Common digital kitchen scales have a surprisingly high sampling rate in their sensor, but any data logging using a kitchen scale is limited to the sampling rate of the scientist writing down the data. But now, there is a preprint paper on hacking a digital kitchen scale to record data to a computer by D […]
This week Professor Christine Morrison at the Colorado School of Mines shared a picture on twitter in which she was using 2-liter plastic pop bottles to culture bacteria in a shaker instead of using glass 2L Erlenmeyer flasks which cost ~$100 each. For those who are skeptical, there are a lot of papers about growing […]
The Feeding Experimentation Device v.3 (FED3) is a smart pellet dispensing device originally designed for training mice on nose-poking tasks. Contributors to the product include Lex Kravitz, Sophi Kravitz, Bridget Matikainen-Ankney, Andrew Hardaway, Mohamed Ali, Katrina Nguyen, and Filipe Carvalho. FED3 is battery powered and designed for home cages. It collects information on nosepokes and […]
Charles-Anthony Fortin of photonetc writes in response to More DIY Opitcal Shutters, to tells us about Brandstrom Instruments. They sell self-restoring solenoids for as low as $250, and bare aluminum shutters for as low as $25.
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 […]