Browse publications by year: 2018

  1. Mohd Salim NS, Umar MA, Shaharudin S
    J Taibah Univ Med Sci, 2018 Dec;13(6):576-581.
    PMID: 31435381 DOI: 10.1016/j.jtumed.2018.10.007
    Objectives: The isokinetic evaluation of the ankle joint is important in determining the effectiveness of the rehabilitation programme for the management of ankle sprains. This study aimed to determine the effects of physiotherapy programme on isokinetic variables in individuals with grade I ankle sprains.

    Methods: Seven patients with acute grade 1 ankle sprain (15 days of ankle sprain) were recruited. They were provided with 7 days of protection, optimal loading, ice, compression, and elevation (POLICE) treatment, and the standard physiotherapy programme consisted of towel stretching and balancing exercises on one leg. Pain scale score was recorded daily during the physiotherapy programme. The isokinetic ankle strengths of the patient's injured and uninjured legs were compared before and after the physiotherapy programme. Isokinetic tests were conducted in painless range of motion for the injured leg.

    Results: Pain was significantly reduced after the patients underwent the standard physiotherapy programme. No significant differences were observed in terms of the ankle peak torque, time to peak torque, and ankle plantar flexion-to-dorsiflexion ratio of the injured and uninjured legs. The injured leg showed significant improvement in terms of ankle eversion-to-inversion ratio (E:I) after 7 days of performing the standard physiotherapy programme.

    Conclusion: Performing the standard physiotherapy programme for 1 week reduces pain and improves the ankle E:I in patients with grade 1 ankle sprain.

    MeSH terms: Ankle; Ankle Joint; Exercise Therapy; Humans; Ice; Pain; Range of Motion, Articular; Police; Ankle Injuries; Torque; Physical Therapy Modalities
  2. Aszrin A, Azarisman SM, Jamaluddin RA, Tariq RA, Noriah NM
    Introduction: Prehypertension precedes overt hypertension and has been acknowledged by many guidelines. Hypertension is an important risk factor for cardiovascular disease in Malaysia. Hypertension prevalence is at 42.6% and population-based control is poor at 26.8%. The objective of the study is to ascertain the cardiovascular risk profile of prehypertensive and mildly hypertensive young adults against age-matched controls in rural Malaysia. Methods: 484 (four hundred and eighty four) subjects attending primary care clinic were screened. 91 (Ninety one) young adults with pre/mild hypertension and normotensive, agematched controls were enrolled. The blood pressure and biochemical profiles for both groups were assessed and compared. Results: Fifty-four subjects and 37 controls were enrolled. Amongst subjects, 46.3% had prehypertension and 53.7% had mild hypertension. Mean values compared to age-matched controls for MAP were 102.68 ± 7.48 vs 83.25 ± 6.08 mmHg (p< 0.001), LDL 3.75 ± 0.95 vs 3.32 ± 0.93 mmol/L (p=0.03), FBG 4.65 ± 0.54 vs 4.33 ± 0.42 mmol/L (p=0.03), BMI 28.81 ± 5.16 vs 24.12 ± 4.91 (p< 0.001). The mean BP was significantly associated with BMI, FBG, triglycerides, HDL and the TC/HDL ratio. Conclusions: Greater BMI, FBG, HDL, triglyceride levels and TC/HDL ratio characterised the young adults with pre/mild hypertension. The data suggests that hypertension in young adults is secondary to metabolic syndrome. © 2018, International Islamic University Malaysia.
    MeSH terms: Ambulatory Care Facilities; Cross-Sectional Studies; Humans; Hypertension; Malaysia; Prevalence; Metabolic Syndrome X; Prehypertension
  3. Tengku Mohd Saifuddin, Aida Farina Ismail, Noorul Amilin Harun
    MyJurnal
    Manic symptoms secondary to post dengue fever are rare or might be underreported. Awareness of this phenomenon is important for therapeutic
    considerations of patients. We present a case of late onset mania in an elderly
    gentleman who developed manic symptoms post dengue fever.
    MeSH terms: Aged; Awareness; Bipolar Disorder; Dengue; Humans
  4. Tengku Mohd Saifuddin, Chong Wei Wei, Aida Farina Ismail, Noorul Amilin Harun
    MyJurnal
    Alcohol-induced psychotic disorder (AIPD) is a rare complication of alcohol
    abuse which is characterized by an acute onset of auditory or visual
    hallucinations that occur either during or after a period of heavy alcohol
    consumption. Other symptoms include delusions, thought disorder,
    psychomotor disturbances, and abnormal affect. To establish the diagnosis,
    one must rule out other disorders such as alcohol withdrawal delirium or
    other psychotic disorders. Although it is well recognised, relatively little is
    known about the condition. Moreover, the pathogenesis and treatment of
    AIPD are still unclear despite high co-morbidity with other psychiatric
    disorders, high re-hospitalization as well as mortality rates and suicidal
    behaviour. Therefore, the prognosis appears less favourable. We present a
    case of young man with AIPD with suicidal attempt secondary to auditory
    hallucination.
    MeSH terms: Alcohol Withdrawal Delirium; Alcohols; Delusions; Hallucinations; Hospitalization; Humans; Male; Prognosis; Psychoses, Alcoholic; Psychotic Disorders
  5. Thong Kai Shin, Seed, Hon Fei
    MyJurnal
    Decision making capacity is the basis for medical decision making. A person’s right to determine his or her own health care related decision has long been established and this forms the essence of medical treatment. This fundamental right extends to patients with mental health disorder who have the capacity to make such decisions. Where a mental disorder is evident, our experiences in the local settings suggested that clinicians are inclined to state that incapacity to decide for medical treatment is present without much assessment or exploration and explanation on the proposed treatment. Many patients with mental disorder in fact are capable at making decisions related to health care. Their rights to decide on medical treatment should be respected and not to be ignored.
    MeSH terms: Clinical Decision-Making; Decision Making; Female; Humans; Mental Health; Psychotic Disorders
  6. Lee, Toh Chin, Ng, Chong Guan, Benedict Francis, Tan, Shean Yen
    MyJurnal
    We are aware of the shortage of psychiatrists in Malaysia.
    However, there is no formal report on the distribution and ratio of
    psychiatrists in each state in Malaysia. We aim to do a detailed count of the
    number of psychiatrists in the country. Methods: We obtained the figures for
    the psychiatrists practicing in the government, private and university settings
    by accessing the Ministry of Health database, information from the
    Malaysian Psychiatric Association, Malaysian Mental Health Association,
    National Specialist Register and websites of the respective Universities. The
    total number and ratio of psychiatrists per 100,000 population are calculated.
    Results: There was a total of 410 registered psychiatrists in Malaysia in the
    private universities, private clinics, public universities and government
    hospitals. The state with the highest number of psychiatrists is Wilayah
    Persekutuan Kuala Lumpur with a total of 94 psychiatrists which has a ratio
    of 5.24 per 100, 000 population followed by Wilayah Persekutuan Putrajaya
    with 3.38 per 100,000 population. The states with the least ratio of
    psychiatrists are Sabah with 0.54 and Kedah with 0.55 per 100, 000
    population. Conclusion: There is a discrepancy in the geographical
    distribution of psychiatrists in Malaysia. People living in larger, urban states
    have better access to mental health care whereas the smaller states face a
    serious lack of psychiatrists. More effort should be taken to improve mental
    healthcare in Malaysia as recommended by WHO with one psychiatrist for
    every 10, 000 population.
    MeSH terms: Government; Hospitals; Malaysia; Mental Health; Mental Health Associations; Psychiatry; Specialization; Universities; World Health Organization
  7. Huber S, Fieder M
    Am J Hum Biol, 2018 01;30(1).
    PMID: 28960565 DOI: 10.1002/ajhb.23064
    OBJECTIVES: Homogamy, mating based on similarity, has been demonstrated for a great variety of traits such as age, education, religion, and physical and psychological traits. Recently, pro-fertile effects of religious as well as educational homogamy have been reported. We investigate whether ethnic homogamy also has a pro-fertile effect and whether ethnic and religious homogamy interact in their putative effects on reproduction (in terms of average number of offspring).

    METHODS: We analyzed the association between ethnic as well as religious homogamy and woman's average number of offspring based on census data from ten countries provided by IPUMS international, encompassing a total of 1,485,433 married women aged 46-60 years (who have thus completed or almost completed reproduction) and their spouses.

    RESULTS: We find a clear pro-fertile but nonadditive effect of both ethnic and religious homogamy, which is most pronounced in the case of double homogamy. Our results further indicate that homogamy for one trait may compensate for heterogamy of the other, albeit countries differ regarding which trait compensates for the other.

    CONCLUSIONS: We suggest that the interaction between ethnic homogamy, religious homogamy, and reproduction provides an interesting example for gene-culture co-evolution.

    MeSH terms: Ethnic Groups*; Female; Fertility*; Fiji; Ghana; Humans; Indonesia; Malawi; Malaysia; Marriage/statistics & numerical data*; Middle Aged; Religion*; Reproduction*; Romania; Senegal; Sierra Leone; Uganda; Zambia
  8. Wong WCW, Lo YR, Jiang S, Peng M, Zhu S, Kidd MR, et al.
    Fam Pract, 2018 12 12;35(6):731-737.
    PMID: 29741661 DOI: 10.1093/fampra/cmy032
    Objective: The study aimed to decentralize hepatitis testing and management services to primary care in China.

    Methods: A nationwide representative provider survey amongst community health centres (CHCs) using randomized stratified sampling methods was conducted between September and December 2015. One hundred and eighty CHCs and frontline primary care practitioners from 20 cities across three administrative regions of Western, Central and Eastern China were invited to participate.

    Results: One hundred and forty-nine clinicians-in-charge (79%), 1734 doctors and 1846 nurses participated (86%). Majority of CHCs (80%, 95% CI: 74-87) offered hepatitis B testing, but just over half (55%, 95% CI: 46-65) offered hepatitis C testing. The majority of doctors (87%) and nurses (85%) felt that there were benefits for providing hepatitis testing at CHCs. The major barriers for not offering hepatitis testing were lack of training (54%) and financial support (23%). Multivariate analysis showed that the major determinants for CHCs to offer hepatitis B and C testing were the number of nurses (AOR 1.1) and written policies for hepatitis B diagnosis (AOR 12.7-27.1), and for hepatitis B the availability of reproductive health service.

    Conclusions: Primary care providers in China could play a pivotal role in screening, diagnosing and treating millions of people with chronic hepatitis B and C in China.

    MeSH terms: Adult; China/epidemiology; Community Health Centers; Diagnostic Tests, Routine/methods*; Female; Hepatitis, Chronic/diagnosis*; Hepatitis, Chronic/epidemiology; Hepatitis, Chronic/therapy*; Humans; Male; Mass Screening/methods*; Patient Care Team; Primary Health Care*; Surveys and Questionnaires
  9. 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.
    MeSH terms: Animals; Anti-Bacterial Agents; Disasters; Doxycycline; Humans; Leptospirosis; Malaysia; Risk; Sports; Zoonoses; Cohort Studies; Incidence; Odds Ratio; Antibiotic Prophylaxis; PubMed
  10. Nor Izzati Hussain, Mohd Hanif Abdullah
    MyJurnal
    Surface water quality is an important environmental factor affecting both humans and other living things.
    This present study is purposely to provide a baseline information on physicochemical parameters and
    metals concentration from surface water of Kenyir Lake and their water quality status. Determination of
    metals concentration was carried out using ICP-MS. The mean physicochemical parameters were 31.14°C
    (Temp), 16.29mg/L (TDS), 27.79µS/cm (COND), 4.75mg/L (DO), 7.03 (pH), 1.33NTU (TUR), 0.96mg/L
    (BOD), 6.48mg/L (COD), 0.11mg/L (AN), 2.17mg/L (TSS) and 227.10mV (ORP) while the mean
    concentration of metals (µg/L) Al 23.0845, As 0.2983, B 4.1711, Ba 5.0655, Ca 2033.4024, Cu 1.7407, Fe
    43.7747, K 916.9054, Mg 456.7255, Mn 4.7387, Ni 0.3346, Se 0.5032, V 0.1428 and Zn 1.6796 respectively.
    The results revealed that physicochemical parameters and metals concentration at all sampling stations
    near Kenyir Lake are within Class I and Class II of Malaysia National Water Quality Standard (NWQS)
    except for dissolved oxygen (DO) that was classified into Class III and Class IV due to high activities of
    microorganisms that uses up a great amount of oxygen to carry out their metabolizing activities as well as
    degradation of organic matters. Furthermore, most metals are significantly correlated to each other (p˂0.05)
    which may derive from a common source of metals except for Al and Cu, As and Fe, Ba and Ca, Ca and
    Cu, Ca and Se, Ca and Zn, Cu and Fe, Cu and Mn, Cu and Ni, Cu and Se, Cu and Zn, Fe and Ni, Fe and
    Se, Fe and Zn, Mn and Zn and V and Zn respectively. Therefore, data from the present study will be useful
    as baseline data for future reference.
  11. Ong, Ying Qian, Hasmiza Halib, Bee, Suan Wee
    MyJurnal
    In Malaysia, breakfast is the most frequently skipped meal. Skipping breakfast has been
    associated with an increased risk of childhood obesity. However, this relationship has not been
    investigated widely among preschoolers in Malaysia. Hence, this cross-sectional study aimed to
    determine the association between breakfast intake and Body Mass Index (BMI) among
    preschoolers in Taska Permata Keluarga (TPK), Kuala Nerus. A total of 131 Malays preschoolers
    aged four to six years old were recruited from nine TPK using convenience sampling method.
    Information on sociodemographic, breakfast intake pattern and anthropometric measurements
    (weight and height) were obtained. Respondents consisted of 74 (56.5%) boys and 57 (43.5%)
    girls. Anthropometric results showed that 8.4% preschoolers were overweight and obese. Among
    the preschoolers, 22.1% of them were breakfast skippers. In terms of gender breakdown, 20.3%
    boys and 24.6% girls skipped breakfast. There was a significant association between breakfast
    intake and BMI status among preschoolers (p = 0.003). This indicated that preschoolers that
    skipped breakfast were associated with overweight or obese compared to those who consumed
    breakfast daily. Breakfast consumption is a marker of a healthy lifestyle which can reduce the risk
    of childhood obesity. This habit should be inculcated during this critical period of life in which
    parents play a vital role in promoting breakfast consumption among preschoolers.
    MeSH terms: Anthropometry; Body Weight; Cross-Sectional Studies; Female; Habits; Humans; Malaysia; Male; Parents; Surveys and Questionnaires; Body Mass Index; Overweight; Breakfast; Pediatric Obesity; Healthy Lifestyle
  12. Ullah, Hadaate, Kiber, Adnan, Huq, Asadul, Mohammad Arif Sobhan Bhuiyan
    MyJurnal
    Classification is one of the most hourly encountered problems in real world. Neural networks have
    emerged as one of the tools that can handle the classification problem. Feed-Forward Neural Networks
    (FFNN's) have been widely applied in many different fields as a classification tool. Designing an efficient
    FFNN structure with the optimum number of hidden layers and minimum number of layer's neurons for
    a given specific application or dataset, is an open research problem and more challenging depend on
    the input data. The random selections of hidden layers and neurons may cause the problem of either
    under fitting or over fitting. Over fitting arises because the network matches the data so closely as to
    lose its generalization ability over the test data. In this research, the classification performance using
    the Mean Square Error (MSE) of Feed-Forward Neural Network (FFNN) with back-propagation algorithm
    with respect to the different number of hidden layers and hidden neurons is computed and analyzed to
    find out the optimum number of hidden layers and minimum number of layer's neurons to help the
    existing classification concepts by MATLAB version 13a. By this process, firstly the random data has
    been generated using an suitable matlab function to prepare the training data as the input and target
    vectors as the testing data for the classification purposes of FFNN. The generated input data is passed
    on to the output layer through the hidden layers which process these data. From this analysis, it is find
    out from the mean square error comparison graphs and regression plots that for getting the best
    performance form this network, it is better to use the high number of hidden layers and more neurons in
    the hidden layers in the network during designing its classifier but so more neurons in the hidden layers
    and the high number of hidden layers in the network makes it complex and takes more time to execute.
    So as the result it is suggested that three hidden layers and 26 hidden neurons in each hidden layers
    are better for designing the classifier of this network for this type of input data features.
    MeSH terms: Algorithms; Neurons; Research; Neural Networks (Computer)
  13. Bonde GV, Yadav SK, Chauhan S, Mittal P, Ajmal G, Thokala S, et al.
    Expert Opin Drug Deliv, 2018 05;15(5):495-507.
    PMID: 29521126 DOI: 10.1080/17425247.2018.1449832
    INTRODUCTION: Breast cancer stands the second prominent cause of death among women. For its efficient treatment, Lapatinib (LAPA) was developed as a selective tyrosine kinase inhibitor of receptors, overexpressed by breast cancer cells. Various explored delivery strategies for LAPA indicated its controlled release with enhanced aqueous solubility, improved bioavailability, decreased plasma protein binding, reduced dose and toxicity to the other organs with maximized clinical efficacy, compared to its marketed tablet formulation.

    AREAS COVERED: This comprehensive review deals with the survey, performed through different electronic databases, regarding various challenges and their solutions attained by fabricating delivery systems like nanoparticles, micelle, nanocapsules, nanochannels, and liposomes. It also covers the synthesis of novel LAPA-conjugates for diagnostic purpose.

    EXPERT OPINION: Unfortunately, clinical use of LAPA is restricted because of its extensive albumin binding capacity, poor oral bioavailability, and poor aqueous solubility. LAPA is marketed as the oral tablet only. Therefore, it becomes imperative to formulate alternate efficient multiparticulate or nano-delivery systems for administration through non-oral routes, for active/passive targeting, and to scale-up by pharmaceutical scientists followed by their clinical trials by clinical experts. LAPA combinations with capecitabine and letrozole should also be tried for breast cancer treatment.

    MeSH terms: Antineoplastic Agents/administration & dosage*; Biological Availability; Breast Neoplasms/drug therapy*; Female; Humans; Liposomes; Solubility; Drug Delivery Systems*; Nanoparticles
  14. Sathasivam P
    J Assoc Physicians India, 2018 Sep;66(9):84-88.
    PMID: 31321937
    Globally, the burden of diabetes is increasing very rapidly as is the diabetic related complications. Infections in diabetes mellitus are relatively more common and serious. Diabetic patients run the risk of acute metabolic decompensation during infections, and conversely patients with metabolic decompensation are at higher risk of certain invasive infections. Infections in diabetic patients result in extended hospital stays and additional financial burden.1 Medicine in modern world has seen tremendous advancements like newer generation of anti-diabetic drugs, modern insulin therapy, better intensive care facilities and more potent antibiotics. Despite all these advancements, infection still remains one of the major cause for increasing morbidity and mortality in diabetic patients2 . This article focuses on the common diabetes related infections in the Head and Neck region of the body. Some of the life threatening infections like malignant otitis externa and rhino-cerebral mucormycosis affect this region of body.
    MeSH terms: Communicable Diseases/diagnosis; Communicable Diseases/epidemiology; Diabetes Mellitus*; Humans; Mucormycosis; Otitis Externa; Diabetes Complications/diagnosis*; Diabetes Complications/epidemiology
  15. Md Razak Daud, Wan Nor Shela Ezwane Wan Jusoh, Syahrullail Samion
    MyJurnal
    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
  16. Muhamad Sani bin Buang, Zalaida bt Talib, Dr Norhayati bt. Zakaria, Dr Shahrul Azam bin Abdullah, Hashim bin Abdullah
    MyJurnal
    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.
  17. Wan Nor Shela Ezwane Wan Jusoh, Md Razak Daud
    MyJurnal
    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
  18. J.Karim, M.A.M.Idrus, N.H.F.Hashim, M.Abdullah, S.S.Sharifuddin, M.F.Muhazeli, et al.
    MyJurnal
    Rivers as surface water in Malaysia are recipients of effluents and wastewater and yet it is important water source for daily uses of some villagers living along the river. Endocrine disruptors such as Bisphenol A (BPA) can be found in river due to continuous discharge into it. The objectives of this research is to find out the occurrence and concentration of BPA in Sungai Langat and also to see how water quality parameters such as temperature, pH, dissolved oxygen (DO), turbidity, Total Suspended Solid (TSS), Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD) and ammonia nitrogen (AN) affecting the concentration of BPA. 12 stations in total including upstream to downstream of Sungai Langat and also tributary of Sungai Langat. The instrument used to find out concentration of BPA is Triple Quadrupole LC/MS. The source of BPA are mainly industrial effluents and also direct domestic discharges. The water quality parameters that will affect concentration of BPA are Ammonia Nitrogen (AN), turbidity, Biochemical Oxygen Demand (BOD), Total Suspended Solid (TSS), and Chemical Oxygen Demand (COD), Dissolved Oxygen (DO). While pH and water temperature are also factors that will affect concentration of BPA but the significance is not shown in the analysis. It can be concluded that upstream of Sungai Langat has lower concentration of BPA than downstream.
    MeSH terms: Ammonia; Benzhydryl Compounds; Malaysia; Nitrogen; Oxygen; Phenols; Temperature; Water; Life; Rivers; Endocrine Disruptors; Biological Oxygen Demand Analysis; Water Quality; Waste Water
  19. Win, Lai Lai, Faieza Abdul Aziz, Abdul Aziz Hairuddin, Lili Nurliyana Abdullah, Jen, Yap Hwa, Saito, Hideo, et al.
    MyJurnal
    Education needs to change working life in order to improve and ensure the latest technology has been adopted to cater the new era of industrial revolution. To reach this, a technological-oriented education is required for students. In this section, Virtual Reality (VR) technology is useful to get empirical experience in tertiary education. Moreover, virtual world provides a hazard-free and explorative learning experience. This paper reviews the application of VR in engineering education. This work also covers the usage of VR application which begins with the history of VR application, reasons of VR in education, key elements for immersive VR collaboration, and types of VR systems. The input / output devices which involved in VR systems were also discussed. This paper also reviews VR systems classification and usage of VR in education systems. VR in design application was finally reviewed followed by the advantages and disadvantages of VR systems and VR hardware. The last section provides future trends and conclusion.
    MeSH terms: Engineering; Students; Technology; User-Computer Interface; Educational Technology
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