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김기준,김희라,이자현,기광연,이정현,한태호,최정근 한국자원식물학회 2007 한국자원식물학회지 Vol.20 No.1
- Efficient pollination needs abundant fertile pollen in rose breeding. This study was performed to find outefficient staining methods for the detection of fertile pollen. Aceto-carmine and Alexander's stain gave similar results interms of percentage of normal pollen. Fluorochromatic reaction (FCR) showed the lowest normal pollen percentagebecause FCR stained only fertile pollen while others stained cytoplasm. Toluidine blue O (TB) showed similarpercentage of normal pollen to Aceto-carmine and Alexander's, but could not clearly distinguish the clustered abnormalpollens. Alexander's stain was easy and simple, but difficult to distinguish fertile and infertile pollen. FCR showed onlyfertile pollen. Alexander's stain showed approximate fertility and FCR showed exact pollen fertility.Key words - Alexander’s stain, Fluorochromatic reaction (FCR), Fertile pollen, Rose breeding
김기준,이주엽,성완모 한국유화학회 2014 한국응용과학기술학회지 Vol.31 No.2
혼탁매질에서 형광, 산란과 응집의 영향은 파장과 산란된 형광세기로 나타내는데, laser induced fluorescence(LIF) 분광학에 의한 분자특성으로 나타난다. 산란매질에서 광학적 효과는 광학적 파라미터들(μs, μa, μt)에 의해 표현되고 응집은 고-액상 분리공정과 Photodynamic therapy에서 중요하게 활용되고 있다. 따라서 입자가 서로 접근될 때 콜로이드 입자들의 상호작용을 LIF와 응집효과로 분석하였다. 우리는 레이저 광원에서 검출기까지 농도의 함수에 의해 in vitro 시료의 산란과 형광 스펙트라를 측정하였다. 산란계수 μs는 산란체의 입자가 증가함에 크게 나타났다. 그리하여 Phorphyrin A 는 Phorphyrin C보다 산란세기는 증가하였으나, 침투깊이 δ는 감소하였다. The influences of fluorescence, scattering, and flocculation in turbid material were interpreted for the scattered fluorescence intensity and wavelength, it has been studied the molecular properties by the spectroscopy of laser induced fluorescence(LIF). The effects of optical properties in scattering media have been found by the optical parameters(μs, μa, μt). Flocculation is an important step in many solid-liquid separation processes and is widely used in Photodynamic therapy. The interactions of several colloid particles can come into play which have major effect on the flocculation and LIF process. We measured scattering and fluorescence spectra of the sample for in vitro as function of concentration from lase source to detector. The value of scattering coefficient μs is large by means of the increasing particles of scatterer. Therefore, Phorphyrin A is larger than Phorphyrin C in scattering intensity μs, but Phorphyrin A is smaller than Phorphyrin C in penetration depth δ.
L-Aspartic Acid의 무질서하게 분포된 매질에서 파동전개와 변동에 관한 연구
김기준,이주엽 한국유화학회 2012 한국응용과학기술학회지 Vol.29 No.1
L-arpartic acid의 산란혼탁매질에서 형광, 산란과 응집의 영향은 파장과 산란된 형광세기로 나타내는데, laser induced fluorescence(LIF) 분광학에 의한 분자특성으로 나타난다. 산란매질에서 광학적 효과는 광학적 파라미터들(μs, μa, μt)에 의해 표현되고 응집은 고-액상 분리공정에서 중요하게 활용되고 있다. 따라서 입자가 서로 접근될 때 콜로이드 입자들의 상호작용을 LIF와 응집효과로 분석하였다. 레이저 광원에서 검출기까지 농도의 함수에 의해 농도가 묽어짐에 따라 산란세기가 기하급수적으로 감소함을 알 수 있다. 이는 유지화학, 생의학 생성물, 레이저 의학, 의공학 분야적용에 LIF와 입자이동 현상은 아주 적합한 모델 연구에 큰 도움이 될 것이다. The influences of fluorescence, scattering, and flocculation in turbid material by light scattering of L-aspartic acid, preservative and emulsifier were interpreted for the scattered fluorescence intensity and wavelength. They have been studied the molecular properties by the spectroscopy of laser induced fluorescence (LIF) and flocculation. The effects of optical properties in scattering media have been found by the optical parameters(μs, μa, μt). Flocculation is an important step in many solid-liquid separation processes and is widely used. When two particles approach each other, interactions of several colloid particles can come into play which may have major effect on the flocculation and LIF process. The values of scattering coefficient μs are large by means of the increasing scattering of scatterer, The values have been found that the slope decays exponentially as a function of concentration from laser source to detector by our experimental result. It may also aid in designing the best model for oil chemistry, bio-pharmaceutical products, laser medicine and application of medical engineering on LIF and coagulation in particle transport mode.
Submental Intubation with Reinforced Tube for Intubating Laryngeal Mask Airway
김기준,이종석,김형준,하지영,박현,한동우 연세대학교의과대학 2005 Yonsei medical journal Vol.46 No.4
Submental endotracheal intubation is a simple and secure alternative to either nasoendotracheal intubation or a tracheostomy in the airway management of maxillofacial trauma. However, a submental endotracheal intubation is quite difficult to manage if adverse events such as a tube obstruction, accidental extubation, or a leaking cuff with the endotracheal tube in the submental route occur, which could endanger the patient. This paper describes the use of a LMA-FastrachTMETT in the submental endotracheal intubation of patients suffering from maxillofacial trauma. One of the patients was a 16-year-old male, and the other was a 19-year-old male. They were scheduled for an open reduction and internal fixation of the maxillofacial fracture including naso-orbital-ethmoidal (NOE) complex, and a zygomaticomaxillary complex fracture. A submental intubation with a LMA-FastrachTMETT was performed in both cases, and the operation proceeded without any difficulties. These cases show that the use of the LMA- FastrachTMETT can improve the safety and efficacy of submental endotracheal intubation. This is because the LMA- FastrachTMETT has a freely detachable connector, and is flexible enough to keep the patency despite the acute angle of airway.