Robert Sievers is a reseacher and former CU Regent who for 40 years has studied analytical chemistry, pharmaceutical science, aerosols, microparticles and nanoparticles, inhalable vaccines and antibiotics, and supercritical fluids. Two of the fourteen "Grand Challenges" identified by the Bill and Melinda Gates Foundation and the NIH Foundation as critical to world health have been听addressed by the Sievers group: needle-free administration of vaccines (by pulmonary or nasal aerosols), and vaccines stable for long term storage. Sievers continues to collaborate with medical professionals and engineers听to develop new methods for delivery of aerosol particles useful in direct and painless administration of therapeutic drugs and vaccines by inhalation and by sublingual delivery, expected to become increasingly important in the treatment or vaccination against measles, influenza, infections, stress, COPD, and asthma.
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