CAPSTONE DESIGN PARTICIPANTS

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Tongtong Fu

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Xinyi Li

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Hannan Liu

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Yixiao Ma

RBL: Defect-Rich Nanocrystalline Ti-TiN-Ti0x Heterostructure RRAM

7

Resistive Random-Access Memory (RRAM) is an emerging memory technology that has the potential to break through the critical size limitation of conventional 65nm CMOS technology. Our modified 5 layered heterojunction micron-scale RRAM device has resistive switching property which could be used in digital signal transfer as memory cell. The insertion of the Ti scavenging and TiN protection layer enabled the design speciality. Compared to current memory units, our design has higher endurance, faster switching speed, lower power consumption with much larger storage capacity and simpler fabrication complexity; thus, it provides a promising prospect for future digital memory.

Consultant: Bo Cui

Sponsor: Institute of Nanotechnology at Karlsruhe Institute of Technology

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Qin Ji

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Brandon Tran

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Kingsley Wong

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Liyang Zhong

Disep:

Selective Separation of Red Blood Cells for Point-of-Care Diagnostics

8

Point-of-care technologies have been touted as a more rapid and accessible alternative to traditional lab testing of certain diseases and medical conditions. Blood samples are commonly used due to blood’s richness of biomarkers and ease of acquisition; however, the abundance of red blood cells often interferes with the signal measurement and outputs. As a result, it is highly desirable to selectively separate the red blood cells from the serum. Through the applications of microfluidics and non-uniform electric fields, we have developed a blood separation device that isolates red blood cells while maximizing the volume of serum retained for analysis.

Consultant: Shirley Tang

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Hasan Ahmed

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Emma Belliveau

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Laura Haba

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Oliver Horner

Flexible Perovskite Photodetector for Application in Flexible Electronics

9

Over the past decade, the wearable electronics market has grown significantly. Flexible electronics are expected to play an increasing role in making wearable devices thinner, lighter weight and better conforming to the user. The materials used for these devices therefore need to withstand bending and be manufactured at temperatures compatible with flexible substrates, in addition to achieving sufficient electrical performance. Perovskites are one such material, with an ever-expanding body of research in its application to thin-film optoelectronics and a low cost of materials and manufacturing. We are proposing a perovskite photodetector, fabricated on a flexible substrate with silver nanowire electrodes, for applications in wearable flexible electronics.

Consultant: Vivek Maheshwari

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Alexandru Idomir

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Valentin Idomir

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Patrick Perte

Polymer-based Hydrogel for Boosting Local Coagulation within Injury Sites

10

In the modern world, bleeding is responsible for under half of highly traumatic injuries, and it is the highest cause of death hours after an incident or surgical procedure. Thus, for several decades, thorough research and development has been conducted to find solutions to accelerate blood clotting. Our team has prepared and tested a synthetic hemostatic hydrogel to accomplish this. The gel, containing biocompatible and non-toxic materials such as Polyvinyl Alcohol (PVA) and Carboxymethyl Chitosan (CMCS), along with the unique addition of Fibrinogen and Thrombin into the mixture, provides coagulation boosting effects.

Consultant: Evelyn Yim

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