Results 71 to 80 of about 4,374 (220)

Biological applications of weal polyelectrolyte multilayers [PDF]

open access: yes, 2005
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2005.Includes bibliographical references.This thesis research focused on biological applications of ultra-thin weak polyelectrolyte multilayers with specific emphasis ...
Berg, Michael C., Ph. D. Massachusetts Institute of Technology
core  

A method to construct polyelectrolyte multilayers film containing gold nanoparticles

open access: yes, 2007
Gold nanoparticles in polyelectrolyte multilayers film can be easily prepared by repeating immersion of a substrate in poly(diallyl dimethylammonium) chloride (PDDA)-AuCl4 - complexes solution followed by reduction Au3+ through heating.
Chen, Hongjun   +3 more
core   +1 more source

Surface properties and bioactivity of PNIPAM-grafted-chitosan/chondroitin multilayers

open access: yesSmart Materials in Medicine, 2023
The thermoresponsive poly(N-isopropylacrylamide) (PNIPAM) is widely applied in the biomedical field particularly as thermoresponsive substrate for culture of cells.
Yi-Tung Lu   +6 more
doaj   +1 more source

Mass Transport Mechanisms in 2D Laminar Nanofluidic Membranes for Separation and Energy Conversion

open access: yesCarbon Innovation, EarlyView.
This review explores how two‐dimensional laminar membranes govern the transport of ions and molecules in confinement for advanced separation and energy conversion. By discussing how nanochannel architecture shapes membrane performance, this work highlights cation intercalation and functional modifications to improve osmotic energy harvesting ...
Adhy Prihatmiko Wibowo   +3 more
wiley   +1 more source

Polyelectrolyte Multilayers and Degradable Polymer Layers as Multicompartment Films [PDF]

open access: yes, 2005
International audiencePolyelectrolyte multilayers are now a well established concept with numerous potential applications in particular as biomaterial coatings.
Dupray, Valérie   +8 more
core   +1 more source

Sustainable Revival of Spent Lithium Iron Phosphate Cathodes in Li‐Ion Batteries: Recycling and Surface Engineering Approaches

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Schematic illustration of the lifecycle of LiFePO4 cathodes. Lithiation and delithiation reactions happen through its discharging and charging processes. Recycling pathways including hydrometallurgy, pyrometallurgy, and direct regeneration enable sustainable reuse of spent LFP materials. Surface modification approaches (carbon, polymer, and metal/metal
Yan He, Ruigang Wang
wiley   +1 more source

Guided wave sensing of polyelectrolyte multilayers

open access: yes, 2006
A planar optical waveguide configuration is proposed to monitor the buildup of thick polyelectrolyte multilayers on the surface of the waveguide in aqueous solutions.
Horvath, R.   +8 more
core   +1 more source

Antibacterial Layer-by-Layer Coatings for Medical Implants

open access: yesPharmaceutics, 2020
The widespread occurrence of nosocomial infections and the emergence of new bacterial strands calls for the development of antibacterial coatings with localized antibacterial action that are capable of facing the challenges posed by increasing bacterial ...
Ane Escobar   +2 more
doaj   +1 more source

Novel Zwitterionic Polydopamine Nanofiller‐Reinforced Hybrid Membranes With Superior Antifouling Performance for Wastewater Treatment

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work reports one‐pot synthesized novel zwitterionic polydopamine‐silica (ZSiPDA) nanofillers for fabricating PES hybrid ultrafiltration membranes with enhanced hydrophilicity, permeability, and antifouling performance. The optimized membrane achieved over 91% humic acid removal and showed strong potential for municipal wastewater treatment.
Roqaya A. Ismail   +5 more
wiley   +1 more source

Tightening Polyelectrolyte Multilayers with Oligo Pendant Ions

open access: yes, 2016
A series of polycations bearing one, two, and three pendant quaternary ammonium groups per repeat unit has been synthesized and combined with poly­(sodium 4-styrenesulfonate) to produce hyperthin polyelectrolyte multilayers.
William Leon (2615953)   +3 more
core   +1 more source

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