We engage the Portland, Oregon scientific and technical community to enhance the health of the scientific research enterprise, provide opportunities for the next generation of scientists and engineers, and promote the public's understanding of science and technology. We are comprised of faculty and students from several colleges and universities in the Portland area, as well as colleagues in local business, industry, federal and state agencies, and medical centers. We focus many of our programs on enhancing the experiences of students at all levels. Many of our members are retired scientists and engineers who have relocated to the Portland area and find a community of interests through the activities of the chapter.

Save these dates!
Chapter winetasting/geology trip, with Scott Burns
Willamina region (McMinnville AVA)
Friday 14 Aug, 10 am - 6 pm
Visit 3 wineries (Anne Amie, Yamhill, Maysara), learn the geology of their soils, and see a large glacial erratic.
$55 (cash or check at start of trip; includes bus transportation and tasting fees)
Reservations by email to Tom Hard, hardt {a~t} pdx.edu
All-day parking at PSU, see https://www.pdx.edu/transportation/hourly-visitor-parking
Or take TriMet!

22-25 Oct 2015: Sigma Xi National Annual Meeting, Kansas City MO.


Jessica Hebert (Portland State University, Biology) won both the overall best (poster and oral) cell and molecular biology section award, and the overall conference best poster award, at the AAAS Pacific Division conference, 14-17 June 2015. The conference, at San Francisco State University, was co-sponsored by Sigma Xi's Northwest and Southwest Regions. There were 106 student presentations.

Back in April, Jessica's poster, Increased maternal angiotensinogen expression and male fetal gender affect placental size and capillary density, earned a first-place award in the biomedical science and cell biology category at the Sigma Xi Columbia-Willamette Student Research Symposium. The C-W Chapter provided partial travel support to enable her to attend the June conference.


Outstanding Faculty Researcher Awards 2015

Behavioral & Social Sciences
Hyeyoung Woo
Sociology, Portland State University




Biological Sciences
Suzanne Estes
Biology, Portland State University





Biological Sciences
Deborah Lutterschmidt
Biology, Portland State University






Earth & Environmental Sciences
Alan Yeakley
Environmental Science, Portland State University




Mathematical Sciences
Mau Nam Nguyen
Mathematics, Portland State University





The awards were presented at the chapter's annual meeting and banquet on 19 May 2015. No awards were given in the categories of Physical Sciences, Engineering, and Research on a Shoestring. For more information on the annual awards and nomination procedures, please see Outstanding faculty researchers.

2015 Outstanding Science Teacher Award
Jamie Repasky

Chris Olson introducing Jamie Repasky, honored teacher, on 19 May 2015


2015 Outstanding Supporter of Scientific Research
Mike Full
Mike Full accepting award on 19 May 2015

Sigma Xi Student Research Symposium

16 April 2015

Ballroom, Smith Memorial Union, Portland State University


Sigma Xi Columbia-Willamette Chapter held its eleventh annual Symposium of poster papers by undergraduate and graduate students in the sciences, social sciences, mathematics, and engineering on 16 April 2015, at Portland State University in the Smith Memorial Student Union Ballroom. The posters-only Symposium is open to students affiliated with colleges and universities in the Portland area. Awards are given for the best undergraduate and graduate posters in several categories.  At the 2015 event, 35 projects were presented and 15 primary student authors received awards.  The Symposium provides practice for presentations at regional and national meetings in students’ own disciplines.  The Symposium is open to the public, and admission is free.

2015 Awards for best posters | Poster Abstracts  Photos 


Four local students won Grants-In-Aid of Research from Sigma Xi during the 2014-15 academic year: Zecong Fang (Washington State University - Vancouver), Sydney Gonsalves (PSU), Timea Deakova (PSU), and Ariana Chiapella (PSU). Their projects, and the nature of Sigma Xi's GIAR awards, are described in Student research grants.


At Sigma Xi's Annual Meeting and Student Research Conference in Glendale AZ, 4-9 Nov 2014, the Chapter was well-represented by Linda Mantel (NW Regional Representative), Erik Tucker (Chapter Delegate), and five student presenters: Amy Truitt, Brittney Davidge, Adrienne Godschalx, Dierdre McAteer, and Thai Tran (top row of photos). Adrienne's research poster presentation earned a medal.
Linda Mantel, Thai Tran, Erik Tucker, Brittney Davidge, Dierdre McAteer, Adrienne Godschalx, Amy Truitt.     Adrienne receives award.


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