Results 61 to 70 of about 20,590 (293)

Green methodology for the recovery of Cr (VI) from tannery effluent using newly synthesized quaternary ammonium salt [PDF]

open access: yes, 2017
Leather tanning industries release effluents into the river through various canals. These effluents contain chromium (VI) contaminating the river and the ground water as well.
Umapathy, M.J., Yoganand, K.S.
core   +1 more source

Nonwoven‐Based Textile Architectures for Energy Storage Applications: Materials, Preparation, Characterization, and Prospects

open access: yesAdvanced Materials Interfaces, EarlyView.
Nonwoven textile architectures are emerging as versatile platforms for next‐generation energy storage, demonstrating how tailored materials and fabrication strategies enhance ion transport, conductivity, flexibility, and scalability for high‐performance sustainable devices.
Tarikul Islam   +6 more
wiley   +1 more source

Cyanosilylation of ketones catalyzed by quaternary ammonium salt and N-oxide [PDF]

open access: yes, 2004
Dibenzyldimethyl ammonium bromide and triethanolamine N-oxide catalyze the formation of cyanohydrin trimethylsilyl ethers of ketones in 80-99 ...
Feng, ZM   +5 more
core  

Extrusion Bioprinting for Wound Healing: Innovations in Functionalized Bioinks and Bioprinting Technology

open access: yesAdvanced Materials Technologies, EarlyView.
Extrusion‐based bioprinting (EBB) has emerged as a versatile biofabrication platform capable of precisely depositing bioinks composed of biomaterials, cells, and bioactive agents to generate patient‐specific, biomimetic skin constructs. This paper presents a state‐of‐the‐art and forward‐looking overview of EBB for wound healing, encompassing printing ...
Hien‐Phuong Le   +4 more
wiley   +1 more source

Nature‐Derived Chitosan Biopolymer: A Promising Candidate for Sustainable Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
In the creation of environmentally friendly devices, nature‐derived chitosan biopolymer is a promising contender for sustainable electronic research. It can be utilized to create more ecologically friendly scalable gadgets and has a variety of uses in different active layers of electronics.
Joshua McDonald   +3 more
wiley   +1 more source

Protein Adhesion on Atmospheric Plasma Deposited Quaternary Ammonium Salt Coatings [PDF]

open access: yes, 2013
This study investigates protein adhesion on nm thick helium atmospheric plasma deposited quaternary ammonium salt (QAS) coatings. The adhesion of the proteins BSA, IgG and Fg was evaluated on coated and uncoated silicon wafer substrates.
Dowling, Denis P., Donegan, Mick
core   +2 more sources

Titanium(IV) Chloride and Quaternary Ammonium Salt Promoted Baylis−Hillman Reaction [PDF]

open access: yes, 2016
The Baylis−Hillman reaction of aldehydes with α,β-unsaturated ketones can be drastically affected by the reaction temperature and Lewis bases. When the reaction was carried out at −78 °C using catalytic amounts of quaternary ammonium salts (R4N+X-, X ...
Yan-Shu Feng (3026223), Min Shi (141075)
core   +3 more sources

Optimization of the Selective Monohydrolysis of Diethyl 4-Aryl-4H-pyran-3,5-dicarboxylates

open access: yesMolecules, 2011
A simple, efficient and eco-friendly procedure for the selective monohydrolysis of diethyl 2,6-dimethyl-4-aryl-4H-pyran-3,5-dicarboxylates under quaternary ammonium salt catalysis conditions is presented.
Hong Yan   +3 more
doaj   +1 more source

Nanocellulose Alleviates Intrahepatic Cholestasis of Pregnancy via Gut Microbiota‐Mediated Bile Acid Homeostasis

open access: yesAdvanced Science, EarlyView.
Nanocellulose, derived from microcrystalline cellulose (MCC) through sulfuric acid hydrolysis or mechanical grinding to produce CNC or CNF, was tested in a rat ICP model. Particularly, CNF improved gut microbiota composition, reduced secondary bile acid metabolism, and restored bile acid homeostasis through modulation of the gut–liver axis.
Muhua Yu   +18 more
wiley   +1 more source

A Poly(ethylene glycol)-Supported Quaternary Ammonium Salt:  An Efficient, Recoverable, and Recyclable Phase-Transfer Catalyst [PDF]

open access: yes, 2016
A quaternary ammonium salt readily immobilized on a soluble poly(ethylene glycol) polymer support efficiently catalyzes different reactions carried out under phase-transfer catalysis conditions; the catalyst, easily recovered by precipitation and ...
Rita Annunziata (1570630)   +4 more
core   +1 more source

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