Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

Discipline
Institution
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 806431 - 806460 of 5170754

Full-Text Articles in Entire DC Network

Assessment Of Visual Field Performance Asymmetries While Utilizing Aircraft Attitude Symbology, George A. Reis Dec 2021

Assessment Of Visual Field Performance Asymmetries While Utilizing Aircraft Attitude Symbology, George A. Reis

Theses and Dissertations

Two experiments were conducted to examine visual performance asymmetries when perceiving complex, meaningful visual stimuli, such as the Arc Segment Attitude Reference (ASAR). The ASAR symbology represents an aircraft’s attitude. Experiment 1 examined participants’ performance while recalling and reporting various attitudes of ASAR symbology and a Gabor patch, which were briefly presented in the peripheral visual field. Performance was assessed for coordinate and categorical judgments at various display locations. The results were consistent with the horizontal-vertical anisotropy literature, which implies that performance would be better for stimuli placed on the horizontal meridian as compared to stimuli placed on the vertical …

Go to article

Meta-Analysis Of Performance Characteristics Of Modern Database Schemas, Carter Grove Dec 2021

Meta-Analysis Of Performance Characteristics Of Modern Database Schemas, Carter Grove

Theses and Dissertations

Industry and academia alike are more commonly using databases as solutions to advanced and complex problems. Unfortunately, not all database schemas are created equal and can yield different advantages in different areas. To try to understand what database schema might be best suited for a user’s needs, we sought out to distinguish how databases are measured against each other, what their performance characteristics are, and what advantages each type of database inherently possesses. To allow for the ingestion of data across the five different categories of database schemas, we used a met-analysis of past literature and aggregated the data to …

Go to article

The Effect Of Information Acquisition Automation And Workspace Design On Human Pattern Recognition For Information Fusion, Kellie L. Turner Dec 2021

The Effect Of Information Acquisition Automation And Workspace Design On Human Pattern Recognition For Information Fusion, Kellie L. Turner

Theses and Dissertations

Automation employed in information fusion systems is designed to help humans combine information derived from multiple sources to form a cohesive assessment of the situation. Research using the Levels of Automation model (Parasuraman, Wickens, and Sheridan, 2000) have produced conflicting results, which Patterson (2017) posited was because it focused solely on analytical processing while neglecting the effects of intuitive cognition. The present study examined how information acquisition automation affects the human’s ability to detect patterns in data needed to reach higher levels of information fusion. Results showed that when information acquisition was performed through manual operations, pattern recognition performance was …

Go to article

The Effect Of Shot Dependency On Composite Materials Subject To Ballistic Testing, Clayton C. Hankins Dec 2021

The Effect Of Shot Dependency On Composite Materials Subject To Ballistic Testing, Clayton C. Hankins

Theses and Dissertations

Ballistic analysis was performed on four common composite armor materials: 3k standard modulus plain weave carbon fiber, 8HS satin weave S-glass fiber, plain weave Kevlar® KM2 600 Denier fiber, and Spectra Shield® 4232 ultra-high molecular weight polyethylene to determine shot dependency based upon shot-to-shot impact distance, degree of penetration from the initial impacts, and the delamination effects from the initial impact. The primary measure of ballistic performance was the projectile velocity which represents a 50% probability of penetration, V50. This velocity was determined using a three-phase optimal design test method with an average of twelve shots per test. …

Go to article

Creep Behavior And Deformation Mechanisms Of Spark Plasma Sintered Oxide Ceramics For Aerospace Systems At 1300˚C - 1400˚C, David D. Swanson Dec 2021

Creep Behavior And Deformation Mechanisms Of Spark Plasma Sintered Oxide Ceramics For Aerospace Systems At 1300˚C - 1400˚C, David D. Swanson

Theses and Dissertations

The mechanical behavior of YAG and LuAG was investigated at elevated temperatures. The specific materials investigated in this work include high-purity, polycrystalline YAG, high-purity, polycrystalline LuAG, and two doped variants of YAG: 2at% Yb-doped, polycrystalline YAG and 2at% Er-doped, polycrystalline YAG. Several billets of each material were prepared and processed by means of spark plasma sintering (SPS). Many different sintering parameters were utilized in order to obtain materials with various physical properties and to identify the effects of sintering parameters on the average grain size of the resulting materials. The compressive creep behavior of these materials was investigated at 1300°C …

Go to article

Injection Studies On A Small-Scale Rotating Detonation Engine With Improved Flow Control, Jonathan J. Wyatt Dec 2021

Injection Studies On A Small-Scale Rotating Detonation Engine With Improved Flow Control, Jonathan J. Wyatt

Theses and Dissertations

The Rotating Detonation Engine (RDE) has gained increasing attention in recent years for its potential advantages over typical deflagration combustion. A Micro-RDE design with an outer diameter of 28mm operating on Nitrous Oxide and Ethylene was recently developed, which stretched the limits of small-scale detonation engines. The testing on this rig has shown a stable one wave mode detonation with frequencies reaching 16.8 kHz. Key parameters that influence the detonation wave mode are cell size, fill height, and wave speed, which are heavily influence d by injection schemes. Previous testing utilized a partially premixed jets in crossflow (JIC) injection scheme, …

Go to article

Information Literacy For Global Inclusion: Designing An Annotated Bibliography For Global Search And Selection, Pamela A. Espinosa De Los Monteros, Elizabeth L. Black Dec 2021

Information Literacy For Global Inclusion: Designing An Annotated Bibliography For Global Search And Selection, Pamela A. Espinosa De Los Monteros, Elizabeth L. Black

Communications in Information Literacy

The COVID-19 pandemic has reinforced the notion that our world is global and interdependent. Despite the ever-increasing connection of global with local, there continues to be formidable barriers in accessing information produced in different international contexts and languages. This Innovative Practices article details the redesign of an annotated bibliography assignment in an international studies course to support the inclusion of global perspectives into the information practices of undergraduate students. The redesign embedded explicit information literacy dispositions and global citizenship education competencies through the search and selection of global information sources. The authors discuss the instructional elements used, student outcomes, and …

Go to article

Remote Reference Consultations Are Here To Stay, Emily Reed Dec 2021

Remote Reference Consultations Are Here To Stay, Emily Reed

Communications in Information Literacy

Remote reference consultations have considerably increased due to the need to provide remote services during the COVID-19 pandemic. Conducting reference consultations via videoconferencing not only offers many benefits to student researchers it also presents an opportunity for librarians to embrace a learner-centered teaching mindset when approaching remote consultations by developing consultation learning goals in alignment with the Framework for Information Literacy for Higher Education. Designing consultations to be learner-centered yields benefits for students such as the student actively practicing their own searches as well as more thorough source evaluation. Additionally, videoconferencing technology allows for a more seamless information sharing …

Go to article

A Perfect Meal, Stewart Brower Dec 2021

A Perfect Meal, Stewart Brower

Communications in Information Literacy

No abstract provided.

Go to article

Beam Me Up: Teaching Rhetorical Methods For Source Use And Synthesis, Ashley Roach-Freiman Dec 2021

Beam Me Up: Teaching Rhetorical Methods For Source Use And Synthesis, Ashley Roach-Freiman

Communications in Information Literacy

BEAM is a schema for categorizing the rhetorical positions of authors according to the author’s intention or purpose of the information. The author critiques common methods of teaching source evaluation and proposes that instruction librarians teach BEAM to students who may struggle using a source once they have located it. A lesson plan is included as supplemental materials.

Go to article

The Preconstruction Of Foundation For A Greenhouse, Alla I. Hashim Dec 2021

The Preconstruction Of Foundation For A Greenhouse, Alla I. Hashim

Construction Management

This project outlines the preconstruction process for building a concrete base for a prefabricated greenhouse unit. This project was initiated by the Cal Poly Garden Club so they could plan for the installation of a greenhouse at the Student Experimental Farm on Cal Poly’s campus. The members of the club currently share a greenhouse with another Cal Poly Club which restricts their ability to use the greenhouse freely. The initial goal of the project was to request a permit, however, that will be postponed until the specific location is determined. This project still provides the necessary elements for requesting a …

Go to article

Hybrid: The Future Of Construction Meetings In The Digital Age, Nicholas G. Orozco Dec 2021

Hybrid: The Future Of Construction Meetings In The Digital Age, Nicholas G. Orozco

Construction Management

Over the last few years, many construction companies have had to upheave traditional methods of construction meetings to adapt to rapidly changing COVID-19 safety and regulation protocols. For many, this has meant taking common in-person meetings (OAC, pre-construction, and design) and shifting them virtual. As companies continue to move forward in a post-pandemic climate, the question of whether they will continue with virtual meetings or revert to in-person meetings still lingers in the air. To get a better read on the future of construction meetings post-pandemic, a survey was sent to determine what most people prefer. A total of 21 …

Go to article

Forecasting Technology Trends Through The Gap Between Science And Technology: The Ase Of Software As An E-Commerce Service, Tugrul Daim, Esraa Bukhari, Dana Bakry, James Vanhuis, Haydar Yalcin, Xiaoli Wang Dec 2021

Forecasting Technology Trends Through The Gap Between Science And Technology: The Ase Of Software As An E-Commerce Service, Tugrul Daim, Esraa Bukhari, Dana Bakry, James Vanhuis, Haydar Yalcin, Xiaoli Wang

Engineering and Technology Management Faculty Publications and Presentations

Identifying technology trends can be a key success factor for companies to be competitive and take advantage of technological trends before they occur. The companies always work to plan for future products and services. For that, it is important to turn to methods that are used for technology forecasting. These tools help the companies to define potential markets for innovative new products and services. This paper uses text mining techniques along with expert judgment to detect and analyze the near-term technology evolution trends in a Software as a Service (SaaS) case study. The longer-term technology development trend in this case …

Go to article

A Design Build Company’S Pain Points For Field Staff Working Outside Of A Company’S Home Area, Mason Barber Dec 2021

A Design Build Company’S Pain Points For Field Staff Working Outside Of A Company’S Home Area, Mason Barber

Construction Management

Design-Build is the project-delivery system of the future but is not without pain points. The Design-Build system is an efficient form of project delivery that has a strong focus on relationships and can begin the construction phase while the design phase is still active. This study aims to identify and analyze the additional challenges or pain points that arise when Design-Build construction is taking place in an unfamiliar location and distant from the company office. The pain points are identified with field staff feedback through the form of survey responses. This study uses The Neenan Company as an example because …

Go to article

Protecting The Caed Shop Equipment Yard, Chloe K. Stevens Dec 2021

Protecting The Caed Shop Equipment Yard, Chloe K. Stevens

Construction Management

Anytime a construction project is considered, there is a lengthy process that happens before breaking ground. It is important to consider the environment around the project, the intended purpose and use of the space, and the materials, time, and budget needed to develop it. If you do not take these things into consideration correctly, it will negatively impact the functionality and the efficiency of both the use and the construction process. This project consists of creating a pre-construction plan for building out a weather protective and space efficient enclosure at the College of Architectural and Environmental Design Shop Yard. The …

Go to article

Reimagining The Construction Vest Through The Facilitation Of A Hackathon, Cole Bernabei Dec 2021

Reimagining The Construction Vest Through The Facilitation Of A Hackathon, Cole Bernabei

Construction Management

This paper outlines the organizational process prior to hosting a Hackathon event in the upcoming year. When the event happens, it will be held in the Simpson Strong-Tie Building on California Polytechnic State University’s Campus. Data from a previous study shows that many individuals feel the current construction vest is flawed; the fit as currently designed is unfit for women. To resolve this, this paper will identify how a Hackathon can help produce a new prototype for the standard construction vest, while also highlighting the steps taken to develop a sound logistics plan and a financial breakdown for the event. …

Go to article

Attractive Features For San Luis Obispo's Collegiate Rental Market, Ava Bednarek Dec 2021

Attractive Features For San Luis Obispo's Collegiate Rental Market, Ava Bednarek

Construction Management

The purpose of this study is to analyze what college students would like to see in their rental units and would potentially pay more for if they had the option. It attempts to identify key features that would make valuable investments for rental unit owners. Data collection consisted of an anonymous online survey. Student respondents in the construction management major at California Polytechnic State University were asked questions regarding their current rental housing unit conditions and monthly rental costs. In addition, respondents were asked to further analyze the importance of a set list of features that could be added to …

Go to article

Summer Construction Bootcamp Building Activities, Ashley Leeann Isla Dec 2021

Summer Construction Bootcamp Building Activities, Ashley Leeann Isla

Construction Management

This paper outlines the trade-specific building activities that will take place at Cal Poly’s Summer Construction Bootcamp in Summer, 2022. The four construction trades that will be highlighted at the camp are concrete, carpentry, sheet metal, and plumbing. During each day, campers will build a small project that aligns with each highlighted construction trade. During the concrete day, campers will create stepping stones and perform a cylinder break test; during carpentry, campers will compete in a wall framing exercise; for sheet metal, campers will construct sheet metal roses; and for plumbing, they will make copper pipe “CPs.” This paper describes …

Go to article

Modular Interior Partitions In Commercial Housing: A Case Study, Adam David Meleo Dec 2021

Modular Interior Partitions In Commercial Housing: A Case Study, Adam David Meleo

Construction Management

The ability to modify an interior space with ease and reasonable cost is beneficial to designers, owners, and end-users. Modular interiors are not a new concept. Modular interior partitions can come in the form of Japanese Shoji screens, as well as folding walls that would be found in a convention center. While not new in concept, the market for products that allow partitioning an interior space with ease appears to be growing with the introduction of innovative products and solutions. This paper will focus on two student housing projects in San Luis Obispo, California, with regards to their design and …

Go to article

Analysis Of Self-Consolidating Concrete In Architectural Shear Wall Applications: Case Study, Peter Finocchio Dec 2021

Analysis Of Self-Consolidating Concrete In Architectural Shear Wall Applications: Case Study, Peter Finocchio

Construction Management

Architectural concrete surfaces have always been a point of focus for concrete contractors, architects, and owners, especially when consolidation poses risks due to a high density of reinforcement. Contractors have begun using self-consolidating concrete (SCC) in exposed vertical applications to combat the risk of poor consolidation. This paper investigates the characteristics of SCC and evaluates a case study of a recent project that was completed on the Central Coast of California. The study examines the cost variance between using SCC mix and a standard mix in architectural shear walls. The analysis is done by evaluating a multi-story Type 1A structure …

Go to article

Òpera, Diversitat, Inclusió: Una Reflexió A Partir D'Una Estrena A Nova York, Antoni Pizà Dec 2021

Òpera, Diversitat, Inclusió: Una Reflexió A Partir D'Una Estrena A Nova York, Antoni Pizà

Publications and Research

La inauguració de la temporada d’òpera a qualsevol ciutat important sol ser un gran esdeveniment i el Metropolitan Opera de Nova York (MET) no és cap excepció. És, lògicament, una nit de gala i tots els rituals de le grande monde es despleguen amb rigor litúrgic. Hi ha autoritats polítiques, naturalment, però sobretot lluminàries del món de les altes finances, la cultura i la ciència. Hi ha, també, sectors de la societat que no s’ho voldrien perdre per res del món: un petit univers d’estudiants de música tan ambiciosos com pobres i alguns grups com, el col·lectiu LGBTI+, molt discrets …

Go to article

A Safety Factor Approach To Designing Urban Infrastructure For Dynamic Conditions, Sanjib Sharma, Ben Seiyon Lee, Robert E. Nicholas, Klaus Keller Dec 2021

A Safety Factor Approach To Designing Urban Infrastructure For Dynamic Conditions, Sanjib Sharma, Ben Seiyon Lee, Robert E. Nicholas, Klaus Keller

Dartmouth Scholarship

Current approaches to design flood-sensitive infrastructure typically assume a stationary rainfall distribution and neglect many uncertainties. These assumptions are inconsistent with observations that suggest intensifying extreme precipitation events and the uncertainties surrounding projections of the coupled natural-human systems. Here we demonstrate a safety factor approach to designing urban infrastructure in a changing climate. Our results show that assuming climate stationarity and neglecting deep uncertainties can drastically underestimate flood risks and lead to poor infrastructure design choices. We find that climate uncertainty dominates the socioeconomic and engineering uncertainties that impact the hydraulic reliability in stormwater drainage systems. We quantify the upfront …

Go to article

Γδ T Cell Ifnγ Production Is Directly Subverted By Yersinia Pseudotuberculosis Outer Protein Yopj In Mice And Humans, Timothy H. Chu, Camille Khairallah, Jason Shieh, Rhea Cho, Zhijuan Qiu, Yue Zhang, Onur Eskiocak, David G. Thanassi, Mark H. Kaplan, Semir Beyaz, Vincent W. Yang, James B. Bliska, Brian S. Sheridan Dec 2021

Γδ T Cell Ifnγ Production Is Directly Subverted By Yersinia Pseudotuberculosis Outer Protein Yopj In Mice And Humans, Timothy H. Chu, Camille Khairallah, Jason Shieh, Rhea Cho, Zhijuan Qiu, Yue Zhang, Onur Eskiocak, David G. Thanassi, Mark H. Kaplan, Semir Beyaz, Vincent W. Yang, James B. Bliska, Brian S. Sheridan

Dartmouth Scholarship

Yersinia pseudotuberculosis is a foodborne pathogen that subverts immune function by translocation of Yersinia outer protein (Yop) effectors into host cells. As adaptive γδ T cells protect the intestinal mucosa from pathogen invasion, we assessed whether Y. pseudotuberculosis subverts these cells in mice and humans. Tracking Yop translocation revealed that the preferential delivery of Yop effectors directly into murine Vγ4 and human Vδ2+ T cells inhibited anti-microbial IFNγ production. Subversion was mediated by the adhesin YadA, injectisome component YopB, and translocated YopJ effector. A broad anti-pathogen gene signature and STAT4 phosphorylation levels were inhibited by translocated YopJ. Thus, Y. pseudotuberculosis …

Go to article

Associations Between Postpartum Depression And Assistance With Household Tasks And Childcare During The Covid-19 Pandemic: Evidence From American Mothers, Theresa E. Gildner, Glorieuse Uwizeye, Rebecca L. Milner, Grace C. Alston, Zaneta M. Thayer Dec 2021

Associations Between Postpartum Depression And Assistance With Household Tasks And Childcare During The Covid-19 Pandemic: Evidence From American Mothers, Theresa E. Gildner, Glorieuse Uwizeye, Rebecca L. Milner, Grace C. Alston, Zaneta M. Thayer

Dartmouth Scholarship

Background: The early postpartum period is recognized cross-culturally as being important for recovery, with new parents receiving increased levels of community support. However, COVID-19-related lockdown measures may have disrupted these support systems, with possible implications for mental health. Here, we use a cross-sectional analysis among individuals who gave birth at different stages of the pandemic to test (i) if instrumental support access in the form of help with household tasks, newborn care, and care for older children has varied temporally across the pandemic, and (ii) whether access to these forms of instrumental support is associated with lower postpartum depression scores. …

Go to article

Integrating Satellite, Uav, And Ground-Based Remote Sensing In Archaeology: An Exploration Of Pre-Modern Land Use In Northeastern Iraq, Elise Jakoby Laugier, Jesse Casana Dec 2021

Integrating Satellite, Uav, And Ground-Based Remote Sensing In Archaeology: An Exploration Of Pre-Modern Land Use In Northeastern Iraq, Elise Jakoby Laugier, Jesse Casana

Dartmouth Scholarship

Satellite remote sensing is well demonstrated to be a powerful tool for investigating ancient land use in Southwest Asia. However, few regional studies have systematically integrated satellite-based observations with more intensive remote sensing technologies, such as drone-deployed multispectral sensors and ground-based geophysics, to explore off-site areas. Here, we integrate remote sensing data from a variety of sources and scales including historic aerial photographs, modern satellite imagery, drone-deployed sensors, and ground-based geophysics to explore pre-modern land use along the Upper Diyala/Sirwan River in the Kurdistan Region of Iraq. Our analysis reveals an incredible diversity of land use features, including canals, qanats, …

Go to article

Maternal Depression Trajectories And Child Bmi In A Multi-Ethnic Sample: A Latent Growth Modeling Analysis, Charlotte V. Farewell, Ryley Donohoe, Zaneta Thayer, James Paulson, Jacinda Nicklas, Caroline Walker, Karen Waldie, Jenn A. Leiferman Dec 2021

Maternal Depression Trajectories And Child Bmi In A Multi-Ethnic Sample: A Latent Growth Modeling Analysis, Charlotte V. Farewell, Ryley Donohoe, Zaneta Thayer, James Paulson, Jacinda Nicklas, Caroline Walker, Karen Waldie, Jenn A. Leiferman

Dartmouth Scholarship

Background: Perinatal (antenatal and postpartum) depression impacts approximately 12% of mothers. Perinatal depression can impact everyday functioning for mothers, and the relationship with, and development of, their children. The purpose of this study was to investigate depression trajectories from the antenatal period through 54-months postpartum and associations with child body mass index at 54-months postpartum. Methods: This study applied latent growth modeling to the Growing Up in New Zealand study, which is a longitudinal pregnancy cohort study that provides nationally representative-level data, to investigate associations between depression at three time points (antenatal, 9-months postpartum, 54-months postpartum) and child body mass …

Go to article

Ct For Estimating Adequacy Of Lymph Node Dissection In Patients With Squamous Cell Carcinoma Of The Head And Neck, Christiaan A. Rees, Joshua H. Litchman, Xiaotian Wu, Mariah M. Servos, Darcy A. Kerr, Ryan J. Halter, David A. Pastel, Joseph A. Paydarfar Dec 2021

Ct For Estimating Adequacy Of Lymph Node Dissection In Patients With Squamous Cell Carcinoma Of The Head And Neck, Christiaan A. Rees, Joshua H. Litchman, Xiaotian Wu, Mariah M. Servos, Darcy A. Kerr, Ryan J. Halter, David A. Pastel, Joseph A. Paydarfar

Dartmouth Scholarship

Background: Indices obtained from lymph node dissection specimens, specifically lymph node yield (LNY) and lymph node ratio (LNR), have prognostic significance in the setting of head and neck squamous cell carcinoma (HNSCCa). However, there are currently no validated tools to estimate adequacy of planned lymph node dissection using preoperative data. The present study sought to evaluate CT-derived estimates of lymphatic tissue volumes as a preoperative tool to guide cervical node dissection. Methods: Fifteen cervical lymph node dissections were performed in 14 subjects with HNSCCa. Preoperative CT-derived estimates of lymphatic tissue volumes were compared with gross pathology tissue volume estimates and …

Go to article

A Distributed Fmri-Based Signature For The Subjective Experience Of Fear, Feng Zhou, Weihua Zhao, Ziyu Qi, Yayuan Geng, Shuxia Yao, Keith M. Kendrick, Tor D. Wager, Benjamin Becker Dec 2021

A Distributed Fmri-Based Signature For The Subjective Experience Of Fear, Feng Zhou, Weihua Zhao, Ziyu Qi, Yayuan Geng, Shuxia Yao, Keith M. Kendrick, Tor D. Wager, Benjamin Becker

Dartmouth Scholarship

The specific neural systems underlying the subjective feeling of fear are debated in affective neuroscience. Here, we combine functional MRI with machine learning to identify and evaluate a sensitive and generalizable neural signature predictive of the momentary self-reported subjective fear experience across discovery (n = 67), validation (n = 20) and generalization (n = 31) cohorts. We systematically demonstrate that accurate fear prediction crucially requires distributed brain systems, with important contributions from cortical (e.g., prefrontal, midcingulate and insular cortices) and subcortical (e.g., thalamus, periaqueductal gray, basal forebrain and amygdala) regions. We further demonstrate that the neural representation of subjective fear …

Go to article

Spectral Analysis Of Climate Dynamics With Operator-Theoretic Approaches, Gary Froyland, Dimitrios Giannakis, Benjamin R. Lintner, Maxwell Pike, Joanna Slawinska Dec 2021

Spectral Analysis Of Climate Dynamics With Operator-Theoretic Approaches, Gary Froyland, Dimitrios Giannakis, Benjamin R. Lintner, Maxwell Pike, Joanna Slawinska

Dartmouth Scholarship

The Earth’s climate system is a classical example of a multiscale, multiphysics dynamical system with an extremely large number of active degrees of freedom, exhibiting variability on scales ranging from micrometers and seconds in cloud microphysics, to thousands of kilometers and centuries in ocean dynamics. Yet, despite this dynamical complexity, climate dynamics is known to exhibit coherent modes of variability. A primary example is the El Niño Southern Oscillation (ENSO), the dominant mode of interannual (3–5 yr) variability in the climate system. The objective and robust characterization of this and other important phenomena presents a long-standing challenge in Earth system …

Go to article

Color Cherenkov Imaging Of Clinical Radiation Therapy, Daniel A. Alexander, Anthony Nomezine, Lesley A. Jarvis, David J. Gladstone, Brian W. Pogue, Petr Bruza Dec 2021

Color Cherenkov Imaging Of Clinical Radiation Therapy, Daniel A. Alexander, Anthony Nomezine, Lesley A. Jarvis, David J. Gladstone, Brian W. Pogue, Petr Bruza

Dartmouth Scholarship

Color vision is used throughout medicine to interpret the health and status of tissue. Ionizing radiation used in radiation therapy produces broadband white light inside tissue through the Cherenkov effect, and this light is attenuated by tissue features as it leaves the body. In this study, a novel time-gated three-channel camera was developed for the first time and was used to image color Cherenkov emission coming from patients during treatment. The spectral content was interpreted by comparison with imaging calibrated tissue phantoms. Color shades of Cherenkov emission in radiotherapy can be used to interpret tissue blood volume, oxygen saturation and …

Go to article

First Prev Next Last