Search Results - "Model, M. A"

Experimental test of the geometric model of image formation in bright‐field microscopy by Clements, RJ, Davidson, M, Model, MA

“…In the geometric optics approximation, an image formed by an objective lens replicates the distribution of intensity at the front focal plane of the objective…”
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Measurement of protein concentration in bacteria and small organelles under a light transmission microscope by Model, M. A., Guo, R., Fasina, K., Jin, R., Clements, R. J., Leff, L. G.

“…Protein concentration (PC) is an essential characteristic of cells and organelles; it determines the extent of macromolecular crowding effects and serves as a…”
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Selective Visualization of Live Intestinal Parasites in Stool Specimens Without Purification by Model, M. A., Williams, P. A., Marsh, A. E.

“…Purpose Microscopic observation of live parasites in the stool is an important diagnostic tool in human and veterinary medicine. Because of the presence of…”
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A model for membrane potential and intracellular ion distribution by Khitrin, A.K., Khitrin, K.A., Model, M.A.

“…•Intracellular concentration profile of ions for cells with negative Donnan potential is derived.•Donnan potential is produced by ion depletion within a narrow…”
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Concentrated dyes as a source of two-dimensional fluorescent field for characterization of a confocal microscope by MODEL, M.A, BLANK, J.L

“…The axial spread function is a useful tool for evaluation of a confocal microscope. It can be obtained experimentally by scanning a uniform fluorescent layer…”
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Measurement of the absorption of concentrated dyes and their use for quantitative imaging of surface topography by MODEL, M.A, KHITRIN, A.K, BLANK, J.L

“…We propose a method to image the surface topography of transparent objects. The space between the object and the opposite closely positioned surface (such as a…”
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3D deconvolution of spherically aberrated images using commercial software by MODEL, M.A, FANG, J, YUVARAJ, P, CHEN, Y, ZHANG NEWBY, B.-M

“…Refractive index mismatch between the specimen and the objective immersion oil results in spherical aberration, which causes distortion and spreading of the…”
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Ligand-receptor interaction rates in the presence of convective mass transport by Model, M.A., Omann, G.M.

“…The rate of binding of a ligand to receptors on the cell surface can be diffusion limited. We analyze the kinetics of binding, diffusion-limited in a…”
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Desensitization of the actin polymerization response in human neutrophils at low cell density by Model, M A, Omann, G M

“…Many chemoattractant-activated responses in neutrophils show transient kinetics, suggesting that rapid desensitization occurs during the time course of the…”
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Bright-field microscopy of transparent objects: a ray tracing approach by Khitrin, A. K, Model, M. A

“…Formation of a bright-field microscopic image of a transparent phase object is described in terms of elementary geometrical optics. Our approach is based on…”
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Quantification of the surface density of a fluorescent label with the optical microscope by Model, Michael A., Healy, Kevin E.

“…Fluorescence microscopy can offer unique advantages for biomaterials characterization. Like spectroscopy or radioactivity, it can be used to quantify specific…”
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Optimization of the Cost and Sensitivity of Receptor- and Enzyme-Based Assays by Model, Michael A., Healy, Kevin E.

“…In detecting receptor antagonists or enzyme inhibitors, there are three parameters that often affect the outcome in a predictable quantitative manner:…”
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Cell Polarization as a Possible Mechanism of Response Termination by Model, Michael A., Omann, Geneva M.

“…Neutrophils stimulated with a low concentration of chemotactic peptide N-formyl-met-leu-phe respond with a brief pulse of actin polymerization and a persistent…”
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EXPERIMENTAL APPROACHES FOR OBSERVING HOMOLOGOUS DESENSITISATION AND THEIR PITFALLS by MODEL, MICHAEL A., OMANN, GENEVA M.

“…Whereas molecular mechanisms of cell desensitisation have been discussed at length in the literature, little organised information on the methods for studying…”
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EXPERIMENTAL APPROACHES FOR OBSERVING HOMOLOGOUS DESENSITISATION AND THEIR PITFALLS by MODEL, MICHAEL A, OMANN, GENEVA M

“…Whereas molecular mechanisms of cell desensitisation have been discussed at length in the literature, little organised information on the methods for studying…”
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A sensitive flow cytometric method for measuring the oxidative burst by Model, Michael A, KuKuruga, Mark A, Todd, Robert F

“…We report a novel method of flow cytometric detection of the oxidative burst in human neutrophils. The cells were covalently labeled on the plasma membrane by…”
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A Microscopic Study of FcγRIII-Mediated Respiratory Burst in Neutrophils by Model, Michael A., Ganelina, Lyudmila S., Todd, Robert F.

“…We investigated the relationship between the respiratory burst in neutrophils and the membrane distribution of the IgG receptor, FcγRIII.FcγRIII receptors were…”
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A standard for calibration and shading correction of a fluorescence microscope by Model, Michael A., Burkhardt, Janis K.

“…Background Numerous applications of fluorescence microscopy require quantitation of signal intensity in reproducible units. Two problems must be overcome to…”
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Determination of glutathione peroxidase activity by Model', M A

“…A simplified procedure is developed for estimation of glutathione peroxidase activity involving glutathione reductase in the conjugated reaction. The procedure…”
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