Tag: M.W=100-200

Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 126-83-0, Name is Sodium 3-chloro-2-hydroxypropane-1-sulfonate, molecular formula is C3H6ClNaO4S, belongs to chlorides-buliding-blocks compound, is a common compound. In a patnet, author is Chen, Ying, once mentioned the new application about 126-83-0, Recommanded Product: 126-83-0.

alpha-(Hetero)aryl nitriles are important structural motifs for pharmaceutical design. The known methods for direct synthesis of these compounds via coupling with (hetero)aryl halides suffer from narrow reaction scope. Herein, we report that the combination of copper salts and oxalic diamides enables the coupling of a variety of (hetero)aryl halides (Cl, Br) and ethyl cyanoacetate under mild conditions, affording alpha-(hetero)arylacetonitriles via one-pot decarboxylation. Additionally, the CuBr/oxalic diamide catalyzed coupling of (hetero)aryl bromides with alpha-alkyl-substituted ethyl cyanoacetates proceeds smoothly at 60 degrees C, leading to the formation of alpha-alkyl (hetero)arylacetonitriles after decarboxylation. The method features a general substrate scope and is compatible with various functionalities and heteroaryls.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 50-30-6, Name is 2,6-Dichlorobenzoic acid, SMILES is O=C(O)C1=C(Cl)C=CC=C1Cl, in an article , author is Zhang, Yuanmi, once mentioned of 50-30-6, Computed Properties of https://www.ambeed.com/products/50-30-6.html.

The corrosion inhibition of Benzyltriphenylphosphonium chloride (BPP), t-Histidine (L-His), and mixed of them on magnesium alloys in 0.05 wt% NaCl is investigated by electrochemical measurements. The inhibition efficiency exceeds 90% with the suitable concentration as well as the ratio between BPP and L-His. Moreover, the inhibition effect would be kept even after the long term immersion in NaCl. It is attributed to the formation of inhibitor-coating film, which is further supported by the scanning electron microscopy (SEM), atomic force microscopy (AFM), and X-ray diffractometer (XRD). Finally, the possible inhibited mechanism is proposed according to X-ray photoelectron spectroscopy (XPS) analysis and the density functional theory calculation. (C) 2020 Elsevier B.V. All rights reserved.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 870-24-6, Name is 2-Chloroethanamine hydrochloride, SMILES is ClCCN.[H]Cl, in an article , author is Chen, Lei, once mentioned of 870-24-6, Name: 2-Chloroethanamine hydrochloride.

The aim of the present study was to investigate the role of platelet-derived growth factor (PDGF)-BB/PDGF receptor (R)-beta signaling in an experimental murine corneal neovascularization (CrNV) model. Experimental CrNV was induced by alkali injury. The intra-corneal expression of PDGF-BB was examined using immunohistochemistry. The effect of PDGF-BB on CrNV was evaluated using immunofluorescence staining. The expression levels of PDGFR-beta in human retinal endothelial cells (HRECs) under normal conditions or following cobalt chloride treatment, which induced hypoxic conditions, was assessed using reverse transcription-quantitative PCR. The effect of exogenous treatment of PDGF-BB on the proliferation, migration and tube formation of HRECs under normoxic or hypoxic conditions was evaluated in vitro using Cell Counting Kit-8, wound healing and 3D Matrigel capillary tube formation assays, respectively. The results indicated that the intra-corneal expression levels of the proteins of PDGF-BB and PDGFR-beta were detectable on days 2 and 7 following alkali injury. The treatment with neutralizing anti-PDGF-BB antibody resulted in significant inhibition of CrNV. The intra-corneal expression levels of vascular endothelial growth factor A, matrix metallopeptidase (MMP)-2 and MMP-9 proteins were downregulated, while the expression levels of thrombospondin (TSP)-1, TSP-2, a disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS)-1 and ADAMTS-2 were upregulated significantly in mice treated with anti-PDGF-BB antibody. The expression levels of PDGFR-beta were upregulated in HRECs under hypoxic conditions compared with those noted under normoxic conditions. Recombinant human PDGF-BB promoted the proliferation, migration and tube formation of HRECs under hypoxic conditions. The data indicated that PDGF-BB/PDGFR-beta signaling was involved in CrNV and that it promoted endothelial cell proliferation, migration and tube formation. The pro-angiogenic effects of this pathway may be mediated via the induction of pro-angiogenic cytokine secretion and the suppression of anti-angiogenic cytokine secretion.

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Chloride – Wikipedia,
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A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 140-53-4, Name is (4-Chlorophenyl)acetonitrile, molecular formula is C8H6ClN. In an article, author is George, Amal,once mentioned of 140-53-4, Safety of (4-Chlorophenyl)acetonitrile.

Nanostructures of transition metal oxides, such as copper oxide (CuO), are attractive for their stability and cost-effectiveness. This work reveals that the precursor materials play a crucial role in tailoring the morphologies, properties of CuO nanostructures. Herein, three different copper precursors, such as copper acetate, copper chloride, and copper nitrate, have been used to prepare CuO nanostructures. We find that nanosphere morphology is formed when copper acetate and copper chloride are used, whereas nanoflower morphology is formed when copper nitrate is used as precursors. The synthesis of flower-like CuO nanostructures is attained by altering the precursor material alone, and the petals of these flowers have a thickness of around 50 nm. The photocatalytic properties of the CuO nanoparticles prepared with the different precursors are investigated for the degradation of methylene blue dye. At a certain dye concentration level, the small size of particles results in a higher surface-to-volume ratio, which causes an increase in the number of active surface sites. Owing to the lowest particle size, CuOsphere-A (copper acetate) performs the best photodegradation efficiency. Additionally, the nanoflower-like structure could provide better accessibility of the reactants on the surface of photocatalytic material, resulting in more favorable for the photodegradation. (C) 2020 Elsevier B.V. All rights reserved.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 139631-62-2, Name is Cyclopropanesulfonylchloride, molecular formula is C3H5ClO2S, belongs to chlorides-buliding-blocks compound, is a common compound. In a patnet, author is Gao, Yu, once mentioned the new application about 139631-62-2, Recommanded Product: Cyclopropanesulfonylchloride.

Microbiologically influenced corrosion inhibition (MICI) of aluminum alloy (AA) 5083 by three representative Vibrio species were evaluated using electrochemical, surface analysis and surface characterization techniques. Interestingly, all the bacteria exhibited profound inhibitory effect on the corrosion of AA5083 in the chloride-containing culture medium. The MICI mechanism of tested Vibrio species is that mature biofilms acted as a diffusion barrier to prevent the penetration of corrosive chloride and consumed up the diffused oxygen by their aerobic respiration. Thus, the biofilm increased the passive range and inhibited the localized attack on the AA5083 surfaces.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 19692-45-6, Name is 1-(tert-Butyl)-4-(chloromethyl)benzene, formurla is C11H15Cl. In a document, author is Pan, Chonggen, introducing its new discovery. Recommanded Product: 1-(tert-Butyl)-4-(chloromethyl)benzene.

Steel bars in concrete structures can become severely corroded in chloride salt-containing environments, which can shorten the service life of the structure. Bidirectional electromigration rehabilitation (BIEM), a novel type of durability repair technology used on reinforced-concrete (RC) structures experiencing chlo-ride corrosion, involves applying an electric field to discharge chloride ions from concrete and simultaneously applying a rust inhibitor to the steel surface. In this study, indoor experiments were performed to analyse the migration of chloride ions and the corrosion inhibitor in RC structures in the atmosphere and water-level-fluctuating areas. An electroosmotic device enhanced the efficiency of BIEM. The BIEM was particularly effective in wet-dry areas and inside the electroosmotic device. More than 90% of the chloride ions on the steel surface were removed within 15 mm of the electroosmotic device, and the chloride ion migration rate on the steel surface was 40%-60%. Scanning electron microscopy revealed that the surface of the steel bars was smooth after BIEM treatment, with no obvious pitting or corrosion products. The service life of concrete was calculated according to the prediction method of concrete. It can be expected that the concrete enters the early warning zone after 15 years and the rust zone after 30 years. (C) 2020 Elsevier Ltd. All rights reserved.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 6276-54-6, Name is 3-Chloropropan-1-amine hydrochloride, molecular formula is C3H9Cl2N, belongs to chlorides-buliding-blocks compound, is a common compound. In a patnet, author is Salama, Ahmed, once mentioned the new application about 6276-54-6, Application In Synthesis of 3-Chloropropan-1-amine hydrochloride.

Cellulose and silk fibroin were dissolved in 1-Butyl-3-methylimidazolium chloride [Bmim][Cl] and regenerated with ethanol to form homogenous blend of regenerated cellulose/silk fibroin. The bioactivity of regenerated cellulose/silk matrix to assist calcium phosphate mineralization was studied in the current article. Cellulose/silk fibroin/calcium phosphate biocomposite was investigated by different characterization methods such as FT-IR, XRD, TGA, SEM and EDX. The potential of the prepared composite for removal of organic dyes, such as methylene blue (MB), was calculated. The prepared biocomposite exhibited high removal efficiency for MB (172.4 mg/g) compared to regenerated cellulose/silk fibrin blend which is 120.4 mg/g. The kinetic study and the isotherm results for the examined materials followed pseudo second order and Langmuir models, respectively. The regenerated cellulose/silk/calcium phosphate biocomposite, thus providing prospects for further research and application in the remediation of water from dye pollution. (C) 2020 Elsevier B.V. All rights reserved.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 367-21-5, Name is 3-Chloro-4-fluoroaniline, SMILES is C1=C(N)C=CC(=C1Cl)F, in an article , author is Rezaei, Ramazan, once mentioned of 367-21-5, Product Details of 367-21-5.

Aims: EMT is the process by which a polarized epithelial cell undergoes several changes leading to highly invasive and fibroblast-like morphology. It has been described that miR-375 is inversely associated with EMT in cancerous patients and can effectively inhibit invasion and migration of tumor cells. Here, we investigate whether miR-375 mimic delivered by tumor-derived exosomes could reverse EMT process. Main methods: The exosomes were isolated from HT-29 and SW480. Subsequently, exosomes were loaded with miR-375-3p mimic applying modified calcium chloride method. Quantitative real-time PCR was used for evaluation of the loading efficiency of miR-375 mimic in the exosomes. The effects of miR-375 loaded tumor exosomes (TEXomiR) on EMT process investigated using flow cytometry, cell morphology, and invasion and migration assay. Key findings: The in vitro results showed that the tumor derived exosomes can efficiently deliver miR-375 mimic to reduce the expression of beta-catenin, vimentin, ZEB1, and snail. In contrast, TEXomiR significantly increased the expression of E- cadherin in EMT process. Furthermore, the migration and invasion abilities of HT-29 and SW480 cells were inhibited by TEXomiR. The expression of CD44 and CD133 are increased in EMT process. Flow cytometry evaluation demonstrated that treatment with TEXomiR significantly decreased the expression of CD44 and CD133 in SW480 cell line. Significance: Our results imply that colon cancer cells-derived exosomes could be used as an effective nonvehicle to deliver miR-375-3p mimic. Moreover, TEXomiR may be a potent therapeutic agent for the treatment of metastatic colorectal cancer.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 18997-19-8, Name is Chloromethyl pivalate, molecular formula is C6H11ClO2. In an article, author is Mu, Hailian,once mentioned of 18997-19-8, Application In Synthesis of Chloromethyl pivalate.

Purpose: In the present study, we attempted to explore the role of chloride channel 3 (CLC-3) in colorectal cancer (CRC) and its related mechanism. Methods: First, the expression level of CLC-3 in CRC tumor tissues and cell lines were measured by RTqPCR, immunohistochemistry or western blot analysis. CLC-3 expression knockdown in CRC cells was achieved by siRNA transfection. The effect of CLC-3 silence on cell viability, cell cycle, invasion and migration of CRC was estimated by CCK8, flow cytometry based cell cycle assay, and transwell assay, respectively. In order to investigate whether Wnt/beta-catenin signaling was perturbed by CLC-3 knock down, CLC-3 knockdown cells were treated with pathway activator LiCl, followed by the measurement of the expressions of pathway related genes, cell viability, cell cycle, metastasis ability. Results: The expression of CLC-3 was gradually increased from normal adjacent tissues to CRC tumor tissues, and the increase in tumor tissues was related to TNM stages. CLC-3 was overexpressed in four CRC cell lines (HCT116, SW480, LoVo and SW620), compared with NCM460 cells. CLC-3 knockdown significantly reduced cell proliferation, invasion and migration ability, reflected by declined cell viability, arrested G0/G1 cell cycle, decreased invasion and migration ability. In contrast, the declined cell proliferation, invasion and migration of LoVo and SW620 cells induced by CLC-3 knockdown were reversed by the addition of Wnt/beta-catenin activator LiCl. Conclusion: CLC-3 contributed to the CRC development and metastasis through Wnt/beta-catenin signaling pathway. CLC-3 could be proposed as the candidate target for CRC treatment. (C) 2020 Elsevier Inc. All rights reserved.

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Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics

Application of 1642-81-5, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C¨CH bond functionalisation has revolutionised modern synthetic chemistry. 1642-81-5, Name is 4-(Chloromethyl)benzoic acid, SMILES is O=C(O)C1=CC=C(CCl)C=C1, belongs to chlorides-buliding-blocks compound. In a article, author is Almutlaq, N., introduce new discover of the category.

Hydrochloric acid doped poly (p-nitroaniline -co- o-aminophenol) [PpNAoAP] is synthesized via oxidative polymerization method using ferric chloride as an initiator and PEG200 as a soft template. By using PVD technique, the resulting doped [PpNAoAP](TF) thin film was fabricated by evaporation of a thin layer (thickness approximate to 200 +/- 5 nm) on a freshly cleaved mica substrate at a low deposition rate. Different techniques including FT-IR, 1HNMR, XRD, and SEM were used to characterize the resulting copolymer thin film. CATSTEP and DMol(3) techniques were used to optimize the samples using DFT program. The optical constant values for the resulted [PpNAoAP](TF) films are measured and comparable with experimental and CATSTEP processes. The computed structure and optical properties resulted from CATSTEP method are in good agreement with the obtained experimental data. The combined experimental of thin films and computed theoretical data of isolated molecules of [PpNAoA](TF) produce a promising outcome to be a good candidate for optoelectronic devices and polymer-solar cell applications. (C) 2020 Elsevier B.V. All rights reserved.

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Reference:
Chloride – Wikipedia,
,Chlorides – an overview | ScienceDirect Topics