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Aqueous and Non-Aqueous Characterization of the Charge Storage of Prussian Blue Analogues with Varying Modification Procedures
Get PDFPrussian Blue Analogues (PBAs) provide a promising look into the future of battery technology; their low cost and facile creation grants the opportunity for a commercially viable battery. In addition, their components consist of earth-abundant elements, which may potentially lead to a green battery material, an area of growing importance. The modification process in which the PBA forms may be carried out by one of two techniques: the standard cyclic voltammetry (CV) technique consists of performing cyclic voltammetry in a modification solution for a set number of cycles, whereas the dipping technique involves submerging the substrate in the solution for a specific amount of time. In order to better understand the time dependence of spontaneous PBA formation, substrates were dipped in modification solution for varying amounts of time ranging from 15 seconds to 600 seconds. Additionally, hydrolysis is believed to occur and affect charge storage measurements during characterization. To better understand the effect of hydrolysis on characterization measurements, some samples were tested in 0.1 M sodium perchlorate (NaClO4) dissolved in both an aqueous solution and a non-aqueous, acetonitrile-solvent (CH3CN) solution. Comparisons between the data from both solutions may lead to a better understanding and accounting of the effects of water when characterizing aqueously
Dominion Over the Earth
Get PDFA table tent advertisement for the virtual exhibition Dominion Over the Earth held September 18-November 21, 2020. This advertisement was displayed on monitors on Hope College\u27s campus.https://digitalcommons.hope.edu/kam_poster/1013/thumbnail.jp
Resilience, Resistance and Revival in 20th-Century Yoruba Art
Get PDFTwo posters for the exhibition Resilience, Resistance and Revival in 20th-Century Yoruba Art. The exhibition was originally scheduled to run January 17-April 25, 2020. Hope College\u27s switch to remote operations in March 2020 due to the COVID-19 pandemic shortened the original exhibition. When Hope College reopened for in-person operations in Fall 2020 the exhibition was reopened through November 21, 2020, and later extended again to December 18, 2020. A poster for the extended date of December 18, 2020 is not available.https://digitalcommons.hope.edu/kam_poster/1010/thumbnail.jp
Developing Outreach Events That Impact Underrepresented Students: Are We Doing It Right?
Get PDFMany outreach programs share the common goals of serving underrepresented groups in STEM and improving public attitudes toward science. To meet these goals, scientists must find ways to both reach the appropriate audience and communicate the importance of science in meaningful and accessible ways. This requires careful consideration of the outreach method being used. Two common outreach methods include in‐school visits (scientist in the classroom) and science fairs or open houses. Here, we compare the effectiveness of these two outreach methods in meeting the goals of reaching underrepresented students and/or students with less initial interest in science. We have found that in‐school visits reached more underrepresented students and that initial attitudes toward science scores were lower for in‐school visit participants than for open house event participants. Importantly, positive attitudes toward science increased significantly after in‐school outreach events. Taken together, these data suggest that outreach events that are taken out into the community will reach a less enthusiastic but more diverse audience and can have a positive impact on attitudes toward science within these populations. These studies highlight the importance of knowing the goals of your outreach program and choosing the method that is best suited to meeting those goals
African American Art from the Kruizenga Museum Collection
Get PDFA poster for the exhibition African American Art from the Kruizenga Museum Collection. The exhibition was originally scheduled to run January 17-April 25, 2020. Hope College\u27s switch to remote operations in March 2020 due to the COVID-19 pandemic shortened the exhibition dates.https://digitalcommons.hope.edu/kam_poster/1011/thumbnail.jp
Opus: Spring 2020
Get PDFAn issue of Opus from spring 2020.https://digitalcommons.hope.edu/opus_2020s/1000/thumbnail.jp
How Religious Priming Affects Attitudes about Immigration
Get PDFMany world religions emphasize the importance of charity and hospitality towards those in need, so one may expect there to be greater levels of helpfulness towards immigrants among the religious. However, several social psychological perspectives, including Social Identity Theory (Tajfel & Turner, 1979), Coalitional Psychology (Navarrete & Fessler, 2005), and Terror Management Theory (Solomon, Greenberg, & Pyszczynski, 2000), have found that people are more willing to help in-group members than out-of-group members. Religious texts often vary in theme and research has found that biblical passages about a violent God led participants to be more aggressive, (Bushman. Ridge, Das, Key, & Busath, 2007), whereas having participants read peace-based passages from their religious texts reduced negative attitudes toward religious outgroup members (e.g., Christians and Muslims; Rothschild, Abdollahi, & Pyszczynski, 2009). The purpose of this study is to examine the effects of priming religious texts on attitudes towards refugees in the United States. The study employs a 5 (religious prime) x 2 (immigrant religion) design. Undergraduate participants (N = 148) were first randomly assigned to one of five priming conditions (i.e., religious inclusion, religious exclusion, general religion, secular inclusion, or neutral). Then, they were randomly assigned to rate their attitudes toward Christians or Muslim refugees. We expect that our results will reveal that participants will demonstrate an in-group bias (e.g., Christian participants favoring Christian refugees) unless they are primed with religious inclusion, where they should demonstrate similar attitudes towards both Christian or Muslim refugees. This research helps us better understand how priming religious texts affects attitudes towards refugees in the United States.
References:
Bassett, J. F., & Cleveland, A, J. (2019). Identification with all humanity, support for refugees and for extreme counter-terrorism measures. Journal of Social and Political Psychology, 7, 310–334, doi: https://doi.org/10.5964/jspp.v7i1.678
Marianne Millen Carlson, Stacey E. McElroy, Jamie D. Aten, Edward B. Davis, Daryl Van Tongeren, Joshua N. Hook & Don E. Davis (2019) We Welcome Refugees? Understanding the Relationship between Religious Orientation, Religious Commitment, Personality, and Prejudicial Attitudes toward Syrian Refugees. The International Journal for the Psychology of Religion, 29, 94-107. doi: https://doi.org/10.1080/10508619.2019.158606
Intermediate Lake Swimmer’s Itch Assessment and Evaluation of a Novel Schistosome Species Found in Helisoma sp. Snails
Get PDF“Swimmer’s itch” is a dermatitis caused by a family of parasitic flatworms (schistosomes) that have a 2-host cycle: an aquatic snail intermediate host, and a bird or mammal vertebrate host. Our goal was to determine the different species of schistosomes cycling within the Intermediate Lake ecosystem to equip their lake association for beginning control. All stages of multiple schistosome species were assessed through water sampling and qPCR analysis, snail shedding and cercariae identification, and waterfowl fecal analysis to identify miracidia. Water sample analysis showed three species of schistosomes were present, one of which was a novel species not yet described. Additional work was done with the novel species to determine that optimal shedding times from the snail intermediate host differs from other Michigan schistosome species. The goal was to use the schistosomes behavior to help identify the unknown definitive host
BSU & PASA Night at the Museum
Get PDFA poster advertising a night at the museum event held by the Hope College Black Student Union (BSU) and Pan African Student Association (PASA) on February 15, 2020.https://digitalcommons.hope.edu/kam_poster/1024/thumbnail.jp
