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Sureshkumar P.,Selvaraj N.,Ganapathi A.,Kasthurirengan S.,Vasudevan A.,Anbazhagan V. Ramesh The Korean Society of Plant Biotechnology 2005 Plant molecular biology and biotechnology research Vol.7 No.4
Five day old cotyledon explants of Cucumber (Cucumis sativus L) cv Poinsett 76 were cocultivated with two Agrobacterium strains (EHA105 and LBA 4404) each carrying GUS as the reporter gene and npt-II as the selection marker gene in the T-DNA region of the vector. Transformed shoots were selected at 150 mg/L kanamycin. A two day cocultivation coupled with $20\;{\mu}M$ acetosyringone increased the frequency (8.2 and 15.4 shoots) of GUS expression in the shoots of transformed plant. Among the two Agrobacterium strains, EHA 105 performed better than LBA 4404 in bringing two-fold increase in transformation efficiency (14%) than LBA 4404 (7.4%). PCR analysis was done to confirm the integration of T-DNA into cucumber genome.
A Novel Technique for Retrieval of a Drug-Eluting Stent After Catheter Break and Stent Loss
Sunil P. Wani,나승운,박지영,Kanhaiya L Poddar,Lin Wang,Sureshkumar Ramasamy,문지미,류상렬,신승용,최운정,박창규,서홍석,오동주,최철웅,임홍의 대한심장학회 2010 Korean Circulation Journal Vol.40 No.8
Break of a stent delivery catheter and subsequent stent loss (SL) has been a rare event in the drug-eluting stent (DES) era. We here report a case of successful retrieval of a stent after a break if the delivery catheter and SL from a balloon catheter at a culprit lesion. We finally resolved this situation using a simple balloon technique for both the broken stent catheter inside of the guide catheter and the unexpanded stent in the culprit lesion. Thus balloons are an important weapon in our armamentarium in the cardiac catheterization laboratory for urgent retrieval of a lost stent. Their apt use definitely allowed our patient to avoid undergoing emergency cardiovascular thoracic surgery.
Enhancement of Semantic Interoperability in Healthcare Systems Using IFCIoT Architecture
Sony P,Siva Shanmugam G,Sureshkumar Nagarajan 한국인터넷정보학회 2024 KSII Transactions on Internet and Information Syst Vol.18 No.4
Fast decision support systems and accurate diagnosis have become significant in the rapidly growing healthcare sector. As the number of disparate medical IoT devices connected to the human body rises, fast and interrelated healthcare data retrieval gets harder and harder. One of the most important requirements for the Healthcare Internet of Things (HIoT) is semantic interoperability. The state-of-the-art HIoT systems have problems with bandwidth and latency. An extension of cloud computing called fog computing not only solves the latency problem but also provides other benefits including resource mobility and on-demand scalability. The recommended approach helps to lower latency and network bandwidth consumption in a system that provides semantic interoperability in healthcare organizations. To evaluate the system's language processing performance, we simulated it in three different contexts. 1. Polysemy resolution system 2. System for hyponymy -hypernymy resolution with polysemy 3. System for resolving polysemy, hypernymy, hyponymy, meronymy, and holonymy. In comparison to the other two systems, the third system has lower latency and network usage. The proposed framework can reduce the computation overhead of heterogeneous healthcare data. The simulation results show that fog computing can reduce delay, network usage, and energy consumption.
Gopalakrishnan, M.,Sureshkumar, P.,Kanagarajan, V.,Thanusu, J.,Thirunavukkarasu, S. Korean Chemical Society 2007 대한화학회지 Vol.51 No.4
NaHSO4·SiO2를 사용하는 solvent-free 조건하에서 E-geometry를 가진 α,β의 불포화산, α-Cyanoacrylonitriles 와 α-Cyanoacrylates의 효율적인 입체선택적 반응을 수행하였다. Efficient stereoselective synthesis of α,β-Unsaturated acids, α-Cyanoacrylonitriles and α-Cyanoacrylates has been carried out in the presence of NaHSO4·SiO2 under solvent?free conditions with an E-geometry.
One-pot Synthesis of 5,7-Diaryl-3,4,6-trihydronaphthalen-2-ones
Gopalakrishnan, M.,Manikandan, H.,Sureshkumar, P.,Thanusu, J.,Kanagarajan, V. Korean Chemical Society 2007 대한화학회지 Vol.51 No.4
sodium ethoxide의 존재하에서 3,5-diaryl-cyclohex-2-en-1-one와 methyl vinyl ketone로부터 5,7-Diaryl- 3,4,6-trihydronaphthalen-2-ones가 합성되었다. 이 생성물은 IR, UV-Visible, 1H-NMR, 13C-NMR 그리고 mass spectral techniques로 구조를 규명하였다. 1H과 13C signals의 피크들은 HSQC spectrum을 찍어 정확히 규명하였다. 5,7-Diaryl-3,4,6-trihydronaphthalen-2-ones have been synthesized from 3,5-diaryl-cyclohex-2-en-1- ones and methyl vinyl ketone in the presence of sodium ethoxide. The products were characterized by IR, UV-Visible, 1H-NMR, 13C-NMR and mass spectral techniques. To confirm 1H and 13C signals, HSQC spectrum was recorded and analyzed.