Microplastic litter is a pervasive pollutant present in aquatic systems across the globe. A range of marine organisms have the capacity to ingest microplastics, resulting in adverse health effects. Developing methods to accurately quantify microplastics in productive marine waters, and those internalized by marine organisms, is of growing importance. Here we investigate the efficacy of using acid, alkaline and enzymatic digestion techniques in mineralizing biological material from marine surface trawls to reveal any microplastics present. Our optimized enzymatic protocol can digest >97% (by weight) of the material present in plankton-rich seawater samples without destroying any microplastic debris present. In applying the method to replicate marine samples from the western English Channel, we identified 0.27 microplastics m−3. The protocol was further used to extract microplastics ingested by marine zooplankton under laboratory conditions. Our findings illustrate that enzymatic digestion can aid the detection of microplastic debris within seawater samples and marine biota.

Background Admissions to intensive treatment (i.e., inpatient [IP] and/or day patient [DP]) for individuals with severe anorexia nervosa (AN) are common. Growing literature indicates potential risks and benefits of each intensive treatment approach; however, existing research has focused on patient and carer perspectives of these treatments. Also, there is scant empirical evidence available for guiding the parameters of intensive treatments for AN. We therefore explored clinicians’ perspectives and experience of supporting adults with severe AN in intensive settings. Methods We conducted twenty one semi-structured interviews with clinicians who deliver intensive treatments (i.e., IP and/or DP) for individuals with severe AN across four specialist Eating Disorder Services in the United Kingdom between May 2020 and June 2021. We asked clinicians about their views and experiences of supporting individuals with severe AN in intensive treatment settings and the challenges and opportunities associated with IP and DP treatment. Data were analysed using reflexive thematic analysis supported by NVivo software. Results Five broad and interrelated themes were identified: (1) Intensive Support; (2) The Severity of Patients’ Illnesses; (3) Hope and Recovery; (4) Which Treatment When; (5) Limited Resources; and (6) Carer Burden. We identified various similarities between the two intensive treatment approaches, including the value of intensive and multidisciplinary support and carer involvement, and the challenge of managing complex and unique needs in resource-limited intensive settings. We also found differences in the relationship of treatment to patients’ home environments, the necessity of patient motivation, and the management of risk. Conclusions Both intensive treatment settings are valued by clinicians; however, there are unique challenges and opportunities for supporting individuals with severe AN within each. Our findings suggest DP treatment may be used as an alternative to IP treatment for individuals with severe AN. However, clear questions remain over which intensive treatment setting is best suited to which patient when and should be the focus of future research.

Background: Eating disorders (EDs) are common in student populations and present formidable challenges as to how best to treat and support these young people, especially at points of transition. Yet research exploring these challenges is lacking, particularly from the perspective of those providing treatment and support. Methods: A qualitative design was used to explore clinicians' perspectives of supporting students with EDs. Twelve clinicians from a large ED service in the United Kingdom participated in one-to-one semi-structured interviews. Data were analysed using thematic analysis.Results: Facilitators and barriers to supporting students with EDs fell into four overarching themes: Health System, University, Patient and Carer Factors. Reported facilitators were; ED service awareness, flexibility and resources, university as a motivator, and carer support. Reported barriers were; poor links and communication between institutions, the primary care system, poor university provision for and awareness of EDs, young people's denial and ambivalence, inconsistent implementation of guidelines, and carer anxiety. Conclusions:The findings revealed challenges unique to the university transition, including the need for more collaborative working between healthcare and education institutions, improved training of non-specialised ED professionals, and the benefits of a flexible, adapted ED treatment approach specifically tailored to the unique needs of students with EDs.

Social distancing measures introduced in response to the COVID-19 pandemic resulted in an almost complete cessation of family bedside interaction, with negative effects on patients, families and staff. Here we report on measures introduced in response to this situation at the critical care unit in one hospital involving the use of videoconferencing technology. The solutions used also had the potential to be extended to clinical use, for example when seeking advice for colleagues, and to the provision of training.

We report on a supramolecular self-assembly system that displays coupled light switching, biocatalytic condensation/hydrolysis and gelation. The equilibrium state of this system can be regulated by light, favouring in situ formation, by protease catalysed peptide synthesis, of self-assembling trans- in ambient light; however, irradiation with UV light gives rise to the cis-isomer, which readily hydrolyzes to its amino acid derivatives (cis- + ) with consequent gel dissolution.