• Images taken by Japan's Hayabusa2 spacecraft suggest the whole asteroid is highly porous , scientists report in Nature on March 16. (sciencenews.org)
  • Bits of highly porous and likely extraordinarily ancient rock may be included within these samples, potentially helping reveal more about the nature of the solar system's building blocks . (space.com)
  • Zhang and Ma have developed [ 25 ] a highly porous biodegradable polymer/apatite composite scaffold (95% porosity) through a thermally induced phase separation technique, which resulted in significant improvement in mechanical properties compared to polymer-only scaffold. (hindawi.com)
  • Usually, these electroactive microorganisms form an electroactive biofilm (EAB) on the electrode surface. (uni-bremen.de)
  • Wu Xu, Ji-Guang Zhang, Pacific Northwest National Laboratory, Richland, WA, USA, and colleagues have embedded lithium in a porous nickel electrode to produce an anode material with improved properties. (chemistryviews.org)
  • Thus, this study aimed to perform the hydraulic characterization of porous pipes. (iwaponline.com)
  • Film Breakdown and Nano-Porous Mg(OH)2 Formation from Corrosion of Magnesium Alloys in Salt Solutions. (ornl.gov)
  • NaCl consisted of a thin, inner MgO-base layer, and a nano-porous and filamentous Mg(OH)2 outer region tens of microns thick. (ornl.gov)
  • Colorized TEM image of gold nanowires in a template of nano-porous alumina. (lu.se)
  • 100 nm) lamella was extracted from the nano-porous alumina matrix combining the operation of a focused ion beam and a nano-manipulator. (lu.se)
  • An interfacial strategy is developed to fabricate and composite sub-15 nm nanofilms directly on macro-porous substrates for molecular and ionic sieving. (osti.gov)
  • article{osti_1460092, title = {Nanofilms directly formed on macro-porous substrates for molecular and ionic sieving}, author = {Yang, Hao -Cheng and Wu, Ming -Bang and Hou, Jingwei and Darling, Seth B. and Xu, Zhi -Kang}, abstractNote = {An interfacial strategy is developed to fabricate and composite sub-15 nm nanofilms directly on macro-porous substrates for molecular and ionic sieving. (osti.gov)
  • A macro-porous hydrophobic substrate was floated on the freshly prepared polyphenol/polyamine solution for a designed time, and then transferred to the glutaraldehyde solution for further cross-linking. (osti.gov)
  • SEM images of c) PP microfiltration membrane surface, d) nanofilm surface and e) cross-section of nanofilm on macro-porous substrate. (osti.gov)
  • The meso/macro-porous membrane is formed by a lithium poly[4-styrenesulfonyl(phenylsulfonyl)imide] polymer and serves as an electrolyte in lithium ion batteries. (rsc.org)
  • The fabricated meso/macro-porous polymer membrane displays excellent high-temperature sustainability and wide electrochemical stability, important for battery safety and enhancement of device performance and longevity. (rsc.org)
  • For monodispersed suspension and transport in porous media with distributed pore sizes, the microstochastic model allows for upscaling and the exact solution is derived for the obtained macroscale equation system. (projecteuclid.org)
  • For commercially available porous glasses, the terms porous VYCOR-Glass (PVG) and Controlled Pore Glass (CPG) are used. (wikipedia.org)
  • The pore structure is formed by a syndetic channel system and has a specific surface from 10 to 300 m²/g. (wikipedia.org)
  • By regulating the manufacturing parameters, it is possible to produce a porous glass with a pore size of between 0.4 and 1000 nm in a very narrow pore size distribution. (wikipedia.org)
  • In the context of porous glasses, "texture" implies properties like specific pore volume, specific surface, pore size, and porosity. (wikipedia.org)
  • 3D bioprinting is known as a suitable method to fabricate complex free-form tubular structures with desired pore characteristic. (nature.com)
  • Porous sponge media of different pore cell radii and thicknesses were tested under the described conditions. (go.jp)
  • The team prepared thin porous nickel sheets (pictured top left) by combing nickel oxide particles, pore forming agents, and additives in a ball-milling process and casting, drying, and reducing the mixture. (chemistryviews.org)
  • Furthermore, the lysis efficiency of the PPM was improved by tuning their hydrophobic-hydrophilic balance and determining the optimal flow rate, at which the bacterial cell walls were sufficiently mechanically sheared through the porous medium of the column to disrupt the cell membrane by physical contact with the antibacterial polymeric biocide covering the pore surface. (uwaterloo.ca)
  • The fibroin sponge formed by this new process is applicable as a tissue-engineering scaffold because it is formed from biocompatible pure silk fibroin and offers both porous structure and mechanical properties that are suitable for cell growth and handling. (druglib.com)
  • One of the most attractive subjects in tissue engineering is the development of a scaffold, a three-dimensional porous solid structure that plays a key role in assisting tissue regeneration [ 1 ]. (hindawi.com)
  • Ideally, a scaffold must be porous, bioactive, and biodegradable and possess adequate mechanical properties suited to the biological site. (hindawi.com)
  • Proplast was discontinued after it was shown to delaminate under shear stress, form particles, and induce an inflammatory reaction. (medscape.com)
  • Because of the interconnected porous structures, various forms of active molecules could be loaded into the particles. (bvsalud.org)
  • The porous pNIPAM particles not only exhibited large loading efficiency and sustained release for the 5-fluorouracil and metformin co-delivery, but also protected drugs from being resolved. (bvsalud.org)
  • Porous polymers are the most suitable adsorbent for applications based on the analysis of gases, acids, amines, organics of low carbon number and water. (sigmaaldrich.com)
  • Porapak porous polymers are spherical beads with consistent particle size, porosity, and surface area that help to insure analytical precision and accuracy. (sigmaaldrich.com)
  • Polymers have been widely chosen as tissue scaffolding material having a good combination of biodegradability, biocompatibility, and porous structure. (hindawi.com)
  • Two functional monomers belong to two different antibacterial polymers families have been used to form two antibacterial PPM columns. (uwaterloo.ca)
  • Semiconductor material is removed from below the nanoscale metal pattern to create trenches in the film having a depth-to-width aspect ratio of at least about 10:1, while pores are formed in remaining portions of the film adjacent to the trenches. (illinois.edu)
  • In porous materials the sound propagates in a network of small interconnected pores. (comsol.com)
  • We wanted to develop a better understanding of how pores form in the grains -- whether they also reach the granule surfaces and to what extent this process varies in different granules," explains Garcia-Moreno. (sciencedaily.com)
  • It is a porous material with pores ranging from 50-400 µm in diameter, which allow fibrovascular ingrowth of the host's tissues. (medscape.com)
  • A new process to form fibroin spongy porous 3-D structure is reported herein. (druglib.com)
  • This substitute has a porous structure similar to spongy bone. (medicalnewstoday.com)
  • 1975). In addition, the compressibility of porous rocks under quasi-static loading has been studied experimentally (Stephens et al. (onepetro.org)
  • The porous network was synthesized directly inside a microfluidic channel fabricated in a cross-linked poly(methyl methacrylate) (X-PMMA) substrate by well-controlled, high-throughput, and time and cost e effective laser micromachining. (uwaterloo.ca)
  • This is a model of acoustic absorption by a porous acoustic open cell foam. (comsol.com)
  • With further optimization in topologically ordered porosity design exploiting material property and fabrication technique, porous biodegradable metals could be the potential materials for making hard tissue scaffolds. (hindawi.com)
  • Porous 3D electrodes provide a large habitat for the EAB and can thus facilitate high metabolic rates and high current densities, which are necessary for the commercialization of bioelectrochemical systems. (uni-bremen.de)
  • In current research, porous electrodes are developed considering the biofilm density, its metabolism and the occurring transport phenomena. (uni-bremen.de)
  • Direct and spatially resolved measurement of parameters such as biofilm density or diffusion coefficients are essential to improve the existing models and evaluate the effectiveness of the porous electrodes. (uni-bremen.de)
  • In this project, magnetic resonance imaging (MRI) is applied for the characterization of electroactive biofilms in porous electrodes. (uni-bremen.de)
  • The in vivo use of MRI to characterize EABs in porous electrodes has not been reported yet. (uni-bremen.de)
  • Impedance measurements on Li electrodes in SOCl2 electrolytes indicate that the structure of the passivating surface layer formed in 1.8M LiAlCl4 differs from that formed in 1.8M AlCl3, 1.2M LiCl, 0.6M SO2. (dtu.dk)
  • Also, porous carbon electrodes are found to behave differently in these two electrolytes. (dtu.dk)
  • Mogensen, MB 1985, ' The a.c. response of lithium, stainless steel, and porous carbon electrodes in thionyl chloride solutions ', Journal of Power Sources , vol. 14, no. 1-3, pp. 123-127. (dtu.dk)
  • Z. You, P. Bedrikovetsky, L. Kuzmina "Exact Solution for Long-Term Size Exclusion Suspension-Colloidal Transport in Porous Media," Abstract and Applied Analysis, Abstr. (projecteuclid.org)
  • This new porous ionic liquid has cavities that are approximately 6.2 Å wide-big enough to capture alcohols and chlorofluorocarbons (CFCs). (acs.org)
  • By extraction using mineral acids the soluble phase can be removed and a porous silica network remains. (wikipedia.org)
  • In scientific literature, porous glass is a porous material containing approximately 96% silica, which is produced by an acidic extraction or a combined acidic and alkaline extraction respectively, of phase separated alkali borosilicate glasses, and features a three-dimensional interconnected porous microstructure. (wikipedia.org)
  • Displacement of non-Newtonian fluid in porous media is of paramount importance in the flow modeling of oil reservoirs. (witpress.com)
  • Flow through porous media. (epa.gov)
  • The current promising fabrication technique for making scaffolds, such as computation-aided solid free-form method, can be easily applied to metals. (hindawi.com)
  • This study demonstrates the effect of EBM-fabricated cp-Ti and Ti6Al4V porous scaffolds on hES-MPs behavior, in terms of cell attachment, growth and osteogenic differentiation. (diva-portal.org)
  • Biot has been proposed as a mechanical model for describing the behavior of such a rock, and this model forms a foundation for wave analysis of general anisotropic fluid-saturated porous solids. (witpress.com)
  • Here we revisit and expand the work of Pascal and Pascal [4], who analyzed the dynamics of a moving stable interface in a semi-infinite porous domain saturated by two fluids, displacing and displaced, both non-Newtonian of power-law behavior, assuming continuity of pressure and velocity at the interface, and constant initial pressure. (witpress.com)
  • Numerous studies have been conducted in an attempt to understand the behavior of soft, porous materials. (onepetro.org)
  • The application of porous polymeric monolith (PPM) column as an e effective tool for bacterial cell lysis is demonstrated in this thesis. (uwaterloo.ca)
  • The bacterial cell wall is mechanically sheared (mechanical-shear lysis) by flowing through the narrow porous medium of the PPM column, but it is also damaged and disintegrated by physical contact (contact-killing lysis) with the antibacterial polymeric biocide covering the porous surface. (uwaterloo.ca)
  • The researchers noted that Ryugu's hotspot boulders are about as porous as the bodies of comets . (space.com)
  • We'll zoom in on new materialism, feminism, porous bodies and materials, material agency, ecology, contemporary notions of performance within the art institute at large. (lu.se)
  • The specific properties and commercial availability of porous glass make it one of the most extensively researched and characterized amorphous solids. (wikipedia.org)
  • This study aims to develop a boundary element method for wave scattering in general anisotropic fluid-saturated porous solids. (witpress.com)
  • Green's function for wave analysis in general anisotropic fluid-saturated porous solids is derived by using Radon and Fourier transforms in space. (witpress.com)
  • They are best suited for gas chromatography and are basically copolymers of polydivinylbenzene (DVB) which are very porous in nature ranging from mesoporous to microporous. (sigmaaldrich.com)
  • An established way to enhance the sensitivity of the chromic properties in the solid state is to form a microporous structure with a large surface area. (nature.com)
  • Scientists have developed a new approach for making metal-metal composites and porous metals with a 'bicontinuous' structure in thin films. (materialstoday.com)
  • more porous rocks change temperature quickly, like sand on a beach. (sciencenews.org)
  • The rocks are about as porous as the building blocks of planets. (space.com)
  • Recently, Japan's Hayabusa2 spacecraft discovered that Ryugu , a diamond-shaped 2,790-foot-wide (850 meters) near-Earth asteroid, is covered with rocks that are about 30% to 50% porous . (space.com)
  • Now Sakatani and his colleagues have found that those boulders may be more than 70% empty space, or about as porous as prior work suggested ancient planetesimals were, suggesting the rocks may contain remnants of the early solar system. (space.com)
  • These communities grow in porous rocks such as sandstone. (carleton.edu)
  • A further special advantage of porous glasses compared to other porous materials, is that they can be made not only as powder or granulate, but also as larger pieces in almost any user defined shape and texture. (wikipedia.org)
  • The response of porous materials to load has been studied extensively, primarily from analytical considerations of continuum mechanics (Bhatt et al. (onepetro.org)
  • We have created a network to lead research, collaboration and consultancy in multiscale porous materials. (bath.ac.uk)
  • Our network will investigate multiscale porous materials from micropores and mesopores, to macropores and composites. (bath.ac.uk)
  • Our EPSRC network aims to make the UK an international beacon for multiscale porous materials research, where we'll form new collaborations, find new research directions, offer expert advice, and commercialise innovations. (bath.ac.uk)
  • We plan to bring a diverse range of people together to explore the potential of porous materials research. (bath.ac.uk)
  • The Porous Membrane: Why Corporate Blogging Works. (gapingvoid.com)
  • 11. The answer lies in "x", the membrane that seperates A from B. The more porous the membrane, the easier it is for conversations between A and B, the internal and external, to happen. (gapingvoid.com)
  • 13. The more porous your membrane ("x"), the easier it is for the internal conversation to inform and align with the external conversation, and vice versa. (gapingvoid.com)
  • A method of forming a nanoscale three-dimensional pattern in a porous semiconductor includes providing a film comprising a semiconductor material and defining a nanoscale metal pattern on the film, where the metal pattern has at least one lateral dimension of about 100 nm or less in size. (illinois.edu)
  • 16 2013, Method of forming nanoscale three-dimensional patterns in a porous material , U.S. Patent No. 8486843. (illinois.edu)
  • 1970). Wave propagation problems in a porous material has also been investigated theoretically (Carroll et al. (onepetro.org)
  • C through glass cloth or similar porous material to remove the precipitated ni phosphide. (cdc.gov)
  • New process to form a silk fibroin porous 3-D structure. (druglib.com)
  • Precondition for repetitious manufacturing of porous glass is the knowledge about structure determining and structure controlling parameters. (wikipedia.org)
  • The results indicated that such titanium formed by a coating of tetracycline encapsulated in PLGA on a porous titania structure exhibited antibacterial effects and was both non-cytotoxic and biocompatible. (elsevierpure.com)
  • The porous structure helps to preserve a uniform Li surface during charge/discharge cycles and hinders the growth of dendrites, which improves safety. (chemistryviews.org)
  • Simulation methods will play an important role in the network, such as those of structure and dynamics in porous catalysts. (bath.ac.uk)
  • The crystal structures of the three MIL-53 forms are summarized and the powder patterns for the MIL-53(Al)as-syn and MIL- 53(Al)HT phases are reported in this paper. (nist.gov)
  • Optimal extraction is possible only if the initial glass composition and thermal treatment are chosen such that combine structures form, and not droplet structures. (wikipedia.org)
  • If early protoplanets had similar structures, that could mean planets formed quickly. (sciencenews.org)
  • Long-term deep bed filtration in porous media with size exclusion particle capture mechanism is studied. (projecteuclid.org)
  • Yu and Wu used electrical resistivity tomography (ERT) data to obtain the heterogeneous distribution of hydraulic conductivity in porous media [ 10 ]. (hindawi.com)
  • This study aims to clarify the function of different porous media layers during accumulated organic matter degradation with enhanced sewer self-purification by porous sponge media. (go.jp)
  • Accumulated organic matter, in the form of margarine, was placed underneath the sponge media. (go.jp)
  • Multidisciplinary collaboration is at the heart of what we do and by the end of the grant, we will have created a self-sustaining network of porous media experts. (bath.ac.uk)
  • Taking both Devine and Syrett's quote above and the increasingly porous nature of established television genres as its starting point, this paper offers a case study of the evolution of Multi-Channel Networks (MCN) and their usage as a platform for showcasing new forms of media talent. (lu.se)
  • A three-dimensional pattern having at least one nanoscale dimension is thus formed in a porous semiconductor, which may be porous silicon. (illinois.edu)
  • As my tissue awoke through the invocation of fluid movement, I slowly became more porous, my being breathed, opening beyond any defined boundary. (coreawareness.com)
  • For instance, PLA could be combined with PGA to form poly(lactic- co -glycolic acid) (PLGA), which has degradation rate tailored with the tissue healing period and has been shown to support osteoblast cells attachment and growth in vitro and in vivo [ 22 - 24 ]. (hindawi.com)
  • They also form a strong bond to bone tissue. (medicalnewstoday.com)
  • A dense fibrous capsule forms around the implant that helps maintain the implant in its proper position, but no tissue ingrowth occurs after implantation. (medscape.com)
  • A functional monomer, N-(tert-butyloxycarbonyl)aminoethyl methacrylate, belongs to SMAMPs antibacterial polymer family was used to form antibacterial PPM column, SMAMPs-PPM. (uwaterloo.ca)
  • Increasing clinical availability demografia-y-migracion/publicaciones-y-anuarios/ of molecular diagnostics might identify B. lonestari as an migraci%C3%B3n-internacional/estimaci%C3%B3n- poblaci%C3%B3n-extranjera-en-chile-2018/ emerging tickborne pathogen. (cdc.gov)
  • An easy functionalization of the inner surface opens a wide field of applications for porous glasses. (wikipedia.org)
  • However, remnant polymer following full release of the medication, resulting in delamination between the surface layers of the implant and newly formed bone, has been a major problem. (elsevierpure.com)
  • However, Hayabusa2 had fired a cannonball at Ryugu and did not see any similarly porous boulders appear in the aftermath of that artificial impact, suggesting the porous boulders on the asteroid did not arise from collisions. (space.com)
  • The VDW porous crystal VPC-1 is formed from a novel aromatic dendrimer having a dibenzophenazine core and multibranched carbazole dendrons. (nature.com)
  • Powder X-ray diffraction patterns for three forms of MIL-53(Al), a metal organic framework (MOF) compound with breathing characteristics, were investigated using the Rietveld refinement method. (nist.gov)
  • A responsive porous hydrogel particle-based delivery system for oncotherapy. (bvsalud.org)
  • However, lithium metal forms dendrites during charge/discharge cycles, which can cause dangerous short circuits. (chemistryviews.org)
  • Functionalization of the VDW porous crystals remains a far more challenging topic because even a slight modification of the constituent molecule or crystallization conditions ends up with the formation of densely packed polymorphs 24 . (nature.com)
  • A geologic formation or part of a formation (such as gravel, sand, or porous stone) that supplies water to wells or springs. (cdc.gov)
  • All aerobic and facultative anaerobic, gram-negative, nonspore-forming, rod-shaped bacteria that ferment lactose with gas formation within 48 hours at 95°F (35°C). Coliforms are mostly harmless bacteria that live in soil and water as well as the gut of humans and animals, but can indicate a problem if found in treated water. (cdc.gov)
  • Based on the heat from these hotspots, the scientists estimated the cluster of boulders in that first hotspot were 72% to 91% porous. (space.com)
  • Similarly to a skyscraper, however, these nanorods were formed from the bottom up. (lu.se)
  • Thus, technical limitations exist that preclude composition of free-form constructs such as the esophageal mucosa and muscle layers. (nature.com)
  • To overcome these limitations, here, we introduced responsive porous hydrogel microparticles loaded with 5-fluorouracil and metformin for oncotherapy. (bvsalud.org)
  • Due to the possibility of modeling the microstructure, porous glasses have a high potential as a model system. (wikipedia.org)
  • Porous glasses can be generated by an acidic extraction of phase separated alkaliborosilica glasses, or by a sol-gel-process. (wikipedia.org)
  • The more porous areas on Ryugu are, the less matter they have and the easier they are to heat. (space.com)
  • Vapochromic behaviour of porous crystals is beneficial for facile and rapid detection of gaseous molecules without electricity. (nature.com)
  • The porous architecture allows adsorption of guest molecules with high efficiency, which is advantageous for rapid detection of the guest molecules. (nature.com)
  • Chemical bonds that underpin their porous frameworks, that is, coordination bonds, dynamic covalent bonds, and hydrogen bonds, are commonly affected by the water molecules. (nature.com)
  • Boulders on asteroids can be three-quarters hollow or more, a discovery that could help yield insights on the way in which Earth and other planets formed, a new study finds. (space.com)
  • Uncovering details about the original nature of planetesimals could shed light on how the planets formed. (space.com)
  • The PLGA was dissolved in dichloromethane along with tetracycline, and the fabricated tetracycline encapsulated in PLGA was then coated on a porous oxide layer of titanium by using the ESD method. (elsevierpure.com)
  • From this experiment, we conclude that porous titania coated by tetracycline encapsulated in PLGA by using ESD method is appropriate for use in dental or medical implants to prevent the major complication of surgery, infection. (elsevierpure.com)
  • The p diffuses through the molten salt and forms insoluble ni phosphide in the cd below. (cdc.gov)
  • An experimental investigation was conducted to study the response of soft, porous rock, green shale, under dry and liquid-filled conditions to normal impact of hemispherically-tipped cylindrical steel projectiles with diameter and mass of 6.35 mm and 31 g, respectively. (onepetro.org)
  • Metal has been used extensively in the manufacturing of orthopedic implants in a multitude of different forms. (medscape.com)
  • Porous electroceramic for SONAR applications. (bath.ac.uk)
  • Increased anthropic activity in the environment leads to degradation and increased waste generation that includes tires, which can be used for the manufacture of porous pipes by extrusion for irrigation or aeration. (iwaponline.com)
  • In the present investigation, projectile impact on soft, porous green shale under dry and liquid-filled conditions was studied experimentally. (onepetro.org)
  • When elemental silicon (number 14 on the periodic table) is interlinked with oxygen, it can polymerize into silicone, which can exist as a liquid form (silicone gel) and a more solid form that is appropriate for facial augmentation. (medscape.com)
  • The solid form can be customized by intraoperative carving or by custom molding. (medscape.com)