Fluorescent Dyes

A new spin-off of Click Chemistry Tools called Fluoroprobes, is creating generic versions of fluorescent dyes. Our lab recently switched from buying Alexa Fluor® 647 NHS Ester from Thermo Fisher ($339/1mg) to the generic AF 647 NHS Ester from Fluroprobes ($139/1mg). Saves us quite a bit of $$$. We use this dye to label proteins […]

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More DIY Optical Shutters

Several months ago we wrote a short write up about making a cheap optical shutter out of a hard drive disk controlled via Arduino. Since then we have had two Uniblitz shutters fail. We have now seen 6 Uniblitz shutters seen fail relatively quickly, with different users and different use conditions, over three labs. Even […]

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