1.CLINICAL VALUE OF PULSE AND BLOOD OXYGEN SATURATION MONITORING IN ESOPHAGOGASTRODUODENOSCOPY
Jun CHEN ; Jinhua ZHANG ; Zongshun CHEN
Chinese Journal of Digestive Endoscopy 1996;0(05):-
The purpose of this study was to reseach the relationship between the upper gastroin- testinal endoscopy and heart rare and blood oxygen saturation (SaO2 ) , 62 patients were examined by (esophagogastroduodenoscopy , EGD ) and monitored with a transcutaneous pulse oximeter simultane- ously. The mean age was 44. 5 years (range 21 - 68) , 30 males and 32 females. No sedative drugs and at- ropin were used. The mean pulse and SaO2 value before endoscopy were 94. 12/min and 97. 68%. During the ECD SaO2 was slightly decreased by a mean of 1 . 61% ( P 100/min accounted for 61 . 3%, it was more than preendoscopy (P
2.A Sensitive HPLC Technique for the Quantitation of Dauricine
Shujuan CHEN ; Yimei YANG ; Li ZHANG ; Xuebing PANG ; Zongshun DAI ; Fandian ZENG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2000;20(1):39-42
To establish the determination method of dauricine (Dau) concentration in rats' blood and other biological samples, a reverse-phase HPLC method was adopted. Under the given condition, dauricine could be well separated. The retention time (tR) of Dau and its internal standard,daurisoline were 9.2 and 6.1 respectively. The detection limit was 10-2 mg/ml. The absolute recoveries of all kinds of samples were above 70%, and the relative ones were over 85%. A good liner relationship has been obtained over the entire range of 0.030 to 3.000 mg/L in blood samples and 0.050 to 5.000 mg/L in other tissue samples. The intraday and interday coefficients of variation were below 10%. The results showed that the method can be used for detecting Dau in all kinds of biological samples.
3.A Sensitive HPLC Technique for the Quantitation of Dauricine
Shujuan CHEN ; Yimei YANG ; Li ZHANG ; Xuebing PANG ; Zongshun DAI ; Fandian ZENG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2000;20(1):39-42
To establish the determination method of dauricine (Dau) concentration in rats' blood and other biological samples, a reverse-phase HPLC method was adopted. Under the given condition, dauricine could be well separated. The retention time (tR) of Dau and its internal standard,daurisoline were 9.2 and 6.1 respectively. The detection limit was 10-2 mg/ml. The absolute recoveries of all kinds of samples were above 70%, and the relative ones were over 85%. A good liner relationship has been obtained over the entire range of 0.030 to 3.000 mg/L in blood samples and 0.050 to 5.000 mg/L in other tissue samples. The intraday and interday coefficients of variation were below 10%. The results showed that the method can be used for detecting Dau in all kinds of biological samples.
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