The aqueous layer was acidified, extracted twice with 100 ml dichloromethane and the extract dried to give 200 ml of the phenolic fraction.
The endosome becomes acidified, causing the pre-pore structure to insert into the membrane and thus form a pore.
The mobile phase, at a flow rate of 0.15 ml minx1, contained the mixture of two solvents, acetonitrile and water, both acidified with 0.5% (v/v) acetic acid.
Virus was eluted from the surface of the fruit, then acidified and precipitated by centrifugation.
Water samples were filtered to remove suspended particles and then acidified for preservation prior to analysis.
We are equally concerned with dry depositions and so-called "occult" depositions, or mists, as we are with acidified rain water.
The rapporteur has also mentioned other effects of acidifying emissions, the effects on health, for example.
Acidified water also releases heavy metals which constitute a health problem.
