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신병철,백봉,김민영,홍고르출 충북대학교 컴퓨터정보통신 연구소 2006 컴퓨터정보통신연구 Vol.14 No.1
헤더 압축 기술은 기존의 일반적인 패킷 데이터의 비효율적인 오버 헤드를 줄이기 위한 방안으로 제안되었다. 특히 음성과 같은 실시간 미디어 스트림 경우에는 더욱 큰 오버헤드율을 보이게 되는데, 헤더 압축을 통해 보다 높은 대역폭 효율을 얻을 수 있다. 본 논문에서는 PHR (Periodic Header Refresh) 방법과 HR (Header Request) 방법의 두가지 에러복구 기법에 관하여 각각 성능 분석을 실시하였다. 그 결과로 Overhead Rate, Bandwidth Gain, 그리고 Bandwidth Efficiency 등의 분석결과가 제시되었다. Header Compression Scheme is suggested as a solution to reduce the inefficient overhead of general packet stream data. Especially, it is shown that there are more overhead rate for real media stream links such as voice because of its short payload size, and it is possible to get higher bandwidth efficiency using the header compression scheme. There are two kinds of error recovery in header compression such as Periodic Header Refresh (PHR) and Header Request (HR) schemes. In this paper, we analyze the performance of these two compression recovery schemes, and some results such as the overhead rate, bandwidth gain and bandwidth efficiency (BE) are presented.
Draft Genome Sequence of a Chitinase-Producing Biocontrol Bacterium, Lysobacter antibioticus HS124
Gardener, Brian B. McSpadden,Kim, In Seon,Kim, Kil Yong,Kim, Young Cheol The Korean Society of Plant Pathology 2014 식물병연구 Vol.20 No.3
Lysobacter antibiocus HS124 is a chitinase-producing rhizobacterium with proven capacities to suppress plant diseases. Bacterial cultures of L. antibioticus HS124 showed strong biocontrol efficacies against various plant diseases compared to those of bacterial cultures of Bacillus subtilis QST713 which is an active ingredient of a commercial biopesticide, Serenade. Here, we report the draft genome sequence and automated annotation of strain HS124. This draft genome sequence indicates the novelty of L. antibiocus HS124 and a subset of gene functions that may be related to its biocontrol activities.
Review of the UBC Porcine Model of Traumatic Spinal Cord Injury
Kim, Kyoung-Tae,Streijger, Femke,Manouchehri, Neda,So, Kitty,Shortt, Katelyn,Okon, Elena B.,Tigchelaar, Seth,Cripton, Peter,Kwon, Brian K. The Korean Neurosurgical Society 2018 Journal of Korean neurosurgical society Vol.61 No.5
Traumatic spinal cord injury (SCI) research has recently focused on the use of rat and mouse models for in vivo SCI experiments. Such small rodent SCI models are invaluable for the field, and much has been discovered about the biologic and physiologic aspects of SCI from these models. It has been difficult, however, to reproduce the efficacy of treatments found to produce neurologic benefits in rodent SCI models when these treatments are tested in human clinical trials. A large animal model may have advantages for translational research where anatomical, physiological, or genetic similarities to humans may be more relevant for pre-clinically evaluating novel therapies. Here, we review the work carried out at the University of British Columbia (UBC) on a large animal model of SCI that utilizes Yucatan miniature pigs. The UBC porcine model of SCI may be a useful intermediary in the pre-clinical testing of novel pharmacological treatments, cell-based therapies, and the "bedside back to bench" translation of human clinical observations, which require preclinical testing in an applicable animal model.
An ASCU HILS System for a Rolling Stock with Feedback Signals of Dump Valves
Ho-Yeon Kim,Chul-Goo Kang,Brian B. Kang 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
This paper presents a real-time simulation for the brake system including ASCU hardware component of the Korean tilting train. The dynamic model of the rolling stock is implemented using a dSPACE board and Simulink programs. Dump valve signals are fed back to dSPACE board and wheel speeds are generated by the dynamic model using the feedback signals. The validity of this real-time simulation module is demonstrated by executing this ASCU HILS system for various skid conditions.
강승훈,최홍열,조지숙,전수환,김지연,Brian B. Kim,김동일 한국생물공학회 2018 Biotechnology and Bioprocess Engineering Vol.23 No.2
A reproducible method for cryopreservation of transgenic rice cells (Oryza sativa L. cv. Dongjin) producing recombinant human cytotoxic T lymphocyte-associated antigen 4-immunoglobulin (hCTLA4Ig) has been established. Here, we assessed recovery media and investigated recombinant protein homogeneity after long-term preservation. For recovery of cryopreserved transgenic rice cells, AA medium was suitable in terms of both morphology and production of hCTLA4Ig. There were no differences in cell growth, sugar consumption, and hCTLA4Ig production between non-cryopreserved and cryopreserved cells for up to 1 month. hCTLA4Ig produced from cryopreserved cells was identical that of hCTLA4Ig from non-cryopreserved cells, as determined by analysis of its molecular weight and isoforms. For long-term preservation, cell viability was stably maintained at 61% for 26 months. In conclusion, these results demonstrate the possibility for reproducible cryocell-banking of transgenic rice cells without changes in the characteristics of cells and target proteins.
신병철,김민영,홍고르출,이인성,Shinn Brian-B.,Kim Min-Yeong,D Khongorzul,Lee In-Sung 한국정보통신학회 2006 한국정보통신학회논문지 Vol.10 No.7
헤더 압축 기술은 기존의 일반적인 패킷 데이터의 비효율적인 오버 헤드를 줄이기 위한 방안으로 제안되었다. 특히 음성과 같은 실시간 미디어 스트림 경우에는 더욱 큰 오버헤드율을 보이게 되는데, 헤더 압축을 통해 보다 높은 대역폭 효율을 얻을 수 있다. 본 논문에서는 PHR(periodic Header Refresh) 방법과 HR(Header Request) 방법 의 두가지 에러 복구 기법 에 관하여 각각 성능 분석을 실시하였다. 그 결과로 Overhead Rate, Bandwidth Gain, 그리고 Bandwidth Efficiency 등의 분석 결과가 제시되었다. Header compression scheme is suggested as a solution to reduce the inefficient overhead of general packet stream data. Especially, it is shown that there are more overhead rate for real-time media stream links such as voice because of its short payload size, and it is possible to get higher bandwidth efficiency using the header compression scheme. There are two kinds of error recovery in header compression such as Periodic Header Refresh(PHR) and Header Request(HR) schemes. In this paper, we analyze the performance of these two compression recovery schemes, and some results such as the overhead rate, bandwidth gain and bandwidth efficiency(BE) are presented.