Search Results - "Alexander‐Katz, Alfredo"

Solvent Remodeling in Single‐Chain Amphiphilic Heteropolymer Systems by Hilburg, Shayna L., Alexander‐Katz, Alfredo

“…This work demonstrates the remodeling of single‐chain nanoparticles (SCNPs) upon a transition to organic solvent through molecular dynamics simulations…”
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Nanoparticle Assembly in High Polymer Concentration Solutions Increases Superlattice Stability by Lee, Margaret S., Alexander‐Katz, Alfredo, Macfarlane, Robert J.

“…Polymer nanocomposites are made by combining a nanoscale filler with a polymer matrix, where polymer‐particle interactions can enhance matrix properties and…”
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Machine Learning Predictions of Block Copolymer Self‐Assembly by Tu, Kun‐Hua, Huang, Hejin, Lee, Sangho, Lee, Wonmoo, Sun, Zehao, Alexander‐Katz, Alfredo, Ross, Caroline A.

“…Directed self‐assembly of block copolymers is a key enabler for nanofabrication of devices with sub‐10 nm feature sizes, allowing patterning far below the…”
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Imparting Superhydrophobicity with a Hierarchical Block Copolymer Coating by Cheng, Li‐Chen, Simonaitis, John W., Gadelrab, Karim R., Tahir, Mukarram, Ding, Yi, Alexander‐Katz, Alfredo, Ross, Caroline A.

“…A robust and transparent silica‐like coating that imparts superhydrophobicity to a surface through its hierarchical multilevel self‐assembled structure is…”
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3D TEM Tomography of Templated Bilayer Films of Block Copolymers by Gotrik, Kevin W., Lam, Thomas, Hannon, Adam F., Bai, Wubin, Ding, Yi, Winterstein, Jonathan, Alexander-Katz, Alfredo, Liddle, J. Alexander, Ross, Caroline A.

“…Transmission electron microscope (TEM) tomography was used to visualize the morphology and 3D connectivity of a lithographically templated, self‐assembled…”
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Multivalent polymers can control phase boundary, dynamics, and organization of liquid-liquid phase separation by Zumbro, Emiko, Alexander-Katz, Alfredo

“…Multivalent polymers are a key structural component of many biocondensates. When interacting with their cognate binding proteins, multivalent polymers such as…”
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Hierarchical Nanostructures by Sequential Self-Assembly of Styrene-Dimethylsiloxane Block Copolymers of Different Periods by Son, Jeong Gon, Hannon, Adam F., Gotrik, Kevin W., Alexander-Katz, Alfredo, Ross, Caroline A.

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Universal Cyclic Topology in Polymer Networks by Wang, Rui, Alexander-Katz, Alfredo, Johnson, Jeremiah A, Olsen, Bradley D

“…Polymer networks invariably possess topological defects: loops of different orders which have profound effects on network properties. Here, we demonstrate that…”
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Directed self-assembly of a two-state block copolymer system by Do, Hyung Wan, Choi, Hong Kyoon, Gadelrab, Karim R., Chang, Jae-Byum, Alexander-Katz, Alfredo, Ross, Caroline A., Berggren, Karl K.

“…In this work, ladder-shaped block copolymer structures consisting of parallel bars, bends, and T-junctions are formed inside square confinement. We define…”
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Lipid Flip‐Flop and Pore Nucleation on Zwitterionic Bilayers are Asymmetric under Ionic Imbalance by Lin, Jiaqi, Dargazany, Roozbeh, Alexander‐Katz, Alfredo

“…Lipid flip‐flop and its associated transient pore formation are key thermodynamic properties of living cell membranes. However, there is a lack of…”
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Graft-through Synthesis and Assembly of Janus Bottlebrush Polymers from A-Branch-B Diblock Macromonomers by Kawamoto, Ken, Zhong, Mingjiang, Gadelrab, Karim R, Cheng, Li-Chen, Ross, Caroline A, Alexander-Katz, Alfredo, Johnson, Jeremiah A

“…We report the synthesis of Janus bottlebrush block copolymers by graft-through polymerization of branched diblock macromonomers. Self-assembly of the…”
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Energy landscape for the insertion of amphiphilic nanoparticles into lipid membranes: A computational study by Van Lehn, Reid C, Alexander-Katz, Alfredo

“…Amphiphilic, monolayer-protected gold nanoparticles (NPs) have been shown to enter cells via a non-endocytic, non-disruptive pathway that could be valuable for…”
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Self-Directed Self-Assembly of 3D Tailored Block Copolymer Nanostructures by Huang, Hejin, Liu, Runze, Ross, Caroline A, Alexander-Katz, Alfredo

“…Directed self-assembly (DSA) of block copolymers (BCPs) provides a powerful tool to fabricate various 2D nanostructures. However, it still remains a challenge…”
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Morphology Control in Block Copolymer Films Using Mixed Solvent Vapors by Gotrik, Kevin W, Hannon, Adam F, Son, Jeong Gon, Keller, Brent, Alexander-Katz, Alfredo, Ross, Caroline A

“…Solvent vapor annealing of block copolymer thin films can produce a range of morphologies different from the equilibrium bulk morphology. By systematically…”
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Templated Self-Assembly of a PS-Branch-PDMS Bottlebrush Copolymer by Cheng, Li-Chen, Gadelrab, Karim R, Kawamoto, Ken, Yager, Kevin G, Johnson, Jeremiah A, Alexander-Katz, Alfredo, Ross, Caroline A

“…The self-assembly of block copolymers (BCPs) with novel architectures offers tremendous opportunities in nanoscale patterning and fabrication. Here, the thin…”
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Controlled Surface-Induced Flows from the Motion of Self-Assembled Colloidal Walkers by Sing, Charles E., Schmid, Lothar, Schneider, Matthias F., Franke, Thomas, Alexander-Katz, Alfredo, Lubensky, Tom C.

“…Biological flows at the microscopic scale are important for the transport of nutrients, locomotion, and differentiation. Here, we present a unique approach for…”
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Unraveling the complexity of amyloid polymorphism using gold nanoparticles and cryo-EM by Cendrowska, Urszula, Silva, Paulo Jacob, Ait-Bouziad, Nadine, Müller, Marie, Guven, Zekiye Pelin, Vieweg, Sophie, Chiki, Anass, Radamaker, Lynn, Kumar, Senthil T., Fändrich, Marcus, Tavanti, Francesco, Menziani, Maria Cristina, Alexander-Katz, Alfredo, Stellacci, Francesco, Lashuel, Hilal A.

“…Increasing evidence suggests that amyloid polymorphism gives rise to different strains of amyloids with distinct toxicities and pathologyspreading properties…”
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Multilayer block copolymer meshes by orthogonal self-assembly by Tavakkoli K. G., Amir, Nicaise, Samuel M., Gadelrab, Karim R., Alexander-Katz, Alfredo, Ross, Caroline A., Berggren, Karl K.

“…Continued scaling-down of lithographic-pattern feature sizes has brought templated self-assembly of block copolymers (BCPs) into the forefront of…”
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Influence of Binding Site Affinity Patterns on Binding of Multivalent Polymers by Zumbro, Emiko, Alexander-Katz, Alfredo

“…Using inspiration from biology, we can leverage multivalent binding interactions to enhance weak, monovalent binding between molecules. While most previous…”
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Ligand-Mediated Short-Range Attraction Drives Aggregation of Charged Monolayer-Protected Gold Nanoparticles by Van Lehn, Reid C, Alexander-Katz, Alfredo

“…Monolayer-protected gold nanoparticles (AuNPs) are a promising new class of nanomaterials with applications in drug delivery, self-assembly, and biosensing…”
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