User profiles for W. M. Marr

David WM Marr

Professor of Chemical and Biological Engineering, Colorado School of Mines
Verified email at mines.edu
Cited by 4585

The link between immigration and unemployment in Canada

WL Marr, PL Siklos - Journal of Policy Modeling, 1994 - Elsevier
In this paper we consider the joint relationship between immigration and unemployment rates
in Canada, conditional on aggregate demand and supply factors, using quarterly data for …

Microfluidic control using colloidal devices

A Terray, J Oakey, DWM Marr - Science, 2002 - science.org
By manipulating colloidal microspheres within customized channels, we have created
micrometer-scale fluid pumps and particulate valves. We describe two positive-displacement …

Microfluidic sorting system based on optical waveguide integration and diode laser bar trapping

…, J Squier, T Vestad, J Oakey, DWM Marr… - Lab on a Chip, 2006 - pubs.rsc.org
Effective methods for manipulating, isolating and sorting cells and particles are essential for
the development of microfluidic-based life science research and diagnostic platforms. We …

[PDF][PDF] Investor views, drawdown-based risk parity, and hedge fund portfolio construction

A Rudin, WM Marr - The Journal of alternative investments, 2016 - granitestreetcap.com
In the last two decades, risk parity has become quite popular with institutional investors and
is often used to construct both traditional and alternative investments portfolios (see Da Silva…

Optical trapping, manipulation, and sorting of cells and colloids in microfluidic systems with diode laser bars

…, J Squier, T Vestad, J Oakey, DWM Marr - Optics express, 2004 - opg.optica.org
We demonstrate a new technique for trapping, sorting, and manipulating cells and
micrometer-sized particles within microfluidic systems, using a diode laser bar. This approach …

Fabrication of linear colloidal structures for microfluidic applications

A Terray, J Oakey, DWM Marr - Applied Physics Letters, 2002 - pubs.aip.org
In this letter, an optical microfabrication and actuation method for the creation of microfluidic
structures is described. In this approach, an optical trap is used to position and polymerize …

Rolling of soft microbots with tunable traction

Y Gao, B Sprinkle, E Springer, DWM Marr, N Wu - Science Advances, 2023 - science.org
Microbot (μbot)–based targeted drug delivery has attracted increasing attention due to its
potential for avoiding side effects associated with systemic delivery. To date, most μbots are …

Reconfigurable microbots folded from simple colloidal chains

…, J Qian, D Hua, A Donev, DWM Marr… - Proceedings of the …, 2020 - National Acad Sciences
To overcome the reversible nature of low-Reynolds-number flow, a variety of biomimetic
microrobotic propulsion schemes and devices capable of rapid transport have been developed. …

Laminar‐flow‐based separations at the microscale

J Oakey, J Allely, DWM Marr - Biotechnology progress, 2002 - Wiley Online Library
The natural separation maintained by microfluidic flows is employed as the basis of a particle/cell
sorting device. This method of separating particulate suspensions exploits the inherent …

Cell deformation cytometry using diode-bar optical stretchers

…, J Squier, J Chichester, DWM Marr - … of biomedical optics, 2010 - spiedigitallibrary.org
The measurement of cell elastic parameters using optical forces has great potential as a
reagent-free method for cell classification, identification of phenotype, and detection of disease; …