User profiles for John W. Simpson

John W. Simpson-Porco

University of Toronto
Verified email at ece.utoronto.ca
Cited by 6024

[HTML][HTML] Genome sequencing in microfabricated high-density picolitre reactors

…, GT Roth, GJ Sarkis, JF Simons, JW Simpson… - Nature, 2005 - nature.com
The proliferation of large-scale DNA-sequencing projects in recent years has driven a
search for alternative methods to reduce time and cost. Here we describe a scalable, highly …

DNA transport by a micromachined Brownian ratchet device

…, JM Bustillo, JW Simpson… - Proceedings of the …, 1999 - National Acad Sciences
We have micromachined a silicon-chip device that transports DNA with a Brownian ratchet
that rectifies the Brownian motion of microscopic particles. Transport properties for a DNA 50-…

Responsibility of the obstetrician to the fetus: II. Influence of prepregnancy weight and pregnancy weight gain on birthweight

JW Simpson, RW Lawless… - Obstetrics & …, 1975 - journals.lww.com
The diet of pregnant women has been restricted in various ways since earliest history.
Dietary restriction may have severely deleterious effects on the fetus. Our study revealed a …

Gene expression analysis by transcript profiling coupled to a gene database query

…, SG Shenoy, A Windemuth, JW Simpson… - Nature …, 1999 - nature.com
We describe an mRNA profiling technique for determining differential gene expression that
utilizes, but does not require, prior knowledge of gene sequences. This method permits high-…

Free amino acids in some aquatic invertebrates

JW Simpson, K Allen, J Awapara - The Biological Bulletin, 1959 - journals.uchicago.edu
1. Free amino acids of 17 species of aquatic invertebrates were determined by chromatographic
methods. 2. Qualitative differences in some amino acids were detected in organisms of …

Population dynamics of breeding mallards in the Great Lakes states

…, T Yerkes, R Simpson, JW Simpson… - The Journal of …, 2008 - Wiley Online Library
Mallard (Anas platyrhynchos) populations in the United States portion of the Great Lakes
region increased through the 1990s but have since declined. To promote sustainable growth of …

Forty-eight years of landscape change on two contiguous Ohio landscapes

JW Simpson, REJ Boerner, MN DeMers, LA Berns… - Landscape …, 1994 - Springer
This study analyzes the current and historic structure of two contiguous, rural landscapes
covering approximately 242 km 2 in central Ohio, USA: a till plain landscape with relatively …

Secondary frequency and voltage control of islanded microgrids via distributed averaging

JW Simpson-Porco, Q Shafiee, F Dörfler… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
In this paper, we present new distributed controllers for secondary frequency and voltage
control in islanded microgrids. Inspired by techniques from cooperative control, the proposed …

Synchronization and power sharing for droop-controlled inverters in islanded microgrids

JW Simpson-Porco, F Dörfler, F Bullo - Automatica, 2013 - Elsevier
Motivated by the recent and growing interest in smart grid technology, we study the operation
of DC/AC inverters in an inductive microgrid. We show that a network of loads and DC/AC …

Microgrid stability definitions, analysis, and examples

…, CA Cañizares, JW Simpson-Porco… - … on Power Systems, 2019 - ieeexplore.ieee.org
This document is a summary of a report prepared by the IEEE PES Task Force (TF) on
Microgrid Stability Definitions, Analysis, and Modeling, IEEE Power and Energy Society, …