• 제목/요약/키워드: Bio Industry

검색결과 1,624건 처리시간 0.028초

Low-ε Static Probe Development for 15N-1H Solid-state NMR Study of Membrane Proteins for an 800 MHz NB Magnet

  • Park, Tae-Joon;Choi, Sung-Sub;Jung, Ji-Ho;Park, Yu-Geun;Kim, Yongae
    • Bulletin of the Korean Chemical Society
    • /
    • 제34권3호
    • /
    • pp.823-826
    • /
    • 2013
  • A low-${\varepsilon}$ solid-state NMR(Nuclear Magnetic Resonance) probe was developed for the spectroscopic analysis of two-dimensional $^{15}N-^1H$ heteronuclear dipolar coupling in dilute membrane proteins oriented in hydrated and dielectrically lossy lipid environments. The system employed a 800 MHz narrow-bore magnet. A solenoid coil strip shield was used to reduce deleterious RF sample heating by minimizing the conservative electric fields generated by the double-tuned resonator at high magnetic fields. The probe's design, construction, and performance in solid-state NMR experiments at high magnetic fields are described here. Such high-resolution solid-state NMR spectroscopic analysis of static oriented samples in hydrated phospholipid bilayers or bicelles could aid the structural analysis of dilute biological membrane proteins.

순천 상내리 갯골에 출현하는 농어(Lateolabrax japonicus) 치어의 식성 (Feeding habits of juvenile sea perch, Lateolabrax japonicus in tidal creek at Sangnae-ri Suncheon, Korea)

  • 정재묵;김현지;예상진;염시동;박종혁;백근욱
    • 수산해양기술연구
    • /
    • 제51권2호
    • /
    • pp.221-226
    • /
    • 2015
  • During the study periods, total 143 individuals of Lateolabrax japonicus were collected. Body length (BL) range was 2.0-11.8 cm. Empty stomach occurred in 8.4%. The most abundant prey was copepods. Among copepods, Tigriopus japonicus was the most abundant prey appeared 32.1 in %F. Next important prey was shrimps and mysids. The results of analysis in ontogenetic changes, main prey of two small size classes (2.0-3.9 cm, 4.0-5.9 cm) were copepods. Thereafter, copepods percentage was decreased, but shrimps, mysids, fishes percentage was increased by increasing body length from 8.0 cm< size class.

Strategies for activation of the domestic chocolate culture and development of new chocolate market: Activation of chocolate market through fusion with Herbal Bio-industry

  • Kwon, Hyo-Jeong;Lee, Seing-Heon;Jung, Ji-Wook
    • Journal of Evidence-Based Herbal Medicine
    • /
    • 제3권1호
    • /
    • pp.25-33
    • /
    • 2010
  • The aims of this study recognize the limitations of the domestic chocolate market compared to domestic and foreign chocolate market and investigate the strategies for activation of the domestic chocolate culture and development of new chocolate market throughout pointing out the various problems. We analyzed the trends for the food market and confectionery market, main market for chocolate, and also compared domestic and foreign cases for market of chocolate as food or non-food. We sought for solutions and implications for diversification of domestic chocolate market through prospects for the future. Domestic chocolate market is not enough to be competitive compared with overseas market, yet. However, we speculated that domestic chocolate market would gradually develop through fusion with herbal bio-industry as rapid economic development. Besides, we demonstrated a few ways which derive larger development through combination of chocolate market and herbal bio-industry. For these sakes, we suggest that at first, if paradigm which is considered oriental medicinal characters and back innovative and differentiated ideas should be present, the activation of markets of chocolate and herbal bio-industry as well as the diversities of market may be obtained.

  • PDF

Construction of 1H-15N Double Resonance Solid-State NMR Probe for Membrane Proteins in Aligned Bicelles

  • Park, Tae-Joon;Kim, Ji-Sun;Um, Seung-Hoon;Kim, Yong-Ae
    • Bulletin of the Korean Chemical Society
    • /
    • 제31권5호
    • /
    • pp.1187-1191
    • /
    • 2010
  • $^1H-^{15}N$ heteronuclear dipolar coupling solid-state NMR experiments on lipid bilayer or bicelle samples are very useful for the structural studies of membrane proteins. However, to study these biological samples using solid-state NMR, a specific probe with high efficiency and high capability is required. In this paper, we describe the optimized design, construction, and efficiency of a 400 MHz wide-bore $^1H-^{15}N$ solid-state NMR probe with 5-mm solenoidal rf coil for high power, multi-pulse sequence experiments, such as 2D PISEMA or 2D SAMMY.

Bio-oil이 디젤기관의 기관성능에 미치는 영향 (An Effect in of the Bio-oil as an Alternative Fuel on the Performance of Diesel Engine)

  • 조기현;정형길;강형수
    • 한국산업융합학회 논문집
    • /
    • 제4권1호
    • /
    • pp.11-19
    • /
    • 2001
  • This study was carried out to investigate the feasibility of the used frying oil as a bin-oil which was one of the alternative fuel for diesel engine. From tests of engine performance, it was shown that the bio-oil and blends and the sufficient potential as alternative fuels of diesel engine except NOx and Smoke emission.

  • PDF