Search Results - "Beltramo, Peter J"

Millimeter-area, free standing, phospholipid bilayers by Beltramo, Peter J, Van Hooghten, Rob, Vermant, Jan

“…Minimal model biomembrane studies have the potential to unlock the fundamental mechanisms of cellular function that govern the processes upon which life…”
Get more information

Molecular, Local, and Network-Level Basis for the Enhanced Stiffness of Hydrogel Networks Formed from Coassembled Racemic Peptides: Predictions from Pauling and Corey by Nagy-Smith, Katelyn, Beltramo, Peter J, Moore, Eric, Tycko, Robert, Furst, Eric M, Schneider, Joel P

“…Hydrogels prepared from self-assembling peptides are promising materials for medical applications, and using both l- and d-peptide isomers in a gel’s…”
Get full text

Colloidal Switches by Electric and Magnetic Fields by Demirörs, Ahmet Faik, Beltramo, Peter J, Vutukuri, Hanumantha Rao

“…External electric and magnetic fields have already been proven to be a versatile tool to control the particle assembly; however, the degree of control of the…”
Get full text

Determining the Bending Rigidity of Free-Standing Planar Phospholipid Bilayers by Zabala-Ferrera, Oscar, Liu, Paige, Beltramo, Peter J

“…We describe a method to determine membrane bending rigidity from capacitance measurements on large area, free-standing, planar, biomembranes. The bending…”
Get full text

Encapsulation of Inorganic Nanoparticles by Anionic Emulsion Polymerization of Diethyl Methylene Malonate for Developing Hybrid Microparticles with Tailorable Composition by Joshi, Shreyas, Klier, John, Beltramo, Peter J.

“…Colloidal particle self-assembly into higher-ordered structures has been of great interest due to the promise of creating metamaterials with novel macroscopic…”
Get full text

Simple Optical Imaging of Nanoscale Features in Free-Standing Films by Beltramo, Peter J, Vermant, Jan

“…Measuring thicknesses in thin films with high spatial and temporal resolution is of prime importance for understanding the structure and dynamics in thin films…”
Get full text

Adsorption of Homopolypeptides on Gold Investigated Using Atomistic Molecular Dynamics by Vila Verde, Ana, Beltramo, Peter J., Maranas, Janna K.

“…We investigate the role of dynamics on adsorption of peptides to gold surfaces using all-atom molecular dynamics simulations in explicit solvent. We choose six…”
Get full text

Transition from Dilute to Concentrated Electrokinetic Behavior in the Dielectric Spectra of a Colloidal Suspension by Beltramo, Peter J, Furst, Eric M

“…Dielectric spectroscopy is used to measure the complex permittivity of 200 and 100 nm diameter polystyrene latex suspended in potassium chloride (KCl)…”
Get full text

Effects of Ion Concentration and Headgroup Chemistry on Thin Lipid Film Drainage by Zabala-Ferrera, Oscar, Beltramo, Peter J

“…While the use of lipid nanoparticles in drug delivery applications has grown over the past few decades, much work remains to be done toward the…”
Get full text

The Paradoxical Behavior of Rough Colloids at Fluid Interfaces by Rahman, Md Anisur, Beltramo, Peter J.

“…Colloidal particles adsorb and remain trapped at immiscible fluid interfaces due to strong interfacial adsorption energy with a contact angle defined by the…”
Get full text

A Simple, Single-measurement Methodology to Account for Electrode Polarization in the Dielectric Spectra of Colloidal Dispersions by Beltramo, Peter J, Furst, Eric M

“…A single-measurement methodology to produce accurate dielectric spectra is developed and validated by measurements on a dilute aqueous suspension containing 1…”
Get full text

Gradient stretching to produce variable aspect ratio colloidal ellipsoids by Trevenen, Samuel, Beltramo, Peter J.

“…[Display omitted] Developing reliable synthetic methods for producing shape-anisotropic polymer colloids is essential for their use in novel functional…”
Get full text

Toward Realistic Large-Area Cell Membrane Mimics: Excluding Oil, Controlling Composition, and Including Ion Channels by Beltramo, Peter J, Scheidegger, Laura, Vermant, Jan

“…Capacitance measurements provide unique insights into the thickness, compressibility, and composition of large-area membrane bilayers and are used here in…”
Get full text

Domain Size Regulation in Phospholipid Model Membranes Using Oil Molecules and Hybrid Lipids by Scheidegger, Laura, Stricker, Laura, Beltramo, Peter J., Vermant, Jan

“…The formation of domains in multicomponent lipid mixtures has been suggested to play a role in moderating signal transduction in cells. Understanding how…”
Get full text

Fabrication and electromechanical characterization of freestanding asymmetric membranes by Liu, Paige, Zabala-Ferrera, Oscar, Beltramo, Peter J.

“…All biological cell membranes maintain an electric transmembrane potential of around 100 mV, due in part to an asymmetric distribution of charged phospholipids…”
Get full text

Arresting dissolution by interfacial rheology design by Beltramo, Peter J., Gupta, Manish, Alicke, Alexandra, Liascukiene, Irma, Gunes, Deniz Z., Baroud, Charles N., Vermant, Jan

“…A strategy to halt dissolution of particle-coated air bubbles in water based on interfacial rheology design is presented. Whereas previously a dense monolayer…”
Get full text

Nanoscale Porosity in Microellipsoids Cloaks Interparticle Capillary Attraction at Fluid Interfaces by Trevenen, Samuel, Rahman, Md Anisur, Hamilton, Heather S.C., Ribbe, Alexander E., Bradley, Laura C., Beltramo, Peter J.

“…Anisotropic particles pinned at fluid interfaces tend toward disordered multiparticle configurations due to large, orientationally dependent, capillary forces,…”
Get full text

Anisotropic hypersonic phonon propagation in films of aligned ellipsoids by Beltramo, Peter J, Schneider, Dirk, Fytas, George, Furst, Eric M

“…A material with anisotropic elastic mechanical properties and a direction-dependent hypersonic band gap is fabricated using ac electric field-directed…”
Get full text

Engineering the surface patchiness and topography of polystyrene colloids: From spheres to ellipsoids by Anisur Rahman, Md, Turner, Taina, Hamilton, Heather S.C., Bradley, Laura C., Beltramo, Peter J.

“…[Display omitted] Colloidal surface morphology determines suspension properties and applications. While existing methods are effective at generating specific…”
Get full text

Rough colloids at fluid interfaces: from fundamental science to applications by Rahman, Md Anisur, Beltramo, Peter J.

“…Colloidal particles pinned to fluid interfaces have applications ranging from Pickering emulsions and foams to the development of 2D materials via…”
Get full text