Month: December 2022

Nanostructured lipid carriers for the encapsulation of phloretin: preparation and in vitro characterization studies was written by Gu, Liyuan;Sun, Rui;Wang, Wenjuan;Xia, Qiang. And the article was included in Chemistry and Physics of Lipids in 2022.SDS of cas: 31566-31-1 The following contents are mentioned in the article:

Phloretin is a powerful antioxidant with many effects, such as anti-cancer, anti-inflammatory, promoting cell renewal, delaying aging and so on. However, the application of phloretin was limited by its low water solubility, low absorption in vivo and unstable properties. A phloretin-loaded nanostructured lipid carrier was designed with a high-pressure homogenization technique. The mean particle size of phloretin NLC was 137.40 ± 3.27 nm, and the Polydispersity index (PdI) value was 0.237 ± 0.005. The encapsulation efficiency was 96.68% ± 0.06%. Transmission electron microscopy images showed that the phloretin-loaded nanostructured lipid carriers were spherical. Phloretin in NLC showed a sustained release pattern in vitro. The results showed that phloretin NLC is more suitable for absorption than phloretin ethanol solution, and NLC can be a promising carrier for phloretin in the food industry. This study involved multiple reactions and reactants, such as Glyceryl monostearate (cas: 31566-31-1SDS of cas: 31566-31-1).

Glyceryl monostearate (cas: 31566-31-1) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.SDS of cas: 31566-31-1

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

Phosphorus and metal removal combined with lipid production by the green microalga Desmodesmus sp.: An integrated approach was written by Rugnini, L.;Costa, G.;Congestri, R.;Antonaroli, S.;Sanita di Toppi, L.;Bruno, L.. And the article was included in Plant Physiology and Biochemistry in 2018.COA of Formula: C20H40O2 The following contents are mentioned in the article:

This work focused on the potential of Desmodesmus sp. to be employed for wastewater bioremediation and biodiesel production The green microalga was grown in a culture medium with a phosphorus (P) content of 4.55 mg L^-1 simulating an industrial effluent; it was also exposed to a bimetal solution of copper (Cu) and nickel (Ni) for 2 days. P removal was between 94 and 100%. After 2 days of exposure to metals, 94% of Cu and 85% of Ni were removed by Desmodesmus sp. Adsorption tests showed that the green microalga was able to remove up to 90% of Cu and 43% of Ni in less than 30 min. The presence of metals decreased the lipid yield, but biodiesel quality from the biomass obtained from metal exposed samples was higher than that grown without metals. This result revealed that this technol. could offer a new alternative solution to environmental pollution and carbon-neutral fuel generation. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8COA of Formula: C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.COA of Formula: C20H40O2

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

Quantification of in-plane flexoelectricity in lipid bilayers was written by Thomas, Nidhin;Agrawal, Ashutosh. And the article was included in EPL in 2021.Safety of (2R,9Z)-1-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)-3-(palmitoyloxy)propan-2-yl oleate The following contents are mentioned in the article:

Lipid bilayers behave as 2D dielec. materials that undergo polarization and deformation in the presence of an elec. field. This effect has been previously modeled by continuum theories which assume a polarization field oriented normal to the membrane surface. However, the mol. architecture of the lipids reveals that the headgroup dipoles are primarily oriented tangential to the membrane surface. Here, we perform atomistic and coarse-grained mol. dynamics simulations to quantify the in-plane polarization undergone by a flat bilayer and a spherical vesicle in the presence of an applied elec. field. We use these predictions to compute an effective in-plane flexoelec. coefficient for four different lipid types. Our findings provide the first mol. proof of the in-plane polarization undergone by lipid bilayers and furnish the material parameter required to quantify membrane-elec. field interactions. This study involved multiple reactions and reactants, such as (2R,9Z)-1-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)-3-(palmitoyloxy)propan-2-yl oleate (cas: 26662-94-2Safety of (2R,9Z)-1-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)-3-(palmitoyloxy)propan-2-yl oleate).

(2R,9Z)-1-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)-3-(palmitoyloxy)propan-2-yl oleate (cas: 26662-94-2) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Safety of (2R,9Z)-1-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)-3-(palmitoyloxy)propan-2-yl oleate

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

LC-MS/MS screening for 36 chemical components in health food and Chinese traditional patent medicine was written by Li, Dan;Wen, Hongmei;Cui, Fuchun;Huang, Ya;Guo, Chun;Sun, Xiarong;Yang, Jingping. And the article was included in Yaowu Fenxi Zazhi in 2010.Safety of 4-Acetamidophenyl 2-acetoxybenzoate The following contents are mentioned in the article:

A liquid chromatog.-tandem mass chromatog. (LC-MS/MS) method for the simultaneous screening 36 chem. components in health food and Chinese Traditional Patent Medicine was established. This method involves liquid chromatog.-tandem mass spectrometry, the separation was conducted by Sunfire C₁₈ (2.1 mm × 100 mm, 5.0 μm). The mobile phase consisted of 0.1% formic acid and methanol (25:75). The target compounds were analyzed with LC-MS/MS-ESI. Multiple-reaction monitoring (MRM) was used to screen 36 chem. components in health food and Chinese Traditional Patent Medicine. A fast and sensitive liquid chromatog. mass spectrometric (LC/MS) method for the simultaneous screening of 36 chem. components was described. The LOD of these substances were below 20 ng. The method was sufficiently selective and sensitive to detect chem. components in health food and Chinese Traditional Patent Medicine. This study involved multiple reactions and reactants, such as 4-Acetamidophenyl 2-acetoxybenzoate (cas: 5003-48-5Safety of 4-Acetamidophenyl 2-acetoxybenzoate).

4-Acetamidophenyl 2-acetoxybenzoate (cas: 5003-48-5) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Safety of 4-Acetamidophenyl 2-acetoxybenzoate

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

Characterization of response frequency for the pressure-sensitive paint based on fluorine-containing polymer matrixes using oscillating sound wave technique was written by Shao, Yun;Chen, Liusheng;Liao, Qi;Jiang, Heng;Liu, Zhitian;Jin, Xigao;Gao, Limin. And the article was included in Sensors in 2020.Computed Properties of C7H6F6O2 The following contents are mentioned in the article:

Five kinds of new homo-polymer and copolymers of methacrylate containing a fluorine ester group were synthesized and used for the binder of pressure-sensitive paint (PSP)to ensure the good compatibility between luminophore (Pt(II) meso-tetra (pentafluorophenyl) porphine (PtTFPP)) and polymer binder. In the work, we were concerned with how the structure of these polymers containing fluorine, especially the various ester group structure, affects the response frequency of PSP using oscillating sound wave technique. The results showed that the pressure sensitivities (Sp) of these PSP samples containing different polymers, exhibit some difference. The length of ester chain on the methacrylate polymer affects the response frequency of PSP sensor layer composed of the polymer. The longer the chain length of the ester group, the higher the response frequency of the PSP sensor layer quenching by oxygen. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Computed Properties of C7H6F6O2).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Computed Properties of C7H6F6O2

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

Effect of gamma irradiation on the shelf-life and physico-chemical quality of ready-to-cook (RTC) drumstick (Moringa oleifera) pods was written by Tripathi, J.;Variyar, P. S.. And the article was included in LWT–Food Science and Technology in 2018.Computed Properties of C4H7NS The following contents are mentioned in the article:

Effect of radiation treatment (0.5, 1, 1.5, 2 and 2.5 kGy) and storage (10 °C; 15 d) on the quality of RTC drumstick was investigated using full factorial exptl. design. The data obtained for total plate count, yeast & mold count, texture, color & sensory quality were fitted into cubic polynomial equations and radiation dose required for maximum storage duration with acceptable microbial load (<10⁵ CFUg^-1) and sensory quality (overall acceptability > 5) was determined An improved shelf-life of the product (12 d) with desired sensory and microbial quality was obtained at a dose of 1 kGy. Better retention of phenolics and isothiocyanates in the irradiated product compared to control (non-irradiated) during entire storage duration (12 d) was demonstrated. Presence of iso-Pr, 2-Bu and iso-Bu isothiocyanate in drumstick pods is demonstrated here for the first time. This study involved multiple reactions and reactants, such as Isopropylisothiocyanate (cas: 2253-73-8Computed Properties of C4H7NS).

Isopropylisothiocyanate (cas: 2253-73-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Computed Properties of C4H7NS

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

Investigation of masked N-acyl-N-isocyanates: Support for oxadiazolones as blocked N-isocyanate precursors was written by Gagne-Monfette, William;Vincent-Rocan, Jean-Francois;Lutes, Owen C.;O’Keefe, Genevieve F.;Jeanneret, Alexandria D. M.;Blanger, Claire;Ivanovich, Ryan A.;Beauchemin, Andre M.. And the article was included in Chemistry – A European Journal in 2021.Category: esters-buliding-blocks The following contents are mentioned in the article:

In contrast to carbon-substituted isocyanates that are common building blocks, N-substituted isocyanates remain underdeveloped and reports on their N-acyl derivatives (i. e. amido-isocyanates) are exceedingly rare. Herein, amido-isocyanates were investigated in the context of syntheses of aza-tripeptide and hydantoins subunits starting from simple bench-stable precursors. A key finding is that the amido-isocyanate formed in situ cyclized to yield an oxadiazolone, and that under suitable reaction conditions this heterocycle is a traceless blocked (masked) N-isocyanate. Using organic bases as catalysts and upon heating, oxadiazolone formation is observed, and various nucleophiles to provide the desired aza-dipeptides or hydantoins in moderate to high yields. Further support for an amido-isocyanate intermediate was obtained using carboxylic acids as nucleophiles, affording N-acylhydrazide products. This study involved multiple reactions and reactants, such as Diphenyl carbonate (cas: 102-09-0Category: esters-buliding-blocks).

Diphenyl carbonate (cas: 102-09-0) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Category: esters-buliding-blocks

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

Synthesis of a New Benzoate Plasticizer for Polyvinyl Chloride Based on a 2-Ethylhexanol By-Product was written by Maydanova, I. O.;Lakeev, S. N.;Ishalina, O. V.;Nikitina, A. P.. And the article was included in Russian Journal of Applied Chemistry in 2020.Recommanded Product: 5444-75-7 The following contents are mentioned in the article:

When 2-ethylhexyl alc. is produced by the propylene oxo synthesis, 2-ethylhexanol distillation residue (EDR), a large-tonnage byproduct, is formed. Monitoring of various batches of this byproduct produced by LLC “Gazprom Neftekhim Salavat” showed demonstrated in addition to the main substance 2-ethylhexanol, 2,4-diethyl-1,3-octanediol is present in a significant amount (15-25%). The purpose of the work was to study the possibility of producing a benzoate plasticizer based on a fraction isolated from EDR and enriched with 2,4-diethyl-1,3-octanediol. As a result of research, a product was synthesized containing 76.2% of benzoic acid esters, including 53.1% of mixture of 2,4-diethyl-1,3-octanediol monobenzoates and monoalcs. C₈, C₁₂, and 23.1% of 2,4-diethyl-1,3-octanediol dibenzoate. The product exhibited good compatibility with polyvinyl chloride and plasticizing properties. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Recommanded Product: 5444-75-7).

2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Recommanded Product: 5444-75-7

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

Characterization of key aroma-active compounds in Hanyuan Zanthoxylum bungeanum by GC-O-MS and switchable GC x GC-O-MS was written by Zhao, Mu;Li, Ting;Yang, Fan;Cui, Xinyue;Zou, Tingting;Song, Huanlu;Liu, Ye. And the article was included in Food Chemistry in 2022.Recommanded Product: Octyl acetate The following contents are mentioned in the article:

The present study sought to characterize the composition of volatile aroma compounds and key aroma-active compounds of dried Hanyuan Zanthoxylum bungeanum. The volatile aroma compounds were analyzed by the solid-phase microextraction (SPME) combined with gas chromatog.-olfactometry-mass spectrometry (GC-O-MS) and two-dimensional comprehensive gas chromatog.-olfactometry-mass spectrometry (GC x GC-O-MS). The key aroma-active compounds were analyzed by the aroma extract dilution anal. and odor activity value. A total of 72 volatile compounds were identified by GC-O-MS, of which 28 were aroma-active. Meanwhile, 116 volatile compounds were identified by GC x GC-O-MS, of which 43 were aroma-active. These results revealed that myrcene, (+)-limonene, (E)-β-ocimene, β-cubebene, Germacrene D, cineole, linalool, and linalyl acetate were the key aroma-active compounds of dried Hanyuan Zanthoxylum bungeanum. This study involved multiple reactions and reactants, such as Octyl acetate (cas: 112-14-1Recommanded Product: Octyl acetate).

Octyl acetate (cas: 112-14-1) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Recommanded Product: Octyl acetate

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

A biocompatible supramolecular hydrogel with multivalent galactose ligands inhibiting Pseudomonas aeruginosa virulence and growth was written by Liu, Shengnan;Li, Hang;Zhang, Jikun;Tian, Xin;Li, Xinming. And the article was included in RSC Advances in 2020.Related Products of 604-69-3 The following contents are mentioned in the article:

In recent years, peptide self-assembly proved to be an efficient strategy to create complex structures or functional materials with nanoscale precision. In this work, we designed and synthesized a novel glycopeptide mol. with a galactose moiety through peptide galactosylation. Then relying on peptide self-assembling strategies, we created a supramol. hydrogel with multivalent galactose ligands on the surface of self-assembled nanofibers for mol. recognition and interactions. Because of multivalent galactose-LecA interactions, the self-assemblies of glycopeptide could target P. aeruginosa specifically, and acted as anti-virulence and antibacterial agents to inhibit biofilm formation and bacterial growth of P. aeruginosa. Moreover, in association with polymyxin B, a common antibiotic, the glycopeptide hydrogel exhibited a synergistic growth inhibition effect on biofilm colonization of P. aeruginosa. This study involved multiple reactions and reactants, such as (2S,3R,4S,5R,6R)-6-(Acetoxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate (cas: 604-69-3Related Products of 604-69-3).

(2S,3R,4S,5R,6R)-6-(Acetoxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate (cas: 604-69-3) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Related Products of 604-69-3

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