Category: ethers-buliding-blocks

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

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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 7, 2019, Pu, Kanyi; Miao, Qingqing published a patent.Related Products of 146370-51-6 The title of the patent was Polymer nanoparticles for afterglow molecular imaging. And the patent contained the following:

Disclosed herein are semiconducting polymers of formula (I) and polymeric composite materials containing said polymer, where said polymer displays near-IR afterglow luminescence. The polymers of formula I have the following structure, where n, m, o, p, A and R1 to R7 are as defined herein, and r is used to denote a random order to the repeating units. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).Related Products of 146370-51-6

The Article related to polymer semiconductor nanoparticle afterglow luminescence imaging, Pharmaceuticals: Prosthetics and Medical Goods and other aspects.Related Products of 146370-51-6

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

Lee, Chang-Soo; Chang, Hee Hyun; Jung, Juyeon; Lee, No Ah; Song, Nam Woong; Chung, Bong Hyun published an article in 2012, the title of the article was A novel fluorescent nanoparticle composed of fluorene copolymer core and silica shell with enhanced photostability.COA of Formula: C15H24O2 And the article contains the following content:

A variety of fluorescent nanoparticles have been developed for demanding applications such as optical biosensing and fluorescence imaging in live cells. Silica-based fluorescent nanoparticles offer diverse advantages for biol. applications. For example, they can be used as labeling probes due to their low toxicity, high sensitivity, resolution, and stability. In this research, a new class of highly fluorescent, efficient nanoparticles composed of a newly synthesized poly[di(2-methoxy-5-(2-ethylhexyloxy))-2,7-(9,9-dioctyl-9H-fluorene)] (PDDF) core and a silica shell (designated as PDDF@SiO2) were prepared using a simple reverse micelle method, and their fluorescent properties were evaluated using methods such as single-dot photoluminescence measurements. The enhanced photostability of the particles and their potential applications for bioanal. are discussed in this article. The morphol., size, and fluorescent properties for prepared PDDF@SiO2 nanoparticles were characterized using transmission electron microscopy (TEM), SEM (SEM) and photoluminescence spectroscopy. The prepared particles size, which was approx. 60 nm, resulted in an excellent colloidal stability in a physiol. environment. The photobleaching dynamics, total numbers of emitted photons (TNEP) and statistical measurements of individual nanoparticles were observed using laser scanning fluorescence microscopy to assess the structure and photostability of PDDF@SiO2 nanoparticles. Addnl., PDDF@SiO2 nanoparticles were used in cell toxicity and permeation tests for biol. analyses, demonstrating a great potential for use as powerful, novel materials within the emerging fields of biosensing and biomedical engineering. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).COA of Formula: C15H24O2

The Article related to fluorescent nanoparticle fluorene copolymer silica photostability, Pharmaceuticals: Prosthetics and Medical Goods and other aspects.COA of Formula: C15H24O2

Referemce:
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

On June 13, 2002, Li, Xiao-Chang Charles; Ueno, Kazunori published a patent.Recommanded Product: 146370-51-6 The title of the patent was Deuterated semiconducting organic compounds used for optoelectronic devices. And the patent contained the following:

Organic semiconductors are described which comprise a linear conjugated organic compound or a polymer, a cyclic ring, a fused cyclic ring, a heterocyclic ring, a fused heterocyclic ring, a chelate or organometallic material described by the general formula CaMb (C = conjugated chromophore; M = Li, Na, K, Be, Mg, Ca, Ti, Cr, Mo, Mn, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Zn, Cd, B, Al, Ga, In, Si, N, or P; and a and b = independently 1-10) wherein protons linked to the conjugated bonds are partially or fully deuterated. Preferably, the chromophore has ≥5 conjugated bonds. The semiconductor may be luminescent or promote energy transfer and it may have charge injection, hole blocking, or exciton blocking properties. Organic electroluminescent devices employing the semiconductors are also described. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).Recommanded Product: 146370-51-6

The Article related to deuterated conjugated chromophore semiconductor, organic electroluminescent device deuterated conjugated chromophore semiconductor, Electric Phenomena: Semiconductor Junctions and Devices and other aspects.Recommanded Product: 146370-51-6

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