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  1. Khan Su, Khalifah ZB, Munir Y, Islam T, Nazir T, Khan H
    Int J Inj Contr Saf Promot, 2015;22(4):359-67.
    PMID: 24974915 DOI: 10.1080/17457300.2014.925938
    The present study aims to investigate differences in road safety attitude, driver behaviour and traffic risk perception between Malaysia and Singapore. A questionnaire-based survey was conducted among a sample of Singaporean (n = 187) and Malaysian (n = 313) road users. The data was analysed using confirmatory factor analysis and structural equation modelling applied to measure comparative fit indices of Malaysian and Singaporean respondents. The results show that the perceived traffic risk of Malaysian respondents is higher than Singaporean counterparts. Moreover, the structural equation modelling has confirmed perceived traffic risk performing the role of full mediation between perceived driving skills and perceived road safety for both the countries, while perceived traffic skills was found to perform the role of partial mediation between aggression and anxiety, on one hand, and road safety, on the other hand, in Malaysia and Singapore. In addition, in both countries, a weak correlation between perceived driving skills, aggression and anxiety with perceived road safety was found, while a strong correlation exists with traffic risk perception. The findings of this study have been discussed in terms of theoretical, practical and conceptual implications for both scholars and policy-makers to better understand the young drivers' attitude and behaviour relationship towards road safety measures with a view to future research.
  2. Abdullah M, Rafiq A, Shahid N, Nasir Kalam M, Munir Y, Daoud Butt M, et al.
    Pak J Pharm Sci, 2023 Nov;36(6(Special)):1849-1858.
    PMID: 38264890
    Pharmaceutical substance sitagliptin has long been used to treat diabetes. However, subsequent researches have shown that sitagliptin has additional therapeutic effects. Anti-inflammatory effects are observed. Combining sitagliptin with biodegradable polymers like nanoparticles for chemotherapy may be effective. This method enhances therapeutic agent pharmacokinetics. This study tests sitagliptin (SIT) chitosan base nanoparticles against MCF-7 cancer cell lines for anti-cancer effects. Sitagliptin chitosan-based nanoparticles are tested for their ability to suppress MCF-7 cancer cell proliferation. Ionic gelation, a typical nanoparticle manufacturing method, was used. A detailed examination of the nanoparticles followed, using particle-size measurement, FTIR and SEM. Entrapment efficiency, drug-loading, and in-vitro drug release were assessed. Loaded with chitosan and sitagliptin, the nanoparticles averaged 500nm and 534nm in diameter. Sitagliptin has little effect on particle size. Chitosan-based Sitagliptin nanoparticles grew slightly, suggesting Sitagliptin is present. SIT-SC-NPs had 32% encapsulation efficiency and 30% drug content due to their high polymer-to-drug ratio. SEM analysis showed that both drug-free and sitagliptin-loaded nanoparticles are spherical, as shown by the different bands in the photos. The SIT-CS-NPs had a 120-hour release efficiency of up to 80%. This suggests that these nanoparticles could cure hepatocellular carcinoma, specifically MCF-7 cell lines.
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