Author: tianli

Li, Xinglin published the artcileFacile synthesis of a 3D flower-like SiO2-MOF architecture with copper oxide as a copper source for enantioselective capture, Name: (S)-2-hydroxysuccinic acid, the main research area is copper maleate bipyridine silica supported preparation resolution enantiomer; phenyl methyl sulfoxide enantiomer separation silica supported copper oxide.

A facile self-template synthetic approach for the facile synthesis of a 3D flower-like SiO2-CuLBH architecture with copper oxide as a copper source has been demonstrated. The resulting composite as a sorbent showed a certain selective separation capability for Ph Me sulfoxide enantiomers (PMS) with an enantiomeric excess (ee) value of 31%.

New Journal of Chemistry published new progress about Composites. 97-67-6 belongs to class alcohols-buliding-blocks, name is (S)-2-hydroxysuccinic acid, and the molecular formula is C4H6O5, Name: (S)-2-hydroxysuccinic acid.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Yu, Meina published the artcileSteric group-based polymer dispersed liquid crystal composite films with high contrast ratio, low driving voltage and small hysteresis, Product Details of C10H18O, the main research area is liquid crystal composite film voltage small hysteresis.

The unique phase-separated microstructure has endowed polymer dispersed liquid crystals (PDLCs) with outstanding electro-optical performances. However, their applications are hampered by the high driving voltage and low contrast ratio. Attempts to optimize the materials have been made in order to reduce the driving voltage without sacrificing the contrast ratio and other features. Herein, acrylate monomers with different steric end groups were introduced to fabricate PDLCs and their effects on the electro-optical properties and microstructure were investigated. Bipolar droplet configuration was observed in all samples implying tangential anchoring conditions. It was found that the steric end group could affect the morphol. of polymer matrix and the electro-optical properties. By carefully adjusting the steric group and doping concentration, the contrast ratio could be enhanced and the driving voltage could be reduced. Besides, hysteresis could also be decreased. The research offers more choices for the construction of PDLCs from material perspective, promoting their potential applications.

Journal of Molecular Liquids published new progress about Composites. 124-76-5 belongs to class alcohols-buliding-blocks, name is rel-(1R,2R,4R)-1,7,7-Trimethylbicyclo[2.2.1]heptan-2-ol, and the molecular formula is C10H18O, Product Details of C10H18O.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Filimonova, A. V. published the artcile3D-modeling of the influence of isomalt, glucose, and compaction pressure on the quality of ascorbic-acid tablets, SDS of cas: 64519-82-0, the main research area is isomalt glucose compaction modeling ascorbic acid tablet.

The influence of the isomalt mass fraction in a mixture with glucose on the flowability, d., and elastic-plastic properties of the tableting mass and the quality of the obtained 1-g tablets (14 mm diameter) was studied. The flowability of the mixture decreased by 0.6 ± 0.06 g/c if the isomalt ST-PF content was increased by 10%. The curve for the bulk d. had a distinct maximum near an isomalt-glucose ratio of 50:50. The tablet strength increased linearly by 55 ± 7 and 51 ± 7 N; the d., by 0.0036 ± 0.0002 and 0.076 ± 0.003 g/cm3; and the disintegration time, by 1.2 ± 0.2 and 1.7 ± 02 min if the isomalt ST-PF concentration in the mixture was increased to 35% and the compaction pressure to 350 N/cm2, resp.

Pharmaceutical Chemistry Journal published new progress about Compaction. 64519-82-0 belongs to class alcohols-buliding-blocks, name is (3R,4R,5R)-6-(((2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexane-1,2,3,4,5-pentaol, and the molecular formula is C12H24O11, SDS of cas: 64519-82-0.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Fini, Adamo published the artcileEffect of ultrasound on the compaction of ibuprofen/isomalt systems, Safety of (3R,4R,5R)-6-(((2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexane-1,2,3,4,5-pentaol, the main research area is ibuprofen isomalt tablet ultrasound compaction.

Six mixtures, containing 10, 20 and 30% weight/weight ibuprofen and isomalt, were compacted by a traditional or ultrasound-assisted machine and analyzed by means of thermal (DSC and TGA) and micro-spectrometry (Raman and FT-IR) techniques. Ultrasound discharge causes melting of ibuprofen powder, transforming into a paste that could not assume the shape of a tablet; when in mixture with isomalt, thermal events, occurring during ultrasound compaction, change the appearance of the particles formed by milling the tablets obtained this way and SEM photos reveal a dramatic reduction of the particle size and changes due to a possible ibuprofen re-crystallization Raman and FT-IR spectra of small portions of the surface and of the bulk, using characteristic peaks for identification, reveal that in ultrasound-compacted tablets ibuprofen partially disappears from the top face of the tablet.

Pharmaceutics published new progress about Compaction. 64519-82-0 belongs to class alcohols-buliding-blocks, name is (3R,4R,5R)-6-(((2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexane-1,2,3,4,5-pentaol, and the molecular formula is C12H24O11, Safety of (3R,4R,5R)-6-(((2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexane-1,2,3,4,5-pentaol.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Muzikova, Jitka published the artcileEnergy evaluation of the compaction process of directly compressible isomalt, Synthetic Route of 64519-82-0, the main research area is isomalt compaction compressibility lubricant tablet.

The paper compares the compressibility of 2 directly compressible isomalts, galenlQ 720 and galenlQ 721, using the energy evaluation of the compaction process by the force-displacement profiles. It evaluates the energies for friction, energies accumulated by the tablet, energy of decompression, energy of compaction and plasticity in pure dry binders, in dry binders with lubricants (0.5 and 1% of magnesium stearate and sodium stearyl fumarate) and further in the tableting materials containing the model ingredients acetylsalicylic acid and ascorbic acid. The results of the study have revealed that lower values of the energy for friction and compaction with the identical compression force are found by the substance galenlQ 720, which is therefore better compressible than the substance galenlQ 721.

Ceska a Slovenska Farmacie published new progress about Compaction. 64519-82-0 belongs to class alcohols-buliding-blocks, name is (3R,4R,5R)-6-(((2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexane-1,2,3,4,5-pentaol, and the molecular formula is C12H24O11, Synthetic Route of 64519-82-0.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Wang, Jinglan published the artcileEffect of diesel blended with di-n-butyl ether/1-octanol on combustion and emission in a heavy-duty diesel engine, Safety of n-Octanol, the main research area is butyl ether octanol diesel engine blend combustion emission; Butyl ether; Combustion; Diesel engine; Emission; Octanol.

Two kinds of C8 isomers, di-Bu ether (DNBE) and 1-octanol, as potential oxygen-containing alternative fuels, show important value in the trade-off between efficiency and emission. In the present work, the effects of DNBE/1-octanol with different proportions (0, 10%, and 20%) blended into diesel on the combustion characteristics, fuel economy, and emission characteristics in a six-cylinder heavy-duty diesel engine were studied at low, medium, and high loads. 1-Octanol with a 20% blending ratio showed different combustion characteristics in the cylinder compared with the other fuels. The economic anal. showed that the brake specific fuel consumption of DNBE-diesel blend fuels was higher than that of 1-octanol-diesel blend fuels, while brake thermal efficiency was the opposite tendency. The emissions of nitrogen oxides (NOx), hydrocarbons (HC), and carbon monoxide (CO) were affected by the types of blend fuels, blending ratios, and loads. In comparison with 1-octanol-diesel blend fuels, the addition of DNBE in diesel promoted the emission of nitrogen oxides, but inhibited the emissions of soot, HC, and CO. DNBE- and 1-octanol-diesel blend fuels increased the weighted brake specific fuel consumption but decreased the weighted brake thermal efficiency compared with diesel in the World Harmonized Stationary Cycle test cycle of Euro VI regulation. The weighted NOx, HC, soot, and CO emissions of blend fuels depended on the types of blend fuels and blend ratios. The weighted NOx, HC, and soot emissions were reduced by blending 1-octanol into diesel, while the weighted CO emission was increased. The weighted CO and soot emissions of diesel blended with DNBE were reduced than that of diesel.

Environmental Pollution (Oxford, United Kingdom) published new progress about Combustion. 111-87-5 belongs to class alcohols-buliding-blocks, name is n-Octanol, and the molecular formula is C8H18O, Safety of n-Octanol.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Ruiz-Rodriguez, Irene published the artcileExperimental study of the effect of C8 oxygenates on sooting processes in high pressure spray flames, HPLC of Formula: 111-87-5, the main research area is oxygenate sooting spray flame combustion thermo phys chem property.

Oxygenated compounds have the ability to reduce soot emissions and to improve the combustion efficiency in engines. Most studies have focused on the soot reduction potential of shorter carbon chain oxygenates, while longer carbon chain oxygenates are still relatively unexplored. In this work, the soot reduction potential of long carbon chain oxygenates having similar thermo-phys. and chem. properties to those of diesel have been studied, viz., 2-octanone (ketone), 1-octanol (alc.), hexyl acetate (ester) and octanal (aldehyde). These oxygenates were injected at high pressure into a constant volume chamber maintained at high ambient temperature conditions, and their spray flames were investigated using a high-speed, two-color pyrometry system. It was found that for the same injected fuel mass, the oxygenates reduced the overall soot when compared to diesel. Small differences in sooting tendencies were observed between different oxygenated moieties but these were smaller than those relative to diesel. The absence of aromatic groups and the presence of oxygen directly bonded to carbon atoms seemed to have a larger effect on soot reduction than the oxygenated functional group. The oxygenates altered the local oxygen equivalence ratio in the spray, influencing the soot formation and its distribution in the flame. Under the high pressure conditions studied, the average sooting tendency of the long carbon-chain oxygenates studied increased in the order of: ester< aldehyde �alc.HPLC of Formula: 111-87-5.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Li, Qianqian published the artcileExperimental and kinetic modeling study of laminar flame characteristics of higher mixed alcohols, Recommanded Product: n-Octanol, the main research area is higher mixed alc laminar flame kinetic model.

Mixturesof alcs.combining strengths of lower and higher alcs.show promising alternative properties as engine fuel. To aid the extensive application of the mixed alcs., detailed combustion investigation is necessary. In this study, laminar flame speeds and Markstein lengths were measured for simplified higher mixed alcs.(blends of methanol and n-hexanol/n-heptanol/n-octanol) with spherically propagating flame at 0.1 MPa, elevated temperatureof 433 K, and different mixing ratios. A comprehensive model was developed to describe the high temperaturechem.of the mixed alcs. The accuracy of the model was validated with present data. Results reveal that the three higher alcs.exhibited close laminar flame speeds and Markstein lengths resulting from their similar thermal, diffusion, and chem.kinetic properties. With the increasing mixing ratio of the higher alcs., the laminar flame speed decreased, especiallyfor the rich mixtures The maximum laminar flame speed slightly shifted to the lean side. The Markstein length increased at extremely lean mixturesand decreased at extremely rich mixtures, with the intersection occurring at the equivalence ratio between 1.2 and 1.3. The laminar flame speed variation of the mixed alcs.was dominated by chem. kinetics. Reaction pathway analyses indicated that the cracking process of each component in the mixed alcs.remains as that in the pure alcs. Such result demonstrated the chem.kinetic effect resulting from changes in fuel components.

Fuel Processing Technology published new progress about Combustion. 111-87-5 belongs to class alcohols-buliding-blocks, name is n-Octanol, and the molecular formula is C8H18O, Recommanded Product: n-Octanol.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Dubinin, Mikhail V. published the artcileEffect of hypothermia on the functional activity of liver mitochondria of grass snake (Natrix natrix): inhibition of succinate-fueled respiration and K+ transport, ROS-induced activation of mitochondrial permeability transition, Application In Synthesis of 97-67-6, the main research area is Natrix succinate respiration liver mitochondria permeability transition; Ca2+-dependent mitochondrial pore; Fatty acids; Grass snake; Hibernation; Hypothermia; Liver mitochondria; Potassium ions; Reactive oxygen species.

The article considers the comparative anal. of the functional activity of mitochondria isolated from the liver of grass snakes, Natrix natrix (Linnaeus, 1758) that were kept at different temperatures (23-26°C and 4-5°C). It was found that liver mitochondria of hypothermia-exposed grass snakes are characterized by weak coupling of oxidative phosphorylation as compared to mitochondria of active animals which is caused by inhibition of succinate-fuelled respiration in ADP-stimulated state, as well as by activation of basal non-phosphorylating rate. Inhibition of mitochondrial respiration in hibernating animals is associated with a decrease in the activity of the respiratory chain complexes of organelles. Under these conditions, a decrease in the calcium capacity of the organelles was also revealed, which indicates a decrease in the resistance of the mitochondria of hibernating animals to the induction of the Ca2+-dependent mitochondrial pore. All these changes in the functional activity of mitochondria are observed on the background of increasing H2O2 production as well as increasing the proportion of polyunsaturated fatty acids in phospholipid composition of mitochondrial membranes, which are the targets of reactive oxygen species. It can lead to increased formation of lipid peroxides and activation of destructive processes associated with the induction of Ca2+-dependent mitochondrial pore.

Journal of Bioenergetics and Biomembranes published new progress about Cell death. 97-67-6 belongs to class alcohols-buliding-blocks, name is (S)-2-hydroxysuccinic acid, and the molecular formula is C4H6O5, Application In Synthesis of 97-67-6.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Manko, B. O. published the artcileAdaptive respiratory response of rat pancreatic acinar cells to mitochondrial membrane depolarization, Recommanded Product: (S)-2-hydroxysuccinic acid, the main research area is pancreatic acinar cell mitochondrial membrane depolarization adaptive respiratory response.

The dependence of uncoupled respiratory capacity of intact pancreatic acini on oxidative substrate supply and functional cell state has not yet been studied in detail. In this study, the respiratory responses of isolated pancreatic acini to FCCP were measured with Clark electrode and mitochondrial membrane potential was assessed with rhodamine123 fluorescence. The response of acini to FCCP was characterized with maximal uncoupled respiration rate, optimal FCCP concentration, respiration acceleration and deceleration. Maximal uncoupled respiration rate substantially increased upon the oxidation of glucose + glutamine (3.03 ± 0.54 r.u.), glucose + glutamine + pyruvate (2.82 ± 0.51 r.u.), glucose + isocitrate (2.71 ± 0.33 r.u.), glucose + malate (2.75 ± 0.38 r.u.), glucose + monomethyl-succinate (2.64 ± 0.42 r.u.) or glucose + dimethyl-α-ketoglutarate (2.36 ± 0.33 r.u.) comparing to glucose alone (1.73-2.02 r.u.) or no substrate (1.76 – 0.33 r.u.). The optimal FCCP concentration was the highest (1.75 μM) upon glucose + glutamine + pyruvate combination and the lowest (0.5 μM) upon glutamate, combinations of glucose with isocitrate, malate, succinate or α-ketoglutarate. Respiration acceleration after FCCP application was the highest with dimethyl-α-ketoglutarate. Following the peak respiration, time-dependent deceleration was observed It increased with FCCP concentration and depended on oxidative substrate type. Deceleration was the highest upon malate or isocitrate oxidation but was not observed in case of glutamine or dimethyl-α-ketoglutarate oxidation Pyruvate alone or in combination with glutamine and glucose significantly decreased the depolarizing effect of FCCP on mitochondrial membrane potential and increased respiration elasticity coefficient with respect to the membrane potential change. Thus, in pancreatic acinar cells, the combination of pyruvate, glutamine and glucose enables the optimal adaptive respiratory response to membrane depolarization.

Ukrainian Biochemical Journal published new progress about Catabolism. 97-67-6 belongs to class alcohols-buliding-blocks, name is (S)-2-hydroxysuccinic acid, and the molecular formula is C4H6O5, Recommanded Product: (S)-2-hydroxysuccinic acid.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts