US 4844741 A
Thermostable rutile mixed phase pigments of the ternary system titanium, antimony and chromium contain from 0.1 to 2.0% by weight of magnesium.
A comparative study of the photocatalytic oxidation of …
Although usually electrons' transfer from anatase to rutile has been proposed, due to the more negative CB of anatase than that of rutile [83] [84] [85][86][87][88][89][90], some reports have ...
Preparation and Photocatalytic Performance of Anatase/Rutile Mixed
Abstract Anatase-dominated anatase/rutile mixed-phase TiO2 nanotubes were prepared by decorating TiO2 on the hydrothermally synthesized TiO2-derived nanotubes via liquid phase deposition and subsequent annealing. The morphology and structure of as-prepared TiO2 nanotubes were characterized by transmission electron …
Review of the anatase to rutile phase transformation
The present work reviews the anatase to rutile phase transformation. The synthesis and properties of anatase and rutile are examined, followed by a discussion …
Engineering highly functional thermostable proteins using …
Thermostable ancestor of a xenobiotic-metabolizing enzyme. Focusing on the most promiscuous of the extant P450 families, we inferred and resurrected the ancestor of the CYP3 family (Fig. 1a ...
Highly efficient water oxidation via a bimolecular reaction …
In this work, we report on the two-step preparation of a new cobalt iron oxyfluoride with a rutile type structure, Co 0.5 Fe 0.5 O 0.5 F 1.5, obtained by calcination of the hydrated fluoride CoFeF 5 (H 2 O) 7.Subsequent electrocatalytic evaluations unveiled that Co 0.5 Fe 0.5 O 0.5 F 1.5 is one of the highest performing cobalt-based OER …
Mixed food waste valorization using a thermostable
Mixed food waste valorization using a thermostable glucoamylase enzyme produced by a newly isolated filamentous fungus: A sustainable biorefinery approach Chemosphere. 2024 Feb 22 ... This study puts forth the possibility that mixed food waste, despite containing spices and other microbial growth-inhibitory substances, can be efficiently ...
Thermostable enzyme research advances: a bibliometric …
Thermostable enzymes are enzymes that can withstand elevated temperatures as high as 50 °C without altering their structure or distinctive features. The potential of thermostable enzymes to increase the conversion rate at high temperature has been identified as a key factor in enhancing the efficiency of industrial operations. …
Interface junction at anatase/rutile in mixed-phase TiO2
However, the mixed and rutile phases show three well-resolved PL bands, including 420 nm, 530 nm and near-infrared (NIR) bands at 820 nm at a lower temperature. Again, 530 nm band dominated for ...
Controllable One-Step Synthesis of Mixed-Phase TiO2 …
Herein, the synthesis of novel TiO 2 nanocrystals with rutile-rich mixed-phase structure and small particle size via a simple one-step condensing reflux method at a relatively …
TEMPERATURE-STABLE RUTILE MIXED-PHASE PIGMENTS
rutile mixed approx Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Withdrawn Application number DE Other languages German (de)
Review: Engineering of thermostable enzymes for industrial …
I. THERMOSTABLE ENZYMES IN INDUSTRIAL APPLICATIONS. Enzymes have long been used in detergents and for food production, especially cheese, sourdough, beer, and wine as well as for the production of leather, indigo, and linen. 1,2 Such processes are usually triggered by enzymes produced by specific microorganisms or by …
A thermostable type I-B CRISPR-Cas system for orthogonal …
A thermostable type I-B CRISPR-Cas system from P. thermoglucosidasius. ... For the electroporation, 60 μL of electrocompetent cells were mixed with approximately 500 ng of plasmid DNA. Following ...
Interface junction at anatase/rutile in mixed-phase TiO 2
Nanosized TiO 2 photocatalysts of anatase, rutile and mixed-phase were synthesized through hydrolysis method. The influence of the interface junction between anatase and rutile TiO 2 on the photo-generated charge carriers properties were studied by Kelvin probe (KP), surface photovoltage (SPV) and transient photovoltage …
Band alignment of rutile and anatase TiO2
Nature Materials - A convincing explanation of why mixed phases of anatase and rutile TiO2 outperform individual polymorphs is lacking. An energetic band alignment of ~0.4 eV is now shown to...
High-temperature solid-state rutile-to-anatase phase …
TiO 2 has many polymorphs, among which rutile is the most thermodynamically stable. Bulk anatase TiO 2 is usually a metastable phase at room temperature. Hence, phase transformation of bulk rutile TiO 2 to anatase TiO 2 by heat treatment is thermodynamically forbidden. However, the stability of TiO 2 polymorphs is …
Oxygen defect dependent variation of band gap, Urbach …
TiO 2 nanoparticles are prepared by a sol–gel method and annealed both in air and vacuum at different temperatures to obtain anatase, anatase–rutile mixed phase and rutile TiO 2 nanoparticles. The phase conversion from anatase to anatase–rutile mixed phase and to rutile phase takes place via interface nucleation between adjoint …
Ti3+-doped TiO2 hollow sphere with mixed phases of anatase and rutile
These results indicated that these samples had mixed phases of anatase and rutile and the structure of hollow sphere varied with different thickness of carbon shell. The Ti-O-C chemical bond was the connection between the TiO 2 hollow sphere and carbon layer. Amount of Ti 3+ ions were found, which were accompanied with the formation of …
Metal-organic frameworks derived cake-like anatase/rutile mixed …
Cake-like anatase/rutile mixed phase TiO 2 (A/R TiO 2) was successfully prepared through pyrolyzation of metal-organic frameworks MIL-125.Its morphology, structure and photocatalytic performance for degradation of nitrobenzene under UV light irradiation were investigated by scanning electron microscopy, transmission electron …
Directed evolution of an efficient and thermostable PET
Cells were collected by centrifugation at 2,900g for 10 min and the resulting pellets resuspended in a lysis mix consisting of 50 µl of BugBuster Protein Extraction reagent containing 10 µg ml ...
Carbon-regulated titania crystallization to construct a …
Capitalized on the concentration-regulated balance between the promotive and inhibitory effects of carbon doping on titania crystallization, we unveiled two structural criteria of the anatase phase – crystal size of about 14 nm and crystallinity of about 30% – for ART but also devised 125 titania samples of defined but varied anatase/rutile ...
Mixed-phase TiO2 photocatalysts: Crystalline phase isolation …
Semantic Scholar extracted view of "Mixed-phase TiO2 photocatalysts: Crystalline phase isolation and reconstruction, characterization and photocatalytic activity in the oxidation of 4-chlorophenol from aqueous effluents" by Petru Apopei et al. ... In this study, N-doped anatase–rutile mixed phase TiO2 nanorods assembled microspheres …
Thermostable enzyme research advances: a bibliometric …
Thermostable enzymes provide numerous benefits to the industrial sector, including a rapid growth rate, a reduced risk of contamination, a reduction in liquid viscosity, and improved solubility in polymeric substrates and oil . The resistance of thermostable enzymes to proteolysis and chemical denaturation is greater.
Enhanced photocatalytic ethylene decomposition with anatase-rutile …
On both of DCL1 and DCL2, the decomposition rate was the best when anatase and rutile mixture was identified. The performance of RFMS sample is lower than that of DCL1 and DCL2, probably because anatase rutile mixed structure was not formed. As focusing on the difference between DCL1 and DCL2 samples, here we investigate …
Band Alignment-Driven Oxidative Injury to the Skin by Anatase/Rutile
Abstract. Anatase/rutile mixed-phase titanium dioxide (TiO 2) nanoparticles (NPs) have been found in cosmetics and cotton textiles.Once exposed to sunlight, mixed-phase TiO 2 NPs are even more toxic to cells than pure phase NPs; however, the underlying mechanism remains unclear. Considering the unique anatase/rutile …
Low-temperature chemical synthesis of rutile and anatase mixed …
DOI: 10.1016/J.JALLCOM.2017.01.358 Corpus ID: 102412825; Low-temperature chemical synthesis of rutile and anatase mixed phase TiO2 nanostructures for DSSCs photoanodes @article{Tehare2017LowtemperatureCS, title={Low-temperature chemical synthesis of rutile and anatase mixed phase TiO2 nanostructures for DSSCs …
Metal-organic framework-derived mixed-phase anatase/rutile …
Therefore, the rutile phase and Li in the mixed-phase TiO 2 donate electrons as a whole, while the anatase phase gains electrons, resulting in a charge separation effect (Fig. 8 g). This confirms that the mixed-phase TiO 2 provides additional Li adsorption sites leading to a good Li storage performance as well as enhanced interfacial kinetics ...
Enhanced photocatalytic ethylene decomposition with anatase-rutile …
@article{Kajita2021EnhancedPE, title={Enhanced photocatalytic ethylene decomposition with anatase-rutile mixed nanostructures formed by He plasma treatment}, author={Shin Kajita and Kazuya Miyaguchi and Hirohiko Tanaka and Eriko Yasunaga and Tomoko Yoshida and Noriyasu Ohno}, journal={Journal of Photochemistry and …
Band Lineup and Charge Carrier Separation in Mixed Rutile …
Calculations by the HSE06 functional for rutile and anatase crystals reproduce the observed width of the valence and conduction bands, as well as of the gap. From the band structures the branching point energies are obtained as reference for both phases, allowing us to deduce a generic band alignment scheme without a specific …
Thermostable rutile mixed phase pigments
Thermostable rutile mixed phase pigments of the ternary system titanium, antimony and chromium contain from 0.1 to 2.0% by weight of magnesium. Inventors: Knittel, Helmut …