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新一代双源cT机仅采用平面梳状滤波进行超高分辨率颞骨成像的初步研究结果

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国际医学放射学杂志 2015年第2期 191-192页

作者： M.Meyer H.Haubenreisser R.Raupach B.Schmidt F.Lietzmann c.leidecker 李宁 Institute of clinical Radiology and Nuclear Medicine University Medical Center Mannheim Medical Faculty Mannheim Heidelberg University Theodor -Kutzer -Ufer 1 -3 68167 Mannheim Germany

摘要目的前瞻性评估第三代双源cT(DScT)在不使用z轴滤波器情况下进行颞骨cT成像的辐射剂量和影像质量。方法 45例病人随机在第一代、二代及三代DScT上采用

关键词： DScT cT 双源有效辐射剂量颞骨颅骨分辨率鉴别率

K边缘关闭:第二代与第三代双源cT系统在冠状动脉cTA检查中分别选择100、80和70kV的一个初步比较

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国际医学放射学杂志 2015年第1期 62-63页

作者： M.Meyer H.Haubenreisser U.J.Schoepf R.Vliegenthart c.leidecker T.Allmendinger Institute of clinical Radiology and Nuclear Medicine University Medical Center MannheimMedical Faculty Mannheim-Hei-delberg University

目的第三代双源cT系统和第二代双源cT系统相比,前瞻性评估在70 k V进行大螺距冠状动脉cT血管成像(cTA)辐射和对比剂使用要求。材料与方法所有病人均

关键词：双源 cTA cT 冠状动脉第三代第二代

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评价双能cT鉴别脑出血与碘对比剂染色

国际医学放射学杂志 2010年第6期 577-577页

作者： R.Gupta c.M.Phan c.leidecker T.J.Brady J.A.Hirsch R.G.Nogueira 梁爽 Department of Radiology Massachusetts General Hospital55 Fruit StNeuroradiology GRB-273ABostonMA 02114

目的评估双能cT在鉴别脑出血(IcH)和病人经动脉内汇入或静脉内排除的碘对比剂的有效性。材料与方法这一回顾性研究经地区机构伦理委员会同意,不需签署知

关键词：碘对比剂静脉内脑出血脑病双能 cT

Status and prospects for symmetric organic redox flow batteries

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Journal of Energy chemistry 2025年第1期100卷 125-143页

作者： Md Al Raihan c.Adam Dyker Department of chemistry University of New BrunswickFrederictonNB E3B 5A3Canada

As environmental concerns from fossil fuel consumption intensify,large-scale energy storage becomes imperative for the integration of renewable sources like wind,hydro,and solar with the electrical *** flow batteries,particularly those employing organic molecules,are positioned as a key technology for this *** review explores the growing field of symmetric organic redox flow batteries(ORFBs)within this *** traditional asymmetric designs based on unique active materials for each electrode,symmetric ORFBs involve a single bipolar species for both *** review highlights the benefits of a symmetric design,and categorizes five distinct classes of organic bipolar molecules used in both aqueous and non-aqueous *** providing a comprehensive overview of their cell cycling and performance characteristics,the strengths and weaknesses of the diverse categories of bipolar molecules are highlighted for both solvent systems,as are opportunities for future *** should guide new research directions and advance the development of practical symmetric ORFBs.

关键词： Redox flow battery Symmetric battery Organic battery Aqueous electrolyte Non-aqueousel ectrolyte

Acquired sensorineural hearing loss,oxidative stress,and microRNAs

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Neural Regeneration Research 2025年第9期20卷 2513-2519页

作者： Desmond A.Nunez Ru c.Guo Division of Otolaryngology–Head&Neck Surgery Department of SurgeryFaculty of MedicineThe University of British ColumbiaVancouverBCCanada Division of Otolaryngology–Head&Neck Surgery Gordon&Leslie Diamond Health Care CentreVancouver General HospitalVancouverBCCanada Faculty of Medicine–The University of British columbia VancouverBCCanada

Hearing loss is the third leading cause of human ***-related hearing loss,one type of acquired sensorineural hearing loss,is largely responsible for this escalating global health ***-induced,ototoxic,and idiopathic sudden sensorineural are other less common types of acquired hearing *** etiology of these conditions is complex and multi-fa ctorial involving an interplay of genetic and environmental *** stress has recently been proposed as a likely linking cause in most types of acquired sensorineural hearing *** non-coding RNA sequences known as microRNAs(miRNAs)have increasingly been shown to play a role in cellular hypoxia and oxidative stress responses including promoting an apoptotic *** hair cell death is a central histopathological finding in sensorineural hearing *** these cells do not regenerate in humans,it underlies the irreversibility of human age-related hearing *** EMBASE,Ovid MEDLINE,Web of Science core collection,and *** databases over the period August 1,2018 to July 31,2023 were searched with"hearing loss,""hypoxamiRs,""hypoxia,""microRNAs,""ischemia,"and"oxidative stress"text words for English language primary study publications or registered clinical *** red clinical trials known to the senior author we re also assessed.A total of 222studies were thus *** excluding duplicates,editorials,retra ctions,secondary research studies,and non-English language articles,39 primary studies and clinical trials underwent full-text *** resulted in 11 animal,in vitro,and/or human subject journal articles and 8 registered clinical trial database entries which form the basis of this narrative *** miR-34a and miR-29b levels increase with age in *** miRNAs were demonstrated in human neuroblastoma and murine cochlear cell lines to target Sirtuin 1/peroxisome proliferato r-activated receptor gamma coactivator-1-alpha(SIRT1/P Gc-1α),SIRT

关键词： hearing loss hypoxia microRNAs oxidative stress sensorineural

controversies in fecal incontinence

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World Journal of Gastroenterology 2025年第3期31卷 113-119页

作者： Andreia Albuquerque Satish S c Rao School of Medicine and Biomedical Sciences Fernando Pessoa UniversityGondomar 4420-096PortoPortugal Precancerous Lesions and Early cancer Management Research Group RISE@cI-IPO(Health Research Network) Portuguese Oncology Institute of PortoPorto 4200-072Portugal Division of Gastroenterology and Hepatology Department of Internal MedicineAugusta UniversityAugustaGA 30912United States

Fecal incontinence is a common condition that can significantly impact patients’quality of *** anal sphincter injury and anorectal surgeries are common *** ultrasound and anorectal manometry are important diagnostic tools for evaluating *** are various treatment options,including diet,lifestyle modifications,drugs,biofeedback therapy,tibial and sacral nerve neuromodulation therapy,and *** this editorial,we will discuss current controversies and novel approaches to fecal *** for asymptomatic anal sphincter defects after obstetric anal sphincter injury and in patients with inflammatory bowel disease is not generally recommended,but may be helpful in selected *** Garg incontinence score is a new score that includes the assessment of solid,liquid,flatus,mucous,stress and urge fecal *** tests such as translumbosacral anorectal magnetic stimulation and novel therapies such as translumbosacral neuromodulation therapy are promising diagnostic and treatment options,for both fecal incontinence and *** biofeedback therapy can overcome some limitations of the office-based *** muscle-derived cell implantation of the external anal sphincter has been further studied as a possible treatment *** neuromodulation may be useful in scleroderma,congenital fecal incontinence and inflammatory bowel disease but merits further study.

关键词： Fecal incontinence Endoanal ultrasound Anal sphincter defects Biofeedback Neuropathy Sacral neuromodulation

Recent progress on elemental tellurium and its devices

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Journal of Semiconductors 2025年第1期46卷 91-106页

作者： Jiachi Liao Zhengxun Lai You Meng Johnny c.Ho Department of Materials Science and Engineering City University of Hong KongKowloonHong Kong 999077China changsha Semiconductor Technology and Application Innovation Research Institute College of Semiconductors(College of IntegratedC ircuits)Hunan UniversityChangsha 410082China Institute for Materials chemistry and Engineering Kyushu UniversityFukuoka 8168580Japan State Key Laboratory of Terahertz and Millimeter Waves City University of Hong KongKowloonHong Kong 999077China

The rapid advancement of information technology has heightened interest in complementary devices and *** p-type semiconductors often lack sufficient electrical performance,thus prompting the search for new materials with high hole mobility and long-term *** tellurium(Te),featuring a one-dimensional chiral atomic structure,has emerged as a promising candidate due to its narrow bandgap,high hole mobility,and versatility in industrial applications,particularly in electronics and renewable *** review highlights recent progress in Te nanostructures and related devices,focusing on synthesis methods,including vapor deposition and hydrothermal synthesis,which produce Te nanowires,nanorods,and other *** applications in photodetectors,gas sensors,and energy harvesting devices are discussed,with a special emphasis on their role within the internet of things(IoT)framework,a rapidly growing field that is reshaping our technological *** prospects and potential applications of Te-based technologies are also highlighted.

关键词： elemental tellurium photodetector field-effect transistor gas sensor energy harvesting device

Multiple sclerosis is at a checkpoint: advancing the program

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Neural Regeneration Research 2025年第3期20卷 811-812页

作者： Brandon c.Smith Jessica L.Williams Department of Neurosciences Lerner Research InstituteCleveland ClinicClevelandOHUSA Department of Biological Geologicaland Environmental SciencesCleveland State UniversityClevelandOHUSA

Multiple sclerosis(MS) is a chronic inflammatory and demyelinating disease of the central nervous system(cNS). Patients with MS experience sensory and motor function loss due to myelin and/or axon damage perpetuated b... 详细信息

关键词： Hauser sclerosis damage

Intramolecular direct arylation through mechanochemistry:efficient synthesis of corannulene-based peri-annulated curved nanographenes

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Science china chemistry 2025年

作者： Zhongbo Zhang Mihaiela c.Stuparu School of chemistry Chemical Engineering and Biotechnology Nanyang Technological University National Institute for Research and Development of Isotopic and Molecular Technologies-INcDTIM

Peri-annulation is recognized as an influential structural motif in accessing functional molecular materials. However, efficient synthetic access to peri-annulated structures remains challenging. Herein, we show that mechanochemistry is a valuable synthetic tool to achieve this goal. It is comparatively better than activation through microwave irradiation and conventional solution-phase reactions. The synthesized materials are molecularly curved nanographenes containing sulfur and selenium atoms. The curvature comes from the use of corannulene as the central building block, upon which the benzothiophene or benzoselenophene are peri-annulated through the palladium-catalyzed direct arylation reactions. Peri-annulation endows the nanographene structures with better optical properties as compared to other annulation chemistries.

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