Publications
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The mechanism of oxidation of nitroalkanes by horseradish peroxidase.
Horseradish peroxidase catalyzes the anaerobic oxidation of 2-nitropropane (probably as the nitronate R-) by H2O2 via Compounds I and II to form R-R. The oxidation rate is stimu...
Does Weather Confound or Modify the Association of Particulate Air Pollution with Mortality?
Because weather has the potential to confound or modify the pollution-mortality relationship, researchers have developed several approaches for controlling it in estimating the ...
Reservoir and conduit function of right atrium: impact on right ventricular filling and cardiac output
The purpose of this study was to investigate the relationship between right atrial (RA) reservoir and conduit function and to determine how hemodynamic changes influence this re...
Identification and Inference With Many Invalid Instruments
We study estimation and inference in settings where the interest is in the effect of a potentially endogenous regressor on some outcome. To address the endogeneity, we exploit t...
Respiratory Tract Deposition of Ultrafine Particles in Subjects with Obstructive or Restrictive Lung Disease
To evaluate the effects of lung disease on deposition of inhaled ultrafine particles (less than 0.1 micron diameter), we measured total respiratory tract deposition of nonhygros...
A class of exact solutions for Richards' equation
A new solution satisfying Richards' equation is derived. The solution, which may be applied for infiltration or capillary rise, is valid for the condition of an arbitrary moistu...
The Virtual Environment Performance Assessment Battery (VEPAB):Development and Evaluation
The Virtual Environment Performance Assessment Battery (VEPAB) is a set of tasks developed to support research on training applications of virtual environment (VE) technology. V...