A5022208734- Paleontology and Evolutionary Biology
- Evolution and Paleontology Studies
- Ichthyology and Marine Biology
- Respiratory Support and Mechanisms
- Amphibian and Reptile Biology
- Paleontology and Stratigraphy of Fossils
- Chronic Obstructive Pulmonary Disease (COPD) Research
- High Altitude and Hypoxia
- DNA Repair Mechanisms
- Language, Metaphor, and Cognition
- Lung Cancer Diagnosis and Treatment
- Cardiovascular and Diving-Related Complications
- Mast cells and histamine
- Reformation and Early Modern Christianity
- Reading and Literacy Development
- Historical, Literary, and Cultural Studies
- Air Quality Monitoring and Forecasting
- Cognitive and developmental aspects of mathematical skills
- DNA and Nucleic Acid Chemistry
- Traumatic Brain Injury and Neurovascular Disturbances
- Cardiac Arrest and Resuscitation
- Cyclone Separators and Fluid Dynamics
- Neuroscience of respiration and sleep
- Memory Processes and Influences
- Child and Animal Learning Development
George Washington University
2016-2025
University of California, Davis
1989-2020
University of Winnipeg
1991-2018
Yunnan University
2018
University of California Davis Medical Center
2016
Rush University Medical Center
2012-2014
Rush University
2014
Chinese Academy of Sciences
2013
Institute of Vertebrate Paleontology and Paleoanthropology
2013
University of Pennsylvania
1988-2006
DNA polymerases catalyze the addition of deoxyribonucleotides onto primers in a template-directed manner. The requirement for template instruction distinguishes these enzymes from other nucleotidyl transferases, such as terminal deoxynucleotidyl transferase, that do not utilize template. An oligonucleotide substrate was used to characterize novel, non-templated nucleotide reaction carried out by variety procaryotic and eucaryotic sources. products reaction, which deoxyribonucleotide added 3'...
An embryonic skeleton of a nonavian theropod dinosaur was found preserved in an egg from Upper Cretaceous rocks the Gobi Desert Mongolia. Cranial features identify embryo as member Oviraptoridae. Two embryo-sized skulls dromaeosaurids, similar to that Velociraptor , were also recovered nest. The eggshell microstructure is ratite birds and type common Djadokhta Formation at Flaming Cliffs (Bayn Dzak). Discovery nest such eggs 1923, beneath Oviraptor philoceratops holotype, suggests this may...
Breathing 100% O 2 at 1 atmosphere absolute (ATA) is known to be associated with a decrease in cerebral blood flow (CBF). It also accompanied by fall arterial Pco leading uncertainty as whether the vasoconstriction totally or only part caused hypocapnia. We tested hypothesis that increase Po while was breathed 1.0 ATA decreases CBF independently of concurrent . measured seven healthy men aged 21–62 yr using noninvasive continuous spin-labeled-perfusion MRI. The tracer this technique,...
Stimulation of mature T cells activates a downstream signaling cascade involving temporally and spatially regulated phosphorylation dephosphorylation events mediated by protein-tyrosine kinases phosphatases, respectively. PTPN22 (Lyp), non-receptor phosphatase, is expressed exclusively in hematopoietic origin, notably where it represses through the cell receptor. We used substrate trapping coupled with mass spectrometry-based peptide identification an unbiased approach to identify...
Tryptase, a mast cell serine protease, has been implicated in the pathophysiology of allergic asthma, but formal evidence to support this hypothesis limited by lack specific inhibitors for use vivo. Therefore, study we examined effects two tryptase, APC 366 [N-(1-hydroxy-2-naphthoyl)-L-arginyl-L-prolinamide hydrochloride] and BABIM [bis(5-amidino-2-benzimidazolyl)methane] on antigen-induced early late responses, airway responsiveness as measured carbachol provocation, microvascular...
M.A. Taylor, Foreword. Ichthyosauria: J.M. Callaway, Introduction. P.M. Sander, The paleobiogeography of Shastasaurus. A New Look at Mixosaurus. C. McGowan, Transitional Ichthyosaur Fauna. R. Motani, Temporal and Spatial Distribution Tooth Implantation in Ichthyosaurs. Sauropterygia: O.C. Rieppel, Rieppel H. Hagdorn, Paleobiology Middle Triassic Sauropterygia Central Western Europe. G.W. Storrs, Morphologic Taxonomic Clarification the Genus Plesiosaurus. K. Carpenter, Comparative Cranial...
Rationale: We hypothesized that platelet–neutrophil interactions occur as a result of acute carbon monoxide (CO) poisoning, and subsequent neutrophil activation triggers events cause neurologic sequelae.Objectives: To identify in patients animal models, to establish the association between these intravascular changes linked CO-mediated sequelae an model.Measurements Main Results: Blood was obtained from 50 consecutive patients. Abnormalities were variable depending on carboxyhemoglobin level...
The fossil record of Jurassic theropod dinosaurs closely related to birds remains poor. A new from the earliest Late western China represents diverging member enigmatic group Alvarezsauroidea and confirms that this is a basal Maniraptora, clade containing their closest relatives. It extends by 63 million years provides evidence for maniraptorans earlier in than Archaeopteryx. taxon extreme morphological convergence between derived alvarezsauroids illuminates incipient stages highly modified...
Turtles (Testudinata) are a successful lineage of vertebrates with about 350 extant species that inhabit all major oceans and landmasses tropical to temperate climates. The rich fossil record turtles documents the adaptation various sub-lineages broad range habitat preferences, but synthetic biogeographic model is still lacking for group. We herein describe new turtle from Late Jurassic Xinjiang, China, Sichuanchelys palatodentata sp. nov., highly unusual by plesiomorphically exhibiting...
Autonomous sensory meridian response (ASMR) is a perceptual phenomenon in which specific audiovisual stimuli frequently elicit tingling sensations on the scalp and neck. These ("ASMR triggers") are typically social nature (e.g., watching someone brush their hair, hearing whispering,) often calm positive emotional state that may last up to several minutes. ASMR experiences phenomenologically overlap with mindfulness; however, no research has directly examined how mindfulness might relate...
The extraordinary demands of managing the COVID-19 pandemic has disrupted world's ability to care for patients with thoracic malignancies. As a hospital's population increases and hospital resources are depleted, provide surgical is progressively restricted, forcing surgeons prioritize among their cancer populations. Representatives from multiple cancer, surgical, research organizations have come together guide triaging malignancies as impact evolves each hospital.