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여용주(Yeo Yong-Joo),윤인영(Yoon In-Young),남정인(Nam Joung-In),최윤석(Choi Yoon-Seog) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Talk-Back systems comprised of master-equipment at the control room and slave-equipment at turnouts refer to the intercommunication facilities that optimize mutual communication between maintenance staff on trackside and the control room to facilitate quickness and accuracy of train operation control and its maintenance within depot and on mainlines with turnouts for direction switching of the trains in operation. The weakness lies in additional maintenance costs of cables since the Talk-Back system installed on line 1 along with line 2-4 has a profound effect on the voice quality leading to the attenuation and crosstalk of the system due to the deterioration of cables and environmental factors. This paper discusses the Talk-Back system in a radio communication environment with the application of RF(Radio Frequency) communication system from the wire communication system by cables to ameliorate these problems, and deals with the energy saving environmentally friendly facilities in consideration of replacing power section at salve-equipment with solar batteries benefitting the system in light of energyconsumption.
Kyungjae Andrew Yoon,Kyungmun Kim,A-Young Kim,Young Han Park,Woo Young Bang,Chang Hwan Bae,Joo-Hong Yeo,Young Ho Koh,Si Hyeock Lee 한국응용곤충학회 2016 한국응용곤충학회 학술대회논문집 Vol.2016 No.10
Bombolitin is a venom peptide originally isolated from bumblebees and possesses various biological activities, including hemolytic activity. Bombolitins exhibit amphipathic α-helical structure in lipid-membrane-mimicking environments. To investigate their pharmacological and toxicological properties, anti-tumor, anti-microbial and cytotoxic activities of bombolitins from Bombus ardens and Bombus ussurensis were evaluated. Bombolitins of the two species exhibited extremely high anti-tumor activity against ovarian tumor cells SK-OV-3 and NIH; OVCAR-3 at 25-50 μM, which is 2-fold more potent than other wasp venom peptides studied to date (Yoon et al., 2015; Yoon et al., 2016). The two bombolitins showed significantly high antimicrobial activity. However, bombolotin of B. ussurensis showed no antimicrobial activity against Escherichia coli. In addition to their high levels of anti-tumor activity, bombolitins showed considerable levels of hemolytic activity. Thus, to utilize bombolitins as a potential candidate for anti-tumor peptide drugs, further studies for reducing cytotoxic properties of bombolitns is essential.
Biomass Production of Anoectochilus formosanus Hayata in a Bioreactor System
( Yeo Joong Yoon ),( Hosakatte Niranjana Murthy ),( Eun Joo Hahn ),( Kee Yoeup Paek ) 한국식물학회 2007 Journal of Plant Biology Vol.50 No.5
We investigated the factors that affect biomass production from Anoectochilus formosanus in a bioreactor system. Those factors included inoculum size, initial sucrose concentration, media supplements, photosynthetic photon flux density (PPFD), and culturing methods. An inoculum size of 8 g L-1 was most suitable for shoot proliferation; biomass accumulation was optimized when the medium was supplemented with 3% sucrose compared with sucrose-free media or those containing concentrations of 6% or 9%. This accumulation also was enhanced under a PPFD of 50 μmol m-2 s-1. Likewise, the addition of coconut water (50 mL L-1) plus activated charcoal (0.5 mg L-1) to our Hyponex medium proved most beneficial. Comparative studies among three bioreactor systems - continuous immersion, raft (net), and temporary immersion (the ebb and flood system) - revealed that shoot proliferation and biomass accumulation were more efficient when culturing was performed under continuous immersion.
Joo, Ji-Yong,Park, Jae-Yong,Yoon, Yeo-Hoon,Choi, Bobae,Kim, Jin-Man,Jo, Young Suk,Shong, Minho,Koo, Bon Seok Issued for the Endocrine Society by the Williams W 2012 The Journal of clinical endocrinology & metabolism Vol.97 No.11
<P>Few reports have determined whether preoperative detection of the BRAF V600E mutation in fine-needle aspiration biopsy (FNAB) may influence determination of surgical extent such as prophylactic central lymph node dissection (CLND) in patients with papillary thyroid carcinoma (PTC).</P>