Compared with the method of single-eluting solvent, this method increased the selectivity of fixed phase to phospholipid, moreover there are no toxic residue in the final products.

Judgmental voices from the past may have left a hidden residue of toxic shame, which blocks us from honoring - or even noticing - what we're really feeling.

Nonorganic foods from the studies were four times more likely than organic foods to have pesticide residue in addition to higher concentrations of a toxic metal.