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( Mk Biddinika ),( M Syamsiro ),( A N Hadiyanto ),( Z Mufrodi ),( F Takahashi ) 한국폐기물자원순환학회(구 한국폐기물학회) 2017 한국폐기물자원순환학회 심포지움 Vol.2017 No.1
Public awareness and understanding are often considered as one of barrier on waste recycle and management. In plastic waste management, beside some people may not fully aware on environmental impact of plastic waste due to its unbiodegradability characteristic, the understanding about benefit of plastic waste is probably low. To help increase awareness on plastic waste management, a model machine for pyrolysis of plastics waste in small scale has been developed so that the model is transportable easily from one community-based waste recycle to another for campaign or education purpose. However, feedstock of the pyrolysis machine requires the plastic waste into small size to maximize reactor capacity. From practical experience of public outreach, the plastic waste-to-oil technology is more impressive to the public if the feedstock is seen from its original appearance as a waste, such as plastic packaging,plastic bag, or PET bottle. Therefore, a shredding machine for pyrolysis feedstock of plastic waste has been developed in order to fulfil requirement of small size pyrolysis feedstock and easily transportable. The shredding machine has a dimension of 63 cm x 50.5 cm x 136.5 cm (length x wide x height). The main power for shredding knife mover is 5.5 HP diesel or gasoline-fueled engine instead of electric-powered motor. Although the diesel engine emits exhaust fume and more noise,which is not convenient for in-door operation in some waste recycle center, however considering electric power availability in the center, electric motor is not a good option for the shredding knife mover. The machine has been tested to shred PET bottle waste and it is capable of 14 kg/hour of shredding capacity. The capacity could be increased by adding more material input as well as using water to push the shredded plastic flowing down. The selection of diesel engine as the knife mover also creates more noise during operation whilst verbally explaining how the machine works. It is not so convenient for practical education purpose compared with that of electric motor which emits less noise and exhaust fume.
HCV, Acute, LT : IL28B Gene Polymorphisms in Myanmar Patients with Chronic HCV Infection
( Mk Kyaw ),( Km Win ),( Nmkt Hlaing ),( Amm Kyaw ),( Ah Bwa ),( St Aung ),( Lt Lwin ),( Wt Lwin ),( S Hlaing ),( Sl Htet ),( Zm Aung ) 대한간학회 2013 춘·추계 학술대회 (KASL) Vol.2013 No.1
Introduction: IL28B gene is a gene which is located on the human chromosome 19. Recently, it was discovered that favourable IL28B gene polymorphisms is associated with the viral clearance and achievement of sustained virological response (SVR) in the treatment of chronic hepatitis C infection. Therefore, studies of IL28B gene polymorphisms can help us to predict whether the treatment of chronic hepatitis C will attain SVR or not. The prediction of SVR by IL28B will be useful in genotype 1 patients because our real life experience showed that SVR rate in Myanmar patients with G 1 is around 80 % (Less than 50 % in Western countries with unfavourable gene polymorphisms in majority of the cases) and that may be due to favourable IL28B gene polymorphisms in Myanmar patients with chronic HCV infection. Up to now there is no data on the prevalence of different IL28B gene polymorphisms in Myanmar patients. Conduct of the Study Study Population: This study consists of 171 patients from Yangon GI and Liver Centre and Mandalay Specialists Centre. Blood samples were sent to National University Hospital, Singapore, and two types of IL28B gene polymorphisms were determined viz. rs12979860 (CC favourable genotype) and rs8099917 (TT favorable genotype). Results: Out of 171 patients who participated, the results showed that about 86% of all genotypes (i.e.149 patients) are of CC/TT type. Among G1 patients 36 out of 41 patients (89%) are favourable genotype CC/TT. Conclusion: As CC/TT is favorable genotype for SVR, it is concluded that Myanmar patients with G1 unlike Western patients with G1, will have a high SVR rate of more than 80% with the current standard of care (SOC). Therefore, Directly Acting Antivirals (DAA) may not be necessary for the naive Myanmar patients with G1 chronic HCV patients. Recommendation: It is recommended to continue the study of SVR rates among different IL28B genotypes in Myanmar patients with chronic HCV patients who are receiving antiviral therapy.