Plants in Microgravity: Molecular and Technological Perspectives

Plants are vital components of our ecosystem for a balanced life here on Earth, as a source of both food and oxygen for survival. Recent space exploration has extended the field of plant biology, allowing for future studies on life support farming on distant planets. This exploration will utilize life support technologies for long-term human space flights and settlements. Such longer space missions will depend on the supply of clean air, food, and proper waste management. The ubiquitous force of gravity is known to impact plant growth and development. Despite this, we still have limited knowledge about how plants can sense and adapt to microgravity in space. Thus, the ability of plants to survive in microgravity in space settings becomes an intriguing topic to be investigated in detail. The new knowledge could be applied to provide food for astronaut missions to space and could also teach us more about how plants can adapt to unique environments. Here, we briefly review and discuss the current knowledge about plant gravity-sensing mechanisms and the experimental possibilities to research microgravity-effects on plants either on the Earth or in orbit

Evidence-based health interventions for the educational sector: Application and lessons learned from developing European food hygiene and safety teaching resources

Background: Foodborne illnesses have a significant global burden and can be life-threatening, but good food hygiene practice can prevent most. SafeConsume is an EU-funded, transdisciplinary project aiming to improve consumers’ food safety behaviour and reduce the burden of foodborne illness. Young people are at risk of foodborne illness and research indicates a lack of knowledge or concern about food hygiene. Educational settings provide an opportunity to influence behaviour; but for resources to be effective and implementable, they should be evidence-based and thoughtfully designed. Aim: To develop educational resources to teach food hygiene and food safety to school children aged 11–18 years old, through a user-based approach, specific to the educational setting. Methods: Development used a two-step process referred to as: the insight phase; and prototyping and refinement phase. This included using the findings of a needs assessment with students and educators based on the Theo-retical Domains Framework (TDF) presented in earlier publications (Eley et al., 2021; Syeda et al., 2021). A user-centred approach to development was then taken, employing an iterative process of idea generation, consultation with a multidisciplinary steering group, and user testing. Results: The insight phase identified students’ and educators’ deficiencies in knowledge and skills, and cultural and social influences on food safety behaviours. This phase, including Curriculum analysis informed student learning objectives and educator training topics. Following a round of development and consultation, a total of seven teaching resources were developed, with four educator training modules to improve knowledge and confidence of educators. Conclusions: Behavioural theory is a useful foundation for the development of school-based health interventions, which aim to positively influence students’ knowledge, behaviour, and attitudes. To support educators’ uptake, materials should be aligned to the national curriculum and should consider practical factors like time and environmental factors. By working closely with stakeholders at all stages of development, barriers to use, implementation and efficacy can be identified and mitigated.info:eu-repo/semantics/publishedVersio

Measurement of interlayer spin diffusion in the organic conductor kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]X, X = Cl, Br

In organic conductors the overlap integral between layers is small In-plane momentum scattering is rapid and transport perpendicular to the layers is expected to be blocked We present a high frequency conduction electron spin resonance (CESR) study in the layered organic metals kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]X, X = Cl Br which verifies that the inter-layer spin hopping is effectively blocked The method relies on resolving the CESR lines of adjacent layers in which the orientation of the g-factor tensors differs We find that at ambient pressure and in the metallic phase the electron spin diffusion is two dimensional in both the X = Cl and Br compounds i e electrons diffuse longer than the spin lifetime within a single molecular layer without inter-layer hopping Application of pressure at 250 K Increases rapidly the inter-layer hopping rate of spins (C) 2009 Elsevier B V All rights reserve

Nutrition Strategies Promoting Healthy Aging: From Improvement of Cardiovascular and Brain Health to Prevention of Age-Associated Diseases

Background: An increasing number of studies suggest that diet plays an important role in regulating aging processes and modulates the development of the most important age-related diseases. Objective: The aim of this review is to provide an overview of the relationship between nutrition and critical age-associated diseases. Methods: A literature review was conducted to survey recent pre-clinical and clinical findings related to the role of nutritional factors in modulation of fundamental cellular and molecular mechanisms of aging and their role in prevention of the genesis of the diseases of aging. Results: Studies show that the development of cardiovascular and cerebrovascular diseases, neurodegenerative diseases, cognitive impairment and dementia can be slowed down or prevented by certain diets with anti-aging action. The protective effects of diets, at least in part, may be mediated by their beneficial macro- (protein, fat, carbohydrate) and micronutrient (vitamins, minerals) composition. Conclusions: Certain diets, such as the Mediterranean diet, may play a significant role in healthy aging by preventing the onset of certain diseases and by improving the aging process itself. This latter can be strengthened by incorporating fasting elements into the diet. As dietary recommendations change with age, this should be taken into consideration as well, when developing a diet tailored to the needs of elderly individuals. Future and ongoing clinical studies on complex anti-aging dietary interventions translating the results of preclinical investigations are expected to lead to novel nutritional guidelines for older adults in the near future

The characteristics and prognostic role of acute abdominal on-admission pain in acute pancreatitis: A prospective cohort analysis of 1432 cases

Introduction Pain is the most common symptom in acute pancreatitis (AP) and is among the diagnostic criteria. Therefore, we aimed to characterize acute abdominal pain in AP. Methods The Hungarian Pancreatic Study Group prospectively collected multicentre clinical data on 1435 adult AP patients between 2012 and 2017. Pain was characterized by its intensity (mild or intense), duration prior to admission (hours), localization (nine regions of the abdomen) and type (sharp, dull or cramping). Results 97.3% of patients (n = 1394) had pain on admission. Of the initial population with acute abdominal pain, 727 patients answered questions about pain intensity, 1148 about pain type, 1134 about pain localization and 1202 about pain duration. Pain was mostly intense (70%, n = 511/727), characterized by cramping (61%, n = 705/1148), mostly starting less than 24 h prior to admission (56.7%, n = 682/1202). Interestingly, 50.9% of the patients (n = 577/1134) had atypical pain, which means pain other than epigastric or belt-like upper abdominal pain. We observed a higher proportion of peripancreatic fluid collection (19.5% vs. 11.0% ; p = 0.009) and oedematous pancreas (8.4% vs. 3.1% ; p = 0.016) with intense pain. Sharp pain was associated with AP severity (OR = 2.481 95% CI: 1.550-3.969) and increased mortality (OR = 2.263, 95% CI: 1.199-4.059) compared to other types. Longstanding pain (>72 h) on admission was not associated with outcomes. Pain characteristics showed little association with the patient's baseline characteristics. Conclusion A comprehensive patient interview should include questions about pain characteristics, including pain type. Patients with sharp and intense pain might need special monitoring and tailored pain management. Significance Acute abdominal pain is the leading presenting symptom in acute pancreatitis ; however, we currently lack specific guidelines for pain assessment and management. In our cohort analysis, intense and sharp pain on admission was associated with higher odds for severe AP and several systemic and local complications. Therefore, a comprehensive patient interview should include questions about pain characteristics and patients with intense and sharp pain might need closer monitoring