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Classifying Abdominal Fat Distribution Patterns byUsing Body Measurement Data

Computer Modeling in Engineering & Sciences 2021年第3期126卷 1189-1202页

作者： Jingjing Sun Bugao Xu Jane Lee Jeanne H.Freeland-Graves Department of Biomedical Engineering University of TexasAustinTX 78712USA Department of Computer Science and Engineering University of North TexasDentonTX 76201USA Department of Nutritional Sciences University of TexasAustinTX 78712USA

This study aims to explore new categorization that characterizes the distribution clusters of visceral and subcutaneous adipose tissues(VAT and SAT)measured by magnetic resonance imaging(MRI),to analyze the relationship between the VAT-SAT distribution patterns and the novel body shape descriptors(BSDs),and to develop a classifier to predict the fat distribution clusters using the *** the study,66 male and 54 female participants were scanned by MRI and a stereovision body imaging(SBI)to measure participants’abdominal VAT and SAT volumes and the BSDs.A fuzzy c-means algorithm was used to form the inherent grouping clusters of abdominal fat distributions.A support-vector-machine(SVM)classifier,with an embedded feature selection scheme,was employed to determine an optimal subset of the BSDs for predicting internal fat distributions.A fivefold cross-validation procedure was used to prevent over-fitting in the *** classification results of the BSDs were compared with those of the traditional anthropometric measurements and the Dual Energy X-Ray Absorptiometry(DXA)*** clusters were identified for abdominal fat distributions:(1)low VAT and SAT,(2)elevated VAT and SAT,(3)higher SAT,and(4)higher *** cross-validation accuracies of the traditional anthropometric,DXA and BSD measurements were 85.0%,87.5% and 90%,*** to the traditional anthropometric and DXA measurements,the BSDs appeared to be effective and efficient in predicting abdominal fat distributions.

关键词： Abdominal fat distribution body shape descriptor SVM classifier

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Advanced biomedical hydrogels:molecular architecture and its impact on medical applications

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Regenerative Biomaterials 2021年第6期8卷 297-317页

作者： Jonathan T.Peters Marissa E.Wechsler Nicholas A.Peppas McKetta Department of Chemical Engineering The University of Texas at AustinAustin200 E.Dean KeetonAustinTX 78712USA Institute for Biomaterials Drug Deliveryand Regenerative MedicineThe University of Texas at Austin107 W.Dean KeetonAustinTX 78712USA Department of Biomedical Engineering and Chemical Engineering The University of Texas at San AntonioOne UTSA CircleSan AntonioTX78249USA Department of Biomedical Engineering The University of Texas at Austin107 W.Dean KeetonAustinTX 78712USA Division of Molecular Pharmaceutics and Drug Delivery College of PharmacyThe University of Texas at Austin107 W.Dean KeetonAustinTX 78712USA Department of Surgery and Perioperative Care and Department of PediatricsDell Medical SchoolThe University of Texas at Austin1601 Trinity St.Bldg.BAustinTX 78712USA

Hydrogels are cross-linked polymeric networks swollen in water,physiological aqueous solutions or biological *** are synthesized by a wide range of polymerization methods that allow for the introduction of linear and branched units with specific molecular *** addition,they can be tuned to exhibit desirable chemical characteristics including hydrophilicity or *** synthesized hydrogels can be anionic,cationic,or amphiphilic and can contain multifunctional crosslinks,junctions or tie *** these characteristics,hydrogels exhibit compatibility with biological systems,and can be synthesized to render systems that swell or collapse in response to external *** versatility and compatibility have led to better understanding of how the hydrogel’s molecular architecture will affect their physicochemical,mechanical and biological *** present a critical summary of the main methods to synthesize hydrogels,which define their architecture,and advanced structural characteristics for macromolecular/biological applications.

关键词： hydrogels networks mesh size hydrogel reactions biological applications biomedical applications

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A mini review on two-dimensional nanomaterial assembly

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Nano Research 2020年第5期13卷 1179-1190页

作者： Zhiwei Fang Qiyu Xing Desiree Fernandez Xiao Zhang Guihua Yu Materials Science and Engineering Program and Department of Mechanical Engineering The University of Texas at AustinAustinTexas 78712USA 2 School of Chemistry and Materials ScienceUniversity of Science&Technology of ChinaHefei 230026China

Two-dimensional(2D)nanomaterials have attracted a great deal of attention since the discovery of graphene in 2004,due to their intriguing physicochemical properties and wide-ranging applications in catalysis,energy-related devices,electronics and *** maximize the potential of 2D nanomaterials for their technological applications,controlled assembly of 2D nanobulding blocks into integrated systems is critically *** mini review summarizes the reported strategies of 2D materials-based assembly into integrated functional nanostructures,from in-situ assembly method to post-synthesis *** applications of 2D assembled integrated structures are also covered,especially in the areas of energy,electronics and sensing,and we conclude with discussion on the remaining challenges and potential directions in this emerging field.

关键词： two-dimensional materials assembly self-assembly post-synthesis assembly integrated nanostructures

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Forging an easier path through graduation:Improving the patient transition from paediatric to adult critical care

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World Journal of Critical Care Medicine 2025年第1期14卷 82-90页

作者： Stephen Warrillow Ben Gelbart Jess Stevens Gordon Baikie Mark E Howard Department of Intensive Care Austin HealthHeidelberg 3084VictoriaAustralia Department of Critical Care The University of MelbourneParkville 3010VictoriaAustralia Department of Intensive Care Royal Children’s HospitalParkville 3010VictoriaAustralia Living with Disability Research Centre La Trobe UniversityBundoora 3086VictoriaAustralia Department of Neurodevelopment&Disability Royal Children’s HospitalParkville 3010VictoriaAustralia Department of Paediatrics The University of MelbourneParkville 3010VictoriaAustralia Department of Respiratory and Sleep Medicine Austin HealthHeidelberg 3084VictoriaAustralia Department of Medicine Austin HealthThe University of MelbourneHeidelberg 3084VictoriaAustralia

Adolescence and the journey to adulthood involves exciting opportunities as well as psychosocial stress for young people growing *** normal experiences are potentially magnified for teenagers living with chronic illness or disability and their *** in care have improved survival for children with a variety of serious chronic medical conditions such that many who may once have died in childhood now survive well into adulthood with ongoing *** those with highly complex needs,care is often provided at major paediatric hospitals with expertise,specially trained personnel,and resources to support young people and their families for the first decades of *** the end of adolescence,however,it is generally appropriate and necessary for young adults and their caregivers to transition to the care of clinicians trained in the care of adults at general *** there are some well-managed models to support this journey of transition,these are often specific to certain conditions and usually do not involve intensive *** patients may encounter considerable challenges during this *** may include the loss of established therapeutic relationships,a perception of austerity and reduced amenity in facilities oriented to caring for adult patients,and care by clinicians with less experience with more common paediatric *** addition,there is a risk of potential conflict between clinicians and families regarding goals of care in the event of a critical illness when it occurs in a young adult with major disability and long-term health *** challenges present genuine opportunities to better understand the transition from paediatric to adult-based care and to improve processes that assist clinicians who support patients and families as they shift between healthcare settings.

关键词： Paediatric intensive care Disability Adult intensive care Transition Critical care

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A perspective on the Li-ion battery

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Science China Chemistry 2019年第12期62卷 1555-1556页

作者： John B.Goodenough Hongcai Gao texas Materials Institute and Materials Science Program The University of Texas at Austin Cockrell School of Engineering

In the 1960s,Rouxel in France and Robert Schroeder in Germany explored the chemistry of reversible intercalation of Li^+between MS2(M=transition metal)layers held together by weak Van der Waals bonding[1].In 1967,Kummer and Webber of the Ford Motor *** discovered fast 2D Na+diffusion at 300℃in incompletely occupied Na^+and O layers between spinel blocks of an aluminum oxide and had invented a sodium-sulfur battery operating above 300℃.

关键词： battery incomplete occupied

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Commentary on“A modified fixation technique for the cure of buried penis in children”

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Asian Journal of Andrology 2023年第1期25卷 144-145页

作者： Sofia Gereta Adan N Tijerina Safiya-Hana Belbina E Charles Osterberg Dell Medical School University of Texas at AustinAustinTX 78712USA Division of Urology Department of Surgery and Perioperative CareDell Medical SchoolUniversity of Texas at AustinAustinTX 78712USA

Congenital buried penis is an uncommon urological anomaly affecting approximately 0.3%of young children.1 Buried penis occurs when a normal-length penis appears to be externally small,and congenital forms are associated with poor attachment between the penile base and skin,inelastic dartos fascia,inadequate outer penile skin,or excess suprapubic fat deposition.

关键词： buried congenital outer

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Light-Induced Phonon-Mediated Magnetization in Monolayer MoS_(2)

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Chinese Physics Letters 2023年第7期40卷 80-85页

作者：张圣杰裴昱非胡史奇武娜陈大强廉超孟胜 Beijing National Laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing 100190China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100190China Songshan Lake Materials Laboratory Dongguan 523808China Department of Physics University of OxfordOxford OX26QAUnited Kingdom Oden Institute for Computational Engineering and Sciences The University of Texas at AustinAustinTexas 78712USA Department of Physics The University of Texas at AustinAustinTexas 78712USA

Light-induced ultrafast spin dynamics in materials is of great importance for developments of spintronics and magnetic storage *** progresses include ultrafast demagnetization,magnetic switching,and magnetic phase transitions,while the ultrafast generation of magnetism is hardly ***,a strong lightinduced magnetization(up to 0.86μBper formula unit)is identified in non-magnetic monolayer molybdenum disulfide(MoS_(2)).With the state-of-the-art time-dependent density functional theory simulations,we demonstrate that the out-of-plane magnetization can be induced by circularly polarized laser,where chiral phonons play a vital *** phonons strongly modulate spin-orbital interactions and promote electronic transitions between the two conduction band states,achieving an effective magnetic field~380 *** study provides important insights into the ultrafast magnetization and spin-phonon coupling dynamics,facilitating effective light-controlled valleytronics and magnetism.

关键词： magnetization transitions molybdenum

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Preface to the Special Issue:Anode Materials for Rechargeable Batteries

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Acta Metallurgica Sinica(English Letters) 2021年第3期34卷 289-290页

作者： Jianmin Ma Yu-Tao Li School of Physics and Electronics Hunan UniversityChangsha 410082China Materials Science and Engineering Program and texas Materials InstituteThe University of Texas At AustinAustinTX 78712USA

Rechargeable Li-ion batteries were first commercialized in 1991 by Sony company,and the current portable electronic devices and electric vehicles powered by rechargeable batteries have significantly accelerated the development of social *** Nobel Prize in Chemistry 2019 was also awarded jointly to John ***,*** Whittingham,and Akira Yoshino for their outstanding contribution to rechargeable Li-ion batteries.

关键词： charge jointly enough

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Repair and regeneration of peripheral nerve injuries that ablate branch points

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Neural Regeneration Research 2023年第12期18卷 2564-2568页

作者： JuliAnne E.Allgood George D.Bittner Jared S.Bushman Division of Pharmaceutical Sciences University of WyomingLaramieWYUSA Department of Neuroscience The University of Texas at AustinAustinTXUSA

The peripheral nervous system has an extensive branching organization, and peripheral nerve injuries that ablate branch points present a complex challenge for clinical repair. Ablations of linear segments of the PNS have been extensively studied and routinely treated with autografts, acellular nerve allografts, conduits, wraps, and nerve transfers. In contrast, segmental-loss peripheral nerve injuries, in which one or more branch points are ablated so that there are three or more nerve endings, present additional complications that have not been rigorously studied or documented. This review discusses:(1) the branched anatomy of the peripheral nervous system,(2) case reports describing how peripheral nerve injuries with branched ablations have been surgically managed,(3) factors known to influence regeneration through branched nerve structures,(4) techniques and models of branched peripheral nerve injuries in animal models, and(5) conclusions regarding outcome measures and studies needed to improve understanding of regeneration through ablated branched structures of the peripheral nervous system.

关键词： allograft animal model branched injuries femoral nerve peripheral nerve injury peripheral nervous system regeneration repair sciatic nerve surgical repair

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Sulfur and nitrogen codoped cyanoethyl cellulose-derived carbon with superior gravimetric and volumetric capacity for potassium ion storage

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Carbon Energy 2022年第5期4卷 986-1001页

作者： Guangzeng Cheng Wenzhe Zhang Wei Wang Huanlei Wang Yixian Wang Jing Shi Jingwei Chen Shuai Liu Minghua Huang David Mitlin School of Materials Science and Engineering Ocean University of ChinaQingdaoShandongChina Materials Science and Engineering Program Texas Materials Institute(TMI)The University of Texas at AustinAustinTexasUSA

We fabricated sulfur and nitrogen codoped cyanoethyl cellulose-derived carbons(SNCCs)with state-of-the-art electrochemical performance for potassium ion battery(PIB)and potassium ion capacitor(PIC)*** 0.2,0.5,1,2,5,and 10 A g−1,the SNCC shows reversible capacities of 369,328,249,208,150,and 121 mA h g−1,*** to a high packing density of 1.01 g cm^(−3),the volumetric capacities are also uniquely favorable,being 373,331,251,210,151,and 122 mA h cm^(−3)at these currents,*** also shows promising initial Coulombic efficiency of 69.0%and extended cycling stability with 99.8%capacity retention after 1000 *** proof of principle,an SNCC-based PIC is fabricated and tested,achieving 94.3Wh kg^(−1)at 237.5Wkg^(−1)and sustaining over 6000 cycles at 30 A g−1 with 84.5%*** internal structure of S and N codoped SNCC is based on highly dilated and defective graphene sheets arranged into nanometer-scale *** a baseline S-free carbon for comparison(termed NCC),the role of S doping and the resultant dilated structure was *** to galvanostatic intermittent titration technique and electrochemical impedance spectroscopy analyses,as well as COMSOL simulations,this structure promotes rapid solid-state diffusion of potassium ions and a solid electrolyte interphase that is stable during cycling.X-ray diffraction was used to probe the ion storage mechanisms in SNCC,establishing the role of reversible potassium intercalation and the presence of KC36,KC24,and KC8 phases at low voltages.

关键词： carbon manufacturing commercial carbon graphene potassium ion battery(KIP,PIB) potassium ion storage

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