The Impact of Linguistic Styles on Message Delivery in Encouraging the Use of Leftover Bags for Food Waste Reduction

Plate leftovers are a major cause of food waste in restaurants. To reduce food waste, many restaurants encourage customers to use “doggy bags” to take away their plate leftovers. However, the efficiency of adopting such leftover bags is still questionable as some customers may feel embarrassed to use leftover bags. Hence, the current research aims to explore how to leverage different linguistic styles (figurative vs. literal language) to encourage the usage of leftover bags for food waste reduction purposes. Furthermore, this research will investigate the linguistic style efficiency in various restaurant dining contexts across two empirical studies. Study 1 will examine customers’ responses to different linguistic style messages when they make orders either with or without the restaurant server around (server taking the order vs. customer ordering by using the table tablet). Study 2 will examine whether there are any differences in terms of linguistic impacts on food waste reduction when customers are with or without other customers around (solo diners vs. group diners)

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Effect of natural antioxidants on the aggregation and disaggregation of beta-amyloid

Purpose: To examine the relationship between higher antioxidant activity and aggregation or disaggregation of beta-amyloid (Aβ) for 21 plants.Methods: Twenty-nine natural plant extracts and their antioxidant activities were analyzed using DPPH assay. The aggregation and disaggregation of Aβ were analyzed using Thioflavin-T assay.Results: Eleven plant extracts exhibited high antioxidant activities with the half-maximal inhibitory concentration (IC50) values < 20.0 μg/mL. Furthermore, the plant extracts efficiently inhibited Aβ aggregation with a mean IC50 value of 17.0 μg/mL. However, four plant extracts exhibiting low antioxidant activities (IC50 > 80.0 μg/mL) inhibited Aβ aggregation less efficiently with a mean IC50 value of 75.7 μg/mL. Furthermore, plant extracts with high antioxidant activities were not invariably efficient for disaggregating pre-formed Aβ aggregates.Conclusion: High antioxidant activities were positively correlated with the inhibition of Aβ aggregation, although not with the disaggregation of pre-formed Aβ aggregates. Nevertheless, potent antioxidants may be helpful in treating Alzheimer’s disease.Keywords: Alzheimer’s disease, β-Amyloid, Aggregation, Disaggregation, Antioxidant

Outcomes of Palivizumab Prophylaxis for Respiratory Syncytial Virus Infection in Preterm Children with Bronchopulmonary Dysplasia at a Single Hospital in Korea from 2005 to 2009

This study was performed to evaluate the utilization and outcomes of palivizumab in high risk children born prematurely with chronic lung disease (CLD). A retrospective review of 128 patients was conducted from September 2004 to March 2009 at the Ajou University Hospital. All patients were diagnosed with CLD, were born at ≤35 weeks of gestation, were <2 yr old at the onset of respiratory syncytial virus (RSV) season, and had received medical therapy within six months prior to the RSV season. Fifty-three patients did not receive palivizumab prophylaxis and 75 patients received at least one dose of palivizumab. There were no statistically significant differences between the patients with and without palivizumab prophylaxis with regard to demographic characteristics and risk factors for RSV infection. There were no systemic adverse responses. Compliance with the course of prophylaxis was 92.2%. Hospitalization associated with RSV occurred in 12 cases (22.6%) in the group without prophylaxis and in three cases (4.0%) with prophylaxis. Palivizumab prophylaxis significantly reduced the frequency of RSV-related hospitalization in preterm children with CLD. This is the first retrospective review of palivizumab prophylaxis in Korea. Palivizumab is effective and well tolerated in high risk prematurely born children