Alcohols-buliding-blocks

On September 9, 2020, Elimelech, Orian; Aviv, Omer; Oded, Meirav; Banin, Uri published an article.Category: alcohols-buliding-blocks The title of the article was A Tale of Tails: Thermodynamics of CdSe Nanocrystal Surface Ligand Exchange. And the article contained the following:

The surface ligands of semiconductor nanocrystals (NCs) are central for determining their properties and for their flexible implementation in diverse applications. Thus far, the thermodn. characteristics of ligand exchange reactions were attained by indirect methods. Isothermal titration calorimetry is utilized to directly and independently measure both the equilibrium constant and the reaction enthalpy of a model ligand exchange reaction from oleate-capped CdSe NCs to a series of alkylthiols. Increased reaction exothermicity for longer chains, accompanied by a decrease in reaction entropy with an overall enthalpy-entropy compensation behavior is observed, explained by the length-dependent interchain interactions and the organization of the bound ligands on the NCs’ surface. An increase in the spontaneity of the reaction with decreasing NC size is also revealed, due to their enhanced surface reactivity. This work provides a fundamental understanding of the physicochem. properties of the NC surface with implications for NC surface ligand design. The experimental process involved the reaction of 1-Decanethiol(cas: 143-10-2).Category: alcohols-buliding-blocks

The Article related to cadmium selenide nanocrystal ligand exchange thiol, cdse nanocrystals, enthalpy−entropy compensation, isothermal titration calorimetry, ligand exchange, nanocrystal surface analysis and other aspects.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On October 25, 2021, Macho, Oliver; Gabrisova, Ludmila; Brokesova, Jana; Svacinova, Petra; Muzikova, Jitka; Galbava, Paulina; Blasko, Jaroslav; Sklubalova, Zdenka published an article.Application of 585-88-6 The title of the article was Systematic study of paracetamol powder mixtures and granules tabletability: Key role of rheological properties and dynamic image analysis. And the article contained the following:

The aim of this systematic study was to analyze the granulometric and rheol. behavior of tableting mixtures in relation to tabletability by single tablet and lab-scale batch compression with an eccentric tablet machine. Three mixtures containing 33, 50, and 66% of the cohesive drug paracetamol were prepared The high compressibility of the powder mixtures caused problems with overcompaction or lamination in the single tablet compression method; due to jamming of the material during the filling of the die, the lab-scale batch compression was impossible. Using high shear granulation, the flow properties and tabletability were adjusted. A linear relationship between the span of granules and the specific energy measured by FT4 powder rheometer was detected. In parallel, a linear relationship between conditioned bulk d. and the tensile strength of the tablets at lab-scale batch tableting was noted. The combination of dynamic image anal. and powder rheometry was useful for predicting the tabletability of pharmaceutical mixtures during the single tablet (design) compression and the lab-scale batch compression. The experimental process involved the reaction of SweetPearlR P300 DC Maltitol(cas: 585-88-6).Application of 585-88-6

The Article related to paracetamol powder mixture granule tabletability dynamic image analysis, dynamic image analysis, heckel analysis, high shear granulation, paracetamol, powder rheology, tabletability and other aspects.Application of 585-88-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On August 31, 2022, Ma, Xiaoyao; Bai, Yongping; Liu, Kaixin; Han, Yiman; Zhang, Jinling; Liu, Yuteng; Hou, Xiaotao; Hao, Erwei; Hou, Yuanyuan; Bai, Gang published an article.HPLC of Formula: 473-81-4 The title of the article was Ursolic acid inhibits the cholesterol biosynthesis and alleviates high fat diet-induced hypercholesterolemia via irreversible inhibition of HMGCS1 in vivo. And the article contained the following:

In hypercholesteremia, the concentrations of total cholesterol (TC) and low-d. lipoprotein cholesterol (LDL-C) are enhanced in serum, which is strongly associated with an increased risk of developing atherosclerosis. Ursolic acid (UA), a pentacyclic terpenoid carboxylic acid, was found to alleviate hypercholesterolemia and hypercholesterolemia-induced cardiovascular disease. However, the specific targets and mol. mechanisms related to the effects of UA in reducing cholesterol have not been elucidated. In this study, we aimed to illustrate the target of UA in the treatment of hypercholesterolemia and to reveal its underlying mol. mechanism. Nontargeted metabolomics was conducted to analyze the metabolites and related pathways that UA affected in vivo. The main lipid metabolism targets of UA were analyzed by target fishing and fluorescence colocalization in mouse liver. Mol. docking, in-gel fluorescence scan and thermal shift were assessed to further investigate the binding site of the UA metabolite with HMGCS1. C57BL/6 mice were fed a high-fat diet (HFD) for 12 wk to induce hypercholesteremia. Liver tissues were used to verify the cholesterol-lowering mol. mechanism of UA by targeted metabolomics, serum was used to detect biochem. indexes, and the entire aorta was used to analyze the formation of atherosclerotic lesions. Our results showed that hydroxy-3-methylglutaryl CoA synthetase 1 (HMGCS1) was the primary lipid metabolism target protein of UA. The UA metabolite epoxy-modified UA irreversibly bonds with the thiol of Cys-129 in HMGCS1, which inhibits the catalytic activity of HMGCS1 and reduces the generation of precursors in cholesterol biosynthesis in vivo. The contents of TC and LDL-C in serum and the formation of the atherosclerotic area in the entire aorta were markedly reduced with UA treatment in Diet-induced hypercholesteremia mice. UA inhibits the catalytic activity of HMGCS1, reduces the generation of downstream metabolites in the process of cholesterol biosynthesis and alleviates Diet-induced hypercholesteremia via irreversible binding with HMGCS1 in vivo. It is the first time to clarify the irreversible inhibition mechanism of UA against HMGCS1. This paper provides an increased understanding of UA, particularly regarding the mol. mechanism of the cholesterol-lowering effect, and demonstrates the potential of UA as a novel therapeutic for the treatment of hypercholesteremia. The experimental process involved the reaction of 2,3-Dihydroxypropanoic acid(cas: 473-81-4).HPLC of Formula: 473-81-4

The Article related to ursolic acid anticholesteremic hmgcs1 cholesterol biosynthesis hypercholesterolemia, cholesterol biosynthesis, covalent binding, hmgcs1, hypercholesteremia, metabolite, ursolic acid and other aspects.HPLC of Formula: 473-81-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On December 25, 2021, Luo, Xue; Huang, Xueyan; Luo, Zhen; Wang, Zeze; He, Genlin; Tan, Yulong; Zhang, Boyi; Zhou, Huan; Li, Ping; Shen, Tingting; Yu, Xueting; Yang, Xuesen published an article.Quality Control of 3-Hydroxyphenylacetic acid The title of the article was Electromagnetic field exposure-induced depression features could be alleviated by heat acclimation based on remodeling the gut microbiota. And the article contained the following:

Electromagnetic pollution cannot be ignored. Long-term low-dose electromagnetic field (EMF) exposure can cause central nervous system dysfunction without effective prevention. Male C57BL/6J mice (6-8 wk, 17-20 g) were used in this study. Depression-like and anxiety-like behaviors detected by behavioral experiments were compared among different treatments. 16S rRNA gene sequencing and non-targeted liquid chromatog.-mass spectrometry (LC-MS) metabolomics were used to explore the relationship between EMF exposure and heat acclimation (HA) effects on gut microbes and serum metabolites. Both EMF and HA regulated the proportions of p_Firmicutes and p_Bacteroidota. EMF exposure caused the proportions of 6 kinds of bacteria, such as g_Butyricicoccus and g_Anaerotruncus, to change significantly (p < 0.05). HA restored the balance of gut microbes that was affected by EMF exposure and the proportion of probiotics (g_Lactobacillus) increased significantly (p < 0.01). Serum metabolite anal. suggested that HA alleviated the disturbance of serum metabolites (such as cholesterol and -mannose) induced by EMF exposure. Both the metabolic KEGG pathways and PICRUSt functional anal. demonstrated that tryptophan metabolism, pyrimidine metabolism and amino acid biosynthesis were involved. EMF exposure not only led to depression-like neurobehavioral disorders, but also to gut microbiota imbalance. HA alleviated the depression features caused by EMF exposure. Based on the anal. of gut microbiota associated with serum metabolites, we speculated that gut microbiota might play a vital role in the cross-tolerance provided by HA. The experimental process involved the reaction of 3-Hydroxyphenylacetic acid(cas: 621-37-4).Quality Control of 3-Hydroxyphenylacetic acid

The Article related to lactobacillus firmicutes depression electromagnetic field gut microbiota, cross-tolerance, depression, electromagnetic field, gut microbiota, heat acclimation, metabolomics analysis and other aspects.Quality Control of 3-Hydroxyphenylacetic acid

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On January 25, 2022, Heremans, Isaac P.; Caligiore, Francesco; Gerin, Isabelle; Bury, Marina; Lutz, Marilena; Graff, Julie; Stroobant, Vincent; Vertommen, Didier; Teleman, Aurelio A.; Van Schaftingen, Emile; Bommera, Guido T. published an article.Related Products of 473-81-4 The title of the article was Parkinson′s disease protein PARK7 prevents metabolite and protein damage caused by a glycolytic metabolite. And the article contained the following:

Cells are continuously exposed to potentially dangerous compounds Progressive accumulation of damage is suspected to contribute to neurodegenerative diseases and aging, but the mol. identity of the damage remains largely unknown. Here we report that PARK7, an enzyme mutated in hereditary Parkinson′s disease, prevents damage of proteins and metabolites caused by a metabolite of glycolysis. We found that the glycolytic metabolite 1,3-bisphosphoglycerate (1,3-BPG) spontaneously forms a novel reactive intermediate that avidly reacts with amino groups. PARK7 acts by destroying this intermediate, thereby preventing the formation of proteins and metabolites with glycerate and phosphoglycerate modifications on amino groups. As a consequence, inactivation of PARK7 (or its orthologs) in human cell lines, mouse brain, and Drosophila melanogaster leads to the accumulation of these damaged compounds, most of which have not been described before. Our work demonstrates that PARK7 function represents a highly conserved strategy to prevent damage in cells that metabolize carbohydrates. This represents a fundamental link between metabolism and a type of cellular damage that might contribute to the development of Parkinson′s disease. The experimental process involved the reaction of 2,3-Dihydroxypropanoic acid(cas: 473-81-4).Related Products of 473-81-4

The Article related to park7 neuroprotectant metabolite protein cell damage glycolysis parkinson disease, parkinson’s disease, glycolysis, metabolite damage, posttranslational modification, protein damage and other aspects.Related Products of 473-81-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On July 15, 2020, Yuan, Bo; Zhao, Danyue; Kshatriya, Dushyant; Bello, Nicholas T.; Simon, James E.; Wu, Qingli published an article.Name: 3-Hydroxyphenylacetic acid The title of the article was UHPLC-QqQ-MS/MS method development and validation with statistical analysis: Determination of raspberry ketone metabolites in mice plasma and brain. And the article contained the following:

Raspberry ketone (RK) (4-(4-hydroxyphenyl)-2-butanone) is the major compound responsible for the characteristic aroma of red raspberries, and has long been used com. as a flavoring agent and recently as a weight loss supplement. A targeted UHPLC-QqQ-MS/MS method was developed and validated for anal. of RK and 25 associated metabolites in mouse plasma and brain. Dispersion and projection anal. and central composite design were used for method optimization. Random effect anal. of variance was applied for validation inference and variation partition. Within this framework, repeatability, a broader sense of precision, was calculated as fraction of accuracy variance, reflecting instrumental imprecision, compound degradation and carry-over effects. Multivariate correlation anal. and principle component anal. were conducted, revealing underlying association among the manifold of method traits. R programming was engaged in streamlined statistical anal. and data visualization. Two particular phenomena, the analytes’ background existence in the enzyme solution used for phase II metabolites deconjugation, and the noted lability of analytes in pure solvent at 4° vs. elevated stability in biomatrices, were found critical to method development and validation. The approach for the method development and validation provided a foundation for experiments that examine RK metabolism and bioavailability. The experimental process involved the reaction of 3-Hydroxyphenylacetic acid(cas: 621-37-4).Name: 3-Hydroxyphenylacetic acid

The Article related to uhplc mass spectrometry statistical analysis raspberry ketone metabolite, design of experiment, metabolomics, multivariate analysis, random effects anova, surface response modelling and other aspects.Name: 3-Hydroxyphenylacetic acid

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On September 30, 2022, Li, Junnan; Li, Yannan; Duan, Wenzhe; Zhao, Zhonghui; Yang, Lixuan; Wei, Wei; Li, Jingchun; Li, Yang; Yu, Yao; Dai, Baoan; Guo, Rongjuan published an article.Category: alcohols-buliding-blocks The title of the article was Shugan granule contributes to the improvement of depression-like behaviors in chronic restraint stress-stimulated rats by altering gut microbiota. And the article contained the following:

The investigation aims to evaluate the potential effect of Shugan Granule (SGKL) on the gut, brain, and behaviors in rats exposed to chronic restraint stress (CRS). The fecal microbiota and metabolite changes were studied in rats exposed to CRS and treated with SGKL (0.1 mg/kg/day). Depressive behaviors of these rats were determined through an open-field experiment, forced swimming test, sucrose preference, and weighing. Moreover, LPS-stimulated microglia and CRS-stimulated rats were treated with SGKL to investigate the regulation between SGKL and the PI3K/Akt/pathway, which is inhibited by LY294002, a PI3K inhibitor. (I) SGKL improved the altered behaviors in CRS-stimulated rats; (ii) SGKL ameliorated the CRS-induced neuronal degeneration and tangled nerve fiber and also contributed to the recovery of intestinal barrier injury in these rats; (iii) SGKL inhibited the hippocampus elevations of TNF-α, IL-1β, and IL-6 in response to CRS modeling; (iv) based on the principal coordinates anal. (PCoA), SGKL altered α-diversity indexes and shifted β-diversity in CRS-stimulated rats; (v) at the genus level, SGKL decreased the CRS-enhanced abundance of Bacteroides; (vi) Butyricimonas and Candidatus Arthromitus were enriched in SGKL-treated rats; (vii) altered gut microbiota and metabolites were correlated with behaviors, inflammation, and PI3K/Akt/mTOR pathway; (viii) SGKL increased the LPS-decreased phosphorylation of the PI3K/Akt/mTOR pathway in microglia and inhibited the LPS-induced microglial activation; (ix) PI3K/Akt/mTOR pathway inactivation reversed the SGKL effects in CRS rats. SGKL targets the PI3K/Akt/mTOR pathway by altering gut microbiota and metabolites, which ameliorates altered behavior and inflammation in the hippocampus. The experimental process involved the reaction of SweetPearlR P300 DC Maltitol(cas: 585-88-6).Category: alcohols-buliding-blocks

The Article related to shugan granule antidepressant gut microbiota depression chronic restraint stress, shugan granule, chronic restraint stress, depression-like behaviors, gut metabolome, gut microbiota and other aspects.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On February 3, 2021, Cao, Jian; Gao, Dejun; Li, Chun; Si, Xiaoqing; Jia, Jianshu; Qi, Junlei published an article.Product Details of 143-10-2 The title of the article was Bioinspired Metal-Intermetallic Laminated Composites for the Fabrication of Superhydrophobic Surfaces with Responsive Wettability. And the article contained the following:

Hundreds of copper and titanium foils were applied to prepare biomimetic metal-intermetallic laminated composites by diffusion bonding. The cross sections of the obtained diffusion bonded bulks were etched selectively with FeCl3 solution to get regular microarray structures. This kind of microstructure was controlled accurately and promptly by simple parameter adjustment. The etched surfaces were modified with 1-dodecanethiol, and the water contact angles (WCAs) were measured. The relationship between the microstructure and wettability of the achieved material was discussed, and the reason for the anisotropic wettability was also analyzed. Then etched surfaces were anodized in different electrolyte solutions to obtain different nanostructures. The morphol. and chem. compositions of the surfaces were analyzed. The surfaces with CuO nanostructures by modification show superhydrophobicity with self-cleaning, on which the WCA and water sliding angle are 160.9° and 0.8°, resp. The surfaces with TiO2 nanostructures without modification show UV light-responsive wettability. After modification with 11-mercaptoundecanoic acid and 1-decanethiol, the surfaces also exhibit pH-responsive wettability. The superhydrophobic surfaces with responsive wettability have potential applications in biotechnol. and microfluidics. The experimental process involved the reaction of 1-Decanethiol(cas: 143-10-2).Product Details of 143-10-2

The Article related to laminated composite superhydrophobic surface wettability copper titanium, mil composites, biomimetic surfaces, controlled microstructures, responsive wettability, superhydrophobicity and other aspects.Product Details of 143-10-2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On June 5, 2020, Tran, Cong Chi; Kawaguchi, Shin-ichi; Sato, Fumiya; Nomoto, Akihiro; Ogawa, Akiya published an article.Application In Synthesis of 1-Decanethiol The title of the article was Photoinduced Cyclizations of o-Diisocyanoarenes with Organic Diselenides and Thiols that Afford Chalcogenated Quinoxalines. And the article contained the following:

This study describes the syntheses of 2,3-bis(selanyl)quinoxalines via the photoinduced cyclizations of o-diisocyanoarenes with diaryl or dialkyl diselenides, in addition to providing a detailed discussion of the corresponding mechanism and revealing that the developed procedure can also be applied to prepare 2-thiolated quinoxaline derivatives from o-diisocyanoarenes and thiols. The developed technique does not need the use of additives or metal catalysts and features the advantages of a high conversion, a broad substrate scope, and mild reaction conditions, thereby rendering it a valuable addition to the quinoxaline synthesis toolbox. The experimental process involved the reaction of 1-Decanethiol(cas: 143-10-2).Application In Synthesis of 1-Decanethiol

The Article related to diselenide diisocyanoarene photoinduced cyclization light, bisselanyl quinoxaline preparation, thiol diisocyanoarene photoinduced cyclization light, thiolated quinoxaline preparation and other aspects.Application In Synthesis of 1-Decanethiol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

On January 20, 2022, Lee, Hwanhui; To, Ngoc Bao; Kim, Myeongsun; Nguyen, Yen Thi-Kim; Cho, Somi Kim; Choi, Hyung-Kyoon published an article.Application In Synthesis of 2,3-Dihydroxypropanoic acid The title of the article was Metabolic and lipidomic characterization of radioresistant MDA-MB-231 human breast cancer cells to investigate potential therapeutic targets. And the article contained the following:

To provide preliminary insights into metabolic and lipidomic characteristics in radioresistant triple-neg. breast cancer (TNBC) cells and suggest potential therapeutic targets, we performed a comprehensive metabolic and lipidomic profiling of radioresistant MDA-MB-231 (MDA-MB-231/RR) TNBC cells and their parental cells using gas chromatog.-mass spectrometry and nano electrospray ionization-mass spectrometry, followed by multivariate statistical anal. Buthionine sulfoximine (BSO) and radiation were co-treated to radioresistant TNBC cells. The level of glutathione (GSH) was significantly increased, and the levels of GSH synthesis-related metabolites, such as cysteine, glycine, and glutamine were also increased in MDA-MB-231/RR cells. In contrast, the level of lactic acid was significantly reduced. In addition, reactive oxygen species (ROS) level was decreased in MDA-MB-231/RR cells. In the lipidomic profiles of MDA-MB-231/RR cells, the levels of phosphatidylcholine (PC) and phosphatidylethanolamine (PE) were significantly increased, whereas those of most of the phosphatidylinositol species were significantly decreased. BSO sensitized MDA-MB-231/RR cells to radiotherapy, which resulted in decreased GSH level and increased ROS level and apoptosis. Radioresistant TNBC cells showed distinct metabolic and lipidomic characteristics compared to their parental cells. We suggested activated GSH, PC, and PE biosynthesis pathways as potential targets for treating radioresistant TNBC cells. Particularly, enhanced radiosensitivity was achieved by inhibition of GSH biosynthesis in MDA-MB-231/RR cells. The experimental process involved the reaction of 2,3-Dihydroxypropanoic acid(cas: 473-81-4).Application In Synthesis of 2,3-Dihydroxypropanoic acid

The Article related to radioresistant mda mb231 breast cancer cell metabolic lipidomic characterization, lipidomic profiling, mda-mb-231, metabolic profiling, radioresistance, triple-negative breast cancer and other aspects.Application In Synthesis of 2,3-Dihydroxypropanoic acid

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts