A Companion to U.S. Foreign Relations: Colonial Era to the Present
Covers the entire range of the history of U.S. foreign relations from the colonial period to the beginning of the 21st century. A Companion to U.S. Foreign Relations is an authoritative guide to past and present scholarship on the history of American diplomacy and foreign relations from its seventeenth century origins to the modern day. This two-volume reference work presents a collection of historiographical essays by prominent scholars. The essays Read More... |
Spectroscopic investigations under whole-cell conditions provide new insight into the metal hydride chemistry of [FeFe]-hydrogenase
DOI: 10.1039/D0SC00512F, Edge Article
The mechanism of hydrogen gas formation by [FeFe] hydrogenase is probed under whole cell conditions, revealing the formation of reactive metal hydride species under physiologically relevant conditions.
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Retrosynthetic strategies and their impact on synthesis of arcutane natural products
DOI: 10.1039/D0SC01441A, Minireview
Decisions, decisions, decisions: the interplay between different retrosynthetic strategies in the synthesis of the highly bridged, polycyclic arcutane natural products.
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The assemble, grow and lift-off (AGLO) strategy to construct complex gold nanostructures with pre-designed morphologies
DOI: 10.1039/D0SC00553C, Edge Article
The AGLO strategy generates complex gold nanostructures with user-designed morphologies in solution, using only a simple 2D DNA origami sheet as a versatile transient template. The products are robust and stable as standalone gold nanostructures.
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Aerosol-assisted route to low-E transparent conductive gallium-doped zinc oxide coatings from pre-organized and halogen-free precursor
DOI: 10.1039/D0SC00502A, Edge Article
A pre-organised and halogen-free ZnO precursor is used to deposit GZO coatings via aerosol-assisted CVD with properties that exceed industrial standards for low-E coatings and photovoltaics.
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Transformation from helical to layered supramolecular organization of asymmetric perylene diimides via multiple intermolecular hydrogen bonding
DOI: 10.1039/D0SC01911A, Edge Article
The solid-state supramolecular organization of asymmetric perylene diimide is transformed from helical to layered self-assembly after thermal annealing.
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Programmable synthesis of multiply arylated cubanes through C–H metalation and arylation
DOI: 10.1039/D0SC01909G, Edge Article
Cubane has attracted attention due to its unique 3D structure. Herein, we report the programmable synthesis of multiply arylated cubanes. The developed reaction allows the late-stage and regioselective installation of aryl groups.
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A straightforward approach to antibodies recognising cancer specific glycopeptidic neoepitopes
DOI: 10.1039/D0SC00317D, Edge Article
We developed new class of designated antibodies targeting of “dynamic neoepitopes” elaborated by disease-specific O-glycosylation at the immunodominant mucin domains.
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Ring-Fused Cyclobutanes via Cycloisomerization of Alkylidenecyclopropane Acylsilanes
DOI: 10.1039/D0SC02224A, Edge Article
A novel Lewis acid-catalyzed cycloisomerization of alkylidenecyclopropane acylsilanes is disclosed. The readily available starting materials participate in tandem Prins addition/ring expansion/1,2-silyl shift to grant access to bicyclo[4.2.0]octanes and bicyclo[3.2.0]heptanes, which...
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Protease-Responsive Mass Barcoded Nanotranslaters for Simultaneously Quantifying the Intracellular Activity of Cascaded Caspases in Apoptosis Pathways
DOI: 10.1039/D0SC01534B, Edge Article
Quantitatively delineating the activation network of multiple proteases that participate in cellular processes is highly essential to understanding physiological and pathological states of cells. In this study, protease-responsive mass barcoded...
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Structure and redox tuning of gas adsorption properties in calixarene-supported Fe(II)-based porous cages
DOI: 10.1039/D0SC01833C, Edge Article
We describe the synthesis of Fe(II)-based octahedral coordination cages supported by calixarene capping ligands. The most porous of these molecular cages has an argon accessible BET surface area of 898...
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Asymmetric synthesis of primary amines catalyzed by thermotolerant fungal reductive aminases
DOI: 10.1039/D0SC02253E, Edge Article
Fungal reductive aminases as effective biocatalysts for the preparation of chiral primary amines.
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Rapidly Self-deoxygenating Controlled Radical Polymerization in water via in-situ Disproportionation of Cu(I)
DOI: 10.1039/D0SC01512A, Edge Article
The first rapidly self-deoxygenating Cu-RDRP in aqueous media is investigated. The disproportionation of Cu(I)/Me6Tren in water towards Cu(II) and highly reactive Cu(0) leads to O2-free reaction environments within the first...
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Biofunctional Janus Particles Promote Phagocytosis of Tumor Cells by Macrophages
DOI: 10.1039/D0SC01146K, Edge Article
Herein, a versatile strategy for the construction of biofunctional Janus particles (JPs) through the combination of Pickering emulsion and copper-free click chemistry is developed for the study of particle-mediated cell-cell interactions. A...
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Redox-responsive supramolecular polymeric networks having double-threaded inclusion complexes
DOI: 10.1039/C9SC05589D, Edge Article
A hydrogel actuator with a 1:2 host–guest complex controlled by redox stimuli has been developed to realize faster and larger deformation.
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General and selective synthesis of primary amines using Ni-based homogeneous catalysts
DOI: 10.1039/D0SC01084G, Edge Article
A Ni-triphos based homogeneous catalyst enabled the synthesis of all kinds of primary amines by reductive amination of carbonyl compounds with ammonia and hydrogenation of nitroarenes.
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An RGB-emitting molecular cocktail for the detection of bacterial fingerprints
DOI: 10.1039/D0SC01704C, Edge Article
A technique named the Microcolor system was developed to detect microbes and diagnose diseases based on changes in microbiota signatures.
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Solid-state NMR spectroscopy: an advancing tool to analyse the structure and properties of metal–organic frameworks
DOI: 10.1039/D0SC00735H, Minireview
Metal–organic frameworks (MOFs) gain increasing interest due to their outstanding properties like extremely high porosity, structural variability, and various possibilities for functionalization.
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A pH ratiometrically responsive surface enhanced resonance Raman scattering probe for tumor acidic margin delineation and image-guided surgery
DOI: 10.1039/D0SC00844C, Edge Article
A novel pH ratiometrically responsive surface-enhanced resonance Raman scattering (SERRS) probe was developed for tumor acidic margin delineation and image-guided surgery.
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The structures of ordered defects in thiocyanate analogues of Prussian Blue
DOI: 10.1039/D0SC01246G, Edge Article
We report the structures of six new divalent transition metal hexathiocyanatobismuthate Prussian Blue analogues frameworks, which contain complex ordered defect structures.
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Self-assembly of reversed bilayer vesicles through pnictogen bonding: water-stable supramolecular nanocontainers for organic solvents
DOI: 10.1039/D0SC00206B, Edge Article
A new air and moisture stable antimony thiolate compound has been prepared that spontaneously forms stable hollow vesicles.
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Machine-enabled inverse design of inorganic solid materials: promises and challenges
DOI: 10.1039/D0SC00594K, Minireview
The grand challenge of materials science, discovery of novel materials with target properties, can be greatly accelerated by machine-learned inverse design strategies.
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Correction: Metal complexes as a promising source for new antibiotics
DOI: 10.1039/D0SC90075C, Correction
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Self-enhanced multicolor electrochemiluminescence by competitive electron-transfer processes
DOI: 10.1039/D0SC00853B, Edge Article
Controlling electrochemiluminescence (ECL) color(s) is crucial for many applications ranging from multiplexed bioassays to ECL microscopy.
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Multifunctional streptavidin–biotin conjugates with precise stoichiometries
DOI: 10.1039/D0SC01589J, Edge Article
Multifunctional streptavidin-biotin conjugates with defined stoichiometry and number of open binding pockets provide molecularly precise alternatives to the statistical mixture of products that typically forms.
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Small-molecule fluorescent probes for imaging gaseous signaling molecules: current progress and future implications
DOI: 10.1039/D0SC01482F, Perspective
This perspective article aims to introduce the design principles and recognition strategies of small-molecule fluorescent probes which are applied for the detection of gas signaling molecules including NO, CO and H2S in biological systems.
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Functional group interaction profiles: a general treatment of solvent effects on non-covalent interactions
DOI: 10.1039/D0SC01288B, Edge Article
Functional group interaction profiles are a quantitative tool for predicting the effect of solvent on the free energy changes associated with non-covalent interactions.
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A highly stable RNA aptamer probe for the retinoblastoma protein in live cells
DOI: 10.1039/D0SC01613F, Edge Article
An RNA G-quadruplex aptamer, specific for the human retinoblastoma protein (RB) and highly stable inside cells, is selected and its application to live cell probing of the protein illustrated.
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Synthesis and properties of hypervalent electron-rich pentacoordinate nitrogen compounds
DOI: 10.1039/D0SC00002G, Edge Article
Structural characterization of hypervalent electron-rich pentacoordinate nitrogen species has long been a synthetic challenge. Here we report the first nitrogen cationic radical (11-N-5) species featuring a weak hypervalent 3c-5e interaction.
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Determination of protein-ligand binding modes using fast multi-dimensional NMR with hyperpolarization
DOI: 10.1039/D0SC00266F, Edge Article
Elucidation of small molecule-protein interactions provides essential information for understanding biological processes such as cellular signaling, as well as for rational drug development. Here, multi-dimensional NMR with sensitivity enhancement by...
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Quinone Methide Dimers Lacking Labile Hydrogen Atoms Are Surprisingly Excellent Radical-Trapping Antioxidants
DOI: 10.1039/D0SC02020F, Edge Article
Hydrogen atom transfer (HAT) is the mechanism by which the vast majority of radical-trapping antioxidants (RTAs), such as hindered phenols, inhibit autoxidation. As such, at least one weak O–H bond...
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Synthesis of unstrained Criegee intermediates: inverse α-effect and other protective stereoelectronic forces can stop Baeyer-Villiger rearrangement of γ-hydroperoxy-γ-peroxylactones
DOI: 10.1039/D0SC01025A, Edge Article
How far can we push the limits in removing stereoelectronic protection from an unstable intermediate? We address this question by exploring the interplay between the primary and secondary stereoelectronic effects...
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It's not the right stage to put differential premium on banks: Finance Secy
Finance minister had announced hiking the deposit insurance limit to Rs 5 lakh for each bank depositor
YES Bank okays board reconstitution; Prashant Kumar to be new MD & CEO
The other board members will be Sunil Mehta, former non-executive chairman of Punjab National Bank, as the non executive chairman of YES Bank
'Procure TrueNat machines for speedy corona test'
CM Nitish Kumar on Thursday ordered expeditious procurement of TrueNat machines and their installation in all district hospitals for speedy coronavirus test results. The machine yields the result in less than an hour if it is negative, and in the case of positive case, it requires cross-checking with the other method.