Touchscreen Platforms for Rodents

Here’s an interesting paper about designing a low-cost touchscreen operant chamber using a raspberry pi. Perhaps the most important takeaway here is that rats performed twice as well in the Med Associates commercial chamber.¬†Commercial products are often more¬†refined than DIY solutions and this is just a great reminder of the trade-off we have to think […]

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Using Pressure Cookers as Autoclaves

An autoclave, even a very small one, typically costs ~$4000. If you find yourself needing one, there’s a very old standby.¬† For small batches of agar plates or low-volume media, you can use a pressure cooker, those wonderful commercial devices that cost ~$100. Here’s one tutorial and a quick search yields plenty of others as […]

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Little UV Magnifiers

On Amazon you can buy these “60x” magnifying lenses for around $6. If the quotations didn’t tip you off, they are not 60x, we bought a couple different types and in general found them to be between 5x to 10x magnifying lenses with pretty intense spherical aberrations. However if that was all there was to […]

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Print or Buy: Cheap Pipettes!

When I first joined a lab, someone told me the best pipette was the one that had been calibrated most recently. In that spirit, check out these 3D Printed Pipettes called “Biropettes” from open-labware.net. If you’re worried about quality, just calibrate it and check the accuracy. You know, just like you do for a regular […]

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