Sentences with word «mesoporous»
The word "mesoporous" refers to a material or substance that has tiny holes or pores on a small to medium scale. These pores are larger than the ones found in materials described as "microporous" but smaller than those described as "macroporous." Full definition
This greatly simplifies the synthesis of mesoporous materials and is thus expected to become important for industrial up - scaling.
sciencedaily.com
'' [PNNL scientist Eric] Ackerman and colleagues showed that an entrapping environment consisting of functionalized mesoporous silica actually enhances enzyme activity beyond the test - tube levels of free enzymes in solution.
Dr. Jun Liu, who was studying the synthesis of mesoporous materials, got up from his desk and walked next door to see Dr. Glen Fryxell, a synthesis chemist who was focused on a DOE Office of Basic Energy Sciences - funded research on biomimetic coatings.
«Perovskite solar cells: Mesoporous interface mitigates the impact of defects.»
Scientists refer to these as mesoporous structures, to distinguish them from structures that are microporous, having smaller pores, or macroporous, with larger pores.
Tucking ammonia borane in mesoporous silica results in high - quality hydrogen at lower temperatures
Block copolymers (BCPs) are ideal candidates in the structure - directed assembly of mesoporous inorganic materials.
«Biosensing paraoxon in simulated environmental samples by immobilized organophosphorus hydrolase in functionalized mesoporous silica.»
To emulate this, the team made their photonic crystal ink using mesoporous silica nanoparticles, which have a large surface area and strong vapor adsorption capabilities that can be precisely controlled.
The functionality arises from the use of mesoporous alumina as an inert scaffold that structures the absorber and forces electrons to reside in and be transported through the perovskite.
«Characterization of Dispersed Heteropoly Acid on Mesoporous Zeolite Using Solid - State 31P NMR Spin - Lattice Relaxation.»
Tiny biodegradable rod - like structures made from silica, known as mesoporous silica rods (MSRs), can be loaded with biological and chemical drug components and then delivered by needle just underneath the skin.
To engineer an APC - mimetic scaffold, the team first loaded tiny mesoporous silica rods (MSRs) with Interleukin 2 (IL - 2)-- an APC - produced factor that prolongs the survival of associated T cells.
The 2016 TWAS - Lenovo Science Prize was awarded to Zhao Dongyuan, for his pioneering research in the field of ordered mesoporous materials (FDU series) for diverse applications around the world.
Metal - Free Activation of CO2 by Mesoporous Graphitic Carbon Nitride.
Ultralight Mesoporous Magnetic Frameworks by Interfacial Assembly of Prussian Blue Nanocubes by Biao Kong, Jing Tang, Zhangxiong Wu, Jing Wei, Hao Wu, Yongcheng Wang, Prof. Gengfeng Zheng, & Prof. Dongyuan Zhao.
In the journal Angewandte Chemie («Ultralight Mesoporous Magnetic Frameworks by Interfacial Assembly of Prussian Blue Nanocubes»), a team of Chinese and Australian researchers has now introduced a method for the synthesis of ultralight three - dimensional (3D) iron oxide frameworks with two different types of nanoscopic pores and tunable surface properties.
For two classes, catalysis in narrow pores of mesoporous particles and catalysis on metallic surfaces exposed to high pressure, crowding prevents reactants (and products) from moving enough to mix.
Nitrogen - doped mesoporous carbon of extraordinary capacitance for electrochemical energy storage
Environmental Applications of Magnetic Sorbents: natural geosorbents and surfactant - based mesoporous materials for the recovery of persistent organic pollutants and oxyanions
«The structure of mesoporous PrBa0.5Sr0.5Co2 - xFexO5 +?
«Nano - sized mesoporous silica particles have already been established as useful for manipulating individual cells from the inside, but this is the first time that larger particles, in the micron - sized range, are used to create a 3D in vivo scaffold that can recruit and attract tens of millions of immune cells,» said co-lead author Jaeyun Kim, Ph.D., an Assistant Professor of Chemical Engineering at Sungkyunkwan University and a former Wyss Institute Postdoctoral Fellow.
High energy and power density are packed into nitrogen - doped, ordered mesoporous conductive carbon supercapacitors.
«This places the new material in the exclusive class of porous, high surface area materials including mesoporous silica, zeolites, metal organic frameworks, and carbon nanotubes,» says Strømme.
During this work, we investigate factors that influence the mechanical properties of block copolymer - derived mesoporous aluminosilicate network and identify material strategies to promote their long - term stability.
The team found that a dramatic increase of enzyme loading occurred when using FMS compared to using unfunctionalized mesoporous silica and normal porous silica.
Abstract: The research effort in mesoporous p - type semiconductors is increasing due to their potential application in photoelectrochemical energy conversion devices.
Researchers are investigating particles such as self - assembled monolayers on mesoporous supports (SAMMS ™), dendrimers, and carbon nanotubes to determine how to apply their unique chemical and physical properties for various kinds of toxic site remediation.
«With silicatein or other proteins, it would be possible to produce mesoporous materials having a completely uniform pore size and a perfectly periodic arrangement», says Igor Zlotnikov.
[V L Budarin, J H Clark, R Luque, D J Macquarrie, «Versatile mesoporous carbonaceous materials for acid catalysis».
One of the remarkable properties of this material is that it is naturally mesoporous.
When combined with well - established inorganic sol - gel chemistry methods, BCPs enable solution - processing of mesoporous inorganic architectures with controlled porosity, pore sizes and pore arrangement for a broad materials library.
Researchers at Queen's University Belfast have developed a novel green route to convert aluminium foil waste into highly active nano - mesoporous alumina (γ - Al2O3)(designated as ACFL550).
The left image shows a scanning electron micrograph (SEM) of a basic scaffold made of many tiny mesoporous silica rods (MSRs) before they are coated with a thin supported lipid bilayer (SLB) with the incorporated T cell - stimulating cues.
To the research team's surprise, enzymes that should have fizzled months before perked right up when entrapped in a nanomaterial called functionalized mesoporous silica, or FMS.
«Breakthrough antimalarial drug delivery system using mesoporous silica nanoparticles.»
Why it matters: Mesoporous materials have a very high surface - to - volume ratio, large nanoporosity and ordered, uniform pore structure.
This article is in response to a recent spate of journal articles published by Ackerman's team on their characterization of functionalized mesoporous silica (FMS) for protein confinement and enzyme immobilization.
The diffusion limitations on gas storage and catalytic reaction of microporous materials can often be overcome if they are incorporated into a mesoporous structure with much larger pores.
«We were able to track and map the distribution and ordering of adsorbate molecules in five members of the mesoporous MOF - 74 series along entire adsorption - desorption isotherms,» Yaghi says.
The nanogenerator itself includes thin electrode sheets on the front and back of the mesoporous polymer film, and the researchers can attach this soft, flexible film seamlessly to flat, rough or curvy surfaces, including human skin.
An important class of nanomaterials is the mesoporous materials having pores with diameters between 2 and 50 nm.
In a publication presented in RSC Advances, researchers from the division of Nanotechnology and Functional Materials at Uppsala University in collaboration with researchers from Stockholm University for the first time show that it is possible to tailor the pore structure of a mesoporous material, Upsalite ®, without using organic templates or swelling agents, and instead by merely controlling the energy input in the production process.
Wang, his Ph.D. student Yanchao Mao and collaborators from Sun Yat - sen University in China, and the University of Minnesota Duluth described their device, a mesoporous piezoelectric nanogenerator, in the January 27, 2014, issue of the journal Advanced Energy Materials.
For the first time, researchers have revealed the nanostructure of the mesoporous magnesium carbonate Upsalite ® and pore size control was achieved without organic templates or swelling agents.
Surprisingly, the perovskite cell with the mesoporous interface exhibits better output stability over time than the planar ETL - perovskite interface.
After careful experimental observations and numerical simulations, the scientists are now able to provide an explanation: «The benefit induced by the mesoporous interface is fundamentally due to its large surface area,» Abate explains.
One group of cells had a planar interface between perovskite and ETL, whereas in the other one a mesoporous interface was built up, intermingling perovskite and metal oxide to form a sponge like structure that contains a huge number of extremely tiny pores.
«We demonstrated that devices in a mesoporous configuration are more resilient to defect accumulation than in a planar configuration,» Abate concludes.
Mesoporous inorganic thin films represent a field of research with growing importance in applications such as sensing, optics, photovoltaic cells and protective coatings.