Results 101 to 110 of about 19,913 (291)

Layer-by-layer assembly of organic films and their application to multichannel surface plasmon resonance sensing [PDF]

open access: yes, 2004
This thesis provides a study of a single chip, multi-channel surface plasmon resonance (SPR) imaging system. The equipment has no moving parts and uses a single sensor "chip" onto which multiple channels can be incorporated.
Palumbo, Marco, Marco Palumbo, Dott
core  

Polyelectrolytes and Their Biological Interactions

open access: yes, 1964
Polyelectrolytes are water-soluble electrically charged polymers. Their properties are determined by the interplay of the electrical forces, the Brownian motion of the macromolecular chain, and intermolecular Van der Waals forces.
Katchalsky, A.
core   +1 more source

Organic Photoelectrochemical Cells Beyond Performance: Interface and Catalyst Engineering for Durability

open access: yesAdvanced Energy Materials, EarlyView.
Organic photoelectrochemical cells based on π‐conjugated semiconductors offer a versatile platform for solar fuel generation. This review outlines operating principles, device architectures, and key metrics, and highlights advances in p‐ and n‐type photoelectrodes, interfacial engineering, and catalyst integration.
Jaehyeong Kim   +8 more
wiley   +1 more source

Novel polyelectrolytes

open access: yes, 1978
Cationic polyelectrolytes are formed by the polymerization in absence of oxygen of a monomer of the general formula: ##STR1## where x is 3 or more than 6 and Z is I, Br or Cl to form high charge density linear polymers. Segments of the linear polymer may
Rembaum, Alan, Yen, Shiao-Ping Siao
core  

Smart Flexible Tactile Sensors: Recent Progress in Device Designs, Intelligent Algorithms, and Multidisciplinary Applications

open access: yesAdvanced Intelligent Discovery, EarlyView.
Flexible tactile sensors have considerable potential for broad application in healthcare monitoring, human–machine interfaces, and bioinspired robotics. This review explores recent progress in device design, performance optimization, and intelligent applications. It highlights how AI algorithms enhance environmental adaptability and perception accuracy
Siyuan Wang   +3 more
wiley   +1 more source

AGGRESSIVE WASTEWATER SLUDGES CONDITIONING WITH POLYELECTROLYTES [PDF]

open access: yes, 2019
The report presents researches data of the Praestol polyelectrolytes treatment of the real sludges, which are formed during the process of aggressive wastewater neutralization from corrosion-resistant steels acid pickling. The results of determination of
Аксенов, В. И.   +2 more
core  

Supramolecular Assemblies of Lipid-Coated Polyelectrolytes

open access: yes, 2012
International audienceWe reveal the existence of a general class of supramolecular assemblies made up of lipid-coated polyelectrolytes including the celebrated lipid-nucleic acid complexes.
Tresset, Guillaume   +3 more
core   +1 more source

Multi‐Responsive Bowl‐Shaped Janus Nanomotors Based on Polyitaconic acid/Polypyrrole on the Surface of Iron Oxide Nanoparticles with Chemical, Electrical, and Magnetic Field Actuation for Targeted Drug Delivery Applications

open access: yesAdvanced NanoBiomed Research, EarlyView.
Bowl‐shaped Janus nanomotors with platinum, iron oxide, and polypyrrole integrate catalytic, magnetic, and electric propulsion for targeted drug delivery. They demonstrate controlled, directional motion under varying pH and hydrogen peroxide conditions, with optimal performance in neutral media.
Kimia Tavakoli Dehaghi   +3 more
wiley   +1 more source

Human Leukocyte Elastase Triggered Nanoparticles for Targeted Antimicrobial Delivery and Oral Microbial Modulation

open access: yesAdvanced NanoBiomed Research, EarlyView.
This study explores enzyme‐responsive nanoparticles for targeted antimicrobial release in inflamed oral environments. Nanoparticles formed by complexing peptides and chlorhexidine respond to human leukocyte elastase and release chlorhexidine selectively. P7 (ECAAPVCE)‐based formulations show optimal properties and stability, with antimicrobial activity
Mohammed A. Hadis   +9 more
wiley   +1 more source

The role of polyelectrolytes in water treatment.

open access: yes, 1994
This report is a broad based overview of the role and importance of polyelectrolytes in water treatment, with an emphasis on direct filtration and, in particular, experimental pilot plant work.
Lewis, G.
core   +1 more source

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