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Articles 4021 - 4050 of 9836
Full-Text Articles in Entire DC Network
A Morphological And Hemodynamic Analysis Of Skeletal Muscle Vasculature, Stephanie Ann Wood
A Morphological And Hemodynamic Analysis Of Skeletal Muscle Vasculature, Stephanie Ann Wood
Master's Theses
The goal of this study was to develop analysis tools to assess skeletal muscle vasculature on a network level. In conjunction with this goal, this project also assessed whether the gracillis anterior muscle of a mouse was sufficiently thin to perform a comprehensive morphological analysis, and whether the data generated from these methods would yield reasonable computation of hemodynamic parameters. Horton's Law of Stream Numbers and the diameter-defined Strahler method were applied to assess the vasculature as a whole, and the results were comparable to previous work. The dimensional and branching characteristics of the network were similar to previous experiments; …
A Tutorial On The Basic Physics Of Climate Change, David W. Hafemeister, Peter V. Schwartz
A Tutorial On The Basic Physics Of Climate Change, David W. Hafemeister, Peter V. Schwartz
Physics
In this paper, we have used several basic atmospheric–physics models to show that additional carbon dioxide will warm the surface of Earth. We also show that observed solar variations cannot account for observed global temperature increase.
Annual Report Of Extramural Funding 2007-2008, Grants Development Office
Annual Report Of Extramural Funding 2007-2008, Grants Development Office
Grants Development Office Reports
This annual report covers the period from July 1, 2007 to June 30, 2008.
Odor Evaluation And Gas Emission From Manure Of Dairy Heifers Fed High/Low - Forage Quality And High/Low-Concentrate Diets, Patrick A. Topper, Robin Brandt, Arlene Adviento-Borbe, Gustavo J. Lascano, Arlyn J. Heinrichs, Eileen F. Wheeler
Odor Evaluation And Gas Emission From Manure Of Dairy Heifers Fed High/Low - Forage Quality And High/Low-Concentrate Diets, Patrick A. Topper, Robin Brandt, Arlene Adviento-Borbe, Gustavo J. Lascano, Arlyn J. Heinrichs, Eileen F. Wheeler
Dairy Science
A heifer feeding trial evaluated the impact of high/low forage quality and high/low concentrate level nutrient-balanced diets on simultaneous odor and gas emissions from the manure. Gas concentration was determined using an infrared photoacoustic analyzer over a 24-hour period using a steady-state flux chamber setup containing urine:feces as-excreted from eight individual heifers. Odorous air samples were collected from chamber headspace and evaluated by six human assessors for pleasantness, intensity and detection threshold using a forced-choice dynamic olfactometer. Ammonia emission ranged from 0.64 to 3.94 mg NH3 cm-2 d-1 across diets. Average ammonia emission from the low concentrate (80% forage) diets …
Mustang Daily, June 26, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Arch Building For Kids: What Did They Learn? What Did We Learn?, Edmond P. Saliklis
Arch Building For Kids: What Did They Learn? What Did We Learn?, Edmond P. Saliklis
Architectural Engineering
This paper will describe a teaching module that several senior architectural engineering students developed as their senior project. The teaching module targeted 5th or 6th grade students with the goal of creating an engineering outreach program that demonstrated a structural mechanics concept in a fun and interesting manner. The purpose of this paper is to describe the rationale behind the teaching module, and to document the changes we made to the module as we assessed its impact over several trial runs.
An Automatic Alogorithm For Detecting Stent Endothelialization From Volumetric Optical Coherence Tomography Datasets, Garret T. Bonnema, Kristen O'Halloran Cardinal, Stuart K. Williams, Jennifer K. Barton
An Automatic Alogorithm For Detecting Stent Endothelialization From Volumetric Optical Coherence Tomography Datasets, Garret T. Bonnema, Kristen O'Halloran Cardinal, Stuart K. Williams, Jennifer K. Barton
Biomedical Engineering
Recent research has suggested that endothelialization of vascular stents is crucial to reducing the risk of late stent thrombosis. With a resolution of approximately 10 μm, optical coherence tomography (OCT) may be an appropriate imaging modality for visualizing the vascular response to a stent and measuring the percentage of struts covered with an anti-thrombogenic cellular lining. We developed an image analysis program to locate covered and uncovered stent struts in OCT images of tissue-engineered blood vessels. The struts were found by exploiting the highly reflective and shadowing characteristics of the metallic stent material. Coverage was evaluated by comparing the luminal …
Cal Poly Animal Science Professor Appointed To National Board, Public Affairs Office
Cal Poly Animal Science Professor Appointed To National Board, Public Affairs Office
Press Releases
No abstract provided.
Two Cal Poly Faculty Members To Receive The University’S Annual Distinguished Scholarship Award, Public Affairs Office
Two Cal Poly Faculty Members To Receive The University’S Annual Distinguished Scholarship Award, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Announces Great Grads From Class Of 2008, Public Affairs Office
Cal Poly Announces Great Grads From Class Of 2008, Public Affairs Office
Press Releases
No abstract provided.
Mustang Daily, June 5, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, June 4, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Faculty Tenure & Promotion Awards Announced, Public Affairs Office
Faculty Tenure & Promotion Awards Announced, Public Affairs Office
Press Releases
No abstract provided.
Mustang Daily, June 3, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
How Do You Feed 13,000 Animals?, Teresa Mariani Hendrix
How Do You Feed 13,000 Animals?, Teresa Mariani Hendrix
Cal Poly Magazine
No abstract provided.
Cal Poly Magazine, Summer 2008
Interview With Rob Thoresen, Helen Knight
Willy And The Cyclone, B. Carter Pittman
The Effects Of Bisphosphonates On Bone Remodeling: Analysis Of Microdamage Targeting By Bmus, Bmu Velocity And Crack Surface Density, Daniel Wayne Hale
The Effects Of Bisphosphonates On Bone Remodeling: Analysis Of Microdamage Targeting By Bmus, Bmu Velocity And Crack Surface Density, Daniel Wayne Hale
Master's Theses
Studies have indicated that microdamage in the bone matrix both activates and "steers" BMUs (Basic Multicellular Units, the groups of osteoclasts and osteoblasts that resorb and form bone respectively) toward the damage in order to replace damaged bone with new, mechanically sound bone. Also, bisphosphonate drugs have been shown to greatly suppress the remodeling process and, with such effects, are commonly used in the treatment of osteoporosis. It was hypothesized that BMUs do indeed target microdamage around them and tunnel away from the dominant lines of force in bone in order to remove the damage. Additionally it was believed that …
A Cartilage Growth Mixture Model With Collagen Remodeling: Validation Protocols, Stephen M. Klisch, Anna Asanbaeva, Sevan R. Oungoulian, Koichi Masuda, Eugene J.-Ma. Thonar, Andrew Davol, Robert L. Sah
A Cartilage Growth Mixture Model With Collagen Remodeling: Validation Protocols, Stephen M. Klisch, Anna Asanbaeva, Sevan R. Oungoulian, Koichi Masuda, Eugene J.-Ma. Thonar, Andrew Davol, Robert L. Sah
Mechanical Engineering
A cartilage growth mixture (CGM) model is proposed to address limitations of a model used in a previous study. New stress constitutive equations for the solid matrix are derived and collagen (COL) remodeling is incorporated into the CGM model by allowing the intrinsic COL material constants to evolve during growth. An analytical validation protocol based on experimental data from a recent in vitro growth study is developed. Available data included measurements of tissue volume, biochemical composition, and tensile modulus for bovine calf articular cartilage (AC) explants harvested at three depths and incubated for 13 days in 20% fetal borine serum …
Techniques For Developing Large Scale Fuzzy Logic Systems, Jon C. Ervin, Sema E. Alptekin
Techniques For Developing Large Scale Fuzzy Logic Systems, Jon C. Ervin, Sema E. Alptekin
Industrial and Manufacturing Engineering
In this paper, we describe various techniques used to make Intuitionistic Fuzzy Logic Systems amenable to operating on applications with large numbers of inputs. A rule reduction technique known as Combs method is combined with an automated tuning process based on Particle Swarm Optimization. A second stage of tuning on rule weights results in improved performance and further reduction in the size of the rule-base. The entire process has been developed to operate within the Matlab software environment. The technique is tested against the Wisconsin Breast Cancer Database. The use of these tools shows great promise in significantly expanding the …
Improving Engineering Education Through Creativity, Collboration, And Context In A First Year Course, Michael Haungs, John Clements, David S. Janzen
Improving Engineering Education Through Creativity, Collboration, And Context In A First Year Course, Michael Haungs, John Clements, David S. Janzen
Computer Science and Software Engineering
Over the past few years, Computer Science and some Engineering disciplines have suffered from a decrease in student enrollment, poor retention, and low women and minority representation. We suggest three issues with first-year courses that contribute to this trend. First, students find it difficult to see how their assignments and course material relate to real-world applications. Second, students tend to perceive engineering as an individual endeavor requiring little interaction with peers. Last, early engineering assignments are often overly constrained, possibly to ease grading, allowing minimal room for student creativity. In this paper, we present a model for an introductory freshman-level …
Climate Change And The Future Of California's Endemic Flora, Scott R. Loarie, Benjamin E. Carter, Katherine Hayhoe, Sean Mcmahon, Richard Moe, Charles A. Knight, David D. Ackerly
Climate Change And The Future Of California's Endemic Flora, Scott R. Loarie, Benjamin E. Carter, Katherine Hayhoe, Sean Mcmahon, Richard Moe, Charles A. Knight, David D. Ackerly
Biological Sciences
The flora of California, a global biodiversity hotspot, includes 2387 endemic plant taxa. With anticipated climate change, we project that up to 66% will experience >80% reductions in range size within a century. These results are comparable with other studies of fewer species or just samples of a region’s endemics. Projected reductions depend on the magnitude of future emissions and on the ability of species to disperse from their current locations. California’s varied terrain could cause species to move in very different directions, breaking up present-day floras. However, our projections also identify regions where species undergoing severe range reductions may …
Design And Verification Of A Sterile Incubator Volume For Maintaining Post-Deposition Cell Viability For Cell Printing Processes, Emily Hakun
Master's Theses
The growing field of tissue engineering requires the design and verification of an environmentally-controlled sterile incubator volume. As this technology advances and the field of cell printing emerges, the need for such a volume increases. This volume shall maintain post-deposition cell viability of printed cells, by maintaining volume sterility and controlling temperature. This becomes more important as more delicate cells are used. Sterility maintenance prevents contamination of the cells, while temperature regulation maintains the optimum temperature for cell viability. Several existing incubator systems are capable of regulating environmental conditions, but none are designed to function with a moving cell deposition …
Articular Cartilage Tensile Integrity: Modulation By Matrix Depletion Is Maturation-Dependent, Anna Asanbaeva, Johnny Tam, Barbara L. Schumacher, Stephen M. Klisch, Koichi Masuda, Robert L. Sah
Articular Cartilage Tensile Integrity: Modulation By Matrix Depletion Is Maturation-Dependent, Anna Asanbaeva, Johnny Tam, Barbara L. Schumacher, Stephen M. Klisch, Koichi Masuda, Robert L. Sah
Mechanical Engineering
Articular cartilage function depends on the molecular composition and structure of its extracellular matrix (ECM). The collagen network (CN) provides cartilage with tensile integrity, but must also remodel during growth. Such remodeling may depend on matrix molecules interacting with the CN to modulate the tensile behavior of cartilage. The objective of this study was to determine the effects of increasingly selective matrix depletion on tensile properties of immature and mature articular cartilage, and thereby establish a framework for identifying molecules involved in CN remodeling. Depletion of immature cartilage with guanidine, chondroitinase ABC, chondroitinase AC, and Streptomyces hyaluronidase markedly increased tensile …
Measurement And Analysis Of Truck Transport Environment In Brazil, Giovani Otavio Rissi, Sher Paul Singh, Gary J. Burgess, Jay A. Singh
Measurement And Analysis Of Truck Transport Environment In Brazil, Giovani Otavio Rissi, Sher Paul Singh, Gary J. Burgess, Jay A. Singh
Industrial Technology and Packaging
Increasing trade in today’s global economy requires packaging to be designed to contain, protect and deliver products without damage during transportation and handling. Vibration forces that occur during transportation are one of the most significant causes of damage during shipping. The objective of this study was to quantify and analyse the vibration that occurs during truck transport in Brazil. The study was done using two types of trucks: small local trucks for local metropolitan distribution areas and larger tractor-trailers for cross-country transportation. Ten metropolitan areas in different regions of Brazil were selected for 1-day trips representing normal delivery. These trips …
Danger Is His Business, Jo Ann Lloyd
The House Of Mouse, Leah Kolt
A Friendly Sky, Scott Roark