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Articles 1051 - 1080 of 10454
Full-Text Articles in Entire DC Network
Nine-And-Fifty Jawns, Michael Deagler
Full Issue, Journal Editors
Three Poems, Whit Griffin
Two Poems, John Fenlon Hogan
Three Poems, Donald Dunbar
Full Issue, Journal Editors
The End Of Fun, Paul Luikart
Full Issue, Journal Editors
Advice On The Farm, Caroline Crew
Three Fictions, Ryan Ridge
Full Issue, Journal Editors
Issue 363: January 14-28, 2021, The Local Voice
Celebrations 2021, University Of Mississippi Writing Project, University Of Mississippi. Office Of Pre-College Programs
Celebrations 2021, University Of Mississippi Writing Project, University Of Mississippi. Office Of Pre-College Programs
Celebrations: A Literary Magazine
No abstract provided.
Isolation Of Catechins From Cycas Armstrongii Miq. Of An Egyptian Origin, Ahmed Ismail, Mohamed M. Radwan, Hossam M. Hassan, Abeer S. Moawad
Isolation Of Catechins From Cycas Armstrongii Miq. Of An Egyptian Origin, Ahmed Ismail, Mohamed M. Radwan, Hossam M. Hassan, Abeer S. Moawad
Faculty and Student Publications
The phytochemical investigation of Cycas armstrongii Miq. leaves and twigs using different chromatographic techniques led to the isolation of three catechin monomers; catechin (1), epicatechin (2), and epigallocatechin-3-gallate (3), for the first time from this species. The chemotaxonomic significance of the isolated compounds is discussed in the rest of this article.
Hiv-1 Tat And Morphine Differentially Disrupt Pyramidal Cell Structure And Function And Spatial Learning In Hippocampal Area Ca1: Continuous Versus Interrupted Morphine Exposure, William D. Marks, Jason J. Paris, Aaron J. Barbour, Jean Moon
Hiv-1 Tat And Morphine Differentially Disrupt Pyramidal Cell Structure And Function And Spatial Learning In Hippocampal Area Ca1: Continuous Versus Interrupted Morphine Exposure, William D. Marks, Jason J. Paris, Aaron J. Barbour, Jean Moon
Faculty and Student Publications
About half the people infected with human immunodeficiency virus (HIV) have neurocognitive deficits that often include memory impairment and hippocampal deficits, which can be exacerbated by opioid abuse. To explore the effects of opioids and HIV on hippocampal CA1 pyramidal neuron structure and function, we induced HIV-1 transactivator of transcription (Tat) expression in transgenic mice for 14 d and co-administered time-release morphine or vehicle subcutaneous implants during the final 5 d (days 9–14) to establish steady-state morphine levels. Morphine was withheld from some ex vivo slices during recordings to begin to assess the initial pharmacokinetic consequences of opioid withdrawal. Tat …
Understanding Of Pharmacy Students Towards Antibiotic Use, Antibiotic Resistance And Antibiotic Stewardship Programs: A Cross-Sectional Study From Punjab, Pakistan, Khezar Hayat, Shazia Jamshed, Meagen Rosenthal, Noman Ul Haq
Understanding Of Pharmacy Students Towards Antibiotic Use, Antibiotic Resistance And Antibiotic Stewardship Programs: A Cross-Sectional Study From Punjab, Pakistan, Khezar Hayat, Shazia Jamshed, Meagen Rosenthal, Noman Ul Haq
Faculty and Student Publications
Antibiotic resistance (ABR) is a significant issue for public health globally. An adequate understanding of ABR and the approaches used to tackle ABR, including antibiotic stewardship programs, are vital. This study aimed to get an insight into antibiotic use, ABR, and antibiotic stewardship programs among pharmacy students of Punjab, Pakistan. This multicenter study was undertaken among final (fifth) year undergraduate pharmacy students of 7 universities of Punjab, Pakistan. A paper-based self-administered questionnaire comprising 48-items was utilized for data collection. Descriptive and inferential statistics were employed for data analysis. This study included a total of 296 respondents with a response rate …
The Association Of Self-Reported Physical Activity On Human Sensory Long-Term Potentiation, Damien Moore, Paul D. Loprinzi
The Association Of Self-Reported Physical Activity On Human Sensory Long-Term Potentiation, Damien Moore, Paul D. Loprinzi
Faculty and Student Publications
Exercise has been shown to enhance synaptic plasticity, therefore, potentially affecting memory. While the mechanism(s) responsible for this relationship have been explored in animal models, current research suggests that exercise may possess the ability to induce synaptic long-term potentiation (LTP). Most of the LTP mechanistic work has been conducted in animal models using invasive procedures. For that reason, the purpose of the present experiment was to investigate whether self-reported exercise is related to human sensory LTP-like responses. Nineteen participants (MAGE= 24 years; 52.6% male) completed the study. Long-term potentiation-like responses were measured by incorporating a non-invasive method that assess the …
Serial-Multiple Mediation Of Enjoyment And Intention On The Relationship Between Creativity And Physical Activity, Myungjin Jung, Han Soo Kim, Paul D. Loprinzi, Minsoo Kang
Serial-Multiple Mediation Of Enjoyment And Intention On The Relationship Between Creativity And Physical Activity, Myungjin Jung, Han Soo Kim, Paul D. Loprinzi, Minsoo Kang
Faculty and Student Publications
The purpose of the present study was to examine a serial-multiple mediation of physical activity (PA) enjoyment and PA intention in the relationship between creativity and PA level (i.e., moderate-to-vigorous PA). A total of 298 undergraduate and graduate students completed a selfreported questionnaire evaluating creativity, PA enjoyment, PA intention, and PA level. Data analysis was conducted using descriptive statistics, Pearson correlation coefficient, ordinary leastsquares regression analysis, and bootstrap methodology. Based on the research findings, both PA enjoyment (β = 0.06; 95% CI [0.003, 0.12]) and PA intention (β = 0.08; 95% CI [0.03, 0.13]) were found to be a mediator …
Mythopoetic Naturalization: Toward A New Paradigm Of Reifcation, Bryan Smyth
Mythopoetic Naturalization: Toward A New Paradigm Of Reifcation, Bryan Smyth
Faculty and Student Publications
This paper sketches a new approach to the critical-theoretic problem of reifcation understood as a normatively problematic form of naturalizing or dehistoricizing entifcation. Entifcation in general is approached phenomenologically in terms of the mythic outer horizonality of the lifeworld, and reifcation is shown to stem from the dichotomy between nature and history which, along with a corresponding dichotomy between myth and reason, is characteristic of Enlightenment rationality. Dereifcation necessitates overcoming these dichotomies, and this implies a critical embrace of myth and mythopoesis in the sense of instituting more normatively appropriate lifeworld horizons. While classical Marxism and radical social theory have …
The Fourfold Route To Empirical Enlightenment Experimental Philosophy’S Adolescence And The Changing Body Of Work, Robert Barnard, Joseph Ulatowski, Jonathan M. Weinberg
The Fourfold Route To Empirical Enlightenment Experimental Philosophy’S Adolescence And The Changing Body Of Work, Robert Barnard, Joseph Ulatowski, Jonathan M. Weinberg
Faculty and Student Publications
The time has come to consider whether experimental philosophy’s (“x-phi”) early arguments, debates, and conceptual frameworks, that may have worn well in its early days, fit with the diverse range of projects undertaken by experimental philosophers. Our aim is to propose a novel taxonomy for x-phi that identifies four paths from empirical findings to philosophical consequences, which we call the “fourfold route.” We show how this taxonomy can be fruitfully applied even at what one might have taken to be the furthest edges of possible applications of x-phi in metaphysics and formal philosophy. Ultimately, the fourfold route helps us understand …
Association Of Physical Activity On Memory Interference: Boston Puerto Rican Health Study, Paul D. Loprinzi, Lindsay K. Crawford, Tammy Scott, Katherine L. Tucker
Association Of Physical Activity On Memory Interference: Boston Puerto Rican Health Study, Paul D. Loprinzi, Lindsay K. Crawford, Tammy Scott, Katherine L. Tucker
Faculty and Student Publications
Background: The objective of this study was to evaluate the association between habitual physical activity engagement on memory interference. The present analysis used cross-sectional data from the Boston Puerto Rican Health Study (n=1,241; mean age= 57.2; 72.1% female). Methods: Physical activity was evaluated via self-report. Memory interference was evaluated using a word-list paradigm. The memory task included learning a list of 16 words (List A; 5 trials), followed by a distractor list (List B), and then an immediate recall of List A. Proactive interference occurs when preceding stimuli (e.g., Trial 1 and Trial 5 of List A) interferes with performance …
Surface And Interfacial Phenomena Between Soil And Oil, Md Firoz Ahmed
Surface And Interfacial Phenomena Between Soil And Oil, Md Firoz Ahmed
Electronic Theses and Dissertations
Crude oil and motor oil spills on land have severe environmental consequences that pose threats to both humans and natural resources. It is particularly important to know the flow behavior of oils to protect terrestrial ecosystems from this kind of damage. The spreading kinetics, contact angle (CA), and droplet baseline studies of crude oil and motor oils were investigated over several realistic soil-based matrices composed of topsoil (silt-dominant), sand, clay, and moisture. It was found that with an increase in moisture content (MC), the spreading area decreased, and initial spreading time increased for all given oil. The initial CA generally …
Dependency-Based Reactive Change Propagation Design Pattern Applied To Environments With High Unpredictability, João Paulo Oliveira Marum
Dependency-Based Reactive Change Propagation Design Pattern Applied To Environments With High Unpredictability, João Paulo Oliveira Marum
Electronic Theses and Dissertations
Transitional turbulence is a period of chaotic or unreliable variation in the state of a software system that results from changes in the system’s interconnected components. During these periods of instability, an external observer of the system’s state may “see” erroneous results. This is a problem that can affect visual user interfaces such as those in virtual and augmented reality applications and desktop or Web GUIs. In this research, we study two different reactive applications developed in C# on .NET. We reduce the transitional turbulence by augmenting the base applications with a dependency-graph-based event scheduling approach. The first study investigates …
Isolation Of Marker Compounds From Copaiba Essential Oil And Mimosa Pigra For Quality Evaluation Of Dietary Supplements, Mohammed Hawwal
Isolation Of Marker Compounds From Copaiba Essential Oil And Mimosa Pigra For Quality Evaluation Of Dietary Supplements, Mohammed Hawwal
Electronic Theses and Dissertations
Natural products have been used as a primary means of treating illness since ancient times, and they remain an important pool of U.S. FDA approved drugs. Approximately 33% of all current pharmaceutical medications discovered between 1981 and 2014 are either natural products or derived from natural products (Newman and Cragg 2016). The process of isolating specialized metabolites from medicinal plants has led to the development of particularly important medicines worldwide (Rakotomalala, Agard et al. 2013) such as Taxol® from Taxus brevifolia Nutt. (Taxaceae) and salicylic acid from the bark of Salix spp. This research is composed of five chapters; the …
Removal Of Heavy Metals From Water Using Natural Bauxite, Hashindra Kumari Herath
Removal Of Heavy Metals From Water Using Natural Bauxite, Hashindra Kumari Herath
Electronic Theses and Dissertations
Bauxite, the principal ore of aluminum is a potential low-cost sorbent to treat heavy metal-contaminated water. This work studied the ability of raw bauxite to adsorb Pb2+, Cu2+ , Ni2+, and Co2+ ions in natural waters and the dependency of the sorption efficiency on the initial metal ion concentration in water, contact time, the ‘type’ of bauxite, and the effect of coexisting metals. Goethite-rich (B1) and kaolinite-rich (B2) bauxites were sampled in Pontotoc County, Mississippi. Single element and multi-element (ME) solutions were prepared by introducing the metals at concentrations of 10, 100, and 500 ppb in lake water. The solutions …
Responses Of Predatory Myxobacteria To Prey Signaling Molecules & Features Of A Pseudomonas Prey Avoiding Predation, Shukria Akbar
Responses Of Predatory Myxobacteria To Prey Signaling Molecules & Features Of A Pseudomonas Prey Avoiding Predation, Shukria Akbar
Electronic Theses and Dissertations
Gram-negative unicellular myxobacteria, along with their multicellular lifestyle andbiologically active specialized metabolites, are known for the predatory interactions with Gram-negative/ Gram-positive bacteria and fungi. Although myxobacterial predation range have been exploited extensively, little is known about the prey associated molecules contributing to myxobacterial predator-prey dynamics. By employing transcriptomics and untargeted metabolomics approaches, we demonstrate two structurally distinct classes of signaling molecules from Gram-negative bacterial prey elicit significant omics responses from myxobacteria, Myxococcus xanthus and Cystobacter ferrugineus. An overlapping and general response to acylhomoserine lactones, whereas a distinctive response to a quinolone signaling molecule is observed from both myxobacteria. Similarly, by …
Quantifying Microbial Resistance To Nematode Predation, Tyler Bacon
Quantifying Microbial Resistance To Nematode Predation, Tyler Bacon
Electronic Theses and Dissertations
The selection pressure of predation has encouraged the development of defense traits that can make an individual species more environmentally stable. In addition to biotic pressures, abiotic factors could lead to disruption of predator-prey balance within ecosystems. Consequently, it is significant to better understand how environmental factors can influence predator-prey interactions and how responses may, in turn, affect communities. A current challenge within microbial communities is to understand which intraspecific traits associated with such defense strategies are important for microbial-prey responses to predation, and how the responses vary across environments revealing GxE interactions. In this study, I examined microbial-predator prey …
Comparative Study Of Agrogeophysical Methods For Identifying Soil Pipes, Md Abdus Abdus Samad
Comparative Study Of Agrogeophysical Methods For Identifying Soil Pipes, Md Abdus Abdus Samad
Electronic Theses and Dissertations
Soil erosion is considered the greatest challenge for soil management and agri-food production threatening human habitat and livelihood. Although soil erosion due to surficial processes has been well studied, the role of the subsurface process such as internal soil pipes has often been overlooked. Internal soil pipes directly contribute to total soil loss in agricultural fields that severely threaten agricultural sustainability. Locating, measuring, and mapping internal soil pipes and their networks are vital to assess the total soil loss in agricultural fields. Internal soil pipes are not commonly visible at the surface, and their subsurface networks rarely follow the surface …
Development Of An Ophthalmic Nanoemulsion Containing Δ9-Tetrahydrocannabinol-Valine-Hemisuccinate (Thc-Vhs; Nb1111) For Management Of Glaucoma, Corinne Varner
Development Of An Ophthalmic Nanoemulsion Containing Δ9-Tetrahydrocannabinol-Valine-Hemisuccinate (Thc-Vhs; Nb1111) For Management Of Glaucoma, Corinne Varner
Electronic Theses and Dissertations
The use of Δ9-Tetrahydrocannabinol (THC) and Δ9-Tetrahydrocannabinol-Valine-Hemisuccinate (THC-VHS; NB1111) has recently been investigated in the management of intraocular pressure (IOP) lowering activity. The current studies were undertaken to develop a THC-VHS loaded nanoemulsion (NE; THC-VHS-NE) with and without Carbopol® 940 as mucoadhesive agent (NEC; THC-VHS-NEC) that could increase the drug load and the duration of activity. The physical and chemical stability and sterilization of the lead formulation THC-VHS-NE and THC-VHS-NEC were observed under refrigerated conditions (4°C) for sixty days. Further, the pharmacodynamic (PD) effect of the lead formulations were studied in normotensive Albino New Zealand White (NZW) male rabbits following …
Formulation Development, Characterization, And Optimization Of Antimalarial And Antibiotic Drugs, Kai-Wei Wu
Formulation Development, Characterization, And Optimization Of Antimalarial And Antibiotic Drugs, Kai-Wei Wu
Electronic Theses and Dissertations
Primaquine (PQ)-loaded solid lipid nanoparticles (SLN), nanostructured lipid carriers (NLC), and nano-emulsion (NE) were developed to investigate the influence of lipid excipients, surfactants, and drug loading on the physicochemical properties of lipid formulations. To investigate the drug release mechanisms from the lipid-based formulations, empirical release kinetic models such as zero-order, Higuchi, Korsmeyer-Peppas, and Hixson-Crowell were used. In an ex vivo hemolysis toxicity study, the efficacy of SLN, NLC, and NE to protect erythrocytes against PQ-induced cell lysis was investigated. The results show that all lipid formulations reduced the erythrocyte hemolysis by approximately 4.5-fold compared to the drug solution, suggesting that …