http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Nephelometry법에 의한 IgG Subclass 참고치 설정
류정록 ( Jung Rok Ryu ),남현철 ( Hyun Chul Nam ),허봉수 ( Bong Soo Hur ) 대한임상검사과학회 2003 대한임상검사과학회지(KJCLS) Vol.35 No.2
We developed nephelometric assays on the Beckman Array 360 Nephelometry analyzer that allow a quantification of IgG subclass concentrations in 100 samples quickly and reproducibly. We have established new reference ranges the human IgG subclass in sera of adults. These reference ranges are the central 95th percentile of results from a study of 100 apparently healthy individuals(44 females, 56 males). The reference ranges of IgG subclasses in sera are IgG1 447-1260 mg/dL, IgG2 246-900 mg/dL, IgG3 15-147.6 mg/dL, and IgG4 12-104.4 mg/dL respectively.
류정록 ( Jung Rok Ryu ),안진수 ( Jin Su An ),박지영 ( Gi Young Park ),남현철 ( Hyun Chul Nam ) 대한임상검사과학회 2003 대한임상검사과학회지(KJCLS) Vol.35 No.1
Lipases are glycoproteins with a molecular weight of 47000 daltons and are defined as triglyceride hydrolases. They catalyze the cleavage of diglycerides with the subsequent formation of monoglycerides and fatty acids. We evaluated serum lipase CX-7 Delta(1-2 diglyceride substrate) and Integra 700(1, 2-O-dilauryl-rac-glycero-3-glutaric acid-(6-methylresorufin) ester substrate). Within-run CVs of two level serums were 4.1% and 3.0%. The between-run CVs were 3.5%, 3.9%, respectively. The comparison between Integra700(y) and CX-7(x) resulted in a linear regression analysis described by the equation: y=3.002x+36.26 with a correlation coefficient r=0.9884.
이창규 ( Chang Kyou Lee ),이승관 ( Seung Gwan Lee ),조경진 ( Kyung Jin Cho ),박종성 ( Jong Sung Park ),정수경 ( Su Kyung Jung ),유병서 ( Byoung Seo Yoo ),박상숙 ( Sang Suk Park ),유정록 ( Jung Rok Ryu ),남현철 ( Hyun Chul Nam ) 대한임상검사과학회 1998 대한임상검사과학회지(KJCLS) Vol.30 No.3
Since the Korean Association of Quality Assurance for Clinical Laboratory was established in 1976, the numbers of the participating hospitals nowadays were increased from 40 to 450 or more hospitals all over the country. In the early day the both internal and external quality control programs were started at the same time, however, the external QC programs prevailed over the internal ones putting the cart before the horse. The accuracy and the precision of the data are not satisfying in spite of the 20 years experiences of quality control programs. All the daily data should be reported after the validity is assured by the self-evaluation not by third party evaluation. It is regret that the CVs of enzymatic tests in external QC are exceeding 100/0 and there is no sign of diminishing CVs. One of the major reasons is that the types of anaytical instrurments and reagents are diverisified. Moreover, most of them are subject to the standards of the respective country of manufacturer. Accordingly, we can make a suggestion that the reagents and instruments should be instruments or supplied meeting the established requirements for Korean standardization.
IFCC인정 혈장단백표준품(CRM470)에 의한 면역단백 측정에 관한 연구
이창규,이승관,류정록,남현철,김상섭,박은병,김재영 高麗大學校 倂設 保健大學 保健科學硏究所 1996 保建科學硏究論集 Vol.5 No.1
Measuring proteins is unlike measuring ions and small molecules for which the chemical and physical properties are well understood. Assaying large proteins requires comparing the test sample with a reference materials. Quality Control surveys in recent years, in various parts of the world, have shown poor between laboratory agreement for measurments of immunoglobulins. Values for the commonly measured proteins may have varied a considerable amount among method depending on the protein measured and the standard materials by the manufacturer. The College of American Pathotogists and the Bureau Economic Communitaire de Reference of the European Economic Community have recently released Reference Preparation for Proteins in Human Serum(RPPHS). The assay for IgG and IgM using CRM470 standard were compared with conventional method. There was a good correlation among two methods. However, the mean value in IgG obtained by the CRM470 method was a slightly lower than that by the conventional method, but higher than that by the conventional method in IgM.
직접효소측정법에 의한 HDL-cholesterol 측정법의 평가
이승관,이창규,김상섭,류정록,남현철,이국성,최명재,김승희 高麗大學校 倂設 保健大學 保健科學硏究所 1996 保建科學硏究論集 Vol.5 No.1
We evaluated a new direct assay for quantifying high-density lipoprotein cholesterol. The total CVs of the method ranged between 3.2% and 10.5%. The recovery rates of this method ranged between 99% and 102%. Correlation study were conducted across direct enzymatic method with phosphotungstate precipitation based method as the reference assay. The correlation statistic obtained for 20 specimens were : HDL-cholesterol direct enzymatic assay (Y, DAIICHI Co.) = 1.05735 × precipitation assay(X, Eiken Co.) - 1.6340. Statistics obtained for 40 specimens wane : HDL-cholesteTol direct enzymatic assay(Y, DAHCHI Co.) = 1.00565 × precipitation assay(X, DAHCHI Co.) + 0.40130. Studies from linear relationship statistics had shown that there were no evidence for difference between two methods. In conclusion, the method evaluated here is simple and reliable for measuring HDL-cholesterol in serum without the need for prior separation of other fractions.
이창규,이승관,류정록,남현철,강영태,장철수 高麗大學校 倂設 保健大學 保健科學硏究所 1995 保健科學論集 Vol.21 No.1
Results of clinical laboratory tests are used in many medical situations. Ideally, the standards of test performance required to fulfill medical needs should be well defined, particularly standards for the important reliability performance characteristics, namely, imprecision and bias. Given that the objective of standardization is to ensure that the same result is obtained regardless of how, where, or by whom the test is done. The most stringency of the precision goals set by the other studies are those for calcium, sodium, chloride and potassium (CVs of≤5%), analytes under tight homeostatic control. From the results of this study, we conclude that matrix-induced biases may occur when commercial lyophilized control materials are used with some analytic systems, and that the amount and nature (positive or negative) of the observed biases are instrument, reagent, and method specific.
Peroxidase 짝지음 반응에 의한 혈청 Creatinine측정에 관한 연구
이승관,이창규,이동호,박종성,류정록,남현철,김상섭 高麗大學校 倂設 保健大學 保健科學硏究所 1995 保健科學論集 Vol.21 No.1
Recently, clinical laboratory employing enzymatic method for creatinine has been increased. In this study the enzymatic reaction are coupled to a sensitive peroxidase indicator system. We applied this assay to Hitachi 747. Comparison with the Jaffe method(XI:Hitachi 747, X2:Astra) gave for serum(n=51):y=0.890X1-1.129, r=0.999, range 5.1-220.6 and y=0.771X2-0.315, r=0.983, range 34∼287.3. Measurements of creatinine in clinical serum specimens agreed with those obtained by one enzymatic method and two picric acid methods. ANOVA revealed a significant(P<0.05) dependence of creatinine on method in some group (the concentration of creatinine & bilirubin 442∼1502μ㏖/L, 17∼205/㏖/L, respectively). In icteric samples, there were some tendencies of discrepant results between enzymatic method and alkaline picrate methods for creatinine determination. The enzymatic assay of creatinine in serum was not affected to the extent of 547μ㏖/L by the addition of bilirubin.