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3,678 results on '"Sullivan, Daniel"'

5. Teaching Presence in Asynchronous Online Classes: It's Not Just a Façade

Author

Watson, Sharon, Sullivan, Daniel P., and Watson, Kathryn

Abstract

The expanding scale and scope of online education options, both in terms of design and delivery, create significant questions that increasingly warrant research attention. Previous research has demonstrated that higher levels of teaching presence in online courses is positively related to student engagement, satisfaction and learning. Although there are many methods for infusing one's teaching presence into an online class, practicalities constrain choices. The purpose of this study is to identify and assess those methods students perceive to be the most valuable. We empirically investigate students' perceptions and evaluative judgments of a range of methods of setting and sustaining teaching presence in an online asynchronous course. Post hoc factor analysis of our data suggests refining our understanding of teaching presence in terms of stylistic versus substantive methods. Analyses of student survey data indicate that, while students see value in both types of teaching presence, they perceive significantly greater benefit from substantive relative to stylistic methods.

Published
2023

6. Beyond the strike (bird/wildlife) hazard

Author

Sullivan, Daniel P.

Subjects
DISEASES - Safety Measures, HEALTH AND HYGIENE - Safety Measures, INSECTS - Safety Measures, PEST CONTROL
Abstract

illus bibliog

Published
2008

7. BASH (bird air strike hazard)

Author

Sullivan, Daniel P.

Subjects
BIRDS - Safety Measures, ACCIDENTS, AIR - Causes, FLYING SAFETY - Statistics
Abstract

illus

Published
2008

9. Can the U.S. help them all?

Author

Sullivan, Daniel S., Capt

Subjects
UNITED STATES - Foreign Policy, SECURITY, NATIONAL - United States
Abstract

illus por bibliog

Published
2000

11. Targeted Next-Generation Sequencing Reveals Divergent Clonal Evolution in Components of Composite Pleomorphic Xanthoastrocytoma-Ganglioglioma

Author

Lucas, Calixto-Hope G, Davidson, Christian J, Alashari, Mouied, Putnam, Angelica R, Whipple, Nicholas S, Bruggers, Carol S, Mendez, Joe S, Cheshier, Samuel H, Walker, Jeffrey B, Ramani, Biswarathan, Cadwell, Cathryn R, Sullivan, Daniel V, Lu, Rufei, Mirchia, Kanish, Van Ziffle, Jessica, Devine, Patrick, Goldschmidt, Ezequiel, Hervey-Jumper, Shawn L, Gupta, Nalin, Bush, Nancy Ann Oberheim, Raleigh, David R, Bollen, Andrew, Tihan, Tarik, Pekmezci, Melike, Solomon, David A, Phillips, Joanna J, and Perry, Arie

Subjects
Biomedical and Clinical Sciences, Oncology and Carcinogenesis, Genetics, Cancer Genomics, Cancer, Human Genome, Adolescent, Adult, Astrocytoma, Brain Neoplasms, Clonal Evolution, Cyclin-Dependent Kinase Inhibitor p16, DNA, Female, Ganglioglioma, High-Throughput Nucleotide Sequencing, Homozygote, Humans, Male, Mutation, Proto-Oncogene Proteins B-raf, Sequence Deletion, Young Adult, Collision tumor, Intratumoral heterogeneity, Molecular neuropathology, Neurooncology, Pleomorphic xanthoastrocytoma, Precision medicine, Clinical Sciences, Neurosciences, Neurology & Neurosurgery, Clinical sciences
Abstract

Composite pleomorphic xanthoastrocytoma-ganglioglioma (PXA-GG) is an extremely rare central nervous system neoplasm with 2 distinct but intermingled components. Whether this tumor represents a "collision tumor" of separate neoplasms or a monoclonal neoplasm with divergent evolution is poorly understood. Clinicopathologic studies and capture-based next generation sequencing were performed on extracted DNA from all available PXA-GG at 2 medical centers. Five PXA-GG were diagnosed in 1 male and 4 female patients ranging from 13 to 25 years in age. Four arose within the cerebral hemispheres; 1 presented in the cerebellar vermis. DNA was sufficient for analysis in 4 PXA components and 3 GG components. Four paired PXA and GG components harbored BRAF p.V600E hotspot mutations. The 4 sequenced PXA components demonstrated CDKN2A homozygous deletion by sequencing with loss of p16 (protein product of CDKN2A) expression by immunohistochemistry, which was intact in all assessed GG components. The PXA components also demonstrated more frequent copy number alterations relative to paired GG components. In one PXA-GG, shared chromosomal copy number alterations were identified in both components. Our findings support divergent evolution of the PXA and GG components from a common BRAF p.V600E-mutant precursor lesion, with additional acquisition of CDKN2A homozygous deletion in the PXA component as is typically seen in conventional PXA.

Published
2022

12. Multiple transatlantic incursions of highly pathogenic avian influenza clade 2.3.4.4b A(H5N5) virus into North America and spillover to mammals

Author

Erdelyan, Cassidy N.G., Kandeil, Ahmed, Signore, Anthony V., Jones, Megan E.B., Vogel, Peter, Andreev, Konstantin, Bøe, Cathrine Arnason, Gjerset, Britt, Alkie, Tamiru N., Yason, Carmencita, Hisanaga, Tamiko, Sullivan, Daniel, Lung, Oliver, Bourque, Laura, Ayilara, Ifeoluwa, Pama, Lemarie, Jeevan, Trushar, Franks, John, Jones, Jeremy C., Seiler, Jon P., Miller, Lance, Mubareka, Samira, Webby, Richard J., and Berhane, Yohannes

Published
2024
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14. Company L (the Kosovo commitment)

Author

Sullivan, Daniel M., Capt

Subjects
OPERATION - Joint Guardian - Lessons Learned, PEACEKEEPING - Serbia and Montenegro - Lessons Learned, URBAN WARFARE - Lessons Learned
Published
1999

15. Understanding the impact of the alphabetical ordering of names in user interfaces: a gender bias analysis

Author

Sullivan, Daniel, Caminha, Carlos, Dantas, Victor, Furtado, Elizabeth, Furtado, Vasco, and Almeida, Virgílio

Subjects
Computer Science - Human-Computer Interaction
Abstract

Listing people alphabetically on an electronic output device is a traditional technique, since alphabetical order is easily perceived by users and facilitates access to information. However, this apparently harmless technique, especially when the list is ordered by first name, needs to be used with caution by designers and programmers. We show, via empirical data analysis, that when an interface displays people's first name in alphabetical order in several pages/screens, each page/screen may have imbalances in respect to gender of its Top-k individuals.k represents the size of the list of names visualized first, which may be the number of names that fits in a screen page of a certain device.The research work was carried out with the analysis of actual datasets of names of five different countries. Each dataset has a person name and the frequency of adoption of the name in the country.Our analysis shows that, even though all countries have exhibit imbalance problems, the samples of individuals with Brazilian and Spanish first names are more prone to gender imbalance among their Top-k individuals. These results can be useful for designers and engineers to construct information systems that avoid gender bias induction.

Published
2020

17. Magnetic resonance biomarkers in radiation oncology: The report of AAPM Task Group 294

Author

McGee, Kiaran P, Hwang, Ken‐Pin, Sullivan, Daniel C, Kurhanewicz, John, Hu, Yanle, Wang, Jihong, Li, Wen, Debbins, Josef, Paulson, Eric, Olsen, Jeffrey R, Hua, Chia‐ho, Warner, Lizette, Ma, Daniel, Moros, Eduardo, Tyagi, Neelam, and Chung, Caroline

Subjects
Medical and Biological Physics, Physical Sciences, Cancer, Biomedical Imaging, Clinical Research, Detection, screening and diagnosis, 4.1 Discovery and preclinical testing of markers and technologies, Good Health and Well Being, Biomarkers, Magnetic Resonance Imaging, Magnetic Resonance Spectroscopy, Radiation Oncology, biomarker, imaging, MR, QIBA, quantitative, radiation therapy, biomarker, imaging, MR, QIBA, quantitative, radiation therapy, Other Physical Sciences, Biomedical Engineering, Oncology and Carcinogenesis, Nuclear Medicine & Medical Imaging, Biomedical engineering, Medical and biological physics
Abstract

PurposeA magnetic resonance (MR) biologic marker (biomarker) is a measurable quantitative characteristic that is an indicator of normal biological and pathogenetic processes or a response to therapeutic intervention derived from the MR imaging process. There is significant potential for MR biomarkers to facilitate personalized approaches to cancer care through more precise disease targeting by quantifying normal versus pathologic tissue function as well as toxicity to both radiation and chemotherapy. Both of which have the potential to increase the therapeutic ratio and provide earlier, more accurate monitoring of treatment response. The ongoing integration of MR into routine clinical radiation therapy (RT) planning and the development of MR guided radiation therapy systems is providing new opportunities for MR biomarkers to personalize and improve clinical outcomes. Their appropriate use, however, must be based on knowledge of the physical origin of the biomarker signal, the relationship to the underlying biological processes, and their strengths and limitations. The purpose of this report is to provide an educational resource describing MR biomarkers, the techniques used to quantify them, their strengths and weakness within the context of their application to radiation oncology so as to ensure their appropriate use and application within this field.

Published
2021

21. The immunohistochemical, DNA methylation, and chromosomal copy number profile of cauda equina paraganglioma is distinct from extra-spinal paraganglioma

Author

Ramani, Biswarathan, Gupta, Rohit, Wu, Jasper, Barreto, Jairo, Bollen, Andrew W, Tihan, Tarik, Mummaneni, Praveen V, Ames, Christopher, Clark, Aaron, Oberheim Bush, Nancy Ann, Butowski, Nicholas, Phillips, Daniel, King, Bruce E, Bator, Susan M, Treynor, Elizabeth C, Zherebitskiy, Viktor, Quinn, Paula S, Walker, Jeffrey B, Pekmezci, Melike, Sullivan, Daniel V, Hofmann, Jeffrey W, Sloan, Emily A, M. Chang, Susan, Berger, Mitchel S, Solomon, David A, and Perry, Arie

Subjects
Biomedical and Clinical Sciences, Oncology and Carcinogenesis, Genetics, Rare Diseases, Human Genome, Neurosciences, Cancer, Adult, Aged, Aged, 80 and over, Cauda Equina, Central Nervous System Neoplasms, DNA Copy Number Variations, DNA Methylation, Female, Germ-Line Mutation, Humans, Immunohistochemistry, Male, Middle Aged, Paraganglioma, Young Adult, Cauda equina paraganglioma, Filum terminale, Neuroendocrine tumor, Molecular neuropathology, Succinate dehydrogenase, DNA methylation profiling, Clinical Sciences, Neurology & Neurosurgery
Abstract

Paragangliomas are neuroendocrine tumors of the autonomic nervous system that are variably clinically functional and have a potential for metastasis. Up to 40% occur in the setting of a hereditary syndrome, most commonly due to germline mutations in succinate dehydrogenase (SDHx) genes. Immunohistochemically, paragangliomas are characteristically GATA3-positive and cytokeratin-negative, with loss of SDHB expression in most hereditary cases. In contrast, the rare paragangliomas arising in the cauda equina (CEP) or filum terminale region have been shown to be hormonally silent, clinically indolent, and have variable keratin expression, suggesting these tumors may represent a separate pathologic entity. We retrospectively evaluated 17 CEPs from 11 male and 6 female patients with a median age of 38 years (range 21-82), none with a family history of neuroendocrine neoplasia. Six of the 17 tumors demonstrated prominent gangliocytic or ganglioneuromatous differentiation. By immunohistochemistry, none of the CEPs showed GATA3 positivity or loss of SDHB staining; all 17 CEPs were cytokeratin positive. Genome-wide DNA methylation profiling was performed on 12 of the tumors and compared with publicly available genome-wide DNA methylation data. Clustering analysis showed that CEPs form a distinct epigenetic group, separate from paragangliomas of extraspinal sites, pheochromocytomas, and other neuroendocrine neoplasms. Copy number analysis revealed diploid genomes in the vast majority of CEPs, whereas extraspinal paragangliomas were mostly aneuploid with recurrent trisomy 1q and monosomies of 1p, 3, and 11, none of which were present in the cohort of CEP. Together, these findings indicate that CEPs likely represent a distinct entity. Future genomic studies are needed to further elucidate the molecular pathogenesis of these tumors.

Published
2020

23. Divergent SARS-CoV-2 variant emerges in white-tailed deer with deer-to-human transmission

Author

Pickering, Bradley, Lung, Oliver, Maguire, Finlay, Kruczkiewicz, Peter, Kotwa, Jonathon D., Buchanan, Tore, Gagnier, Marianne, Guthrie, Jennifer L., Jardine, Claire M., Marchand-Austin, Alex, Massé, Ariane, McClinchey, Heather, Nirmalarajah, Kuganya, Aftanas, Patryk, Blais-Savoie, Juliette, Chee, Hsien-Yao, Chien, Emily, Yim, Winfield, Banete, Andra, Griffin, Bryan D., Yip, Lily, Goolia, Melissa, Suderman, Matthew, Pinette, Mathieu, Smith, Greg, Sullivan, Daniel, Rudar, Josip, Vernygora, Oksana, Adey, Elizabeth, Nebroski, Michelle, Goyette, Guillaume, Finzi, Andrés, Laroche, Geneviève, Ariana, Ardeshir, Vahkal, Brett, Côté, Marceline, McGeer, Allison J., Nituch, Larissa, Mubareka, Samira, and Bowman, Jeff

Published
2022
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25. Cover

Author

Barber, Bernard, Lally, John J., Makarushka, Julia Loughlin, and Sullivan, Daniel

Published
1973

27. Title page, Copyright

Author

Barber, Bernard, Lally, John J., Makarushka, Julia Loughlin, and Sullivan, Daniel

Published
1973

29. 1. Introduction

Author

Barber, Bernard, Lally, John J., Makarushka, Julia Loughlin, and Sullivan, Daniel

Published
1973

30. Preface

Author

Barber, Bernard, Lally, John J., Makarushka, Julia Loughlin, and Sullivan, Daniel

Published
1973

33. 8. Six Case Studies

Author

Barber, Bernard, Lally, John J., Makarushka, Julia Loughlin, and Sullivan, Daniel

Published
1973

35. Index

Author

Barber, Bernard, Lally, John J., Makarushka, Julia Loughlin, and Sullivan, Daniel

Published
1973

42. Multiplatform molecular analyses refine classification of gliomas arising in patients with neurofibromatosis type 1

Author

Lucas, Calixto-Hope G., Sloan, Emily A., Gupta, Rohit, Wu, Jasper, Pratt, Drew, Vasudevan, Harish N., Ravindranathan, Ajay, Barreto, Jairo, Williams, Erik A., Shai, Anny, Whipple, Nicholas S., Bruggers, Carol S., Maher, Ossama, Nabors, Burt, Rodriguez, Michael, Samuel, David, Brown, Melandee, Carmichael, Jason, Lu, Rufei, Mirchia, Kanish, Sullivan, Daniel V., Pekmezci, Melike, Tihan, Tarik, Bollen, Andrew W., Perry, Arie, Banerjee, Anuradha, Mueller, Sabine, Gupta, Nalin, Hervey-Jumper, Shawn L., Oberheim Bush, Nancy Ann, Daras, Mariza, Taylor, Jennie W., Butowski, Nicholas A., de Groot, John, Clarke, Jennifer L., Raleigh, David R., Costello, Joseph F., Phillips, Joanna J., Reddy, Alyssa T., Chang, Susan M., Berger, Mitchel S., and Solomon, David A.

Published
2022
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44. Recommendations towards standards for quantitative MRI (qMRI) and outstanding needs

Author

Keenan, Kathryn E, Biller, Joshua R, Delfino, Jana G, Boss, Michael A, Does, Mark D, Evelhoch, Jeffrey L, Griswold, Mark A, Gunter, Jeffrey L, Hinks, R Scott, Hoffman, Stuart W, Kim, Geena, Lattanzi, Riccardo, Li, Xiaojuan, Marinelli, Luca, Metzger, Gregory J, Mukherjee, Pratik, Nordstrom, Robert J, Peskin, Adele P, Perez, Elena, Russek, Stephen E, Sahiner, Berkman, Serkova, Natalie, Shukla‐Dave, Amita, Steckner, Michael, Stupic, Karl F, Wilmes, Lisa J, Wu, Holden H, Zhang, Huiming, Jackson, Edward F, and Sullivan, Daniel C

Subjects
Biomedical and Clinical Sciences, Clinical Sciences, Anthropometry, Breast, Decision Making, Deep Learning, Equipment Design, Female, Humans, Image Interpretation, Computer-Assisted, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Phantoms, Imaging, Precision Medicine, Radiology, Interventional, Reference Standards, Reference Values, Reproducibility of Results, Robotics, Software, quantitative MRI, reference objects, phantom, standards, validation, Physical Sciences, Engineering, Medical and Health Sciences, Nuclear Medicine & Medical Imaging, Clinical sciences
Abstract

Level of evidence5 Technical Efficacy: Stage 5 J. Magn. Reson. Imaging 2019.

Published
2019

50. Towards Understanding the Impact of Crime in a Choice of a Route by a Bus Passenger

Author

Sullivan, Daniel, Caminha, Carlos, Melo, Hygor, and Furtado, Vasco

Subjects
Computer Science - Computers and Society, Computer Science - Multiagent Systems
Abstract

In this paper we describe a simulation platform that supports studies on the impact of crime on urban mobility. We present an example of how this can be achieved by seeking to understand the effect, on the transport system, if users of this system decide to choose optimal routes of time between origins and destinations that normally follow. Based on real data from a large Brazilian metropolis, we found that the percentage of users who follow this policy is small. Most prefer to follow less efficient routes by making bus exchanges at terminals. This can be understood as an indication that the users of the transport system privilege the security factor., Comment: 12 pages, 3 figures

Published
2017

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