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Simulated rainfall in Brazil:An alternative for assesment of soil surface processes and an opportunity for technological development

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International Soil and Water Conservation Research 2024年第1期12卷 29-42页

作者： Camila Calazans da silva luz Wilk Sampaio de Almeida Adilson Pacheco de Souza Nivaldo Schultz Jamil Alexandre Ayach Anache Daniel Fonseca de Carvalho Postgraduate Program in Agronomy-Soil Sciences Federal Rural University of Rio de JaneiroSeropédicaRJBrazil Agronomy Department Federal Institute of EducationScience and Technology of RondôniaAriquemesROBrazil Federal University of Mato Grosso SinopMTBrazil Federal Rural University of Rio de Janeiro SeropédicaRJBrazil Federal University of Mato Grosso do Sul Campo GrandeMSBrazil

Rainfall simulators(RS)have been used,above all,to evaluate hydrological processes related to soil water infiltration,surface runoff and soil *** allow repeatability of rain application with different precipitation intensities in field and/or laboratory conditions and should produce events with physical characteristics similar to natural *** this manuscript,we carried out a bibliometric and scientometric analysis of studies with simulated rainfall in Brazil to assess the temporal evolution of publications,the main topics addressed and the degree of technological development of the *** searched for the terms“rainfall simulator”OR“simulated rainfall”AND“Brazil”in the Scopus,Web of Science,ScielO and Google Scholar *** found 143 articles published in the last 37 years(1985-2022).Our findings indicate that the main research areas covered in papers are soil erosion(57.34%),soil water infiltration(24.47%),nutrient losses(9.8%)and RS development and calibration/assessment(8.39%).In recent years,the number of published papers in international high-impact factor journals has *** of the papers(49.65%)refer to studies carried out by institutions located in the south and southeast regions of ***,there is a large gap of studies on simulated rainfall in other regions of Brazil,where important biomes such as the Cerrado,Amazon,Caatinga,and their transitions are *** study informs research priorities on soil erosion under simulated rainfall and provides a bibliographic database that can assist in more detailed future analyses.

关键词： Rainfall simulator Soil and water losses Soil water infiltration Bibliometrics Scientific review

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New avenues for the treatment of immunotherapy-resistant pancreatic cancer

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1134-1153页

作者： Luis Guilherme de Oliveira silva Fabian Fellipe Bueno Lemos mar.el silva luz Samuel Luca Rocha Pinheiro mariana dos Santos Calmon Gabriel Lima Correa Santos Gabriel Reis Rocha Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

Pancreatic cancer(PC)is characterized by its extremely aggressive nature and ranks 14th in the number of new cancer cases ***,due to its complexity,it ranks 7th in the list of the most lethal cancers *** pathogenesis of PC involves several complex processes,including familial genetic factors associated with risk factors such as obesity,diabetes mellitus,chronic pancreatitis,and *** in genes such as KRAS,TP53,and SMAD4 are linked to the appearance of malignant cells that generate pancreatic lesions and,consequently,*** this context,some therapies are used for PC,one of which is immunotherapy,which is extremely promising in various other types of cancer but has shown little response in the treatment of PC due to various resistance mechanisms that contribute to a drop in immunotherapy *** is therefore clear that the tumor microenvironment(TME)has a huge impact on the resistance process,since cellular and non-cellular elements create an immunosuppressive environment,characterized by a dense desmoplastic stroma with cancerassociated fibroblasts,pancreatic stellate cells,extracellular matrix,and immunosuppressive *** to this are genetic mutations in TP53 and immunosuppressive factors that act on T cells,resulting in a shortage of CD8+T cells and limited expression of activation markers such as *** this way,finding new strategies that make it possible to manipulate resistance mechanisms is ***,techniques such as the use of TME modulators that block receptors and stromal molecules that generate resistance,the use of genetic manipulation in specific regions,such as microRNAs,the modulation of extrinsic and intrinsic factors associated with T cells,and,above all,therapeutic models that combine these modulation techniques constitute the promising future of PC ***,this study aims to elucidate the main mechanisms of resistance to immunotherapy in PC and new ways of manipulating thi

关键词： Pancreatic cancer Immunotherapy Resistance Tumor microenvironment manipulation Combined immunotherapy

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Urea breath test for Helicobacter pylori infection in adult dyspeptic patients: A meta-analysis of diagnostic test accuracy

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World Journal of Gastroenterology 2024年第6期30卷 579-598页

作者： Fabian Fellipe Bueno Lemos Caroline Tianeze de Castro mar.el silva luz Gabriel Reis Rocha Gabriel Lima Correa Santos Luís Guilherme de Oliveira silva mariana Santos Calmon Cláudio Lima Souza Ana Carla Zarpelon-Schutz Kádima Nayara Teixeira Dulciene maria de Magalhães Queiroz Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Instituto de Saúde Coletiva Universidade Federal da BahiaSalvador 40110040BahiaBrazil Campus Toledo Universidade Federal do ParanáToledo 85919-899ParanáBrazil Laboratory of Research in Bacteriology UFMGBelo Horizonte 30130-100Minas GeraisBrazil

BACKGROUND Helicobacter pylori(***)infection has been well-established as a significant risk factor for several gastrointestinal *** urea breath test(UBT)has emerged as a leading non-invasive method for detecting *** numerous studies confirming its substantial accuracy,the reliability of UBT results is often compromised by inherent *** findings underscore the need for a rigorous statistical synthesis to clarify and reconcile the diagnostic accuracy of the UBT for the diagnosis of *** *** To determine and compare the diagnostic accuracy of 13C-UBT and 14C-UBT for *** infection in adult patients with *** We conducted an independent search of the PubMed/MEDLINE,EMBASE,and Cochrane Central databases until April *** search included diagnostic accuracy studies that evaluated at least one of the index tests(^(13)C-UBT or ^(14)C-UBT)against a reference *** used the QUADAS-2 tool to assess the methodo-logical quality of the *** utilized the bivariate random-effects model to calculate sensitivity,specificity,positive and negative test likelihood ratios(LR+and LR-),as well as the diagnostic odds ratio(DOR),and their 95%confidence *** conducted subgroup analyses based on urea dosing,time after urea administration,and assessment *** investigate a possible threshold effect,we conducted Spearman correlation analysis,and we generated summary receiver operating characteristic(SROC)curves to assess ***,we visually inspected a funnel plot and used Egger’s test to evaluate publication *** both as reliable diagnostic tools in clinical *** In summary,our study has demonstrated that ^(13)C-UBT has been found to outperform the ^(14)C-UBT,making it the preferred diagnostic ***,our results emphasize the significance of carefully considering urea dosage,assessment timing,and measurement techniques for both tests to enh

关键词： Helicobacter pylori Urea breath test Diagnosis Diagnostic test accuracy Meta-analysis

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Immune pathway through endometriosis to ovarian cancer

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World Journal of Clinical Oncology 2024年第4期15卷 496-522页

作者： mariana Santos Calmon Fabian Fellipe Bueno Lemos mar.el silva luz Samuel Luca Rocha Pinheiro Luis Guilherme de Oliveira silva Gabriel Lima Correa Santos Gabriel Reis Rocha Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

Endometriosis is an estrogen-dependent inflammatory disease,defined by the presence of functional endometrial tissue outside of the uterine *** disease is one of the main gynecological diseases,affecting around 10%-15%women and girls of reproductive age,being a common gynecologic *** endometriosis is a benign disease,it shares several characteristics with invasive *** support that it has been linked with an increased chance of developing endometrial ovarian cancer,representing an earlier stage of neoplastic *** is particularly true for women with clear cell carcinoma,low-grade serous carcinoma and ***,the carcinogenic pathways between both pathologies remain poorly *** studies suggest a connection between endometriosis and endometriosis-associated ovarian cancers(EAOCs)via pathways associated with oxidative stress,inflammation,and *** article aims to review current data on the molecular events linked to the development of EAOCs from endometriosis,specifically focusing on the complex relationship between the immune response to endometriosis and cancer,including the molecular mechanisms and their *** recent developments in immunotherapy and their potential to boost the effectiveness of future treatments.

关键词： Ovarian neoplasms Endometriosis Endometriosis-associated ovarian cancers Immune response Immunotherapy

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PtRu nanoparticles supported on noble carbons for ethanol electrooxidation

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Journal of Energy Chemistry 2022年第3期31卷 168-180,I0006页

作者： Alberto Rodríguez-Gómez Enrico Lepre luz Sánchez-silva Nieves López-Salas Ana Raquel de la Osa Faculty of Chemical Sciences and Technologies University of Castilla-La ManchaEnrique Costa Novella Building.Avda.Camilo Jose Cela1213071 Ciudad RealSpain Colloid Chemistry Department Max Planck Institute of Colloids and InterfacesAm Mühlenberg 114476 PotsdamGermany

In this work,three cytosine derived nitrogen doped carbonaceous materials(noble carbons,NCs)with different atomic C/N ratios and porous networks have been synthesized and used as supports for Pt Ru electrocatalysts in the ethanol oxidation reaction(EOR)for clean hydrogen ***,the metal phase and the carbon support play critical roles in the electrocatalysts final *** NPs size distribution was obtained over supports with low atomic C/N ratios(i.e.,4 and 6)and defined porosity(i.e.,1701 m^(2)g^(-1)for Pt Ru/CNZ and 1834 m^(2)g^(-1)for Pt Ru/CLZ,respectively).In contrast,a lower C/N ratio and poor porous network(i.e.,65 m^(2)g^(-1),Pt Ru/CLK)led to the largest particle size and fostered an increase of the alloying degree between Pt and Ru NPs(i.e.,3%for C/N~6 and 28%for C/N~3).electrochemical active surface area was found to increase with decreasing NPs size and the alloy extent,due to a higher availability of Pt active *** degradation tests showed that Pt Ru/NCs outperform similar to Pt Ru NPs on commercial carbon pointing at the stabilizing effect of *** Ru/CNZ exhibited the best electrochemical performance(i.e.,69.1 m A mgPt-1),outperforming Pt Ru/CLZ and Pt Ru/CLK by3-and 9-fold,respectively,due to a suitable compromise between particle sizes,degree of alloy,textural properties and elemental *** anodes were scaled-up to a proton exchange membrane cell and Pt Ru/CNZ was proved to provide the best electrocatalytic activity(262 m A cm^(-2)and low energy requirements),matching the values obtained by the state of the art of EOR electrocatalysts.

关键词： Noble carbon Cytosine H2 production Ethanol electrooxidation PtRu anode PEM cell

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Palliative oral care in terminal cancer patients:Integrated review

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World Journal of Clinical Cases 2023年第13期11卷 2966-2980页

作者： Ana Rute Preis silva Augusto Vanni Bodanezi Emanuely silva Chrun mariah luz Lisboa Alessandra R de Camargo Etiene Andrade Munhoz Department of Dentistry Federal University of Santa CatarinaFlorianopolis 88040-379Brazil Department of Pathology Federal University of Santa CatarinaFlorianopolis 88040900Brazil Professor Polydoro São Thiago Ernani Hospital Federal University of Santa CatarinaFlorianopolis 88040900Brazil Department of Dentistry Health Science CentreFederal University of Santa CatarinaFlorianopolis 88040-379Brazil

BACKGROUND Palliative care(PC)aims to improve quality of life in patients and its families against life threatening diseases,through suffering’s prevention and *** is the duty of the dental surgeon to possess the knowledge needed to treat a patient with little life span,in order to establish an adequate treatment plan for each *** To synthesize the published evidence on oral conditions,impact,management and challenges in managing oral conditions among palliative *** Articles were selected from PubMed and Scopus electronic platforms,using a research strategy with diverse descriptors related to“palliative care”,“cancer”and“oral health”.The article’s selection was done in two *** first one was performed by the main researcher through the reading of the *** the second phase two researchers selected eligible articles after reading in full those previous *** was tabulated and analyzed,obtaining information about what is found in literature related to this subject and what is necessary to be approached in future researches about *** As results,the total of 15 articles were eligible,being one a qualitative analysis,13(92.8%)clinical trials and one observational *** the 15 articles,8(53.4%)involved questionnaires,while the rest involved:one systematic review about oral care in a hospital environment,2 oral exams and oral sample collection,one investigation of terminal patient’s(TP)oral assessment records,2 collection of oral samples and their respective analysis and one treatment of the observed oral *** It can be concluded that the oral manifestations in oncologic patients in terminal stage are,oral candidiasis,dry mouth,dysphagia,dysgeusia,oral mucositis and orofacial *** a protocol for the care of these and other complications of cancer–or cancer therapy–based on scientific evidence with the latest cutting-edge research results is of fundamental importance for the multidis

关键词： Palliative care Oral lesion Terminal patients,Oral mucositis,Oral candidiasis

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Mechanical properties of a clay soil reinforced with rice husk under drained and undrained conditions

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Journal of Rock Mechanics and Geotechnical Engineering 2023年第10期15卷 2676-2686页

作者： Claudia Regina Bernardi Baldin Maiky Yamato Kawanami Weiner Gustavo silva Costa Vitor Reinaldo Bordignon Cristhyano Cavali da luz Ronaldo Luis dos Santos Izzo Federal University of Technology-Paraná CuritibaBrazil

Fiber-reinforced soils have been increasingly used in geotechnical *** the years,research has sought to understand and investigate the influences of fibers as reinforcement in soilefiber *** study assessed the behavior of clayey soil in the city of Curitiba(Paraná,Brazil),adding rice husk fiber(RHF),an industrial waste from Cooperativa Agroindustrial in Alegrete(Rio Grande do Sul,Brazil).To evaluate the effect of the presence of natural RHF on the mechanical behavior of compacted soil,aspects such as the influence of fiber content and the drained and undrained behaviors of the soil were evaluated through unconfined triaxial compression *** following tests were realized:soil granulometry,specific mass of solids and Atterberg *** were produced in quadruplicate for the soil and mixtures using the RHF contents of 0.5%,0.75%,1%and 1.5%to determine the unconfined compressive strength(UCS).Triaxial tests were realized on a pure soil specimen and the specimens with 1%RHF under confining pressures of 50 kPa,100 kPa,200 kPa and 400 *** interactions at the interface between husk surface and soil were analyzed using scanning electron microscopy(SEM).In UCS tests,specimens with RHF percentages of 1%and 1.5%presented the highest results,with an increment of 36%compared to the soil without *** results of the consolidated drained triaxial compression tests show that in terms of effective stress,there was a small difference in the strength of the compacted pure soil and soil with the addition of *** the undrained tests,the strength increased with the inclusion of husk,with a reduction of 50%in cohesion and an increment of 22%in friction angle for specimens containing RHF compared to the soil without RHF additions.

关键词： Clay soil Rice husk Soil reinforcemen

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Nanorobotics in Drug Delivery Systems for Treatment of Cancer： A Review

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材料科学与工程（中英文A版） 2016年第3期6卷 167-180页

作者： Glecia Virgolino da silva luz Post-Graduate Program in Biomedical Engineering Campus Gama-FGA University of Brasilia-UnB Brasilia 72444-240 Brazil Pharmaceutical Technology and Quality Control of Medicines University Center of Distrito Federal-UDF Brasilia 70390-045Brazil University of Brasilia-UnB/ UnB at Gama-FGA Brasilia 72444-240 Brazil Post-Graduate Program in Health Sciences Campus Darcy Ribeiro University of Brasilia-UnB Brasilia 70910-900 Brazil Nanotechnology Laboratory- University of Brasilia at Gama (NANOTEC-FGA/UnB) Brasilia 72444-240 Brazil

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Role of non-Helicobacter pylori gastric Helicobacters in helicobacter pylori-negative gastric mucosa-associated lymphoid tissue lymphoma

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世界胃肠病学杂志:英文版 2023年第32期29卷 4851-4859页

作者： Fabian Fellipe Bueno Lemos mar.el silva luz Samuel Luca Rocha Pinheiro Kádima Nayara Teixeira Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029094Brazil Campus Toledo Universidade Federal do ParanáToledo 85919899Brazil

marginal zone lymphomas rank as the third most prevalent form of non-Hodgkin B-cell lymphoma,trailing behind diffuse large B-cell lymphoma and follicular *** mucosa-associated lymphoid tissue lymphoma(GML)is a low-grade B-cell neoplasia frequently correlated with Helicobacter pylori(***)-induced chronic *** the other hand,a specific subset of individuals diagnosed with GML does not exhibit *** *** contrast to its ***-positive counterpart,it was previously believed that ***-negative GML was less likely to respond to antimicrobial *** this,surprisingly,increasing evidence supports that a considerable proportion of patients with ***-negative GML show complete histopathological remission after bacterial eradication ***,the precise mechanisms underlying this treatment responsiveness are not yet fully *** recent years,there has been growing interest in investigating the role of *** gastric helicobacters(NHPHs)in the pathogenesis of ***-negative ***,additional research is required to establish the causal relationship between NHPHs and *** this minireview,we examined the current understanding and proposed prospects on the involvement of NHPHs in ***-negative GML,as well as their potential response to bacterial eradication therapy.

关键词： Lymphoma B cell marginal zone Gastric mucosa-associated lymphoid tissue lymphoma Helicobacter pylori Non-Helicobacter pylori gastric helicobacters Helicobacter heilmannii Helicobacter suis

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Usher syndrome:Genetic diagnosis and current therapeutic approaches

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World Journal of Otorhinolaryngology 2024年第1期11卷 1-17页

作者： Beatriz Rocha Cuzzuol Jonathan Santos Apolonio Ronaldo Teixeira da silva Júnior Lorena Sousa de Carvalho Luana Kauany de SáSantos Luciano Hasimoto Malheiro mar.el silva luz mariana Santos Calmon Henrique de Lima Crivellaro Fabian Fellipe Bueno Lemos Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

Usher Syndrome(USH)is the most common deaf-blind syndrome,affecting approximately 1 in 6000 people in the deaf *** genetic condition is characterized by a combination of hearing loss(HL),retinitis pigmentosa,and,in some cases,vestibular *** the subtypes of USH,USH type 1 is considered the most severe form,presenting profound bilateral congenital deafness,vestibular areflexia,and early onset *** type 2 is the most common form,exhibiting congenital moderate to severe HL for low frequencies and severe to profound HL for high ***,type 3 is the rarest,initially manifesting mild symptoms during childhood that become more prominent in the first decades of *** dual impact of USH on both visual and auditory senses significantly impairs patients'quality of life,restricting their daily activities and interactions with *** date,9 genes have been confirmed so far for USH:MYO7A,USH1C,CDH23,PCDH15,USH1G,USH2A,ADGRV1,WHRN and *** genes are inherited in an autosomal recessive manner and encode proteins expressed in the inner ear and retina,leading to functional *** non-genetic methods can assist in patient triage and disease extension evaluation,genetic and molecular tests play a pivotal role in providing genetic counseling,enabling appropriate gene therapy,and facilitating timely cochlear implantation(CI).The CRISPR/Cas9 system and viral-based gene replacement therapy have recently emerged as highly promising techniques for treating *** drug therapy,PTC-124 and Nb54 have been identified as promising drug interventions for genetic HL in ***,CI has proven to be critical in the restoration of *** review aims to summarize the genetic and molecular diagnosis of USH and highlight the importance of early diagnosis in Cuzzuol BR et *** and current treatments of USH WJO https://*** 2 January 19,2024 Volume 11 Issue 1 guiding appropriate treatment strategies and i

关键词： Usher syndromes Hearing loss Retinitis pigmentosa Diagnosis Genetic therapies Cochlear implantation Quality of life

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