An ultraviolet spectrophotometric method for the determination of proteins is described. It has
advantages over other methods in simplicity, rapidity, accuracy, specificity, and sensitivity. …

THIS REVIEW was undertaken with two intentions. One was to provide a survey of the literature
on intracellular pH published since Caldwell’s review (32) in 1956 (literature search was …

This publication is the seventh in a series of safety evaluations performed by the Expert Panel
of the Flavor and Extract Manufacturers Association (FEMA). In 1993, the Panel initiated a …

Estimations of hydrogen ion activities in the interior of cells have been attempted through a
number of different experimental approaches. The methods that have been employed are of …

METHODS Determination of phenobarbital. For dog and human plasma and for dog urine
the method of Butler, Mahaffee, and Waddell (8) was used. By measurements of partition …

The current status of the GRAS evaluation program of flavoring substances operated by the
Expert Panel of FEMA is discussed. The Panel maintains a rigorous rotating 10-year …

Male and 13.5- and 17.5-day pregnant Swiss-Webster mice were administered 120 mg/kg [2,3-
14 C]acrylamide orally. The male mice were frozen 0.33, 1, 3, 9, 24, 72, and 216 hr later, …

An abbreviated history of the dose-response curve or chemical concentration-effect relationship
is presented in this article. No attempt has been made to include all references on the …

Fifteen compounds approved by the FEMA (Flavor and Extract Manufacturers Association)
expert panel as GRAS (Generally Recognized As Safe) and structurally related compounds …

Male C57B1/6J mice were injected intravenously with [methyl- 14 C]paraquat dichloride
and frozen at 1, 3, 9, and 24 hr for whole-body autoradiography or with [methyl- 3 H]paraquat …