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Biomedical Engineering Design Projects

Measuring hot flash occurrence using skin color (skin_color_monitor)

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Project Overview

Menopausal women have hot flashes, which cause discomfort, sleep disturbance, and work interruption. Therapeutic drug testing requires objective measurement of hot flashes.

The project is to develop a miniature skin color sensor to record hot flashes, or, to say precisely, a device to detect a change in skin color, as skin turns red during hotflash.

The working principle of the device base on the difference of light absorbed by different colors: black absorbs light the most while white reflects most of the light. The difference of light reflected can be picked up as an electric signal and recorded.

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Project Status



From left: Joseph Yuen, Patrick Kurkiewicz, Jack Ho, Brian Ginter



Patrick was doing some exercise to test how the device reacted towards a change in skin color.





Our final device Left: Top view of the device Right: Size comparison of the device between quarter and a mouse

Progress Report Archive.

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Project Timeline

Week Reporting Period Beginning Activities
1 September 7 First team meeting, team roles assigned
2 September 14 Contact client, start background research
3 September 21 Continue background research, start working on PDS
4 September 28 Brainstorm designs and keep the PDS updated
5 October 5 Keep on brainstorming, start ordering essential electronics part, work on midterm presentation
6 October 12 Mid-term presentation with completed PDS
7 October 19 Mid-term report completed, start working on circuits.
8 October 26 Start building a simple prototype
9 November 2 Work on final design
10 November 9 Work on final design
11 November 16 Work on final design
12 November 23 Thanksgiving Break
13 November 30 Prototype finished, poster presentation and paper
14 December 7 Final Poster Presentation
15 December 14 Final meeting with advisor

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Presentations and Reports

pdf icon PDS(10/17) (Oct 17 2007, 19 kb)
ppt icon Mid-Semester Presentation (Oct 19 2007, 301 kb)
pdf icon Mid-Semester Report (Oct 24 2007, 120 kb)
pdf icon Final Poster (Dec 11 2007, 325 kb)
pdf icon Final Report (Dec 12 2007, 469 kb)

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Contact Information

Project Team

Project Advisor and Client

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Owner: Willis Tompkins, Ph.D.
Author: Joseph Yuen
Webmaster: Andrew L. Wentland
Created: Oct 1 2007
Content updated: Dec 13 2007

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