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Application Of A Bacteriophage–Sanitizer Combination In Post-Harvest Control Of E. Coli O157:H7 Contamination On Spinach Leaves In The Presence Or Absence Of A High Organic Load Produce Wash, Badrinath Vengarai Jagannathan, Steven Kitchens, Stuart Price, Melissa Morgan, Paul Priyesh Vijayakumar Dec 2021

Application Of A Bacteriophage–Sanitizer Combination In Post-Harvest Control Of E. Coli O157:H7 Contamination On Spinach Leaves In The Presence Or Absence Of A High Organic Load Produce Wash, Badrinath Vengarai Jagannathan, Steven Kitchens, Stuart Price, Melissa Morgan, Paul Priyesh Vijayakumar

Animal and Food Sciences Faculty Publications

Foodborne illness due to the consumption of contaminated products continues to be a serious public health issue. Bacteriophages might provide a natural and effective way to control and reduce the pathogenic bacterial population on food products. Researchers have conducted various experiments to prove their effectiveness against different pathogens and their ability to act as a natural intervention to control pathogen populations, especially in the food industry. In this study, a cocktail of bacteriophages (phages) was added to wash water in the presence of a high organic load along with commercially used sanitizers (chlorine or Sanidate 5.0) to study the efficacy …

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Acetyl-L-Carnitine Protects Against Lps Induced Depression Via Ppar-Γ Induced Inhibition Of Nf-Κb/Nlrp3 Pathway, Amna Samin, Lina Tariq Al Kury, Muhammad Imran Khan, Shabir Hussain, Abdullah Alattar, Reem Alshaman, Fawad Ali Shah, Muhammad Aamir, Shupeng Li Dec 2021

Acetyl-L-Carnitine Protects Against Lps Induced Depression Via Ppar-Γ Induced Inhibition Of Nf-Κb/Nlrp3 Pathway, Amna Samin, Lina Tariq Al Kury, Muhammad Imran Khan, Shabir Hussain, Abdullah Alattar, Reem Alshaman, Fawad Ali Shah, Muhammad Aamir, Shupeng Li

All Works

Introduction Major depressive disorder (MDD) is a debilitating human health status characterized by mood swings and high suicidal attempts. Several studies have reported the role of neuroinflammation in MMD, yet the efficacy of natural drug substances on neuroinflammation-associated depression needs to be further investigated. The present study demonstrated the neuroprotective effects of Acetyl-L- carnitine (ALC) alone or in combination with caffeic acid phenethyl ester (CAPE) on lipopolysaccharide (LPS) induced neuro-inflammation, depression, and anxiety-like behavior. Material and methods Male Sprague Dawley (SD) rats were used to explore the relative effects of ALC and the mechanistic interplay of the peroxisome proliferator-activated receptors …

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Evaluating A Test For Shedding Propensity Using Tape Lifts From Different Skin Locations, Xiao M. Chen Dec 2021

Evaluating A Test For Shedding Propensity Using Tape Lifts From Different Skin Locations, Xiao M. Chen

Student Theses

The shedding propensity of a person can assist data interpretation in casework when assessing the possibility of passive transfer for DNA analysis. Past studies on shedding propensity evaluated palmar skin (washed and unwashed) deposits. This study compared different skin locations with respect to shedding propensity, and explored the potential of tape-lifts as a skin surface collection method. Eight different skin types and samples were collected with adhesive tape disks from 28 participants over three non-consecutive days; the washed and unwashed fingers from both hands, toe, and arm, neck below ear, and nape. Samples were extracted, quantified, amplified, genotyped, and evaluated …

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A Nanoscale Shape-Discovery Framework Supporting Systematic Investigations Of Shape-Dependent Biological Effects And Immunomodulation, Wei Zhang, Hender Lopez, Luca Boselli, Paolo Bigini, André Perez-Potti, Zengchun Xie, Valentina Castagnola, Qi Cai, Camila P. Silveira, Joao M. De Araujo, Laura Talamini, Nicolò Panini, Giuseppe Ristagno, Martina B. Violatto, Stéphanie Devineau, Marco P. Monopoli, Mario Salmona, Valeria A. Giannone, Sandra Lara, Kenneth A. Dawson, Yan Yan Dec 2021

A Nanoscale Shape-Discovery Framework Supporting Systematic Investigations Of Shape-Dependent Biological Effects And Immunomodulation, Wei Zhang, Hender Lopez, Luca Boselli, Paolo Bigini, André Perez-Potti, Zengchun Xie, Valentina Castagnola, Qi Cai, Camila P. Silveira, Joao M. De Araujo, Laura Talamini, Nicolò Panini, Giuseppe Ristagno, Martina B. Violatto, Stéphanie Devineau, Marco P. Monopoli, Mario Salmona, Valeria A. Giannone, Sandra Lara, Kenneth A. Dawson, Yan Yan

Articles

Since it is now possible to make, in a controlled fashion, an almost unlimited variety of nanostructure shapes, it is of increasing interest to understand the forms of biological control that nanoscale shape allows. However, a priori rational investigation of such a vast universe of shapes appears to present intractable fundamental and practical challenges. This has limited the useful systematic investigation of their biological interactions and the development of innovative nanoscale shape-dependent therapies. Here, we introduce a concept of biologically relevant inductive nanoscale shape discovery and evaluation that is ideally suited to, and will ultimately become, a vehicle for machine …

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Compact Gas Sensor Using Silicon-On-Insulator Loop-Terminated Mach–Zehnder Interferometer, Raghi S. El Shamy, Mohamed A. Swillam, Mohamed M. Elrayany, Alaa Sultan Dec 2021

Compact Gas Sensor Using Silicon-On-Insulator Loop-Terminated Mach–Zehnder Interferometer, Raghi S. El Shamy, Mohamed A. Swillam, Mohamed M. Elrayany, Alaa Sultan

Faculty Journal Articles

In this paper, we propose a compact optical gas sensor based on the widespread silicon-on-insulator (SOI) technology, operating in the near-infrared (NIR) region around the 1.55 µm wavelength. The sensor employs a loop-terminated Mach–Zehnder interferometer (LT-MZI) with a slot waveguide and a strip waveguide for the sensing arm and the reference arm, respectively. For the same arm length, the LT-MZI can achieve a detection limit two times lower than that of the conventional MZI. Different sensor components were designed, and the optimum dimensions were obtained using finite-difference eigenmode (FDE) and finite-difference time-domain (FDTD) solvers. With a sensing arm length of …

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Supporting El Student Success During An Intervention Block, Lindsay Vecchio Dec 2021

Supporting El Student Success During An Intervention Block, Lindsay Vecchio

Journal of Practitioner Research

Learning both language and content simultaneously is a challenge for all English Learner (EL) students, especially those with very low proficiency. In public elementary school settings, classroom teachers have traditionally taught content, while EL teachers have taught language. In this practitioner inquiry project, an EL teacher explores strategies for collaborating with a mainstream classroom teacher to teach both language and content to low proficiency second grade EL students during an EL intervention block.

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Through The Looking Glass: Assessing And Enhancing The Effectiveness Of Bourdieu’S Theory Of Practice To Understand The Achievement Gap In British Columbia's Inner-City Schools, Victor Brar Dec 2021

Through The Looking Glass: Assessing And Enhancing The Effectiveness Of Bourdieu’S Theory Of Practice To Understand The Achievement Gap In British Columbia's Inner-City Schools, Victor Brar

Journal of Practitioner Research

This paper emerges from a 2016 conceptual study borne out of an ongoing practitioner inquiry in which I, as a practicing K-12 inner-city Canadian teacher, tried to understand, on a theoretical level, why the children at my inner-city school in Vancouver consistently underperform in an academic sense in spite of being provided with additional learning resources. The achievement gap that exists between British Columbia’s inner-city children and their more affluent peers cannot be adequately explained by differences in finances alone, but it has sociological roots, which I explored in this study. To understand the achievement gap, I chose to filter …

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Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part Xxvii. Lanzatus Huluul Sp. N. From Somaliland (Buthidae), František Kovařík, Graeme Lowe Dec 2021

Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part Xxvii. Lanzatus Huluul Sp. N. From Somaliland (Buthidae), František Kovařík, Graeme Lowe

Euscorpius

The rare Horn of Africa buthid genus Lanzatus Kovařík, 2001 was newly collected in Somaliland in two localities. We describe a new species Lanzatus huluul sp. n. fully illustrated with color photos showing its morphology, habitus, hemispermatophore and collection areas.

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Storytelling During Pandemics– A Focused Review, Mohamed Buheji Dec 2021

Storytelling During Pandemics– A Focused Review, Mohamed Buheji

Information Sciences Letters

Stories have shaped people life since the beginning of humanity. Telling and sharing stories during pandemics and unprecedented times is an inspiring way. In this paper, we study how storytelling could play an essential role in mitigating, and absorbing the challenges or the spillovers of the aftermath of the COVID-19 pandemic. The influence of storytelling on mental health and wellness during the pandemic is reviewed. The paper focuses on how storytelling could be optimised as an effective tool for changing attitudes and behaviours, especially during the COVID-19 pandemic, where the public is forced to change their lifestyle, over the short …

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Creativity In Packaging Design As A Competitive Promotional Tool, Dina Elkhattat, Mervat Medhat Dec 2021

Creativity In Packaging Design As A Competitive Promotional Tool, Dina Elkhattat, Mervat Medhat

Information Sciences Letters

In line with the vast technology, and challenging competition among organizations in the field of industry, recently the food companies recognized the importance of innovative Packaging design as a vital solution and a competitive element among competitors, as it should be unique, adding value to consumers, and well reflects the brand’s identity. In that context, the study of factors affecting consumer attraction and intentions and behaviors will be very beneficial for food companies that tend to produce creative packaging to enhance their brand’s positioning by attracting consumers’ attention towards their products and influence the final purchase intentions. Hence, analyzing the …

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Dynamical Analysis Of A Fractional Sirs Model On Complex Heterogeneous Networks, H. A. A. El-Saka, A. A. M. Arafa, Riyad Alshalabi, M. I. Gouda Dec 2021

Dynamical Analysis Of A Fractional Sirs Model On Complex Heterogeneous Networks, H. A. A. El-Saka, A. A. M. Arafa, Riyad Alshalabi, M. I. Gouda

Information Sciences Letters

In this paper, a fractional SIRS model on heterogeneous complex networks is introduced. The asymptotic local and global stability of equilibrium points are studied, numerical simulation is used to support our theoretical results and show the effect of fractional order q and the influence of connectivity between individuals which represented as ψ(t).

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The Effects Of Fractional Derivatives Of Bio-Heat Model In Living Tissues Using Analytical-Numerical Method, Aboelnour Abdalla, Ibrahim Abbas, Hussien Sapoor Dec 2021

The Effects Of Fractional Derivatives Of Bio-Heat Model In Living Tissues Using Analytical-Numerical Method, Aboelnour Abdalla, Ibrahim Abbas, Hussien Sapoor

Information Sciences Letters

In this article, the fractional order bioheat model of heat transfer is used to offer a new interpretation to investigate the thermal damage in living tissues under laser irradiations. The effects of thermal relaxation time and the fractional order parameter on the temperature of living tissues and the thermal damages are studied. The basic equation is formulated in the domain of Laplace transform to get the analytical solution. The numerical solution is obtained by using the implicit finite difference method (IFDM). The efficiency and accuracy of this method have been verified using numerical example. Considering the thermophysical properties of living …

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Fundamentals And Ideological Content Of The Creation Of Y.V. Goethe's "West-East Collection Of Poems", Muattar Makhsatilloevna Makhmudova Dec 2021

Fundamentals And Ideological Content Of The Creation Of Y.V. Goethe's "West-East Collection Of Poems", Muattar Makhsatilloevna Makhmudova

Scientific reports of Bukhara State University

Background. The article tells about the work of the famous German writer Johann Wolfgang Goethe and about the history of the creation of the famous "West-Eastern Divan". Methods. The famous German writer Johann Wolfgang Goethe (1749-1832) was a poet, playwright, literary critic, jurist, orientalist, historian and philosopher, painter, theater critic, naturalist, and scientist and statesman who made discoveries in biology and mineralogy. He was one of the first to use the term "world literature." His 143-volume artistic and scientific legacy includes his works such as Faust, The Sufferings of Young Werther, West-east collection of poems, Muhammad (peace and blessings of …

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Critical Skills Of Ibrahim Gafurov, Oltinoy Bekmurotovna Kurbanova Dec 2021

Critical Skills Of Ibrahim Gafurov, Oltinoy Bekmurotovna Kurbanova

Scientific reports of Bukhara State University

Background. This article is one of the least studied topics in Uzbek literature and is devoted to the study of critical skills. Theoretical views on the method and the attitude of other scholars to the subject are covered. The study is based on a number of works by literary scholar Ibrahim Gafurov. Based on the analysis, theoretical views on the poetics of the literary style were put forward. Ibrahim Gafurov's style is described and his skills are praised. Particular attention is paid to a number of elements that make up the poetics of the work. Methods. The comparative-typological method was …

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Role-Playing Lyrics In The Works Of Usman Azim, Umida Abdullayeva Dec 2021

Role-Playing Lyrics In The Works Of Usman Azim, Umida Abdullayeva

Scientific reports of Bukhara State University

Introduction. In today's new Uzbekistan, the vast opportunities created in all areas of science are making an invaluable contribution to their development. In particular, recent research in the field of literature has helped students who have read the new Uzbek literature and its theoretical updates to understand their ideological content through the analysis of poetic genres. The main part of the theory of Uzbek literature consists of lyrical, epic and dramatic works of modern modern Uzbek literature, the main theme of which is the idea of analyzing the work of art in terms of form and content. This article is …

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Theme Types Of Uzbek Folk Tales And Their Reflections In Translation, Nodir Kayumovich Ruziyev Dec 2021

Theme Types Of Uzbek Folk Tales And Their Reflections In Translation, Nodir Kayumovich Ruziyev

Scientific reports of Bukhara State University

Background. This article discusses the thematic types of Uzbek folk legends and myths and their reflection in translation. The names of the genres of myths and legends, their artistic compositional features, scientific and theoretical views on the development and evolution of the genre are described. Successes and shortcomings in the translation of myths and legends in Uzbek and English are substantiated by sufficient evidence. In myths, motifs and images interpreted on the basis of primitive religious-mythological views of ancient people, such as animistic, totemistic, shamanistic, fetishistic, magical, attract attention with their "planetary" migration. It is reported that some mythical motifs …

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Halal Restaurants And Measures To Improve Their Services In Uzbekistan, Shakhlokhon Shavkatovna Sharifova Dec 2021

Halal Restaurants And Measures To Improve Their Services In Uzbekistan, Shakhlokhon Shavkatovna Sharifova

Scientific reports of Bukhara State University

Introduction. As the Muslim travel has been increased in recent years there is a great deal of need for halal services. The most inevitable part of this is halal food and its serving. The article provides an analysis of halal tourism over the past 10 years. Despite the pandemic situation the upwarding trend in halal tourism still being continued because of foreighn and national muslim tourists. Research methods. There is used the research methodology of taking into account the expected changes in the development of halal tourism. Further the organizational patterns of serving in halal restaurants and developed the meaning …

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Universal Ideas In The Pedagogical Accounts Of Mevlana Jalaluddin Rumi, Khafayat Aliyeva Dec 2021

Universal Ideas In The Pedagogical Accounts Of Mevlana Jalaluddin Rumi, Khafayat Aliyeva

Scientific reports of Bukhara State University

Introduction. In the article, the universal glorification of pedagogical ideas in the works of prominent enlightener, pedagogue-scientist Mevlana Jalaluddin Rumi has become the object of research and analysis. It is stressed that Mevlana Jalaluddin Rumi opened a new era in the development of the history of pedagogical thought. Because Mevlana was one of the main figures of the social-pedagogical movement from the beginning of the XIII century, he seriously fought for the solution of important pedagogical issues of his time on a democratic basis. As can be seen from the article, the study of the pedagogical heritage of Mevlana Jalaluddin …

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Text Linguistics And The Problem Of The Syntax, Ramazon Radjabovich Bobokalonov, Polatshoh Ramazonovich Bobokalonov Dec 2021

Text Linguistics And The Problem Of The Syntax, Ramazon Radjabovich Bobokalonov, Polatshoh Ramazonovich Bobokalonov

Scientific reports of Bukhara State University

Introduction. The article deals with the problems of linguistic textual studies in Uzbekistan, its development and ways of solving the ongoing research work. The scientific article provides information on the work of scholars on Uzbek language synthesis. The article aims to build the knowledge, skills and competencies of researchers and masters conducting research. Uzbek linguists, following World and Russian linguistics in the field of text linguistics, are entering a new scientific stage of linguistics and text linguistics. Scientific potential is being created in the linguistics of the text. In the field of text study, special attention is paid to filling …

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The Use Of Conceptual Metaphors In Uzbek-French Texts, Gulsara Sodikovna Kurbonova, Gulasal Yusubjonovna Rofieva Dec 2021

The Use Of Conceptual Metaphors In Uzbek-French Texts, Gulsara Sodikovna Kurbonova, Gulasal Yusubjonovna Rofieva

Scientific reports of Bukhara State University

Introduction. The aim of research is to reveal national-cultural and cognitive peculiarities of translation of conceptual metaphors from Uzbek into French and develop modern principles of translation of conceptual metaphors. The object of research is the conceptual metaphors selected from the novel by Erkin Azam “Noise”, short stories “A tender soul of a shorty”, “Jumble mound”, “Where is the paradise”, “Master’s dog” and their French translations. The subject of research is the national-cultural and cognitive specificity of representation of Uzbek conceptual metaphors in translation. Research methods. The thesis uses comparative, contextual, conceptual and cognitive analysis methods. Results and discussions. The …

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Direct Nose To The Brain Nanomedicine Delivery Presents A Formidable Challenge, Robert A. Yokel Dec 2021

Direct Nose To The Brain Nanomedicine Delivery Presents A Formidable Challenge, Robert A. Yokel

Pharmaceutical Sciences Faculty Publications

This advanced review describes the anatomical and physiological barriers and mechanisms impacting nanomedicine translocation from the nasal cavity directly to the brain. There are significant physiological and anatomical differences in the nasal cavity, olfactory area, and airflow reaching the olfactory epithelium between humans and experimentally studied species that should be considered when extrapolating experimental results to humans. Mucus, transporters, and tight junction proteins present barriers to material translocation across the olfactory epithelium. Uptake of nanoparticles through the olfactory mucosa and translocation to the brain can be intracellular via cranial nerves (intraneuronal) or other cells of the olfactory epithelium, or extracellular …

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Initial Effects Of Deforestation On Herbaceous Species Composition In Grassy Woodlands Of The Northern Tablelands, Nsw Australia, Chris R. Chilcott, N. Reid, R. D. B. Whalley Dec 2021

Initial Effects Of Deforestation On Herbaceous Species Composition In Grassy Woodlands Of The Northern Tablelands, Nsw Australia, Chris R. Chilcott, N. Reid, R. D. B. Whalley

IGC Proceedings (1977-2023)

Limited information on the initial effects of clearing and thinning on herbaceous vegetation of grassy temperate eucalyptus forests exists. The aim of this investigation is to study the initial changes in species composition following clearing and thinning. A deforestation experiment was established where clearing, thinning of 50% of canopy cover and control treatments were established. In the open-forests, patterns in herbaceous species composition were strongly influenced by the presence of trees, with weeping wheat grass (Microlaena stipoides) dominant, whereas wiregrass (Aristida ramosa) dominated interspaces and canopy gaps. Immediately following clearing, significant changes in the herbaceous species …

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The Influence Of Large Animal Diversity In Grazed Ecosystems, M. G. Murray, D. R. Baird Dec 2021

The Influence Of Large Animal Diversity In Grazed Ecosystems, M. G. Murray, D. R. Baird

IGC Proceedings (1977-2023)

Field observations in the Serengeti National Park, Tanzania have revealed several modes of grazing system, including migration, sustained-yield grazing and grazing succession which contribute on the one hand to ecological separation of herbivores by habitat choice, but on the other hand to positive association of species on wet season pastures known as hot spots. Drawing from results of experimental field studies, we consider what is known about resource competition and facilitation, the two key ecological processes underlying these grazing systems, and specify the shape of the relationship between species richness and pasture height that is predicted depending on which process …

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Grassland Use And Plant Diversity In Grazed Ecosystems, V. A. Deregibus, E. J. Jacobo, O. E. Ansin Dec 2021

Grassland Use And Plant Diversity In Grazed Ecosystems, V. A. Deregibus, E. J. Jacobo, O. E. Ansin

IGC Proceedings (1977-2023)

Earth biomes are being deconstructed, through unprecedented rates of species disappearance or invasion (McCann 2000). This, added to the threat of global environmental change and changes in values of a developed society, caused that biodiversity became a topic that has captured the attention of the public as well as the scientific community. Such concern on the importance of biodiversity is based in four basic reasons clearly described by West (1993): (i) morality, that aims for the protection of species; (ii) aesthetics, as people desire to see and appreciate the living parts of nature; (iii) economics and, (iv) the array …

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The Effect Of Phosphorus Fertilization On Botanical Composition And Production In Temperate Pastures In Argentina, E. J. Jacobo, A. M. Rodríguez, M. F. Garbulsky, P. Scardoni, V. A. Deregibus Dec 2021

The Effect Of Phosphorus Fertilization On Botanical Composition And Production In Temperate Pastures In Argentina, E. J. Jacobo, A. M. Rodríguez, M. F. Garbulsky, P. Scardoni, V. A. Deregibus

IGC Proceedings (1977-2023)

The objective of this paper is to evaluate floristic changes and above-ground primary production in native grasslands and old pastures dominated by tall fescue (Festuca arundinacea) that were fertilized with different levels of phosphorus. For this, aerial biomass was sequentially harvested from November 1998 to October 1999. Above-ground production of native grassland more than doubled (from 3000 to 7300 kg DM/ha) with the highest level of P through the increment of three naturalized species: the winter annual ryegrass (Lolium multiflorum) and two legumes: white clover (Trifolium repens) and lotus (Lotus corniculatus). In …

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Vegetation Changes In Southeast Australian Temperate Grasslands, D. L. Garden, T. P. Bolger Dec 2021

Vegetation Changes In Southeast Australian Temperate Grasslands, D. L. Garden, T. P. Bolger

IGC Proceedings (1977-2023)

In temperate areas of southeast Australia, the combined effects of tree clearing, grazing, application of fertilizer and the introduction of exotic species have modified the original grasslands. This paper describes these changes and attempts to explain them in terms of ecological principles derived from North American grasslands. Stability of the original grasslands appears to have been due to the lack of disturbance and the slow rates of nitrogen (N) cycling within them. Increased N cycling after disturbance has allowed invasion of species better adapted to higher N status, particularly exotic annual grasses and weeds. The present composition of grasslands, in …

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Soil Biodiversity, Root Herbivory And Carbon And Nitrogen Cycling In Grassland Soils, R. Cook, L. A. Dawson, A. C. Gange, S. J. Grayston, P. J. Murray, A. M. Treonis Dec 2021

Soil Biodiversity, Root Herbivory And Carbon And Nitrogen Cycling In Grassland Soils, R. Cook, L. A. Dawson, A. C. Gange, S. J. Grayston, P. J. Murray, A. M. Treonis

IGC Proceedings (1977-2023)

This paper describes research on the relationships between grassland management practices and the diversity of biological communities in soil. Observations are being made in field trials with applications of nitrogen and lime and of insecticide to an original diverse sward and to a single species grass re-seed. The treatments are designed to produce different degrees of diversity in communities of soil animals and microbes. Assessments are being made over three years of the effects on the populations, activity and diversity of root-feeding animals, arbuscular mycorrhizal fungi, soil bacteria, fungi and micro fauna, including nonplant feeding nematodes. Associated laboratory experiments assess …

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Novel Biomarkers Of Ciliary Extracellular Vesicles Interact With Ciliopathy And Alzheimer’S Associated Proteins, Ashraf M. Mohieldin, Amal Alachkar, John R. Yates Iii, Surya M. Nauli Dec 2021

Novel Biomarkers Of Ciliary Extracellular Vesicles Interact With Ciliopathy And Alzheimer’S Associated Proteins, Ashraf M. Mohieldin, Amal Alachkar, John R. Yates Iii, Surya M. Nauli

Pharmacy Faculty Articles and Research

Ciliary extracellular vesicles (ciEVs), released from primary cilia, contain functional proteins that play an important role in cilia structure and functions. We have recently shown that ciEVs and cytosolic extracellular vesicles (cyEVs) have unique and distinct biomarkers. While ciEV biomarkers have shown some interactions with known ciliary proteins, little is known about the interaction of ciEV proteins with proteins involved in ciliopathy and neurodegenerative disorders. Here, we reveal for the first time the protein-protein interaction (PPI) between the top five ciEVs biomarkers with ciliopathy and Alzheimer disease (AD) proteins. These results support the growing evidence of the critical physiological roles …

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Florida Frontiers Radio Program #449, Dr. Ben Brotemarkle, Florida Historical Society Dec 2021

Florida Frontiers Radio Program #449, Dr. Ben Brotemarkle, Florida Historical Society

Florida Frontiers Radio Transcripts

SEGMENTS | Fort Christmas | Literary Depictions of Christmas in Florida | South Florida Food Traditions

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The Energetics Of Uniquely Human Subsistence Strategies, Thomas S. Kraft, Vivek V. Venkataraman, Ian J. Wallace, Alyssa N. Crittenden, Nicholas B. Holowka, Jonathan Stieglitz, Jacob Harris, David A. Raichlen, Brian Wood, Michael Gurven, Herman Pontzer Dec 2021

The Energetics Of Uniquely Human Subsistence Strategies, Thomas S. Kraft, Vivek V. Venkataraman, Ian J. Wallace, Alyssa N. Crittenden, Nicholas B. Holowka, Jonathan Stieglitz, Jacob Harris, David A. Raichlen, Brian Wood, Michael Gurven, Herman Pontzer

Anthropology Faculty Research

The suite of derived human traits, including enlarged brains, elevated fertility rates, and long developmental periods and life spans, imposes extraordinarily high energetic costs relative to other great apes. How do human subsistence strategies accommodate our expanded energy budgets? We found that relative to other great apes, human hunter-gatherers and subsistence farmers spend more energy but less time on subsistence, acquire substantially more energy per hour, and achieve similar energy efficiencies. These findings revise our understanding of human energetic evolution by indicating that humans afford expanded energy budgets primarily by increasing rates of energy acquisition, not through energy-saving adaptations such …

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