Lung cancer has been one of the most fundamental leading causes of death within the past 10 years[1].The severity of the disease is related to the metastatic potential and aberrant apoptosis of lung cancer cells.Metas...Lung cancer has been one of the most fundamental leading causes of death within the past 10 years[1].The severity of the disease is related to the metastatic potential and aberrant apoptosis of lung cancer cells.Metastasis is the process when cancer cells transport from their original tumor site and establish a secondary tumor elsewhere.These aggressive behaviors comprise their anoikis resistance and their migrate abilities[2].The process of a programmed cell death in an attached condition is called apoptosis whereas anoikis is a cellular mortality in a detached condition.展开更多
建立分散液-液微萃取与高效液相色谱联用技术测定石斛酚的分析方法。通过对实验条件的筛选及优化,得到最佳条件:p H 3,辅以涡旋方式进行萃取,萃取溶剂为120μL正戊酸、萃取时间1 min,分散剂为曲拉通X-114、用量80μL。此方法进行萃取,...建立分散液-液微萃取与高效液相色谱联用技术测定石斛酚的分析方法。通过对实验条件的筛选及优化,得到最佳条件:p H 3,辅以涡旋方式进行萃取,萃取溶剂为120μL正戊酸、萃取时间1 min,分散剂为曲拉通X-114、用量80μL。此方法进行萃取,检出限为2.625μg/L,定量限为8.74μg/L,线性范围为0.10~30.00 mg/L,萃取富集倍数平均值为28.02,萃取回收率平均值为1.01。将建立的分析方法应用于实际石斛样品的测定,结果表明该方法能对石斛中的石斛酚进行高效萃取与富集,方法快速简便。展开更多
文摘Lung cancer has been one of the most fundamental leading causes of death within the past 10 years[1].The severity of the disease is related to the metastatic potential and aberrant apoptosis of lung cancer cells.Metastasis is the process when cancer cells transport from their original tumor site and establish a secondary tumor elsewhere.These aggressive behaviors comprise their anoikis resistance and their migrate abilities[2].The process of a programmed cell death in an attached condition is called apoptosis whereas anoikis is a cellular mortality in a detached condition.
文摘建立分散液-液微萃取与高效液相色谱联用技术测定石斛酚的分析方法。通过对实验条件的筛选及优化,得到最佳条件:p H 3,辅以涡旋方式进行萃取,萃取溶剂为120μL正戊酸、萃取时间1 min,分散剂为曲拉通X-114、用量80μL。此方法进行萃取,检出限为2.625μg/L,定量限为8.74μg/L,线性范围为0.10~30.00 mg/L,萃取富集倍数平均值为28.02,萃取回收率平均值为1.01。将建立的分析方法应用于实际石斛样品的测定,结果表明该方法能对石斛中的石斛酚进行高效萃取与富集,方法快速简便。