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Ngu, Nguyen Trong,Ledin, Inger Asian Australasian Association of Animal Productio 2005 Animal Bioscience Vol.18 No.2
The effects of feeding Brassica vegetable market wastes on intake, body weight changes and pesticide/insecticide residues in products of goats were evaluated in two experiments. In the first experiment (Exp. 1) 16 goats (Bach Thao, 9 to 10 kg, 3 months old, 9 males and 7 females) were fed four diets with leaves either from cabbage (Brassica oleracea var. capitata), cauliflower (Brassica oleracea var. botrytis) or Chinese cabbage (Brassica campestris subsp. pekinensis) with 30% of Para grass. The control group was fed 100% Para grass. All diets contained soybean waste as a supplement and the experiment lasted for 136 days. In the second experiment (Exp. 2) 24 goats (Bach Thao, 12 to 14 kg, all males) were assigned to three treatments in a completely randomised block design based on initial body weight. The goats were fed cabbage waste supplemented with 200 g or 100 g DM (dry matter) of concentrate. Para grass with 100 g DM concentrate supplementation was used as a control group. The experiment lasted for 90 days and at the end of the study, 12 goats were slaughtered for pesticide/insecticide analysis. Due to low DM content (5.3 and 3.7%, respectively) feed intakes of cabbage and Chinese cabbage groups were lower than those of other groups in the experiment. The highest feed intake and body weight gain was obtained when the goats were fed cauliflower (529 g DM/day and 87.5 g/day, respectively). In Exp. 2 total intake of cabbage and concentrate was similar (484 g and 453 g DM/day) whether the goats were fed 100 or 200 g concentrate/day but lower than that of Para grass and concentrate probably due to the low DM content of the cabbage (5.9%). Crude protein intake (79 g to 86 g/day) and body weight gain (70 g to 88 g/day) was not significantly different between treatments. Adding concentrate consequently resulted in higher DM intake than in Exp. 1 but did not result in any higher growth rate. Three of the pesticide/insecticide residues tested were found in cabbage, Alpha-Cypermethrin, Bassa-Fenobucarb and Dimethoate with levels of 0.175, 0.074 and 0.028 mg/kg fresh cabbage respectively. Weight of livers from goats fed cabbage was about 90 g higher than from goats fed Para grass but no pesticide/herbicide residues were found in meat or liver.
Diagnosis and Management of Patients with Mucopolysaccharidoses in Malaysia
Ngu, Lock-Hock Association for Research of MPS and Rare Diseases 2018 Journal of mucopolysaccharidosis and rare disease Vol.4 No.1
In Malaysia, diagnosis and treatment of patients with mucopolysaccharidoses (MPS) is mainly localized at Hospital Kuala Lumpur, which is the national referral center for rare diseases. To date there are 83 patients diagnosed with MPS in our center, with MPS II being the commonest. The Malaysian National Medicines Policy second edition has a specific section on the orphan drugs which includes recombinant human enzyme for enzyme replacement therapy (ERT) in MPS. So far, National Pharmaceutical Regulatory Agency Malaysia has approved recombinant human enzyme for MPS types I (Loranidase), II (idursulfase), IVA (elosulfase alfa), and VI (Galsufase). Access to Idursulfase beta (another recombinant human enzyme for MPS II) and vestronidase alfa-vjbk (MPS VII) required special authorization on named patient basic. Currently there are 25 patients receiving ERT, 70% of the funding are from Ministry of Health (MOH), the remaining 30% are from various charitable funds and humanitarian programs. Thirteen newly diagnosed patients have to queue for an additional fund. Four patients have been treated with Hematopoietic stem cell transplant. MOH has also published guidelines regarding the patient selection criteria for ERT and treatment monitoring schedule.
Hadoop을 이용한 R-트리의 효율적인 병렬 구축 기법
Viet-Ngu Huynh Cong,김종민,권오흠,송하주 한국멀티미디어학회 2019 멀티미디어학회논문지 Vol.22 No.2
Bulk-loading an R-tree can be a good approach to build an efficient one. However, it takes a lot of time to bulk-load an R-tree for huge amount of data. In this paper, we propose a parallel R-tree construction scheme based on a Hadoop framework. The proposed scheme divides the data set into a number of partitions for which local R-trees are built in parallel via Map-Reduce operations. Then the local R-trees are merged into an global R-tree that covers the whole data set. While generating the partitions, it considers the spatial distribution of the data into account so that each partition has nearly equal amounts of data. Therefore, the proposed scheme gives an efficient index structure while reducing the construction time. Experimental tests show that the proposed scheme builds an R-tree more efficiently than the existing approaches.
Nan Theint Ngu Lwin,Suriyan Supapvanich,Surassawadee Promyou 한국식품과학회 2021 Food Science and Biotechnology Vol.30 No.1
The aim of this study was to investigate theeffects of ultraviolet-C (UV-C) irradiation on the changesin total sugars concentration and texture of ready to cookbaby corn during cold storage. The baby corns were irradiatedwith UV-C at the dose of 0 (control), 2.2, 4.4 and6.6 kJ m-2 and then stored at 5 ± 1 C for 7 days. Theresults showed that the losses of total sugars were delayedby UV-C irradiation treatments. All the UV-C treatmentssignificantly maintained the firmness of the treated babycorn samples and prevented the increase in electrolyteleakage, especially at 4.4 kJ m-2. Compared to controlsample, the 4.4 kJ m-2 UV-C irradiated baby corn retardedthe depolymerisation of pectin substances by suppressingthe polygalacturonase and pectin methyl esterase activities. Therefore, the dose of 4.4 kJ m-2 could be a feasiblealternative UV-C treatment maintaining texture and thetotal sugar concentration of ready to cook baby corn duringcommercial storage.
Effects of Co-current and Cross Flows on Circular Enhanced Gravity Plate Separator Efficiencies
Lock Hei Ngu,Puong Ling Law,Kien Kuok Wong 대한환경공학회 2014 Environmental Engineering Research Vol.19 No.2
This study compares the effects of flow on oil and suspended solids removal efficiencies in circular enhanced gravity plate separator equipped with coalescence medium. Coalescence medium acts to capture rising oil droplets and settling solid particles and assist in the coalescence of oil and coagulation of solid. The circular separator uses an up flow center-feed perforated-pipe distributor as the inlet. The co-current flow is achieved using 4 increasing sizes of frustum, whereas cross flow uses inclined coalescence plates running along the radius of the separator. The different arrangement gave the cross flow separator a higher coalescence plan area per operational volume, minimal and constant travelling distance for the oil droplets and particles, lower retention time, and higher operational flowrate. The cross flow separator exhibited 6.04% and 13.16% higher oil and total suspended solids removal efficiencies as compared to co-current flow.