Browsing MIT Open Access Articles by Title
Now showing items 32450-32469 of 55821
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The N $$ \mathcal{N} $$ = 2 prepotential and the sphere free energy
(Springer Berlin Heidelberg, 2022-06-08)Abstract We study the mass-deformed sphere free energy of three-dimensional N ... -
N -Heterocyclic carbene–carbodiimide (NHC–CDI) betaine adducts: synthesis, characterization, properties, and applications
(Royal Society of Chemistry (RSC), 2021)N-Heterocyclic carbenes (NHCs) are an important class of reactive organic molecules used as ligands, organocatalysts, and σ-donors in a variety of electroneutral ylide or betaine adducts with main-group compounds. An ... -
N = 1 sigma models in AdS[subscript 4]
(Springer-Verlag, 2011-12)We study sigma models in AdS4 with global N = 1 supersymmetry and find that they differ significantly from their flat-space cousins — the target space is constrained to be a K¨ahler manifold with an exact K¨ahler form, ... -
N = 4 superconformal bootstrap of the K[subscript 3] CFT
(Springer Berlin Heidelberg, 2017-05)We study two-dimensional (4, 4) superconformal field theories of central charge c = 6, corresponding to nonlinear sigma models on K[subscript 3] surfaces, using the superconformal bootstrap. This is made possible through ... -
The N = 8 superconformal bootstrap in three dimensions
(Springer-Verlag, 2014-09)We analyze the constraints imposed by unitarity and crossing symmetry on the four-point function of the stress-tensor multiplet of N=8 superconformal field theories in three dimensions. We first derive the superconformal ... -
¹⁵N and ¹H Solid-State NMR Investigation of a Canonical Low-Barrier Hydrogen-Bond Compound: 1,8-Bis(dimethylamino)naphthalene
(American Chemical Society (ACS), 2017-06-29)Strong or low-barrier hydrogen bonds have often been proposed in proteins to explain enzyme catalysis and proton-transfer reactions. So far ¹H chemical shifts and scalar couplings have been used as the main NMR spectroscopic ... -
N domain of the Lon AAA+ protease controls assembly and substrate choice
(Wiley, 2018-12-20) -
N Jettiness: An Inclusive Event Shape to Veto Jets
(American Physical Society, 2010-08)Jet vetoes are essential in many analyses at the LHC and Tevatron. Typical signals have a specific number of hard jets or leptons, while backgrounds have additional jets. Vetoing undesired jets efficiently discriminates ... -
An n →π* Interaction in the Bound Substrate of Aspartic Proteases Replicates the Oxyanion Hole
(American Chemical Society (ACS), 2019-02)Aspartic proteases regulate many biological processes and are prominent targets for therapeutic intervention. Structural studies have captured intermediates along the reaction pathway, including the Michaelis complex and ... -
n →π* Interactions Modulate the Disulfide Reduction Potential of Epidithiodiketopiperazines
(American Chemical Society (ACS), 2020)Copyright © 2020 American Chemical Society. Epithiodiketopiperazines (ETPs) are a structurally complex class of fungal natural products with potent anticancer activity. In ETPs, the diketopiperazine ring is spanned by a ... -
n →π* Interactions Modulate the Disulfide Reduction Potential of Epidithiodiketopiperazines
(American Chemical Society (ACS), 2020-09)Copyright © 2020 American Chemical Society. Epithiodiketopiperazines (ETPs) are a structurally complex class of fungal natural products with potent anticancer activity. In ETPs, the diketopiperazine ring is spanned by a ... -
n →π* Interactions Modulate the Properties of Cysteine Residues and Disulfide Bonds in Proteins
(American Chemical Society (ACS), 2018-12)Noncovalent interactions are ubiquitous in biology, taking on roles that include stabilizing the conformation of and assembling biomolecules, and providing an optimal environment for enzymatic catalysis. Here, we describe ... -
n-Excisive functors, canonical connections, and line bundles on the Ran space
(Springer International Publishing, 2021-01-05)Abstract Let X be a smooth algebraic variety over k. We prove that any flat quasicoherent sheaf on $${\text {Ran}}(X)$$ ... -
n-Excisive functors, canonical connections, and line bundles on the Ran space
(Springer International Publishing, 2021-01-05)Abstract Let X be a smooth algebraic variety over k. We prove that any flat quasicoherent sheaf on $${\text {Ran}}(X)$$ ... -
N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology
(Institute of Electrical and Electronics Engineers, 2009-01)We present a new method to fabricate N-face GaN/AlGaN high electron mobility transistors (HEMTs). These devices are extremely promising for ultrahigh frequency applications where low contact resistances and excellent carrier ... -
N-jettiness beam functions at N3LO
(Springer Berlin Heidelberg, 2020-09-22)Abstract We present the first complete calculation for the quark and gluon N-jettiness ( ... -
N-jettiness beam functions at N3LO
(Springer Berlin Heidelberg, 2020-09-22)Abstract We present the first complete calculation for the quark and gluon N-jettiness ( ... -
N-jettiness subtractions for gg → H at subleading power
(American Physical Society, 2018-01)N-jettiness subtractions provide a general approach for performing fully-differential next-to-next-to-leading order (NNLO) calculations. Since they are based on the physical resolution variable N-jettiness, T[subscript N], ... -
N-Linked Glycans Are Assembled on Highly Reduced Dolichol Phosphate Carriers in the Hyperthermophilic Archaea Pyrococcus furiosus
(Public Library of Science, 2015-06)In all three domains of life, N-glycosylation begins with the assembly of glycans on phosphorylated polyisoprenoid carriers. Like eukaryotes, archaea also utilize phosphorylated dolichol for this role, yet whereas the ... -
N-methyl d-Aspartate Channels Link Ammonia and Epithelial Cell Death Mechanisms in Helicobacter pylori Infection
(Elsevier BV, 2011-09)Background & Aims: Helicobacter pylori infection is a risk factor for gastric cancer. Ammonia/ammonium (A/A) is a cytotoxin generated by H pylori that kills gastric epithelial cells. We investigated whether A/A cytotoxicity ...
