A rapid method for the determination of dopamine in porcine muscle by pre-column derivatization and

来源 :药物分析学报:英文版 | 被引量 : 0次 | 上传用户:sunyanjun03
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A rapid method has been developed based on the sample preparation procedure named as QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe), combined with reversed-phase high performance liquid chromatography with fluorescence detector and C18 column after precolumn derivatization using o-phthalaldehyde and 2-mercaptoethanol to determine dopamine in porcine muscle. Methanol and deionized water (0.1% acetic acid, v/v) with a ratio of 60:40 was used as mobile phase. The flow rate was 0.8 mL/min and dopamine was eluted within 15 min. The linearity range was 0.003-8 μg/mL with r=0.9992. The detection limit for dopamine was 4 μg/kg and the quantification limit was 9 μg/kg. Recovery studies were carried out at 0.1, 0.5 and 1.0 mg/kg fortification levels and the average recoveries obtained ranged from 90.4% to 98.2% with relative standard deviations between 3.5% and 8.1%. The method was found to be suitable for detection of dopamine in animal product tissues at the maximum residue level.
其他文献
目的探讨宫腔镜检查在子宫内膜病变诊断中的临床价值。方法回顾分析我院2010年1月至2011年12月采用宫腔镜对子宫内膜病变进行诊断的70例患者临床资料。结果在本组资料中对70
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
临床上偶见临产前即已发生部分破裂的孕妇,即瘢痕子宫隐性破裂,这些孕妇一旦试产,不可避免的会发生子宫破裂,1998-01/2008-12我科共发现15例,6例在择期剖宫产中发现,9例为产
替硝唑(tinidazole,TNZ)是继甲硝唑后新一代硝基咪唑类衍生物,其疗效更高,疗程更短,耐受性更好,体内分布更广的抗厌氧菌及抗原虫药.近年来替硝唑的多种剂型应用于口腔科,取得
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
期刊
A comparison of the volatile compounds in Rhizomes Curcumae (Ezhu) and Radix Curcumae (Yujin) was undertaken using gas chromatography mass spectrometi-y (GC-MS). Ultr
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
We described the first results of a quantitative ultra performance liquid chromatographytandem mass spectrometry method for a novel antimicrobial peptide (phyllo
目的:探讨先天性颈静脉扩张症的临床特征、检查手段,并总结诊治经验.方法:通过对采用结扎法治疗的颈静脉扩张症患儿进行回顾性分析,观察、随访治疗效果.结果:15例术后全部得