rechargeable battery technologies into a single system holds great promise for the co-production of hydrogen （H2） and ***,the design and development of such systems is still in its ***,an integrated hydrogen-oxygen （O2）-electricity co-production system featuring a bipolar membrane-assisted decoupled electrolyzer and a Na-Zn ion battery was established with sodium nickelhexacyanoferrate （NaNiHCF） and Zn2+/Zn as dual redox *** decoupled electrolyzer enables to produce H2and O2in different time and space with almost 100%Faradaic efficiency at 100 mA ***,the charged NaNiHCF and Zn electrodes after the electrolysis processes formed a Na-Zn ion battery,which can generate electricity with an average cell voltage of 1.75 V at 10 m A *** connecting Si photovoltaics with the modular electrochemical device,a well-matched solar driven system was built to convert the intermittent solar energy into hydrogen and electric energy with a solar to hydrogen-electricity efficiency of 16.7%,demonstrating the flexible storage and conversion of renewables.

关键词： Hydrogen Electricity Decoupled water electrolyzer Na-Zn ion battery Solar energy

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Assessing quinoline removal performances of an aerobic continuous moving bed biofilm reactor(MBBR) bioaugmented with Pseudomonas citronellolis lv1

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Chinese Journal of Chemical Engineering 2023年第5期57卷 132-140页

作者： Hu Chen ying Wang Puyu Wang Yongkang lv Innovation Institute of Environmental Industry College of Environmental Science and EngineeringTaiyuan University of TechnologyTaiyuan 030024China The State Key Laboratory of Clean and Efficient Utilization of Coal-Based Energy Taiyuan University of TechnologyTaiyuan 030024China China Institute for Radiation Protection Taiyuan 030006China Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering Taiyuan 030024China

This study evaluated the bioaugmentation potential of a quinoline-degrading strain Pseudomonas citronellolis lv1 inoculation into activated sludge for treating quinoline wastewater, and results indicated the inoculation of lv1 in aerobic continuous MBBR could substantially improve the quinoline removal performance with an improved removal efficiency of 34% averagely when quinoline was used as the sole carbon and nitrogen source. Additionally, efficient removal of quinoline in enhanced MBBR occurred at the influent p H of 7.0–8.0, hydraulic retention time(HRT) of 24–28 h and influent quinoline concentration of 100–700 mg·L^(-1). High-throughput sequencing analysis indicated that bioaugmentation could increase microbial diversity and shape the microbial community structure. Although the inoculant lv1 did not remain its dominance in stage Ⅲ, bioaugmentation indeed induced the formation of effective microbial community, and the indigenous microbes including Flavobacterium, Pseudoxanthomonas,Pseudomonas, Vermamoeba, Dyadobacter and Sphingomonas might play the key role in quinoline *** to the PICRUSt, the enhanced genes encoding aromatic ring-cleavage enzyme, especially for Nheterocyclic ring-cleavage enzymes, could lead to the improved removal performance of quinoline in bioaugmentation stage. Moreover, the enhanced MBBR treated well actual coking wastewater, as indicated by high removal performance of quinoline, phenol and COD.

关键词： Aerobic quinoline degradation Pseudomonas citronellolis lv1 Bioaugmentation Microbial community Coking wastewater

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Optimal control of a quality supervision profit model for the electronic intermediary

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Applied Mathematics(A Journal of Chinese Universities) 2021年第2期36卷 159-171页

作者： XU ying-tao ZHANG ying lv Zhen-hong Xingzhi College Zhejiang Normal UniversityJinhua 321004China Department of Mathematics Zhejiang Normal UniversityJinhua 321004China

Online customers execute transactions without inspecting products could expect to encounter risks of receiving products with unsatisfactory qualities,especially in food *** quality supervision plays a key role in the establishment of trust as well as in the management of risk between online customers and *** papers in this field are in qualitative *** this paper,a quality supervision profit(QSP)model is formulated as a discrete-time optimal control *** is a quantitative approach,and it broadens the *** current research in the *** quality efort level of online sellers(QELa)and the quality supervision level of the electronic intermediary(QSLm)are considered together with their cor-responding profit in the proposed *** aim is to optimize an overall profit.A case study arising from Suichang's food traceability system(FTS)of farm produce online transaction is carried out in *** results reveal that QELs,QSLm and the profit distribution coeffi-cient have a strong influence upon the profits of both ***,some concluding remarks,including potential further research topics,are given.

关键词： electronic intermediary quality supervision discrete-time optimal control method

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