Tag: M.W=250-300

Zhang, Yunchong published the artcileHighly Stable and Nonflammable Hydrated Salt-Paraffin Shape-Memory Gels for Sustainable Building Technology, Computed Properties of 142-90-5, the main research area is stable nonflammable hydrated salt paraffin memory gel.

Hydrated salts (salt hydrates) are highly promising low-temperature phase change materials (PCMs) due to their high cohesive energy d. and low cost. However, they exhibit phase separation, liquid leakage, and inherent supercooling, which hinder their applications in sustainable building technol. Here, we describe the design of a highly stable emulsion gel system (EmulGels) that exhibits nonflammable and shape-memory characteristics. Oleophilic paraffin and hydrophilic hydrated salts, both of which are excellent PCMs typically existing in sep. phases, are combined harmoniously in a gel by a templating water-in-oil Pickering emulsion. Latent heat values of the prepared EmulGels were up to 213.2 J/g (eicosane/disodium hydrogen phosphate dodecahydrate = 1:3). No leakage of eicosane was noticed after heating the EmulGels at 60 °C for 30 min, and the latent heat value remained almost unchanged following 500 thermal cycles. The EmulGel was specifically designed to enable dual-phase crosslinking, which effectively enhanced its shape stability, slowed down loss of water of crystallization in hydrated salts, and decreased the degree of supercooling. Nonflammable characteristic typically found in hydrated salts was also exhibited by the EmulGel, in combination with good mech. properties. The materials characteristics make EmulGels ideal candidates to serve as building construction interlayers for effective thermal building management.

ACS Sustainable Chemistry & Engineering published new progress about Heat storage. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Computed Properties of 142-90-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Zhang, Shuaifeng published the artcileFluorescence enhancement and encapsulation of quantum dots via a novel crosslinked vinyl-ether liquid crystals/polymer composite film, Application In Synthesis of 142-90-5, the main research area is fluorescence quantum dot crosslinked vinylether liquid crystal polymer.

Fluorescence efficiency and stability of quantum dots (QDs) film, which are both key for optoelectronic device, are relatively difficult to be improved simultaneously. Herein, the facile synthesis of vinyl-ether terminated liquid crystals was reported. Based on the host vinyl-ether liquid crystals, the polymer dispersed vinyl-ether liquid crystals (PDVLC), polymer dispersed crosslinked vinyl-ether liquid crystals (PDCVLC) and fluorine-containing polymer dispersed crosslinked vinyl-ether liquid crystals (F-PDCVLC) QDs films were fabricated in succession by dual-step polymerization As a result, the PDVLC film can realize fluorescence enhancement and tuning, whereas the PDCVLC film not only maintain fluorescence enhancement of PDVLC film but also improve the water-resistant performance. More importantly, the formation of crosslinked film makes it convenient to fabricate QDs film. Subsequently, the F-PDCVLC film can further improve the water-resistant properties by introducing fluorine-containing monomers to enhance the hydrophobic performance. This free-standing (F-) PDCVLC film may offer a new avenue to realize the optimization of QDs film performance.

Polymer published new progress about Fluorescence. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Application In Synthesis of 142-90-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Ommura, Yasuyuki published the artcileSelective Coupling and Polymerization of Folded Polymer Micelles to Nanodomain Self-Assemblies, SDS of cas: 142-90-5, the main research area is coupling polymerization folded polymer micelle nanodomain selfassembly.

Herein, we developed selective coupling and polymerization systems of folded polymer micelles via phys. interaction in water. The polymer micelles serve as nanodomains to provide double core micelles, alternating necklace micelles, and micelle-connected hydrogels. For this, cation- or anion-tail unimer micelles and amine- or carboxy-tail unimer micelles were designed; the unimer micelles consist of folded amphiphilic random copolymers carrying hydrophilic poly(ethylene glycol) and hydrophobic or hydrogen-bonding pendants. Mixing a cation-tail micelle and an anion-tail micelle, and even the combination of a double cation-tail micelle and a double anion-tail micelle, selectively provided double-core micelles in water without forming large aggregates. Double core micelles afforded structural transformation into linear or cyclic polymers and dynamic exchange of the micelle domains. In contrast, mixing amine-tail micelles and carboxy-tail micelles gave an alternating necklace micelle or a hydrogel. The controlled connection of polymer micelles was achieved by designing suitable phys. interaction. This technique opened new ways to create various nanodomain self-assemblies with controlled higher-order structure.

ACS Macro Letters published new progress about Fluorescence. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, SDS of cas: 142-90-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xiao, Ouli published the artcileInfluence of triazole pesticides on wine flavor and quality based on multidimensional analysis technology, COA of Formula: C17H34O2, the main research area is wine triazole pesticide flavor food quality; fermentation; flavor components; sensory analysis; triazole pesticides; wine.

Triazole pesticides are widely used to control grapevine diseases. In this study, we investigated the impact of three triazole pesticides-triadimefon, tebuconazole, and paclobutrazol-on the concentrations of wine aroma compounds All three triazole pesticides significantly affected the ester and acid aroma components. Among them, paclobutrazol exhibited the greatest neg. influence on the wine aroma quality through its effect on the ester and acid aroma substances, followed by tebuconazole and triadimefon. Qual. and quant. anal. by solid-phase micro-extraction gas chromatog. coupled with mass spectrometry revealed that the triazole pesticides also changed the flower and fruit flavor component contents of the wines. This was attributed to changes in the yeast fermentation activity caused by the pesticide residues. The study reveals that triazole pesticides neg. impact on the volatile composition of wines with a potential undesirable effect on wine quality, underlining the desirability of stricter control by the food industry over pesticide residues in winemaking.

Molecules published new progress about Fermentation. 41114-00-5 belongs to class esters-buliding-blocks, name is Ethyl pentadecanoate, and the molecular formula is C17H34O2, COA of Formula: C17H34O2.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Kramer, Stefan published the artcileHPMA-Based Nanoparticles for Fast, Bioorthogonal iEDDA Ligation, COA of Formula: C16H30O2, the main research area is antibody immunoconjugate HPMA nanoparticle.

Fast and bioorthogonally reacting nanoparticles are attractive tools for biomedical applications such as tumor pretargeting. In this study, we designed an amphiphilic block copolymer system based on HPMA using different strategies to introduce the highly reactive click units 1,2,4,5-tetrazines (Tz) either at the chain end (Tz-CTA) or statistical into the hydrophobic block. This reactive group undergoes a rapid, bioorthogonal inverse electron-demand Diels-Alder reaction (iEDDA) with trans-cyclooctenes (TCO). Subsequently, this polymer platform was used for the preparation of different Tz-covered nanoparticles, such as micelles and colloids. Thereby it was found that the reactivity of the polymeric micelles is comparable to that of the low molar mass tetrazines. The core-cross-linked micelles can be successfully conjugated at rather low concentrations to large biomacromols. like antibodies, not only in physiol. buffer, but also in human blood plasma, which was confirmed by fluorescence correlation spectroscopy.

Biomacromolecules published new progress about Crosslinking. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, COA of Formula: C16H30O2.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Guan, Song published the artcileLiquid Crystalline Nanowires by Polymerization Induced Hierarchical Self-Assembly, Recommanded Product: Dodecyl 2-methylacrylate, the main research area is liquid crystalline nanowire polymerization hierarchical self assembly.

By taking advantage of strong liquid crystallization ordering and photo dimerization of the mesogen stilbene, we propose large-scale synthesis of nanowires of stilbene-containing block copolymers by polymerization induced hierarchical self-assembly. The interior of nanowires is in the type of liquid crystal (LC) structure with highly ordered smectic LC layers, which are perpendicular to the long axis. The alternative striped structure consists of the polymethacrylate backbone and stilbene-containing side chain. The approach is general toward stilbene-containing block copolymer LC nanowires, irrelevant with the composition of stabilizer blocks. The nanowires become robust with the layered structure preserved after crosslinking via dimerization upon UV irradiation The nanowires reported here may provide one-dimensional model blocks toward superstructures, which can be used in the fields of elec. nanoconductors, functional additives, etc.

Macromolecules (Washington, DC, United States) published new progress about Crosslinking. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Recommanded Product: Dodecyl 2-methylacrylate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xia, Shan published the artcileBioinspired Dynamic Cross-Linking Hydrogel Sensors with Skin-like Strain and Pressure Sensing Behaviors, Quality Control of 142-90-5, the main research area is hydrogel strain pressure sensor.

Biomimetic skin-like elec. materials have been rapidly developed for human-machine interfaces, health monitoring and soft robots. However, it is still a challenge of achieving a combination of the mech. and sensory properties like human skin. Here, a bioinspired phys. crosslinking hydrogel sensor is designed and fabricated based on an ionic conductive hydrogel with hybrid latex particles phys. crosslinked network. The hydrogels exhibit excellent mech. adaptability similar to human skin, including low modulus, excellent stretchability, robust elasticity, rapid self-recoverability and good antifatigue property. Moreover, the addition of LiCl gives hydrogel ideal ionic conducive behavior as high-performance wearable sensors. The hydrogel-based sensor exhibits high sensitivity (GF=5.44) at a broad strain window (0.25-2000%), excellent pressure sensing capability, rapid response time, negligible hysteresis and good durability. As a result, the hydrogel sensor can monitor various human motions, including large-scale joint bending, running and jumping, as well as tiny phonating and breathing. Therefore, the strategy will broaden the path for new generation of biomimetic sensors with skin-like mech. and strain and pressure sensing performances.

Chemistry of Materials published new progress about Crosslinking. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Quality Control of 142-90-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Gyorgy, Csilla published the artcileSynthesis and derivatization of epoxy-functional sterically-stabilized diblock copolymer spheres in non-polar media: does the spatial location of the epoxy groups matter, Recommanded Product: Dodecyl 2-methylacrylate, the main research area is epoxy functionalized sterically stabilized diblock copolymer sphere synthesis.

Epoxy-functional sterically-stabilized diblock copolymer spherical nanoparticles were synthesized via polymerization-induced self-assembly (PISA) in mineral oil. Epoxy groups were located either (i) in the nanoparticle cores or (ii) within the steric stabilizer chains. For the first system, RAFT dispersion polymerization of glycidyl methacrylate (GlyMA) was conducted using a poly(lauryl methacrylate) (PLMA63) precursor. The second system involved statistical copolymerization of GlyMA with lauryl methacrylate to produce a P(LMA50-stat-GlyMA9) precursor followed by chain extension using Me methacrylate (MMA). 1H NMR studies and THF GPC anal. indicated that high monomer conversions (â‰?95%) and narrow mol. weight distributions (Mw/Mn â‰?1.17) were obtained for both formulations. Dynamic light scattering indicated hydrodynamic diameters of 26 nm and 28 nm for P(LMA50-stat-GlyMA9)-PMMA67 and PLMA63-PGlyMA89 spheres, resp. Transmission electron microscopy studies confirmed a well-defined spherical morphol. in each case. Post-polymerization modification of these spherical nanoparticles was examined by reacting the epoxy groups with benzylamine. For the PLMA63-PGlyMA89 spheres, an [amine]/[epoxy] molar ratio of unity was sufficient to react all the epoxy groups. In contrast, the P(LMA50-stat-GlyMA9)-PMMA67 spheres required a fifty-fold excess of benzylamine for complete reaction. Furthermore, epoxy ring-opening reactions were conducted using either a trace amount of water or 50% volume/volume aqueous acetic acid at 110°C.

Polymer Chemistry published new progress about Crosslinking. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Recommanded Product: Dodecyl 2-methylacrylate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Wee, Chan Woo published the artcileNewly synthesized DNA methyltransferase inhibitors as radiosensitizers for human lung cancer and glioblastoma cells, Category: esters-buliding-blocks, the main research area is glioblastoma cell DNA methyltransferase inhibitor radiosensitizer; DNA methyltransferase; glioblastoma; lung cancer; radiosensitizer; radiotherapy.

Improvement of the efficacy of radiotherapy for lung cancer and glioblastoma is urgently needed. We synthesized several novel DNA methyltransferase inhibitors and evaluated their potentials as possible radiosensitizers. Eleven non-nucleoside compounds were synthesized and evaluated along with one known compound using human lung cancer (A549) and glioblastoma (U373MG) cells. Cytotoxicity and radiosensitizing effects were evaluated using clonogenic assay. Sensitizer enhancement ratios at a survival fraction of 0.5 were calculated, and statistical anal. was performed using the ratio paired t-test. The inhibitory effects of three selected compounds on the activity of DNA methyltransferase 1 (DNMT1) and the pharmacokinetic profiles were analyzed. All twelve compounds demonstrated various levels of cytotoxicity. Of the twelve compounds, eleven and eight compounds radiosensitized A549 and U373MG cells, resp., with at least marginal significance (p<0.10). The sensitizer enhancement ratios in A549 and U373MG ranged 1.166-2.537 and 1.083-1.743 among compounds with radiosensitizing effects, resp. The three selected compounds inhibited DNMT1 activity by 26.5-78.5%. Elimination half-lives ranged from 0.3 to 1.3 h. Novel DNA methyltransferase inhibitors with significant radiosensitizing capacity and improved biostability were synthesized. These materials will serve as a basis for the development of novel radiosensitizers. Anticancer Research published new progress about Cytotoxicity. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Category: esters-buliding-blocks.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Sreedevi, Adikay published the artcilePhytochemical analysis and pharmacological evaluation of ethanol extract of fruits of Grewia tiliaefolia for nephroprotective activity, Quality Control of 41114-00-5, the main research area is Grewia fruit extract phytochem nephroprotective.

The present study was undertaken to screen the phytochems. present in fruits of Grewia tiliaefolia and to evaluate the potential role of these fruits in the amelioration of cisplatin-induced nephrotoxicity in male Albino rats. Ethanol extract of Fruits of Grewia tiliaefolia was prepared by hot extraction method. The prepared ethanol extract was subjected to preliminary phytochem. evaluation followed by TLC, HPTLC, HPLC and GC-MS anal. The nephroprotective potential of the extract was screened at 200 and 400mg/kg b. w. in both curative and prophylactic regimens in male Albino rats. Nephrotoxicity was induced by single i.p. injection of cisplatin at a dose of 5 mg/kg b.w. The nephroprotective activity was assessed by determining serum markers, urinary parameters, lipid peroxidation and antioxidant levels and his to pathol. studies in renal tissue. Upon preliminary phytochem. screening, the ethanol extract showed the presence of Proteins, flavonoids, Tannins, Terpenoids. HPTLC anal. resulted in a fingerprint of extract showing the presence of 14 compounds TLC and HPLC revealed the presence of quercetin, and GC-MS anal. showed the presence of 80 different phytochems. Pharmacol. studies revealed that administration of extract significantly attenuated the cisplatin- induced nephrotoxicity remarkably by restoring the biochem. and oxidative stress markers in both curative and prophylactic regimens in dose-dependent manner. Thus, the findings of the present study provided the phytochem. profile and validated the ethnomedicinal use of fruits of Grewia tiliaefolia as a renoprotective agent.

International Journal of Pharmaceutical Sciences and Research published new progress about Antioxidants. 41114-00-5 belongs to class esters-buliding-blocks, name is Ethyl pentadecanoate, and the molecular formula is C17H34O2, Quality Control of 41114-00-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics