Tag: 100-200

On May 31, 2020, Yao, Hong; Zhou, Qi; Zhang, Youming; Hu, Yinping; Kan, Xiaotong; Chen, Yanyan; Gong, Guanfei; Zhang, Qinpeng; Wei, Taibao; Lin, Qi published an article.SDS of cas: 150-78-7 The title of the article was Supramolecular polymer materials based on pillar[5]arene: Ultrasensitive detection and efficient removal of cyanide. And the article contained the following:

An ultrasensitive detection and effective removal material was successfully developed by using a pillar[n]arene-based supramol. polymer gel (MTP5⊃HB), where MTP5 = thioacetylhydrazine copillar[5]arene and HB = 2,2′-(1,4-butanediyl)-bis(1H-benzimidazole). The MTP5⊃HB can ultrasensitively recognize Cu2+ and Fe3+, and the limits of detection (LODs) for Cu2+ and Fe3+ are 1.55 and 2.68 nmol/L, resp. Addnl., the in-situ generated metallogel MTP5⊃HB-Cu can exclusively detect CN-, and the LOD for CN- is 1.13 nmol/L. Noticeably, the xerogel of MTP5⊃HB-Cu can effectively remove CN- from aqueous solution with 94.40% removal rate. Test kit based on MTP5⊃HB-Cu is also prepared for convenient detection of CN-. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).SDS of cas: 150-78-7

The Article related to pillararene supramol polymer gel cyanide ultrasensitive detection efficient removal, Inorganic Analytical Chemistry: Determinations and other aspects.SDS of cas: 150-78-7

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On May 31, 2008, Holmberg, Maria; Stibius, Karin B.; Larsen, Niels B.; Hou, Xiaolin published an article.Safety of 2-(2-(Vinyloxy)ethoxy)ethanol The title of the article was Competitive protein adsorption to polymer surfaces from human serum. And the article contained the following:

Surface modification by “soft” plasma polymerization to obtain a hydrophilic and non-fouling polymer surface was validated using radioactive labeling. Adsorption to unmodified and modified polymer surfaces, from both single protein and human serum solutions, was investigated. By using different radioisotopes, albumin and IgG adsorption was monitored simultaneously during competitive adsorption processes, which to the authors’ knowledge was not reported in the literature before. Results show that albumin and IgG adsorption is dependent on adsorption time and on the presence and concentration of other proteins in bulk solutions during adsorption. Generally, lower albumin and IgG adsorption was observed on the modified and more hydrophilic polymer surfaces, but otherwise the modified and unmodified polymer surfaces showed the same adsorption characteristics. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).Safety of 2-(2-(Vinyloxy)ethoxy)ethanol

The Article related to polyethylene terephthalate surface modification protein adsorption medical device, Pharmaceuticals: Prosthetics and Medical Goods and other aspects.Safety of 2-(2-(Vinyloxy)ethoxy)ethanol

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On September 1, 2008, Kamath, Shwetha; Bhattacharyya, Dhiman; Padukudru, Chandana; Timmons, Richard B.; Tang, Liping published an article.Product Details of 929-37-3 The title of the article was Surface chemistry influences implant-mediated host tissue responses. And the article contained the following:

Implant-mediated fibrotic reactions are detrimental to the performance of encapsulated cells, implanted drug release devices, and sensors. To improve the implant function and longevity, recent research has emphasized the need for inducing alterations in cellular responses. Although material surface functional groups have been shown to be potent in affecting cellular activity in vitro and short-term in vivo responses, these groups appear to have little influence on long-term in vivo fibrotic reactions, possibly as a result of insufficient interactions between recruited host cells and functional groups on the implants. To maximize the influence of functionality on cells, and to mimic drug release microspheres, functionalized micron-sized particles were created and tested for their ability in modulating tissue responses to biomaterial implants. In this work, the surfaces of polypropylene particles were controllably coated with four different functional groups, specifically -OH, -NH2, -CFx, and -COOH, using a radio frequency glow discharge plasma polymerization technique. The effect of these surface functionalities on host tissue responses were then evaluated using a mice s.c. implantation model. Major differences were observed in contrasting tissue response to the different chemistries. Surfaces with -OH and -NH2 surface groups induced the thickest fibrous capsule accompanied with the greatest cellular infiltration into the implants. In contrast, surfaces with -CFx and -COOH exhibited the least inflammatory/fibrotic responses and cellular infiltrations. The present results clearly demonstrate that, by increasing the available functionalized surface area and spatial distribution, the effect of surface chem. on tissue reactivity can be substantially enhanced. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).Product Details of 929-37-3

The Article related to surface functionalization implant fibrosis inflammation plasma polymerization, Pharmaceuticals: Prosthetics and Medical Goods and other aspects.Product Details of 929-37-3

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Ruiter, F. A. A.; Sidney, L. E.; Kiick, K. L.; Segal, J. I.; Alexander, C.; Rose, F. R. A. J. published an article in 2020, the title of the article was The electrospinning of a thermo-responsive polymer with peptide conjugates for phenotype support and extracellular matrix production of therapeutically relevant mammalian cells.HPLC of Formula: 929-37-3 And the article contains the following content:

Current cell expansion methods for tissue engineering and regenerative medicine applications rely on the use of enzymic digestion passaging and 2D platforms. However, this enzymic treatment significantly reduces cell quality, due to the destruction of important cell-surface proteins. In addition, culture in 2D results in undesired de-differentiation of the cells caused by the lack of 3D similarity to the natural extracellular matrix (ECM) environment. Research has led to the development of thermo-responsive surfaces for the continuous culture of cells. These thermo-responsive materials properties can be used to passage cells from the surface when the cell culture temperature is reduced. Here we report the development of a PLA/thermo-responsive (PDEGMA) blend 3D electrospun fiber-based scaffold to create an enzymic-free 3D cell culture platform for the expansion of mammalian cells with the desired phenotype for clin. use. Human corneal stromal cells (hCSCs) were used as an exemplar as they have been observed to de-differentiate to an undesirable myo-fibroblastic phenotype when cultured by conventional 2D cell culture methods. Scaffolds were functionalised with a cell adherence peptide sequence GGG-YIGSR by thiol-ene chem. to improve cell adherence and phenotype support. This was obtained by functionalising the thermo-responsive polymer with a thiol (PDEGMA/PDEGSH) by co-polymerization These incorporated thiols react with the norbornene acid functionalised peptide (Nor-GGG-YIGSR) under UV exposure. Presence of the thiol in the scaffold and subsequent peptide attachment on the scaffolds were confirmed by fluorescence labeling, ToF-SIMS and XPS anal. The biocompatibility of the peptide containing scaffolds was assessed by the adhesion, proliferation and immuno-staining of hCSCs. Significant increase in hCSC adherence and proliferation was observed on the peptide containing scaffolds. Immuno-staining showed maintained expression of the desired phenotypic markers ALDH, CD34 and CD105, while showing no or low expression of the undesired phenotype marker a-SMA. This desired expression was observed to be maintained after thermo-responsive passaging and higher when cells were cultured on PLA scaffolds with 10 wt% PDEGMA/4 mol% PDEGS-Nor-GGG-YIGSR. This paper describes the fabrication and application of a first generation, biocompatible peptide conjugated thermo-responsive fibrous scaffold. The ease of fabrication, successful adherence and expansion of a therapeutically relevant cell type makes these scaffolds a promising new class of materials for the application of cell culture expansion platforms in the biomaterials and tissue engineering field. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).HPLC of Formula: 929-37-3

The Article related to corneal stromal cell thermo responsive polymer phenotype electrospinning, Pharmaceuticals: Prosthetics and Medical Goods and other aspects.HPLC of Formula: 929-37-3

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On January 3, 2006, Bremmell, Kristen E.; Kingshott, Peter; Ademovic, Zahida; Winther-Jensen, Bjorn; Griesser, Hans J. published an article.Reference of 2-(2-(Vinyloxy)ethoxy)ethanol The title of the article was Colloid Probe AFM Investigation of Interactions between Fibrinogen and PEG-Like Plasma Polymer Surfaces. And the article contained the following:

Interaction forces between surfaces designed to be protein resistant and fibrinogen (Fg) were investigated in phosphate-buffered saline with colloid probe at. force microscopy. The surfaces of the silica probes were coated with a layer of fibrinogen mols. by adsorption from the buffer. The technique of low-power, pulsed AC plasma polymerization was used to make poly(ethylene glycol) (PEG)-like coatings on poly(ethylene terephthalate) by using diethylene glycol vinyl ether as the monomer gas. The degree of PEG-like nature of the films was controlled by use of a different effective plasma power in the chamber for each coating, ranging from 0.6 to 3.6 W. This produced a series of thin films with a different number of ether carbons, as assessed by XPS. The interaction force measurements are discussed in relation to trends observed in the reduction of fibrinogen adsorption, as determined quant. by 125I radio-labeling. The plasma polymer coatings with the greatest protein-repelling properties were the most PEG-like in nature and showed the strongest repulsion in interaction force measurements with the fibrinogen-coated probe. Once forced into contact, all the surfaces showed increased adhesion with the protein layer on the probe, and the strength and extension length of adhesion was dependent on both the applied load and the plasma polymer surface chem. When the medium was changed from buffer to water, the adhesion after contact was eliminated and only appeared at much higher loads. This indicates that the structure of the fibrinogen mols. on the probe is changed from an extended conformation in buffer to a flat conformation in water, with the former state allowing for stronger interaction with the polymer chains on the surface. These experiments underline the utility of aqueous surface force measurements toward understanding protein-surface interactions, and developing nonfouling surfaces that confer a steric barrier against protein adsorption. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).Reference of 2-(2-(Vinyloxy)ethoxy)ethanol

The Article related to colloid probe fibrinogen polyethylene glycol plasma polymer surface, Pharmaceuticals: Prosthetics and Medical Goods and other aspects.Reference of 2-(2-(Vinyloxy)ethoxy)ethanol

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On February 1, 2009, Padron-Wells, G.; Jarvis, Brandon C.; Jindal, A. K.; Goeckner, M. J. published an article.Application In Synthesis of 2-(2-(Vinyloxy)ethoxy)ethanol The title of the article was Understanding the synthesis of DEGVE pulsed plasmas for application to ultra thin biocompatible interfaces. And the article contained the following:

There is interest in the development of novel surface treatments for biocompatibility and non-fouling behaviors on various surfaces of in vivo devices. Polyethylene glycol thin films have shown promise as non-fouling passivation layers for such devices. Studies of the surface chem. and non-fouling effectiveness of plasma deposited di(ethylene glycol) vinyl ether (DEGVE) films have observed that non-fouling performance is maximized when plasma deposition occurs at low values of average power, (<5 W). [Y. J. Wu, R. B. Timmons, J. S. Jen, Frank E. Molock, Non-fouling surfaces produced by gas phase pulsed plasma polymerization of an ultra low mol. weight ethylene oxide containing monomer, Colloids and Surfaces B: Biointerfaces 18 (2000) 235-248.] Chem. properties of plasma deposited films were directly attributed to the complex interactions occurring within the gas phase. In order to better understand the deposition process, as well as the significance of the conclusions drawn by Wu et al. [Y. J. Wu, R. B. Timmons, J. S. Jen, Frank E. Molock, Non-fouling surfaces produced by gas phase pulsed plasma polymerization of an ultra low mol. weight ethylene oxide containing monomer, Colloids and Surfaces B: Biointerfaces 18 (2000) 235-248.] an investigation of the gas phase behavior in DEGVE pulsed plasma discharges was performed. IR spectra were used to characterize the chem. composition and dissociative behavior of DEGVE plasmas across a range of average powers. This allowed for the construction of a dissociative model of the DEGVE monomer in the plasma discharge. Anal. of the observed dissociative pattern demonstrates the presence of key daughter species which would account for the observations made on deposited DEGVE films by Wu et al. [Y. J. Wu, R. B. Timmons, J. S. Jen, Frank E. Molock, Non-fouling surfaces produced by gas phase pulsed plasma polymerization of an ultra low mol. weight ethylene oxide containing monomer, Colloids and Surfaces B: Biointerfaces 18 (2000) 235-248.]. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).Application In Synthesis of 2-(2-(Vinyloxy)ethoxy)ethanol

The Article related to diethylene glycol vinyl ether pulsed plasma antifouling coating, Pharmaceuticals: Prosthetics and Medical Goods and other aspects.Application In Synthesis of 2-(2-(Vinyloxy)ethoxy)ethanol

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Gordeev, Ivan; Simek, Milan; Prukner, Vaclav; Artemenko, Anna; Kousal, Jaroslav; Nikitin, Daniil; Choukourov, Andrei; Biederman, Hynek published an article in 2016, the title of the article was Deposition of poly(ethylene oxide)-like plasma polymers on inner surfaces of cavities by means of atmospheric-pressure SDBD-based jet.Quality Control of 2-(2-(Vinyloxy)ethoxy)ethanol And the article contains the following content:

The jet of reactive effluents produced by surface dielec. barrier discharge was used to deposit PEO-like plasma polymers from di(ethylene) glycol vinyl ether. The jet was confined within the hollow space of either circular cross-section with substrate placed perpendicular to the jet, or rectangular cross-section with the walls used as substrates. The best 67% retention of the ethers was obtained for the circular channel, whereas it was only 50% for the rectangular channel. In the latter case, deposition at longer distances was possible. In both cases, the deposition started with the formation of islands that grew, coalesced and eventually built up a continuous coating. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).Quality Control of 2-(2-(Vinyloxy)ethoxy)ethanol

The Article related to diethylene glycol monovinyl ether plasma polymerization film deposition, Coatings, Inks, and Related Products: Coating Processes and other aspects.Quality Control of 2-(2-(Vinyloxy)ethoxy)ethanol

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Stallard, Charlie P.; Solar, Pavel; Biederman, Hynek; Dowling, Denis P. published an article in 2016, the title of the article was Deposition of Non-Fouling PEO-Like Coatings Using a Low Temperature Atmospheric Pressure Plasma Jet.Electric Literature of 929-37-3 And the article contains the following content:

Plasma polymerized PEO-like films were deposited from tetraethylene glycol di-Me ether (TEGDME) and diethylene glycol vinyl ether (DEGVE) using an atm. plasma jet. Films formed from TEGDME with C-O-C retention >50% showed anti-fouling properties, while DEGVE films with C-O-C >60% did not. TEGDME films deposited at higher monomer flow rates had a lower d. and more amorphous phases in the polymer network. Consequently, these films more readily facilitate penetration and binding of water to their surface in comparison to the denser DEGVE films. The difference in fouling properties identified through this comparative study has shown that % C-O-C retention may not alone be an indication of non-fouling behavior. Other factors such as polymer network structure may also play a crucial role in the prevention of surface fouling. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).Electric Literature of 929-37-3

The Article related to peo coating atm pressure plasma jet deposition, Coatings, Inks, and Related Products: Coating Processes and other aspects.Electric Literature of 929-37-3

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On June 1, 2022, Tian, Yexin; Zheng, Pu; Mu, Yingchun; Su, Wei; Chen, Tianyan published an article.Name: 1,4-Dimethoxybenzene The title of the article was Correlation analysis of normal and moldy beef jerky microbiota with Volatile compounds. And the article contained the following:

In this study, the microbial composition and volatile flavor components of normal beef jerky (NBJ) and moldy beef jerky (MBJ) from three different regions were examined using high-throughput sequencing (HTS) and headspace solid-phase microextraction combined with gas chromatog.-mass spectrometry (HS-SPME-GC-MS) to explore the effects of microbial and environmental factors on MBJ, and the correlation between core microorganisms and volatile compounds were revealed using Spearman rank correlation anal. (|r | >1, P < 0.05). At the genera level, Aspergillus, Xeromyces and Wallemia were the dominant fungi. While Nicotiana_Otophora, Staphylococcus, Bacillus, Brochothrix and Acinetobacter were the dominant bacterial genera. 82 Volatile compounds were identified in beef jerky from different regions. The correlation heat map between microorganisms and volatile compounds showed that eight core microbial genera had significant effects on the flavor quality of beef jerky after mold (VIP>1, P < 0.05), including five fungal and 3 bacteria, namely Arthrobacter, Xerochrysium, Dryomyces, Aspergillus, Colletotrichum, Bacillus, Staphylococcus and Salvia_pomifera. Bacillus, Staphylococcus, Salvia_pomifera and Colletotrichum had significant effects (P < 0.05) on 18 compounds, which may be classified as key microorganisms that affect beef jerky spoilage. Our study provides a theor. reference for solving the problem of MBJ. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).Name: 1,4-Dimethoxybenzene

The Article related to beef jerky microbiota volatile compound, Food and Feed Chemistry: Meat, Eggs, Fish, and Seafood and other aspects.Name: 1,4-Dimethoxybenzene

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On August 12, 2021, Kaye, Esther G.; Kailass, Karishma; Sadovski, Oleg; Beharry, Andrew A. published an article.Related Products of 93-04-9 The title of the article was A Green-Absorbing, Red-Fluorescent Phenalenone-Based Photosensitizer as a Theranostic Agent for Photodynamic Therapy. And the article contained the following:

Phenalenone is a synthetically accessible, highly efficient photosensitizer with a near-unity singlet oxygen quantum yield. Unfortunately, its UV absorption and lack of fluorescence has made it unsuitable for fluorescence-guided photodynamic therapy against cancer. In this work, we synthesized a series of phenalenone derivatives containing electron-donating groups to red-shift the absorption spectrum and bromine(s) to permit good singlet oxygen production via the heavy-atom effect. Of the derivatives synthesized, the phenalenone containing an amine at the 6-position with bromines at the 2- and 5-positions (OE19) exhibited the longest absorption wavelength (i.e., green) and produced both singlet oxygen and red fluorescence efficiently. OE19 induced photocytotoxicity with nanomolar potency in 2D cultured PANC-1 cancer cells as well as light-induced destruction of PANC-1 spheroids with minimal dark toxicity. Overall, OE19 opens up the possibility of employing phenalenone-based photosensitizers as theranostic agents for photodynamic cancer therapy. The experimental process involved the reaction of 2-Methoxynaphthalene(cas: 93-04-9).Related Products of 93-04-9

The Article related to red fluorescent phenalenone photosensitizer preparation theranostic imaging cancer pdt, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Related Products of 93-04-9

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem