Digital Commons Network^™

The Roles Of Ca2+ And Camp In The Nematocyst Discharge Of The Sea Anemone Tentacle, Veysel Haktan Ozacmak

Loma Linda University Electronic Theses, Dissertations & Projects

The phylum Cnidarians are aquatic animals, including jellyfish, hydra, sea anemones, and corals. They are the simplest metazoans having a nervous system and are diploblastic. Cnidarians are obligate predators that capture prey using specialized stinging cells called cnidocytes. The cnidocyte contains a nematocyst, which is a capsule containing an inverted, hollow tubule. Prey contacting the tentacle triggers the nematocyst tubule to rapidly evert; a process called discharge. The everting tubule penetrates and envenomates the prey, which is carried to the mouth by tentacle movements.

Generally both chemical and mechanical stimuli are needed to trigger discharge. The cnidocytes, in sea anemones, …

Glucocorticoid Regulation Of Insulin Like Growth Factor Binding Protein-5 Gene Transcription In Human Osteoblasts, Xiaoying Wang

Loma Linda University Electronic Theses, Dissertations & Projects

Glucocorticoids (GCs) inhibit bone formation in vivo and inhibit osteoblast proliferation and collagen synthesis in vitro. These effects may be mediated by alterations in the insulin-like growth factor (IGF) system. In the present study of normal human osteoblast-like (HOB) cells, we tested the hypothesis that dexamethasone (Dex) inhibits the expression of IGF binding protein-5 (IGFBP-5). Dex decreased IGFBP-5 mRNA levels to 54% of control after 4 hr. Dex did not modify the decay of IGFBP-5 mRNA in transcriptionally arrested osteoblast cells. Dex decreased IGFBP-5 hnRNA levels to 67% of control after 2 hr, and the activity of the human IGFBP- …

Towards Gene Therapy Of Parkinson’S Disease: Implantation Of Ruc-Gdnf Secreting Mammalian Cell Lines Into Rat Brain, Hua Liu

Loma Linda University Electronic Theses, Dissertations & Projects

The purpose of this study is to develop a new approach for monitoring the function of implanted cells by a Renilla luciferase -glial cell line derived neurotrophic factor (RUC-GDNF) fusion protein in CSF. The RUC-GDNF protein is expected to report GDNF secreted from the cell by bioluminescence through luciferase activity.

Current ex vivo gene therapy using GDNF is limited by lack of a monitoring mechanism to determine the expression of GDNF once transformed cells or vector DNA are injected into animal models. Since the therapeutic concentration of GDNF secreted into cerebrospinal fluid (CSF) by implanted cells is too low for …

Disinfection Of Dentin By Intracanal Laser Irradiation: An In Vitro Model, Silvia Cristina Mafra Cecchini

Loma Linda University Electronic Theses, Dissertations & Projects

A possible cause for root canal failure is the persistence of bacteria that have colonized dentinal tubules. To reduce this risk and, if possible, to also shorten the time consuming endodontic therapy, new equipment and materials are constantly being introduced. The aim of the present investigation was to study the effect of disinfection of dentinal tubules by intracanal laser irradiation using an in vitro model. The groups irradiated by various lasers were compared with calcium hydroxide, a material frequently used as intracanal medication between appointments. Freshly extracted, intact bovine incisors were used. The root cementum was removed and the teeth …

Hazardous Materials Database, Veena Vadiala

Graduate Theses, Dissertations, and Problem Reports (ETD)

Handling and disposal of a retired object can be a major component of its Life Cycle Cost. Often, during dismantling of a retired object many hazardous materials are released. Disposal of hazardous materials also need to comply with various federal regulations. Agencies like Occupational Safety and Health Administration (OSHA) and the Environmental Protection Agency (EPA) set these safety regulations. It is possible to apply generic exposure and release controls to protect workers from hazardous materials. For the most cost effective hazard controls it is necessary first to identify the materials and their properties of primary concern. There is a need …

Essential Oil Treatments To Control Varroa Destructor Anderson And Trueman 2000 (Formerly Varroa Jacobsoni Oudemans 1904) (Mesostigmata: Varroidae), Maria Mercedes Vargas-Sarmiento

Graduate Theses, Dissertations, and Problem Reports (ETD)

Varroa destructor Anderson and Trueman is the most serious pest of the honey bee Apis mellifera L. Varroa mites transmit several viruses, bacteria and fungi to the bees, which results in a condition called parasitic mite syndrome. There are no completely reliable treatments available to control the mite. Fifty-one beehives were artificially infested with varroa mites by using three different methods. Observations on mite population growth during three infestation attempts were made. All colonies were inspected for the presence of the small hive beetle, Aethina tumida Murray, no beetles were found. Thirty-five colonies were used to establish the efficacy of …

University Reporter - Vol. 05, No. 04 - December 2000, University Of Massachusetts Boston

1996-2009, University Reporter

No abstract provided.

The Bg News December 1, 2000, Bowling Green State University

BG News (Student Newspaper)

The BGSU campus student newspaper. December 1, 2000. Volume 86-Issue 63.

Defensible Space In East Palo Alto: University And Bay Mixed-Use Development, Thanicha Niyomwan

Master's Projects

University and Bay Mixed-use Development will be planned based mainly on the defensible space concept. The concept of a pedestrian-friendly environment would be a secondaiy concept to be applied to the development plan. Since the defensible space concept deploys residents themselves as the key players to ensure their own security, the success of the proposed development depends on residents. Only when the residents choose to adopt the intended role, the proposed development becomes defensible (Newman, 1975).

Residents’ cooperation plays a vital role not only in this proposed development but also in any neighborhood revitalization. Attempts to save a declining neighborhood …

Theory, Period Styles, And Comparative Literature As Discipline, Slobodan Sucur

CLCWeb: Comparative Literature and Culture

In his article, "Theory, Period Styles, and Comparative Literature as Discipline," Slobodan Sucur attempts to answer the following question: Can a rapprochement be brought about between various, often antagonistic, literary-theoretical views and the concept of comparative literature itself, which requires accord, consensus, agreement, etc., for it to function as a concrete body and discipline? Sucur attempts dealing with this question in three parts of the paper: First, he establishes a relationship/link between the theoretical discord of today (humanism, formalism, deconstruction, etc.) and the high theorizing which began during the Jena-Berlin phase of Romanticism (Shelling, Hegel, F. Schlegel, etc.); secondly, he …

Comparative Phenology Of Acacia Berlandieri, A. Minuata, A. Rigidula, A. Schaffneri, And Chloroleucon Ebano In The Lower Rio Grande Valley Of Texas, Melissa R. Eddy

Theses and Dissertations - UTB/UTPA

A phenological study of Acacia berlandieri, A. minuata, A. rigidula, A. schaffneri, and Chloroleucon ebano was conducted at three sites in the lower Rio Grande Valley of Texas from July 1998 to August 1999. Flowering in Acacia species occurred between January and April 1999, and was influenced by precipitation only in A. minuata . The timing of flowering appears to be influenced by the amount of time needed for fruit maturation. Precipitation, photoperiod, and temperature influenced the timing of fruiting in all species except A. berlandieri . Shoot elongation and leaf maturation in Acacia species were positively correlated with …

The Vascular Flora Of Prentice Cooper State Forest And Wildlife Management Area, Tennessee, John Trevor Beck

Masters Theses and Doctoral Dissertations

The vascular plants of Tennessee's Prentice Cooper State Forest and Wildlife Management Area were gathered from 112 collection trips made during the growing seasons of 1998 and 1999. Prentice Cooper has an interesting and a rich flora. I collected 2,313 specimens and examined 110 herbarium specimens. The flora is comprised of 139 families, 512 genera, and 1,038 species and lesser taxa. The four largest families are Asteraceae (128 species-12% of the flora), Poaceae (106 species-10%), Cyperaceae (64 species-6%), and Fabaceae (57 species-5%). These four families represent approximately 34% of the total flora. Numerous county extensions, as well as rare, threatened, …

Assessment Of Small Mammal Populations In Two Southeastern Forests Of Big Ridge In Chattanooga, Tn, Melissa R. Dickinson

Masters Theses and Doctoral Dissertations

Field research was conducted to test for effects of urbanization on small mammal abundance and diversity. Preliminary studies were preformed to test sampling techniques and acquire a sample size estimate for the primary study. Sampling sites were chosen in old growth and mixed hardwood forest areas. Six day sampling periods consisted of differing densities and setups of Sherman and pitfall traps within 0.16-ha plots. Data was not statistically analyzed due to minimal sample sizes. Comparable 1.28-ha mixed hardwood forest study sites were chosen in the Big Ridge area of Chattanooga, Tennessee for the primary study. One site had protected status, …

Ryanodine Receptor Adaptation, Michael Fill, A. Zahradníková, Carlos A. Villalba-Galea, I. Zahradník, A. L. Escobar, S. Györke

School of Pharmacy Faculty Articles

In the heart, depolarization during the action potential activates voltage-dependent Ca²⁺ channels that mediate a small, localized Ca²⁺ influx (I_Ca). This small Ca²⁺ signal activates specialized Ca²⁺ release channels, the ryanodine receptors (RyRs), in the sarcoplasmic reticulum (SR). This process is called Ca²⁺-induced Ca²⁺ release (CICR). Intuitively, the CICR process should be self-regenerating because the Ca²⁺ released from the SR should feedback and activate further SR Ca²⁺ release. However, the CICR process is precisely controlled in the heart and, consequently, some sort of negative control mechanism(s) must exist to …

Arkansas Animal Science Department Report 2000, Zelpha B. Johnson, D. Wayne Kellogg

Arkansas Agricultural Experiment Station Research Series

Animal Science is very much devoted to youth education and development. During the past year, over 20,000 youth were involved in 4-H livestock projects. Two very successful activities that took place last year were the Mid-American Grassland Evaluation Contest and Livestock Judging Camps. The Grassland Contest is designed to teach students about grassland resource management for livestock and wildlife uses. The contest was held in Cape Girardeau, Missouri. Firstplace honors in the 4-H division went to White County, and second place honors went to Van Buren County. Two Livestock Judging Camps (Fayetteville and Hope) were conducted this past year. A …

Bs News

Building Services Engineering

No abstract provided.

A Report On An Arts Administration Internship With The New Orleans Museum Of Art, Signe Cutrone

Arts Administration Master's Reports (1984-2016)

The internship program at the New Orleans Museum of Art provides graduate and undergraduate students from universities and colleges with on-site training in various museum responsibilities under the guidance and training of a senior level staff member. Internships are available in the administration, curatorial, development or educational departments of the Museum. I chose the public relations department for my internship because public relations is an art organization's essential contact with its public through communications that are not entirely based on publicity, and as such I wanted to learn more about the operation of the department. Because public relations work requires …

Microsatellite Dna Diversity And Paternity Determination In A Captive Population Of Radiated Tortoises (Geochelone Radiata), Jennifer Leigh Mook

All Theses

In the present study, five microsatellite loci are used to examine genetic diversity and determine genetic similarities among 66 radiated tortoises (Geochelone radiata) located in ten different zoos and institutions in the United States. These tortoises, representatives of one of the world's most endangered species, were originally collected in Madagascar and are being used as founders in the development of an organized breeding program, the radiated tortoise Species Survival Plan (SSP). Parentage analysis was also conducted for 13 juvenile tortoises of uncertain parentage from two institutions. Founder tortoises demonstrated high levels of genetic diversity at the five loci …

Observations On Small Mammals Recovered From Owl Pellets From Nebraska, Jeffrey J. Huebschman, Hugh H. Genoways, Patricia W. Freeman, Joseph A. Gubanyi

University of Nebraska State Museum: Mammalogy Papers

Mammalian remains from owl pellet material collected in 24 Nebraska counties were examined. A total of 1262 individual mammals was identified from all owl pellet material and included 19 identifiable species and 21 total genera. The most commonly consumed prey by owls across the state were Microtus (41% of identifiable prey material), followed by Peromyscus (18%), and Reithrodontomys (11%). Significant locality information for the northern grasshopper mouse (Onychomys leucogaster), the southern bog lemming (Synaptomys cooperi), and the meadow vole (Microtus pennsylvanicus) are reported.

Ecogeographic Aspects Of Greater Prairie-Chicken Leks In Southeastern Nebraska, Paul A. Johnsgard

Papers in Ornithology

An analysis of the distribution of 104 Greater Prairie-chicken leks in Pawnee and Johnson counties indicates that the birds favor using those mile-square sections having no more than two dwellings per section, ones that are located at least two miles from the nearest town, and at least a half-mile from the nearest lek. Relationships with the nearest water were not clear, but most leks were located at least a half-mile from it, perhaps reflecting a general avoidance of heavy cover during the display season.

Rift Valley Fever, Sherine Shawky

Saudi Medical Journal

Rift Valley fever is a viral disease that affects domestic animals and humans. In humans, Rift Valley fever causes a flu-like disease but occasionally leads to high morbidity and mortality. The disease is generally known in the African continent. However, cases started to appear in Saudi Arabia and Yemen. The objective of this review is to give a general briefing about the epidemiology, ecology and management of the disease.

Antibiotic Resistance. An Impending Crisis, Manuel W. Mah, Ziad A. Memish

Saudi Medical Journal

The global emergence of antimicrobial resistance has become a pre-eminent concern in medicine and public health. Antimicrobial resistance is of particular concern because the problem is widespread, the causative factors are uncontrolled, and national strategies to address the problem are lacking. The persisting burden of infectious diseases makes elimination of antibiotic use unethical, but dramatic overuse and misuse of antimicrobial agents around the world must be reduced to extend the useful lifetimes of these drugs. Population genetic models suggest that resistance emerges rapidly under the selective pressure of antibiotics, but decays slowly once that pressure is removed. Hence, measures to …

Ornithological Literature, Robert C. Beason

United States Department of Agriculture Wildlife Services: Staff Publications

BABY BIRD PORTRAITS BY GEORGE MIKSCH SUTTON.

COLLINS ILLUSTRATED CHECKLIST: BIRDS OF SOUTHERN AFRICA.

BIRDS OF AFRICA: FROM SEABIRDS TO SEED-EATERS. By Chris and Tilde Stuart.

HARMONY AND CONFLICT IN THE LIVING WORLD. By Alexander F. Skutch.

HOPE IS THE THING WITH FEATHERS. By Christopher Cokinos.

STURKIE’S AVIAN PHYSIOLOGY. Edited by G. Causey Whittow.

STARLINGS AND MYNAS. By Chris Feare and Adrian Craig.

BIRDING IN THE AMERICAN WEST. By Kevin J. Zimmer.

TAKING WING: ARCHAEOPTERYX AND THE EVOLUTION OF BIRD FLIGHT. By Pat Shipman.

Biomedical Research Leaders: Report On Needs, Opportunities, Difficulties, Education And Training, And Evaluation, Samuel H. Wilson, Deborah Brown, Jay Moskowitz, Dan Hurley, David Brown, David Brown, Byron J. Bailey, Michael Mcclain, Marilyn Misenhimer, Judith Buckalew, Thomas Burks

Faculty Publications

The National Association of Physicians for the Environment (NAPE) has assumed a leadership role in protecting environmental health in recent years. The Committee of Biomedical Research Leaders was convened at the recent NAPE Leadership Conference: Biomedical Research and the Environment held on 1–2 November 1999, at the National Institutes of Health, Bethesda, Maryland. This report summarizes the discussion of the committee and its recommendations. The charge to the committee was to raise and address issues that will promote and sustain environmental health, safety, and energy efficiency within the biomedical community. Leaders from every important research sector (industry laboratories, academic health …

University As Church: Fides Et Ratio As A Source For Ecclesiology, M. J. Iozzio

Journal of Catholic Education

John Paul II’s Fides et Ratio has taken a back seat in scholarly literature due to the attention given the juridical norms surrounding Ex Corde Ecclesiae. This article dissects the message of Fides et Ratio, calling for a new relationship between the disciplines of theology and philosophy. Collegiality is discussed not as a characteristic of persons but as the quality that should animate university departments in order to sustain cross-disciplinary and interdisciplinary pursuits. The article concludes by articulating a functional ecclesiology: university as church.

Teisho Of A Tree In Light: A Collection Of Poems, Samuel Arizpe

Theses and Dissertations - UTB/UTPA

No abstract provided.

Puppies Antibody Titre Response To Canine Distemper Virus Before And After Vaccination With A Cdv-Combined Vaccines, Woraporn Sukhumavasi, Boonlert Leephong, Silasak Kaewmaneerat, Suwit Gumtrontip, Monkon Trisiriroj, Pravina Kitikoon, Sumittra Watanodorn, Kanisak Oraveerakul

The Thai Journal of Veterinary Medicine

Puppies antibody titer response to Canine Distemper virus (CDV) before and after vaccination with a CDV-combined vaccine was studied using a serum neutralization test (SN). A total of 201 samples were obtained from puppies at the Small Animal Hospital, Faculty of Veterinary Science, Chulalongkorn University. The result showed that 100%(82/82) of the puppies, before vaccination, had no detectable SN titre (CDV SN-titer <2). Puppies 14 days after the first and second vaccination had a log2 (geometric mean titer, GMT) of 5.2 and 7.8. A group of 20 puppies in which the antibody response was followed after vaccination for a period of time showed the comparable results (log2 [GMT] = 5.3 and 8.5, respectively). There was no difference in the CDV SN-titers among puppies of different ages at vaccination, nor those with a vaccination history for their mothers (p>0.05).

Impact Assessment And Participant Profiles Of Extension's Education Programs For Agricultural Chemical/Seed Retailers And Crop Advisors, Michael A. Schmitt, Beverly R. Durgan, Sarah M. Iverson

Journal of Extension

Developing and maintaining ag education programs for agricultural product retailers and service providers can be an important niche for university Extension programs. Extension programs at the University of Minnesota have targeted this audience for several years and conducted a survey to learn about this audience and Extension's impact. Results from this specific audience indicate that Extension programs have positive agronomic and environmental impact, but that all programming issues are not superior to programs offered by other organizations. Respondents indicated that their attendance was determined based on topics and speakers, whereas specific sponsor and cost of the program were the lowest …

The Value Of A Toolkit, Martha C. Monroe

Journal of Extension

Toolkits are collections of flexible and adaptable educational program resources that target one issue or one audience. This article presents tips for creating a toolkit and an example budget for constructing a set of kits.

Alternative Solutions For The Use Of Outdated Computer Hardware, Benjamin Erickson

Theses and Dissertations

No abstract provided.