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1.
采用HPLC-荧光检测法测定舒他西林片中氨苄青霉素的血药浓度,采用SpherisorbODS柱,流动相为磷酸盐缓冲液(0.05mol/L,pH=4.0)-乙腈(7822,V/V),标准曲线范围0.22~13.89μg/ml,r=0.9997,保留时间为7.3min,回收率大于95%,日内和日间差小于7%,最低检测浓度为0.22μg/ml,无内源性杂质干扰。9名受试者的主要药动学参数:T1/2=1.04±0.22h,Cmax=12.35±3.13μg/ml,Tmax=0.83±0.45h,AUC=19.49±3.46μgh/ml。  相似文献   

2.
紫外分光光度法测定诺氟沙星胶囊的含量和溶出度   总被引:1,自引:0,他引:1  
傅军  邓红 《广东药学院学报》1995,11(4):231-232,235
用紫外分光光度法测定诺氟沙星胶囊的含量和溶出度,测定波长为227nm,在1.6 ̄5.6ug/ml浓度范围内呈线性相关(r=0.9998),回归方程A=0.12475C-0.0066,平均回收率为100.5%,(RSD=0.8%,n=5)。  相似文献   

3.
采用HPLC-荧光检测法测定舒他西林片中氨苄青霉素的血药浓度,采用Spherisorb ODS柱,流动相为磷酸盐缓冲液(0.05mol/L,pH=4.0)-乙膊(78:22,V/V),标准曲线范围0.22 ̄13.89μg/ml,r=0.9997,保留时间为7.3min,回收率大于95%。日内和日间差小于7%,最低检测浓度为0.22μg/ml,无内涛性杂质干扰。9名受试者的主要药动学参数:T1/2=  相似文献   

4.
采用反相高效液相色谱法同时测定了洗必泰及有关杂质对氯苯胺浓度。用Zorbax-C_8柱,0.2mol/LNaH_2PO_4(pH3.0)-甲醇(49.5:50.5)为流动相,非那西丁为内标,240nm波长检测。本法简便准确,重现性好。洗必泰和对氯苯胺分别在15~200μg/ml和60~1200μg/ml浓度范围内线性关系良好(r=0.9999),最低检测限分别为1.33μg/ml和7.5μg/ml(S/N=3:1),平均回收率分别为100.1%和103.1%。相对标准偏差R50%分别为1.41%和1.14%。  相似文献   

5.
应用UltrasphereOctyl柱,建立了快速测定人血清中抗坏血酸含量的反相HPLC法。流动相为醋酸盐缓冲液(pH5.25)。电化学检测器用碳膜电极和甘汞参比电极,工作电压+0.60V,灵敏度100nA/V。抗坏血酸的平均回收率为100.46%,日内(n=5)和日间(n=8)的平均变异系数分别为3.85%和6.80%。最低检出浓度为0.136μg/ml,线性范围0.136μg/ml~13.6μg/ml(n=9,r=0.9999)。  相似文献   

6.
采用高效液相色谱法民药舒脑屡胶囊中葛根素的含量,为控制其制剂的质量年代了可靠而简便的方法。经方法学考察,本法以甲醇-水(25:75)为流动相、流速1.0ml/min;UV检测波长250nm;柱温40℃。结果葛根素在10 ̄100mg/L范围内呈良好线性关系(r=0.9999),平均回收率为98.98%,RSD=1.6%。  相似文献   

7.
HPLC测定氨酚待因片中磷酸可待因含量及含量均匀度   总被引:1,自引:0,他引:1  
采用高效液相色谱法,以含有0.05ml/LIPR-B6,0.00375mol/L三乙胺和2%醋的甲醇水(30:70)为流动相,检测波长254nm,测定氨酚待因中磷酸可待因的含量及含量的均匀度。结果磷可待在0.05-0.12mg/ml范围范围内呈良好线性关系,r=0.9995。平均回收率100.6%(n=5)RSD-0.43%。方法简便、灵敏、快速、准确,获得满意的测定结果。  相似文献   

8.
建立高效液相色谱法测定注射用他唑巴坦钠/哌拉西林钠的含量。采用C18柱,以甲醇-水-10%氢氧化四丁基铵溶液(450.535:15,用磷酸调节PH至3.5)为流动相,检测波长为230nm,线必有拉西林0.8~1.6mg/ml,他唑巴相0.02~0.2mg/ml,回收率分别为99.7%,100.1%,RSD分别为0.8%,0.9%(n=6)。  相似文献   

9.
采用HPLC法测定撒痛风注射液中咖啡因、安替比林和水杨酸钠的含量。色谱条件为:KromasilC18色谱柱,流动相为20mmol/L磷酸二氢钾-甲醇-冰醋酸(55250.4),流速1ml/min,检测波长为242nm,线性范围:咖啡因14.0~140.0μg/ml,r=0.9998;安替比林27.0~270.0μg/ml,r=0.9998;水杨酸钠0.1~1.0mg/ml,r=0.9999。加样回收分别为:咖啡因100.8%;安替比林100.6%;水杨酸钠99.1%,RSD均小于0.5%。  相似文献   

10.
目的:建立了RP-HPLC法分离和测定异长春花碱注射液的含量。方法:SpherisorbC18柱,流动相0.05mol/LKH2PO4(用H3PO4调pH为4. 0)-乙晴(60:40),检测波长:268nm。结果:异长春花碱的线笥范围为0~100ug/ml,r=0.9999,平均回收率为100。98%(n=6),RSD =3.73%。结论:该法不需经提取分离,稀释后直接进样,简便,准确,适于生产中使  相似文献   

11.
Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P < 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (>0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P <0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P < 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.  相似文献   

12.
Objective: To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods: SD rats served as both donors and recipients. 4℃ sodium lactate Ringer's was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava (IVC) inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results: Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion: This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.  相似文献   

13.
目的:评价使用安心颗粒对急诊经皮冠状动脉介入术(PPCI)术后生活质量的影响.方法:将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组(术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次)和对照组(仅接受基础药物治疗).所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表(MIDAS)、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果:入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异(P>0.05);出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低(P<0.05);组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低(P<0.05).两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血(P>0.05).两组发生轻度血小板减少症的患者数比较无差异(P>0.05).结论:PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.  相似文献   

14.
Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P<0.01);the MAP decreased(P<0.01)and the HR increased drastically(P<0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.  相似文献   

15.
Objective:To investigate the gene expression of osteoprotegerin(OPG) and osteoclast differentiation factor(ODF) in the bone tissue of patients with hip fracture due to osteoporosis. Methods:OPGmRNA and ODFmRNA in the bone tissue in 50 cases of osteoporosis sufferers(over 50 years old) with hip fracture(Observer Group) and 30 cases of hip facture sufferers with no osteoporosis(Control group) were analyzed with the Semi-Quantitative RT-PCR method. Results:The mRNA expressed of ODF, OPG were both high in the patients with hip fracture. In the control group, the expression of OPG mRNA was observed, while the expression of ODF mRNA was very slight. Conclusion:Aged patients contained all signals including OPG, ODF that are essential for inducing osteoclastogenesis and promoting bone resorption.  相似文献   

16.
Objective:To investigate the clinical features, pathological characteristics and immunophenotype of solid-pseudopapillary tumor of the pancreas(SPTP). Methods:Nine surgically treated cases of SPTP were retrospectively reviewed. Hematoxylin and Eosin(HE) staining and immunohistochemical staining were used to analyze all cases, and the general clinical data was collected. Results:Six patients were asymptomatic except for a palpable mass. Two patients complained of vague-epigastric pain. One patient appeared jaundice. The tumor was encapsulated and solid tissues alternately with cystic tissues. Histologically, the histological structure of solid portion was pseudopapillary with a fibrovascular core. Tumor cells were uniform and medium-sized which were arranged in sheets ets or nests or pseudopapillary patterns. Immunohistochemical studies demonstrated that SPTP proved positive in vimentin(9/9 cases), AAT(9/9 cases), NSE(9/9 cases), ACT(7/9 cases), CK20(2/9 cases), CgA(1/9 cases), S-100(3/gcases), PR(4/gcases), Syn(3/9 cases) and CD56(5/9cases), negative in CEA and ER. Conclusion:SPTP is a tumor predominantly occurring in young women frequently without special symptoms. This tumor has various characteristical histological patterns with different immunophenotype.  相似文献   

17.
In recent years, the author of this essay has applied electro-acupuncture combined with the trigger point needle-embedding for treatment of primary trigeminal neuralgia in 31 cases, yielding satis- factory results as reported in the following.  相似文献   

18.
Objective: To explore the role of matrix metalloproteinase-1,2 (MMP-1, MMP-2) and tissue inhibitor of matrix metalloproteinases-1 (TIMP-1) in endometriosis. Methods: The eutopic and ectopic endometria from 40 subjects suffering from endometriosis and regular.endometria from 40 subjects (excluding endometriosis) were collected and examined by in situ hybridization technology and western blot assay. Results: Both expressions of MMP-1 and -2 were stronger in ectopic endometrium and eutopic endometrium than in normal endometrium. On the contrary, the expression of TIMP-1 in ectopic endometrium and eutopic endometrium was lower. The differences were significant (P 〈 0.01 ). Moreover, there was no relationship among the expressions of MMP-1, 2 and TIMP-1 in ectopic endometrium. Conclusion: The expressions of MMP-1, 2 and TIMP-1 lose balance and lack of periodic changes in ectopic endometrium , which explains the biological invasive behavior of endometriosis. It was suggested-that regulating the balance between the MMPs and TIMP-1 should be an ideal therapeutic target to endometriosis.  相似文献   

19.
Prof. SHI Da-zhuo, Ph.D., male, was born on March 20, 1960. Prof. SHI entered the Ph.D. program in 1990 at the China Academy of Chinese Medical Sciences under the supervision of Prof. CHEN Ke-ji, majoring in the treatment of cardiovascular diseases. After receiving his Ph.D. degree in 1993, Prof. SHI started working at the Cardiovascular Center in Xiyuan Hospital affiliated to China Academy of Chinese Medical sciences.  相似文献   

20.
《中国结合医学杂志》2008,14(2):159-159
The 6th National General Congress of Chinese Association of Integrative Medicine (CALM) was convened at 19-20, April 2008 in Beijing. Academician CHEN Zhu, the minister of Ministry of Health indicated at the congress that the integration of Chinese and Western medicine is very well in keeping with the situation of our country and the general rule of development in medical science; and as a good integration of Chinese medicine and Western medicine, it is mutually beneficial and advantageous to both of them. Seeing the creativity shown in integrative medical investigation in theoretic and methodological sides, we should and must persist in and develop it.  相似文献   

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