Jessica Sinyin Tan

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Amorphous materials are often produced in the pharmaceutical industry. Materials in the amorphous phase are less thermodynamically stable than any crystalline form, leading to a tendency for the amorphous materials to transform to a known or potentially unknown crystalline phase. The time scale for any transformation is also unknown and can, in part, be(More)
A simple electrochemical deposition was developed to synthesize the cuprous oxide (Cu(2)O) octahedra on aluminum foils. The average edge length of the octahedra is about 300 nm. The chemical composition of the octahedra was determined using energy dispersive X-ray spectroscopy and electron energy-loss spectroscopy. The microstructure of the octahedra was(More)
The structure of aqueous solutions of sodium maleate copolymers with comonomers of variable hydrophobicity are examined using a combination of small-angle neutron scattering, small-angle X-ray scattering, and rheometry. Semidilute solutions of the copolymers made with mildly hydrophobic comonomers exhibit scattering and rheology that are typical of flexible(More)
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