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  1. Ahmad N, Zakaria WR, Mohamed R
    Helicobacter, 2011 Feb;16(1):47-51.
    PMID: 21241412 DOI: 10.1111/j.1523-5378.2010.00816.x
    The prevalence of antibiotic resistance varies in geographic areas. The information on the antibiotic susceptibility patterns of Helicobacter pylori (H. pylori) in our local setting is therefore relevant as a guide for the treatment options.
  2. Ahmad N, Cheong YM, Tahir HM
    Malays J Pathol, 1994 Jun;16(1):63-7.
    PMID: 16329578
    Moraxella catarrhalis has gained reputation as a pathogen in the lower respiratory tract especially in patients with underlying chronic lung diseases. It is considered significant when isolated from sputum specimens of adults with respiratory tract infections. A study was carried out to determine the prevalence of Moraxella catarrhalis isolated in sputum specimens and beta-lactamase production of these isolates. Sputum specimens sent to the Bacteriology division, Institute for Medical Research from April 1990 until April 1993 were screened for Moraxella catarrhalis. A total of 1678 sputum specimens were processed and Moraxella catarrhalis was isolated from 15 (0.89%) of the sputum specimens. Six out of 15 (40%) were isolated from patients with chronic lung disease. Eight out of 15 (47%) were beta-lactamase producers. Moraxella catarrhalis isolated in good-quality sputum must not be disregarded and should be looked for especially in patients with chronic obstructive pulmonary disease. Beta-lactamase production should be tested on all isolates so that appropriate treatment can be given. All the isolates in this study were sensitive to cotrimoxazole.
  3. Simon GK, Lye MS, Ahmad N
    Med J Malaysia, 1991 Mar;46(1):88-94.
    PMID: 1836044
    A retrospective study of 300 tuberculosis patients on short course chemotherapy registered in 1985 at the Chest Clinic, General Hospital Alor Setar, Kedah was carried out with the purpose of identifying patient characteristics, determining incidence of side-effects and modifying treatment regimens in order to minimise these side-effects. One hundred and sixteen (38.7%) patients developed side effects. Twenty seven (9%) had side effects severe enough to warrant a change in treatment regimen. Treatment modifications and ways to minimise or control side effects are discussed.
    Study site: Chest clinic, Hospital Alor Setar, Kedah, Malaysia
  4. Ismail A, Gan YN, Ahmad N
    PLoS One, 2020;15(11):e0241082.
    PMID: 33170854 DOI: 10.1371/journal.pone.0241082
    INTRODUCTION: Patient satisfaction is widely used to measure quality of healthcare by identifying potential areas for improvement. Aim of study is to assess patient satisfaction towards pharmacy services and its associated factors using newly developed questionnaire among outpatients attending public health clinics.

    MATERIALS AND METHODS: Public Health Clinic Patient Satisfaction Questionnaire (PHC-PSQ) towards pharmacy services was developed using exploratory factor analysis and Cronbach's α. A cross-sectional study was conducted among 400 patients visiting the pharmacy in three randomly selected public health clinics recruited via systematic random sampling. Data was collected using a set of questionnaire including PHC-PSQ. Factors associated with patient satisfaction was analysed using multiple linear regression.

    RESULTS: Final PHC-PSQ consisted of three domains (administrative competency, technical competency and convenience of location) and 22 items with 69.9% total variance explained. Cronbach's α for total items was 0.96. Total mean score for patient satisfaction was 7.56 (SD 1.32). Older age and higher education were associated with lower patient satisfaction mean score. Patients who had visited the pharmacy more than once in the past three months, perceived to be in better health status and had a more correct general knowledge of pharmacists expressed higher patient satisfaction mean score.

    CONCLUSIONS: PHC-PSQ is a newly developedtool to measure patient satisfaction towards pharmacy services in public health clinics in Malaysia. Patient satisfaction was relatively high. Age, education, frequency of visit, self-perceived health status and general knowledge of pharmacists were factors significantly associated with patient satisfaction.

  5. Muhammad Aklil, A.R., Aznida, M.Z., Azman A., Muhammad Haneef, A., Nik Him, N.A.S., Syed Sharizman, S.A.R., et al.
    MyJurnal
    Leptospirosis is one of the most widespread re-emerging zoonoses in the world. Malaysia is known to
    be an endemic country for human leptospirosis, with a case fatality rate of 2.11%, and an average annual
    incidence rate of 7.80 cases per 100,000 individuals. This systematic review is conducted to determine
    the effectiveness of antibiotic prophylaxis for leptospirosis among the adult populations who are highly
    at risk of getting infected. A systematic search was performed for the relevant titles, abstracts and
    keywords on PubMed, Scopus, Cochrane and Google Scholar from inception to November 2017 based
    on the PICO strategy; which returned 126 studies. Screening of abstracts had shortlisted 19 studies and
    data extraction was conducted for 8 studies which had been accepted after review of the full text. For
    the evaluation of antibiotics prophylaxis effectiveness against leptospirosis, only trials and cohort studies
    with risk ratio (RR) were selected. The articles were analyzed from the viewpoint of the dosage, adverse
    effects, study settings and effectiveness of the antibiotic prophylaxis. Using fixed effects model, pooled
    RR showed protective association between antibiotic prophylaxis use against the incidence of
    leptospirosis (RR = 0.31; 95% CI: 0.20, 0.48). Antibiotic prophylaxis for leptospirosis had been shown
    to be effective in preventing the incidence of the disease among high-risk populations and carries
    minimal adverse effects. It is recommended that the practice of antibiotic prophylaxis for leptospirosis is
    included in the standard protocol for leptospirosis prevention among people at high-risk, including
    disaster response teams and patrons of eco-sports tourism activities; with the drug of choice being
    doxycycline, either as a single 200 mg dose or weekly dose of 200 mg for the duration of exposure,
    based on the setting, duration of event and resources available.
  6. Mansor N, Ahmad N, Rahman HA
    PLoS One, 2020;15(10):e0240842.
    PMID: 33119620 DOI: 10.1371/journal.pone.0240842
    INTRODUCTION: The increasing trend of sexually transmitted infections (STIs) among the young population is a significant public health problem. This study aimed to determine the level of knowledge on STIs among students in higher education institutions and its predicting factors, in Melaka.

    METHODOLOGY: A cross-sectional study was conducted among 600 students from higher education institutions in Melaka aged between 18 to 30 years old. Multistage sampling of the institutions was performed. Valid and reliable self-administered questionnaire in the national language, Bahasa Malaysia, was used as to collect data on sociodemographic, personal background, knowledge on STIs and sources of information for STIs. Univariate, bivariate and multivariate analyses were conducted using IBM SPSS software version 25.

    RESULTS: The response rate for this study was 88%. The mean knowledge score was 24.1 ±5.1 out of 38. HIV was the most known STIs while gonorrhoea, trichomoniasis and chlamydial infections were among the least known STIs. Oral intercourse was the least known sexual activity that could transmit STIs. Higher proportion of respondents had correct knowledge on control and preventive measures of STIs (between 78% and 95%) compared to correct knowledge on sign and symptoms of STIs (between 8.5% and 67.8%). More than 90% of the respondents were unaware that a person infected with STIs could be symptom free. Four variables were identified as the determinants of the knowledge on STIs, which were level of education, place of stay, history of sexual and reproductive health education and involvement in STIs awareness programs (F (4,445) = 11.405, p <0.001, R2 = 0.093).

    CONCLUSIONS: The knowledge on STIs among students in higher education institutions was unsatisfactory. The existing sexual education programs can be strengthened by delivering more information on other STIs rather than focusing on HIV only. The future program should focus on students of diploma and/or skill certificate and staying off-campus.

  7. Sufiza Ahmad N, Makmor-Bakry M, Hatah E
    Saudi Pharm J, 2020 Jul;28(7):850-858.
    PMID: 32647487 DOI: 10.1016/j.jsps.2020.06.003
    Introduction: Medicine price transparency initiatives provide public or government on information about the product's prices and the components that may influence the prices, such as volume and product quality. In Malaysia, medicine price transparency has become part of the government's strategies in ensuring adequate, continuous and equitable access to quality, safe, effective and affordable medicines. Since the effect of medicine price transparency depend critically on how prices are presented, this study aims to evaluate the stakeholders' perspective of medicine price transparency practice in the private healthcare system in Malaysia.

    Methods: This study was conducted as face-to-face, semi-structured interview. Respondents from private pharmaceutical industries, community pharmacists, general practitioners, private hospital pharmacists, governments, academicians and senior pharmacist were recruited using purposive sampling. Using phenomenological study approach, interviews were conducted, and audio recorded with their consent. Data were transcribed verbatim and analysed using thematic analysis with Atlas.ti 8 software and categorised as strengths, weaknesses, opportunities and threats (SWOT).

    Results: A total of 28 respondents were interviewed. There was a mixed perception regarding the price transparency implementation in Malaysia's private healthcare settings. The potential strengths include it will provide price standardization, reduce price manipulation and competition, hence allowing the industry players to focus more on patient-care services. Moreover, the private stakeholders were concerned that the practice may affect stakeholders' business and marketing strategy, reduce profit margin, increase general practitioner's consultation fees and causing impact on geographical discrepancies. The practice was viewed as an opportunity to disseminate the truth price information to consumer and strengthen collaboration between healthcare industries and Ministry of Health although this may become a threat that affect the business survival.

    Conclusion: Price transparency initiatives would benefit the pharmaceutical industries, consumer and countries, but it needs to be implemented appropriately to prevent price manipulation, market monopoly, and business closure. Future study may want to evaluate the impact of the initiatives on the business in the industry.

  8. Ahmad N., Osman, E., Abdul Ghani, N.A., Leong, W.Y., Arzaee, M.Z., Seow, Y.Y., et al.
    Medicine & Health, 2020;15(2):108-123.
    MyJurnal
    Toksoplasmosis pendam dapat menyebabkan pelbagai gangguan hormon dan tingkah laku dalam hos terjangkit. Kami berhasrat untuk mengkaji sero-prevalens Toxoplasma gondii (T. gondii) pendam serta hubungan antara jangkitan dengan pengetahuan dan tingkah laku dalam kalangan 400 ibu hamil. Sampel plasma diuji untuk kehadiran antibodi IgG T. gondii dan soal selidik berstruktur digunakan untuk merekodkan ciri-ciri sosio-demografi responden, maklumat umum dan pengetahuan mengenai faktor risiko, gejala, masa jangkitan, pengetahuan pencegahan serta tingkah laku pencegahan toksoplasmosis. Sero-prevalensi toksoplasmosis pendam dalam wanita hamil adalah 31.8%. Kajian menunjukkan, 69.5% daripada mereka mempunyai kurang pengetahuan mengenai toksoplasmosis. Walau bagaimanapun, majoritinya (99.8%) mengamalkan tingkah laku pencegahan. Analisis regresi logistik berganda menunjukkan wanita hamil dengan tahap pendidikan rendah mempunyai hampir dua kali lebih risiko (nisbah ods terlaras: 1.91, 95% SK 1.18, 3.10; p = 0.008) untuk T. gondii IgG seropositif. Wanita hamil yang mempunyai sejarah perubatan lalu mempunyai dua kali lebih kemungkinan (nisbah ods terlaras: 2.32, 95% SK 1.32, 4.06; p = 0.003) untuk T. gondii IgG seropositif. Selain itu, wanita yang tidak pasti mengenai mod penyebaran penyakit melalui pemindahan darah mempunyai empat kali lebih ods (nisbah ods terlaras: 3.93, 95% SK 1.54, 10.01; p = 0.004) untuk sero-prevalens kronik toksoplasmosis. Wanita yang tidak pasti mengenai keperluan menghindari kucing liar mempunyai nisbah ods terlaras: 0.42 (95% SK 0.24, 0.71, p = 0.001) untuk sero-prevalens kronik toksoplasmosis. Penterjemahan pengetahuan tentang toksoplasmosis kepada amalan tingkah laku pencegahan melalui program pendidikan kesihatan adalah penting untuk mengurangkan risiko penularan penyakit ini dalam kalangan wanita hamil.
  9. Ling CF, Radin Umar RZ, Ahmad N
    Int J Occup Saf Ergon, 2020 Dec 29.
    PMID: 33096963 DOI: 10.1080/10803548.2020.1840116
    Objective. Limited models are available to predict work-relatedness of musculoskeletal disorders (MSDs) among semiconductor back-end workers. This study aims to develop a model to predict the MSDs development among back-end workers. Method. Potential MSD risk factors were extracted from 277 work compensation investigation reports conducted between 2011-2019. Binary logistic regression approach was used to determine significant predictors. Results. Significant predictors (p 
  10. Mohd-Zain Z, Kamsani NH, Ismail IS, Ahmad N
    Trop Biomed, 2012 Sep;29(3):372-80.
    PMID: 23018500 MyJurnal
    Prior to the implementation of Haemophilus influenzae type b vaccination worldwide, H. influenzae has been one of the main causative agents of community acquired pneumonia and meningitis in children. Due to the lack of information on the characteristics of the H. influenzae isolates that have previously been collected in Malaysia, the H. influenzae were assessed of their microbial susceptibility to commonly used antibiotics. Emphasis was made on strains that were resistance to co-trimoxazole (SXT) and their mode of transfer of the antibiotic resistance determinants were examined. A collection of 34 H. influenzae isolates was serotyped and antimicrobial susceptibility tests were performed to 11 antibiotics. To the isolates that were found to be resistant to co-trimoxazole, minimum inhibition concentration (MIC) to SXT was performed using Etest while agar dilution method was used to measure the individual MICs of trimethoprim (TMP) and sulfamethoxazole (SUL). These isolates were also examined for presence of plasmid by PCR and isolation method. Conjugal transfers of SXT-resistant genes to SXT-susceptible hosts were performed to determine their rate of transfer. Result showed that 20.6% of the total number of isolates was serotype B while the remaining was non-typeable. Antimicrobial susceptibility profile of all the isolates revealed that 58.8% was resistant to at least one antibiotic. Majority of these isolates were equally resistant to ampicillin and tetracycline (29.4% each), followed by resistance to SXT (26.5%). From nine isolates that were found to be SXT-resistant, five contained plasmid/s. Conjugal transfer experiment showed that these five isolates with plasmid transferred SXT-resistance determinants at a higher frequency than those without. From these observations, it is postulated that plasmid is not involved in the transfer of SXT-resistance genes but presence of plasmid facilitates their transfer. The information obtained from this study provides some basic knowledge on the antimicrobial susceptibility pattern of the H. influenzae isolates and their mode of transfer of SXT-resistance genes.
  11. Mhd Abd Kader, K. A., Ab. Aziz, N., Aziz, A., Talib, A. T., Ahmad, N. H., Tan, C. P., et al.
    MyJurnal
    Pink Guava Puree (PGP) factory produces tons of residues from its unit operation [refiner (R),
    siever (S), and decanter (D)]. These residues represent a waste of nutrients and can contribute
    to environmental problem. However, it can benefit related industries if the properties of the
    residues are known. Thus, this research aims to determine the compositions of the residues
    from PGP processing factory in order to evaluate possible value-added by-product and energy
    sources. The residues from each unit operation were being tested for proximate composition,
    dietary fibre components, pH value, emulsifying activity (EA) and emulsifying stability (ES),
    carbon-to-nitrogen (C/N) ratio, and sugar analysis. The sugar content was analysed using High
    Performance Liquid Chromatography (HPLC-RI detector). Results showed that the residues
    have good composition of carbohydrate (11.82–12.18%), and thus potential as carbon source
    and can be a good substrate for fermentation. These residues may also benefit the food industry
    as a good source of dietary fibre (18.63–29.86%). The pH value for these PGP residues is 4;
    thus they were considered as acidic food by-product. The low pH value also contributed to the
    low EA and ES value other than the low content of protein in the sample. C/N ratio for PGP
    residue from R (46:1) is the lowest compared to the C/N ratio from S (84:1) and D (115:1). The
    amount of sugars detected in the PGP residues in descending order were fructose > glucose >
    sucrose.
  12. Ishak KA, Annuar MSM, Ahmad N
    Appl Biochem Biotechnol, 2017 Dec;183(4):1191-1208.
    PMID: 28502064 DOI: 10.1007/s12010-017-2492-6
    Polymeric nanoparticles gain a widespread interest in food and pharmaceutical industries as delivery systems that encapsulate, protect, and release lipophilic compounds such as omega-3 fatty acids, fat-soluble vitamins, carotenoids, carvedilol, cyclosporine, and ketoprofen. In this study, medium-chain-length poly-3-hydroxyalkanoate (mcl-PHA)-incorporated nanoparticle was developed via facile organic solvent-free nanoemulsion templating technique. The water content (W/surfactant-to-oil (S/O)), S/O, and Cremophor EL-to-Span 80 (Cremo/Sp80) ratios were first optimized using response surface methodology (RSM) to obtain nanoemulsion template prior to incorporation of mcl-PHA. Their effects on nanoemulsion formation were investigated. The mcl-PHA-incorporated nanoparticle system showed a good preservation capability of β-carotene and extended storage stability.
  13. Singh J, Ahmad N, Chai YC
    ASEAN Journal of Psychiatry, 2017;18(1):107-113.
    MyJurnal
    Objective: Pathological laughter, pseudobulbar affect or a myriad of its other synonyms, is a condition common secondary to neurological injury, presenting with uncontrolled laughing or crying, appearing to be mood-incongruent and significantly debilitating. The objective of this case report is to highlight a rare case of pathological laughter associated with Cerebral Lupus.
    Methods: We report a case of a 27-year-old lady presenting with signs and symptoms of stroke with dysarthria progressing to aphasia and then pathological laughter, with an underlying poorly controlled Systemic Lupus Erythematosus, manifesting as Cerebral Lupus.
    Results: An improvement in affect congruency followed by decreased frequency of outbreaks among bouts of pathological laughter.
    Conclusion: The combination of Escitalopram and Topiramate is effective in the symptomatic treatment of Pathological Laughter.
  14. Ahmad NS, Abdullah N, Yasin FM
    Toxicol Rep, 2020;7:693-699.
    PMID: 32528857 DOI: 10.1016/j.toxrep.2020.04.015
    Toxicity effect of reduced graphene oxide (rGO) and titanium dioxide (TiO2) nanomaterials (NMs) on Gram-positive (Bacillus subtilis) and Gram-negative (Escherichia coli) bacteria was assessed. For both strains, study demonstrated that the toxicity was time and concentration dependent which led to reduction in growth rate and cell death. Upon NMs exposure, an instantaneous cell death in E. coli culture was observed. This is in contrast with B. subtilis, in which the culture growth remained in the log phase; however their growth rate constant,

    μ
    g

    was reduced by ∼70%. The discrepancy between E. coli and B. subtilis was due to strain-specific response upon contact with NMs. TEM, SEM and EDX analysis revealed direct physical surface-surface interaction, as evidence from the adherence of NMs on the cell surface.
  15. Vejan P, Khadiran T, Abdullah R, Ahmad N
    J Control Release, 2021 Nov 10;339:321-334.
    PMID: 34626724 DOI: 10.1016/j.jconrel.2021.10.003
    Controlled release fertilizer (CRF) plays a crucial yet necessary part in the sustainable agriculture industry. An alarming rise in call for crop production directly influences the increasing need for synthetically derived fertilizers and pesticides production. The application of CRF has been a gamechanger as an environmentally sustainable pathway to increase crop yields by paving desired phase of plant growth via a direct or indirect mechanism. The mechanism of CRF does not only decreases nutrient dissipation due to volatilization and leaching, but also provides a precisely appropriate nutrient release design that is suitable in the physiological and biochemical aspect of the plant growth. However, CRF is not deployed on larger scale of commercial agriculture practices due to being expensive, has relatively low efficiency in releasing nutrients and its coatings are largely composed of petroleum-based synthetic polymers. Alternatively, there are many polymers derived from renewable and biodegradable sources that can be used as coating material for CRF in the form of bio-nanocomposites. Having said that, there is an apparent gap between the mechanism of the CRFs for promoting plant growth and the prominent role of the nanocomposites especially bio-nanocomposites as coating material for CRF synthesis, thus the importance of nanotechnology application in enhancing the effectiveness of CRF. Therefore, this review attempts to bridge the stated gap and summarizes the comprehensive developments, application mechanisms and future potential of CRF as a fertilizer for crop sustainability.
  16. Hadi FS, Ghazali S, Ahmad N, Ramli SR
    Trop Biomed, 2021 Dec 01;38(4):561-567.
    PMID: 35001922 DOI: 10.47665/tb.38.4.099
    Melioidosis is a disease of public health importance associated with high case-fatality rates in animals and humans caused by Burkholderia pseudomallei (B. pseudomallei ), a gram- negative bacterium that lives in tropical soil environments. This study determined the seropositivity for melioidosis among patients admitted to healthcare centres in Malaysia, from 2015 to 2019 and identified factors related to it. A total of 26,665 serum samples of suspected melioidosis patients from Malaysia hospitals were tested for IgM against B. pseudomallei. About 16.4% of total samples were seropositive and majority of them were 55 years old and above. However, younger people aged less than 15 years old were the most susceptible to the infection (AOR 3.04, p <0.001, 95% CI: 2.73, 3.39). Melioidosis infection was the highest in Sarawak (15.1%) while Perlis was the least exposed to the infection (0.9%). Further analyses showed that patients with chronic lung disease (adjusted OR: 4.03, p < 0.001, 95% CI: 2.77, 5.86) were more susceptible to melioidosis infection. In conclusion, although serology testing is not a gold standard test in diagnosing melioidosis, it has been used as a tool in treatment monitoring and disease surveillance among patients and at-risk community in the endemic hot-spots regions.
  17. Md Isa Z, Amsah N, Ahmad N
    Nutrients, 2023 May 15;15(10).
    PMID: 37242192 DOI: 10.3390/nu15102310
    Vitamin D deficiency and insufficiency are public health concerns that have contributed to multiple negative health outcomes. Recent studies have revealed that vitamin D deficiency and insufficiency influence glycaemic control and the development of diabetes complications. The goal of this systematic review is to summarise the latest evidence on the impact of vitamin D deficiency and insufficiency on the outcome of Type 2 Diabetes Mellitus (T2DM) patients. In this PRISMA-guided systematic review, articles were sourced from three databases, namely, PubMed, Scopus, and Web of Science. The review only included literature published from 2012 until 2022, and 33 eligible studies met the inclusion criteria for this review. The included articles were critically appraised using the Mixed Method Appraisal Tool (MMAT). According to our findings, vitamin D deficiency or insufficiency is associated with mental health status, macrovascular and microvascular complications of T2DM, metabolic syndrome, increased risk of obesity, increased blood pressure, dyslipidaemia, glycaemic control, nerve-related disease, musculoskeletal-related complications, and reduced quality of life. Due to the diverse implications of vitamin D deficiency and insufficiency, screening for vitamin D levels in T2DM patients may be beneficial.
  18. Jane Ling MY, Ahmad N, Aizuddin AN
    PLoS One, 2023;18(6):e0286518.
    PMID: 37262079 DOI: 10.1371/journal.pone.0286518
    BACKGROUND: The burden of non-communicable diseases (NCDs) is increasing. Risk perception of NCDs is an important factor towards the uptake of preventive health interventions. There are various questionnaires assessing risk perception of NCDs, but no internationally standardized questionnaire has been available. Identification of factors associated with risk perception of NCDs may facilitate the development of targeted interventions. This systematic review aims to identify available questionnaire assessing risk perception of NCDs and the factors associated with risk perception of NCDs.

    METHODS: The reporting of this systematic review is in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We carried out a literature search through three databases (Scopus, PubMed, Web of Science) and targeted original article published in English between 2012 and 2021. Quality appraisal of the eligible articles was conducted using the Mixed Methods Appraisal Tool. Findings were synthesized using content analysis.

    RESULTS: A total of 86 studies were included. We found a variety of questionnaires assessing risk perception of NCDs, with many differences in their development, domains, items and validity. We also identified several personal, sociopsychological and structural factors associated with risk perception of NCDs.

    LIMITATIONS: Most of the included studies were of cross-sectional design, and therefore the quality of evidence was considered low and exhibit a high risk of bias. The role of publication bias within this systematic review should be acknowledged as we did not include grey literature. Additionally, language bias must be considered as we only included English-language publications.

    CONCLUSION: Further development and testing of available questionnaire is warranted to ensure their robustness and validity in measuring risk perception of NCDs. All the identified factors deserve further exploration in longitudinal and experimental studies.

  19. Vejan P, Abdullah R, Ahmad N, Khadiran T
    Environ Sci Pollut Res Int, 2023 Mar;30(13):38738-38750.
    PMID: 36585594 DOI: 10.1007/s11356-022-24970-x
    The oil palm kernel shell biochar (OPKS-B) and oil palm kernel shell activated carbon (OPKS-AC) were used as a framework to entrap urea using adsorption method. Batch adsorption studies were performed to gauge the influence of contact time on the adsorption of urea onto both OPKS-B and OPKS-AC. To evaluate the physicochemical traits of the studied materials, energy dispersive X-ray spectrometer (EDS), N2-sorption, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), elemental analysis, differential thermal gravity (TG/DTG) and thermal gravity were applied. Result shows OPKS-AC has a better sorption capacity for urea compared to OPKS-B. The Langmuir isotherm model better justified the sorption isotherms of urea. For the adsorption process for both OPKS-B and OPKS-AC, the pseudo-second-order kinetic model was picked as it best fitted the experimental sorption outcome with the superior R2 values of > 65.1% and > 74.5%, respectively. The outcome of the experiments showcased that the maximum monolayer adsorption capacity of the OPKS-AC towards urea was 239.68 mg/g. OPKS-AC has showed promising attributes to be picked as an organic framework in the production of controlled release urea fertiliser for a greener and environmentally friendly agricultural practices.
  20. Shah SA, Mahmood MI, Ahmad N
    Asian Pac J Cancer Prev, 2020 Nov 01;21(11):3137-3144.
    PMID: 33247668 DOI: 10.31557/APJCP.2020.21.11.3137
    BACKGROUND: The recent data shows reduced uptake on cancer screening where the Perception towards cancer screening by the public is one of the favorable factor might influence the screening uptake. Therefore, this study aims to determine the predictors of poor cancer screening perceptions among the population in Johor, Malaysia.

    METHODS: This was a cross sectional study of 1,312 respondents selected using a multistage design. Questionnaires relating to the demographic characteristics, socioeconomic profiles, social and physical environment, knowledge and perception of cancer screening were gathered. Multiple logistic regression models were used to examine the variables and their association with poor perceptions of cancer screening.

    RESULTS: Overall, 871(66.4%) respondents had poor perceptions of cancer screenings; 68.4% among males and 64.4% among females. In the multivariable analysis in the category of income, the bottom 40% and lower middle 40%, had not subscribed to health insurance, had poor social support, absence of any family history of cancer or comorbid illnesses, no previous attendance for cancer screening and poor knowledge of cancer, all of which were associated with their poor cancer screening perceptions.

    CONCLUSION: One way of developing cancer screening services to detect cancer in its early stage could include efforts to reach people with less awareness about cancer screening tests, lower socioeconomic status, and inadequate social support. Particular consideration should be taken to locate those who never had health insurance or attended cancer screening tests to provide the appropriate resources.

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