Abstract:
본 발명은 생체 시료를 효소 가수 분해하는 단계; 가수 분해된 생체 시료를 85 내지 99%의 메탄올로 용출하는 단계; 및 용출한 생체 시료를 기체크로마토그래피-질량 분석법(GC-MS)으로 분석하는 단계를 포함하는 생체 시료 내 다환 방향족 탄화수소 대사체 분석 방법을 개시한다.
Abstract:
PURPOSE: An analysis method of a polycyclic aromatic hydrocarbon metabolite is provided to effectively and accurately analyze the polycyclic aromatic hydrocarbon metabolite in a biomaterial sample. CONSTITUTION: An analysis method of a polycyclic aromatic hydrocarbon metabolite comprises the following steps: enzyme-hydrolyzing a biomaterial sample; eluting the biomaterial sample using 85-99% of methanol; and analyzing the eluted biomaterial sample using a gas chromatography-mass spectrometry method. A biomarker for the exposure diagnosis of polycyclic aromatic hydrocarbon degree contains the polycyclic aromatic hydrocarbon metabolite analyzed by the method.
Abstract:
본 발명은, 분석 물질의 흡착이 가능한 고정상이 피복되어 있는 SPME (Solid Phase Microextraction, 고체상 미량 추출) 파이버를 시료 수면 위의 헤드스페이스(headspace: HS)에 노출시켜 장착하여 수질 시료 또는 생체 시료 내의 PAHs (polyaromatic hydrocarbons) 및 PCBs (polychlorinated biphenyls)를 흡착시키고, 상기 PAHs 및 PCBs가 흡착된 파이버를 고온의 기체 크로마토그래피 주입구에서 탈착시킨 후, 기체 크로마토그래피/질량 분석기에서 분석하는 단계를 포함하는, 시료 중 미량으로 존재하는 PAHs 및 PCBs의 동시 검출 방법에 관한 것이다. 본 발명의 검출 방법은 일반적인 수질 시료 외에도 뇨 또는 혈액과 같이 보다 복잡한 매트릭스를 포함하는 생체 시료에도 적용 가능하며, 감도가 우수하고 유기 용매를 사용하지 않고 전처리 과정이 필요없기 때문에 환경적, 경제적으로 유익하다.
Abstract:
PURPOSE: A method for determination of amitrole is provided to analyze amitrole in a water sample to the extent in extremely small quantities rapidly and economically. CONSTITUTION: The method for determination of amitrole in a water sample comprises the step of: concentration of the water sample, derivatization by isobutyl chloroformate and analysis of amitrole by a gas chromatography or a gas chromatography/mass spectrometer. In the method, the concentration step is carried out by employing a rotary vacuum evaporator, the derivatization step comprises adding 40-60 l of isobutyl chloroformate to the concentrated sample to react the resultant at room temperature for 15 to 20 min. or comprises dissolving the concentrated sample in 150-250 l of methylene chloride and then adding thereto, 40-60 l of isobutyl chloroformate to react the resultant at room temperature for 15 to 20 min.
Abstract:
PURPOSE: A method of concurrent-detecting micro acid pesticides is provided to concurrently extract and detect ten kinds of pesticides from the samples of water or soil in an effective manner. CONSTITUTION: In a method of co-detecting micro acid pesticides, samples are taken from the water or soil, and a strong-base material is added to the samples to make a mixture. The mixture is bathed, and hydrolyzed. The mixture is acidified by a strong acid solution, and the target is extracted from the acidified mixture by using an organic solvent. The extract is derivatized in reaction with trifluoro acetic acid anhydride and trifluoro ethanol. The derivatized extract is directly put in a gas chromatograph, or a gas chromatograph/a mass spectrograph to concurrently detect the micro acid pesticides.