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1.
PLOS Glob Public Health ; 4(7): e0002717, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39052647

RESUMO

Alcohol use is a risk factor for death and disability and is attributed to almost one-third of injury deaths globally. This highlights the need for interventions aimed at alcohol reduction, especially in areas with high rates of injury with concurrent alcohol use, such as Tanzania. The aim of this study is to create a culturally appropriate text messages as a booster to a brief negotiational intervention (BNI), to in the Emergency Department of the Kilimanjaro Christian Medical Centre, Moshi, Tanzania. Creation of text message boosters for an ED-based intervention expands the window of opportunity for alcohol use reduction in this high-risk population. The study followed a two-step approach to create the text message content in English and then translate and culturally adapt to Tanzanian Swahili. The culturalization process followed the World Health Organization's process of translation and adaptation of instruments. Translation, back translation, and qualitative focus groups were used for quality control to ensure text message content accuracy and cultural appropriateness. In total, nearly 50 text messages were initially developed in English, yet only 29 text messages were successfully translated and adapted; they were focused on the themes of Self-awareness, Goal setting and Motivation. We developed culturally appropriate text message boosters in Swahili for injury patients in Tanzania coupled with a BNI for alcohol use reduction. We found it important to evaluate content validation for interventions and measurement tools because the intended text message can often be lost in translation. The process of culturalization is critical in order to create interventions that are applicable and beneficial to the target population. Trial registration: Clinical Trials Registration Number: NCT02828267, NCT04535011.

2.
PLoS One ; 18(8): e0290721, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37616279

RESUMO

Even though the demand of head computed tomography (CT) in patients with mild traumatic brain injury (TBI) has progressively increased worldwide, only a small number of individuals have intracranial lesions that require neurosurgical intervention. As such, this study aims to evaluate the applicability of a machine learning (ML) technique in the screening of patients with mild TBI in the Regional University Hospital of Maringá, Paraná state, Brazil. This is an observational, descriptive, cross-sectional, and retrospective study using ML technique to develop a protocol that predicts which patients with an initial diagnosis of mild TBI should be recommended for a head CT. Among the tested models, he linear extreme gradient boosting was the best algorithm, with the highest sensitivity (0.70 ± 0.06). Our predictive model can assist in the screening of mild TBI patients, assisting health professionals to manage the resource utilization, and improve the quality and safety of patient care.


Assuntos
Concussão Encefálica , Aprendizado de Máquina , Humanos , Algoritmos , Concussão Encefálica/diagnóstico , Concussão Encefálica/fisiopatologia , Estudos Transversais , Estudos Retrospectivos
4.
Org Lett ; 19(7): 1606-1609, 2017 04 07.
Artigo em Inglês | MEDLINE | ID: mdl-28339211

RESUMO

A unique, platinum-catalyzed, direct C-H acylation of 2-(aryloxy)pyridines with acyl chlorides is discovered. The reaction requires neither an oxidant nor other additives. When both ortho positions of the aryl group are accessible, the double acylation occurs readily to produce the diacylated products. Aliphatic, aromatic, and α,ß-unsaturated acyl groups can all be introduced. The acylation reaction may proceed through an analogous aromatic electrophilic substitution triggered by the nucleophilic attack of the platinum at the acyl chloride.

5.
Toxicol Sci ; 156(2): 336-343, 2017 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-28003440

RESUMO

Effects of ZnO NPs and ionic Zn on germline apoptosis and the regulation of genes in the apoptosis pathway were investigated in vivo using the model organism Caenorhabditis elegans.Age synchronized Bristol N2 worms were exposed to ZnO NPs and ZnCl2 at concentrations of 6.14 × 10-1, 61.4, and 614 µM form larval stage 1 (L1) to early adulthood. Possible ZnO nanoparticles were observed under the worm cuticle and also in the gonadal region by transmission electron microscopy (TEM). ZnO NPs and ZnCl2 both significantly increased the number of apoptotic cells as compared with controls in the 61.4 and 614 µM treatment groups (P < .05). However, ZnO NPs induced more apoptotic cells in the 61.4 µM treatment than ZnCl2 (P < .05), suggesting ZnO NP is more potent in inducing apoptosis at specific exposure concentration. Findings using the MD701 (bcIs39 [(lim-7)ced-1p::GFP + lin-15(+)]) strain further confirmed the observations in N2 strain. Genes involved in the apoptosis pathway (ced-13, ced-3, ced-4, ced-9, cep-1, dpl-1, efl-1, efl-2, egl-1, egl-38, lin-35, pax-2, and sir-2.1) were in general upregulated in response to ZnO NP exposure. The cep-1/p53 gene was up-regulated in gene expression assay. In the cep-1 loss of function mutant, no significant increase in apoptosis was observed. Therefore, the increased apoptosis resulting from ZnO NPs exposure is likely cep-1/p53 dependent. This study provides evidence that ZnO nanoparticles affect germ cell apoptotic machinery as a potential mechanism of reproductive toxicity.


Assuntos
Apoptose/efeitos dos fármacos , Caenorhabditis elegans/efeitos dos fármacos , Cloretos/farmacologia , Células Germinativas/efeitos dos fármacos , Nanopartículas Metálicas , Compostos de Zinco/farmacologia , Óxido de Zinco/farmacologia , Animais , Apoptose/genética , Caenorhabditis elegans/genética , Proteínas de Caenorhabditis elegans/genética
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