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Search Publications by: Anne L Plant (Fed)

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Displaying 26 - 50 of 69

Quantitative Methods to Characterize Cell Lines: Comparison of Cells from Marine and Terrestrial Mammals.

July 28, 2012
Author(s)
Tighe Spurlin, John T. Elliott, Michael W. Halter, Kiran Bhadriraju, Alessandro Tona, Anne L. Plant, Annalaura Mancia, Bobby L. Middlebrooks, Gregory W. Warr
Descriptive terms are often used to characterize cells in culture, but the use of nonquantitative and poorly defined terms can lead to ambiguities when comparing data from different laboratories. Although recently there has been a good deal of interest in

New Concepts for Building Vocabulary for Cell Image Ontologies

December 21, 2011
Author(s)
Anne L. Plant, John T. Elliott, Talapady N. Bhat
Background: We present an approach to cell image databasing that is compatible with searching across a global federation of independent image databases. The variety of biological experiments and data that practitioners would like to access and share is

Comparison of segmentation algorithms for fluorescence microscopy images of cells

June 14, 2011
Author(s)
Alden A. Dima, John T. Elliott, James J. Filliben, Michael W. Halter, Adele P. Peskin, Javier Bernal, Marcin Kociolek, Mary C. Brady, Hai C. Tang, Anne L. Plant
Segmentation results from nine different segmentation techniques applied to two different cell lines and five different sets of imaging conditions were compared. Significant variability in the results of segmentation was observed that was due solely to

Reproducibility and Robustness of a Real-Time Microfluidic Cell Toxicity Assay

May 15, 2011
Author(s)
Gregory A. Cooksey, John T. Elliott, Anne L. Plant
Numerous opportunities exist to apply microfluidic technology to high-throughput and high-content cell-based assays. However, maximizing the value of these assays for drug discovery, screening or toxicity evaluation, for example, will require validation of

Image Classification of Vascular Smooth Muscle Cells

November 11, 2010
Author(s)
Michael Grasso, Ronil Mokashi , Alden A. Dima, Antonio Cardone, Kiran Bhadriraju, Anne L. Plant, Mary C. Brady, Yaacov Yesha, Yelena Yesha
The traditional method of cell microscopy can be subjective, due to observer variability, a lack of standardization, and a limited feature set. To address this challenge, we developed an image classifier using a machine learning approach. Our system was

The Nanomechanical Properties of Thin Film of Type I Collagen Fibrils

March 2, 2010
Author(s)
Koo-Hyun Chung, Kiran Bhadriraju, Tighe Spurlin, Robert F. Cook, Anne L. Plant
Cells sense and respond to the mechanical properties of the substrate to which they adhere. Matrices composed of collagen have been an important experimental system to study cell responses to the stiffness of the extracellular matrix. We had previously

A mechanistically relevant cytotoxicity assay based on the detection of cellular GFP

August 1, 2009
Author(s)
Michael W. Halter, Jamie L. Almeida, Alessandro Tona, Kenneth D. Cole, Anne L. Plant, John T. Elliott
Cell-based assays for measuring ribosome inhibition by proteins such as the plant toxin ricin are important for characterizing decontamination strategies and developing detection technologies for field use. We report here an assay for ricin that provides a

Cell volume distributions reveal cell growth rates and division times

March 7, 2009
Author(s)
Michael W. Halter, John T. Elliott, Joseph B. Hubbard, Alessandro Tona, Anne L. Plant
A population of cells in culture displays a range of phenotypic responses, even when those cells are derived from a single cell and are exposed to a homogeneous environment. Phenotypic variability can have a number of sources, including the variable rates

Surface plasmon resonance imaging of cells and surface-associated fibronectin

February 26, 2009
Author(s)
Alexander W. Peterson, Michael W. Halter, Alessandro Tona, Kiran Bhadriraju, Anne L. Plant
Background A critical challenge in cell biology is quantifying the interactions of cells with their extracellular matrix (ECM) environment and the active remodeling by cells of their ECM. Fluorescence microscopy is a commonly employed technique for

A vacuum manifold for rapid world-to-chip connectivity of complex PDMS microdevices

January 1, 2009
Author(s)
Gregory A. Cooksey, Anne L. Plant, Francisco J. Atencia
The lack of simple interfaces for microfluidic devices with a large number of inlets significantly limits production and utilization of these devices. In this paper, we describe the fabrication of a reusable manifold that provides rapid world-to-chip

The Stiffness of Collagen Fibrils Influences Vascular Smooth Muscle Cell Phenotype

March 1, 2007
Author(s)
Dennis P. McDaniel, Gordon A. Shaw, John T. Elliott, Kiran Bhadriraju, Curtis W. Meuse, Koo-Hyun Chung, Anne L. Plant
Cells receive signals from the extracellular matrix through receptor-dependent interactions, but they are also influenced by the mechanical properties of the matrix. While bulk properties of substrates have been shown to effect cell behavior, we show here

Mechanical Stability of Collagen Fibril Networks

November 1, 2005
Author(s)
Gordon A. Shaw, Dennis P. McDaniel, John T. Elliott, Alessandro Tona, Anne L. Plant
Thin films of type 1 collagen fibril networks fabricated on alkanethiol-functionalized surfaces have been previously shown to provide an excellent protein matrix for cultured cells in applications such as drug toxicity studies and studies of cell signaling

Osteoblast Cell Membrane Hybrid Bilayers for Studying Cell-Cell Interactions

September 30, 2003
Author(s)
John T. Elliott, Alessandro Tona, John T. Woodward IV, Curtis W. Meuse, H M. Elgendy, Anne L. Plant
Osteopath-like cells were grown on a surface that presents cell membrane components to the cells in culture. The culture surface was a bilayer formed by the interaction of osteoblast plasma membrane vesicles with an alkanethiol monolayer. We examined the

Biomimetic Membranes on Metal Supports

May 1, 2003
Author(s)
John T. Elliott, Curtis W. Meuse, Vitalii I. Silin, Susan T. Krueger, John T. Woodward IV, T Petralli-Mallow, Anne L. Plant
Biological membranes are complex and dynamic structures. The biological functions associated with membranes involve a number of different molecular species, and theories of how the molecular species are organized are still evolving. The fluid mosaic model

Thin Films of Collagen Affect Smooth Muscle Cell Morphology

March 4, 2003
Author(s)
John T. Elliott, Alessandro Tona, John T. Woodward IV, P L. Jones, Anne L. Plant
The purpose of this study was to provide a reproducible method for applying collagen to surfaces on which cells can be grown, and to characterize the resulting thin films of collagen protein with respect to molecular structure and cellular response

Indicator Cells Assist the Development of Tissue Engineering Products

January 1, 2003
Author(s)
Anne L. Plant, John T. Elliott, K J. Langenbach
The field of tissue engineering holds great promise. The premise is that living cells can be coaxed to differentiate, organize, and regenerate normal physiological function in diseased and damaged tissues. This outcome will not be achieved, however