Green Synthesis of FeO Nanoparticles Using Leaf Extract on Sawdust for Cationic Dye Adsorption.

The present study reports the synthesis of FeO nanoparticles on sawdust (FeO@PS) using a leaf extract. The morphology and structure of FeO@PS were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and UV-Vis diffuse reflectance. The adsorption capacity of the system was evaluated by testing its ability to remove the Rhodamine B (RhB) dye.

Dental caries lesions and impact on quality of life in adolescents living in urban and rural areas. A case study.

The concept of quality of life (QoL) developed from early studies on subjective wellbeing and satisfaction with life, interpreted as resulting from living conditions, and recognized by means of objective indicators. Indicators have been developed and validated to measure the relationship between quality of life and health Aim: To determine, during an Educational Social Practice, the association between presence of dental caries lesions and its impact on quality of life of adolescents living in rural and urban areas in Argentina. Materials and Method: This was an observational cross-sectional study in (a) a rural area (Tres Isletas; Chaco Province/Schools No.

Social Inequalities and Geographical Distribution in Caries Treatment Needs among Schoolchildren Living in Buenos Aires City: A Cross-Sectional Study.

Background: Caries experience in Argentine children is quite high and no national data are present.

Aim: This cross-sectional observational survey aimed to assess the oral health status of schoolchildren in Buenos Aires (CABA) using CTNI and to evaluate the ecological association between health inequalities and caries prevalence.

Design: Data were collected, via a clustered procedure, during the 2016-2018 school years.

Structure of the RNA-dependent RNA polymerase P2 from the cystovirus φ8.

The replication of RNA viruses relies on the activity of RNA-dependent RNA polymerases (RdRps). Despite large variations in their genomic sequences, viral RdRps share a common architecture generally known as a closed right hand. The P2 polymerase of cystovirus φ6 is currently among the best characterized viral RdRps.

Structural connectivity modifications following deep brain stimulation of the subcallosal cingulate and nucleus accumbens in severe anorexia nervosa.

Purpose: Anorexia nervosa (AN) is a mental health disorder characterized by significant weight loss and associated medical and psychological comorbidities. Conventional treatments for severe AN have shown limited effectiveness, leading to the exploration of novel interventional strategies, including deep brain stimulation (DBS). However, the neural mechanisms driving DBS interventions, particularly in psychiatric conditions, remain uncertain.

In Situ Synthesis of CuO Nanoparticles Using Extract to Remove a Dye via Advanced Oxidation.

Water pollution, particularly from organic contaminants like dyes, is a pressing issue, prompting exploration into advanced oxidation processes (AOPs) as potential solutions. This study focuses on synthesizing CuO on cellulose-based fabric using Eucalyptus globulus leaf extracts. The resulting catalysts effectively degraded methylene blue through photocatalysis under LED visible light and heterogeneous Fenton-like reactions with HO, demonstrating reusability.

Cleavage of an engulfment peptidoglycan hydrolase by a sporulation signature protease in Clostridioides difficile.

In the model organism Bacillus subtilis, a signaling protease produced in the forespore, SpoIVB, is essential for the activation of the sigma factor σ, which is produced in the mother cell as an inactive pro-protein, pro-σ. SpoIVB has a second function essential to sporulation, most likely during cortex synthesis. The cortex is composed of peptidoglycan (PG) and is essential for the spore's heat resistance and dormancy.

Impact of specialized training for emergency department nurses screening or undetected HIV infection: the "Urgències VIHgila" project experience.

Objectives: To evaluate the impact of specialized training for nurses on selective screening for undetected HIV infection in the emergency department.

Material And Methods: The intervention group was comprised of 6 emergency departments that had been participating in a screening program (the "Urgències VIHgila" project) for at least 3 months. Nurses on all shifts attended training sessions that emphasized understanding the circumstances that should lead to suspicion of unidentified HIV infection and the need to order serology.

Effectiveness of different toothbrushing patterns among schoolchildren in an urban area of Argentina.

Aim: To identify toothbrushing patterns among schoolchildren with no prior dental hygiene training and associate them with effectiveness for eliminating dental biofilm.

Materials And Methods: Eight calibrated dentists assessed dental biofilm, toothbrushing procedure and dental status and registered: grip, bristle angle with respect to tooth, type of movement, surfaces brushed, simultaneous brushing of both jaws, including all six sextants and duration of brushing dental biofilm before and after brushing was determined in 944 children. Frequency distribution was calculated for nominal variables and central tendency and dispersion for quantitative variables of the toothbrushing procedure.

Problematization methodology's impact on nursing and medical students' knowledge about hypodermoclysis: quasi-experimental study.

Objective: to analyze the problematization methodology impact on the knowledge of nursing and medical students about hypodermoclysis.

Method: quasi-experimental study conducted with 22 undergraduate nursing and medical students from a public Brazilian higher education institution. The students participated in the educational intervention using the problematization methodology based on the Arch of Maguerez.

Sources and profiles of toxins in shellfish from the south-central coast of Chile (36°‒ 43° S).

The study of marine toxins in shellfish is of the utmost importance to ensure people's food safety. Marine toxins in shellfish and microalgae in the water column off the south-central coast of Chile (36°‒43° S) were studied in a network of 64 stations over a 14-month period. The relative abundance of harmful species Alexandrium catenella, Alexandrium ostenfeldii, Protoceratium reticulatum, Dinophysis acuminata, Dinophysis acuta, Pseudo-nitzschia seriata group and P.

Effects of the toxic dinoflagellate Protoceratium reticulatum and its yessotoxins on the survival and feed ingestion of Argopecten purpuratus veliger larvae.

The effects of yessotoxins (YTXs) produced by the dinoflagellate Protoceratium reticulatum in the early stages of bivalves have not been studied in detail. The present study evaluates the effects of P. reticulatum and YTXs on the survival and feed ingestion of veliger larvae of Argopecten purpuratus.

An Alternative Technique for Topical Application of Acidulated Phosphate Fluoride (APF) Gel: A Two-Years Double-Blind Randomization Clinical Trial (RCT).

Dental caries is still a dramatic public health problem. The effectiveness of an alternative technique using acidulated phosphate fluoride (APF) gel pH 3.5 was evaluated and compared with conventional treatments in reducing dental caries incidence.

Small and patchy is enough: An example about how toxic HAB events can spread through low resting cyst loads.

The frequency of harmful algal blooms (HABs) has increased over the last two decades, a phenomenon enhanced by global climate change. However, the effects of climate change will not be distributed equally, and Chile has emerged as one important, vulnerable area. The Chilean Patagonian region (41‒56°S) hosts two marine ecoregions that support robust blue economies via wild fisheries, aquaculture, and tourism.

gDNA extraction from Candida albicans and Candida dubliniensis in subgingival samples in Argentina. Evaluation of different methods.

Unlabelled: The oral cavity constitutes a unique ecosystem with highly variable ecological niches that harbor a great variety of microorganisms, including yeasts. Molecular methods are currently considered the gold standard for identifying species, although they involve limitations associated with the disruption of yeast cell walls to release the genomic DNA (gDNA) for amplification.

Aim: The aim of this study was to compare the performance of different methods for extracting gDNA from Candida albicans and Candida dubliniensis, subsequently amplifying DNA by PCR.

Integrating factors associated with complex wound healing into a mobile application: Findings from a cohort study.

Complex, chronic or hard-to-heal wounds are a prevalent health problem worldwide, with significant physical, psychological and social consequences. This study aims to identify factors associated with the healing process of these wounds and develop a mobile application for wound care that incorporates these factors. A prospective multicentre cohort study was conducted in nine health units in Portugal, involving data collection through a mobile application by nurses from April to October 2022.

Hyposalivation and periodontal disease as oral non-articular characteristics in rheumatoid arthritis.

Objective: To investigate the association among rheumatoid arthritis (RA), saliva production, and periodontal status.

Methods: An observational study was carried out on 103 subjects with RA and 103 without RA matched by sex and age. Rheumatologic evaluation included serological and clinical variables.

An intact S-layer is advantageous to Clostridioides difficile within the host.

Clostridioides difficile is responsible for substantial morbidity and mortality in antibiotically-treated, hospitalised, elderly patients, in which toxin production correlates with diarrhoeal disease. While the function of these toxins has been studied in detail, the contribution of other factors, including the paracrystalline surface layer (S-layer), to disease is less well understood. Here, we highlight the essentiality of the S-layer in vivo by reporting the recovery of S-layer variants, following infection with the S-layer-null strain, FM2.

Baseline Severity and Inflammation Would Influence the Effect of Simvastatin on Clinical Outcomes in Cirrhosis Patients.

Background: Simvastatin administration to decompensated cirrhosis patients improved Child-Pugh (CP) at the end of a safety trial (EST).

Aim: To evaluate whether simvastatin reduces cirrhosis severity through a secondary analysis of the safety trial.

Methods: Thirty patients CP class (CPc) CPc A (n = 6), CPc B (n = 22), and CPc C (n = 2) received simvastatin for one year.

Learning from Health Professionals: A User-Centred Approach to Design a Wound Monitoring Platform.

Health professionals are able to improve the care quality of chronic wounds by monitoring and reporting the wound status. Resorting to visual representations of wound status enhances comprehension by facilitating knowledge transfer to all stakeholders. However, selecting appropriate healthcare data visualisations is a critical challenge and healthcare platforms must be designed to meet their users' needs and constraints.

HTLV-1 uveitis in Colombia, an underrecognized complication of a hitherto neglected condition: a case series.

Three Colombian patients with chronic HTLV-1 infection and severe intermediate and/or posterior uveitis are described. In one case, retinal ablation was necessary due to extensive peripheral degeneration, while the other two were successfully managed with local anti-inflammatory therapy. Gradual resolution of ocular findings was observed in all three patients on follow-up.

Detection of and and Their Association with Oral Microbiome Stressors in 6-18-month-old Infants.

Aim: To determine the presence of and and their association with extrinsic and intrinsic variables in 6-18-month-old infants.

Methods: This was an analytical, cross-sectional study of 65 6-18-month-old infants who visited the Centers for Early Childhood in Buenos Aires City. Three groups were established according to the presence of teeth-group I (GI)-edentulous infants, group II (GII)-infants with 1-8 teeth, and group III (GIII)-infants with 9-16 teeth.

Is self-perception of oral health associated with expectations of employability?

The aim of this study was to develop and validate a questionnaire that allows a systematic evaluation of the impact of self-perceived oral health on expectations of getting a job on adult population seeking dental care, and to describe its associations with demographic characteristics, job related, and health coverage variables. We designed a descriptive cross-sectional study including men and women aged 18 to 65 years from a population seeking dental services in a walk-in clinic. In a first stage we design and validated an instrument on a sample of 100 subjects.

Learning strategies of dental students in Buenos Aires, Argentina prior to and during the COVID-19 pandemic.

Unlabelled: Various theories have endeavored to explain how knowledge is accessed. Students, in order to learn, need a good repertoire of appropriate metacognitive and self-regulating strategies and knowledge, which they use consciously or unconsciously. Teachers, in addition to knowing how to teach, need to be aware of students' learning strategies, metacognition, and self-regulation, and of the impact of changes associated with recent pandemic scenarios.