Results 41 to 50 of about 209,611 (271)

Quantum confined electronic states in atomically well-defined graphene nanostructures

open access: yes, 2011
Despite the enormous interest in the properties of graphene and the potential of graphene nanostructures in electronic applications, the study of quantum confined states in atomically well-defined graphene nanostructures remains an experimental challenge.
Boneschanscher, Mark P.   +7 more
core   +1 more source

Computer simulation of the phase diagram for a fluid confined in a fractal and disordered porous material

open access: yes, 2004
We present a grand canonical Monte Carlo simulation study of the phase diagram of a Lennard-Jones fluid adsorbed in a fractal and highly porous aerogel.
De Grandis, V., Gallo, P., Rovere, M.
core   +1 more source

Variations in lithium vapor cave performance predictions due to radial transport and recycling assumptions

open access: yesNuclear Fusion
The lithium vapor cave is a detached divertor design that uses a single private flux region baffle to contain a dense cloud of lithium vapor to dissipate heat flux.
E.D. Emdee   +3 more
doaj   +1 more source

Quasi-static vapor pressure measurements on reactive systems in inert atmosphere box [PDF]

open access: yes, 1968
Apparatus makes vapor pressure measurements on air-sensitive systems in an inert atmosphere glove box. Once the apparatus is loaded with the sample and all connections made, all measuring operations may be performed outside the box.
Fischer, A. K.
core   +1 more source

Water vapor pressure deficit in Portugal and implications for the development of the invasive African citrus psyllid trioza erytreae [PDF]

open access: yes, 2020
African citrus psyllid (Trioza erytreae (Del Guercio)) is a vector insect of the bacterium Candidatus Liberibacter africanus, the putative causal agent of Huanglongbing, the most devastating citrus disease in the world.
Cota, Tânia   +5 more
core   +2 more sources

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Pomegranate peel polyphenols as an antioxidant additive for the development and characterization of a new active pectin edible film

open access: yeseFood, 2023
Natural origin products are an appealing substitute for nonbiodegradable materials in the production of new materials to improve the packaging properties and to extend the shelf life quality of foods.
Rene Diaz‐Herrera   +6 more
doaj   +1 more source

Convergent strand array liquid pumping system [PDF]

open access: yes, 1989
A surface-tension liquid pumping system is provided by one or more arrays of converging solid monofilament fibers or metal wires (strands) spaced apart at an input end to gather liquid, and gathered close together at the opposite end where menisci forms ...
Collins, Earl R., Jr.
core   +1 more source

Bubble Lift-off Size in Forced Convective Subcooled Boiling Flow [PDF]

open access: yes, 2005
Forced convective subcooled boiling flow experiments were conducted in a BWR-scaled vertical upward annular channel. Water was used as the testing fluid, and the tests were performed at atmospheric pressure.
Al-Hayes   +28 more
core   +2 more sources

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

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