Marshall's fragmented and incomplete account of his methodological perspectives has been a source of controversy. This paper argues that Marshall consistently employed a preliminary framework for economic methods, with the concept of the "organon". This framework aligns with his view of...

The complexation of a flavonoid with metal ions usually can better the bioactivity or bioavailability of the flavonoid. A new method was designed and developed to synthesize a new neohesperidin-Cu(II) complex using ion-exchanging resin column. On the column, the integration of separation or...