User profiles for Ryan Ng
Ryan C NgPrincipal Research Scientist at Northrop Grumman Corporation Verified email at northropgrummannext.net Cited by 517 |
Long-term macroeconomic effects of climate change: A cross-country analysis
We study the long-term impact of climate change on economic activity across countries, using
a stochastic growth model where productivity is affected by deviations of temperature and …
a stochastic growth model where productivity is affected by deviations of temperature and …
Excitation and detection of acoustic phonons in nanoscale systems
Phonons play a key role in the physical properties of materials, and have long been a topic
of study in physics. While the effects of phonons had historically been considered to be a …
of study in physics. While the effects of phonons had historically been considered to be a …
Smoking, drinking, diet and physical activity—modifiable lifestyle risk factors and their associations with age to first chronic disease
R Ng, R Sutradhar, Z Yao, WP Wodchis… - International journal …, 2020 - academic.oup.com
Background This study examined the incidence of a person’s first diagnosis of a selected
chronic disease, and the relationships between modifiable lifestyle risk factors and age to first …
chronic disease, and the relationships between modifiable lifestyle risk factors and age to first …
Structural color three-dimensional printing by shrinking photonic crystals
The coloration of some butterflies, Pachyrhynchus weevils, and many chameleons are notable
examples of natural organisms employing photonic crystals to produce colorful patterns. …
examples of natural organisms employing photonic crystals to produce colorful patterns. …
The current application of the Royston-Parmar model for prognostic modeling in health research: a scoping review
R Ng, K Kornas, R Sutradhar, WP Wodchis… - … and prognostic research, 2018 - Springer
Background Prognostic models incorporating survival analysis predict the risk (ie, probability)
of experiencing a future event over a specific time period. In 2002, Royston and Parmar …
of experiencing a future event over a specific time period. In 2002, Royston and Parmar …
Accuracy of Canadian health administrative databases in identifying patients with rheumatoid arthritis: a validation study using the medical records of rheumatologists
…, S Bernatsky, JM Paterson, K Tu, R Ng… - Arthritis care & …, 2013 - Wiley Online Library
Objective Health administrative data can be a valuable tool for disease surveillance and
research. Few studies have rigorously evaluated the accuracy of administrative databases for …
research. Few studies have rigorously evaluated the accuracy of administrative databases for …
Increased risk of mycobacterial infections associated with anti-rheumatic medications
SK Brode, FB Jamieson, R Ng, MA Campitelli… - Thorax, 2015 - thorax.bmj.com
Rationale Anti-tumour necrosis factor (TNF) agents and other anti-rheumatic medications
increase the risk of TB in rheumatoid arthritis (RA). Whether they increase the risk of infections …
increase the risk of TB in rheumatoid arthritis (RA). Whether they increase the risk of infections …
Additive manufacturing of high-refractive-index, nanoarchitected titanium dioxide for 3D dielectric photonic crystals
Additive manufacturing at small scales enables advances in micro- and nanoelectromechanical
systems, micro-optics, and medical devices. Materials that lend themselves to AM at the …
systems, micro-optics, and medical devices. Materials that lend themselves to AM at the …
Increasing complexity of new nursing home residents in Ontario, Canada: A serial cross‐sectional study
R Ng, N Lane, P Tanuseputro… - Journal of the …, 2020 - Wiley Online Library
OBJECTIVES The main objective of the study was to investigate annual changes in the
sociodemographic characteristics, morbidity, and functional status of new nursing home …
sociodemographic characteristics, morbidity, and functional status of new nursing home …
Engineering nanoscale hypersonic phonon transport
Controlling vibrations in solids is crucial to tailor their elastic properties and interaction with
light. Thermal vibrations represent a source of noise and dephasing for many physical …
light. Thermal vibrations represent a source of noise and dephasing for many physical …