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doi.org/10.3389/feart.2020.563

on dissolved organic matter (DOM) in (seepage) collected in lysimeters (devices to measure water flow)

It shows: dealing with leachates (plasticizers), development of an inert lysimeter, (gas chromatography – mass spectrometry) to detect organic compounds relevant in / .

Project @unijena within collaborative research center AquaDiva aquadiva.uni-jena.de/

@christian_zerfass @unijena
huge thanks for this post and related publication.
Neat for some of our collective works here (for example): diaspodon.fr/@KaouennNoz/10558

A project for which we need biochem helps and collabs.

@XavCC

That's a nice project! Of course, GCMS and LCMS need expensive laboratory equipment... Are you in touch with someone in this regard?

@christian_zerfass Nope. No contact yet. Any ideas?
And we're trying to find ways to do frugal analysis (I will ask in Frugal Science program from Prakash Lab)

@XavCC

I am not familiar with frugal analysis...

You are in Rennes, n'est-ce pas? Here is a link to a metabolomics publication incl. researchers from Rennes. The corresponding author's email is stated. Maybe they'd help as an outreach / citizen science support activity? They wrote about LCMS, which is equally feasible and currently our method of choice.

pubs.acs.org/doi/10.1021/acs.a

@christian_zerfass
Yep, I am.
Well done (^_~), And thanks for this nice resources for the weekend

@XavCC

Let me know if I can be if any further help 👍 it's an interesting project you are setting up!

@christian_zerfass Random question but related with our works (microfluidics for soil and water analysis)

If i'm right, Poly(dimethylsiloxane) is used as an anti-lice shampoo.

So, If we want to make "frugal" Poly(dimethylsiloxane)-Based Microfluidic Devices can we use this shampoo as a basis for our preparation?

@XavCC

I would assume no. To cast a device, you need to somehow polymerize / crosslink the PDMS. So you would have to purify, then test how to process to get a structural integrity - not sure that would work with the kind of PDMS used in shampoo, but I guess it is an additive of defined polymerization.

But I'm no expert on microfluidics..

Here's a webpage that may be useful for you:

instructables.com/Making-a-PDM

@XavCC

P.S. There is a fablab in Rennes.. They may provide access to machines for projects like yours, to help e.g. with the microfluidics preparation

fablabs.io/labs/labfab

edulab.univ-rennes2.fr/#!/mach

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