Displaying publications 301 - 320 of 8082 in total

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  1. Tan KS, Venketasubramanian N
    Case Rep Neurol, 2020 12 14;12(Suppl 1):1-3.
    PMID: 33505264 DOI: 10.1159/000510037
  2. Ng, S. K., Tan, T. B., Tan, P. F., Chong, G. H., Tan, C. P.
    MyJurnal
    The effect of selected high pressure processing (HPP) parameters on the sensory attributes and
    shelf life of jackfruit bulb packed using vacuum skin (VS) and vacuum nylon (VN) packaging
    was studied. The samples were stored at chilled temperature (4°C) for shelf life study. HPP
    significantly (p < 0.05) increased the shelf life of VS- and VP-packed jackfruit bulbs to 60 d
    during chilled storage. In terms of colour stability during storage, both VS- and VP-packed
    HP-treated jackfruit bulbs exhibited no significant differences (p > 0.05) in L*, a*, and b*
    values. Also, the VS- and VP-packed HP-treated samples exhibited no significant differences
    (p > 0.05) in terms of texture. However, the sensory evaluation carried out among 48 panellists
    showed that there were significant differences (p < 0.05) between the untreated and HP-treated jackfruit bulbs. The aforementioned results had proven that HPP treatment of 500 MPa for
    5 min could successfully extend the shelf life and retain the physicochemical properties of
    jackfruit bulbs, regardless of the types of packaging used.
  3. Roshan S, Tan SW
    Med J Malaysia, 2020 09;75(5):600-602.
    PMID: 32918437
    Mycoplasma pneumonia is a common cause of respiratory disease and more so in school going children. The spectrum of the manifestations range from haematological, dermatological, neurological, musculoskeletal, renal, cardiac and also gastrointestinal. The treatment approach has varied over time. In this report we would like to share our experience in a case of M.pneumonia with autoimmune haemolytic anaemia (AIHA).
  4. Cheong E, Tan L
    Malays Orthop J, 2021 Jul;15(2):159-162.
    PMID: 34429837 DOI: 10.5704/MOJ.2107.023
    Tibial tuberosity avulsion injuries are rare and result from direct trauma to the tibial tuberosity or forceful and repetitive contraction of the quadriceps muscles. In this case series, we describe a novel method of defunctioning the patella tendon using a suture anchor after a tibial tuberosity avulsion fracture repair was performed. We present three consecutive patients with tibial tuberosity avulsion fractures who were treated by the same surgeon using the technique described. Pre and post-operative range of motion of the knee joint were then reviewed retrospectively. All patients achieved pre-injury range of motion within three months post-operatively. In conclusion, defunctioning the patellar tendon with a suture anchor is a reliable and reproducible technique. The new technique yielded excellent functional outcomes which allowed patients to regain their pre-injury range of motion and the strength of the construct allows early range of motion.
  5. Ismail A, Tan S
    Malays J Nutr, 2002 Sep;8(2):167-77.
    PMID: 22692475 MyJurnal
    This study aims to evaluate the antioxidant activity (total antioxidant and free radical scavenging activities) of seaweeds commercially available in the Malaysian supermarket. Four types of seaweeds namely Nori (Porphyra sp.), Kumbu (Laminaria sp.), Wakame (Undaria sp.) and Hijiki (Hijikia sp.) were used in the study. The extracts were prepared with water and ethanol, respectively. The b-carotene bleaching and 1,1-diphenyl-2-picrylhydrazyl (DPPH) assays were used to determine antioxidant properties of seaweeds by measuring the decrease in absorbance at 470 and 517 nm. In water extract, Kumbu showed the highest total antioxidant activity of 63% compared with other samples. Kumbu, Nori and Hijiki exhibited higher radical scavenging activity than Wakame when extracted with water. Wakame exhibited the highest antioxidant and free radical scavenging activities in ethanolic extract with 58% and EC50 = 0.42 mg/ml respectively. The results of ANOVA analysis show significant differences (p<0.05) in the means of total antioxidant and free radical scavenging activities of the seaweeds. The results showed that processed commercial seaweeds exhibited varying degrees of antioxidant properties.
  6. Tan NH, Armugam A
    Toxicon, 1990;28(10):1193-8.
    PMID: 2264068
    The in vivo interactions between alpha-neurotoxin, cardiotoxin and two phospholipases A2 (sputa-phospholipase A2-1 and 3) isolated from Malayan cobra venom were assessed by examining the effects of simultaneous injection of sub-LD50 dose of one toxin on (i) i.v. LD50 S of the other toxins in mice; and (ii) mean survival times of mice injected with lethal doses of the other toxins. While LD50 measurements did not reveal any interaction between the toxins in vivo, survival time measurements suggest a synergy between the neurotoxin and sputa-phospholipase A2-1 and between sputa-phospholipase A2-1 and sputa-phospholipase A2-3. Our results also suggest that both sputa-phospholipases A2 interfere with the lethal action of the cardiotoxin, resulting in prolongation of the mean survival time of mice injected with a lethal dose of cardiotoxin. The patterns of in vivo interactions between phospholipase A2 and other venom toxins appear to depend on the nature and mode of pharmacological action of the phospholipase A2.
  7. Tan NH, Ponnudurai G
    Toxicon, 1994 Oct;32(10):1265-9.
    PMID: 7846697
    Indirect ELISA shows that the antibodies to Calloselasma rhodostoma venom hemorrhagin (CR-HMG), thrombin-like enzyme (CR-TLE) and L-amino acid oxidase (CR-LAAO) exhibited strong to moderate cross-reactions with most crotalid and viperid venoms, but only anti-CR-LAAO cross-reacted with the elapid venoms. However, the indirect ELISA failed to detect some antigenic similarities demonstrable by cross-neutralization study. The double-sandwich ELISA for the three anti-C. rhodostoma venom components exhibited a much lower level of cross-reactions than the indirect ELISA.
  8. Tan YH, Alias Z
    Trop Biomed, 2020 Sep 01;37(3):744-755.
    PMID: 33612787 DOI: 10.47665/tb.37.3.744
    The study was aimed to investigate the expression of cytosolic and thiolated proteins of Musca domestica larvae under oxidative stress. Proteins from acute treatment of hydrogen peroxide (LC50 = 21.52% (v/v)) on 3rd stage larvae of housefly were extracted and purified using an activated Thiol Sepharose® for thiolated protein purification. Two dimensional gel electrophoresis was used for visualizing and analyzing expression of cytosolic and thiolated proteins. Protein spots with more than 5 fold of expression change were identified using liquid chromatography- tandem mass spectrometry (LC-MS/MS). The cytosolic proteins were actin, tropomyosin, ubiquitin, arginine kinase, pheromone binding protein/general odorant binding protein, and ATP: guanidino phosphotransferase. The thiolated proteins with more than 5 fold change in expression as an effect to the acute treatment were fructose bisphosphate aldolase, short chain dehydrogenase and lactate/malate dehydrogenase. The proteins identified in the study should provide vital information for future reference in oxidative stress defence and response occurring in houseflies.
  9. Tan KL, Yadav H
    J Health Psychol, 2013 Jan;18(1):121-7.
    PMID: 22322990 DOI: 10.1177/1359105311433908
    This community based cross-sectional study examined the prevalence and factors associated with depression among urban poor in Peninsular Malaysia. The Patient Health Questionnaire (PHQ-9) was used to determine the presence or absence of depression. The prevalence of depression among the urban poor was 12.3%. Factors significantly associated with depression included respondents under 25 years old, male gender, living in the area for less than four years and those who do not exercise regularly. It is important to identify individuals with depression and its associated factors early because depression can severely affect the quality of life.
  10. Tan HW, Misran M
    Int J Pharm, 2013 Jan 30;441(1-2):414-23.
    PMID: 23174410 DOI: 10.1016/j.ijpharm.2012.11.013
    In this study, the preparation of N-pamitoyl chitosan (ChP) anchored oleic acid (OA) liposome was demonstrated. Two different types of water-soluble ChPs with different degrees of acylation (DA) were selected for this study. The presence of ChPs on the surface of OA liposome was confirmed with their micrographs and physicochemical properties. The "peeling off" effect on the surface of the ChP-anchored OA (OAChP) liposomes was observed on the atomic force microscope micrographs and confirmed the presence of the ChPs layer on the liposome surface. The surface tension of the OAChPs liposome solution was found to be higher than that of the OA liposome solution. This result indicated the removal of OA monomer by ChPs from the air-water interface. The increase in the minimum area per headgroup (A(min)) of the OA with the presence of ChPs has further proved the interaction between OA monomer and the hydrophobic moieties of the ChPs. The ChPs anchored onto the OA monolayer increased the curvature of the OAChP liposomes monolayer and reduced the liposome size. The size of the OAChP liposomes was reduced by 30 nm as compared with the unmodified OA liposome. Results revealed that the anchored ChPs can improve the integrity and rigidity of the OA liposome.
  11. Tan SH, Prepageran N
    QJM, 2018 Oct 01;111(10):743.
    PMID: 29660085 DOI: 10.1093/qjmed/hcy084
  12. Tan KA, Fernandez A
    Psychiatr Rehabil J, 2018 Dec;41(4):336-340.
    PMID: 29939040 DOI: 10.1037/prj0000308
    OBJECTIVE: Without a reliable and valid tool, it is neither possible to gauge recovery orientation of persons with serious mental illness nor to evaluate whether existing mental health system encourages recovery in both its policies and current practice in Malaysia. Therefore, the aim of this study was to examine the reliability and factor structure of the Malay version of the Recovery Self-Assessment (RSA-PIRV-M) in a psychiatric sample.

    METHOD: Psychiatric patients were eligible for recruitment to the study, when they fulfilled the following criteria: a diagnosis of schizophrenia, were aged between 18- and 65-years-old, and were able to give consent themselves. We recruited 118 individuals with schizophrenia. They were selected via systematic random sampling technique. All RSA-PIRV-M items were derived from the parent scale. These items were translated based on established procedures. The reliability estimates of the RSA-PIRV-M were based on Cronbach's alpha. We performed confirmatory factor analyses to examine the factor structure of the RSA-PIRV-M.

    RESULTS: All Cronbach's alphas for the RSA-PIRV-M subscales were at least .70. With respect to the factor structure of the RSA-PIRV-M, our structural equation modeling findings suggest a five-factor model encompassing life goals, involvement, diversity of treatment options, choice, and individually-tailored services.

    CONCLUSIONS AND IMPLICATIONS FOR PRACTICE: The interpretation of our findings is limited by small sample size, unique sample characteristics, and lack of further evidence for convergent validity. Notwithstanding these limitations, the RSA-PIRV-M is a promising tool in bridging gaps between our knowledge on recovery orientation and existing mental health service provision in Malaysia. (PsycINFO Database Record (c) 2018 APA, all rights reserved).

  13. Tan SY, Hatah E
    Int J Clin Pharm, 2017 Apr;39(2):450-458.
    PMID: 28108846 DOI: 10.1007/s11096-017-0425-7
    Background Research utilization is part of evidence-based practice referring to the process of reviewing and critiquing scientific research and applying the findings to one's own clinical practice. Many studies on research utilization have been conducted with doctors and nurses, but to our knowledge, none have been investigated amongst pharmacists. Objective To assess research utilization and its barriers among pharmacists and identify potential influencing factors. Setting Malaysia. Methods This cross-sectional survey was administered online and by mail to a convenient sample of pharmacists working in hospitals, health clinics, and retail pharmacies in rural and urban areas. Main outcome measure Pharmacists' research utilization knowledge, attitudes, and practices. Results Six hundred surveys were mailed to potential respondents, and 466 were returned (77.7% response rate). Twenty-eight respondents completed the survey online. The respondents' research utilization knowledge, attitudes, and practices were found to be moderate. Research utilization was associated with respondents' knowledge and attitude scores (P 
  14. Tan P L
    ISBN: 978-967-5832-27-7
    Citation: Tan PL. An Uncommon Hero: MK Rajakumar in Politics and Medicine. Petaling Jaya,
    Selangor, Malaysia: Strategic Information and Research Development Centre; 2011.

    Many witness momentous events in their lives, but few participate, much less leave their mark. Dr M K Rajakumar, on the contrary, left an indelible mark at every phase of his eventful life.
  15. Tan K H
    Aliran Monthly, 2008;28(10):24-25.
    Commemorative articles on M K Rajakumar
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