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  1. Dai J, Zulkefli NF, Moy FM, Keene D, Humphries D
    Curr Dev Nutr, 2019 Jun;3(Suppl 1).
    PMID: 31224508 DOI: 10.1093/cdn/nzz034.P10-024-19
    Objectives: Malaysia is currently experiencing the nutrition transition, with an increased consumption of refined carbohydrates and fats paralleling an increase in prevalence of obesity and chronic disease. These dietary changes have occurred despite 90% of urban women reporting awareness of the health risks posed by obesity. This study sought to characterize how working women, an understudied population at risk for diet-related chronic disease, navigate food decisions. As Malaysia is a multiethnic nation, we aimed to explore the sociocultural determinants of eating behavior in this unique population.

    Methods: A purposive design in combination with a convenience sampling approach was used to recruit 24 women ages 26 to 55 of Malay, Indian, and Chinese descent across 15 university departments in Kuala Lumpur, Malaysia. Audio recordings of the individual semi-structured interviews were transcribed and analyzed using grounded theory.

    Results: Women identified two important life transitions, getting married and having children, as particularly influential in changing eating behavior. Women reported a desire to eat healthier that was in tension with pressures to cater to the taste preferences of their household members and to accommodate their work schedules. Persistent social norms of eating in group settings and difficulty in accessing foods perceived as nutritious were reported as barriers to changing individual eating behavior. Regardless of education level and marital status, women agreed that the act of eating was closely connected with cultural values and embodied important meanings that took precedence over eating as a health-promoting behavior. While all participants expressed a desire to eat healthier, many reported limited confidence in their ability to consistently give up familiar and tasty foods for healthier alternatives. Shifts in eating behavior such as trying new healthy recipes and adopting a more restrictive diet were reported as most feasible and personally applicable after learning about a family member's declining health.

    Conclusions: In this urban, multiethnic population, increasing the accessibility of nutritious foods and changing cultural perceptions of the relationship between food and nutrition may be important for enabling healthy eating behaviors.

    Funding Sources: Yale Sustainable Food Program, Yale School of Public Health.

  2. Dai J, Zulkefli NF, Moy FM, Humphries DL
    J Nutr Educ Behav, 2022 Feb;54(2):143-150.
    PMID: 34952802 DOI: 10.1016/j.jneb.2021.08.019
    OBJECTIVE: To explore how working women in metropolitan Malaysia make food decisions.

    DESIGN: A grounded theory approach and semistructured interviews.

    SETTING: A large university in metropolitan Malaysia.

    PARTICIPANTS: Twenty-four female employees purposively recruited to vary in ethnicity, body mass index, age, and marital status via convenience sampling.

    PHENOMENON OF INTEREST: Perceptions of sociocultural influences on healthy eating behavior among working women.

    ANALYSIS: Researchers audio-recorded interviews and analyzed verbatim transcripts.

    RESULTS: Working women shared a desire to eat a healthier, more balanced diet by reducing processed food consumption through home-cooked meals. Participants described aspects of their living situations and cultural values about food that made it seem impossible to change their diets. Living with other people limited their ability to cook the food they wanted to eat. In addition, unspoken rules about communal eating in Malaysia, such as not refusing food and not wasting food, prevented working women from practicing healthy eating.

    CONCLUSIONS AND IMPLICATIONS: In this population of working women in metropolitan Malaysia, experiences of time scarcity and limited sociocultural support for behavior change were major barriers to healthy eating. Interventions could prioritize leveraging these realities about food to facilitate environments in which women feel like they have control of their own food intake.

  3. Zulkefli NF, Alias NH, Jamaluddin NS, Abdullah N, Abdul Manaf SF, Othman NH, et al.
    Membranes (Basel), 2021 Dec 25;12(1).
    PMID: 35054552 DOI: 10.3390/membranes12010026
    The discharge of massive amounts of oily wastewater has become one of the major concerns among the scientific community. Membrane filtration has been one of the most used methods of treating oily wastewater due to its stability, convenience handling, and durability. However, the continuous occurrence of membrane fouling aggravates the membrane's performance efficiency. Membrane fouling can be defined as the accumulation of various materials in the pores or surface of the membrane that affect the permeate's quantity and quality. Many aspects of fouling have been reviewed, but recent methods for fouling reduction in oily wastewater have not been explored and discussed sufficiently. This review highlights the mitigation strategies to reduce membrane fouling from oily wastewater. We first review the membrane technology principle for oily wastewater treatment, followed by a discussion on different fouling mechanisms of inorganic fouling, organic fouling, biological fouling, and colloidal fouling for better understanding and prevention of membrane fouling. Recent mitigation strategies to reduce fouling caused by oily wastewater treatment are also discussed.
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