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최영배,Dr. Adrian Tang 에스케이텔레콤 (주) 1997 Telecommunications Review Vol.7 No.4
We propose a generic service ordering interface for the cooperative service providers in the deregulating and competitive telecommunications environment. In particular, we show the necessary operations and information objects used in the interface. As the speed of openness in the global telecommunications market is getting faster, the importance of mutually interoperable interface among the cooperative Service Providers (SPs) is growing day by day. Currently, the world wide effort to resolve this complex situation is going on in various ways. To achieve a smooth migration to the globally compatible interface from each SP’s existing legacy service ordering interface, our model can be referenced as a good candidate. Keywords: Service Order Handling, Service Provider (SP), Main Service Provider (MSP), Subcontracted Service Provider (SSP), Information Modeling, Computational Modeling, TINA-C.
Microfluidic formation of proteinosomes
Ugrinic, Martina,Zambrano, Adrian,Berger, Simon,Mann, Stephen,Tang, T.-Y. Dora,deMello, Andrew unknown 2018 Chemical Communications Vol. No.
<P>Herein we describe a novel microfluidic method for the generation of proteinosome micro-droplets, based on bovine serum albumin and glucose oxidase conjugated to PNIPAAm chains. The size of such water-in-oil droplets is regulated <I>via</I> control of the input reagent flow rate, with generated proteinosome populations exhibiting narrower size distributions than those observed when using standard bulk methodologies. Importantly, proteinosomes transferred from an oil to an aqueous-environment remain intact, become fully hydrated and exhibit an increase in average size. Moreover, functional proteinosomes prepared <I>via</I> microfluidics exhibit lower <I>K</I>m values and higher enzymatic activities than proteinosomes produced by bulk methodologies.</P>
Vision-based Autonomous Disinfection of High-touch Surfaces in Indoor Environments
Sean Roelofs,Benoit Landry,Myra Kurosu Jalil,Adrian Martin,Saisneha Koppaka,Sindy K.Y. Tang,Marco Pavone 제어로봇시스템학회 2021 제어로봇시스템학회 국제학술대회 논문집 Vol.2021 No.10
Autonomous systems have played an important role in response to the Covid-19 pandemic. Notably, there have been multiple attempts to leverage Unmanned Aerial Vehicles (UAVs) to disinfect surfaces. Although recent research suggests that surface transmission is less significant than airborne transmission in the spread of Covid-19, surfaces and fomites can play, and have played, critical roles in the transmission of Covid-19 and many other viruses, especially in settings such as child daycares, schools, offices, and hospitals. Employing UAVs for mass spray disinfection offers several potential advantages, including high-throughput application of disinfectant, large scale deployment, and the minimization of health risks to sanitation workers. Despite these potential benefits and preliminary usage of UAVs for disinfection, there has been little research into their design and effectiveness. In this work, we present an autonomous UAV capable of effectively disinfecting indoor surfaces. We identify relevant parameters such as disinfectant type and concentration, and application time and distance required of the UAV to disinfect high-touch surfaces such as door handles. Finally, we develop a robotic system that enables the fully autonomous disinfection of door handles in an unstructured and previously unknown environment. To our knowledge, this is the smallest untethered UAV ever built with both full autonomy and spraying capabilities, allowing it to operate in confined indoor settings, and the first autonomous UAV to specifically target high-touch surfaces on an individual basis with spray disinfectant, resulting in more efficient use of disinfectant.
( Robert G Gish ),( Ting Tsung Chang ),( Ching Lung Lai ),( Robert A De Man ),( Adrian Gadano ),( Song Yu ),( Cyril Llamoso ),( Hong Tang ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.-
Background: Entecavir (ETV) 0.5 mg demonstrated superior virologic, histologic, and biochemical benefit compared to lamivudine in phase III study ETV-022. Through 96 weeks of treatment and 24 weeks post-treatment follow-up, 5% of the patients achieved HBsAg loss. We present the changes in quantitative HBsAg levels in patients with HBeAg-positive nucleoside naive chronic hepatitis B patients treated with ETV in study ETV-022. Methods: The nucleoside-naive HBeAg-positive patients received ETV 0.5mg daily in study ETV-022. HBsAg levels were assessed qualitatively and quantitatively every 12 weeks. The quantitative HBsAg levels were measured with the Abbott Architect Assay. Mean HBsAg levels were calculated at baseline, week 12, 24, 36 and 48 for the overall cohort and cohorts with HBeAg loss or HBsAg loss. Results: A total of 95 ETV-treated patients from study ETV-022 had available blood samples and were analyzed for quantitative HBsAg levels. Baseline characteristics of patients include mean age 38 years old, mean HBV DNA 9.64 log10 copies/mL and ALT 156.65 U/L. The quantitative HBsAg levels over time in different patient groups are listed below: Conclusion: Quantitative HBsAg levels decreased overtime during the first 48 weeks of ETV therapy in HBeAg-positive nucleoside naive patients. A greater declination in quantitative HBsAg value was observed among subjects who had HBeAg loss or HBsAg loss.
( Robert G Gish ),( Ting Tsung Chang ),( Ching Lung Lai ),( Robert A De Man ),( Adrian Gadano ),( Song Yu ),( Cyril Llamoso ),( Hong Tang ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.1
Background: Entecavir (ETV) 0.5 mg demonstrated superior virologic, histologic, and biochemical benefit compared to lamivudine in phase III study ETV-022. Through 96 weeks of treatment and 24 weeks post-treatment follow-up, 5% of the patients achieved HBsAg loss. We present the changes in quantitative HBsAg levels in patients with HBeAg-positive nucleoside naive chronic hepatitis B patients treated with ETV in study ETV-022. Methods: The nucleoside-naive HBeAg-positive patients received ETV 0.5mg daily in study ETV-022. HBsAg levels were assessed qualitatively and quantitatively every 12 weeks. The quantitative HBsAg levels were measured with the Abbott Architect Assay. Mean HBsAg levels were calculated at baseline, week 12, 24, 36 and 48 for the overall cohort and cohorts with HBeAg loss or HBsAg loss. Results: A total of 95 ETV-treated patients from study ETV-022 had available blood samples and were analyzed for quantitative HBsAg levels. Baseline characteristics of patients include mean age 38 years old, mean HBV DNA 9.64 log10 copies/mL and ALT 156.65 U/L. The quantitative HBsAg levels over time in different patient groups are listed below Conclusion: Quantitative HBsAg levels decreased overtime during the first 48 weeks of ETV therapy in HBeAg-positive nucleoside naive patients. A greater declination in quantitative HBsAg value was observed among subjects who had HBeAg loss or HBsAg loss.