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NFT 와 DID 기술을 활용한 지적재산권 보호 기법 제안
박영서 ( Yeong-seo Park ),강혁 ( Hyeok Kang ),이근호 ( Keun-ho Lee ) 한국정보처리학회 2022 한국정보처리학회 학술대회논문집 Vol.29 No.1
기존의 특허, 저작권 등의 지적재산권은 특허청, 한국저작권위원회 등 중앙 기관에서 관리하고 있어 지적재산권을 등록하는데 많은 시간이 소요되고, 특허의 경우 특허법에 따라 같은 내용에 대한 지적재산권의 소유권에 대해 먼저 특허출원을 한 자만이 인정받을 수 있기 때문에 특허 접수 시기의 오차범위가 존재하여 정당한 발명자의 권리가 침해될 수 있다. 이를 해결하기 위해 NFT 를 기반으로 지적재산권의 소유권을 보장할 수 있는 방법에 대한 연구가 이루어졌으나, NFT 는 특성상 중복 가능하다는 문제점이 존재한다. 따라서 본 논문에서는 NFT 를 이용하여 지적재산권의 소유권을 인증하고, 블록체인 기반의 탈중앙화 DID 에 지적재산권을 저장하여 문서의 검색 및 관리를 가능하게 하는 등 지적재산권을 보호하는 기법을 제안한다.
박영서 ( Park Yeong Seo ),장학길 ( Jang Hag Gil ) 한국응용생명화학회 2003 Applied Biological Chemistry (Appl Biol Chem) Vol.46 No.4
The puree of Rubus coreanus was fermented using lactic acid bacteria and its biological activities were examined. Lactobacillus acidphilus KCCM 32820, L. casei KCCM 12452. Lactococcus lactis subsp. lactis KCCM 40104, and Streptococcus thermophilus KCCM 40430 were used as a single or mixed starter for the lactic acid fermentation, and their cultures at the late logarithmic growth phase were inoculated to final concentration of 2% (v/v). L. casei fermented the puree of Rubus coreanus best when used as a single starter, and the culture of L. casei and L. lactis with the inoculation ratio of one to one showed the highest fermentation activity when used as a mixed starter. However, the fermented broth of the puree of Rubus coreanus using L. acidophilus and S. thermophilus showed the best results in the sensory evaluation. The optimal lactic acid fermentation conditions were as follows; the concentration of oligosaccharide added was 1% (w/v), pH of puree and fermentation temperature were 4.0 and 37℃. respectively, and fermentation time was 72~96 hours. Glucose and fructose were major free sugars, and the content of lactic acid was 698.2㎎/100g in the fermented broth. The fermented broth of the puree of Rubus coreanus showed the electron donating ability and nitrite scavenging ability with the value of 69% and 38.3% at pH 1.2, respectively. SOD-like activity and inhibitory activity on xanthine oxidase were also found in the fermented broth were examined, it showed the highest growth inhibitory activity against Escherichia coli O-157:H7, and also contained antimicrobial activities against Salmonella typhimurium, Bacillus cereus, and Staphylococcus aureus.
김영호(Young Ho Kim),박영서(Yeong-Seo Park),박병욱(Byeong Uk Park),윤인권(inkwon Yoon),전희재(Hee-Jae Jeon) 강원대학교 산업기술연구소 2022 産業技術硏究 Vol.42 No.1
Diabetes mellitus is an abnormally high glucose level in the bloodstream. Several pharmaceuticals are administered to diabetic patients to control their glucose levels. Early diagnosis and proper glycemic management are essential in this situation to prevent further progression and complications. Biosensor-based detection has progressed and shown potential in portable and inexpensive daily assessment of glucose levels because of its simplicity, low cost, and convenient operation without sophisticated instrumentation. This review discusses various systemic aspects of non-invasive glucose monitoring, including materials for monitoring and managing diabetes.