Purdue/11 June 2008
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+ | '''Lab Meeting''' | ||
+ | |||
+ | In attendance: | ||
+ | :Craig Barcus | ||
+ | :Janie Stine | ||
+ | :Michael Iannotti | ||
+ | :David Jaroch | ||
+ | :Dr. Jenna Rickus | ||
+ | :Dr. Bernard Tao | ||
+ | |||
+ | |||
+ | '''Minutes''' | ||
+ | #Discussed unfeasibility of Milk spoilage idea | ||
+ | ##According to consumer standards, milk pH need only decrease 0.2 pH units (from 6.6 to 6.4) before it is considered unacceptable | ||
+ | ##Lactose and lactobacilli pathways are too subtle to be able to detect with bacteria | ||
+ | ##Idea not commercially useful | ||
+ | #Brainstormed a lot | ||
+ | #'''''NEW IDEA: UV sensor''''' | ||
+ | ##Changes color when under UV light for too long (dangerous levels) | ||
+ | ##Use naturally existing DNA repair pathways (RecA) | ||
+ | ##Make into a patch form that could be stuck onto skin or clothing | ||
+ | ###Patch would have a vital nutrient to keep colonies on patch | ||
+ | ###Possible patch = liquid band-aid? | ||
+ | #Components | ||
+ | ##Promoter from a DNA-repair pathway natural to ''E. coli'' or other bacteria (RecA?) -- See Dave | ||
+ | ##Something that colors the bacteria: | ||
+ | ###Could be a colored protein or metabolic color | ||
+ | ###It's better if it's from an enzyme pathway--easier to control | ||
+ | ###Want it to be degradable so that the color fades when you're not in the sun | ||
+ | ##Also need a method for a patch | ||
+ | ###Needs to be able to sustain bacterial growth without contaminating humans, etc. |
Revision as of 18:54, 11 June 2008
Click Here to return to the notebook.
Lab Meeting
In attendance:
- Craig Barcus
- Janie Stine
- Michael Iannotti
- David Jaroch
- Dr. Jenna Rickus
- Dr. Bernard Tao
Minutes
- Discussed unfeasibility of Milk spoilage idea
- According to consumer standards, milk pH need only decrease 0.2 pH units (from 6.6 to 6.4) before it is considered unacceptable
- Lactose and lactobacilli pathways are too subtle to be able to detect with bacteria
- Idea not commercially useful
- Brainstormed a lot
- NEW IDEA: UV sensor
- Changes color when under UV light for too long (dangerous levels)
- Use naturally existing DNA repair pathways (RecA)
- Make into a patch form that could be stuck onto skin or clothing
- Patch would have a vital nutrient to keep colonies on patch
- Possible patch = liquid band-aid?
- Components
- Promoter from a DNA-repair pathway natural to E. coli or other bacteria (RecA?) -- See Dave
- Something that colors the bacteria:
- Could be a colored protein or metabolic color
- It's better if it's from an enzyme pathway--easier to control
- Want it to be degradable so that the color fades when you're not in the sun
- Also need a method for a patch
- Needs to be able to sustain bacterial growth without contaminating humans, etc.