Results 31 to 40 of about 491,730 (254)

Non-noble metal-catalyzed cross-dehydrogenation coupling (CDC) involving ether α-C(sp3)–H to construct C–C bonds

open access: yesBeilstein Journal of Organic Chemistry, 2023
Ether derivatives are widespread as essential building blocks in various drugs, natural products, agrochemicals, and materials. Modern economy requires developing green strategies with improved efficiency and reduction of waste.
Hui Yu, Feng Xu
doaj   +1 more source

Castration‐resistant prostate cancer cells are addicted to the high activity of cyclin‐dependent kinase 2

open access: yesMolecular Oncology, EarlyView.
We show that emergence of castration‐resistant prostate (CRPC) is associated with significant upregulation of cyclins that positively regulate cyclin‐dependent kinase 2 (CDK2) and concomitant downregulation of CDK4 cyclins. This renders CRPC cells dependent on the high activity of CDK2, and CDK2 inhibitors synergistically sensitize CRPC cells to both ...
Joyeeta Chatterjee   +3 more
wiley   +1 more source

Tribology of natural Poly-Ether-Ether-Ketone (PEEK) under transmission oil lubrication

open access: yes, 2019
High performance polymeric materials such as poly-ether-ether-ketone (PEEK) are increasingly being used for challenging tribological applications in order to replace metal parts in vehicle engines and transmissions.
Thiago Fontoura de Andrade (6935408)   +2 more
core   +1 more source

Radiochemical ageing of poly(ether ether ketone) [PDF]

open access: yes, 2010
Thin (60 μm) and thick (250 μm) samples of poly(ether ether ketone) were subjected to radiochemical ageing at 24 kGy h -1 dose rate for doses up to 30.7 MGy at 60 °C in air.
AUDOUIN, Ludmila   +5 more
core   +1 more source

Different antimicrobial effects of raspberry depending on the method of active components isolation [PDF]

open access: yesFood and Feed Research, 2014
Raspberry fruit exhibits numerous beneficial effects for veterinary and human medicine. One of those effects is antimicrobial activity, because of its diverse chemical composition.
Krstić Tamara P.   +6 more
doaj   +1 more source

Low‐Temperature Imidization of Polyimides (PI) for Scalable Manufacturing of Flexible Wearable Electronics

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley   +1 more source

Physicochemical Properties of Pyrrolidinium-based Room Temperature Ionic Liquids with Propoxyethyl, Ethoxypropyl, or (Methoxymethoxy)ethyl Group

open access: yesElectrochemistry
Room temperature ionic liquids (RTILs) with ether oxygen atoms in the side chain have been investigated for electrochemical applications because they show favorable transport properties compared with alkyl analogs.
Kazuki YOSHII, Takuya UTO
doaj   +1 more source

Distinctive motor coordination ability for goalkeepers of foot ball [PDF]

open access: yesمجلة الرافدين للعلوم الرياضية, 2018
This research has aimed to identify the elements of motor coordination for the goalkeepers of football, in addition to extract the distinctive function which is used in classifying the goalkeepers, the sesiety of the research has consisted of the ...
ether gazal, waleed rajab, jameel hasan
doaj   +1 more source

Superlubricity and Corrosion Inhibition Properties of Solvate Ionic Liquids in Hybrid Carbon Fiber Reinforced Plastic–Steel Interfaces

open access: yesAdvanced Engineering Materials, EarlyView.
Solvate ionic liquids lubrication reduced the coefficient of friction by ∼60% compared to dry sliding, reaching steady‐state values as low as 0.04–0.05. Corrosion weight‐loss measurements in 1 M HCl further demonstrated significant inhibition behavior, with only 100 ppm of [Li(G3)][TFSI] (∼68.5 μL/L) reducing corrosion‐product weight loss by 63 ...
Sameh Dabees   +6 more
wiley   +1 more source

Ether-derived alkanes from sedimentary organic matter

open access: yes, 1990
Glycerol ether lipids have been detected in the bitumen of DSDP sediments from Sites 467, 440B and 380 and from the Green River Shale. The alkyl side groups of these ethers were determined by conversion into deuteroalkanes.
Vella, Alfred J   +3 more
core   +1 more source

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