Publications by authors named "Molina A"

In this study, a novel natural food colorant based on anthocyanins was developed from wild barberry ( L.) fruits using ultrasound-assisted extraction, which was optimized through RSM. Four extraction variables (ultrasound power, time, S/L ratio, and extraction solvent pH) were evaluated in combination.

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Objectives: The COVID-19 pandemic caused unprecedented restrictions, leading to differences in the frequency and patterns of alcohol consumption, especially among young adults. This systematic review aims to investigate the overall evidence concerning changes in alcohol consumption in this period.

Study Design: Systematic review.

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Electrochemistry in confined environments, that is, involving experimental configurations with spatial restrictions that affect the overall mass transport, is becoming a very attractive way of carrying out electroanalytical measurements for sensing, especially for the so-called thin-layer (TL) configuration, which ideally allows the complete conversion of the analytes under study in small volumes and short times. To improve the understanding of this kind of situation, general expressions for the current-potential-time and charge-potential-time responses of charge transfer processes taking place under finite diffusion conditions with two different configurations (no mass renovation, bounded diffusion; and effective mass renovation, unbounded diffusion) are discussed in this work. By using these expressions, it is possible to establish accurate limits for the attainment of TL conditions and to conclude that for bounded conditions, the charge is a more adequate quantity for electroanalytical purposes.

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The objectives were to analyze the association between the cognitive performance of older adults/caregivers, adherence to a telehealth program and investigate reasons for dropouts, retention and adherence. A mixed-methods study was conducted involving 41 older adults diagnosed with dementia who participated in a 12-week telehealth program that offered physical exercises for the older adults and psychoeducation for the caregivers. Cognitive performance, adherence rates, benefits and reasons for withdrawal, retention and adherence were determined with the aid of questionnaires, field records, and focus groups.

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This paper explores the integration of haptic gloves and virtual reality (VR) environments to enhance industrial training and operational efficiency within the framework of Industry 4.0 and Industry 5.0.

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Analyzing genetic variability and inbreeding trends is essential for effective breed management in animal populations. To this, the characterization of runs of homozygosity (ROH) provides a good genomic approach to study the phenomena. The Polo Argentino (PA) breed, globally recognized as the best adapted to playing polo, is known for its strong influence of Thoroughbreds, intense selective breeding, and extensive use of reproductive biotechnologies.

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The Spanish Merino is the most significant sheep breed globally due to its economic and cultural importance in human history. It has also had a substantial influence on the development of other Merino and Merino-derived breeds. Historical sources indicate that crossbreeding to produce finer, higher-quality wool was already taking place in the south of the Iberian Peninsula during the Roman era.

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Previous studies have demonstrated that many healthcare workers in low- and middle-income countries (LMICs) lack the appropriate training and knowledge to recognize and diagnose breast cancer at an early stage. As a result, women in LMICs are frequently diagnosed with late-stage breast cancer (Stage III/IV) with a poor prognosis. We hosted a 1-day breast cancer educational conference directed towards healthcare workers in Honduras.

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In sun-drenched regions, balancing solar exposure for thermal comfort and minimization of cooling energy presents a key challenge. While passive shading mitigates summer heat gain, it also hinders winter solar benefits, a problem that is echoed by active systems such as photovoltaic panels. Existing adaptive solutions, adjusting to seasonal sun angles, offer flexibility, but introduce complexity, maintenance demands, and potentially higher costs.

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Study Objective: This study aims to evaluate a liberal postoperative voiding policy after minimally invasive hysterectomies to assess the impact of length of stay in the postoperative care unit (PACU).

Design: This is a retrospective interrupted time series study. Patients were identified 3 months before and after the policy change, and a chart review was conducted of medical records.

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Background: Thallium-201 single-photon emission computed tomography (TI-SPECT) imaging has been used historically to distinguish malignant cerebral neoplasms from infectious etiologies.

Objectives: Our study aims to conduct a retrospective study, review existing literature, and perform meta-analysis on the use of TI-SPECT to differentiate malignant from non-malignant nervous system lesions when other advanced imaging modalities are not available, such as in resource-limited setting.

Methods: A retrospective study on the use of TI-SPECT in differentiating malignant versus non-malignant nervous system lesions was conducted in two tertiary hospitals in the Philippines.

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The purpose of this study is to characterize the ocular surface microbiota of patients with an anophthalmic cavity. An eNAT with 1 mL of Liquid Amies Medium was used to collect samples. Microbial DNA from anophthalmic socket and healthy fellow control eye samples was isolated and sequenced.

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Background/objectives: Understanding the genetic architecture of autochthonous European cattle breeds is important for developing effective conservation strategies and sustainable breeding programs. Spanish beef cattle, which trace their origins to ancient migrations from the Near East with later admixture from African populations, exhibit a rich genetic diversity shaped by environmental adaptation and selective breeding. Runs of Homozygosity (ROH) are extended stretches of identical genetic material inherited from both parents.

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Article Synopsis
  • * Between 2004 and 2022, MRI awarded scholarships to 405 individuals, and those who received funding had significantly lower dropout rates compared to national averages: 0% for graduate students and 2.2% for medical students.
  • * The initiative also showed that awardees were more likely to stay in the hematology-oncology field than national minority averages, with 14.4% of medical students and 88.5% of early-career
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Mateo is a 2-week-old male who presented for evaluation of neonatal fever and whose parents speak Spanish. Workup revealed pyelonephritis, underlying renal anomalies, and vesicoureteral reflux. A complex interplay of individual and contextual factors contributed to Mateo not receiving prophylactic antibiotics, which ultimately led to a potentially preventable subsequent admission for sepsis secondary to Escherichia coli pyelonephritis with bacteremia.

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  • - Antibodies are generated by naive B cells turning into plasma cells in germinal centers (GCs) of lymphoid tissues, and patients with B cell lymphoma undergoing immunotherapy have reduced antibody production, leading to higher infection rates and weaker vaccine responses.
  • - Current research models struggle to effectively mimic long-term GC functions and assess B cell responses, prompting the development of synthetic hydrogels that replicate the lymphoid tissue environment to support human GCs from various blood sources.
  • - The new immune organoid systems maintain critical B cell functions longer and offer unique immune programming features; however, they show less effectiveness with lymphoma-derived B cells, indicating a rapid method for studying immune responses and B cell-related disorders.
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  • The study aims to evaluate and improve structured postgraduate part-time programs in periodontology within the European Federation of Periodontology (EFP), focusing on peri-implant diseases and the impact of recent classification schemes and guidelines.
  • A survey and systematic review were conducted to assess current educational programs and identify gaps in knowledge regarding prevention and management of peri-implant diseases among dental professionals.
  • The results revealed established programs in nine EFP countries and proposed a three-level framework (certificate, diploma, master) to enhance vocational education and harmonize training across nations.
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Greater perceived physical fatigability and lower skeletal muscle energetics are both predictors of mobility decline. Characterizing associations between muscle energetics and perceived fatigability may provide insight into potential targets to prevent mobility decline. We examined associations of in vivo (maximal ATP production, ATPmax) and ex vivo (maximal carbohydrate supported oxidative phosphorylation [max OXPHOS] and maximal fatty acid supported OXPHOS [max FAO OXPHOS]) measures of mitochondrial energetics with two measures of perceived physical fatigability, Pittsburgh Fatigability Scale (PFS, 0-50, higher = greater) and Rating of Perceived Exertion (RPE Fatigability, 6-20, higher = greater) after a slow treadmill walk.

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Aims: Implementing maternal depression screening in child-serving programs can help ensure that more mothers receive mental health services. This study examined the implementation of universal maternal depression screening in community-based Head Start programs.

Methods: Quantitative and qualitative data were merged in a convergent mixed method design to assess four domains from the RE-AIM implementation science framework (Reach, Adoption, Implementation, and Maintenance).

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A sensor for uric acid (UA) based on the urate oxidase enzyme (UOx) immobilized in novel Co-based aerogels with transition metals synthesized by the sol-gel method was developed and evaluated. The Co-based aerogels: Co, Ni-Co and Pd-Co were physicochemically characterized by XRD and HR-TEM. The surface area values of 53, 57 and 66 m g-1 were determined for Co, Ni-Co and Pd-Co, respectively by N adsorption-desorption technique.

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Article Synopsis
  • Advanced urothelial cancer displays significant genetic diversity and involves complex interactions between internal and external mutagens, which contributes to its deadly nature.
  • The study revealed that APOBEC3-induced mutations occur early during tumor development, while chemotherapy leads to a surge of later mutations, with both processes affecting the structure of extrachromosomal DNA.
  • Findings emphasized the role of circular ecDNA in the development of treatment resistance, specifically through CCND1 amplifications, highlighting key mechanisms that can inform future cancer therapies.
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  • Plant cell walls serve as crucial barriers for pathogens trying to infect the host, and certain pathogens produce enzymes to break down these walls.
  • The breakdown of cell wall polysaccharides results in glycan molecules, which trigger the plant’s immune response through pattern recognition receptors.
  • These released glycans are not only a nutrient source for pathogens but also play a role in guiding them and affecting gene expression in both plants and microorganisms, shaping the outcome of their interactions.
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