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  1. Fulltext Mobile outdoor air wireless sensor network for exposure monitoring among traffic policeman: a review
    Putri Anis Syahira M. J., Karmegam Karuppiah, Irniza Rasdi, How, Vivian, Shamsul Bahri Mohd Tamrin, Nur Athirah Diyana Mohammad Yusof, et al.
    Malaysian Journal of Medicine and Health Sciences, 2019;15(103):128-130.
    MyJurnal
    The effects of poor air quality are a serious issue in urban areas, wherever most people live and work. Precise moni- toring of air quality in real-time is crucial to enable prompt and fitting resolutions for outdoor workers and the public. This study is meant to provide information and to understand current knowledge on the use of mobile wireless sensor network for outdoor air pollution assessments and monitoring. A search of the literature was carried out using an appropriate query for the search of papers across various databases. Majority of the previous studies researched have reported that mobile wireless sensors are versatile and could be applied in exposure assessments and monitoring of outdoor air quality. The reviewed articles proved that mobile wireless sensors are a practical device that can effec- tively detect air pollution and will facilitate to boost the protection of the community, personal health care as well as environmental monitoring.
  2. Impacts of PM2.5 on respiratory system among traffic policemen
    Putri Anis Syahira MJ, Karmegam K, Nur Athirah Diyana MY, Irniza R, Shamsul Bahri MT, Vivien H, et al.
    Work, 2020;66(1):25-29.
    PMID: 32417810 DOI: 10.3233/WOR-203147
    BACKGROUND: Malaysian traffic policemen are constantly exposed to unhealthy air in the outdoor environment, which results in various health problems. This study investigates the relationship of the personal exposure level to PM2.5 and lung functions in traffic policemen in Kuala Lumpur and Johor Bahru.

    METHODS: A pulmonary function test using a spirometer was carried out to measure the lung function of the traffic policemen. The personal exposure level to PM2.5 was measured using a pump with a PVC filter and 5.0μm pore size. A questionnaire requesting the background data, such as age, height, and weight, was also used for testing lung function abnormalities.

    RESULTS: The PM2.5 personal exposure level was found to be significantly related to lung function (predicted FEV1 and predicted FVC) at p-value 

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