Sentence examples for preparations were described from inspiring English sources

Gram-negative and Gram-positive PGN preparations were described in [20].

The obtained mutant preparations were described to vary in their biochemical and physicochemical properties.

To reproduce the absorption route from the surface of stratum corneum into the capillaries, several perfused skin preparations were described, of which the perfused skin flap technique for pigs, weaning pigs, 1947) or horses(1948) received the most attention.

Chromophore and polymer preparations are described.

Details of the sample and tip preparations are described in Refs. [7] and [19].

Sample preparations are described in Supplementary 6.

The fermentation medium preparations are described below.

Whole cell extract preparations are described elsewhere (Hopfner et al, 2000; Blais et al, 2002).

Studies to establish specificity for the uricase protein and various PEG preparations are described in the text and figure legends.

The details on the conditions and procedures of the multilayer film preparation were described elsewhere[7].

P. falciparum culture and CQ preparation were described previously.