Nice designs in the links. Just going back to the original question - quantitation of DNA by absorbance will require 260 nm light source. And if you are doing a UV-visible spectral range you will need a deuterium halogen light source or equivalent. UVC LEDs are expensive. UVC bulbs are about US$10 but large. Anyone know of a miniature UVC light source that is not too expensive?
On Thu, May 4, 2017 at 3:54 AM, Marc Dusseiller <dusjagr@gmail.com> wrote:
hoi zäme,--we have built various designs, as low-cost as possible, try to keep it belo 5$ manufacturing cost.and also this one by gaudilabs:at the moment there is another discussion on the GOSH forum, we are getting supported by hamamatsu to get some free micro-spectrometer modules:ciao ciao,marc
On Sunday, July 14, 2013 at 7:45:36 AM UTC+2, Sebastian wrote:Hey!I'm in the process of making a very affordable dedicated OD600 module soon. I can send you a prototype to demo free of charge. Its all open source. The final kit will be 25 bucks and initial trials are proving quite good. Its fixed at 600nm but will have lots of nice features and the ability to swap modules for other wavelengths or multiple cuvettes. If all goes well I may kick start it to make one for DNA. Ill keep you posted if you'd wish.
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From: Koeng
Sent: 7/14/2013 12:52 AM
To: diy...@googlegroups.com
Subject: [DIYbio] DIY nanodrop alternative?I have been looking around for a spectrometer for my lab, and wanted to know if anyone has any recommendations on one. All I need is it to have OD600 and most of all, I want it to be able to sense how much DNA I have in a sample. I am not very experienced with spectrometers, so any suggestions?--
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