Month: December 2022

Celik Kucuk, Asuman published the artcileFluoride shuttle batteries: On the performance of the BiF3 electrode in organic liquid electrolytes containing a mixture of lithium bis(oxalato)borate and triphenylboroxin, Quality Control of 143-24-8, the main research area is lithium bisoxalato borate triphenylboroxin bismuth trifluoride electrode liquid electrolytes.

In a typical organic liquid electrolyte-based fluoride shuttle battery (FSB), a high concentration of a boron-based anion acceptor (AA) capable of binding specific anions is required to provide a sufficient amount of dissolved fluoride salt. The tetraglyme (G4)-based electrolyte system (LiBOB0.25/TPhBX0.25/sat_CsF/G4) containing equal concentrations of LiBOB, TPhBX, and saturated cesium fluoride (CsF) was prepared The potential effects of reducing the amount of the AA and using a mixture of LiBOB and TPhBX on the electrochem. compatibility of the BiF3 electrode were investigated through cyclic voltammetry, charge-discharge tests, and a.c. impedance measurements. The potential advantages of using the LiBOB/TPhBX mixture as an electrolyte additive include the fact that it increases ionic conductivity, widens the cathodic and anodic stability window, and enhances the electrochem. performance of the BiF3 pos. electrode. Moreover, according to Raman microscopy, the direct insertion mechanism was found to be predominant for the FSB reaction mechanism of BiF3 microparticles in LiBOB0.25/TPhBX0.25/sat_CsF/G4. These improvements can be attributed to the increase in fluorine anion mobility, which occurs when the cesium cation mobility is reduced; this, in turn, is a result of the stabilization of the cesium cation due to the interaction between LiBOB and TPhBX.

Solid State Ionics published new progress about Defluorination. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Quality Control of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Kikuchi, Arizumi published the artcileEvaluation of the efficacy of various reagents in improving microRNA extraction, SDS of cas: 143-24-8, the main research area is efficacy formalin fixation paraffin embedding microRNA extraction; Efficacy; RNA extraction; formalin fixation and paraffin embedding; microRNA; quantitative real-time reverse transcription PCR; stem-loop RT primer.

Background: MicroRNA has received considerable attention in the clin. context, and attempts are being made to use microRNA in clin. diagnosis. However, adequate quantities of microRNA required for anal. are challenging to isolate. We tested the effect of various reagents in improving microRNA extraction and compared their efficacy to that of a com. available extraction kit (HighPure miRNA isolation kit, Roche). Methods: We used the synthetic oligonucleotide miR-21 and formalin-fixed, paraffin-embedded (FFPE) tissue sections from colon cancer samples (n = 10). We tested increasing volumes (100-600μL) of 1,4-dioxane, 2-butanol, 2-propanol, acetonitrile, polyethylene glycol (PEG) 600, PEG 1000, PEG 1540, PEG 2000, tetraethylene glycol di-Me ether (TDE), and THF, instead of the binding enhancer solution provided in the kit. MiR-21 anal. was performed via stem-loop RT-qPCR using Universal ProbeLibrary probe (Roche). Results: The optimum amount of each enhancement solution was 200-500μL. We obtained ΔCp values of optimum addnl. volume for each solution from 1.04 to 2.50 and compared these with those obtained using the com. available kit. PEG 1540 and 2000 produced superior reactivity with minimal addition For FFPE tissue samples, addition of the enhancement solutions PEG 1540 and 2000 resulted in mean crossing point values of 18.15 ± 2.26 and 17.73 ± 3.26, resp. We obtained a crossing point value of 20.56 ± 4.26 (mean ± SD) using the com. available kit. Conclusions: The tested enhancer reagents, which are relatively readily available and easy to use, can improve microRNA extraction efficacy of a com. available kit.

Annals of Clinical Biochemistry published new progress about Colon neoplasm. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, SDS of cas: 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Kakiuchi, Ryo published the artcileA 19F-MRI probe for the detection of Fe(II) ions in an aqueous system, Formula: C9H20O5, the main research area is MRI probe detection iron.

Iron deposits are often observed in the brains of patients with neurodegenerative diseases, including Alzheimer′s and Parkinson′s diseases. This study outlines the development of F-Nox-1 (I) as the first example of a 19F-MRI probe that can selectively detect Fe(II) in aqueous solutions The use of tetrafluoro-p-phenylenediamine (TFPDA) as a 19F signal emitter with an Fe(II)-selective chem. switch, based on our previously reported N-oxide chem., yielded a readout of a symmetry-dependent 19F signal change in response to Fe(II). The addition of Fe(II) ions to F-Nox-1 triggered a 19F signal change, both in the chem. shift and signal intensity, and the response was highly selective to Fe(II) over other biol. relevant metal ions. The probe could also detect Fe(II) in serum containing various biol. contaminants by 19F magnetic resonance imaging (19F-MRI). Imaging of soluble Fe(II) species, which is the major component of water-soluble iron species, by 19F-MRI will potentially enable the direct monitoring of the elevation of Fe(II) levels prior to the formation of iron deposits, which is a potential risk factor for neurodegenerative diseases.

Organic & Biomolecular Chemistry published new progress about Blood analysis. 23783-42-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11-Tetraoxatridecan-13-ol, and the molecular formula is C9H20O5, Formula: C9H20O5.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Nagappan, Beemkumar published the artcileInfluence of antioxidant additives on performance and emission characteristics of beef tallow biodiesel-fuelled C.I engine, Related Products of ethers-buliding-blocks, the main research area is antioxidant additive emission characteristic beef tallow biodiesel; Biodiesel; Emission. Butylated hydroxyanisole; Enzyme catalyst; Performance; Transesterification.

This work analyses the performance and emission characteristics of biofuelled compression ignition (C.I) engine with the implementation of an antioxidant. Using the transesterification process with sodium hydroxide as a catalyst, the beef tallow Me ester (BTME) was obtained from the beef tallow oil. Poor phys. properties of biodiesel (beef tallow oil (BTO)) namely high viscosity and d. cause atomization problems leading to higher smoke, hydrocarbon and carbon monoxide emissions. The purpose of this work is to enhance the performance aspects, to limit smoke emissions from BTO operation and to examine the possibility of direct use of neat BTO in CI engine. This research paves a way of investing the impact of binary blends of BHA and BTO on the research engine. The experiments were conducted on a single-cylinder four-stroke C. I engine using the following fuel compositions: 20% of BTME mixed with 80% diesel (B20), 1000 ppm mono-phenolic antioxidant (butylated hydroxyanisole (BHA)) mixed with the blends of B20 (B20 + BHA), and 100% diesel. Based on the exptl. results, it was found that the brake thermal efficiency (BTE) increases by 1.8% and the brake specific fuel consumption (BSFC) decreases by 2.5% for the fuel blend B20 + BHA when compared with that for B20 fuel blend. Compared with the B20 blend, the blend B20 + BHA emits 12.2% lesser nitrogen oxide due to breaking chain reactions, scavenging the initiating radicals and reducing the concentration of reactive radicals.

Environmental Science and Pollution Research published new progress about Biodiesel fuel. 121-00-6 belongs to class ethers-buliding-blocks, name is 4-Hydroxy-3-tert-butylanisole, and the molecular formula is C11H16O2, Related Products of ethers-buliding-blocks.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Lai, Wei-Hong published the artcileSelf-assembling RuO2 nanogranulates with few carbon layers as an interconnected nanoporous structure for lithium-oxygen batteries, Application In Synthesis of 143-24-8, the main research area is ruthenium oxide carbon lithium oxygen battery nanostructure.

Electrocatalysis for cathodic oxygen is of great significance for achieving high-performance lithium-oxygen batteries. Herein, we report a facile and green method to prepare an interconnected nanoporous three-dimensional (3D) architecture, which is composed of RuO2 nanogranulates coated with few layers of carbon. The as-prepared 3D nanoporous RuO2@C nanostructure can demonstrate a high initial specific discharge capacity of 4000 mA h g-1 with high round-trip efficiency of 95%. Meanwhile, the nanoporous RuO2@C could achieve stable cycling performance with a fixed capacity of 1500 mA h g-1 over 100 cycles. The terminal discharge and charge potentials of nanoporous RuO2@C are well maintained with minor potential variation of 0.14 and 0.13 V at the 100th cycle, resp. In addition, the formation of discharge products is monitored by using in situ high-energy synchrotron X-ray diffraction (XRD).

Chemical Communications (Cambridge, United Kingdom) published new progress about Binding energy. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Application In Synthesis of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Tang, Xiao published the artcileA universal strategy towards high-energy aqueous multivalent-ion batteries, Recommanded Product: 2,5,8,11,14-Pentaoxapentadecane, the main research area is energy storage mol dynamics multivalent ion battery.

Rechargeable multivalent metal (e.g., Ca, Mg or, Al) batteries are ideal candidates for large-scale electrochem. energy storage due to their intrinsic low cost. However, their practical application is hampered by the low electrochem. reversibility, dendrite growth at the metal anodes, sluggish multivalent-ion kinetics in metal oxide cathodes and, poor electrode compatibility with non-aqueous organic-based electrolytes. To circumvent these issues, here we report various aqueous multivalent-ion batteries comprising of concentrated aqueous gel electrolytes, sulfur-containing anodes and, high-voltage metal oxide cathodes as alternative systems to the non-aqueous multivalent metal batteries. This rationally designed aqueous battery chem. enables satisfactory specific energy, favorable reversibility and improved safety. As a demonstration model, we report a room-temperature calcium-ion/sulfur| |metal oxide full cell with a specific energy of 110 Wh kg-1 and remarkable cycling stability. Mol. dynamics modeling and exptl. investigations reveal that the side reactions could be significantly restrained through the suppressed water activity and formation of a protective inorganic solid electrolyte interphase. The unique redox chem. of the multivalent-ion system is also demonstrated for aqueous magnesium-ion/sulfur||metal oxide and aluminum-ion/sulfur||metal oxide full cells.

Nature Communications published new progress about Binding energy. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Recommanded Product: 2,5,8,11,14-Pentaoxapentadecane.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Hegde, Guruprasad S. published the artcileEntropy Stabilized Oxide Nanocrystals as Reaction Promoters in Lithium-O2 Batteries, Safety of 2,5,8,11,14-Pentaoxapentadecane, the main research area is lithium peroxide nanocrystal secondary battery electrochem performance.

Charge transport limitations at the Li2O2 discharge product-electrode interfaces hinder the rechargeability of Li-O2 batteries. Herein, we introduce entropy stabilized oxides (ESO) as reaction promoters in pos. electrodes that can facilitate charge transport by reducing the binding energy of the intermediates. In this work, we developed a rock-salt type entropy stabilized oxide. We show that the rock salt phase transforms into a pure, equimolar, quinary spinel on heat treatment. A Li-O2 battery with the developed ESOs at the pos. electrode is cycled with an areal capacity of 1 mAh cm-2 at a current rate of 0.25 mA cm-2 to study its role as a reaction promoter. The surface, bulk, and morphol. characterization are carried out for both materials. The presence of multiple cations and defects on the surface of the ESO is found to benefit the discharge product oxidation and improve the cyclic stability.

Batteries & Supercaps published new progress about Binding energy. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Safety of 2,5,8,11,14-Pentaoxapentadecane.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Xing, Da published the artcileInsertion of Magnesium into Antimony Layers on Gold Electrodes:Kinetic Behaviour, Application In Synthesis of 143-24-8, the main research area is magnesium antimony layer gold electrode kinetic behavior diffusion coefficient.

Magnesium based secondary batteries are regarded as a viable alternative to the immensely popular Li-ion systems. One of the largest challenges is the selection of a Mg anode material since the insertion/extraction processes are kinetically slow because of the large ionic radius and high charge d. of Mg2+. In an attempt to bridge the gap between insertion measurements in 3D composite electrode materials and that in an idealized pure model system, we studied the insertion and diffusion of Mg in a thin, massive layer of Sb deposited on Au by using PITT, CV, and potential step experiments Sb has been suggested as an insertion material because magnesium can form intermetallic compound with it. The layered crystal structure of Sb leads should facilitate formation of such an intermetallic phase. Mg insertion from a MACC/tetraglyme electrolyte into Sb starts 300 mV pos. of the onset potential of Mg deposition as shown by cyclic voltammetry. The molar ratio of Mg to Sb agrees well with the stoichiometry of Mg3Sb2 alloy (Zintl-phase). The diffusion coefficient of Mg-insertion into Sb – layers and the charge transfer rate have been estimated by the above techniques. Such diffusion coefficients, albeit still somewhat “”apparent””, are much more closely related to the true diffusion coefficient in the metal or alloy. The solid-state diffusion coefficient of Mg into the Sb layers is in the range of 4-8×10-14 cm2 s-1. A very high Tafel slope of 370 mV/dec was found in potential step experiments Mg insertion was further investigated by XPS measurements. Besides Mg and Sb, Al and Cl signals were also detected, particularly at the outer parts of the layer.

ChemElectroChem published new progress about Binding energy. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Application In Synthesis of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Beichel, Witali published the artcileAn Artificial SEI Layer Based on an Inorganic Coordination Polymer with Self-Healing Ability for Long-Lived Rechargeable Lithium-Metal Batteries, Quality Control of 143-24-8, the main research area is rechargeable lithium metal battery SEI layer coordination polymer.

Upon immersion of a lithium (Li) anode into a diluted 0.05 to 0.20 M dimethoxyethane solution of the phosphoric-acid derivative (CF3CH2O)2P(O)OH (HBFEP), an artificial solid-electrolyte interphase (SEI) is generated on the Li-metal surface. Hence, HBFEP reacts on the surface to the corresponding Li salt (LiBFEP), which is a Li-ion conducting inorganic coordination polymer. This film exhibits – due to the reversibly breaking ionic bonds – self-healing ability upon cycling-induced volume expansion of Li. The presence of LiBFEP as the major component in the artificial SEI is proven by ATR-IR and XPS measurements. SEM characterization of HBFEP-treated Li samples reveals porous layers on top of the Li surface with at least 3μm thickness. Li-Li sym. cells with HBFEP-modified Li electrodes show a three- to almost fourfold cycle-lifetime increase at 0.1 mA cm-2 in a demanding model electrolyte that facilitates fast battery failure (1 M LiOTf in TEGDME). Hence, the LiBFEP-enriched layer apparently acts as a Li-ion conducting protection barrier between Li and the electrolyte, enhancing the rechargeability of Li electrodes.

Batteries & Supercaps published new progress about Binding energy. 143-24-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11,14-Pentaoxapentadecane, and the molecular formula is C10H22O5, Quality Control of 143-24-8.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Ryskulova, Kanykei published the artcileEffect of Host-Guest Complexation on the Thermoresponsive Behavior of Poly(oligo ethylene glycol acrylate)s Functionalized with Dialkoxynaphththalene Guest Side Chains, Name: 2,5,8,11-Tetraoxatridecan-13-ol, the main research area is host guest complexation thermoresponsive behavior polyoligoethyleneglycol acrylate functionalized dialkoxynaphththalene; LCST; host-guest complexation; responsive polymers; supramolecular chemistry.

The combination of thermoresponsive polymers with supramol. host-guest interactions enables accurate tuning of the phase transition temperature, while also providing addnl. response mechanisms based on host-guest complexation. Most studies focused on a single thermoresponsive polymer to demonstrate the effect of host-guest complexation on the responsive behavior. In this work, the effect of the polymer structure on the host-guest complexation and thermoresponsive behavior is reported. Therefore, different poly(oligoethylene glycol acrylate)s, namely, poly(2-hydroxyethylacrylate) (PHEA), poly(methoxy diethylene glycol acrylate), poly(methoxy triethylene glycol acrylate), and poly(methoxy tetraethylene glycol acrylate), are synthesized functionalized with 1,5-dialkoxynaphthalene guest mols. in the side chain. Their complexation with the cyclobis(paraquat-p-phenylene) tetrachloride host is studied to understand the effect of polymer structure on the supramol. association and the polymer phase transition, revealing that the oligoethylene glycol side chains lead to weaker host-guest complexation and also have a smaller increase in the cloud point temperature compared to PHEA.

Macromolecular Rapid Communications published new progress about Binding energy. 23783-42-8 belongs to class ethers-buliding-blocks, name is 2,5,8,11-Tetraoxatridecan-13-ol, and the molecular formula is C9H20O5, Name: 2,5,8,11-Tetraoxatridecan-13-ol.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem