Phantom material and method

Photometric accuracy and linearity test solution

Pigment for color-changing heat indicator

Platelet control composition

Platelet reference control

Polydiacetylene gels

Polymeric buffering composition

Polymeric color indicators and a method of their preparation

Predicting thermoparticulation

Preservative for use in calibrator compositions for blood analys

Process for isolating and purifying taste bud receptors for scre

Process for monitoring time-temperature histories of perishables

Process for preparing whole blood reference controls having long

Process for preparing whole blood reference controls having long

Process for reclaiming biliverdin-containing fluids

Process for the preparation of Limulina lysate