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您的检索式：作者名="Supawat Chatchen"
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| 1 | Serodiagnosis of asymptomatic dengue infection显示文摘Dengue virus(DENV) is a mosquito-transmitted virus that is expanding across the world,The incidence of dengue infection,especially severe disease,has been increasing,DENV consist of 4 serotypes of single stranded RNA viruses(D1-D4) in the genus Flavivirus,family Flaviviridae,Majority of dengue infections are asymptomatic cases,which cause difficulty in disease control and are important in dengue surveillance,There is still no gold standard to diagnose asymptomatic dengue infection,Plaque reduction neutralization test(PRNT) has been developed for many purposes such as immunological study,clinical study,vaccine trial and is currently the most sensitive and specific method for serological surveillance,However,PRNT shows some degree of cross reaction among different dengue serotypes especially secondary dengue infection cases and to other flaviviruses,Moreover,various modification since the beginning make PRNT lack of inter-laboratory standardization which is an important issue,This paper discusses the important of asymptomatic dengue infection and its diagnostic method. | Supawat Chatchen Arunee Sabchareon Chukiat Sirivichayakul | 2017 | Asian Pacific Journal of Tropical Medicine2017，10，1： | 3 |
| 2 | Stability and infectivity of enteroviruses on dry surfaces:Potential for indirect transmission control显示文摘Hand,foot,and mouth disease(HFMD)is a contagious disease mainly occurring in young children,and outbreaks commonly occur among young children in the Asia–Pacific region including Thailand.Moreover,the World Health Organization(WHO)monitors HFMD in the Western Pacific region to detect outbreaks and other significant events by the Regional Event Based Surveillance System.HFMD is mainly caused by a group of enteroviruses(EVs)transmitted through direct contact(person to person)and indirect contact with contaminated objects(surface-to-hand).However,few studies have examined the surface stability of EVs.In this study,we investigated the stability of enterovirus A71(EV-A71)and coxsackievirus A16(CVA16)on three different dry surfaces(wood,plastic,and stainless steel)using the endpoint titration using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide(MTT)staining of viable cells and real-time polymerase chain reaction(viral genome detection).The results revealed that virus infectivity dramatically decreased within a few hours on dry surfaces.However,viral RNA could be detected on dry surfaces for up to 28 days.Concerning heat inactivation,both EV-A71 and CVA16 were inactivated after exposure to 60°C for 15 min.Information on virus stability on different dry surfaces will provide useful information for HFMD transmission control. | Pichamon Sittikul Pimolpachr Sriburin Jittraporn Rattanamahaphoom Warisa Nuprasert Nipa Thammasonthijarern Janjira Thaipadungpanit Weerawan Hattasingh Nathamon Kosoltanapiwat Pilaipan Puthavathana Supawat Chatchen | 2023 | Biosafety and Health2023，5，6： | 0 |
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