Results 31 to 40 of about 113,681 (310)

Direct-Writing Electrospun Functionalized Scaffolds for Periodontal Regeneration: In Vitro Studies

open access: yesJournal of Functional Biomaterials, 2023
Multiphasic scaffolds that combine different architectural, physical, and biological properties are the best option for the regeneration of complex tissues such as the periodontium.
Laura Bourdon   +6 more
doaj   +1 more source

Bifunctional Iminophosphorane-Catalyzed Enantioselective Nitroalkane Addition to Unactivated α,β-Unsaturated Esters [PDF]

open access: yes, 2022
Herein we describe the enantioselective conjugate addition of nitroalkanes to unactivated α,β-un-saturated esters, catalyzed by a bifunctional iminophosphorane (BIMP) superbase.
Darren J., Dixon   +3 more
core   +2 more sources

RETRACTED: Nanostructured Nickel Nitride with Reduced Graphene Oxide Composite Bifunctional Electrocatalysts for an Efficient Water-Urea Splitting

open access: yesNanomaterials, 2019
A three-dimensional nickel nitride with reduced graphene oxide composite on nickel foam (s-X, where s represents Ni3N/rGO@NF and the annealing temperature X can be 320, 350, or 380) electrode has been fabricated through a facile method.
Feng Wang   +5 more
doaj   +1 more source

Bifunctional Iminophosphorane Catalyzed Enantioselective Sulfa-Michael Addition to Unactivated α,β-Unsaturated Amides [PDF]

open access: yes, 2021
The first metal-free catalytic intermolecular enantioselective sulfa-Michael addition to unactivated α,β- unsaturated amides is described. Consistently high enantiomeric excesses, and yields were obtained over a wide range of alkyl thiol pronucleophiles ...
Trevor, Hamlin   +4 more
core   +2 more sources

The Characterization and Modification of a Novel Bifunctional and Robust Alginate Lyase Derived from Marinimicrobium sp. H1

open access: yesMarine Drugs, 2019
Alginase lyase is an important enzyme for the preparation of alginate oligosaccharides (AOS), that possess special biological activities and is widely used in various fields, such as medicine, food, and chemical industry.
Junjun Yan   +7 more
doaj   +1 more source

Access to Spirooxindole-fused Cyclopentanes via Stereoselective Organocascade Reaction using Bifunctional Catalysis [PDF]

open access: yes, 2022
The present study reports an asymmetric organocascade reaction of oxindole-derived alkenes with 3-bromo-1-nitropropane efficiently catalyzed by the bifunctional catalyst. Spirooxindole-fused cyclopentanes were produced in moderate-to-good isolated yields
Simona, Petrželová   +4 more
core   +2 more sources

Identification and Characterization of a Novel Hyperthermostable Bifunctional Cellobiohydrolase- Xylanase Enzyme for Synergistic Effect With Commercial Cellulase on Pretreated Wheat Straw Degradation

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
The novel cellobiohydrolase gene ctcel7 was identified from Chaetomium thermophilum, and its recombinant protein CtCel7, a member of glycoside hydrolase family 7, was heterologously expressed in Pichia pastoris and biochemically characterized.
Chao Han   +5 more
doaj   +1 more source

A Review of Biomaterials Based on High-Entropy Alloys

open access: yesMetals, 2022
Due to its great amount of microstructure and property possibilities as well as its high thermodynamic stability and superior mechanical performance, the new class of material known as high-entropy alloys (HEAs) has aroused great interest in the research
Thiago Gonçalves de Oliveira   +4 more
doaj   +1 more source

Carbofluorination of Alkenes with gem-Difluorinated Cyclopropanes as Bifunctional Reagents Enabled by Well-Define Rhodium Catalysts [PDF]

open access: yes, 2023
Herein, we report a Rh-catalyzed carbofluorination of alkenes using gem-difluorinated cyclopropanes as bifunctional reagents. The developed method tolerates a wide range of alkenes, providing access to secondary, tertiary fluorides and gem-difluorides ...
Ying, Xia   +5 more
core   +2 more sources

Thiosemicarbazone- and Thiourea-Functionalized Calix[4]arenes in cone and 1,3-alternate Conformations: Receptors for the Recognition of Ions

open access: yesChemosensors
In this research we have synthesized and evaluated five calix[4]arene-based receptors functionalized with thiosemicarbazone or thiourea groups, incorporating pyridinyl naphthalene or triazolopyridine chromophores in 1,3-alternate, pinched cone and cone ...
Andrés Ochoa   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy