Displaying publications 1 - 20 of 100 in total

  1. Noor NM
    J Relig Health, 2008 Dec;47(4):476-90.
    PMID: 19093675
    Religion has been found to moderate the stress-strain relationship. This moderator role, however, may be dependent on age. The present study tested for the three-way interaction between work experience, age, and religiosity in the prediction of women's well-being, and predicted that work experience and religiosity will combine additively in older women, while in younger women religiosity is predicted to moderate the relationship between work experience and well-being. In a sample of 389 married Malay Muslim women, results of the regression analyses showed significant three-way interactions between work experience, age, and religiosity in the prediction of well-being (measured by distress symptoms and life satisfaction). While in younger women the results were in line with the predictions made, in the older women, both additive and moderator effects of religiosity were observed, depending on the well-being measures used. These results are discussed in relation to the literature on work and family, with specific reference to women's age, religion, as well as the issue of stress-strain specificity.
  2. Noor NM
    J Soc Psychol, 2006 Feb;146(1):95-115.
    PMID: 16480124
    The author carried out the present study to examine the determinants of Malaysian women's well-being. Specifically, the author proposed a theoretical model of women's roles and well-being--made up of roles, negative affectivity, conflict, and health--and statistically validated it in a group of women occupying both work and family roles (N = 389). Using a life-course approach (P. Moen, 1998) to roles and well-being, the author further examined the model in women of 3 different age groups (age of Group 1 = 20-29 years, age of Group 2 = 30-39 years, and age of Group 3 = 40 years and older). The results supported the proposed model, which showed reasonable fit when applied to the 3 groups of women. The results also indicated that the predictors of women's well-being differ according to their respective age groups. The author discussed these findings in relation to the life-course approach to women's roles.
  3. Noor NM
    J Soc Psychol, 2002 Oct;142(5):645-62.
    PMID: 12236473 DOI: 10.1080/00224540209603924
    The author tested for the 3 possible pathways (i.e., direct, moderator, and mediator effects) in which locus of control can influence the relationship between work-family conflict and well-being. The author predicted that work-family conflict would be negatively correlated with well-being. In a sample of 310 Malaysian employed women with families, work-family conflict was a significant predictor of both job satisfaction and distress--negatively related to job satisfaction and positively related to symptoms of distress. More important, the results provided support for the effects of all 3 pathways of control on the relationship between work-family conflict and well-being, depending on the outcome measure: For job satisfaction, locus of control had direct effects, acted as a partial mediator, and played a significant moderating role. In contrast, only the direct effect of locus of control predicted distress. The author discusses those findings with reference to the literature on work-family conflict, locus of control, and the issue of stress-distress specificity.
  4. Noor NM
    J Soc Psychol, 2004 Aug;144(4):389-405.
    PMID: 15279329 DOI: 10.3200/SOCP.144.4.389-406
    The author considered both the direct effect and the moderator effect of role salience in the stress-strain relationship. In contrast to previous studies that have examined the effects of salience on well-being within specific social roles, the present study focused on the work-family interface. From a sample of 147 employed English women with children, the present results of the regression analyses showed that both effects are possible, depending on the outcome measures used. The author observed a direct effect of role salience in the prediction of job satisfaction; work salience was positively related to job satisfaction, over and above the main-effect terms of work-interfering-with-family (WIF) conflict and family-interfering-with-work (FIW) conflict. In contrast, the author found a moderator effect of role salience and conflict for symptoms of psychological distress. However, contrary to predictions, the author found that work salience exacerbated the negative impact of WIF conflict, rather than FIW conflict, on well-being. The author discussed these results in relation to the literature on work-family conflict, role salience, and the issue of stress-strain specificity.
  5. Din MO, Noor NM
    Women Health, 2009 Dec;49(8):573-91.
    PMID: 20183102 DOI: 10.1080/03630240903495897
    Due to a dearth of research on depressive symptoms in Malaysia, particularly in Malay women, a community study was conducted to examine the prevalence and factors associated with current depressive symptoms in rural and urban Malay women with low socioeconomic status.
  6. Abdull Razis AF, Noor NM
    Asian Pac J Cancer Prev, 2013;14(3):1565-70.
    PMID: 23679237
    Relationships between diet and health have attracted attention for centuries; but links between diet and cancer have been a focus only in recent decades. The consumption of diet-containing carcinogens, including polycyclic aromatic hydrocarbons and heterocyclic amines is most closely correlated with increasing cancer risk. Epidemiological evidence strongly suggests that consumption of dietary phytochemicals found in vegetables and fruit can decrease cancer incidence. Among the various vegetables, broccoli and other cruciferous species appear most closely associated with reduced cancer risk in organs such as the colorectum, lung, prostate and breast. The protecting effects against cancer risk have been attributed, at least partly, due to their comparatively high amounts of glucosinolates, which differentiate them from other vegetables. Glucosinolates, a class of sulphur- containing glycosides, present at substantial amounts in cruciferous vegetables, and their breakdown products such as the isothiocyanates, are believed to be responsible for their health benefits. However, the underlying mechanisms responsible for the chemopreventive effect of these compounds are likely to be manifold, possibly concerning very complex interactions, and thus difficult to fully understand. Therefore, this article provides a brief overview about the mechanism of such compounds involved in modulation of carcinogen metabolising enzyme systems.
  7. Man CN, Noor NM, Lajis R
    J Chromatogr A, 2011 Sep 28;1218(39):7055-60.
    PMID: 21872876 DOI: 10.1016/j.chroma.2011.08.037
    Sildenafil analogues have been found adulterated in herbal preparations and food products that claim to have natural aphrodisiacs. In this study, a gas chromatography-mass spectrometry (GC-MS) assay was developed for the screening and identification of thioketone analogues of sildenafil. Thiopyrazolopyrimidine, a precursor or a cleavage product of thioketone analogue, exhibited characteristic fragment ions of m/z 328 and m/z 299 was found to be the best marker to screen the presence of general thioketone analogues. Identification by GC-MS assay was rapid and specific as all the studied thioketones showed characteristic mass fragmentations including their intact molecular ions. The developed GC-MS assay had successfully identified thiosildenafil, thiohomosildenafil and thiodimethylsildenafil in herbal preparation and food products.
  8. Abdull Razis AF, Noor NM
    Asian Pac J Cancer Prev, 2015;16(14):5801-5.
    PMID: 26320454
    As a cytosolic transcription factor, the aryl hydrocarbon (Ah) receptor is involved in several patho- physiological events leading to immunosuppression and cancer; hence antagonists of the Ah receptor may possess chemoprevention properties. It is known to modulate carcinogen-metabolising enzymes, for instance the CYP1 family of cytochromes P450 and quinone reductase, both important in the biotransformation of many chemical carcinogens via regulating phase I and phase II enzyme systems. Utilising chemically-activated luciferase expression (CALUX) assay it was revealed that intact glucosinolates, glucoraphanin and glucoerucin, isolated from Brassica oleracea L. var. acephala sabellica and Eruca sativa ripe seeds, respectively, are such antagonists. Both glucosinolates were poor ligands for the Ah receptor; however, they effectively antagonised activation of the receptor by the avid ligand benzo[a]pyrene. Indeed, intact glucosinolate glucoraphanin was a more potent antagonist to the receptor than glucoerucin. It can be concluded that both glucosinolates effectively act as antagonists for the Ah receptor, and this may contribute to their established chemoprevention potency.
  9. Abdull Razis AF, Noor NM
    Asian Pac J Cancer Prev, 2013;14(7):4235-8.
    PMID: 23991982
    Glucoraphanin is the main glucosinolate found in broccoli and other cruciferous vegetables (Brassicaceae). The objective of the study was to evaluate whether glucoraphanin and its breakdown product sulforaphane, are potent modulators of various phase I and phase II enzymes involved in carcinogen-metabolising enzyme systems in vitro. The glucosinolate glucoraphanin was isolated from cruciferous vegetables and exposed to human hepatoma cell line HepG2 at various concentrations (0-25 μM) for 24 hours. Glucoraphanin at higher concentration (25 μM) decreased dealkylation of methoxyresorufin, a marker for cytochrome P4501 activity; supplementation of the incubation medium with myrosinase (0.018 U), the enzyme that converts glucosinolate to its corresponding isothiocyanate, showed minimal induction in this enzyme activity at concentration 10 μM. Quinone reductase and glutathione S-transferase activities were unaffected by this glucosinolate; however, supplementation of the incubation medium with myrosinase elevated quinone reductase activity. It may be inferred that the breakdown product of glucoraphanin, in this case sulforaphane, is superior than its precursor in modulating carcinogen- metabolising enzyme systems in vitro and this is likely to impact on the chemopreventive activity linked to cruciferous vegetable consumption.
  10. Aizat WM, Ismail I, Noor NM
    Adv Exp Med Biol, 2018 11 2;1102:1-9.
    PMID: 30382565 DOI: 10.1007/978-3-319-98758-3_1
    The central dogma of molecular biology (DNA, RNA, protein and metabolite) has engraved our understanding of genetics in all living organisms. While the concept has been embraced for many decades, the development of high-throughput technologies particularly omics (genomics, transcriptomics, proteomics and metabolomics) has revolutionised the field to incorporate big data analysis including bioinformatics and systems biology as well as synthetic biology area. These omics approaches as well as systems and synthetic biology areas are now increasingly popular as seen by the growing numbers of publication throughout the years. Several journals which have published most of these related fields are also listed in this chapter to overview their impact and target journals.
  11. Abdul Kadir A, Noor NM, Mukhtar AF
    Hum Vaccin Immunother, 2021 Oct 29.
    PMID: 34714713 DOI: 10.1080/21645515.2021.1989915
    Health care workers play an important role in supporting childhood vaccination as they are the most trusted source of vaccine-related information for parents. However, there is limited validated tools to measure their knowledge and attitude on childhood vaccination. This study aims to develop and validate knowledge and attitude regarding childhood vaccination (KACV) questionnaire among healthcare workers. The questionnaire was developed based on literature reviews and underwent a sequential validation process, including content, face validity and exploratory factor analysis. However, the attitude section is unidimensional and has undergone reliability analysis only. The preliminary knowledge questionnaire contains 33 items and the attitude questionnaire consists of 17 items. The preliminary KACV showed a high item Content Validity Index and Face Validity Index. The final questionnaire consists of 10 items for knowledge and 15 items for attitude. The Cronbach alpha for the knowledge and attitude section were 0.896 and 0.861, respectively. KACV is a valid and reliable tool to measure healthcare workers' knowledge and attitude on childhood vaccination.
  12. Ng D, Noor NM, Yong SL
    J ASEAN Fed Endocr Soc, 2019;34(1):29-35.
    PMID: 33442134 DOI: 10.15605/jafes.034.01.06
    Objectives: To determine the prevalence of hypoglycaemia using continuous glucose monitoring system (CGMS) among insulin-treated pregnant women with diabetes whose glycosylated haemoglobin (HbA1c) were <6.0% and identify the risk factors associated with hypoglycaemia occurrence.

    Methodology: We conducted a cross-sectional study using 6-days CGMS to detect the prevalence of hypoglycaemia in 31 insulin-treated pregnant women with diabetes who achieved HbA1c <6.0%. Patients were required to log-keep their self-monitoring blood glucose (SMBG) readings and hypoglycaemia events.

    Results: Eight women experienced confirmed hypoglycaemia with additional seven experienced relative hypoglycaemia, giving rise to prevalence rate of 45.2% (one had both confirmed and relative hypoglycaemia). Nine relative hypoglycaemia and 17 confirmed hypoglycaemic events were recorded. Sixteen (94%) out of 17 confirmed hypoglycaemia events recorded by CGMS were asymptomatic and were missed despite performing regular SMBG. Nocturnal hypoglycaemia events were recorded in seven women. Univariable analysis did not identify any association between conventional risk factors and hypoglycaemia events in our cohort.

    Conclusion: Insulin-treated pregnant women with diabetes who achieved HbA1c <6.0% were associated with high prevalence of hypoglycaemia. Asymptomatic hypoglycaemia is common in our cohort and frequently missed despite regular SMBG. Present study did not identify any association between conventional risk factors and hypoglycaemia events in our cohort.

  13. Noor NM, Aziz AA, Mostapa MR, Awang Z
    Biomed Res Int, 2015;2015:972728.
    PMID: 25667932 DOI: 10.1155/2015/972728
    This study was designed to examine the psychometric properties of Malay version of the Inventory of Functional Status after Childbirth (IFSAC).
  14. Tong CV, Hussein Z, Noor NM, Mohamad M, Ng WF
    QJM, 2015 Jan;108(1):49-50.
    PMID: 25099611 DOI: 10.1093/qjmed/hcu166
  15. Yusoff HM, Daud N, Noor NM, Rahim AA
    Asian Pac J Cancer Prev, 2012;13(8):3983-7.
    PMID: 23098504
    In Malaysia, colorectal cancer is the most common cancer in males and the third most common in females. Mortality due to colorectal cancer can be effectively reduced with early diagnosis. This study was designed to look into colorectal cancer screening participation and its barriers among average risk individuals in Malaysia. A cross sectional study was conducted from August 2009 till April 2010 involving average risk individuals from 44 primary care clinics in West Malaysia. Each individual was asked whether they have performed any of the colorectal cancer screening methods in the past five years. The barrier questions had three domains: patient factors, test factors and health care provider factors. Descriptive analysis was achieved using Statistical Program for Social Sciences (SPSS) version 12.0. A total of 1,905 average risk individuals responded making a response rate of 93.8%. Only 13 (0.7%) respondents had undergone any of the colorectal cancer screening methods in the past five years. The main patient and test factors for not participating were embarrassment (35.2%) and feeling uncomfortable (30.0%), respectively. There were 11.2% of respondents who never received any advice to do screening. The main reason for them to undergo screening was being advised by health care providers (84.6%). The study showed that participation in colorectal cancer screening in Malaysia is extremely low and multiple factors contribute to this situation. Given the importance of the disease, efforts should be made to increase colorectal cancer screening activities in Malaysia.
  16. Yap LV, Noor NM, Clyde MM, Chin HF
    Cryo Letters, 2011 May-Jun;32(3):188-96.
    PMID: 21766148
    The effects of sucrose preculture duration and loading treatment on tolerance of Garcinia cowa shoot tips to cryopreservation using the PVS2 vitrification solution were investigated. Ultrastructural changes in meristematic cells at the end of the preculture and loading steps were followed in an attempt to understand the effects of these treatments on structural changes in cell membranes and organelles. Increasing preculture duration on 0.3 M sucrose medium from 0 to 3 days enhanced tolerance to PVS2 solution from 5.6 percent (no preculture) to 49.2 percent (3-day preculture). However, no survival was observed after cryopreservation. Examination of meristematic cells by transmission electron microscopy revealed the progressive accumulation of an electron-dense substance in line with increasing exposure durations to 0.3 M sucrose preculture. Treatment with a loading solution (2 M glycerol + 0.4 M sucrose) decreased tolerance of shoot tips to PVS2 vitrification solution and had a deleterious effect on the ultrastructure of G. cowa meristematic cells. This study suggests that G. cowa meristematic cells may lose their structural integrity due to exposure to glycerol present in the loading solution at a 2 M concentration, either due to its high osmotic potential, or due to its cytotoxicity.
  17. Harmy MY, Norwati D, Noor NM, Amry AR
    Asian Pac J Cancer Prev, 2011;12(8):1957-60.
    PMID: 22292632
    Colorectal cancer is the commonest cancer among males and the third commonest cancer among women in Malaysia. However, almost 80% of patients sought treatment for cancer only when they were already in late stage due to lack of awareness. Hence, the objectives of this study were to determine the knowledge and attitude of colorectal cancer screening among moderate risk patients. A cross-sectional study was conducted between August 2009 till April 2010 in 44 health clinics with Family Medicine Specialists in West Malaysia. Stratified multistage random sampling was applied and a validated Malay version of the questionnaire with the Cronbach' alpha of 0.65 to 0.82 was used. Data were entered using SPSS 12.0 and analysed with STATA 8.0. A total of 1,905 (93.8%) patients responded. The mean (SD) knowledge and attitude score among moderate risk patients were 69.5 (6.11%) and 66.5 (7.07%), whereas, the percentages for good knowledge and attitude were 4.1% and 3.3% respectively. Less than 1% had undergone colorectal cancer screening and the main reasons were not bothered, busy and embarrassment. The majority of patients who had moderate risk for colorectal cancer had extremely low knowledge and attitude towards colorectal cancer screening. As a result, the majority did not undergo any form of colorectal cancer screening.
  18. Noor NM, Rijal OM, Yunus A, Abu-Bakar SA
    Comput Med Imaging Graph, 2010 Mar;34(2):160-6.
    PMID: 19758785 DOI: 10.1016/j.compmedimag.2009.08.005
    This paper presents a statistical method for the detection of lobar pneumonia when using digitized chest X-ray films. Each region of interest was represented by a vector of wavelet texture measures which is then multiplied by the orthogonal matrix Q(2). The first two elements of the transformed vectors were shown to have a bivariate normal distribution. Misclassification probabilities were estimated using probability ellipsoids and discriminant functions. The result of this study recommends the detection of pneumonia by constructing probability ellipsoids or discriminant function using maximum energy and maximum column sum energy texture measures where misclassification probabilities were less than 0.15.
  19. Makeen MA, Noor NM, Dussert S, Clyde MM
    Cryo Letters, 2005 Jul-Aug;26(4):259-68.
    PMID: 19827255
    Following the investigation of desiccation sensitivity and freezing tolerance of the whole seed of Citrus suhuiensis cv. limau langkat, desiccation sensitivity and cryopreservation of the excised embryonic axes from the seeds of the same species were examined. Three drying conditions were employed: desiccation by equilibrium for the whole seeds and desiccation in laminar airflow and over silica gel for the excised embryonic axes. The relevance of desiccation sensitivity (WC50) to cryopreservation of whole seeds and excised axes was investigated. High desiccation tolerance (WC50 = 0.034 g H2O x g(-1)dw) was acquired for axes desiccated with faster dehydration rate (1.5 g x g(-1) x h(-1)) in laminar airflow compared to substantially lower desiccation tolerance (WC50 = 0.132 and 0.110 g H2O x g(-1)dw) acquired under slower dehydration rates (1.0 and 0.005 g x g(-1) x h(-1)) for axes desiccated over silica gel and whole seeds desiccated by equilibrium respectively. While few whole seeds (8.3%) survived freezing, high recovery percentages of axes (83.3% and 62.2%) after freezing were obtained under laminar airflow and silica gel drying conditions respectively. Irrespective of the drying method employed, axes survival percentages after exposure to LN temperature commensurate with the desiccation sensitivity pattern. For the whole seeds, a factor other than desiccation sensitivity that limits the tolerance to exposure to LN temperature seems to exist and still needs to be defined.
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