Hi Bostjan,
On Sunday, April 17, 2016 at 10:31:44 AM UTC-4, bostjan wrote:
-- Thanks for sharing the work you have done. Like Jake said, this looks like a lot of work! As someone who has been obtaining/building DIY lab equipment first hand, I have read a lot of the source materials you linked to. I have a few suggestions that might help you in your decision making and for others trying to make the same decisions.
First off, one very important consideration for a new piece of DIY equipment is safety for the intended use case. There are examples of DIY lab equipment that are demonstrably not safe. Obvious things to look out for are fire risks, electrical shock risks, and cut risks.
Next, I have a very heavy bias towards repurposing "consumer" equipment that can be purchased from reliable vendors at relatively low cost. For example, I substituted a commercial water bath incubator with a sous vide cooker I bought on Amazon. The sous vide has 0.5C accuracy and cost me less than $200 shipped. The advantage of using mass market consumer products is that they are normally produced at close to the theoretical minimum cost (for the safety/reliability of the item).
Finally, I think you should determine what is the value of your time and factor that into the cost of building a piece of equipment. If you can buy the pieces for $100 and then it takes 8 hours soldering, painting, cutting, building, etc -- that is a lot of cost in your time. Obviously if you have fun building things then this isn't a big factor.
-Will
On Sunday, April 17, 2016 at 10:31:44 AM UTC-4, bostjan wrote:
Hello everyone!This is my first post, so let me introduce myself shortly, I'm Boštjan and while a trained Biologist, I'm new in the DIY bio community. I work at IRNAS Institute, where we are setting up an open biolab/biohackspace, which is located in Maribor (Slovenia). Together with my colleagues (who are mainly engineers) we are setting out to develop DIY lab equipment, which will be comparable to the commercial props in terms of functionality, but much more affordable. To not "reinvent warm watter", we started making a review of existing DIY equipment and how it compares to the commercial counterparts, whether it is feasible to make etc.You can find it on github: https://github.com/symbiolab/bio-labware/blob/ master/000_bio-labware_ overview.md Hopefully we will soon be able to publish some designs of our own. The review is not completely finished yet, but with the development of DIYware, let's hope it never is. In any case, maybe some of you will find it interesting, I know that there are many collections of DIY stuff available already, however, we tried to structure it a little in terms of methodology and add some context. I would very much appreciate any comments and suggestions for improvement, as we probably missed some things and perhaps misrepresented others. I wish you all a very pleasant weekend!Cheers,Boštjan
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