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Journal of Semiconductors 2024年第9期45卷 28-35页

作者： Leonarde N.Rodrigues Wesley F.Inoch Marcos L.F.Gomes Odilon D.D.Couto Jr. Bráulio S.Archanjo Sukarno O.ferreira Physics Department Federal University of ViçosaViçosa36570-900Minas GeraisBrazil Instituto de Física Gleb Wataghin Universidade Estadual de CampinasCampinas13083-859São PauloBrazil National Institute of Metrology Quality and Technology(Inmetro) Materials Metrology Division(DIMAT)Xerém2525-020Rio de JaneiroBrazil

This work shows that despite a lattice mismatch of almost 20%, CdMnTe/CdTe/CdMnTe heterostructures grown directly on Si(111) have surprisingly good optical emission properties. The investigated structures were grown by molecular beam epitaxy and characterized by scanning transmission electron microscopy, macro-and micro-photoluminescence. Low temperature macro-photoluminescence experiments indicate three emission bands which depend on the CdTe layer thickness and have different confinement characteristics. Temperature measurements reveal that the lower energy emission band (at 1.48 eV)is associated to defects and bound exciton states, while the main emission at 1.61 eV has a weak 2D character and the higher energy one at 1.71 eV has a well-defined (zero-dimensional, 0D) 0D nature. Micro-photoluminescence measurements show the existence of sharp and strongly circularly polarized (up to 40%) emission lines which can be related to the presence of Mn in the heterostructure. This result opens the possibility of producing photon sources with the typical spin control of the diluted magnetic semiconductors using the low-cost silicon technology.

关键词： CdMnTe/CdTe/CdMnTe heterostructure CdTe/CdMnTe quantum emitters quantum dot-like emission silicon(111)substrate

Production of Artificial Fog in the PAVIN Fog and Rain Platform: In Search of Big Droplets Fog

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Atmospheric and Climate Sciences 2024年第1期14卷 42-61页

作者： Pierre Duthon Mickaël ferreira Fernandes Sébastien Liandrat Cerema Reasearch Team STI 8-10 Rue Bernard Palissy Clermont-Ferrand France

In fog, visibility is reduced. This reduction in visibility is measured by the meteorological optical range (MOR), which is important for studying human perception and various sensors in foggy conditions. The Cerema PAVIN Fog & Rain platform is capable of producing calibrated fog in order to better analyses it and understand its consequences. The problem is that the droplets produced by the platform are not large enough to resemble real fog. This can have a major impact on measurements since the interaction between electromagnetic waves and fog depends on the wavelength and diameter of the droplets. To remedy this, Cerema is building a new platform with new equipment capable of generating fog. This study analyses different nozzles and associated usage parameters such as the type of water used and the pressure used. The aim is to select the best nozzle with the associated parameters for producing large-diameter droplets and therefore more realistic fog.

关键词： Fog Physical Simulation Droplets Size Distribution Meteorological Optical Range

Unsuccessful tuberculosis treatment outcomes across Brazil's geographical landscape before and during the COVID-19 pandemic:are we truly advancing toward the sustainable development/end TB goal?

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Infectious Diseases of Poverty 2024年第1期13卷 105-106页

作者： Reginaldo Bazon Vaz Tavares Thais Zamboni Berra Yan Mathias Alves Marcela Antunes Paschoal Popolin Antonio Carlos Vieira Ramos Ariela Fehr Tartaro Clara ferreira de Souza Ricardo Alexandre Arcencic Department of Maternal-Infant and Public Health Nursing University of São Paulo at Ribeirão Preto College of Nursing (USP/RPCN) Ribeirão Preto São Paulo Brazil Federal University of Tocantins Palmas Campus (FUT) Palmas Brazil State University of Minas Gerais Passos Campus (SUMG) Passos Brazil

Background Tuberculosis is one of the most significant infectious diseases for global public *** reallocation of healthcare resources and the restrictions imposed by the COVID-19 pandemic have hindered access to TB diag-nosis and *** in unfavorable outcomes of the disease have been observed in *** objective of this study was to analyze the spatial distribution of unfavorable TB treatment outcomes in Brazil before and during the *** An ecological study with spatial analysis was conducted with all 5569 municipalities in *** reported cases of tuberculosis between January 2010 and December 2021,as well as reported cases of COVID-19 from Febru-ary 2020 to December 2021,were *** outcomes studied encompass loss to follow-up,drug-resistant tuber-culosis,and *** Getis Ord GI*technique was employed to assess spatial association,and the Kernel density estimator was used to identify areas with concentrated increases or decreases in *** Local Moran's/was used to examine the spatial association between outcomes and cOVID-19 *** study was approved by the Research Ethics Committee of Ribeirao Preto Nursing School,University of Sao *** There were 134,394 cases of loss to follow-up,10,270 cases of drug resistance,and 37,863 *** of high and low values were identified for all three outcomes,indicating significant changes in the spatial distribu-tion *** in concentrations were observed for lost to follow-up cases in the Southeast,while reductions occurred in the Northeast,South,and ***-resistant tuberculosis experienced an increase in the Southern and Southeastern regions and a decrease in the Northeast and ***-related deaths showed notable concentra-tions in the Midwest,Northeast,South,and *** was an increase in high occurrence clusters for deaths after 2020 and 2021 in the *** The pandemic has brought additional chal

关键词： Tuberculosis COVID-19 Spatial analysis Ecological studies

A facile strategy for tuning the density of surface-grafted biomolecules for melt extrusion-based additive manufacturing applications

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Bio-Design and Manufacturing 2024年第3期7卷 277-291页

作者： I.A.O.Beeren G.Dos Santos P.J.Dijkstra C.Mota J.Bauer H.ferreira Rui L.Reis N.Neves S.Camarero-Espinosa M.B.Baker L.Moroni Department of Complex Tissue Regeneration MERLN Institute for Technology-Inspired Regenerative MedicineMaastricht University6229 ER MaastrichtThe Netherlands 3B’s Research Group I3Bs–Research Institute on BiomaterialsBiodegradables and BiomimeticsHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineUniversity of MinhoAveParkZona Industrial da Gandra4805-017 BarcoGuimarãesPortugal ICVS/3B’s-PT Government Associate Laboratory 4806-909 Braga/GuimarãesPortugal POLYMAT University of the Basque Country UPV/EHU20018 Donostia/San SebastiánSpain IKERBASQUE Basque Foundation for Science48009 BilbaoSpain

Melt extrusion-based additive manufacturing(ME-AM)is a promising technique to fabricate porous scaffolds for tissue engi-neering ***,most synthetic semicrystalline polymers do not possess the intrinsic biological activity required to control cell *** of biomolecules on polymeric surfaces of AM scaffolds enhances the bioactivity of a construct;however,there are limited strategies available to control the surface ***,we report a strategy to tune the surface density of bioactive groups by blending a low molecular weight poly(ε-caprolactone)5k(PCL5k)containing orthogonally reactive azide groups with an unfunctionalized high molecular weight PCL75k at different *** porous three-dimensional(3D)scaf-folds were then fabricated using a high weight percentage(75 wt.%)of the low molecular weight PCL *** a proof-of-concept test,we prepared films of three different mass ratios of low and high molecular weight polymers with a thermopress and reacted with an alkynated fluorescent model compound on the surface,yielding a density of 201-561 pmol/cm^(2).Subsequently,a bone morphogenetic protein 2(BMP-2)-derived peptide was grafted onto the films comprising different blend compositions,and the effect of peptide surface density on the osteogenic differentiation of human mesenchymal stromal cells(hMSCs)was *** two weeks of culturing in a basic medium,cells expressed higher levels of BMP receptor II(BMPRII)on films with the conjugated *** addition,we found that alkaline phosphatase activity was only significantly enhanced on films contain-ing the highest peptide density(i.e.,561 pmol/cm^(2)),indicating the importance of the surface *** together,these results emphasize that the density of surface peptides on cell differentiation must be considered at the cell-material ***,we have presented a viable strategy for ME-AM community that desires to tune the bulk and surface functionality via blending of(m

关键词： Additive manufacturing Blending Surface functionalization Surface density Click chemistry Human

Effect of biochar on the metabolome of soybean seedlings

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Oil Crop Science 2024年第1期9卷 60-68页

作者： Nathalia E.Silva Mariana G.Aguilar Osania E.ferreira Gleicia M.Paulino Jaqueline C.L.Carvalho Lúcia P.S.Pimenta Alan R.T.Machado Programa de Pos-graduaçao em Ciencias Ambientais Universidade do Estado de Minas GeraisFrutalMinas Gerais38202-436Brazil Departamento de Química Universidade Federal de Minas GeraisMinas GeraisBelo Horizonte31270-901Brazil Departamento de Engenharia Aplicada e Tecnologias Ambientais Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil Departamento de Ciencias Exatas Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil

The use of biochar can have several effects on plant germination,depending on raw material,preparation method and application ***,the molecular mechanisms that lead to those results have yet to be *** aim of this research was to improve the understanding of these mechanisms by characterizing the metabolic effects of sugarcane bagasse biochar on soybean *** types of biochars were prepared by pyrolysis at 300℃(SCB300),400℃(SCB400)and 600℃(SCB600).Then,each one was mixed into sand at 1%,3%,5%(w/w)dose,*** experiment was performed in 8 days of incubation,when the number of germinated seeds and the average radicle length were *** evaluate the metabolome,the dry biomass(DB)was subjected to extraction with a mixture of methanol-d4 and D2O(1:1 v/v).The extracts were submitted to metabolomics analysis by Proton Nuclear Magnetic *** Relative Germination,Relative Average Radicle Growth and Germination Index increased in all treatments compared to *** the other hand,the DB increased in all treatments,except for SCB300,at doses of 1%and 3%w/*** metabolites(alanine,asparagine,acetic acid,citric acid,glycerol,fatty acids and sucrose)were identified and quantified in DB extracts as the most influential finding for the separation of *** together,these results strongly suggested that biochars accelerated the catabolism of triacylglycerols to sucrose and induced a slight osmotic stress.

关键词： Germination Metabolomics 1H NMR Pyrolysis Sugarcane bagasse

Primary liver transplantation vs transplant after Kasai portoenterostomy in children with biliary atresia: A retrospective Brazilian single-center cohort

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World Journal of Transplantation 2024年第1期14卷 112-119页

作者： Melina Utz Melere Valberto Sanha Marco Farina Carolina Soares da Silva Luiza Nader Cristine Trein Angelica Maria Lucchese Cristina ferreira Antonio Nocchi Kalil Flavia Heinz Feier Department of Hepatology and Liver Transplantation Santa Casa de Porto AlegrePorto Alegre 90050170Brazil Department of Hepato-biliary-pancreatic Surgery and Liver Transplantation Irmandade Santa Casa de Misericórdia de Porto AlegrePorto Alegre 90020-090Brazil Department of Surgical Oncology Santa Rita Hospital/Santa Casa de Misericórdia de Porto AlegrePorto Alegre 90050-170Rio Grande do SulBrazil

BACKGROUND Biliary atresia(BA)is the most common indication for pediatric liver transplantation,although portoenterostomy is usually performed ***,due to the high failure rate of portoenterostomy,liver transplantation has been advocated as the primary procedure for patients with *** is still unclear if a previous portoenterostomy has a negative impact on liver transplantation *** To investigate the effect of prior portoenterostomy in infants un-dergoing liver transplantation for *** This was a retrospective cohort study of 42 pediatric patients with BA who underwent primary liver transplantation from 2013 to 2023 at a single tertiary center in *** with BA were divided into two groups:Those undergoing primary liver transplantation without portoenterostomy and those undergoing liver transplantation with prior *** variables were compared using the Student’s t-test or the Kruskal-Wallis test,and categorical variables were compared using theχ2 or Fisher’s exact test,as *** Cox regression analysis was performed to determine risk factors for portal vein *** and graft survival analyses were conducted with the Kaplan–Meier product-limit estimator,and patient subgroups were compared using the two-sided log-rank *** Forty-two patients were included in the study(25[60%]girls),23 undergoing liver transplantation without prior portoenterostomy,and 19 undergoing liver transplantation with prior *** with prior portoenterostomy were older(12 vs 8 months;P=0.02)at the time of liver transplantation and had lower Pediatric End-Stage Liver Disease scores(13.2 vs 21.4;P=0.01).The majority of the patients(35/42,83%)underwent livingdonor liver *** group of patients without prior portoenterostomy appeared to have a higher incidence of portal vein thrombosis(39 vs 11%),but this result did not reach statistical *** portoenterostomy

关键词： Hepatic portoenterostomy Biliary atresia Liver transplantation Patient outcome assessment Portal vein Survival

Extrahepatic cholestasis associated with paracoccidioidomycosis:Challenges in the differential diagnosis of biliopancreatic neoplasia

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World Journal of Gastrointestinal Oncology 2024年第6期16卷 2531-2540页

作者： Jose Sebastiao dos Santos Vitor de Moura Arrais William Jose Rosseto ferreira Ricardo Ribeiro Correa Filho Mariangela Ottoboni Brunaldi Rafael Kemp Ajith Kumar Sankanrakutty Jorge Elias Junior Fernando Bellissimo-Rodrigues Roberto Martinez Edson Zangiacomi Martinez Jose Celso Ardengh Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP) Departamento de Cirurgia e AnatomiaRibeirao Preto 14049-900Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de PatologiaRibeirao Preto 14048900Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Imagens MédicasHematologia e Oncologia ClínicaRibeirao Preto 14048900Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Medicina SocialRibeirao Preto 14015-010Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Clínica MédicaRibeirao Preto 14015-010Sao PauloBrazil Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo(FMRP-USP)Departamento de Cirurgia e AnatomiaRibeirao Preto 14049-900Sao PauloBrazil and Hospital MoriahServico de Endoscopia DigestivaSao Paulo 04084-002Sao PauloBrazil

BACKGROUND Paracoccidioidomycosis(PCM)may involve the hepatic pedicle and peripan creatic lymph nodes,cause damage to the bile duct and manifest,exceptionally,in combination with extrahepatic cholestasis(EHC),making investigation and treatment *** To investigate the management of patients with visceral PCM admitted with *** All patients diagnosed with PCM treated in a public,tertiary teaching hospital between 1982 and 2020 were retrospectively *** also identified with EHC were allocated to two groups according to the treatment approach for the purpose of comparing clinical,laboratory,and imaging findings,resources used for etiological diagnosis,treatment results,and *** analyses were performed using the linear mixed-effects model(random and fixed effects),which was adjusted using the PROC MIXED procedure of the SAS®9.0 software,and Fisher’s exact *** Of 1645 patients diagnosed with PCM,40(2.4%)had *** these,20(50.0%)lived in the rural area and 29(72.5%)were men,with a mean age of 27.1 years(3-65 years).Jaundice as first symptom and weight loss of at least 10 kg were observed in 16 patients(40.0%),and a mass in the head of the pancreas was observed in 8(20.0%).The etiological diagnosis was made by tissue collection during surgery in 4 cases(10.0%)and by endoscopic methods in 3 cases(7.5%).Twenty-seven patients(67.5%)received drug treatment alone(Group 1),whereas 13(32.5%)underwent endoscopic and/or surgical procedures in combination with drug treatment(Group 2).EHC was significantly reduced in both groups(40.7% in Group 1,with a mean time of 3 months;and 38.4% in Group 2,with a mean time of 7.5 months),with no statistically significant difference between *** recurrence rates,associated mainly with treatment nonadherence,were similar in both groups:37% in Group 1 and 15.4% in Group *** mortality rate was 18.5% in Group 1 and 23% in Group 2,with survival estimates of 71.3% and 72.5%,respectively,with

关键词： Cholestasis Jaundice Obstructive Blastomycosis Paracoccidioides Diagnosis Treatment

Analysis of Perinatal Outcomes of Twin Pregnancy in a Referral Hospital for High Risk

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Open Journal of Obstetrics and Gynecology 2024年第7期14卷 983-995页

作者： Eduarda Paim Pedro Lucas Carneiro ferreira Luciano Selistre Fernanda Grossi José Mauro Madi Gabriela Françoes Rostirolla Mdica Residente do Programa de Residncia em Ginecologia e Obstetrcia Hospital Geral de Caxias do Sul Rio Grande do Sul Brasil Faculdade de Medicina Universidade de Caxias do Sul Rio Grande do Sul Brasil Programa de Ps-Graduao Universidade de Caxias do Sul Rio Grande do Sul Brasil Servio de Ginecologia e Obstetrcia Hospital Geral de Caxias do Sul Rio Grande do Sul Brasil

Introduction: The incidence of twin pregnancies has increased significantly in recent decades. These pregnancies require more attention due to their worse outcomes than singleton pregnancies. Objective: To analyze the characteristics and perinatal outcomes of twin pregnancies at the Caxias do Sul General Hospital. Methods: This is a descriptive and retrospective study that included all births related to twin pregnancies between March 1998 and June 2018. Maternal and perinatal variables were analyzed. Descriptive analyses were carried out using measures of central tendency and dispersion for continuous variables (mean and standard deviation or median and interquartile range), according to a prior assessment of distribution using the Shapiro-Wilk test, and absolute (n) and relative (n%) frequencies for categorical variables. Results: 172 pairs of twins/21,972 births (0.8%) were identified. There was a high percentage of interpartum interval of less than 12 months, adherence and prenatal visits, body mass index, and need for neonatal intensive care. Stillbirth and neomortality rates were within acceptable parameters. Conclusion: The sample studied showed a percentage similar to that in the literature, a high rate of maternal and perinatal complications, characterizing it as a high-risk fetal pregnancy.

关键词： Pregnancy Twin Pregnancy High Risk Pregnancy Morbidity Perinatal Mortality Perinatal Results

Acupuncture for ischemic stroke:where are we now?

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Acupuncture and Herbal Medicine 2024年第1期4卷 36-55页

作者： Weiming Zhu Qingqing Jia Alberto Cantidio ferreira Hailun Jiang Jieying Zhang Boxuan Li Menglong Zhang Bifang Zhuo Yuanhao Lyu Junjie Chen Li Li Guang Tian Shizhe Deng Zhihong Meng Xuemin Shi Graduate School Tianjin University of Traditional Chinese MedicineTianjinChina First Teaching Hospital Tianjin University of Traditional Chinese MedicineTianjinChina National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion TianjinChina The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine JinanChina Taos Institute of Traditional Chinese Medicine Recife/PEBrazil

Acupuncture is an effective treatment for ischemic stroke(IS)and plays a key role in neurological rehabilitation after *** can improve the clinical symptoms of various complications after IS,including motor dysfunction,swallowing disorders,speech disorders,cognitive impairment,depression,insomnia,and ***,the mechanisms underlying the effects of acupuncture in IS remain *** evidence suggests that acupuncture may exert neuroprotective effects through neuroplasticity(neurogenesis and synaptogenesis),angiogenesis,cell proliferation and apoptosis,and regulation of oxidative stress,inflammation,and *** studies should be conducted to improve the high-quality evidence-based system of acupuncture intervention for IS,by focusing on the clinical and basic research design,increasing the sample size,standardizing and quantifying the standards of acupuncture operations,using multidisciplinary techniques and methods to systematically explore the key targets of acupuncture intervention for IS,and reveal the efficacy and mechanism of acupuncture in the treatment of IS.

关键词： Acupuncture Curative effect Electroacupuncture Ischemic stroke Mechanism Review

Thermal and photoperiodic requirements of the seedling stage of three tropical forest species

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Journal of Forestry Research 2023年第1期34卷 209-220页

作者： Fabrina Bolzan Martins Mábele de Cássia ferreira Flávia Fernanda azevedo Fagundes Gabriel Wilson Lorena Florêncio Natural Resource Institute Federal University of ItajubáItajubáMinas Gerais 37500-903Brazil

Air temperature and photoperiod play an important role in the seedling development for tropical forest *** variables are sensitive to climate,and so evaluating thermal and photoperiodic effects on seedling development is fundamental,especially for climate change *** to quantify thermal time and the energy required for plants to reach a development stage include air temperature and cardinal *** photoperiod will also affect physiological reactions of a plant and thus its *** we evaluated the six thermal time methods widely used to compute thermal requirement,and identified the influence of the photoperiod from the 2015 and2016 growing seasons and 12 sowing dates in Itajubá,Minas Gerais state,Brazil,on seedling development of three native tropical forest species Psidium guajava L.(Myrtaceae),Citharexylum myrianthum Cham.(Verbenaceae),and Bixa orellana L.(Bixaceae).The method used to quantify thermal time influenced the analytical results of seedling development;the one that considered three cardinal temperatures and compared them with the mean air temperature(Method5)performed better in computing thermal *** influence of photoperiod on seedling development was inconclusive for the three species,but all three developed better in mild temperatures(between 13.3℃and 26.9℃)with a photoperiod shorter than 13 h.

关键词： Phyllochron Thermal time Day length Seedling stage Phenology