Publications by authors named "Coelho J"

Background: The population is aging rapidly worldwide, impacting public health, with countries in the Global South, such as Brazil, aging faster than developed nations. The 24-hour movement behavior is crucial for healthy aging, but its relationship with the neighborhood built environment is underresearched, especially for older adults. The EpiMove Study uses accelerometers and GPS to investigate the relationships between 24-hour movement behavior, community mobility and the neighborhood built environment for healthy aging in older Brazilian adults.

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  • * AC electrolysis can be adjusted to enhance the specificity of reactions, reduce unwanted side reactions, and improve both product selectivity and reagent efficiency.
  • * The text also addresses challenges with AC electrolysis and includes a summary of recent advancements in electro-organic synthesis utilizing this technique, with a focus on future potential in polymer synthesis.
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  • Fluorescent molecules are essential in biomedicine for visualizing biological processes with high sensitivity and specificity, but customizing them for live cell imaging is challenging due to complex structural and photophysical interactions.
  • This study used multivariate linear free-energy relationships (mLFER) to optimize a new platform of fluorescent dyes called BASHY, which are derived from boronic acid and salicylidenehydrazone.
  • The research resulted in a predictive model for a novel BASHY dye, which demonstrated effective stability in live cell experiments and was tested successfully in zebrafish larvae.
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Sleep medicine and internal medicine share a global and transdisciplinary vision of human physiology and illnesses, with an approach guided by the complaint and semiology. In France, approximately 13 to 18 million individuals suffer from a sleep disorder: these disorders therefore represent a public health problem. Their comorbidities with systemic autoimmune diseases are frequent.

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Acute disseminated encephalomyelitis (ADEM) is a rare autoimmune demyelinating disorder of the central nervous system that can mimic other neurological diseases, such as multiple sclerosis. ADEM is thought to manifest in the presence of environmental triggers, namely viral or bacterial infections, with multiple simultaneous neurological deficits, frequently accompanied by encephalopathy. Here, we report the case of a 49-year-old female patient who presented in the emergency department with encephalopathy, right-side muscle weakness, dizziness, vertigo, ataxia, and postural imbalance, preceded by symptoms suggesting recent pharyngitis/sialadenitis three weeks prior.

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Cephalopods play a major role in marine food webs as both predators and prey. Although most of the Hg in cephalopods is present in the muscle, most studies on its accumulation by predators are based on concentrations in beaks. Here, using upper and lower beaks and buccal masses of Moroteuthopsis longimana, we evaluated the relationship between Hg concentrations in different cephalopod tissues.

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Melanoma is the most aggressive type of skin cancer and recently approved drugs are often associated with resistance and significant adverse effects. Therefore, the design of more effective and safe options remains imperative. Photothermal therapy (PTT) using gold nanoparticles (AuNPs) presents a promising and innovative approach.

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Objectives: In England, group B streptococci (GBS; Streptococcus agalactiae) are considered universally susceptible to penicillin. Reports from Africa, Asia, North America and a few European countries have described GBS isolates with penicillin MICs above the epidemiological cut-off (0.125 mg/L).

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Infection is one of the major issues associated with the failure of orthopedic devices, mainly due to implant bacterial colonization, biofilm formation, and associated antibiotic resistance. Antimicrobial peptides (AMP) are a promising alternative to conventional antibiotics given their broad-spectrum of activity, low propensity to induce bacterial resistance, and ability to modulate host immune responses. Dhvar5 (LLLFLLKKRKKRKY) and MSI78 (GIGKFLKKAKKFGKAFVKILKK) are two AMP with broad-spectrum activity against bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), one of the most problematic etiologic agents in Orthopedic Devices-Related Infections (ODRI).

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  • Walking is important for the health of knee articular cartilage, but traditional MRI methods don't effectively detect early changes in cartilage composition due to exercise.
  • This study involved seven healthy volunteers, who had MRI scans of their knees before and after a 9-minute treadmill walk, to assess whether a quantitative T2 mapping technique could identify changes in cartilage related to water content.
  • The results showed that walking significantly increased T2 values in the knee cartilage, indicating changes in hydration that could be used for early detection of cartilage issues, particularly useful for at-risk patients.
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The urgent need for new antimicrobial compounds has led scientists to explore antimicrobial peptides (AMPs) and antimicrobial polymers as solutions for multidrug resistance. In this study, we synthesized copolymers with cationic and hydrophobic moieties by free-radical polymerization (FRP) using a chain transfer agent to control molecular weights. The potential of natural products as part of the hydrophobic moiety was evaluated, along with variations in their monomer content (13-25%) and the molecular weight (MW) of the copolymer (5000-20,000 g·mol).

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Basal cell carcinoma (BCC) is the most common type of skin carcinoma worldwide. BCC development is the result of a complex interaction between environmental, phenotypic, and genetic factors. While conventional treatments such as surgery and topical therapies have demonstrated variable efficacy (some of them with limited efficacy), they are not free of adverse side effects, most of them debilitating.

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Gel polymer electrolytes (GPEs) are regarded as a promising alternative to conventional electrolytes, combining the advantages of solid and liquid electrolytes. Leveraging the abundance and eco-friendliness of cellulose-based materials, GPEs were produced using methyl cellulose and incorporating various doping agents, either an ionic liquid (1-Butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide [Pyr14][TFSI]), its polymeric ionic liquid analogue (Poly(diallyldimethylammonium bis(trifluoromethylsulfonyl)imide) [PDADMA][TFSI]), or an anionically charged backbone polymeric ionic liquid (lithium poly[(4-styrenesulfonyl)(trifluoromethyl(S-trifluoromethylsulfonylimino) sulfonyl) imide] LiP[STFSI]). The ion dynamics and molecular interactions within the GPEs were thoroughly analyzed using Attenuated Total Reflectance Fourier-Transform Infrared Spectroscopy (ATR-FTIR), Heteronuclear Overhauser Enhancement Spectroscopy (HOESY), and Pulsed-Field Gradient Nuclear Magnetic Resonance Diffusion (PFG-NMR).

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Nuclear positioning is a crucial aspect of cell and developmental biology. One example is the apical movement of nuclei in neuroepithelia before mitosis, which is essential for proper tissue formation. While the cytoskeletal mechanisms that drive nuclei to the apical side have been explored, the influence of nuclear properties on apical nuclear migration is less understood.

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Background: The incidence of biliary duct injuries remains higher in laparoscopic cholecystectomy (LC) in comparison to open surgery. The Critical View of Safety (CVS) was introduced by Strasberg as a strategy for reducing this catastrophic complication. AIM: The aim of this study was to evaluate how often an adequate CVS is achieved during LC, the determining factors for its success, and the associated surgical outcomes.

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The therapeutic relationship plays a crucial role in nursing care for people with mental illness. Adopting a systemic and person-centred approach that considers the individual experiences and needs of the person is paramount. However, no instruments were found in the literature designed to evaluate the nurse-patient therapeutic relationship from the perspective of a person with mental illness.

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  • The study aimed to identify factors predicting ongoing driving risks related to sleepiness in patients with obstructive sleep apnea (OSA) undergoing continuous positive airway pressure (CPAP) treatment.
  • Researchers analyzed data from over 5,300 patients, assessing incidents of near-misses and accidents before and after at least 90 days of CPAP therapy.
  • Findings revealed that ongoing sleepiness while driving and poor treatment adherence (less than 4 hours per night) significantly increased the likelihood of near-misses and accidents, highlighting the need for thorough follow-ups by health professionals.
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Superficial cancers typically refer to cancers confined to the surface layers of tissue. Low-targeting therapies or side effects prompt exploration of novel therapeutic approaches. Gold nanoparticles (AuNPs), due to their unique optical properties, serve as effective photosensitizers, enabling tumor ablation through photothermal therapy (PTT).

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Sparteine is widely used as a chiral ligand in asymmetric synthesis, but methods for providing efficient access to functionalized sparteine derivatives are still limited. Herein, we describe an electrochemical α-cyanation of sparteine-type bis-quinolizidine alkaloids. This method features commercially available setups for batch and single-pass continuous flow conditions, enabling easy gram scale synthesis of valuable racemic and enantiopure products.

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Background: Incisional hernia (IH) is an abdominal wall defect due to a previous laparotomy, and surgical repair is the only treatment. IH has a negative impact on patients' quality of life. In the last decades, the approach has improved from open to laparoscopic and robotic surgery with the objective of promoting better abdominal wall function after reconstruction.

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Sangre de drago, the sap of Müll. Arg. tree, has been used for centuries in traditional medicine owing to its diverse biological activities.

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Prostate cancer (PCa) is a high prevalence disease, per 10000 habitants, that tends to increase with age. This pathology is difficult to detect at an early stage due to the absence of symptoms, hence the importance of monitoring signs for early detection. This disease can be detected by various methods, including plasmatic levels of prostate-specific antigen (PSA) and rectal touch, with biopsy being necessary to confirm the diagnosis.

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  • Streptococcus mitis is a major contributor to infective endocarditis (IE), but its genetics and disease-causing abilities are not well understood due to the disease's rarity.
  • Researchers conducted whole genome sequencing on 129 S. mitis samples from UK bloodstream infections over 15 years, finding a high level of genetic diversity among isolates without a single dominant lineage.
  • The study identified a variable presence of virulence genes, suggesting that S. mitis acts as an accidental pathogen in IE cases rather than being driven by specific resistant or aggressive strains.
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