Flora brio-pteridofítica de los bosques lauroides de "Rhododendron ponticum" l. del Parque Natural de los Alcornocales, Cádiz-Málaga, España

Flora brio-pteridofítica de los bosques lauroides de Rhododendron ponticum L. del Parque Natural de los Alcornocales (Cádiz-Málaga, España). Se ha estudiado parte de la diversidad brio-pteridofítica en el Parque Natural de los Alcornocales (Cádiz-Málaga; Sur de España). Nos hemos centrado en las comunidades caracterizadas por la presencia de Rhododendron ponticum, uno de los hábitats más representativos del Parque por su originalidad. Para ello hemos muestreado 23 localidades repartidas por todo el Parque y que varían por sus características climáticas. Se han identificado 171 especies de las que 111 son musgos, 2 antocerotas, 42 hepáticas y 17 helechos. Para cada una de las localidades (canutos) se aporta su diversidad total y las especies más representativas y exclusivas. Pretendemos contribuir con ello a una correcta identificación de zonas susceptibles de ser tenidas en cuenta para futuros planes de zonificación y conservación de este tipo de comunidades, únicas y frecuentemente olvidadas en los planteamientos conservacionistas a nivel regional y nacional

Descriptive analysis of dietary (poly)phenol intake in the subcohort MAX from DCH-NG: "Diet, Cancer and Health-Next Generations cohort"

Purpose (Poly)phenols are bioactive compounds widely distributed in plant-based foods. Currently, limited data exist on the intake distribution of (poly)phenols across meals. This study aimed to estimate dietary intakes of all individual (poly)phenols and total intake per class and subclass by meal event, and to identify their main food sources in the subcohort MAX from the Diet, Cancer and Health-Next Generations cohort (DCH-NG). Methods Dietary data were collected using three web-based 24-h dietary recalls over 1 year. In total, 676 participants completed at least one recall. The dietary data were linked to Phenol-Explorer database using standardized procedures and an in-house software. We categorized foods/drinks into five options of meal events selected by the participant: \u27Breakfast\u27, \u27Lunch\u27, \u27Evening\u27, \u27Snack\u27, and \u27Drink\u27. Results Adjusted total (poly)phenols mean intake by meal was the highest in the drink event (563 mg/day in men and 423 mg/day in women) and the lowest in the evening event (146 mg/day in men and 137 mg/day in women). The main overall (poly)phenol class contributor was phenolic acids (55.7-79.0%), except for evening and snack events where it was flavonoids (45.5-60%). The most consumed (poly)phenol subclasses were hydroxycinnamic acids and proanthocyanidins. Nonalcoholic beverages (coffee accounted for 66.4%), cocoa products, and cereals were the main food sources of total (poly)phenols. Conclusion This study provides data on the variability in the intake of classes and subclasses of (poly)phenols and their main food sources by meal event according to lifestyle data, age, and gender in a Danish population

Comparison of flavonoid intake assessment methods using USDA and phenol explorer databases: Subcohort diet, cancer and health-next generations—MAX study

Flavonoids are bioactive plant compounds that are widely present in the human diet. Estimating flavonoid intake with a high degree of certainty is challenging due to the inherent limitations of dietary questionnaires and food composition databases. This study aimed to evaluate the degree of reliability among flavonoid intakes estimated using four different approaches based on the two most comprehensive flavonoid databases, namely, United States Department of Agriculture (USDA) and Phenol Explorer (PE). In 678 individuals from the MAX study, a subcohort of the Diet, Cancer and Health-Next Generations cohort, dietary data were collected using three 24-h diet recalls over 1 year. Estimates of flavonoid intake were compared using flavonoid food content from PE as (1) aglycones (chromatography with hydrolysis), (2) aglycones transformed (converted from glycosides by chromatography without hydrolysis), (3) as they are in nature (glycosides, aglycones, and esters), and 4) using flavonoid content from USDA as aglycones (converted). Spearman\u27s intra-class correlation (ICC) coefficient and weighted kappa (K) coefficient were calculated for the reliability analysis. When comparing PE total aglycones to USDA total aglycones, there was a moderate reliability when a continuous variable was used [ICC: 0.73, 95% confidence interval (CI): 0.70–0.76] and an excellent reliability when flavonoid intake was modeled as a categorical variable (K: 0.89, 95% CI: 0.88–0.90). The degree of reliability among all methods of estimated flavonoid intakes was very similar, especially between database pairs, for the flavanol subclass, while larger differences were observed for flavone, flavonol, and isoflavone subclasses. Our findings indicate that caution should be taken when comparing the results of the associations between flavonoid intakes and health outcomes from studies, when flavonoid intakes were estimated using different methods, particularly for some subclasses

CROSSWORKS: GAUDI

[ES] El proyecto de innovación docente Crossworks se entiende como un crisol de trabajo donde se reunen todas las asignaturas del primer curso de Grado en Architecture, en un intento de provocar relaciones transversales entre ellas que mejore el rendimiento del alumno en las ciencias básicas y le otorgue una visión integradora y global de la arquitectura. El proyecto se ha estructurado en varias fases, una en aula, después la visita “in situ” al edificio objeto de análisis, y posteriormente la realización de talleres con una temática común pero trabajados desde asignaturas aparentemente distantes como Matemáticas e Historia del Arte, o Física y Dibujo Arquitectónico. Los resultados han sido altamente esperanzadores, no solo en el rendimiento académico de los alumnos, sino en la cohesión del grupo y la integración de las distintas culturas participantes.Diaz, A.; Verdejo, P.; Ros, A.; Hilario, L.; Giménez, A.; Ferrer, T. (2019). CROSSWORKS: GAUDI. En INNODOCT/18. International Conference on Innovation, Documentation and Education. Editorial Universitat Politècnica de València. 423-432. https://doi.org/10.4995/INN2018.2018.8788OCS42343

The BIDIAP index: a clinical, analytical and ultrasonographic score for the diagnosis of acute appendicitis in children

Background: Pediatric acute appendicitis (PAA) continues to be a diagnostic challenge today. The diagnostic performance of classical indices is only moderate, especially in pediatric population. This study aimed to define a clinical, radiological and analytical index for the diagnosis of PAA. Materials and methods: This prospective study included 151 patients divided into two groups: (1) 53 patients with non-surgical abdominal pain (NSAP) and (2) 98 patients with a confirmed PAA. Sociodemographic and clinical characteristics were compared between groups using the Mann-Whitney U test and the Fisher exact test. To identify the predictors of PAA, we performed a multivariable logistic regression using a forward stepwise analysis and we assigned multiples of integer values to the selected variables. The diagnostic performance of the index was assessed by calculating the area under the receiver operating characteristic curve. Intra-cohort calibration was assessed with the Hosmer-Lemeshow test. Results: We developed the BIDIAP index (BIomarkers for the DIagnosis of Appendicitis in Pediatrics), which included three variables that independently predicted higher odds of PAA: appendiceal caliber (≥ 6.9 mm), systemic immune-inflammation index (≥ 890) and peritoneal irritation, which scored 4, 3 and 2 points, respectively. Mean (SD) score of the participants was 2.38 (2.06) in group 1 and 7.89 (1.50) in group 2. The area under the ROC was 0.97 (95% CI 0.95-0.99). The cut-off point was established at 4 points, resulting in a sensitivity of 98.98% and a specificity of 77.78%. Conclusions: The BIDIAP index has an exceptional diagnostic performance in PAA. The importance of these results lies in its novelty and in the simplicity of the index. Although external validation will be necessary, initial results look promising

Tailoring the dielectric and ferroelectric response of mixtures containing bent-core liquid crystals through light-irradiation and composition

Open access via the Elsevier Agreement IDC would like to thank the Universitat Politècnica de València (UPV), for the FPI grant (PAID-2019-SP20190013), the Generalitat Valenciana (GVA) and the European Social Fund (ESF), for the FPI grant (ACIF/2020/233) and the mobility grant (CIBEFP/2022/45). AMF would like to thank the Carnegie Trust for the Universities of Scotland, for the Research Incentive Grant RIG008586, the Royal Society and Specac Ltd., for the Research Grant RGS\R1\201397, the Royal Society of Chemistry for the award of a mobility grant (M19- 0000), the Scottish Government and the Royal Society of Edinburgh for the award of a SAPHIRE project, NHS Scotland for the 20/016 R&D Endowments Award, and the University of Aberdeen for the CF10801-10 and CF10723-44 pump priming grants. The authors from INMA greatly appreciate financial support from projects of the Spanish Government PID2021-122882NB-I00 [MCIU/AEI/FEDER, UE] and the Gobierno de Aragón/FEDER (research group E47_23R); and C.A-S for the FPI Fellowship PRE2019-090773. Thanks are given to the nuclear magnetic resonance, mass spectrometry, and thermal analysis services of CEQMA (Univ. Zaragoza-CSIC). BC is grateful to the National Science Foundation for supporting this work under grant no. CHE- 2306317. BC also thanks Illinois State University (ISU) for their financial support through university research grant (URG). Computational work is performed using resources from High Performance Computing (HPC) at Illinois State University.Peer reviewe

HPLC–Tandem Mass Spectrometric Method to Characterize Resveratrol Metabolism in Humans

AbstractBackground: Nutritional biomarkers are alternatives to traditional dietary assessment tools. We sought to develop a method for nutritional analysis of resveratrol, a phenolic compound with purported health-promoting properties, and to determine all resveratrol metabolites.Methods: We obtained LDL and urine samples from 11 healthy male volunteers who had consumed 250 mL of Merlot red wine. We measured resveratrol and its metabolites with 96-well solid-phase extraction plates coupled with HPLC-tandem mass spectrometry. Hexestrol was used as the internal standard. Gradient chromatography in multiple reaction monitoring mode was performed on a Luna C18 column, maintained at 40 °C; m/z transitions were as follows: resveratrol, 227/185; resveratrol glucosides, 389/227; resveratrol glucuronides, 403/227; resveratrol sulfates, 307/227; taxifolin, 303/285; and hexestrol, 269/134.Results: Standard calibration curves were linear at 4.4–3289.5 nmol/L. Residual analyses were 100% (3.2) for trans-resveratrol and 100% (11.1) for trans-piceid. In both matrices, imprecision (CV) was <10.8% at all concentrations. Detection limits for resveratrol were 0.2 nmol/L (LDL), 0.3 nmol/L (synthetic urine), and 4.0 nmol/L (blank urine). Resveratrol and metabolites were checked for stability, and no degradation was observed.Conclusions: The HPLC–tandem mass spectrometry method enabled us to identify resveratrol sulfates in human LDL and to characterize the complete profile of resveratrol metabolism in human LDL and urine. This method provides an accurate index of exposure to resveratrol and its metabolites, which can be used as nutritional biomarkers for evaluating the biological effects of moderate wine intake on human health

Retroauricular dermoid cyst associated with Gorlin syndrome. A case report

Background Gorlin syndrome is an autosomal dominant genodermatosis characterized by the early appearance of multiple basal cell carcinomas, odontogenic keratocysts and skeletal abnormalities. It is caused by mutations in the hedgehog signalling pathway, primarily in the tumour suppressor gene PTCH1 (9q22.1-q31). Case summary We present a 14-year-old girl who consulted for asymmetrical ears, in the context of multiple disorders such as mental retardation, snoring, non-specific coagulation abnormalities, retrognathia, pectus excavatum and scaphoid duplication. During the intervention, a retroauricular cystic tumour was found incidentally, reported by Pathology as a dermoid cyst. The syndrome is confirmed by a genetic study with the result of a new pathological variant in PTCH1. Conclusion We describe the coexistence of this entity with a dermoid cyst. Furthermore, it is exceptional in its retroauricular location and the pathological point mutation in the PTCH1 gene, consisting of the pCys56Gly variant

Dietary polyphenols, metabolic syndrome and cardiometabolic risk factors: An observational study based on the DCH-NG subcohort

Background and aims: Polyphenol-rich foods have beneficial properties that may lower cardiometabolic risk. We aimed to prospectively investigate the relationship between intakes of dietary polyphenols, and metabolic syndrome (MetS) and its components, in 676 Danish residents from the MAX study, a subcohort of the Danish Diet, Cancer and Health–Next Generations (DCH-NG) cohort. Methods and results: Dietary data were collected using web-based 24-h dietary recalls over one year (at baseline, and at 6 and 12 months). The Phenol-Explorer database was used to estimate dietary polyphenol intake. Clinical variables were also collected at the same time point. Generalized linear mixed models were used to investigate relationships between polyphenol intake and MetS. Participants had a mean age of 43.9y, a mean total polyphenol intake of 1368 mg/day, and 75 (11.6%) had MetS at baseline. Compared to individuals with MetS in Q1 and after adjusting for age, sex, lifestyle and dietary confounders, those in Q4 – for total polyphenols, flavonoids and phenolic acids–had a 50% [OR (95% CI): 0.50 (0.27, 0.91)], 51% [0.49 (0.26, 0.91)] and 45% [0.55 (0.30, 1.00)] lower odds of MetS, respectively. Higher total polyphenols, flavonoids and phenolic acids intakes as continuous variable were associated with lower risk for elevated systolic blood pressure (SBP) and low high-density lipoprotein cholesterol (HDL-c) (p < 0.05). Conclusions: Total polyphenol, flavonoid and phenolic acid intakes were associated with lower odds of MetS. These intakes were also consistently and significantly associated with a lower risk for higher SBP and lower HDL-c concentrations