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Polydopamine-based redox-active separators for lithium-ion batteries

Journal of Materiomics 2019年第2期5卷 204-213页

作者： Ruijun Pan Zhaohui Wang Rui Sun jonas lindh Kristina Edstrom Maria Strømme Leif Nyholm Department of Chemistry-Ångstr€om Laboratory Uppsala UniversityBox 538SE-75121UppsalaSweden Nanotechnology and Functional Materials Department of Engineering SciencesTheÅngstr€om LaboratoryUppsala UniversityBox 534SE-75121UppsalaSweden

The performance of lithium-ion batteries(LIBs)can be effectively enhanced with functionalized ***,it is demonstrated that polydopamine-based redox-active(PRA)separators can provide additional capacity to that of typical anode materials,increase the volumetric capacity of the cell,as well as,decrease the cell resistance to yield an improved performance at higher cycling *** PRA separators,which are composed of a 2 mm thick electrically insulating nanocellulose fiber(NCF)layer and an 18 mm thick polydopamine(PDA)and carbon nanotube(CNT)containing redox-active layer,are readily produced using a facile paper-making *** PRA separators are also easily wettable by commonly employed electrolytes(***40)and exhibit a high dimensional *** addition,the pore structure endows the PRA separator with a high ionic conductivity(i.e.1.06 mS cm^(-1))that increases the rate performance of the *** to the presence of the redox-active layer,Li_(4)Ti_(5)O_(12)(LTO)half-cells containing PRA separator were found to exhibit significantly higher capacities than the corresponding cells containing commercial *** results clearly show that the implementation of this type of redox-active separators constitutes a straightforward and effective way to increase the energy and power densities of LIBs.

关键词： Lithium-ion battery Separator Cellulose Polydopamine Redox-active

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Seminal HPV detection:a pilot study comparing the preservation effectiveness and cost between a methanol-based solution and cryopreservation with liquid nitrogen

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Asian Journal of Andrology 2022年第5期24卷 560-561页

作者： Jynfiaf Francis Cecilia Kärrberg jonas Hermansson Magnus lindh Sofia Ganidou Ann Thurin-Kjellberg Kersti Lundin Randa Akouri Panagiotis Tsiartas Department of Reproductive Medicine Sahlgrenska University HospitalGothenburg 41345Sweden Department of Obstetrics and Gynecology Institute of Clinical SciencesSahlgrenska AcademyGothenburg UniversityGothenburg 40530Sweden Department of Research and Development Angered HospitalAngered 42465Sweden Department of Clinical Microbiology Sahlgrenska University HospitalGothenburg 41346Sweden Department of OncologyPathology Karolinska InstituteStockholm 17177Sweden

Dear Editor,Human papillomavirus(HPV)is the most common sexually transmitted virus worldwide,and high-risk HPV infection is the most important risk factor for cervical cancer.1 However,few conclusive data are available on the prevalence of the male HPV infection and its health *** has been found that the prevalence of seminal HPV infection is higher in men with unexplained infertility,ranging between 10%and 35%compared with the general population(range:2%to 11%).2–4 In three recent systematic reviews,it was seen that HPV sperm infection may be associated with impaired sperm function that could lead to male infertility.2,4,5 HPV sperm infection with high-risk HPV among infertile men was shown to be associated with lower progressive sperm motility and higher DNA fragmentation index.6 Moreover,a high rate of pregnancy loss has been found among couples with HPV sperm infection after in vitro fertilization(IVF).7 In the majority of the studies performed to assess seminal HPV infection.

关键词： impaired methanol HPV

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