37 research outputs found

    Education for sustainable development (ESD): the turn away from ‘environment’ in environmental education?

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    This article explores the implications of the shift of environmental education (EE) towards education for sustainable development (ESD) in the context of environmental ethics. While plural perspectives on ESD are encouraged both by practitioners and researchers of EE, there is also a danger that such pluralism may sustain dominant political ideologies and consolidated corporate power that obscure environmental concerns. Encouraging plural interpretations of ESD may in fact lead ecologically ill-informed teachers and students acculturated by the dominant neo-liberal ideology to underprivilege ecocentric perspective. It is argued that ESD, with its focus on human welfare, equality, rights and fair distribution of resources is a radical departure from the aim of EE set out by the Belgrade Charter as well as a distinct turn towards anthropocentrically biased education. This article has two aims: to demonstrate the importance of environmental ethics for EE in general and ESD in particular and to argue in favour of a return to instrumentalism, based on the twinned assumptions that the environmental problems are severe and that education of ecologically minded students could help their resolution

    Controlling the contents of microdroplets by exploiting the permeability of pdms

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    Contains fulltext : 91668.pdf (publisher's version ) (Open Access)6 p

    Meta-Analysis of Efficacy of Interventions for Elevated Depressive Symptoms in Adults Diagnosed With Cancer

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    BACKGROUND: Cancer patients are at increased risk for depression compared with individuals with no cancer diagnosis, yet few interventions target depressed cancer patients. METHODS: Efficacy of psychotherapeutic and pharmacologic interventions for depression in cancer patients who met an entry threshold for depressive symptoms was examined by meta-analysis. Five electronic databases were systematically reviewed to identify randomized controlled trials meeting the selection criteria. Effect sizes were calculated using Hedges’ g and were pooled to compare pre- and postrandomization depressive symptoms with a random effects model. Subgroup analyses tested moderators of effect sizes, such as comparison of different intervention modalities, with a mixed effects model. All statistical tests were two-sided. RESULTS: Ten randomized controlled trials (six psychotherapeutic and four pharmacologic studies) met the selection criteria; 1362 participants with mixed cancer types and stages had been randomly assigned to treatment groups. One outlier trial was removed from analyses. The random effects model showed interventions to be superior to control conditions on reducing depressive symptoms postintervention (Hedges’ g = 0.43, 95% confidence interval = 0.30 to 0.56, P < .001). In the four psychotherapeutic trials with follow-up assessment, interventions were more effective than control conditions up to 12–18 months after patients were randomly assigned to treatment groups (P < .001). Although each approach was more effective than the control conditions in improving depressive symptoms (P < .001), subgroup analyses showed that cognitive behavioral therapy appeared more effective than problem-solving therapy (P = .01), but not more effective than pharmacologic intervention (P = .07). CONCLUSIONS: Our findings suggest that psychological and pharmacologic approaches can be targeted productively toward cancer patients with elevated depressive symptoms. Research is needed to maximize effectiveness, accessibility, and integration into clinical care of interventions for depressed cancer patients

    Identification of new quorum sensing autoinducer binding partners in Pseudomonas aeruginosa using photoaffinity probes

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    Many bacterial species, including the human pathogen Pseudomonas aeruginosa, employ a mechanism of intercellular communication known as quorum sensing (QS), which is mediated by signalling molecules termed autoinducers. The Pseudomonas Quinolone Signal (PQS) and 2-Heptyl-3H-4-Quinolone (HHQ) are autoinducers in P. aeruginosa, and they are considered important factors in the progress of infections by this clinically relevant organism. Herein, we report the development of HHQ and PQS photoaffinity-based probes for chemical proteomic studies. Application of these probes led to the identification of previously unsuspected putative HHQ and PQS binders, thereby providing new insights into QS at a proteomic level and revealing potential new small molecule targets for virulence attenuation strategies. Notably, we found evidence that PQS binds RhlR, the cognate receptor in the Rhl QS sub-system of P. aeruginosa. This is the first indication of interaction between the Rhl and PQS systems at the protein/ligand level, which suggests that RhlR should be considered a highly attractive target for antivirulence strategies
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