• 한국전산유체공학회:학술대회논문집
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• 2011.05a
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• pp.469-476
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• 2011

Hemodialysis is essential for patients with end stage renal failure. It is important to improve the patency rate and to minimize occurrence of the stenosis. Also, the blood flow to the artificial kidney can affect the blood flow characteristics though arteriovenous graft. Thus, the delivered dose are important factors for analyzing hemodynamic characteristics during hemodialysis access. In this study, the numerical analysis was performed for the effect of the delivered dose during hemodialysis access on the blood flow through the graft. As a result, The adverse pressure gradient occurred in case of a larger delivered dose through a catheter than standard dose and the flow instability increased. Also the circulation flow appeared largely at anastomotic site of the vein when the delivered dose was exceeded about half blood flow of inlet blood flow.

• Journal of computational fluids engineering
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• v.18 no.3
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• pp.14-19
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• 2013

Renal failure patients have to operate arteriovenous graft for hemodialysis. Blood flow characteristics influence the patency rate of arteriovenous graft. Numerical investigation is performed with the arteriovenous graft according to injection of blood. As a result, when the injection is not applied to venous graft, the low wall shear stress region appears at venous anastomosis. It may cause intimal hyperplasia at venous anastomosis.

• Korean Journal of Optics and Photonics
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• v.13 no.2
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• pp.155-161
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• 2002

The nail bed is located under the finger nail. The arched portions of the nail bed, which contain a large number of capillary loops, are separated by the valley of the nail bed. The valley of the nail bed does not contain capillary loops. Light is scattered when it propagates through the dermis of skin, and human blood strongly absorbs the light with proper wavelength. By use of the optical properties of the nail bed, we propose an optical technique which extracts the nail bed image of the finger nail. After achieving nail bed images of each individual, we correlated between them. The correlation outputs show that we can identify individuals by comparing the peak heights of the correlation outputs.

• Proceedings of the Korean Fiber Society Conference
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• 2003.04a
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• pp.29-32
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• 2003

특수 기능성의 심물질이 평균직경 수 마이크로의 미소한 고분자막으로 둘러싸여 있는 담체를 마이크로 캡슐이라 한다. 이러한 마이크로 캡슐의 주요한 기능은 크게 두가지로 나뉘는데, 심물질을 외부환경으로부터 보호하는 것과 심물질을 외부환경에로 방출하는 속도를 조절하는 것이다. 폴리우레탄은 제조시의 분자조성에 의해 매우 광범위한 특성을 나타낼 수 있는 흥미로운 고분자로 특히, 폴리에테르 폴리우레탄은 우수한 물성, 감염에 대한 우수한 저항성, 그리고 뛰어난 혈액 및 생체 적합성 등으로 인해 많은 연구가 되어져 왔다. (중략)

• Proceedings of the Korean Fiber Society Conference
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• 2002.04a
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• pp.381-383
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• 2002

폴리술폰은 내화학성, 내멸균성, 내가수분해성, 내열성, 강인한 기계적 성질, 내충격성이 우수한 재료로 치수정밀도와 치수안정성이 매우 뛰어난 고분자이다 이런 뛰어난 특성으로 인해 필터 플레이트, 한외여과장치(기체 분리막), 전기ㆍ전자공업분야(전기콘센트소재), 의료용 분야(인공치골, 인공신장기용 박막, 고온에서의 멸균을 필요로 하는 수술용 받침대, 혈액투석용 필터 등) 등 여러 분야에서 이용되고 있다. (중략)

• Proceedings of the KSAR Conference
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• 2002.06a
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• pp.7-7
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• 2002

체세포 복제기법에 의한 복제란 이식우는 수태율이 매우 낮은 것으로 보고되어 있으며, 분만지연 및 유ㆍ사산의 발생율이 높은 실정이므로, 이에 대한 근본적인 원인 분석이 요구되고 있다. 본 연구는 체세포 복제 한우의 수태율이 낮은 원인을 규명하고, 특히 분만직후의 체세포 복제 송아지의 생존율을 증진하기 위해 복제란 이식우의 임신 말기의 생리적 특성을 검토하였다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2001.10a
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• pp.377-378
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• 2001

어류에 질병을 일으키는 Vibrio속 세균은 V. anguillarum을 비롯하여 약 11종 정도가 보고 되어있다 (Edward, 1995). 2000년 12월에 제주도내 한 양식장의 양식넙치 중 세균성질병에 감염된 것으로 추정되는 병어로부터 혈액한천배지에서 녹색의 용혈환을 나타내는 그람음성세균이 분리되었다. 검체에서 기생충 및 다른 세균은 검출되지 않아 병어의 질병은 분리된 세균에 의한 것으로 판단하였으며, 생화학적 특징 및 유전자 분석 결과 補온속의 세균으로 추정되어 그 세균학적 특성을 보고하고자 한다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2001.05a
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• pp.205-206
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• 2001

녹조류 중 갈파래(Ulva sp.)는 유럽에서도 오래전부터 식용으로 이용되어 다양한 식품학적 및 생리 기능성에 관한 연구가 진행되어 오고 있다. 갈파래의 주요 특성의 하나는 육상 식물과 달리 황산기를 함유한 다당을 다량 함유하고 있으며, 이 산성 다당은 항종양성, 항 virus성, 면역활성증간 항혈액 응고작용 등이 보고되어 있으며, 국내에서도 홑파래에서 추출한 당단백질이 Sarcoma-180 cell에 대한 항암효과 및 면역활성이 있다고 보고된 바 있다(이 등, 1992). (중략)

• Journal of the Korean Magnetics Society
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• v.16 no.3
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• pp.157-162
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• 2006

In this study, a high sensitive giant magnetoresistance-spin valve (GMR-SV) bio-sensing device with high linearity and very low hysteresis was fabricated by photolithography and ion beam deposition sputtering system. Detection of the Fe-hemoglobin inside in a red blood and magnetic nanoparticles using the GMR-SV bio-sensing device was investigated. Here a human's red blood includes hemoglobin, and the nanoparticles are the Co-ferrite magnetic particles coated with a shell of amorphous silica which the average size of the water-soluble bare cobalt nanoparticles was about 9 nm with total size of about 50 nm. When 1 mA sensing current was applied to the current electrode in the patterned active GMR-SV devices with areas of $5x10{\mu}m^2 $ and $2x6{\mu}m^2 $, the output signals of the GMRSV sensor were about 100 mV and 14 mV, respectively. In addition, the maximum sensitivity of the fabricated GMR-SV sensor was about $0.1{\sim}0.8%/Oe$. The magnitude of output voltage signals was obtained from four-probe magnetoresistive measured system, and the picture of real-time motion images was monitored by an optical microscope. Even one drop of human blood and nanopartices in distilled water were found to be enough for detecting and analyzing their signals clearly.

• Journal of agriculture & life science
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• v.45 no.1
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• pp.67-77
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• 2011

This study was conducted to investigate the effects of bio-ion water on growth performance, blood characteristics and meat quality in pigs. Ninety nine crossbreed pigs $(Landrace{\times}Yorkshire{\times}Duroc)$ were randomly allotted to three treatments; CON (basal diet), T1 (basal diet with bio ion water from growing period), T2 (basal diet with bio ion water from finishing period). There were no significant differences in growth performance and carcass characteristics of pigs among treatments. The red blood cell and white blood cell were significantly higher (P<0.05) in diet added with bio ion water than the control. Proximate analysis (%), meat color, pH, drip loss (%), cooking loss (%) and shear force $(kg/cm^{2})$ were not significantly different (P>0.05) among treatments. The treatment 1 had lower saturated fatty acid (SFA) to unsaturated fatty acid ratio, but higher UFA concentration than those of control. The aroma of cooked meat in T1 was higher than other treatments. Thereby, overall acceptability sensory score of cooked meat in T1 tended to be higher than other treatments.