A method for synthesizing uniformly sized hyaluronic acid ("HA") particles that are substantially free from oil and surfactant contaminants. The method comprises crosslinking HA chains with 1-ethyl-3-(3-dimethlyaminopropyl) carbodiimide hydrochloride ("EDAC") and adipic acid dihydrazide in a water/acetone mixture.

 
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> Shape-memory polymer coated electrodes

> Tank filters adaptable for placement with a guide wire, in series with the lead wires or circuits of active medical devices to enhance MRI compatibility
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