MyMedR (Malaysian Medical Repository) is an open access collection of Malaysian health and biomedical research. The materials are imported from PubMed and MyJurnal. We gratefully acknowledge the permission to reuse the materials from the National Library of Medicine of the United States and the Malaysian Citation Centre. This project is funded by Academy of Family Physicians of Malaysia. The project team members are: CL Teng, CJ Ng, EM Khoo, Mastura Ismail, Abrizah Abdullah, TK Chiew, Thanaletchumi Dharmalingam.

Please note that some citations are non-Malaysian publications. Common reasons are: (1) One or more authors had a Malaysian affiliation; (2) The article abstract mentioned Malaysia; (3) The study subjects included Malay ethnic group.

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  1. Wan Nor Shela Ezwane Wan Jusoh, Md Razak Daud
    Energy consumption is an important part of life today because without the power a work cannot be done. The energy used today will be lost or waste without renewable energy or power recycle back. In reality, energy use has always had a noticeable impact on the environment. Overconsumption of energy is the main trigger for the global warming that is now threatening to cause devastation in many areas of the world. Each year, electricity consumption in Malaysia is always an increase. This can contribute to the occurrence of global warming. This project will be designed for renewable energy or recycle power to avoid waste of energy from lost. Also, this project consider regarding the Green Technology without polluting the environment. The objective is to develop a prototype or hardware that aims to renewable energy using the 12V DC Motor as a generator which is use rear shaft of table fan as a medium to drive the 12V DC Motor and also to analyze the power consumption of table fan before and after install with hardware. The methods used to design the connector and DC motor holder is using a solidwork software, then construct the circuit simulation using a proteus software and also use a microcontroller PIC16F877A as a controller. The result obtained from the testing and experiments by integrating the hardware part, electrical part and software part. Finally, with the development of a power recycling prototype for renewable energy using DC Motor application, the wasted energy can be reused from conversion to other energy and energy can be used as renewable energy.
    MeSH terms: Animals; Electricity; Malaysia; Proteidae; Proteus; Software; Global Warming; Recycling; Renewable Energy
  2. Muhamad Sani bin Buang, Zalaida bt Talib, Dr Norhayati bt. Zakaria, Dr Shahrul Azam bin Abdullah, Hashim bin Abdullah
    The use of advanced high strength steels as a metal in sheet metal forming in automotive industry currently has been increased where Advanced High Strength Steel (AHSS) especially Dual Phase (DP590) Steels have gained a great attention due to a combination of high strength and good formability. However, one of the major constraints in forming AHSS is the occurrence of high spring back caused by elastic relaxation after loading, which causes illness-fitting in part assembly and geometric deviation of the intended design. Spring back is the main problem of defect that occurs at sheet metal after the bending process which creates problems for the parts during the assembly. This paper presents an investigation the effect of spring back on bending test of Dual Phase Steel (DP590). Punch travel and thickness are among factors affecting the spring back behavior. Various parameter value; punch radius (5mm), die radius (5mm), die gap (70mm), thickness of specimen 1mm and 2mm, punch travel/stroke (25%, 50%, 75%, 100%) from 20 mm depth, punch speed (2mm/min) and Orientation of sheet cutting, which is in rolling (00°),diagonal (45°) and transverse (90°). From the analysis of V-bending test punch travel, thickness and orientation of sheet cutting are significant factor that affecting the spring back phenomena. The result form this experiment could be useful for design engineers and manufacturing engineers to make improvement of predict the spring back behavior and also to understanding the material properties of AHSS in order to eliminate spring back and achieve good final product.
  3. Md Razak Daud, Wan Nor Shela Ezwane Wan Jusoh, Syahrullail Samion
    This study investigates metal removal rate (MRR) of the biomaterial by using discharge machine Neuar CNC A50 Electrical Discharge Machine Die Sinking (EDM DS). The purpose of this study is to compare machining curvature cup for material SKD 11 and stainless steel with shape curvature cup acetabular. The result showed that electrode wear is higher when high current is applied. For each applied current 0.5A and 3.0A could result electrode wear of 0.236 mm, 0.246 mm and 0.269 mm respectively. Mean time of complete discharged for each pit with 0.3mm depth with supply 0. 5A is 6.51 minutes; 1. 5A is 3.54 minutes and 3A is 1.52 minutes. The biggest mean parameter of the pit is 0.356 mm, with 3A of current is applied. From this study, it can be concluded that low current set may give lower electrode copper wear. The experiment will help a researcher to discharge biomaterial types of metal with small size of copper electrode use of EDM DS Neuar for discharge multi hole or micro pit.
    MeSH terms: Acetabulum; Biocompatible Materials; Copper; Electricity; Electrodes; Metals; Stainless Steel
  4. Westermeyer J
    Arch. Gen. Psychiatry, 1973 Jun;28(6):873-6.
    PMID: 4707993
    MeSH terms: Antisocial Personality Disorder/epidemiology*; Epidemiologic Methods; Homicide*; Humans; Malaysia; Philippines; Psychological Theory; Thailand; Violence*
  5. Huang LT, Phares R, Hollender MH
    Arch. Gen. Psychiatry, 1976 Jan;33(1):41-3.
    PMID: 1247362
    In a previous study, it was noted that "a strong desire to be held or cuddled correlated with a general leaning toward openness in emotional expression." As is well known, some cultures foster openness, while others do not. This project was designed to assess the influence of cultural attitudes on the wish to be held. To do so, questionnaires were given to five groups of Asian women living in Kuala Lumpur, Malaysia. The most striking differences found were between two groups of Chinese women, one Chinese-educated, and the other, English-educated. The Chinese-educated group inhibited the expression of sensual needs. An English education overturned the traditional mode of response; women in this group scored highest in their wish to be held and lowest in their inclination to keep their body-contact desires secret. This study demonstrates that cultural as well as psychological forces exert a profound influence on the wish to be held.
    MeSH terms: Attitude*; China/ethnology; Conflict (Psychology); Cross-Cultural Comparison*; Education; England; Female; Handling (Psychology)*; Humans; India/ethnology; Inhibition (Psychology); Malaysia; Pregnancy; Repression, Psychology; Sexual Behavior
  6. Greer KE, Askew FC, Richardson DR
    Arch Dermatol, 1976 Sep;112(9):1267-9.
    PMID: 136925
    A 41-year-old patient with hepatolenticular degeneration (Wilson disease), who had been treated for 15 years with penicillamine, developed small white papules at sites of venipuncture in the antecubital fossae and at surgical suture sites. Histologically, these papules showed focal areas of connective tissue degeneration in the dermis, but there was no evidence of inclusion cysts. The changes most likely resulted from the effect of penicillamine on new connective tissue formation at the sites of injury. The patient also developed crinkling of the skin of her face and neck while on the penicillamine regimen, and these changes were attributed, at least in part, to the effects of this drug on connective tissue.
    MeSH terms: Adult; Drug Eruptions/etiology*; Female; Hepatolenticular Degeneration/drug therapy*; Hepatolenticular Degeneration/pathology; Humans; Malaysia
  7. Pettit JH
    Arch Dermatol, 1976 Sep;112(9):1324.
    PMID: 999315
    MeSH terms: Humans; Malaysia; Pacific Islands; Philippines; Scabies/epidemiology*; Vietnam
  8. Rajagopalan K, Tay CH
    Arch Dermatol, 1977 Apr;113(4):481-5.
    PMID: 139851
    Hidrotic ectodermaldysplasia was found, to our knowledge, for the first time in a Chinese family in Malaysia, and it affected 15 members in five generations. The disease, which is transmitted as a non-sex-linked autosomal dominant trait, presumably originated from southern China. All 15 members had the typical nail, hair, and skin lesions, and we observed three different types of nail defects. Scalp alopeica was more extensive in the female members while keratoderma of the palms and soles was more notable in the male members. The nail and skin lesions also became severer with age. Except for the infectious eczematoid dermatitis present in the propositus, none had other skin or systemic disorders. All were relatively healthy and had normal life expectancies;
    MeSH terms: Adult; Alopecia/genetics; China/ethnology; Ectodermal Dysplasia/genetics*; Foot Dermatoses/genetics; Hand Dermatoses/genetics; Humans; Keratoderma, Palmoplantar/genetics; Malaysia; Male; Nails, Malformed/genetics; Pedigree
  9. Tan CT
    Arch. Neurol., 1988 Jun;45(6):624-7.
    PMID: 3369969
    Thirty consecutive patients from peninsular Malaysia with clinically definite multiple sclerosis were studied; 80% were ethnic Chinese, with a female-male ratio of 5:1. The average age at onset was 29.7 years, with one relapse average every 1.9 years. Optic-spinal recurrence was the most common clinical pattern of the disease, accounting for 63.3% (19/30) of the cases. All the patients had spinal cord involvement sometime during the course of the illness. The mortality was high at 36.7% (11/30), with an average duration of symptoms of 7.6 years. There was characteristic severe residual visual and motor disability. At the time of the last examination, 12 patients had bilateral optic atrophy with blindness or severe visual acuity impairment. Sixteen patients were bedridden or confined to a wheelchair. The severe motor disability reflected the severe spinal cord involvement. It was the main factor that accounted for the high mortality. The cerebral, cerebellar, and brain-stem involvements were, however, generally transient. None of the patients' had a family history of similar illness despite the average sibling size of six. There was no example of Devic's disease. The clinical pattern was closest to those patients who presented from Taiwan.
    MeSH terms: Adult; China/ethnology; Female; Humans; Malaysia; Male; Multiple Sclerosis/complications*; Multiple Sclerosis/epidemiology; Nervous System Diseases/etiology
  10. Whittaker DK, Bakri MM
    Arch. Oral Biol., 1996 Jan;41(1):15-9.
    PMID: 8833585
    One hundred and ninety-eight single-rooted teeth from individuals aged 21-90 yr of Caucasian, Malay, Chinese Malay and Indian Malay origin were studied. Single or serial longitudinal sections of extracted teeth were cut following dye imbibition of patent dentinal tubules. The extent of sclerosis of apical dentinal tubules was assessed and correlated with the age of the individual. Correlation with age was higher in the Caucasian than the Malay races and within the Malaysian racial groups correlation with age was highest in the Malays and lowest in the Chinese. It is concluded that factors other than age may be important in the formation of sclerotic apical dentine in teeth of different racial origin. The effect of racial origin should be considered when using sclerosis as a means of age determination in forensic cases.
    MeSH terms: Adult; Age Determination by Teeth; Aged; Aged, 80 and over; Aging/pathology*; Calcinosis/pathology; China; Dentin/ultrastructure*; Dentin, Secondary/pathology; Coloring Agents; Forensic Dentistry; Humans; Image Processing, Computer-Assisted; India; Malaysia; Middle Aged; Tooth Root/ultrastructure*; Reproducibility of Results; European Continental Ancestry Group*; Asian Continental Ancestry Group*
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