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Corneal epithelial defects following vitreoretinal surgery:incidence and outcomes from the DISCOVER study

International Journal of Ophthalmology(English edition) 2022年第1期15卷 83-88页

作者： Kubra Sarici Daniel Petkovsek Alison martin Alex Yuan jeffrey m.goshe Sunil K.Srivastava Jamie L.Reese Justis P.Ehlers The Tony and Leona Campane Center for Excellence in Image-Guided Surgery and Advanced Imaging Research Cole Eye InstituteCleveland ClinicClevelandOH 44195USA Vitreoretinal Service Cole Eye InstituteCleveland ClinicClevelandOH 44195USA Cornea Service Cole Eye InstituteCleveland ClinicClevelandOH 44195USA

AIm:To investigate the incidence,risk factors,clinical course,and outcomes of corneal epithelial defects(CED)following vitreoretinal surgery in a prospective study ***:This was a post-hoc analysis of all participants in DISCOVER intraoperative optical coherence tomography *** with CED 1 d after surgery without intraoperative corneal debridement was defined as the postoperative CED *** who underwent intraoperative debridement were defined as intraoperative debridement *** were matched 2:1 with controls(eyes without postoperative CED)for comparative *** primary outcomes were the incidence of CED on postoperative day one and the incidence of required intraoperative *** outcomes included time to defect closure,delayed healing(>2 wk),visual acuity(VA)and presence of scarring at one year and cornea ***:This study included 856 eyes that underwent vitreoretinal *** corneal debridement was performed to 61(7.1%)subjects and postoperative CED developed spontaneously in 94(11.0%)*** factors associated with postoperative CED included prolonged surgical duration(P=0.003),diabetes mellitus(P=0.04),postoperative ocular hypotension(Pme(>2 wk)was associated with corneal scar formation at the end of the 1 y in all epithelial defect subjects(Pmy was 1.8%.CONCLUSION:Prolonged duration of surgery is the strongest factor associated with both intraoperative debridement and spontaneous postoperative *** defect closure is associated with a greater risk of corneal scarring at one *** overall rate of corneal scarring following vitrectomy is low at<2%.

关键词： corneal epithelial defect vitreoretinal surgery intraoperative optical coherence tomography

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Nano-enhanced solid-state hydrogen storage:Balancing discovery and pragmatism for future energy solutions

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Nano Research 2024年第10期17卷 8729-8753页

作者： Chaochao Dun Xinyi Wang Linfeng Chen Sichi Li Hanna m.Breunig jeffrey J.Urban The molecular Foundry Lawrence Berkeley National Laboratory BerkeleyBerkeleyCA 94720USA Energy Analysis and Environmental Impacts Division Lawrence Berkeley National LaboratoryBerkeleyCA 94720USA Lawrence Livermore National Laboratory LivermoreCA 94550USA

Nanomaterials have revolutionized the battery industry by enhancing energy storage capacities and charging speeds,and their application in hydrogen(H_(2))storage likewise holds strong potential,though with distinct challenges and mechanisms.H_(2) is a crucial future zero-carbon energy vector given its high gravimetric energy density,which far exceeds that of liquid ***,its low volumetric energy density in gaseous form currently requires storage under high pressure or at low *** review critically examines the current and prospective landscapes of solid-state H_(2) storage technologies,with a focus on pragmatic integration of advanced materials such as metal-organic frameworks(mOFs),magnesium-based hybrids,and novel sorbents into future energy *** materials,enhanced by nanotechnology,could significantly improve the efficiency and capacity of H_(2) storage systems by optimizing H_(2) adsorption at the nanoscale and improving the kinetics of H_(2) uptake and *** discuss various H_(2) storage mechanisms—physisorption,chemisorption,and the Kubas interaction—analyzing their impact on the energy efficiency and scalability of storage *** review also addresses the potential of“smart mOFs”,single-atom catalyst-doped metal hydrides,mXenes and entropy-driven alloys to enhance the performance and broaden the application range of H_(2) storage systems,stressing the need for innovative materials and system integration to satisfy future energy ***-throughput screening,combined with machine learning algorithms,is noted as a promising approach to identify patterns and predict the behavior of novel materials under various conditions,significantly reducing the time and cost associated with experimental *** closing,we discuss the increasing involvement of various companies in solid-state H_(2) storage,particularly in prototype vehicles,from a techno-economic *** forward-looking perspective underscores t

关键词： nanomaterials nanotechnology solid-state H_(2)storage techno-economic analysis model-driven material development processes

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In vivo measurement of NADH fluorescence lifetime in skeletal muscle via -ber-coupled time-correlated single photon counting

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Journal of Innovative Optical Health Sciences 2024年第1期17卷 121-134页

作者： Kathryn m.Priest Jacob V.Schluns Nathania Nischal Colton L.Gattis jeffrey C.Wolchok Timothy J.muldoon Department of Biomedical Engineering University of Arkansas FayettevilleARUSA

Nicotinamide adenine dinucleotide(NADH)is a cofactor that serves to shuttle electrons during metabolic processes such as glycolysis,the tricarboxylic acid cycle,and oxidative phosphorylation(OXPHOS).NADH is autofluorescent,and itsfluorescence lifetime can be used to infer metabolic dynamics in living ***-coupled time-correlated single photon counting(TCSPC)equipped with an implantable needle probe can be used to measure NADH lifetime in vivo,enabling investigation of changing metabolic demand during muscle contraction or tissue *** study illustrates a proof of concept for point-based,minimally-invasive NADHfluorescence lifetime measurement in *** muscle loss(VmL)injuries were created in the left tibialis anterior(TA)muscle of male Sprague Dawley *** lifetime measurements were collected before,during,and after a 30 s tetanic contraction in the injured and uninjured TA muscles,which was subsequently-t to a biexponential decay model to yield a metric of NADH utilization(cytoplasmic vs protein-bound NADH,the A11/A22 ratio).On average,this ratio was higher during and after contraction in uninjured muscle compared to muscle at rest,suggesting higher levels of free NADH in contracting and recovering muscle,indicating increased rates of *** injured muscle,this ratio was higher than uninjured muscle overall but decreased over time,which is consistent with current knowledge of inflammatory response to injury,suggesting tissue regeneration has *** data suggest that-ber-coupled TCSPC has the potential to measure changes in NADH binding in vivo in a minimally invasive manner that requires further investigation.

关键词： Glycolysis oxidative phosphorylation energy metabolism volumetric muscle loss

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Treadmill training in Parkinson's disease:possible role of prefrontal modifications in the improved cortical-subcortical network function

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Neural Regeneration Research 2024年第2期19卷 407-408页

作者： Hao Ding Amgad Droby Abdul Rauf Anwar jeffrey m.Hausdorff Bahman Nasseroleslami Anat mirelman Inbal maidan muthuraman muthuraman Department of Neurology University Hospital WürzburgWürzburgGermany Academic Unit of Neurology Trinity College Dublinthe University of DublinDublinIreland Department of Neurology Sackler Faculty of MedicineTel Aviv UniversityTel AvivIsrael Sagol School of Neuroscience Tel Aviv UniversityTel AvivIsrael Biomedical Engineering Centre UET Lahore(KSK Campus)LahorePakistan Laboratory for Early markers of Neurodegeneration(LEmON) Center for the Study of MovementCognitionand Mobility(CMCM)Neurological InstituteTel Aviv Sourasky Medical CenterTel AvivIsrael Department of Physical Therapy Sackler Faculty of MedicineTel Aviv UniversityTel AvivIsrael Rush Alzheimer’s Disease Center and Department of Orthopaedic Surgery Rush University Medical CenterChicagoILUSA

Parkinson’s disease(PD)is a complex neurodegenerative disorder characterized by a range of motor symptoms such as bradykinesia,resting tremor,rigidity,and postural instability,as well as non-motor symptoms,such as de... 详细信息

关键词： rigidity fatigue

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New Opportunities for Neutrons in Environmental and Biological Sciences

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Frontiers of Environmental Science & Engineering 2024年第7期18卷 179-186页

作者： Alexander Johs Shuo Qian Leighton Coates Brian H.Davison James G.Elkins Xin Gu Jennifer morrell-Falvey Hugh O'Neill jeffrey m.Warren Eric m.Pierce Kenneth Herwig Oak Ridge National Laboratory Oak RidgeTN37831USA

The use of neutron methods in environmental and biological sciences is rapidly emerging and accelerating with the development of new instruments at neutron user *** article,based on a workshop held at Oak Ridge National Laboratory(ORNL),offers insights into the application of neutron techniques in environmental and biological *** highlight recent advances and identify key challenges and potential future research *** include soil and rhizosphere processes,root water dynamics,plant-microbe interactions,structure and dynamics of biological systems,applications in synthetic biology and enzyme engineering,next-generation bioproducts,biomaterials and bioenergy,nanoscale structure,and fluid dynamics of porous materials in *** provide an outlook on emerging opportunities with an emphasis on new capabilities that will be enabled at the Spallation Neutron Source Second Target Station currently under design at *** mission of scientific neutron user facilities worldwide is to enable science using state-of-the-art neutron *** aim to encourage researchers in the environmental and biological research community to explore the unique capability afforded by neutrons at these facilities.

关键词： Neutrons Environment Biology Neutron imaging Neutron scattering Second Target Station(STS)

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Remodeling Tumor Immune microenvironment by Using Polymer-Lipid-manganese Dioxide Nanoparticles with Radiation Therapy to Boost Immune Response of Castration-Resistant Prostate Cancer

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Research 2024年第3期2023卷 83-96页

作者： Abdulmottaleb E.Zetrini HoYin Lip Azhar Z.Abbasi Ibrahim Alradwan Taksim Ahmed Chunsheng He jeffrey T.Henderson Andrew m.Rauth Xiao Yu Wu Advanced Pharmaceutics and Drug Delivery Laboratory Leslie Dan Faculty of PharmacyUniversity of TorontoM5S 3M2TorontoONCanada. Departments of medical Biophysics and Radiation Oncology University of TorontoM5G 1L7TorontoONCanada.

Despite substantial progress in the treatment of castration-resistant prostate cancer (CRPC), including radiation therapy and immunotherapy alone or in combination, the response to treatment remains poor due to the hypoxic and immunosuppressive nature of the tumor microenvironment. Herein, we exploited the bioreactivity of novel polymer–lipid manganese dioxide nanoparticles (PLmDs) to remodel the tumor immune microenvironment (TImE) by increasing the local oxygen levels and extracellular pH and enhancing radiation-induced immunogenic cell death. This study demonstrated that PLmD treatment sensitized hypoxic human and murine CRPC cells to radiation, significantly increasing radiation-induced DNA double-strand breaks and ultimately cell death, which enhanced the secretion of damage-associated molecular patterns, attributable to the induction of autophagy and endoplasmic reticulum stress. Reoxygenation via PLmDs also polarized hypoxic murine RAW264.7 macrophages toward the m1 phenotype, enhancing tumor necrosis factor alpha release, and thus reducing the viability of murine CRPC TRAmP-C2 cells. In a syngeneic TRAmP-C2 tumor model, intravenous injection of PLmDs suppressed, while radiation alone enhanced recruitment of regulatory T cells and myeloid-derived suppressor cells. Pretreatment with PLmDs followed by radiation down-regulated programmed death-ligand 1 and promoted the infiltration of antitumor CD8+ T cells and m1 macrophages to tumor sites. Taken together, TImE modulation by PLmDs plus radiation profoundly delayed tumor growth and prolonged median survival compared with radiation alone. These results suggest that PLmDs plus radiation is a promising treatment modality for improving therapeutic efficacy in radioresistant and immunosuppressive solid tumors.

关键词： RAW264.7 alone treatment

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Smoking cessation prior to elective total joint arthroplasty results in sustained abstinence postoperatively

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World Journal of Orthopedics 2024年第7期15卷 627-634页

作者： Billy Insup Kim jeffrey O'Donnell Colleen m Wixted Thorsten markus Seyler William A Jiranek michael Paul Bolognesi Sean Patrick Ryan Department of Orthopedic Surgery Hospital for Special SurgeryNew YorkNY 10021United States Department of Orthopedic Surgery New York UniversityNew YorkNY 10003United States Department of Orthopedic Surgery Duke University HospitalDurhamNC 27560United States

BACKGROUND Tobacco use is a well-documented modifiable risk factor for perioperative *** To determine the tobacco abstinence rates of patients who made cessation efforts prior to a total joint arthroplasty(TJA)*** A retrospective evaluation was performed on 88 self-reported tobacco users who underwent TJA between 2014-2022 and had tobacco cessation dates within 3 mo of *** patients were contacted via phone survey to understand their tobacco use pattern,and patient reported outcomes.A total of 37 TJA patients *** Our cohort was on average 61-years-old,60%(n=22)women,with an average body mass index of 30 kg/m^(2).The average follow-up time was 2.9±1.9 years.A total of 73.0%(n=27)of patients endorsed complete abstinence from tobacco use prior to *** cessation methods were used perioperatively including prescription therapy(13.5%),over the counter nicotine replacement(18.9%),cessation programs(5.4%).At final follow up,43.2%(n=16)of prior tobacco smokers reported complete *** who were able to maintain cessation postoperatively had improved Patient-Reported Outcomes measurement Information System(PROmIS)-10 mental health scores(49 vs 58;P=0.01),and hip dysfunction and osteoarthritis outcome score for joint replacement(***)scores(63 vs 82;P=0.02).No patients in this cohort had a prosthetic joint infection or required revision *** We report a tobacco cessation rate of 43.2%in patients undergoing elective TJA nearly 3 years *** undergoing TJA who were able to remain abstinent had improved PROmIS-10 mental health scores and *** *** perioperative period provides clinicians a unique opportunity to assist active tobacco smokers with cessation efforts and improve postoperative outcomes.

关键词： Smoking cessation Total joint arthroplasty Outcomes Tobacco use Postoperative abstinence

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Storylines of family medicine Ⅰ:framing family medicine–history,values and perspectives

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Family medicine and Community Health 2024年第S3期12卷 2-11页

作者： William B Ventres Leslie A Stone Kathleen T Rowland Richard H Streiffer michael D macechko Julia A Roulier jeffrey m Borkan Larry A Green Family and Preventive medicine University of Arkansas for Medical Sciences College of MedicineLittle RockArkansasUSA Family and Preventive medicine Rush Medical College of Rush UniversityChicagoIllinoisUSA College of Community Health Sciences University of AlabamaTuscaloosaAlabamaUSA UAmS Northwest Regional Campus Family medicine Residency Program FayettevilleArkansasUSA UAmS North Central Regional Campus Family medicine Residency Program BatesvilleArkansasUSA Family medicine Brown University Warren Alpert Medical SchoolProvidenceRhode IslandUSA University of Colorado School of medicine AuroraColoradoUSA

Storylines of Family medicine is a 12-part series of thematically linked mini-essays with accompanying illustrations that explore the many dimensions of family medicine,as interpreted by individual family physicians and medical educators in the USA and elsewhere around the ***‘Ⅰ:framing family medicine—history,values,and perspectives’,the authors address the following themes:‘Notes on Storylines of Family medicine’,‘Family medicine—the generalist specialty’,‘Family medicine’s achievements—a glass half full assessment’,‘Family medicine’s next 50 years—toward filling our glasses’,‘Four enduring truths of family medicine’,‘Names matter’,‘Family medicine at its core’and‘The ecology of medical care.’may readers find much food for thought in these essays.

关键词： glasses illustration Notes

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Promoting the production of challenging proteins via induced expression in CHO cells and modified cell-free lysates harboring T7 RNA polymerase and mutant eIF2α

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Synthetic and Systems Biotechnology 2024年第3期9卷 416-424页

作者： jeffrey L.Schloßhauer Lena Tholen Alexander Korner Stefan Kubick Sofia Chatzopoulou Anja Honow Anne Zemella Fraunhofer Project Group PZ-Syn of the Fraunhofer Institute for Cell Therapy and Immunology-IZI Branch Bioanalytics and Bioprocesses-IZI-BBAm MühlenbergPotsdamGermany Fraunhofer Institute for Cell Therapy and Immunology-IZI Branch Bioanalytics and Bioprocesses-IZI-BBAm MühlenbergPotsdamGermany Faculty of Health Sciences Joint Faculty of the Brandenburg University of Technology Cottbus-SenftenbergThe Brandenburg Medical School Theodor FontaneUniversity of PotsdamPotsdamGermany Institute for Chemistry and Biochemistry Laboratory of Protein BiochemistryFreie Universitat BerlinThielallee 6314195BerlinGermany Institute of Biotechnology Technische Universit¨at BerlinStraße des 17.Juni 13510623BerlinGermany New/era/mabs GmbH August-Bebel-Str.8914482PotsdamGermany

Chinese hamster ovary(CHO)cells are crucial in biopharmaceutical production due to their scalability and capacity for human-like post-translational ***,toxic proteins and membrane proteins are often difficult-to-express in living ***,cell-free protein synthesis can be *** study explores innovative strategies for enhancing the production of challenging proteins through the modification of CHO cells by investigating both,cell-based and cell-free approaches.A major result in our study involves the integration of a mutant eIF2 translation initiation factor and T7 RNA polymerase into CHO cell lysates for cell-free protein *** resulted in elevated yields,while eliminating the necessity for exogenous additions during cell-free production,thereby substantially enhancing ***,we explore the potential of the Rosa26 genomic site for the integration of T7 RNA polymerase and cell-based tetracycline-controlled protein *** findings provide promising advancements in bioproduction technologies,offering flexibility to switch between cell-free and cell-based protein production as needed.

关键词： Inducible expression CHO cells Cell-free protein synthesis CRISPR T7 RNA polymerase eIF2 Rosa26

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Storylines of family medicine Ⅺ:professional identity formation—nurturing one’s own story

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Family medicine and Community Health 2024年第S3期12卷 99-108页

作者： William B Ventres Leslie A Stone Hamish J Wilson Sumi m Sexton David J Doukas Jessica P Cerdena David m Kelley michael D Fetters jeffrey J Haney John J Frey III Family and Preventive medicine University of Arkansas for Medical Sciences College of MedicineLittle RockArkansasUSA General Practice and Rural Health University of Otago Dunedin School of MedicineDunedinNew Zealand Family medicine Georgetown University School of MedicineWashingtonDistrict of ColumbiaUSA Family and Community medicine Tulane University School of MedicineNew OrleansLouisianaUSA Family medicine Residency Program Middlesex HealthMiddletownConnecticutUSA Family medicine University of Michigan Medical SchoolAnn ArborMichiganUSA medical Education and Clinical Sciences Washington State UniversitySpokaneWashingtonUSA Family medicine and Community Health University of Wisconsin-Madison School of Medicine and Public HealthMadisonWisconsinUSA

Storylines of Family medicine is a 12-part series of thematically linked mini-essays with accompanying illustrations that explore the many dimensions of family medicine,as interpreted by individual family physicians and medical educators in the USA and elsewhere around the ***‘Ⅺ:professional identity formation—nurturing one’s own story’,authors address the following themes:‘The social construction of professional identity’,‘On becoming a family physician’,‘What’s on the test?—professionalism for family physicians’,‘The ugly doc-ling’,‘Teachers—the essence of who we are’,‘Family medicine research—it starts in the clinic’,‘Socially accountability in medical education’,‘Personal philosophy and how to find it’and‘Teaching and learning with Storylines of Family medicine’.may these essays encourage readers to find their own creative spark in medicine.

关键词： own becoming professional

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