Search Results - "Joseph, Dennis"

The Quest for the Ideal Base: Rational Design of a Nickel Precatalyst Enables Mild, Homogeneous C–N Cross-Coupling by Liu, Richard Y, Dennis, Joseph M, Buchwald, Stephen L

“…Palladium-catalyzed amination reactions using soluble organic bases have provided a solution to the many issues associated with heterogeneous reaction…”
Get full text

Breaking the Base Barrier: An Electron-Deficient Palladium Catalyst Enables the Use of a Common Soluble Base in C–N Coupling by Dennis, Joseph M, White, Nicholas A, Liu, Richard Y, Buchwald, Stephen L

“…Due to the low intrinsic acidity of amines, palladium-catalyzed C–N cross-coupling has been plagued continuously by the necessity to employ strong, inorganic,…”
Get full text

Hebbian Learning on Small Data Enables Experimental Discovery of High T g Polyimides by Dennis, Joseph M, Zubarev, Dmitry Yu

“…We report a study combining computational design and experimental evaluation of polyimides with high glass transition temperatures: T g between 220 °C and 500…”
Get full text

Glassy Dynamics of Epoxy-Amine Thermosets Containing Dynamic, Aromatic Disulfides by Lewis, Broderick, Dennis, Joseph M., Park, Cheol, Shull, Kenneth R.

“…Continued progress in understanding the relaxations and mechanical performance of covalent adaptable networks (CANs) will lead to the further adoption of these…”
Get full text

Nutrient and arsenic biogeochemistry of Sargassum in the western Atlantic by McGillicuddy, Dennis Joseph, Morton, Peter Lynn, Brewton, Rachel Aileen, Hu, Chuanmin, Kelly, Thomas Bryce, Solow, Andrew Robert, Lapointe, Brian Edward

“…The oceanographic ecology of pelagic Sargassum , and the means by which these floating macroalgae thrive in the nutrient-poor waters of the open ocean, have…”
Get full text

Pd-Catalyzed C–N Coupling Reactions Facilitated by Organic Bases: Mechanistic Investigation Leads to Enhanced Reactivity in the Arylation of Weakly Binding Amines by Dennis, Joseph M, White, Nicholas A, Liu, Richard Y, Buchwald, Stephen L

“…The ability to use soluble organic amine bases in Pd-catalyzed C–N cross-coupling reactions has provided a long-awaited solution to the many issues associated…”
Get full text

Amide-containing segmented copolymers by Buckwalter, Daniel J., Dennis, Joseph M., Long, Timothy E.

“…This review highlights the synthesis, physical properties, and emerging technologies of state-of-the-art segmented copolymers containing amide hydrogen bonding…”
Get full text

Doubly Threaded Slide-Ring Polycatenane Networks by Hart, Laura F., Lenart, William R., Hertzog, Jerald E., Oh, Jongwon, Turner, Wilson R., Dennis, Joseph M., Rowan, Stuart J.

“…Crosslinking in polymer networks leads to intrinsic structural inhomogeneities that result in brittle materials. Replacing fixed covalent crosslinks with…”
Get full text

Urea as a monomer for isocyanate-free synthesis of segmented poly(dimethyl siloxane) polyureas by Sirrine, Justin M., Schexnayder, Shantel A., Dennis, Joseph M., Long, Timothy E.

“…Poly(dimethyl siloxane)-containing (PDMS), segmented polyureas represent an important class of high-performance elastomers that leverage the low glass…”
Get full text

Accessing pluripotent materials through tempering of dynamic covalent polymer networks by Boynton, Nicholas R, Dennis, Joseph M, Dolinski, Neil D, Lindberg, Charlie A, Kotula, Anthony P, Grocke, Garrett L, Vivod, Stephanie L, Lenhart, Joseph L, Patel, Shrayesh N, Rowan, Stuart J

“…Pluripotency, which is defined as a system not fixed as to its developmental potentialities, is typically associated with biology and stem cells. Inspired by…”
Get full text

Use of a Droplet Platform To Optimize Pd-Catalyzed C–N Coupling Reactions Promoted by Organic Bases by Baumgartner, Lorenz M, Dennis, Joseph M, White, Nicholas A, Buchwald, Stephen L, Jensen, Klavs F

“…Recent advances in Pd-catalyzed carbon–nitrogen cross-coupling have enabled the use of soluble organic bases instead of insoluble or strong inorganic bases…”
Get full text

Supramolecular Salts for Additive Manufacturing of Polyimides by Arrington, Clay B, Hegde, Maruti, Meenakshisundaram, Viswanath, Dennis, Joseph M, Williams, Christopher B, Long, Timothy E

“…Recent advances in vat photopolymerization (VP) additive manufacturing of fully aromatic polyimides employed photoreactive high-molecular-weight precursors…”
Get full text

Designing Stress-Adaptive Dense Suspensions Using Dynamic Covalent Chemistry by Jackson, Grayson L., Dennis, Joseph M., Dolinski, Neil D., van der Naald, Michael, Kim, Hojin, Eom, Christopher, Rowan, Stuart J., Jaeger, Heinrich M.

“…The non-Newtonian behaviors of dense suspensions are central to their use in technological and industrial applications and arise from a network of…”
Get full text

Rhodium-Catalyzed Interconversion of Quinolinyl Ketones with Boronic Acids via C–C Bond Activation by Dennis, Joseph M, Compagner, Chad T, Dorn, Stanna K, Johnson, Jeffrey B

“…A rhodium-catalyzed cross-coupling of aryl and aliphatic quinolinyl ketones with boronic acids has been developed. Proceeding via quinoline-directed…”
Get full text

Locally invasive classical papillary thyroid carcinoma with TSH receptor I568T mutation: case report by Nguyen, Jay, Joseph, Dennis

“…Autonomous thyroid adenomas are caused by activating mutations in the genes encoding the thyroid-stimulating hormone receptor (TSHR) or mutations in the Gas…”
Get full text

Synthesis and Characterization of Amorphous Bibenzoate (Co)polyesters: Permeability and Rheological Performance by Mondschein, Ryan J, Dennis, Joseph M, Liu, Haoyu, Ramakrishnan, Ramesh K, Nazarenko, Sergei, Turner, S. Richard, Long, Timothy E

“…Melt polycondensation of bibenzoate dimethyl esters with ethylene glycol enabled the synthesis of polyesters containing linear (4,4′-bibenzoate (4,4′BB)) and…”
Get full text

Graves’ disease in an adolescent presenting with increased intracranial pressure and bilateral papilledema by Nguyen, Jay, Joseph, Dennis

“…Summary Increased intracranial pressure (ICP) can present with symptoms of headache, vomiting, visual changes, and tinnitus. Papilledema may be seen on…”
Get full text

Stimuli‐responsive mechanical properties in polymer glasses: challenges and opportunities for defense applications by Dennis, Joseph M, Savage, Alice M, Mrozek, Randy A, Lenhart, Joseph L

“…The potential utility that responsive glasses provide in the areas of aeronautics, protection and unmanned systems is reviewed in this article. The article…”
Get full text

Synthesis and characterization of phosphonated Poly(ethylene terephthalate) ionomers by Ju, Lin, Pretelt, Juan, Chen, Tianran, Dennis, Joseph M., Heifferon, Katherine V., Baird, Donald G., Long, Timothy E., Moore, Robert B.

“…A more efficient route for the synthesis of phosphonated dimethyl isophthalate, disodium salt is shown to provide a significantly higher yield (42%), in…”
Get full text

Utility of immunohistochemical expression of E-cadherin in colorectal carcinoma by Rajkumar, Sharmilla Devi, Gunabooshanam, Barathi, Joseph, Leena Dennis, D'Cruze, Lawrence

“…Reduced expression of E-cadherin, an intercellular junction protein, is associated with differentiation and metastasis of multiple cancers, including…”
Get full text