HPLC is known as a common method to qualitative analysis and quantitative analysis,in this work,HPLC is used to separate and purify the folic acid which is a healthy care product with special helpful
Pesticides are widely used in vegetable cultivation and pose a potential risk to human health.Recently,China government promulgated a more stringent National Food Safety Standard to restrict maximum r
Over the past decade,novel sample preparation approaches embracing liquid-phase microextraction(LPME),micro-solid phase extraction(μSPE)and membrane-based separation approaches have emerged and rapidl
Generation of volatile species(VSG) of elements can substantially improve detection power of atomic spectrometry detectors since separation from the sample matrix and high efficiency analyte transfer
Coumarin derivatives have well displayed significant biological activities,includig pharmacological activities,anti-breast cancer,anti-HIV,anti-Alzheimer,vasorelaxant and platelet anti-aggregatory act
Coumarin derivatives have well displayed significant biological activities,3-phosphorylated coumarins have also been exhibitted cetain cytotoxicity on some human leukemia cell1.An efficient AgNO3-cata