Search Results - "Knowles, Michelle K."
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Phosphatidic Acid Accumulates at Areas of Curvature in Tubulated Lipid Bilayers and Liposomes
Published in Biomolecules (Basel, Switzerland) (01-11-2022)“…Phosphatidic acid (PA) is a signaling lipid that is produced enzymatically from phosphatidylcholine (PC), lysophosphatidic acid, or diacylglycerol. Compared to…”
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Membrane curvature based lipid sorting using a nanoparticle patterned substrate
Published in Soft matter (28-03-2014)“…Cellular membranes contain a variety of shapes that likely act as motifs for sorting lipids and proteins. To understand the sorting that takes place within…”
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Membrane dynamics are slowed for Alexa594-labeled membrane proteins due to substrate interactions
Published in BBA advances (01-01-2021)“…The addition of fluorescent dyes to proteins, lipids and other biological molecules can affect a range of processes such as mobility, molecular interactions,…”
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Biochemically prepared C-reactive protein conformational states differentially affect C1q binding
Published in BBA advances (01-01-2022)“…•The pCRP to mCRP change is measured using several methods sensitive to conformation.•Several chemical treatments yield modified CRP, few lead to a form that…”
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Single Lipid Molecule Dynamics on Supported Lipid Bilayers with Membrane Curvature
Published in Membranes (Basel) (15-03-2017)“…The plasma membrane is a highly compartmentalized, dynamic material and this organization is essential for a wide variety of cellular processes. Nanoscale…”
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Modelling the effect of tethering on exosome secretion
Published in Biophysical journal (10-02-2023)Get full text
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7
Phospholipase D1 localizes to mobile, docking and fusing secretory vesicles and multivesicular endosomes
Published in Biophysical journal (10-02-2023)Get full text
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8
Phospholipase D1 produces phosphatidic acid at sites of secretory vesicle docking and fusion
Published in Molecular biology of the cell (01-03-2024)“…Phospholipase D1 (PLD1) activity is essential for the stimulated exocytosis of secretory vesicles where it acts as a lipid-modifying enzyme to produces…”
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Exosome secretion kinetics are controlled by temperature
Published in Biophysical journal (04-04-2023)“…When multivesicular endosomes (MVEs) fuse with the plasma membrane, exosomes are released into the extracellular space where they can affect other cells. The…”
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10
Polymer mediated layer-by-layer assembly of different shaped gold nanoparticles
Published in Journal of colloid and interface science (01-02-2017)“…[Display omitted] Gold nanoparticles (GNPs) have a wide range of properties with potential applications in electronics, optics, catalysis, and sensing. In…”
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11
Development of a sandwich ELISA with potential for selective quantification of human lactoferrin protein nitrated through disease or environmental exposure
Published in Analytical and bioanalytical chemistry (01-02-2018)“…Lactoferrin (LF) is an important multifunctional protein that comprises a large fraction of the protein mass in certain human fluids and tissues, and its…”
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12
Cytoskeletal-Assisted Dynamics of the Mitochondrial Reticulum in Living Cells
Published in Proceedings of the National Academy of Sciences - PNAS (12-11-2002)“…Subcellular organelle dynamics are strongly influenced by interactions with cytoskeletal filaments and their associated motor proteins, and lead to complex…”
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Conformational Changes in C‑Reactive Protein Affect Binding to Curved Membranes in a Lipid Bilayer Model of the Apoptotic Cell Surface
Published in The journal of physical chemistry. B (30-03-2017)“…C-reactive protein (CRP) is a serum protein that binds to damaged membranes through a phosphatidylcholine binding site. The membrane binding process can…”
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Fluorescence quantum yield measurements of fluorescent proteins: A laboratory experiment for a biochemistry or molecular biophysics laboratory course
Published in Biochemistry and molecular biology education (01-01-2015)“…Fluorescent proteins are commonly used in cell biology to assess where proteins are within a cell as a function of time and provide insight into intracellular…”
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15
C-reactive protein (CRP) aptamer binds to monomeric but not pentameric form of CRP
Published in Analytical and bioanalytical chemistry (01-09-2011)“…Native C-reactive protein (CRP) is composed of five identical subunits arranged in a pentameric structure (pCRP). Binding of pCRP to damaged cell membranes…”
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Quantification of phosphatidic acid sorting in curved membranes using tubulated bilayers
Published in Biophysical journal (11-02-2022)Get full text
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A Membrane Tubule Bilayer Assay for Curvature Sorting of Phosphatidic Acid
Published in Biophysical journal (07-02-2020)Get full text
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18
Direct measurement of relative and collective diffusion in a dilute binary colloidal suspension
Published in The Journal of chemical physics (15-06-2005)“…Experimental characterization of the dynamics of multicomponent fluids is a problem of general importance to the field of complex fluids. We demonstrate a new…”
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Dynamics of Syntaxin at sites of constitutive and stimulated fusion
Published in Biophysical journal (11-02-2022)Get full text
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20
Exosome secretion kinetics are controlled by tethering and temperature
Published in Biophysical journal (11-02-2022)Get full text
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