Check out https://www.adafruit.com/product/1918 for a UV sensor in the 240-370nm so would work for the 280 nm protein absorbance peak. You will also need a 280 nm emitting LED, these are about US$30-40 on ebay.
On Tue, Sep 5, 2017 at 2:21 PM, Aakriti Lakshman <aakritilakshman@gmail.com> wrote:
Hey! I'm also looking for a UV spectrometer to detect the presence of proteins. Are there any cheap alternatives??--
On Sunday, September 3, 2017 at 3:59:25 AM UTC-4, Cory Geesaman wrote:The subject pretty much says it - I'm trying to find a (hopefully cheap - under $200) Arduino or RaspberryPI compatible photospectrometer which can be submerged for long periods of time in water to log water quality. I've been searching around a bit and can't find any, but if someone knows of one which could be hacked fairly easily (sticking it in a new case for instance) that would be great too. I'm not too worried about calibration (I can calibrate the thing and write the code needed to identify different ions from a bunch of data,) just want to avoid having to designed the thing from a capillary tube up though light sources and sensor if at all possible.
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