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Nanoporous SiO_x c.ated amorphous silic.n anode material with robust mec.anic.l behavior for high-performanc. rec.argeable Li-ion batteries

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Nano Materials Sc.enc. 2019年第1期1卷 70-76页

作者： Hansinee S. Sitinamaluwa Henan Li Kimal c. Wasalathilake Annalena wolff Tuquabo Tesfamic.ael Shanqing Zhang c.eng Yan Sc.ool of c.emistry Physics and Mechanical Engineering Queensland University of Technology (QUT) Brisbane QLD 4000 Australia c.ntre for c.ean Environment and Energy Environmental Futures Research Institute and Griffith School of Environment Gold Coast Campus Griffith University QLD 4222 Australia Sc.ool of c.emistry and c.emic.l Engineering Jiangsu University Zhenjiang 212013 PR China c.ntral Analytic.l Researc. Fac.lity Institute for Future Environments Queensland University of Technology (QUT) Brisbane QLD 4000 Australia

Silic.n is a promising anode material for rec.argeable Li-ion battery (LIB) due to its high energy density and relatively low operating voltage. However, silic.n based elec.rodes suffer from rapid c.pac.ty degradation during elec.roc.emic.l c.c.ing. The c.pac.ty dec.y is predominantly c.used by (i) c.ac.ing due to large volume variations during lithium insertion/extrac.ion and (ii) surfac. degradation due to exc.ssive solid elec.rolyte interfac. (SEI) formation. In this work, we demonstrate that c.ating of a-Si thin film with a Li-ac.ive, nanoporous SiOx layer c.n result in exc.ptional elec.roc.emic.l performanc. in Li-ion battery. The SiOx layer provides improved c.ac.ing resistanc. to the thin film and prevent the ac.ive material loss due to exc.ssive SEI formation, benefiting the elec.rode c.c.ing stability. Half-c.ll experiments using this anode material show an initial reversible c.pac.ty of 2173 mAh g^-1 with an exc.llent c.ulombic.effic.enc. of 90.9%. Furthermore, the elec.rode shows remarkable c.pac.ty retention of ~97% after 100 c.c.es at c.2 c.arging rate. The proposed anode arc.itec.ure is free from Liinac.ive binders and c.nduc.ive additives and provides mec.anic.l stability during the c.arge/disc.arge proc.ss.

关键词： Amorphous silic.n Thin film Solid elec.rolyte interphase Silic.n oxide Anode Li-ion battery

Triggers of histologic.lly suspec.ed drug-induc.d c.litis

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World Journal of Gastroenterology 2019年第8期25卷 967-979页

作者： Thorsten Brec.mann Katharina Günther Matthias Neid wolff Sc.miegel Andrea Tannapfel Department of Gastroenterology and Hepatology Ruhr-University BochumBerufsgenossenschaftliches Universitatsklinikum Bergmannsheil gGmbHBochum 44789Germany Institute of Pathology Ruhr-University BochumBochum 44789Germany Department of Internal Medic.ne University Hospital KnappschaftskrankenhausRuhr-University BochumBochum 44892Germany

BAc.GROUND Drug toxic.ty is a c.mmon and even serious problem in the gastrointestinal trac. that is thought to be c.used by a broad spec.rum of *** withdrawal of the c.usative agent would c.re the disease knowledge is sc.rc. and mostly derives from c.se reports and *** To investigate potential triggers of drug-induc.d c.litis(Dic..METHODS We c.nduc.ed a retrospec.ive,observational c.se c.ntrol *** were assigned to Dic.or one of two age-and gender-matc.ed c.ntrol groups(noninflammatory c.ntrols and inflammatory c.litis of another c.use)based on histopathologic.l *** was reassessed in a subset of patients(28 Dic.with atherosc.erosis,Dic.without atherosc.erosis and isc.aemic.c.litis eac.)for validation *** history was c.llec.ed from the elec.ronic.database and patient *** analysis inc.uded c.i-squared test,t-test,logistic.and multivariate regression *** Drug-induc.d c.litis was detec.ed in 211 endosc.pic.lly sampled biopsy spec.mens of the c.lon muc.sa(7%of all sc.eened c.lonosc.pic.biopsy samples);a total of 633 patients were inc.uded equally matc.ed throughout the three groups(291 males,mean age:62.1±16.1 years).In the univariate analysis,Dic.was assoc.ated with diuretic.,dihydropyridines,glyc.sides,ASS,platelet aggregation inhibitors,nonsteroidal anti-inflammatory drugs(NSAIDs),statins and fibrates,and with atherosc.erosis,partic.larly c.ronary heart disease,and *** parameters did not show substantial *** the multivariate analysis only fibrates[odds ratio(OR)=9.1],NSAIDs(OR=6.7)and atherosc.erosis(OR=2.1)proved to be assoc.ated with *** Dic.reassessment groups presented milder inflammation than isc.aemic.*** Dic.patients with atherosc.erosis exhibited histologic.l features from both Dic.without atherosc.erosis and isc.aemic.*** Several drugs indic.ted for the treatment of c.rdiovasc.lar and related disea

关键词： Drug toxic.ty Drug-induc.d c.litis Isc.aemic.c.litis Drug-assoc.ated gastrointestinal disease Atherosc.erosis c.lonic.isc.aemia Nonsteroidal antiinflammatory drugs Fibrates

c.reac.ive protein is a prognostic.indic.tor in patients with perihilar c.olangioc.rc.noma

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World Journal of Gastroenterology 2006年第34期12卷 5495-5500页

作者： Thomas Gerhardt Sabine Milz Mic.ael Sc.epke Georg Feldmann Martin wolff Tilman Sauerbruc. Franz Ludwig Dumoulin Department of Internal Medic.ne I University Hospital Bonn Germany Department of Surgery University Hospital Bonn Germany

AIM： To evaluate prognostic.indic.tors for the outc.me of patients with perihilar extrahepatic.c.olangioc.rc.noma in an unselec.ed c.hort. METHODS： We retrospec.ively analyzed 98 patients with perihilar c.olangioc.rc.noma. Twenty-three patients （23.5%） underwent tumor resec.ion. Patients with non-resec.able tumors underwent either transpapillary or perc.taneous transhepatic.biliary drainage. Additionally, 32 patients （32.7%） rec.ived photodynamic.therapy （PDT） and 18 patients （18.4%） systemic.c.emotherapy. Predefined variables at the time of diagnosis and c.arac.eristic. c.nsidering the mode of treatment were entered into a c.x＇s proportional hazards model. Inc.uded in the analysis were age, tumor stage following the modified Bismuth-c.rlette c.assific.tion, bilirubin, prothrombin time （PT）, c.reac.ive protein （c.P）, c.rbohydrate antigen 19-9 （c.19-9）, history of weight loss, surgic.l resec.ion, c.emotherapy and PDT. RESULTS： The Kaplan-Meier estimate of overall median survival was 10.5 （95%c.： 8.4-12.6） mo. In the univariate analysis, low Bismuth stage, low c.P and surgic.l resec.ion c.rrelated signific.ntly with better survival. In the multivariate analysis, only c.P （P = 0.005） and surgic.l resec.ion （P = 0.029） were found to be independently predic.ive of survival in the c.hort. Rec.iver operating c.arac.eristic.（ROc. analysis identified a c.P level of 11.75 mg/L as the value assoc.ated with the highest sensitivity and spec.fic.ty predic.ing a survival 〉 5 too. Applying Kaplan-Meier analysis, patients with a c.P 〈 12 mg/L at the time of diagnosis had a signific.ntly longer median survival than patients with higher values （16.2 vs 7.6 mo; P = 0.009）.c.Nc.USION： This retrospec.ive analysis identified c.P level at the time of diagnosis as a novel indic.tor for the prognosis of patients with perihilar c.olangioc.rc.noma. It should be evaluated in future prospec.ive trials on this entity.

关键词： Perihilar c.olangioc.rc.noma Prognostic.ac.ors c.reac.ive protein Resec.ion Outc.me

Amelioration of Diabetes Mellitus Type II after Sleeve Gastrec.omy—Data on Nationwide Survey on Quality Assuranc. in Bariatric.Surgery in Germany

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Surgic.l Sc.enc. 2013年第12期4卷 8-12页

作者： I. El-Sayes R. Weiner M. Talai Rad S. wolff c. Knoll T. Manger c. Stroh Department of General Abdominal and Paediatric Surgery SRH Hospital Gera Germany Department of General Abdominal and Vascular Surgery University Hospital Magdeburg Magdeburg Germany Helios Hospital Bad Saarow Germany Sac.senhausen Hospital Frankfurt Germany Stat c.nsult Magdeburg Germany

Introduc.ion: Sleeve Gastrec.omy (SG) is bec.ming more popular due to its weight reduc.ng effec. and promising anti-diabetic.effic.c.. However, long term results are still lac.ing. Methods: The study foc.ses on anti-diabetic.effic.c. of SG through retrospec.ive analysis of data for patients who underwent SG in Germany from 2005 to 2011. Anti-diabetic.effic.c. was assessed at 1, 2 and up to 4 years after surgery. Results: 5400 morbidly obese patients underwent SG. Of these 5400 patients 13.2% (n = 712) were insulin treated (IT) and 21.6% (n = 1165) were non-insulin treated (NIT). Total follow-up was ac.omplished in 41.24% of patients. Perc.ntage of remission and improvement (RI) at 1 year was 83.8% (80.2% for insulin treated (IT) vs. 85.1% for non-insulin treated (NIT)). RI% at 2 years dropped to 77.6% (76.9% for IT vs. 77.9% for NIT patients). With late follow up (up to 4 years), RI% was 65.9% (58.8% for IT vs. 66.7% for NIT patients). Differenc. between IT and NIT patients was insignific.nt. c.nc.usion: SG shows promising ant-diabetic.effic.c. at 1 year, 2 years and up to 4 years after surgery. This effic.c. gradually drops with prolonged time interval after surgery and seems to be insignific.ntly higher among NIT vs. IT patients.

关键词： Sleeve Gastrec.omy Diabetes Mellitus Type II Diabetes Remission Metabolic Surgery

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假说检验和科学方法(英文)

动物学报 2008年第2期54卷 383-386页

作者： Jerry O.wolff c.arles J.KREBS Department of Biologic.l Sc.enc.s St.Cloud State UniversitySt.CloudMN 56301USA Department of Zoology University of British ColumbiaVancouverB.C.V6T 1Z4Canada

本文的意图是让研究者审视研究方法,并在研究设计中充分使用假说检验,并在选择模式物种时充分理解其自然史。我们的总前提是,按照"强推论"(指假定拒绝某一假说而不是支持某一偏爱假说)的逻辑,科学能够进展得更快、更可观、更有确定性。... 详细信息

本文的意图是让研究者审视研究方法,并在研究设计中充分使用假说检验,并在选择模式物种时充分理解其自然史。我们的总前提是,按照"强推论"(指假定拒绝某一假说而不是支持某一偏爱假说)的逻辑,科学能够进展得更快、更可观、更有确定性。我们强调并提供了符合逻辑的一系列步骤,即确定科学问题或确定具有未知生物学意义的问题;列出所有可靠的、能解释所观察现象的假说,每个假说列出其可检验的、可证明其无根据的预测;然后是符合预测检验的实验或研究设计。我们也强调,模式物种对于解决科学的理论问题以及得出推论是很重要的。本文所展示的不是新思想,只是提醒研究者要注意遵循的基本研究途径。

关键词：假说检验科学方法

Molec.lar Studies of Regulators of G-Protein Signaling（RGS）Proteins in Prostate c.nc.r

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Molecular Studies of Regulators of G-Protein Signaling（RGS...

氮改性褐煤的特性及其在退化土壤造林中的应用研究

第九次全国暨2007海内外生物膜学术研讨会

作者： Dennis W.wolff Margaret Sc.field Ming-Fong Lin Department of Pharmac.logy Creighton University School of MedicineOmahaNE 68178（Y.T.Q.J.C.X.Y.X.D.W.W.M.S.） and Department of Bioc.emistry and Molec.lar Biology University of Nebraska Medical CenterOmahaNE 68198（M.F.L.） Department of Pharmac.logy Creighton University School of MedicineOmahaNE 68178（Y.T.Q.J.C.X.Y.X.D.W.W.M.S.） and Department of Bioc.emistry and Molec.lar Biology University of Nebraska Medical CenterOmahaNE 68198（M.F.L.） Department of Pharmac.logy Creighton University School of MedicineOmahaNE 68178（Y.T.Q.J.C.X.Y.X.D.W.W.M.S.） and Department of Bioc.emistry and Molec.lar Biology University of Nebraska Medical CenterOmahaNE 68198（M.F.L.）

＜正＞Prostate c.nc.r is the most c.mmonly diagnosed nonc.taneous c.nc.r in Americ.n men and the sec.nd leading c.use of c.nc.r *** of androgen independenc. and metastasis by prostate c.nc.r are the key problems during prostate c.nc.r *** prec.se mec.anisms underlying progression of prostate c.nc.r to a state of androgen-independenc. remain an ac.ive area of researc..

关键词：

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水土保持学报 2010年第4期24卷 213-216,221页

作者：钟哲科杨慧敏白瑞华 Maria wolff 国家林业局竹子研究开发中心杭州310012 Institute of Soil Sc.enc. Technical University of DresdenTharandtGermany 01737

通过研究褐煤在氧化氨解反应后特性的变化及其在退化土壤造林中的应用效果,旨在探索褐煤高效利用的有效途径。结果表明：氧化氨解工艺能有效地提高褐煤的阳离子交换量、腐殖酸总量和富里酸含量,降低胡敏素含量。反应生成的氮改性褐煤,... 详细信息

通过研究褐煤在氧化氨解反应后特性的变化及其在退化土壤造林中的应用效果,旨在探索褐煤高效利用的有效途径。结果表明：氧化氨解工艺能有效地提高褐煤的阳离子交换量、腐殖酸总量和富里酸含量,降低胡敏素含量。反应生成的氮改性褐煤,全氮含量为5.8%,且呈不同形态（铵态、酰胺态和紧密有机态氮态）的分布,能在土壤中保存较长的时间。半干旱退化土壤中的应用试验表明,在土壤中掺入氮改性褐煤（每株137 g或274 g）可使樟子松林分造林成活率提高20%~25%,而施用相应含氮量的尿素对林木成活率几乎没有作用。随着立地条件的改善和植被的恢复,施用氮改性褐煤林分的土壤碳汇、土壤微生物总量以及脱氢酶、脲酶、β-葡糖苷酶、碱性磷酸酶等的活性都有明显的提高,证实了氮改性褐煤可以作为一类生态和环保的土壤改良剂。

关键词：氮改性褐煤化学特性微生物活性土壤改良剂

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三维头颅c.的成像技术

放射学实践 1992年第1期7卷 16-18页

作者： c.Zwic.er M.Langer *** P.Uhrmeister B.Erdtmann K.-D.wolff 张本固陈夏丰 Radiologisc.e Klinik mit Poliklinik Klinikum Rudolf Virchow Standort Charlottenburg Freie Universitat Berlin 1000 Berlin 19 Spandauer Damm130 同济医科大学附属同济医院

轴位c.或磁共振(MR)图像的三维重建可使所显示的结构获得更好的直观性。可以预料,这种图像显示的方式对临床使用将带来巨大益处。

关键词：头颅三维 c.

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c.导弹横向动力特性

系统工程与电子技术 1984年第6期 66-76页

作者： F.H.wolff 朱耀祖

本文研究了c.导弹的平面模型,其中计及密封圈和垫块的非线性力-位移特性。求解基于小攻角运动的刚体运动方程以计算导弹在发射时的横向位移。证明计算与PS-80试验结果一致后,研究了密封圈特性、垫块特性、导弹行程时间和初始条件,以确... 详细信息

本文研究了c.导弹的平面模型,其中计及密封圈和垫块的非线性力-位移特性。求解基于小攻角运动的刚体运动方程以计算导弹在发射时的横向位移。证明计算与PS-80试验结果一致后,研究了密封圈特性、垫块特性、导弹行程时间和初始条件,以确定横向动力特性计算的灵敏度。

关键词：密封圈垫块发射筒发射装置导弹 c. 动力特性