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  • Bio-colours sustainable colour: Material, colour and patterning, choice for textiles that can have a positive impact on our well-being.

    Wells, Kate; Greger, Ness; University of Derby (2018-05-29)
    Bio-Colours Sustainable Colour: Material, Colour and Patterning Choice for Textiles that can have a Positive Impact on our Well-Being. The aim of this paper is to address the question: Can the textiles with which we surround ourselves improve our health and well-being while contributing to a lessening the environmental impact of their production? Both design practice and theoretical research informed this paper by researching into the anti-bacterial properties of natural dyes while considering the methods of application of Bio-colours and their extracts to fabrics as a future sustainable colouring and patterning medium. The main objective of this paper is to bring together several aspects of the author’s research: That of the potential healing properties of natural dyes alongside practical experimentation into eco-patterning: A sustainable method for the colouring of materials via shibori and hand processes along side the use of light (differing wavelengths) as a potential method of aesthetic decoration, that is underpinned by the desire to design fabrics that are ethically and sustainably viable. Instigated by the output of collaborative research between two different disciplines: That of textile design and early coloration methods with historical photographic imaging techniques. The research initially considered the symbiotic relationships between natural plant extracts had with ‘Anthotypes’, a very early form of photography c1840 and considered the success and failure of natural dye extracts to create images under different application techniques and light exposure sources. The aim of which, was to understand the success or failure of this type of patterning process on textiles and consider the question: Could this kind of photographic image making be applied as a future, sustainable method of design generation, colouration and patterning of fabric? The objective was in creating an alternative sustainable surface design process that relies upon light and natural colouring substances/dyes as the main patterning and processing medium. By embracing the ethos of ‘slow textiles’ as an alternative to ‘fast fashion’, the research considered the impact natural and synthetic dyes, fibres and the textile coloration industry have as a whole on the environment and well being of the world’s population. Practical design research investigations explored the potential for improving the welfare of the user through considered selection of the colouring matter, natural dye extracts; fibre bases such as hemp, ramie, bamboo, milk and soya alongside solar eco-patterning techniques with an overall aim of producing a patterned material that has sustainable and ethical credentials. Although some very successful outputs were achieved: The main disadvantage of this technique being sustainable being that the fugitive colorant that provides the photographic image/design continues to fade with light and time. New investigations lead to an improvement in fastness once a design has been created, with developments in application of the colouring matter as well as methods for enhancing the light fastness after exposure and patterning by applying an after-mordant such as Tannins from Oak and Sumac, plants high in aluminium; Symplocos Cochinchinensis and Camellia alongside Aluminium, Iron or Copper acetates to the patterned materials after exposure or the application of UV blockers such as Vitamin C, lemon and lime juice that does not normally affect the colour of the patterning produced or effect the potential healing properties of material bases and dyestuffs employed.
  • Digital technology to facilitate proactive assessment of obesity risk during infancy (ProAsk): a feasibility study

    Redsell, Sarah A; Rose, Jennie; Weng, Stephen; Ablewhite, Joanne; Swift, Judy Anne; Siriwardena, Aloysius Niroshan; Nathan, Dilip; Wharrad, Heather J; Atkinson, Pippa; Watson, Vicki; et al. (BMJ, 2017-09-06)
    To assess the feasibility and acceptability of using digital technology for Proactive Assessment of Obesity Risk during Infancy (ProAsk) with the UK health visitors (HVs) and parents. Multicentre, pre- and post-intervention feasibility study with process evaluation. Rural and urban deprived settings, UK community care. 66 parents of infants and 22 HVs. ProAsk was delivered on a tablet device. It comprises a validated risk prediction tool to quantify overweight risk status and a therapeutic wheel detailing motivational strategies for preventive parental behaviour. Parents were encouraged to agree goals for behaviour change with HVs who received motivational interviewing training. We assessed recruitment, response and attrition rates. Demographic details were collected, and overweight risk status. The proposed primary outcome measure was weight-for-age z-score. The proposed secondary outcomes were parenting self-efficacy, maternal feeding style, infant diet and exposure to physical activity/sedentary behaviour. Qualitative interviews ascertained the acceptability of study processes and intervention fidelity. HVs screened 324/589 infants for inclusion in the study and 66/226 (29%) eligible infants were recruited. Assessment of overweight risk was completed on 53 infants and 40% of these were identified as above population risk. Weight-for-age z-score (SD) between the infants at population risk and those above population risk differed significantly at baseline (−0.67 SD vs 0.32 SD). HVs were able to collect data and calculate overweight risk for the infants. Protocol adherence and intervention fidelity was a challenge. HVs and parents found the information provided in the therapeutic wheel appropriate and acceptable. Study recruitment and protocol adherence were problematic. ProAsk was acceptable to most parents and HVs, but intervention fidelity was low. There was limited evidence to support the feasibility of implementing ProAsk without significant additional resources. A future study could evaluate ProAsk as a HV-supported, parent-led intervention.
  • Using interactive digital technology to predict and prevent childhood overweight

    Atkinson, Pippa; University of Nottingham; Anglia Ruskin University; University of Lincoln; Nottingham University Hospitals Trust (Wiley, 2017-11-12)
    Obesity risk factors can be identified during infancy, providing an opportunity for early intervention. ProAsk is an interactive digital intervention that supports health professionals to quantify and communicate an infant's overweight risk status, prompting discussion of parental strategies to reduce future risk. To investigate user experiences of an interactive digital intervention that assesses overweight risk during infancy and supports motivational behaviour change by parents to reduce their infants' future risk. The study was conducted in four economically deprived localities in the UK. Qualitative data on user experiences of ProAsk were collected at the end of a feasibility study of the intervention in which health visitors (public health nurses) used ProAsk with parents when the infants were three months old. Semi-structured interviews with parents (N = 12) and health visitors (N = 15) were conducted when the infants were 6 months old. Interview data were transcribed and analysed thematically using an inductive, interpretative approach. The analysis identified four key themes: engaging and empowering with digital technology; unfamiliar technology presents challenge and opportunity; trust in the risk score; resistance to targeting. Interactive, digital technology was found to actively engage parents, and enabled them to take ownership of the process of seeking strategies to reduce infant risk of overweight. However, cognitive and motivational biases that prevent effective overweight risk communication represent barriers to targeting the intervention at those infants most at risk of becoming overweight.

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