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Adsorption Of Pfas On Bridged Functionalized Organosilica Materials, Elisha Lawerh Kabutey May 2026

Adsorption Of Pfas On Bridged Functionalized Organosilica Materials, Elisha Lawerh Kabutey

Electronic Theses and Dissertations

PFAS are hazardous contaminants that have a devastating impact on human health and the environment. Their hazardous nature has led to the development of various adsorption methods for removing these contaminants from water sources. In this study, functionalized organosilica materials were synthesized from bis[3-(trimethoxysilyl)propyl] amine using the sol-gel method. The surface amino groups of the organosilica were converted into amine hydrochloride groups. Their adsorption properties were evaluated using salts of perfluorooctanoic acid, perfluorooctanesulfonic acid, and perfluorobutanesulfonic acid. Results showed excellent adsorption capacity of the materials. Adsorption of PFAS leads to particle agglomeration and flotation of the spent material. A column …


Exploring The Lived Experiences Of Black Women In Undergraduate Stem Core Expansion Pathways, Lizzie L. Evans Martinez Alvarez Mar 2026

Exploring The Lived Experiences Of Black Women In Undergraduate Stem Core Expansion Pathways, Lizzie L. Evans Martinez Alvarez

Electronic Theses and Dissertations

The use of social incongruence in the film Hidden Figures, which juxtaposed with STEM education as the most powerful in contrast with Black women as the least powerful, supported the argument for the specific problem of practice to examine the unmet need for socially and ethnically diverse student populations in U.S. STEM higher education and careers. The purpose of this hermeneutic phenomenological research study was to identify and analyze the lived experiences of Black women regarding barriers they perceive in the STEM educational and career decision-making processes, while exploring transformational pathways to STEM academic success. The study specifically analyzed …


A Phenomenological Study On The Influence Of A Leadership Living-Learning Community On First-Generation College Student Social Integration, Jeremy Todd Sheffield Jan 2020

A Phenomenological Study On The Influence Of A Leadership Living-Learning Community On First-Generation College Student Social Integration, Jeremy Todd Sheffield

Electronic Theses and Dissertations

First-generation college students are a growing and unique population in the United States. First-generation college students face far more barriers to success when compared to their continuing-generation peers. Student retention and success is a primary concern for institutions of higher education in the United States as economic challenges and pressures grow. Therefore, retention and success for the growing number of first-generation college students is a priority for higher education leaders. A vital component of student retention and success is effective social integration. A proven high-impact practice for increasing student social integration is participation in a living-learning community. A descriptive phenomenological …


Engagement Management: A Case Study Of The Criteria And Processes Used To Identify, Evaluate, And Communicate Program Expectations For University Partnerships, Frederick E. Powers Jan 2015

Engagement Management: A Case Study Of The Criteria And Processes Used To Identify, Evaluate, And Communicate Program Expectations For University Partnerships, Frederick E. Powers

Electronic Theses and Dissertations

Over the years, American public university outreach and engagement programs and activities have been defined and managed in many different ways and at varying levels within the institutions. Some universities clearly define complex outreach and engagement objectives and visions in their mission and throughout the fabric of the institution; while other university's outreach and engagement objectives and visions are less refined and not as evident to the casual observer (Bonnen, 1998). While much has been studied and developed in terms of establishing and managing a university's outreach activities, very little research has been conducted with respect to the social, procedural, …