554 research outputs found
Robert M. Finlayson
No full textAn obituary for Robert M. Finlayson, farmer, educator, and auditor for Tama County, Iowa
Robert M. Finlayson
No full textAn obituary for Robert M. Finlayson, farmer, educator, and auditor for Tama County, Iowa
Florius Infortunatus, scribe and author
No full textFinlayson Charles-P. Florius Infortunatus, scribe and author. In: Scriptorium, Tome 19 n°1, 1965. pp. 108-109
Plural wife: the life story of Mabel Finlayson Allred
No full textEdited by Martha Bradley-Evans.Includes bibliographical references.Introduction -- Martha Bradley-Evans; Preface -- Mabel Finlayson Allred; My Life Story -- Mabel Finlayson Allred; Postlude: Dedication to their parents -- The Allred children; "My Darling Mabel": Letters and poetry -- From Rulon C. Allred to Mabel Allred
A tribute to the life and accomplishments of Birdwell Finlayson.
No full textPURPOSE: Birdwell Finlayson was a talented researcher and clinician whose pioneering work in the field of urolithiasis led him to worldwide prominence in urology. We researched his life and accomplishments to provide a historical account of his career.
MATERIALS AND METHODS: The archives of the Department of Urology and the University of Florida Health Science Center Library were searched for publications, photographs and other records relating to Doctor Finlayson. Additionally, we interviewed many of his friends and colleagues for more information.
RESULTS: Birdwell Finlayson was born in Pocatello Bannock, Idaho. He completed a urology residency and obtained a Ph.D. in biophysics at the University of Chicago. In 1967 he joined the faculty at the University of Florida. His interest in understanding the fundamentals of stone formation led to the discovery that crystal retention at a site of nephron injury was essential for stone formation. This fixed particle hypothesis continues to serve to as the foundation for urolithiasis research today. His computer model EQUIL is the gold standard for calculating urinary supersaturation with respect to kidney stone formation. Finlayson was 1 of the 6 original coinvestigators for shock wave lithotripsy in the United States. He is also remembered for his wit and his love of aeronautics, as he was a flight instructor and stunt pilot. Finlayson died unexpectedly of idiopathic hypertrophic cardiomyopathy on July 22, 1988.
CONCLUSIONS: Birdwell Finlayson was an internationally renowned surgeon and stone disease expert whose research continues to serve as the basis of urolithiasis research at the University of Florida and worldwide
The Wetland Book, Volume I: Structure and Function, Management and Methods
No full textAn edited volume coving all aspects of wetlands, Volume 1 doing as the subtitle suggests: Structure and Function, Management and Methods. Mark Everard has been sole or lead author on 40 chapters in the Wetland Book and junior author in a number of others
RETRACTED: Experimental and Theoretical Investigation of Aerosol Optical Properties
No full textThis article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the Authors.It was prepared by Yan Li and Rui Xue, submitted by Yan Li, and published without the knowledge of the listed co-authors M.J. Ezell and B.J. Finlayson-Pitts. The experimental results are not interpretable as put forth in the published paper.The author Yan Li would like to apologize for the inconvenience caused to the co-authors and the readers
Fluorescence lifetime imaging with distance and ranging for biomedical endoscopic applications
No full textEndoscopic cameras play a vital role in medical diagnostics as they provide a minimally invasive way to image inside the body. Conventional cameras, however, are reliant on the use of white light which does not offer any additional diagnostic information over cues from colour and intensity.
Fluorescence lifetime imaging (FLIm) is a technique that can enhance endoscopy by providing differentiation between tissue types without the need
for biomarkers. This could be particularly valuable, for example, in the identification of cancerous tissue margins pre-intervention.
Time resolved arrays which incorporate single photon avalanche diodes (SPADs) are a prime candidate for FLIm as they offer very fast and precise
measurements of individual photon arrival times. In addition, they are able to obtain high speed images, even in low light conditions such as typically
observed in FLIm of endogenous fluorophores in the human body.
Another time resolved technique enabled by SPADs is time of flight (ToF) imaging which allows the distance to a target to be determined. ToF based
distance mapping could provide crucial depth perception which FLIm images inherently lack. In the case of endoscopic imaging, this allows for greater
camera and instrument control which in turn mitigates the risk of tissue damage during surgical procedures.
This research presents a combined fluorescence lifetime imaging with distance and ranging (FLImDAR) technique, realised through the use of SPAD
arrays. The FLImDAR modality has strong applications in clinical endoscopic imaging and thus is the focus of this research. Similar previous studies have
investigated depth measurements using deep tissue fluorescence which requires the addition of fluorescent dyes. This work, however, targets surface
auto-fluorescence.
Firstly, a computational model is used to examine and refine various algorithms which can be implemented to perform FLImDAR. This model is
used to decide the final FLImDAR technique, as well as investigate the impact of signal noise. Next, FLImDAR is demonstrated experimentally using
fluorescent polymer targets. Three SPAD sensors (MegaFrame, Quanticam and Endocam) are tested for compatibility with the FLImDAR modality, each
showcasing different strengths and limitations. To further prove FLImDAR’s ability to perform in low photon level auto-fluorescent applications, ovine and cancerous human pulmonary targets are imaged. The final part of this study regards performing FLImDAR with a miniaturised imaging system. The SPAD sensor, Endocam, is characterised prior to integration into a handheld camera. Using the handheld camera, FLIm videos of ovine tissue are captured as well as long exposure FLImDAR images.
With further advances in detectors, sensor architecture and photon budgets, this research indicates the significant performance improvements that will enable practical clinical application of the FLImDAR technique
All you need to know about the indoor environment, its occupants, interactions and effects
No full textResearch has shown that, even though the conditions seem to comply with current standards for indoor environmental quality (IEQ), staying indoors is not good for our health. We are confronted with diseases and disorders related to IEQ such as mental illnesses, obesity and illnesses that take longer to manifest, among which cardiovascular and chronic respiratory diseases and cancer, and very recently, COVID-19, caused by mainly airborne transmission of SARS-CoV-2 indoors. Except for these health effects, the consequences for indoor environment of climate change, the effects of the retrofitting measures we take to reduce energy consumption on health and comfort indoors, is also an emerging concern. IEQ is still described with quantitative dose-related indicators, expressed in number and/or ranges of numbers for each of the factors (indoor air, lighting, acoustics and thermal aspects). Building and occupant-related indicators are overlooked. Interactions of stressors and effects at and between human and environment level are ignored. Individual differences in needs and preferences of occupants (over time) are not accounted for. Resilient new ways of creating and maintaining healthy and comfortable indoor spaces for different occupants in different situations, require better understanding of the indoor environment, its occupants, interactions, and effects.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Indoor Environmen
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