Displaying publications 41 - 60 of 125 in total

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  1. Preface
    Page LM, Chen WJ, Ciccotto PJ
    Zootaxa, 2018 Sep 13;4476(1):5.
    PMID: 30313338 DOI: 10.11646/zootaxa.4476.1.3
    The Asian Society of Ichthyologists (ASI) was established in February 2014 in Penang, Malaysia following organizational meetings in 2012 in Chiang Mai, Thailand and in 2013 in Bandar Seri Begawan, Brunei.
    Matched MeSH terms: Brunei
  2. Fulltext Sequence analysis of E/NS1 gene junction of dengue virus type 2 isolated in Brunei
    Osman O, Fong MY, Devi S
    Southeast Asian J. Trop. Med. Public Health, 2008 Jan;39(1):62-78.
    PMID: 18567445
    A preliminary study of dengue infection in Brunei between 2005 and 2006 showed that dengue 2 was the predominant serotype. A total of five DEN-2 isolates were isolated and maintained in the mosquito cell-line, albopictus C6/36. The sequence spanning the envelope and non-structural protein 1 (E/NS1) junction (positions 2311 to 2550) of the isolates were determined and analysed at the amino acid and nucleotide levels. Alignment of the 240 nucleotide sequences among the five isolates showed changes occurring at 7 positions (2.9%) of the region. All but one nucleotide substitution (position 2319, amino acid 742 V --> F) were found at the 3rd position of the codons and were silent mutations. Amino acid homology ranged from 98% to 100%. Sequence divergence of the Brunei isolates varied from 5% to 6.6% compared with dengue-2 prototype New Guinea C strain. Comparison of the Brunei DEN-2 isolates with sixty-five other strains placed them in a cluster containing Indonesian strains isolated in 1973, 1978 and 2004 and Malaysian strains isolated in 1996, 1998 and 1999 in genotype group IV.
    Matched MeSH terms: Brunei
  3. Genetic characterization of dengue virus type 1 isolated in Brunei in 2005-2006
    Osman O, Fong MY, Sekaran SD
    J Gen Virol, 2009 Mar;90(Pt 3):678-686.
    PMID: 19218214 DOI: 10.1099/vir.0.005306-0
    The full-length genomes of two DENV-1 viruses isolated during the 2005-2006 dengue incidents in Brunei were sequenced. Twenty five primer sets were designed to amplify contiguous overlapping fragments of approximately 500-600 base pairs spanning the entire sequence of the genome. The amplified PCR products were sent to a commercial laboratory for sequencing and the nucleotides and the deduced amino acids were determined. Sequence analysis of the envelope gene at the nucleotide and amino acid levels between the two isolates showed 92 and 96 % identity, respectively. Comparison of the envelope gene sequences with 68 other DENV-1 viruses of known genotypes placed the two isolates into two different genotypic groups. Isolate DS06/210505 belongs to genotype V together with some of the recent isolates from India (2003) and older isolates from Singapore (1990) and Burma (1976), while isolate DS212/110306 was clustered in genotype IV with the prototype Nauru strain (1974) and with some of the recent isolates from Indonesia (2004) and the Philippines (2002, 2001). In the full-length genome analysis at the nucleotide level, isolate DS06/210505 showed 94 % identity to the French Guyana strain (1989) in genotype V while isolate DS212/110306 had 96 % identity to the Nauru Island strain (1974) in genotype IV. This work constitutes the first complete genetic characterization of not only Brunei DENV-1 virus isolates, but also the first strain from Borneo Island. This study was the first to report the isolation of dengue virus in the country.
    Matched MeSH terms: Brunei/epidemiology
  4. Complete genome sequence analysis of dengue virus type 2 isolated in Brunei
    Osman O, Fong MY, Devi S
    Virus Res, 2008 Jul;135(1):48-52.
    PMID: 18406488 DOI: 10.1016/j.virusres.2008.02.006
    In a previous study, we have reported the detection and isolation of dengue virus in Brunei (Osman, O., Fong, M.Y., Devi, S., 2007. A preliminary study of dengue infection in Brunei. JJID 60 (4), 205-208). DEN-2 was the predominant serotype followed by DEN-1. The full genomic sequences of 3 DEN-2 viruses isolated during the 2005-2006 dengue incident in Brunei were determined. Twenty-five primer sets were designed to amplify contiguous overlapping fragments of approximately 500-600 base pairs spanning the entire sequence of the viral genome. The amplified PCR products were sent for sequencing and their nucleotides and the deduced amino acids were determined. All three DEN-2 virus isolated were clustered in the Cosmopolitan genotype of the DEN-2 classification by Twiddy et al. This work constitutes the first complete genetic characterization of three Brunei DEN-2 virus strains.
    Matched MeSH terms: Brunei
  5. A preliminary study of dengue infection in Brunei
    Osman O, Fong MY, Devi S
    Jpn J Infect Dis, 2007 Jul;60(4):205-8.
    PMID: 17642533
    The purpose of this study was to examine the extent of dengue infection in Brunei and to determine the predominant serotype circulating in the country. The study generated useful epidemiological data on dengue infection in Brunei. A total of 271 samples from patients suspected of having dengue infections were selected and analyzed. All patients were seen in clinics and hospitals in Brunei. The samples were collected from April 2005 to April 2006 and transported to the WHO Collaborating Centre for Arbovirus Reference and Research, University of Malaya, Malaysia. The following tests were used to achieve the objectives: in-house IgM-capture enzyme-linked immunosorbent assay, virus isolation in mosquito albopictus cell line (C6/36), and viral RNA detection and serotyping by reverse transcriptase-polymerase chain reaction (RT-PCR). The results show that 45 people were positive for dengue-specific IgM (27 males and 18 females), while RT-PCR detected dengue viral RNA in 12 patients, 3 identified as DEN-1 and 9 as DEN-2. Dengue virus was isolated from 6 patients using the C6/36 cell line; 3 were DEN-2 isolates and 3 were DEN-1 isolates. These data show that dengue virus is circulating in Brunei and the predominant infecting serotype for that period was DEN-2 followed by DEN-1. This study is the first to report the detection and isolation of dengue virus from Brunei using RT-PCR and culture in the C6/36 albopictus mosquito cell line.
    Matched MeSH terms: Brunei/epidemiology
  6. Fulltext Xanthogranulomatous pyelonephritis with reno-colic fistula: A rare complication of urinary tract infection
    Onn LV, Bickle I, Chua HB, Telisinghe PU, Chong CF, Chong VH
    Malays Fam Physician, 2017;12(3):33-36.
    PMID: 29527279
    Urinary tract infection (UTI) is one of the most common presentations in general practice and, in most instances, occurs in a single episode and is easily treated with a course of anti-microbial therapy. In the case of recurrent urinary tract infections, it is important to consider evaluation for any underlying causes. We report the case of a 32 year old female who had recurrent UTIs; this was a case of recurrent UTI secondary to xanthogranulomatous pyelonephritis from renal stones with resultant reno-colic fistula formation.
    Matched MeSH terms: Brunei
  7. The application of chemometrics in metals source of identification in Brunei Bay surface sediment
    Ong MC, Yong JC, Shaari H, Joseph B, Shazili NAM, Pradit S, et al.
    Environ Geochem Health, 2023 Jun;45(6):3777-3787.
    PMID: 36574138 DOI: 10.1007/s10653-022-01456-w
    Brunei Bay is a unique ecosystem which offers a vast biodiversity. This study was carried out to define the source of metals in the surface sediment of Brunei Bay to ensure the bay's health. The secondary data were analysed using chemometrics analysis to verify the possible factors that influence metals distribution in Brunei Bay sediment. Samples were collected several times during 2013 to 2014 using Ponar grab at 16 stations within the bay. Samples were then dried, pre-treated, digested and analysed using Inductively Coupled Plasma Mass Spectrometry (ICPMS) in the laboratory. Overall, the mean concentration of metal, sediment pH and clay fraction were significantly changed during different sampling periods, as the changes were presumed affected by seasonal changes. The Pearson correlation has pointed that metals were dominantly derived by natural input; however, the total organic carbon was proven to be derived by anthropogenic sources. Moreover, the principal component analysis has verified that the distribution of metals in the bay's sediment was dominantly influenced by natural processes. However, the utilization and manipulation of marine resources are slightly affecting the bay's ecosystem which may deteriorate the ecosystem health soon.
    Matched MeSH terms: Brunei
  8. Fulltext Medication wastage and its disposal amongst patients at Suri Seri Begawan Hospital in Brunei Darussalam
    Nurolaini, K., Sultana, S.M., Wai See, W.
    Medicine & Health, 2016;11(2):139-150.
    MyJurnal
    Medication wastage poses a financial burden on the nation’s economy, as well as, environmental implications associated with wastage disposal. This study was conducted in a public hospital in Brunei and aimed to measure the extent of medication wastage and its disposal. This cross-sectional study used a self-designed questionnaire for patients attending outpatient pharmacy at the Suri Seri Begawan (SSB) hospital in which 253 patients participated over a period of two weeks. Exclusion criteria were: i) patients below 18 yrs, ii) patients visiting the Accident and Emergency Department and iii) patients admitted to the hospital. Majority of the participants were reported to have unused medication at home (75.1%, n=189). Nearly half (54.2%) had unused medicines and this was due to improvements in their medical conditions. Most of the participants (70.8%) were not given necessary advice on how to dispose their medicines in a proper manner. Majority disposed their unused medicines in the household garbage (70%), despite 50.2% (n=189) knowing that disposing of medicines in the garbage can cause detrimental effects on the environment. It was found that 47.7% of the participants would return their unused medicines back to the pharmacy, but in practice, only 18.6% did such. There was no significant association between knowing detrimental effects of medicine on
    the environment and returning their medicines to the pharmacy (p=0.065). Results showed that medication wastage exists in SSB hospital and patients’ knowledge and
    practices on its proper disposal was relatively poor. Health policy makers should be informed to implement wastage reduction strategies.
    Matched MeSH terms: Brunei
  9. Terrathelphusa secula, a new species of semiterrestrial freshwater crab (Crustacea: Brachyura: Gecarcinucidae) from Sabah, East Malaysia, Borneo
    Ng PK, Tan LW
    Zootaxa, 2015;4007(3):445-9.
    PMID: 26623825 DOI: 10.11646/zootaxa.4007.3.13
    A new species of semiterrestrial gecarcinucid freshwater crab, Terrathelphusa secula, is described from Danum Valley in Sabah, East Malaysia, eastern Borneo. In the form of its carapace, third maxilliped, and male second gonopod, it most closely resembles T. ovis Ng, 1997, and T. telur Ng, 1997, from eastern Sarawak and Brunei, respectively. It differs markedly from these and other congeners in its proportionately much wider carapace, and a male first gonopod that is strongly curved and sickle-shaped.
    Matched MeSH terms: Brunei
  10. Fulltext The South East Asian Federation of Organizations for Medical Physics (SEAFOMP): Its history and role in the ASEAN countries
    Ng Kh, Wong J
    Biomed Imaging Interv J, 2008 Apr;4(2):e21.
    PMID: 21614324 DOI: 10.2349/biij.4.2.21
    Informal discussion started in 1996 and the South East Asian Federation of Organizations for Medical Physics (SEAFOMP) was officially accepted as a regional chapter of the IOMP at the Chicago World Congress in 2000 with five member countries, namely Indonesia, Malaysia, Philippines, Singapore and Thailand. Professor Kwan-Hoong Ng served as the founding president until 2006. Brunei (2002) and Vietnam (2005) joined subsequently. We are very grateful to the founding members of SEAFOMP: Anchali Krisanachinda, Kwan-Hoong Ng, Agnette Peralta, Ratana Pirabul, Djarwani S Soejoko and Toh-Jui Wong.The objectives of SEAFOMP are to promote (i) co-operation and communication between medical physics organizations in the region; (ii) medical physics and related activities in the region; (iii) the advancement in status and standard of practice of the medical physics profession; (iv) to organize and/or sponsor international and regional conferences, meetings or courses; (v) to collaborate or affiliate with other scientific organizations.SEAFOMP has been organizing a series of congresses to promote scientific exchange and mutual support. The South East Asian Congress of Medical Physics (SEACOMP) series was held respectively in Kuala Lumpur (2001), Bangkok (2003), Kuala Lumpur (2004) and Jakarta (2006). The respective congress themes indicated the emphasis and status of development. The number of participants (countries in parentheses) was encouraging: 110 (17), 150 (16), 220 (23) and 126 (7).In honour of the late Professor John Cameron, an eponymous lecture was established. The inaugural John Cameron Lecture was delivered by Professor Willi Kalender in 2004. His lecture was titled "Recent Developments in Volume CT Scanning".
    Matched MeSH terms: Brunei
  11. Fulltext A comparative study of aerobic capacity – VO2 max between common ethnic populations of Sabah, Malaysia
    Nagesh Chodankar N., Vinoth Kumar, Urban John Arnold D’Souza, Ahmad Faris Abdullah
    Malaysian Journal of Medicine and Health Sciences, 2019;15(106):47-47.
    MyJurnal
    Introduction: Aerobic power reflects the physical fitness of the individual. Evidences support differences in phys-iological responses to exercise. There is less data on VO2 max among common ethnic population of Sabah. Ob-jective of this study was to investigate VO2 max among Kadazan, Dusun, Brunei Melayu, Bugis, Murut and others of Sabah in male and female young adult population. Methods: A total of 385 participants were randomly selected. Monark 894 E leg bicycle ergo meter was used to measure aerobic power VO2 max. Based on the heart rate male and female respectively 450 & 300 kilogram-force meter/minute was chosen. Based on Astrand rhyming nomogram (age correction factor included-VO2 Max multiplied by 1.05) calculations Vo2Max was calculated in l/min. The age correction done VO2 Max (l/min) was multiplied by 1000 and later divided by the body weight to derive the actual VO2Max in ml/kg/min. The recovery heart rate after 1 minute was taken and the difference were calculated for the further analysis. Data was tabulated and analysed by one way ANOVA test - Hocherberg’s GT2. Results: There was no significant difference in VO2 max between the common ethnic young adult population both in males and fe-males. Conclusion: There is no significant difference in VO2 max among the common ethnic adult but have a similar aerobic capacity in the study group.
    Matched MeSH terms: Brunei
  12. Review on pharmacological activities of Cinnamomum iners Reinw. ex Blume
    Mustaffa F, Indurkar J, Shah M, Ismail S, Mansor SM
    Nat Prod Res, 2013;27(10):888-95.
    PMID: 22574706 DOI: 10.1080/14786419.2012.678347
    This review describes the morphological, phytochemical and pharmacological properties of Cinnamomum iners Reinw. ex Blume (Lauraceae). The plant grows wild in the lowland of Malaysia, India, Myanmar, Indonesia, Thailand, Singapore, Brunei and Philippines. This plant is commonly used for its carminative, analgesic and antipyretic properties, for postpartum treatment, rheumatism and digestive ailments. This article enumerates an overview of phytochemical and pharmacological aspects that is useful to researchers for further exploration necessary for the development of this potential herb.
    Matched MeSH terms: Brunei
  13. Whistle description of Irrawaddy dolphins (Orcaella brevirostris) in Bay of Brunei, Sarawak, Malaysia
    Muhamad HM, Xu X, Zhang X, Jaaman SA, Muda AM
    J Acoust Soc Am, 2018 05;143(5):2708.
    PMID: 29857727 DOI: 10.1121/1.5036926
    Studies of Irrawaddy dolphins' acoustics assist in understanding the behaviour of the species and thereby conservation of this species. Whistle signals emitted by Irrawaddy dolphin within the Bay of Brunei in Malaysian waters were characterized. A total of 199 whistles were analysed from seven sightings between January and April 2016. Six types of whistles contours named constant, upsweep, downsweep, concave, convex, and sine were detected when the dolphins engaged in traveling, foraging, and socializing activities. The whistle durations ranged between 0.06 and 3.86 s. The minimum frequency recorded was 443 Hz [Mean = 6000 Hz, standard deviation (SD) = 2320 Hz] and the maximum frequency recorded was 16 071 Hz (Mean = 7139 Hz, SD = 2522 Hz). The mean frequency range (F.R.) for the whistles was 1148 Hz (Minimum F.R. = 0 Hz, Maximum F.R. = 4446 Hz; SD = 876 Hz). Whistles in the Bay of Brunei were compared with population recorded from the waters of Matang and Kalimantan. The comparisons showed differences in whistle duration, minimum frequency, start frequency, and number of inflection point. Variation in whistle occurrence and frequency may be associated with surface behaviour, ambient noise, and recording limitation. This will be an important element when planning a monitoring program.
    Matched MeSH terms: Brunei
  14. Fulltext Oesophageal tuberculosis: rare but not to be forgotten
    Momin RN, Chong VH
    Singapore Med J, 2012 Sep;53(9):e192-4.
    PMID: 23023913
    Tuberculosis remains an important cause of morbidity and mortality, especially in underdeveloped and developing nations. Manifestations could be nonspecific and may mimic many other conditions, including malignancies. Oesophageal involvement is surprisingly rare despite the high prevalence of pulmonary tuberculosis and the close proximity of these two structures. We report two cases of oesophageal tuberculosis; a 73-year-old man with simultaneous oesophageal, stomach and duodenal involvement, and a 45-year-old man with isolated oesophageal involvement. Underlying malignancies were initially suspected in both cases, but they were eventually diagnosed as tuberculosis.
    Matched MeSH terms: Brunei
  15. Fulltext Cosmetics: What Do Bruneian Female Adults Believe?
    Ming LC, Azmi NHR, Goh HP, Chaw LL, Goh KW, Elkudssiah Ismail N, et al.
    Int J Environ Res Public Health, 2022 Aug 25;19(17).
    PMID: 36078298 DOI: 10.3390/ijerph191710584
    OBJECTIVES: The study aimed to measure the level of attitudes and the current practices of the female community in Brunei Darussalam regarding the usage of cosmetics.

    METHODS: An online survey was conducted using a non-probabilistic snowball sampling approach via the social media channels WhatsApp and Instagram. The inclusion criteria were female Bruneian citizens or permanent residents, aged between 18 and 65 years old, who can understand English or Malay, and use cosmetic products at least once a day.

    RESULTS: A total of 445 participants responded to the online survey. Most of the participants agreed that the use of cosmetic products improves one's physical appearance to the public (391, 87.8%) and also improves self-confidence (405, 91.1%). There were significant differences in monthly cosmetic product expenses and participants' attitudes about safe cosmetic use (p = 0.001). No significant changes in the individuals' attitudes based on their age or educational level were observed. Overall, the participants had a good level of cosmetic safety practice. Almost half of the participants use social media to obtain information regarding what cosmetics to use or purchase.

    CONCLUSION: There is a medium to high level of attitude and a high level of practice regarding the safe use of cosmetics among Bruneian female adults. Social media was the main source of information for the respondents, followed by friend circle and family members.

    Matched MeSH terms: Brunei
  16. Malaria control in Borneo
    McArthur J
    Lancet, 1953;262:655-656.
    Matched MeSH terms: Brunei
  17. Malaria and its vectors in Borneo; a study of Borneo's greatest disease problem, and of the mosquitoes responsible for its transmission, throughout North Borneo and Labuan, Sarawak, Brunei and Dutch Borneo, to the end of the first half of the twentieth century
    McARTHUR J
    Indian J Malariol, 1950 Mar;4(1):1-90.
    PMID: 24538665
    Matched MeSH terms: Brunei
  18. The importance of borneo Anopheles; a study of the relative importance of the different species of Borneo Anopheles, from records of 24,000 dissections and other evidence, by observers throughout North Borneo and Labuan, Sarawak, Brunei and Dutch Borneo, 1914-49
    McARTHUR J
    Indian J Malariol, 1950 Dec;4(4):391-447.
    PMID: 14880191
    Matched MeSH terms: Brunei
  19. Five new species of Cleruchus from the Oriental region and report of Anaphes quinquearticulatus (Hymenoptera: Mymaridae) from India
    Manickavasagam S, Triapitsyn SV, Palanivel S
    Zootaxa, 2018 Feb 26;4387(1):134-156.
    PMID: 29690489 DOI: 10.11646/zootaxa.4387.1.6
    An overview of the Oriental species of Cleruchus Enock (Hymenoptera: Mymaridae) is given, and its five newly described species as well as one undescribed species from Malaysia are keyed. The described new taxa are C. funiculatus Manickavasagam Palanivel sp. n., C. indicus Manickavasagam Palanivel sp. n. and C. orientalis Manickavasagam Palanivel sp. n., all from India, C. blimp Triapitsyn sp. n. from Brunei, and C. pmilb Triapitsyn sp. n. from Thailand. Anaphes quinquearticulatus Huber Triapitsyn is newly reported from India.
    Matched MeSH terms: Brunei
  20. Fulltext Asymmetric Effect of Business Cycles on Population Health: Evidence From the ASEAN Countries
    Liu YH, Huang WH
    Front Public Health, 2020;8:32.
    PMID: 32154204 DOI: 10.3389/fpubh.2020.00032
    This study investigates the asymmetric effects of business cycles (measured by real GDP per capita) on population health (measured by life expectancy at birth) from the ASEAN countries, namely, Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, and Vietnam. The panel vector error correction model, together with various panel unit root tests and cointegration tests, suggested a hidden cointegrated relationship between life expectancy at birth and the positive and negative components of real GDP per capita, and the asymmetric effects of business cycles on population health were identified in both in the short run and in the long run. Policymakers should focus on the harmful effects of business cycles on population health, and government interventions should be more forceful in times of economic expansion than during periods of economic recession.
    Matched MeSH terms: Brunei
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