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Articles by Rahim Rahimi
Cold Atmospheric Plasma Chemical Vapor Deposition of Silica
Abstract CVD has become a significant process particularly for its use in electronics. We use cold atmospheric plasma to deposit silica in a much more scalable manner. Silica is deposited using CVD for applications in many microelectronic devices, but our process has the potential to greatly reduce the production cost of silica films. Bio I am a senior in Materials Science Engineering, and I have been doing research with Professor Rahimi for a year.
A pH-regulated Drug Delivery Dermal Patch for Targeting Infected Regions in Chronic Wounds
A pH-regulated Drug Delivery Dermal Patch for Targeting Infected Regions in Chronic Wounds This work presents a low-cost, passive, flexible, polymeric pump for topical drug delivery which uses wound pH as a trigger for localized drug release. Its operation relies on a pH-responsive hydrogel actuator which swells when exposed to the alkaline pH of an infected wound.
Smart Bandage for Monitoring and Treatment of Chronic Wounds
Chronic wounds are a major health concern and they affect the lives of more than 25 million people in the United States. They are susceptible to infection and are the leading cause of nontraumatic limb amputations worldwide. The wound environment is dynamic, but their healing rate can be enhanced by administration of therapies at the right time. This approach requires real‐time monitoring of the wound environment with on‐demand drug delivery in a closed‐loop manner.
Directly embroidered micro-tubings for fluid transport in wearable applications
We demonstrate, for the first time, a facile and low-cost approach for integrating highly flexible and stretchable microfluidic channels into textile-based substrates. The integration of the microfluidics is accomplished by means of directly embroidering surface-functionalized micro-tubing in a zigzag/meander pattern and subsequently coating it with an elastomer for irreversible bonding.
Paper-based in-vitro model for on-chip investigation of the human respiratory system
Culturing cells at air-liquid interface (ALI) is essential for creating functional in-vitro models of lung tissue. We present the use of direct-patterned laser-treated hydrophobic paper as an effective semi-permeable membrane, ideal for ALI cell culture. The surface properties of the paper is modified through selective CO2 laser-assisted treatment to create a unique porous substrate with hydrophilic regions that regulates fluid diffusion and cell attachment.
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