Apparatus and methods for downhole formation testing including use of a probe having inner and outer channels adapted to collect or inject injecting fluids from or to a formation accessed by a borehole. The baby bottle of the present invention also includes a gasket having a gasket base adapted to fit the neck of the inner container, one or more gasket channels, and a gasket lip. Tyrosines were observed to generally contribute to the allergenic properties of patatin proteins. The foamed member includes a foam cell wall dividing foam cells thereof and being exposed on the surface of the developer supplying member.