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Sustainable Environmental Technologies: Recent Development, Opportunities, And Key Challenges, Prafulla Kumar Sahoo, Rupali Datta, Mohammad Mahmudur Rahman, Dibyendu Sarkar Nov 2024

Sustainable Environmental Technologies: Recent Development, Opportunities, And Key Challenges, Prafulla Kumar Sahoo, Rupali Datta, Mohammad Mahmudur Rahman, Dibyendu Sarkar

Michigan Tech Publications

No abstract provided.

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Gut Microbiota Profiling In Injection Drug Users With And Without Hiv-1 Infection In Puerto Rico, Nirosh Aluthge, Seidu Adams, Carmen A. Davila, Nova R. Gocchi Carrasco, Kathy S. Chiou, Roberto Abadie, Sydney J. Bennett, Kirk Dombrowski, Angel M. Major, Aníbal Valentín-Acevedo, John T. West, Charles Wood, Samodha C. Fernando Nov 2024

Gut Microbiota Profiling In Injection Drug Users With And Without Hiv-1 Infection In Puerto Rico, Nirosh Aluthge, Seidu Adams, Carmen A. Davila, Nova R. Gocchi Carrasco, Kathy S. Chiou, Roberto Abadie, Sydney J. Bennett, Kirk Dombrowski, Angel M. Major, Aníbal Valentín-Acevedo, John T. West, Charles Wood, Samodha C. Fernando

School of Medicine Faculty Publications

INTRODUCTION: The full extent of interactions between human immunodeficiency virus (HIV) infection, injection drug use, and the human microbiome is unclear. In this study, we examined the microbiomes of HIV-positive and HIV-negative individuals, both drug-injecting and non-injecting, to identify bacterial community changes in response to HIV and drug use. We utilized a well-established cohort of people who inject drugs in Puerto Rico, a region with historically high levels of injection drug use and an HIV incidence rate disproportionately associated with drug use. METHODS: Using amplicon-based 16S rDNA sequencing, we identified amplicon sequence variants (ASVs) that demonstrated significant variations in the …

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Comparing Neoantigen Cancer Vaccines And Immune Checkpoint Therapy Unveils An Effective Vaccine And Anti-Trem2 Macrophage-Targeting Dual Therapy, Sunita Keshari, Alexander S Shavkunov, Qi Miao, Akata Saha, Tomoyuki Minowa, Martina Molgora, Charmelle D Williams, Mehdi Chaib, Anna M Highsmith, Josué E Pineda, Sayan Alekseev, Elise Alspach, Kenneth H Hu, Marco Colonna, Kristen E Pauken, Ken Chen, Matthew M Gubin Nov 2024

Comparing Neoantigen Cancer Vaccines And Immune Checkpoint Therapy Unveils An Effective Vaccine And Anti-Trem2 Macrophage-Targeting Dual Therapy, Sunita Keshari, Alexander S Shavkunov, Qi Miao, Akata Saha, Tomoyuki Minowa, Martina Molgora, Charmelle D Williams, Mehdi Chaib, Anna M Highsmith, Josué E Pineda, Sayan Alekseev, Elise Alspach, Kenneth H Hu, Marco Colonna, Kristen E Pauken, Ken Chen, Matthew M Gubin

Faculty, Staff and Student Publications

The goal of therapeutic cancer vaccines and immune checkpoint therapy (ICT) is to promote T cells with anti-tumor capabilities. Here, we compared mutant neoantigen (neoAg) peptide-based vaccines with ICT in preclinical models. NeoAg vaccines induce the most robust expansion of proliferating and stem-like PD-1+TCF-1+ neoAg-specific CD8 T cells in tumors. Anti-CTLA-4 and/or anti-PD-1 ICT promotes intratumoral TCF-1- neoAg-specific CD8 T cells, although their phenotype depends in part on the specific ICT used. Anti-CTLA-4 also prompts substantial changes to CD4 T cells, including induction of ICOS+Bhlhe40+ T helper 1 (Th1)-like cells. Although neoAg vaccines or ICTs expand iNOS+ macrophages, neoAg vaccines …

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Septal Wall Synthesis Is Sufficient To Change Ameba-Like Cells Into Uniform Oval-Shaped Cells In Escherichia Coli L-Forms, Masafumi Hayashi, Chigusa Takaoka, Koichi Higashi, Ken Kurokawa, William Margolin, Taku Oshima, Daisuke Shiomi Nov 2024

Septal Wall Synthesis Is Sufficient To Change Ameba-Like Cells Into Uniform Oval-Shaped Cells In Escherichia Coli L-Forms, Masafumi Hayashi, Chigusa Takaoka, Koichi Higashi, Ken Kurokawa, William Margolin, Taku Oshima, Daisuke Shiomi

Faculty, Staff and Student Publications

A cell wall is required to control cell shape and size to maintain growth and division. However, some bacterial species maintain their morphology and size without a cell wall, calling into question the importance of the cell wall to maintain shape and size. It has been very difficult to examine the dispensability of cell wall synthesis in rod-shaped bacteria such as Escherichia coli for maintenance of their shape and size because they lyse without cell walls under normal culture conditions. Here, we show that wall-less E. coli L-form cells, which have a heterogeneous cell morphology, can be converted to a …

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Metabolite Signatures Of Chronological Age, Aging, Survival, And Longevity, Paola Sebastiani, Mary F Feitosa, Mary K Wojczynski, Gary J Patti, Et Al. Nov 2024

Metabolite Signatures Of Chronological Age, Aging, Survival, And Longevity, Paola Sebastiani, Mary F Feitosa, Mary K Wojczynski, Gary J Patti, Et Al.

2020-Current year OA Pubs

Metabolites that mark aging are not fully known. We analyze 408 plasma metabolites in Long Life Family Study participants to characterize markers of age, aging, extreme longevity, and mortality. We identify 308 metabolites associated with age, 258 metabolites that change over time, 230 metabolites associated with extreme longevity, and 152 metabolites associated with mortality risk. We replicate many associations in independent studies. By summarizing the results into 19 signatures, we differentiate between metabolites that may mark aging-associated compensatory mechanisms from metabolites that mark cumulative damage of aging and from metabolites that characterize extreme longevity. We generate and validate a metabolomic …

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Network Differentiation And Identification Of Singletons In Gaussian Networks Under The Bayesian Framework, James Olusegun Adefisoye Nov 2024

Network Differentiation And Identification Of Singletons In Gaussian Networks Under The Bayesian Framework, James Olusegun Adefisoye

Electronic Theses and Dissertations Archive

This dissertation explores Bayesian approaches for network analysis in the context of epigenetic modifications, specifically focusing on Deoxyribonucleic acid methylation (DNA-m) at cytosine-phosphate-guanine (CpG) sites. DNA-m is a key epigenetic modification associated with diseases and infections. Recent research suggests that analyzing joint activities across multiple CpG sites could provide more powerful insights, which can be achieved using network-based approaches, such as Gaussian networks. The first project introduces a Bayesian variable selection method for detecting singletons and reconstructing networks that incorporate singleton status. Singletons, or isolated nodes, can lead to false connections and biased interpretations. The proposed method effectively detects singletons, …

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Bioconvection Dynamics In Rotating And Stationary Cone-Disk Systems, Puneet Rana, Mahanthesh Basavarajappa Nov 2024

Bioconvection Dynamics In Rotating And Stationary Cone-Disk Systems, Puneet Rana, Mahanthesh Basavarajappa

School of Mathematical & Statistical Sciences Faculty Publications

This work focuses on the study of bioconvection in a conical region of rotating and stationary cone-disk systems utilizing nanofluids involving gyrotactic micro-organisms. The flow geometry encompasses two different configurations, namely, rotating cone-disk system (RCDS) and stationary cone-disk system (SCDS). For RCDS, four unique configurations are considered: rotating cone static disk (Model-I), static cone rotating disk (Model-II), co-rotating cone-disk (Model-III), and counter-rotating cone-disk (Model-IV), while SCDS includes both swirling and non-swirling flow scenarios. A total of six different physical configurations that differ in boundary conditions are investigated. The mathematical model comprises Navier–Stokes, energy, nanoparticle volume fraction (NVF), and micro-organism density …

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New Insights Into Combined Surfzone, Embayment, And Estuarine Bathing Hazards, Christopher Stokes, Timothy Poate, Gerd Masselink, Tim Scott, Steve Instance Nov 2024

New Insights Into Combined Surfzone, Embayment, And Estuarine Bathing Hazards, Christopher Stokes, Timothy Poate, Gerd Masselink, Tim Scott, Steve Instance

School of Biological and Marine Sciences

Rip currents are the single largest cause of beach safety incidents globally, but where an estuary mouth intersects a beach, additional flows are created that can exceed the speed of a typical rip current, significantly increasing the hazard level for bathers. However, there is a paucity of observations of surfzone currents at estuary mouth beaches, and our understanding and ability to predict how the bathing hazard varies under different wave and tide conditions are therefore limited. Using field observations and process-based XBeach modelling at an embayed, estuary mouth beach, we demonstrate how surfzone currents can be driven by combinations of …

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Effectiveness And Durability Of A Workplace Sedentary Behavior Intervention Based On The Total Worker Health® Approach, Brad Wipfli, Sara Wild, Ginger Hanson, Steven A. Shea, Kerri Winters-Stone, Wura Olawole, Renee Kozlowski, Saurabh S. Thosar Nov 2024

Effectiveness And Durability Of A Workplace Sedentary Behavior Intervention Based On The Total Worker Health® Approach, Brad Wipfli, Sara Wild, Ginger Hanson, Steven A. Shea, Kerri Winters-Stone, Wura Olawole, Renee Kozlowski, Saurabh S. Thosar

OHSU-PSU School of Public Health Faculty Publications and Presentations

We used the Total Worker Health® approach to develop a multi-component workplace sedentary behavior intervention and tested intervention effectiveness in a cluster randomized trial. Participants (n = 198; 75% female) were recruited from three call-centers (two intervention and one usual practice control). All worksites received pedal stand active workstations. The usual practice site received no additional support, while the intervention group completed a six-month program of activities including computer-based training, behavioral self-monitoring, health and safety discussions, and pedaling competitions. Data collection included a survey, a physical health assessment, and accelerometer measures of sedentary behavior, physical activity, and sitting/standing …

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Current Therapeutic Opportunities For Estrogen Receptor Mutant Breast Cancer, Murugesan Palaniappan Nov 2024

Current Therapeutic Opportunities For Estrogen Receptor Mutant Breast Cancer, Murugesan Palaniappan

Faculty, Staff and Students Publications

Estrogen receptor α (ERα) drives two out of three breast cancers and therefore ERα is a major therapeutic target for ER-positive breast cancer patients. Drugs that inhibit ERα activity or block estrogen synthesis in the body are currently being used in the clinic to treat ER-positive breast cancer and have been quite successful in controlling breast cancer progression for the majority of patients. However, ER-positive breast cancer often becomes resistant to these endocrine therapies, leading to endocrine-resistant metastatic breast cancer, a very aggressive cancer that leads to death. Recent large-scale genomic studies have revealed a series of activating somatic mutations …

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Understanding Mechanisms For Coastal Marsh Sustainability In A Changing Climate, Ashley R. Booth Nov 2024

Understanding Mechanisms For Coastal Marsh Sustainability In A Changing Climate, Ashley R. Booth

LSU Doctoral Dissertations

In the Chenier Plain of Louisiana and Texas, coastal marshes are subject to high rates of relative sea level rise (RSLR), restricted sedimentation, and declining elevation attributed to subsidence and decades of intensive management. These marshes were created via mineral sedimentation but now largely accrete via organic matter accumulation. This organic matter accumulation (OMA) – or the balance between plant productivity and decomposition – is essential for maintaining elevation and thus long-term sustainability. However, management for elevation is complicated by a poor understanding of how abiotic factors like flooding and salinity impact processes driving OMA and elevation. To better understand …

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Modulation Of Energetic And Lipid Pathways By Curcumin As A Potential Chemopreventive Strategy In Human Prostate Cancer Cells, Michele Pellegrino, Maria Antonietta Occhiuzzi, Fedora Grande, Ilaria Stefania Pagani, Stefano Aquaro, Paola Tucci Nov 2024

Modulation Of Energetic And Lipid Pathways By Curcumin As A Potential Chemopreventive Strategy In Human Prostate Cancer Cells, Michele Pellegrino, Maria Antonietta Occhiuzzi, Fedora Grande, Ilaria Stefania Pagani, Stefano Aquaro, Paola Tucci

Staff and Researcher Publications

In Western industrialized countries, prostate cancer (PCa) is the second most common malignant disease and prevalent cause of death for men. Epidemiological studies have shown that curcumin (CUR) either prevents PCa initiation or delays its progression to a more aggressive and treatment-refractory form, thus reducing related mortality. Our previous studies have proven the anticancer, antioxidant, and anti-inflammatory properties of CUR on PCa cells. However, there are few reports of the effect of CUR on energy and lipid pathways in PCa. Herein, we show that CUR can modulate the two metabolic energy pathways, increasing glycolytic reserve and reducing oxidative phosphorylation. Moreover, …

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Spatial, Transcriptomic, And Epigenomic Analyses Link Dorsal Horn Neurons To Chronic Pain Genetic Predisposition, Cynthia M Arokiaraj, Alexander Chamessian, Et Al. Nov 2024

Spatial, Transcriptomic, And Epigenomic Analyses Link Dorsal Horn Neurons To Chronic Pain Genetic Predisposition, Cynthia M Arokiaraj, Alexander Chamessian, Et Al.

2020-Current year OA Pubs

Key mechanisms underlying chronic pain occur within the dorsal horn. Genome-wide association studies (GWASs) have identified genetic variants predisposed to chronic pain. However, most of these variants lie within regulatory non-coding regions that have not been linked to spinal cord biology. Here, we take a multi-species approach to determine whether chronic pain variants impact the regulatory genomics of dorsal horn neurons. First, we generate a large rhesus macaque single-nucleus RNA sequencing (snRNA-seq) atlas and integrate it with available human and mouse datasets to produce a single unified, species-conserved atlas of neuron subtypes. Cellular-resolution spatial transcriptomics in mouse shows the precise …

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An Integrative Approach Clarifies Species Delimitation And Biogeographic History Of Debregeasia (Urticaceae), Amos Kipkoech, Ke Li, Richard I. Milne, Oyetola Olesegun Oyebanji, Moses C. Wambulwa, Xiao-Gang Fu, Dennis A. Wakhungu, Zheng-Yuan Wu, Jie Liu Nov 2024

An Integrative Approach Clarifies Species Delimitation And Biogeographic History Of Debregeasia (Urticaceae), Amos Kipkoech, Ke Li, Richard I. Milne, Oyetola Olesegun Oyebanji, Moses C. Wambulwa, Xiao-Gang Fu, Dennis A. Wakhungu, Zheng-Yuan Wu, Jie Liu

Biological Sciences Faculty Publications and Presentations

Integrative data from plastid and nuclear loci are increasingly utilized to resolve species boundaries and phylogenetic relationships within major angiosperm clades. Debregeasia (Urticaceae), an economically important genus, presents challenges in species delimitation due to its overlapping morphological traits and unstable taxonomic assignments. Here, we analyzed 14 morphological traits and generated 12 data matrices from the plastomes and nrDNA using genome skimming from the nine recognized morphospecies to clarify species boundaries and assess barcode performance in Debregeasia. We also used a universal set of 353 nuclear genes to explore reticulate evolution and biogeographic history of Debregeasia. Plastomes of Debregeasia …

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Heroic Virtues In Space Exploration: Everydayness And Supererogation On Earth And Beyond, John N. Nielsen Nov 2024

Heroic Virtues In Space Exploration: Everydayness And Supererogation On Earth And Beyond, John N. Nielsen

Heroism Science

The space environment poses significant dangers and difficulties for human explorers—difficulties so great that it has been argued that space exploration should be exclusively conducted by automated spacecraft. The possibility of space science conducted by human astronauts in spite of these dangers presents the opportunity for individuals to exhibit traditional heroic virtues—presumably, supererogatory forms of prudence, temperance, fortitude, and justice—in the pursuit of science. In particular, the difficulties of pursuing science in the hostile conditions of extraterrestrial environments will call for physical courage in the face of personal danger, patience with the painstaking procedures of technically difficult scientific experiments performed …

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Cultivation Of Food And Fodder Crop Millets And Quinoa In The Aquaponics System For Sustainable Food Security In The United Arab Emirates, Salama Yousef Alkhoori Nov 2024

Cultivation Of Food And Fodder Crop Millets And Quinoa In The Aquaponics System For Sustainable Food Security In The United Arab Emirates, Salama Yousef Alkhoori

Thesis/ Dissertation Defenses

Aquaponics is a sustainable food production technology that integrates aquaculture with hydroponics. This study aimed to evaluate the possible impact of an aquaponics system on the cultivation of pearl millet, finger millet, and quinoa, utilizing water from tilapia aquaculture. The duration of the experiment is six months utilizing the manually constructed backyard aquaponics system. Tilapia fish serves as the principal biological material for nutrient generation in the experiment. This study investigated and recorded water quality indicators, including pH, temperature, dissolved oxygen, electrical conductivity, total dissolved solids, ammonia, nitrite, and nitrate levels over the experimental period. The parameters of fish growth, …

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Convolutional Neural Networks For Dementia Severity Classification: Ordinal Versus Regular Methods, Ambresh Bhadrashetty, P. Sandhya Nov 2024

Convolutional Neural Networks For Dementia Severity Classification: Ordinal Versus Regular Methods, Ambresh Bhadrashetty, P. Sandhya

Iraqi Journal for Computer Science and Mathematics

Dementia, a chronic neurodegenerative disorder, progressively impairs cognitive functions such as memory, reasoning, learning, and recall, placing a significant burden on patients and healthcare systems. Early and accurate classification of dementia severity is crucial for personalized care and intervention. This study introduces a novel Convolutional Neural Network (CNN) designed to classify dementia into four ordinal severity levels (None, Very Mild, Mild, and Moderate) based on MRI brain scans. Utilizing the extensive Open Access Series of Imaging Studies (OASIS) dataset, which includes 86,437 MRI scans (67,222 ‘none,’ 13,725 ‘very mild,’ 5,002 ‘mild,’ and 488 ‘moderate’), our model addresses severe class imbalance …

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Explainable Machine Learning Approach Enables Computer-Aided Identification System For Children Autism Spectrum Disorder (C-Asd), Karrar Hameed Abdulkareem, Zainab Hussein Arif, Mazin Abed Mohammed Nov 2024

Explainable Machine Learning Approach Enables Computer-Aided Identification System For Children Autism Spectrum Disorder (C-Asd), Karrar Hameed Abdulkareem, Zainab Hussein Arif, Mazin Abed Mohammed

Iraqi Journal for Computer Science and Mathematics

Neurodevelopmental disorders like autism spectrum disorder (ASD) cause significant cognitive, linguistic, object identification, communication, and social skills deficits. Although there is currently no cure for autism spectrum disorder (ASD), early detection can aid in diagnosis and implementing effective preventative measures. Artificial intelligence (AI) tools allow for an earlier diagnosis of ASD than was previously possible. Furthermore, many clinical and not clinical attributes can be used for identification of ASD but select the most proper ones still challenge. Therefore, in this study we propose a Computer-Aided Identification System based on machine learning concept and feature selection methods to diagnosis Children Autism …

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A Comprehensive Analysis Of Partition Dimensions In Efavirenz Abacavir Lamivudine Doravirine Of Anti-Hiv Drug Structures, R. Nithya Raj, R. Sundara Rajan, Hijaz Ahmad Nov 2024

A Comprehensive Analysis Of Partition Dimensions In Efavirenz Abacavir Lamivudine Doravirine Of Anti-Hiv Drug Structures, R. Nithya Raj, R. Sundara Rajan, Hijaz Ahmad

Iraqi Journal for Computer Science and Mathematics

The partition dimension of a graph in chemical graph theory refers to a graph invariant used to analyze the structural properties of molecules. It represents the minimum number of clusters or resolving partition set required to uniquely identify each vertex in the graph based on the neighborhoods within their respective clusters. In the context of chemical graph theory, the vertices of the graph correspond to atoms, and edges represent bonds between these atoms in a molecular structure. Determining the partition dimension of a chemical graph helps in understanding the relationships between molecular components and their spatial arrangements. It assists in …

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Ethics And The Evolving Deployments Of Disciplinary Practices: A Foucauldian Analysis Of The Glamorization Of Bodies, Gerald Pio M. Franco Nov 2024

Ethics And The Evolving Deployments Of Disciplinary Practices: A Foucauldian Analysis Of The Glamorization Of Bodies, Gerald Pio M. Franco

Budhi: A Journal of Ideas and Culture

The paper discusses how individuals are constituted by disciplinary practices as presented in Michel Foucault’s two major works: Discipline and Punish and The History of Sexuality, Volume 1: An Introduction. The workings of power-knowledge gave rise to the penal apparatus and deployments of sexuality, which affected entire populations. But even as these disciplinary practices evolve and become seemingly more humane and liberating, they continue to produce docile and normalized subjects. One particular example of this process, discussed here in detail, is the transition from the figure of the hysterical woman to the modern glamorous (beautiful) woman. Such a transition extends …

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Why Should Universities Contribute To New Utopias?, Geert Bouckaert Nov 2024

Why Should Universities Contribute To New Utopias?, Geert Bouckaert

Budhi: A Journal of Ideas and Culture

What would the ideal society look like, and its university? In 1516 the English humanist Thomas More tried his hand at imagining a perfect society on a distant island. His Utopia was first published in the Flemish town of Leuven, home of a university that was established almost a century earlier in 1425. Five hundred years later, university scholars revisit More’s exercise in an interdisciplinary range of science-based utopias.1 Like More’s Utopia, later and new utopias have to be read in the light of their own times. Utopias are connected to and embedded in their social realities. They belong to …

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Helen De Cruz And Ryan Nichols, Eds. Advances In Religion, Cognitive Science, And Experimental Philosophy, Jovino G. Miroy Nov 2024

Helen De Cruz And Ryan Nichols, Eds. Advances In Religion, Cognitive Science, And Experimental Philosophy, Jovino G. Miroy

Budhi: A Journal of Ideas and Culture

Helen de Cruz and Ryan Nichols, eds. Advances in Religion, Cognitive Science, and Experimental Philosophy

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The Practice Of Hermeneutics: The Legal Text And Beyond, George H. Taylor Nov 2024

The Practice Of Hermeneutics: The Legal Text And Beyond, George H. Taylor

Budhi: A Journal of Ideas and Culture

This article attempts to show the continuing practical relevance of hermeneutics through the example of legal interpretation. The article begins with the very concrete nature of legal hermeneutics that forms everyday legal practice—the interrelation of meaning and application— and expands at a more theoretical to show how legal hermeneutics, and hermeneutics more generally, offers what Ricoeur calls an interpretive “choice in favor of meaning.” The choice in favor of meaning underscores the restorative character of hermeneutics that legal hermeneutics can epitomize. The article concludes with some of the challenges facing contemporary legal hermeneutics.

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Exemplarity And The "Law Of Superabundance", Roger W. H. Savage Nov 2024

Exemplarity And The "Law Of Superabundance", Roger W. H. Savage

Budhi: A Journal of Ideas and Culture

Paul Ricoeur’s critique of social emancipatory projects that claim to be absolutely radical sets the stage for my investigation into the exemplary value of esteemed moral and political acts. Like works of art, such acts reform or revolutionize praxis through refashioning the world from within. By placing textual hermeneutics under the theme of the increase in being evinced by the work of art, Ricoeur’s analysis on the way that metaphor as a work in miniature iconically augments reality forges a link between the imagination’s productive power and the “law of superabundance.” This law inheres in the logic of hope. The …

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The Utah Statesman, November 25, 2024, Utah State University Nov 2024

The Utah Statesman, November 25, 2024, Utah State University

The Utah Statesman

Weekly student newspaper of Utah State University in Logan.

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A Call To Study The Bidirectional Relationship Between Healthcare Accessibility Issues And Medical Gaslighting For Marginalized Groups With Chronic Pain, Nikki Harnage Nov 2024

A Call To Study The Bidirectional Relationship Between Healthcare Accessibility Issues And Medical Gaslighting For Marginalized Groups With Chronic Pain, Nikki Harnage

Honors College Theses

Chronic pain is an epidemic in its own right. Affecting 21% of American adults and costing $300 billion each year, chronic pain rivals cancer, diabetes, and hypertension combined. From psychological impacts on patients to worsening health outcomes further burdening the healthcare system and billions of lost productivity stressing the economy, chronic pain can affect all Americans. However, chronic pain disproportionately afflicts marginalized groups including non-whites, women, and disadvantaged socioeconomic classes. For decades, research has demonstrated disparities in diagnosis, treatment, and management of chronic pain are associated with accessibility issues in healthcare, a link that is likely the result of systemic …

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Decomposition Rates Of Native (Indigo) Vs Non-Native (Cosmos) Plants, Siobhan Day, Emily L. Garner, Carmyn Harrison, Corinne Parker, Angela D. Panvini Nov 2024

Decomposition Rates Of Native (Indigo) Vs Non-Native (Cosmos) Plants, Siobhan Day, Emily L. Garner, Carmyn Harrison, Corinne Parker, Angela D. Panvini

Science University Research Symposium (SURS)

Decomposition is a crucial step in the cycling and recycling of nutrients in the natural world. As things die, detritivores such as bacteria, protists, and fungi break down the material into organic and inorganic matter, releasing nutrients into the soil to be used by living plants. This study aimed to determine the rate of decomposition of a native plant, Baptisia australis, (Blue False Indigo) compared to a non-native plant, Cosmossulphureus (Cosmos). Eight litterbags filled with Indigo and eight litterbags filled with Cosmos were left to decompose and the rate of decomposition was recorded over a period of eight weeks. Results …

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Decomposition Rates Of Introduced C. Sulphureus Vs. Native A. Rhomboidei ​, Jonathan R. Loftis, Todd Hoskinson, Gabi Palumbo, Marven Roufail, Darlene Panvini Nov 2024

Decomposition Rates Of Introduced C. Sulphureus Vs. Native A. Rhomboidei ​, Jonathan R. Loftis, Todd Hoskinson, Gabi Palumbo, Marven Roufail, Darlene Panvini

Science University Research Symposium (SURS)

Decomposition rates are important in measuring the health of an ecosystem. They can indicate the rate at which nutrients cycle through the habitat. However, not all leaves will decompose at the same rate, which impacts the rate at which nutrients can be recycled. The introduction of non-native species may bring about changes to the native nutrient cycle, as these plants may have a different rate of decomposition than those of native species. This can affect the amount of nutrients available in the soil surrounding native and non-native plant species, which in turn affect other native species. Using two species of …

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Propagation Party: Comparing Root Development Across Techniques, Sumiah Muhsin, Aunalise Terreri, Edi Mihalcea, Indy Cockrill Nov 2024

Propagation Party: Comparing Root Development Across Techniques, Sumiah Muhsin, Aunalise Terreri, Edi Mihalcea, Indy Cockrill

Science University Research Symposium (SURS)

Plant propagation is a method of growing plants through various techniques that create genetically identical clones of the parent plant. Propagation maintains the preferred genetic material of a plant so that it can be further reproduced on a larger scale. To assess growth variations, sweet potato cuttings were propagated in soil and water, as well as in water with and without rooting hormone. Additionally, Monstera cuttings were propagated in water with and without rocks. Root development was observed across all conditions to determine the most effective propagation methods. Plants propagated in water appear to root more successfully than those propagated …

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2024 November 25 - From My Notepads Newsletter, Office Of The President, East Tennessee State University, Brian Noland Nov 2024

2024 November 25 - From My Notepads Newsletter, Office Of The President, East Tennessee State University, Brian Noland

From My Notepads: A Newsletter from President Brian Noland

No abstract provided.

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