Sioux Valley Section

Welcome to the Sioux Valley Local Section Home Page. We are one of the 186 Local Sections of the American Chemical Society and our members come from all over the state of South Dakota. ACS Local Sections promote public awareness of chemistry by being involved in community outreach programs and by working with students of chemistry and science. We hope to encourage an interest in the chemical sciences. If you are interested in becoming a member of ACS, please go to for more information. If you are already an ACS member and would like to join our Local Section, please call or e-mail me or another officer (see Local Section Officers information below).
Dr. Z. Rick Wang, Ph.D., Chair

Chair - Dr. Z. Rick Wang, University of South Dakota, Vermillon SD 57069, (605) 677-7281

Chair Elect -Dr. George Mwangi, University of Sioux Falls, Sioux Falls, SD 57105 (605) 575-2069.

Past Chair- Dr. Ying (Daisy) Deng, University of South Dakota, University Center Sioux Falls SD, (605) 367-7715

Secretary - Dr. Ying (Daisy) Deng, University of South Dakota, University Center Sioux Falls SD, (605) 367-7715

Treasurer - Mr. Jeff Jung, T&R Services, 705 6th Ave. North, Brookings, SD 57006 (605) 534-3571.

Councilor - Dr. Jetty Duffy-Matzner, Augustana College, Sioux Falls, SD 57197 (605) 274-4822.

Alternate Councilor - Dr. George Mwangi, University of Sioux Falls, Sioux Falls, SD 57105 (605) 575-2069.

NCW Coordinator, CCED Coordinator - Mrs. Melissa Tille, POET Research, Sioux Falls SD (605) 261-0085,

Public Relations Chair, Newsletter Editor - Dr. Ranjit Koodali, University of South Dakota, Vermillon SD 57069 (605) 677-6189,


Councilor and Web-person is Jetty Duffy-Matzner, please send her your web listings!

A link to the Councilor's report from the Fall 2015 Boston National Meeting is here – please let me know if you have any questions. There is some news about materials available for the upcoming Earth Day events and the upcoming ACS elections. If you have any questions please contact our councilor and webmaster, Jetty Duffy-Matzner.

Dates of interest 2015

The Executive Board is still working on updating our bylaws to include changes for electronic balloting and changes in our student members. If you have an interest and would like to be involved please contact any of the local section officers.

Upcoming Events/Announcements

bulletCurrently we are looking to hold elections for officers in the local section - please let any officer know if you are interested in a leadership position.

bulletWe are pleased to post the winning entries for our K-12 poster contest for NCW. Melissa Tille serves as our NCW Coordinator. Please check out the following links to see this year's winning posters.

9-12th grade - Ashley Geraets, 9th grade at Roosevelt HS, teacher is Stacey Hawkins. 6-8th grade - Evelyn Sanchez, 7th grade at Sioux Falls Christian, teacher is Bryce Fopmn, K-5th - Dursitu Omar, 5th grade at Anne Sullivan Elementary, teacher is Jule Sunderman.

Recent Events

Please send any news to Jetty Duffy-Matzner.

blue boxMidwest Regional meeting was held October 21-24th in St, Joeseph, MO. Many of our members were there.

bulletThe Annual Sioux Valley Local Section Undergraduate Poster Contest was held on Saturday, September 26 at the GEAR Center in Sioux Falls, from 9:30 a.m. to 2:30 p.m. D.r Quiquan Qiao (SDSU) presened the keynote address at 1 p.m. titlted: "Perovskite Solar Cells". This years winners were Lexie Mohrer and Casey Hanson (Augustana University), Joe Stevens (Augustana University) and Emily Kaufman (Augustana University). There were participants from the University of Sioux Falls, Augustana University, University of South Dakota and South Dakota State University. The winners of this contest will be supported in their travels to present at regional and/or national ACS meetings. Please see the following links for the announcement and the schedule.

blue boxWe held our annual awards dinner on Friday, May 1st at Tre Lounge in Sioux Falls from 7-9 p.m. There was about 42 members, spouses and students present for a fine dinner in the Lower level of the Tre Lounge at 601 W. 33rd Street Sioux Falls. Past Chair Daisy (Ying) Deng was recognized for her contributions to the local section along with 20 graduating undergraduates. There were two catagories: outstanding and honorable with a prize of a $60 and $30 dollar Barnes & Noble gift card respectively. Senior names Honorable: Jennifer Allen (USD), Jiwoo An (SDSU), James Cassidy (SDSU), Shelby Dufflield (Augustana), Madeline Pfeiffer (Augustana), Trevor Sandgren (Augustana), Katie Smith (Augustana), Scott Splett (SDSU), Genevieve Tillotson (Augustana). Outstanding: Shelby Beer (USD), Shelby Braun (Nothern State University), Sarah Fisher (Augustana), Shimara Gunaswardana (SDSU), Eric Habbe (Augustana), Dakota Junkman(USD), Jordan Kramer (USD), Dannah Miller (Augustana), Hayley Naasz (USD), Ethan Pauley (Augustana) and Nicholas Pekas (USD).

Seniors Awardees at Dinner L toR back row: Dakota Junkman , Nickolas Pekas, Shelby Beer, Jennifer Allen, Eric Habbe, Trevor Sandgren, Ethan Pauley, Hayley Naasz... Front row: Katie Smith, Mddeline Pfeiffer, Shelby Duffield, Dannah Miller, Sarah Fisher, Shelby Braun

Couple more pictures: Section Officers: George, Rick, Daisy and Jeff. Several members enjoying the dinner.


blue boxCCED image -Chemists Celebrate Earth Day: This year's theme was Climate Science: More than just a weather report! We are pleased to announce this year's winner for the 2015 Poem contest as Jillian Stamp from Washington High School, her teacher was Jennifer Barrett. You can view Jillian's poster with the following link. We had 26 students participate in the contest. Jillian's poster has been forwarded on to the national ACS poster contest. Please contact Melissa Tille for further information. The poster contest rules are at that link and the entry form can be found at here: Sioux Valley 2015 CCED Poem Contest form.

bulletSioux Valley Local Section Election Results for the 2015 year: Chair Elect - George Mwang, Chair -Rick Wang, Immediate Past Chair -Daisy(Ying) Deng, Secretary -Daisy(Ying) Deng, Treasurer - Jeff Jung, Councilor( 3 yr term) Jetty Duffy-Matzner, Alternate Councilor (3 yr term) George Mwangi, Outreach Chair - Melissa Till

blue boxWe hosted our Annual Research Poster Contest on Saturday, September 20th at the GEAR Center (4800 N Career Ave) in Sioux Falls. The schedule ran from 9:30 am - 2:30 pm.There were 17 posters presented. First place went to Delaney Schara and Kellan Klubben (Augustana College), second place went to Sarah Fisher (Augustana College) and third place went to Alex Hannerstorm (USD). Thanks to the many volunteers who made this a memorable day. Pictures will be posted soon.

blue boxMidwest Regional meeting was held November 12-15th in Colombia, MO. Many of our members were there.

bullet NCWWe are very pleased to annouce the winners for the National Chemistry Week's Illustrated Poem Contest. We had 27 entries in the 6-8th grade catagory and 13 in the 9-12th grade. Winner of the 6-8th grade catagory was Ashley Geraetsof Memorial Middle School, teacher is Rachelle Anderson. Winner of the 9-12th grade was Savanna Timbey of Washington High School, teacher is Laura Mehlbrech. Congratulations, those winning entries received a cash prize and will be entered into the national ACS contest. Please click on the following links to see our winner's posters: Ashley Geraets and Savanna Timbey.