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mechanically driven assembly of biomimetic 2D-material microtextures with bioinspired multifunctionality

Nano Research 2024年第2期17卷 663-678页

作者： Yang Li Lin Jing joshua m.little Haochen Yang Tsai-Chun Chung Po-Yen Chen Department of Chemical and Biomolecular Engineering University of MarylandCollege ParkMD 20740USA maryland Robotics Center University of MarylandCollege ParkMD 20742USA School of materials Science and Engineering Nanyang Technological University50 Nanyang AvenueSingapore 639798Singapore

Nature provides a wealth of bio-inspiration for advanced material *** various nanomaterials into biomimetic microtextures with bioinspired functionalities has spurred increasing research interests and facilitated technological advances in various *** recent years,two-dimensional materials(2Dms)have emerged as important building block units in the biomimicry field due to their distinct chemical,physical,electrical,electrochemical,and catalytic *** this review article,various mechanically driven assembly approaches are summarized to fabricate various genealogies of biomimetic 2Dm microtextures with bio-inspired ***,sequential deformation strategies are discussed to programmably construct higher dimensional 2Dm microtextures,ranging from wrinkles/crumples(one-time deformation)to multiscale hierarchies(multiple deformations).Next,the current progress using higher dimensional 2Dm microtextures to imitate different biological structures and/or induce bio-inspired multifunctionality is systematically *** showcases of bio-inspiration and biomimicry using different 2Dm nanosheets are highlighted:(1)wrinkle patterns of an earthworm that spur the design of strain sensors with programmable working ranges and sensitivities,(2)wrinkle appearance of a Shar-Pei dog that motivates the fabrication of stretchable energy storage devices,(3)hierarchical scale textures of a desert lizard that inspire cation-induced gelation platforms for 2Dm aerogels,and(4)wrinkle skin of an elephant that influences the development of 2Dm protective skin for soft ***,challenges and future opportunities of adopting 2Dm nanosheets to assemble biomimetic microstructures with synergistic functionalities are discussed.

关键词： two-dimensional(2D)materials mechanically driven assembly biomimetic microtextures functional nanocomposite bio-inspired multifunctionality

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Influence of indoor airflow on airborne disease transmission in a classroom

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Building Simulation 2024年第3期17卷 355-370页

作者： mojtaba Zabihi Ri Li joshua Brinkerhoff School of Engineering Faculty of Applied ScienceUniversity of British ColumbiaKelownaCanada

It has been widely accepted that the most effective way to mitigate airborne disease transmission in an indoor space is to increase the ventilation airflow,measured in air change per hour(ACH).However,increasing ACH did not effectively prevent the spread of *** better understand the role of ACH and airflow large-scale patterns,a comprehensive fully transient computational fluid dynamics(CFD)simulation of two-phase flows based on a discrete phase model(DPm)was performed in a university classroom setting with people *** investigations encompass various particle sizes,ventilation layouts,and flow *** findings demonstrated that the particle size threshold at which particles are deemed airborne is highly influenced by the background flow strength and large-scale flow pattern,ranging from 5µm to 10µm in the cases *** effects of occupants are significant and must be precisely accounted for in respiratory particle transport *** enhanced ventilation design(UFAD-CDR)for university classrooms is introduced that places a premium on mitigating airborne disease *** to the baseline design at the same ACH,this design successfully reduced the maximum number density of respiratory particles by up to 85%.A novel airflow-related parameter,Horizontality,is introduced to quantify and connect the large-scale airflow pattern with indoor aerosol *** underscores that ACH alone cannot ensure or regulate air *** addition to the necessary ACH for air exchange,minimizing horizontal bulk motion is essential for reducing aerosol transmissibility within the room.

关键词： aerosol transmission airflow pattern horizontality COVID-19 simulation classroom ventilation

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O'Hare Airport roadway traffic prediction via data fusion and Gaussian process regression

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第4期11卷 721-732页

作者： Damola m.Akinlana Arindam Fadikar Stefan m.Wild Natalia Zuniga-Garcia joshua Auld Department of mathematics and Statistics University of South Florida Decision and Infrastructure Sciences Division Argonne National Laboratory Applied mathematics and Computational Research Division Lawrence Berkeley National Laboratory Department of Industrial Engineering and management Sciences Northwestern University Argonne National Laboratory Energy Systems Argonne National Laboratory Energy Systems Lemont

This study proposes an approach of leveraging information gathered from multiple traffic data sources at different resolutions to obtain approximate inference on the traffic distribution of Chicago's O'Hare Airport area. Specifically, it proposes the ingestion of traffic datasets at different resolutions to build spatiotemporal models for predicting the distribution of traffic volume on the road network. Due to its good adaptability and flexibility for spatiotemporal data, the Gaussian process(GP) regression was employed to provide short-term forecasts using data collected by loop detectors(sensors) and supplemented by telematics data. The GP regression is used to make predictions of the distribution of the proportion of sensor data traffic volume represented by the telematics data for each location of the sensors. Consequently, the fitted GP model can be used to determine the approximate traffic distribution for a testing location outside of the training points. Policymakers in the transportation sector can find the results of this work helpful for making informed decisions relating to current and future transportation conditions in the area.

关键词： Spatio-temporal Data fusion Gaussian process multimodal data Airport traffic O’Hare Airport

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A Qualitative Look at Decreasing Barriers to Receiving Uninterrupted Care for People Living with HIV in Rural Southern Georgia

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Open Journal of Nursing 2024年第8期14卷 447-458页

作者： joshua m. Kies School of Nursing Georgia Southern University Statesboro USA

Early linkage to antiretroviral therapy (ART) after HIV diagnosis extends life. Low socioeconomic populations with HIV face regional concerns that inhibit early treatment. Barriers include religious-based stigma, lack of local treatment facilities, fear of discovery and purposeful secrecy fostering increased HIV transmission and decreased ART adherence. This ethnographic qualitative study employed semi-structured interviews with 10 health care providers (HCP) and 10 people living with HIV (PLWH) to discover methods to streamline care and increase medication adherence. Clients perceive enhanced care when they are active participants in treatment. HCPs reported positive health outcomes when there was active multidisciplinary communication. Obstacles included a lack of consistent medication assistance programs, homelessness, and limited access to specialized services. There is a need for further investigation on how to provide individualized, holistic treatment to a population of patients with extremely limited federal funding in a geographic region where religious stigma surrounding HIV is widespread.

关键词： Antiretroviral Treatment (ART) Barriers Compliance HIV Rural

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Protective effects of cyclosporine and its analog NIm-811 in a murine model of hepatic ischemia-reperfusion injury

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Liver Research 2024年第1期8卷 46-53页

作者： joshua Hefler Rena Pawlick Braulio A.marfil-Garza Aducio Thiesen Nerea Cuesta-Gomez Sanaz Hatami Darren H.Freed Constantine Karvellas David L.Bigam A.m.James Shapiro Department of Surgery Faculty of Medicine&DentistryUniversity of AlbertaEdmontonABCanada Department of medicine Faculty of Medicine&DentistryUniversity of AlbertaEdmontonABCanada CHRISTUS-LatAm Hub Excellence&Innovation Center MonterreyMexico Alberta Diabetes Institute University of AlbertaEdmontonABCanada Clinical Islet Transplant Program University of AlbertaEdmontonABCanada Department of Laboratory medicine&Pathology Faculty of Medicine&DentistryUniversity of AlbertaEdmontonABCanada

Background and aim:The liver is susceptible to ischemia-reperfusion injury(IRI)during hepatic surgery,when the vessels are compressed to control bleeding,or liver transplantation,when there is an obligate period of *** hallmark of IRI comprises mitochondrial dysfunction,which generates reactive oxygen species,and cell death through necrosis or ***(CsA),which is a well-known immunosuppressive agent that inhibits calcineurin,has the additional effect of inhibiting the mito-chondrial permeability transition pore(mPTP),thereby,preventing mitochondrial swelling and ***-811,which is the nonimmunosuppressive analog of CsA,has a similar effect on the *** this study,we tested the effect of both agents on mitigating warm hepatic IRI in a murine *** and methods:Before ischemic insult,the mice were administered with intraperitoneal normal saline(control);CsA at 2.5,10,or 25 mg/kg;or NIm-811 at 10 mg/***,the mice were subjected to partial warm hepatic ischemia by selective pedicle clamping for 60 min,followed by 6 h of recovery after *** alanine transaminase(ALT)was measured,and the liver tissue was examined histologically for the presence of apoptosis and the levels of inflammatory ***:Compared with the control mice,the mice treated with 10 and 25 mg/kg of CsA and NIm-811 had significantly lower ALT levels(Pmoreover,the liver tissue showed reduced histological injury scores after treatment with CsA at 2.5,10,and 25 mg/kg and NIm-811(P=0.041,ment with CsA at all doses(P=0.012,0.007,andmmatory cyto-kines,particularly interleukin(IL)-1β,IL-2,IL-4,IL-10,and keratinocyte chemoattractant/human growth-regulated oncogene significantly decreased in the mice treated with the highest dose of CsA(25 mg/kg)than those in the control ***

关键词： Cyclosporine(CsA) Cyclosporine analogue Liver surgery Ischemia-reperfusion injury(IRI) Animal model NIm-811

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Synergistic Interactions of Soil and Vegetation in Agroforestry Systems in mitigating Climate Change in Upper East Region, Ghana

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American Journal of Climate Change 2024年第2期13卷 140-162页

作者： joshua A. Adombire Abdul-Wahab m. Imoro Eunice Essel Nang B. Douti Department of Environmental Science C. K. Tedam University of Technology and Applied Sciences Navrongo Ghana Department of Forestry and Forest Resources management University for Development Studies Tamale Ghana Department of Crop Science and Biotechnology C. K. Tedam University of Technology and Applied Sciences Navrongo Ghana

Climate change has been a global pandemic with its adverse impacts affecting environments and livelihoods. This has been largely attributed to anthropogenic activities which generate large amounts of Green House Gases (GHGs), notably carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) among others. In the Upper East of Ghana, climate change manifests in erratic rainfalls, drought, high temperatures, high wind speeds, high intensity rainfall, windstorms, flooding, declining vegetation cover, perennial devastating bushfires etc. Practices such as burning farm residues, use of dung as fuel for cooking, excessive application of nitrogenous fertilizers, and deforestation that are prevalent in the region exacerbate the situation. Although, efforts made by governmental and none-governmental organizations to mitigate climate change through afforestation, agroforestry and promotion of less fuelwood consuming cook stoves, land management practices antagonize these efforts as more CO2 is generated than the carrying capacity of vegetation in the region. Research findings have established the role of trees and soil in carbon sequestration in mitigating climate. However, there is limited knowledge on how the vegetation and soil in agroforestry interplay in mitigation climate change. It is against this background that this review seeks to investigate how vegetation and soil in an agroforestry interact synergistically to sequester carbon and contribute to mitigating climate change in Upper East region of Ghana. In this review, it was discovered soil stored more carbon than vegetation in an agroforestry system and is much effective in mitigating climate change. It was found out that in order to make soil and vegetation in an agroforestry system interact synergistically to effectively mitigate climate change, Climate Smart Agriculture practice which integrates trees, and perennials crops effectively mitigates climate. The review concluded that tillage practices that ensure r

关键词： Climate Change Carbon Sequestration Agroforestry Photosynthesis Nutrient mining Synergistic

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Low-Cost and Biodegradable Thermoelectric Devices Based on van der Waals Semiconductors on Paper Substrates

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Energy & Environmental materials 2024年第01期7卷 205-210页

作者： Gulsum Ersu Carmen munuera Federico J.mompean Daniel Vaquero Jorge Quereda Jo?o Elias F.S.Rodrigues Jose A.Alonso Eduardo Flores Jose R.Ares Isabel J.Ferrer Abdullah m.Al-Enizi Ayman Nafady Sruthi Kuriakose joshua O.Island Andres Castellanos-Gomez materials Science Factory Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC) Nanotechnology Group USAL–Nanolab Univesidad de Salamanca GISC Departamento de Física de Materiales Universidad Complutense de Madrid Departamento de Física Aplicada Centro de Investigación y Estudios Avanzados mIRE Group Departamento de Física de Materiales Universidad Autónoma de Madrid Instituto Nicolás Cabrera Universidad Autónoma de Madrid Department of Chemistry College of Science King Saud University Department of Physics and Astronomy University of Nevada Las Vegas

We present a method to fabricate handcrafted thermoelectric devices on standard office paper *** devices are based on thin films of WS2,Te,and BP（P-type semiconductors） and TiS3and TiS2（N-type semiconductors）,depo... 详细信息

关键词： paper-based electronics Seebeck effect semiconductors thermoelectrics van der Waals materials

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Recurrent gene flow between Neanderthals and modern humans over the past 200,000 years

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四川生理科学杂志 2024年第7期46卷 1621-1621页

作者： Akey, joshua m Li, Liming Comi, Troy J Bierman, Rob F Department of medical Genetics and Developmental Biology School of Medicine The Key Laboratory of Developmental Genes and Human Diseases Ministry of Education Southeast University Nanjing 210009 China The Lewis-Sigler Institute for Integrative Genomics Princeton University Princeton NJ 08540 USA The Lewis-Sigler Institute for Integrative Genomics Princeton University Princeton NJ 08540 USA

Although it is well known that the ancestors of modern humans and Neanderthals admixed,the effects of gene flow on the Neanderthal genome are not well *** develop methods to estimate the amount of human-introgressed s... 详细信息

关键词： flow modern apply

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Dynamics of self-hybridized exciton–polaritons in 2D halide perovskites

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Light(Science & Applications) 2024年第1期13卷 13-22页

作者： Surendra B.Anantharaman Jason Lynch Christopher E.Stevens Christopher munley Chentao Li Jin Hou Hao Zhang Andrew Torma Thomas Darlington Francis Coen Kevin Li Arka majumdar PJames Schuck Aditya mohite Hayk Harutyunyan joshua R.Hendrickson Deep Jariwala Department of Electrical and Systems Engineering University of PennsylvaniaPhiladelphiaPA19104USA KBR Inc. BeavercreekOH45431USA Air Force Research Laboratory Sensors DirectorateWright-Patterson Air Force BaseOH45433USA Department of Physics University of WashingtonSeattleWA98195USA Department of Physics Emory UniversityAtlantaGA30322USA Department of Chemical and Biomolecular Engineering Rice UniversityHoustonTX77005USA Department of materials Science and Nanoengineering Rice UniversityHoustonTX77005USA Applied Physics Program Smalley‐Curl InstituteRice UniversityHoustonTX77005USA Department of mechanical Engineering Columbia UniversityNew YorkNY10027USA Department of Electrical and Computer Engineering University of WashingtonSeattleWA98195USA

Excitons,bound electron–hole pairs,in two-dimensional hybrid organic inorganic perovskites(2D HOIPs)are capable of forming hybrid light-matter states known as exciton-polaritons(E–Ps)when the excitonic medium is confined in an optical *** the case of 2D HOIPs,they can self-hybridize into E–Ps at specific thicknesses of the HOIP crystals that form a resonant optical cavity with the ***,the fundamental properties of these self-hybridized E–Ps in 2D HOIPs,including their role in ultrafast energy and/or charge transfer at interfaces,remain ***,we demonstrate that>0.5µm thick 2D HOIP crystals on Au substrates are capable of supporting multiple-orders of self-hybridized E–P *** E–Ps have high Q factors(>100)and modulate the optical dispersion for the crystal to enhance sub-gap absorption and *** varying excitation energy and ultrafast measurements,we also confirm energy transfer from higher energy E–Ps to lower energy E–***,we also demonstrate that E–Ps are capable of charge transport and transfer at *** findings provide new insights into charge and energy transfer in E–Ps opening new opportunities towards their manipulation for polaritonic devices.

关键词： charge polar excitation

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A 30% incidence of renal cysts with varying sizes and densities in biomedical research swine is not associated with renal dysfunction

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Animal models and Experimental medicine 2020年第3期3卷 273-281页

作者： Belinda I.Gómez joshua S.little Alisa J.Leon Ian J.Stewart David m.Burmeister United States Army Institute of Surgical Research JBSA Fort Sam HoustonTXUSA David Grant US Air Force medical Center Travis Air Force BaseCAUSA Uniformed Services University of the Health Sciences BethesdaMDUSA

Background:Renal cystic disease arising from various etiologies results in fluid-filled cavities within the ***,preexisting renal dysfunction has been shown to exacerbate multiple *** swine bred for biomedical research are often clinically inspected for illness/parasites,more advanced diagnostics may aid in uncovering underlying renal ***:Computed tomography was performed in 54 female prepubertal Yorkshire swine to characterize renal cysts;urine and blood chemistry,and histology of cysts were also ***:Digital reconstruction of right and left kidneys demonstrated that roughly one-third of the animals(17/54;31%)had one or more renal *** biomarkers of renal function were not different between animals that had cysts and those that did ***,urinary glucose(P=.03)was higher and sodium(P=.07)tended to be lower in animals with cysts compared to animals without,with no differences in protein(P=.14)or potassium(P=.20).Aspiration of cystic fluid was feasible in two animals,which revealed that the cystic fluid urea nitrogen(97.6±28.7 vs 911.3±468.2 mg/dL),potassium(29.8±14.4 vs 148.2±24.85 mmol/L),uric acid(2.55±1.35 vs 11.4±5.65 mg/dL),and creatinine(60.34±17.26 vs 268.99±95.79 mg/dL)were much lower than in the *** demonstrated a cyst that markedly compresses the adjacent cortex and is lined by a single layer of flattened epithelium,bounded by fibrous connective tissue which extends into the *** is tubular atrophy and loss in these ***:This study provides valuable insight for future studies focusing on kidney function in swine bred for biomedical research.

关键词： computed tomography cyst kidney renal dysfunction swine

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