Results 1 to 10 of about 7,636 (247)

Ultralight, Mechanically Enhanced, and Thermally Improved Graphene-Cellulose-Polyethyleneimine Aerogels for the Adsorption of Anionic and Cationic Dyes

Nanomaterials, 2022
Graphene-cellulose-polyethyleneimine aerogels (GA-MCC-PEI) were prepared using a simple, environmentally friendly method to remove anionic and cationic dyes in water.
Xiuya Wang, Pengbo Xie, Lan He, Yuwei Liang, Liang Zhang, Yuanyuan Miao, Zhenbo Liu   +6 more
doaj   +2 more sources

Comparison of Salvianolic Acid A Adsorption by Phenylboronic-Acid-Functionalized Montmorillonites with Different Intercalators

Molecules, 2023
Due to its success in treating cardio-cerebrovascular illnesses, salvianolic acid A (SAA) from Salvia miltiorrhiza is of major importance for effective acquisition.
Jun Qian, Jiajia Su, Weihuan Zeng, Yue Wang, Yingyuan Hu, Guoyin Kai   +5 more
doaj   +1 more source

Construction of Loose Positively Charged NF Membrane by Layer-by-Layer Grafting of Polyphenol and Polyethyleneimine on the PES/Fe Substrate for Dye/Salt Separation

Membranes, 2021
The effective separation of dyes and inorganic salts is highly desirable for recycling inorganic salts and water resource in printing and dyeing wastewater treatment.
Shuai Liu, Xiaofeng Fang, Mengmeng Lou, Yihan Qi, Ruo Li, Gang Chen, Yonglian Li, Yanbiao Liu, Fang Li   +8 more
doaj   +1 more source

Composite Zn(II) Ferrocyanide/Polyethylenimine Cryogels for Point-of-Use Selective Removal of Cs-137 Radionuclides

Molecules, 2021
The feasibility of several approaches to the fabrication of monolith composite cryogels containing transition-metal ferrocyanides for Cs+ ion uptake has been evaluated.
Irina Malakhova, Yuliya Parotkina, Marina Palamarchuk, Marina Eliseikina, Aleksandr Mironenko, Alexey Golikov, Svetlana Bratskaya   +6 more
doaj   +1 more source

Hyaluronic Acid-Coated MTX-PEI Nanoparticles for Targeted Rheumatoid Arthritis Therapy

Crystals, 2021
Methotrexate (MTX) is an anchor drug for the treatment of rheumatoid arthritis (RA); however, long-term and high-dose usage of MTX for patients can cause many side effects and toxic reactions.
Shenghui Zhong, Peng Liu, Jinsong Ding, Wenhu Zhou   +3 more
doaj   +1 more source

Graphene Oxide/Polyethyleneimine-Modified Cation Exchange Membrane for Efficient Selective Recovery of Ammonia Nitrogen from Wastewater

Membranes, 2023
Competition for the migration of interfering cations limits the scale-up and implementation of the Donnan dialysis process for the recovery of ammonia nitrogen (NH4+-N) from wastewater in practice.
Yuanyuan Yu, Qin Zeng, Haoquan Zhang, Maoqin Ao, Jingmei Yao, Chun Yang, Svetlozar Velizarov, Le Han   +7 more
doaj   +1 more source

Sustainable Dyeing of Cotton Fibers Using Aqueous Extract of Citrullus Colocynthis Leaves: Chemical Characterization, and Dyeing Optimization Process Using Response Surface Methodology

Journal of Natural Fibers, 2023
Owing to their advantageous characteristics, natural dyes are highly needed to replace hazardous synthetic colored molecules. In this work, an aqueous extract of Citrullus colocynthis leaves was prepared, analyzed using Fourier Transform Infrared (FT-IR)
Syrine Ltaief, Mahjoub Jabli, Saber Ben Abdessalem, Cécile Joyeux, Omar Harzallah   +4 more
doaj   +1 more source

Rhodospirillum rubrum L-Asparaginase Conjugates with Polyamines of Improved Biocatalytic Properties as a New Promising Drug for the Treatment of Leukemia

Applied Sciences, 2023
L-asparaginase Rhodospirillum rubrum (RrA) is an enzyme (amidohydrolases; EC 3.5.1.1) that catalyzes the L-asparagine hydrolysis reaction to form L-aspartic acid.
Natalia V. Dobryakova, Dmitry D. Zhdanov, Nikolay N. Sokolov, Svetlana S. Aleksandrova, Marina V. Pokrovskaya, Elena V. Kudryashova   +5 more
doaj   +1 more source

Analytical pyrolysis of polyethyleneimines

Journal of Analytical and Applied Pyrolysis, 2023
Poly(ethylene imine) is a family of polymers with a high content of amine groups employed in various applications and widely investigated as CO2 adsorbents in carbon capture and sequestration. In this study, five branched polyethylenimines (PEIs) of different molecular weights were analysed by Py-GC-MS to gather information on the chemical structure of
Coralli I., Fabbri D., Facchin A., Torri C., Stevens L. A., Snape C. E.   +5 more
openaire   +1 more source

Combining phthalimide innate of a positive-charge nanofiltration membrane for high selectivity and rejection for bivalent cations

Water Science and Technology, 2023
A positively charged nanofiltration (NF) membrane is known to have exceptional separation performance for bivalent cations in aqueous solutions. In this study, a new NF activity layer was created using interfacial polymerization (IP) on a polysulfone ...
Zhe Wang, Jiawei Cao, Fan Zhang, Xinbo Zhang, Xinai Tan   +4 more
doaj   +1 more source