Fwd: New Chemicals Request--Gary Cooper
mtang at stanford.edu
Sat Apr 17 10:47:27 PDT 2010
Hi all --
I spoke with Jim about this. Quite honestly, I think the surfactants
are more of a problem than sodium at the contact angle tool (it's used
to qualify the HMDS prime.) But as long as the solutions don't contact
the syringe and needles there, it should be OK. So.... I think this is
fine as long as they use their own syringes and needles -- and LABEL
them with contact info, date, and contents ("saline" should be fine) and
the word, "non-toxic." The syringes can be brought in and out in a
labeled tool box, but should not be left/stored in the lab, in case
things get lost/misplaced as they do.
Paul Rissman wrote:
> Hi All,
> Here is a request to use saltwater and surfactants by Dr. Gary Cooper, a new labmember working with Jim Kruger. He will be using the contact angle measurement instrument. Because he is still working on paperwork, he doesn't have a coral log in yet.
> ----- Forwarded Message -----
> From: "Gary F Cooper" <ranchcoop7891 at sbcglobal.net>
> To: rissman at stanford.edu
> Sent: Friday, April 16, 2010 8:55:42 PM GMT -08:00 US/Canada Pacific
> Subject: Fw: New Chemicals Request--Gary Cooper
> Here is the message I tried to send to specmat. I have since tried to forward it to specmat-owner at snf.stanford.edu, without any response so far.
> Thanks for your assistance,
> ----- Forwarded Message ----
> From: Gary F Cooper <ranchcoop7891 at sbcglobal.net>
> To: specmat at snf.stanford.edu
> Cc: Jim Kruger <jimkruger at yahoo.com>; armand neukermans <armandn at sbcglobal.net>
> Sent: Thu, April 15, 2010 2:43:25 PM
> Subject: New Chemicals Request--Gary Cooper
> My name is Gary Cooper, and I am a new labmember (safety walkthrough with Paul on Tuesday, keycard issued, but no Coral logon yet). I will be working with Jim Kruger on the Silver Lining Project, creating and testing new super-hydrophobic surfaces.
> Part of my work is proposed to be testing the effects of selected surfactants on the superhydrophobicity of these surfaces with respect to seawater. Thus I would need to bring seawater samples, prepared outside the lab, containing 100 ppm each of about 16 surfactants, of sufficient size to be testable in the contact angle measuring instrument. This would be the only exposure of anything in the lab to the samples. Since I will need to use new instrument syringes for each sample to avoid cross-contamination, it would be possible to bring the samples into the lab pre-loaded in the syringes with the needles capped off, perhaps in a single plastic toolbox.
> Jim has advised me that sodium is greatly feared by CMOS production people, and so I am writing this preliminary inquiry to see if my proposed work has a chance of being allowed. I don't think that an MSDS exists for seawater, but I do have MSDSs for the surfactants. About 300 micrograms of a given surfactant (mostly non-ionic in nature) would be contained in a syringe, and the excess would be removed from the lab immediately upon completion of measurements, as would be the tested superhydrophobic surface.
> I have 36 years of experience in synthetic organic chemistry, all at Syntex/Roche in Palo Alto, and look forward to a new experience working in the SNF.
> Gary F. Cooper, Ph.D.
> 650 714-5570 cell
> 650 851-0841 home
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