Results 61 to 70 of about 15,082 (236)

NIR Laser-Responsive PNIPAM and Gold Nanorod Composites for the Engineering of Thermally Reactive Drug Delivery Nanomedicine

open access: yesPharmaceutics, 2020
When ingesting a drug on its own or injecting it directly into tissue, its concentration increases immediately within the body, which often exacerbates the side effects and increases its toxicity.
Yejin Kwon   +4 more
doaj   +1 more source

Kinetics of Water Transfer Between the LCST and UCST Thermoresponsive Blocks in Diblock Copolymer Thin Films Monitored by In Situ Neutron Reflectivity

open access: yesAdvanced Materials Interfaces, 2023
The kinetics of water transfer between the lower critical solution temperature (LCST) and upper critical solution temperature (UCST) thermoresponsive blocks in about 10 nm thin films of a diblock copolymer is monitored by in situ neutron reflectivity ...
Neng Hu   +10 more
doaj   +1 more source

Signatures of a Concentration Dependent Flory chi Parameter: Swelling and Collapse of Coils and Brushes

open access: yes, 2002
The quality of solvents of polymers is often described in terms of the Flory chi parameter typically assumed to depend only on the temperature, T. In certain polymer-solvent systems fitting the experimental data enforces the replacement of chi(T) by a ...
Baulin, V. A., Halperin, A.
core   +1 more source

Thermoresponsive poly(2-oxazoline)s, polypeptoids, and polypeptides [PDF]

open access: yes, 2017
This review covers the recent advances in the emerging field of thermoresponsive polyamides or polymeric amides, i.e., poly(2-oxazoline)s, polypeptoids, and polypeptides, with a specific focus on structure-thermoresponsive property relationships, self ...
Hoogenboom, Richard, Schlaad, Helmut
core   +2 more sources

Plasmonic Nanomachines: Creating Local Potential Gradients and Motions

open access: yesAdvanced Materials, EarlyView.
Plasmonic nanomachines can generate optical, thermal, and chemical potential gradients to drive directional rectilinear, rotational, and twisting motions at the nanometer scale. The integration of multimodal plasmonic forces with functional materials and programmed structural distortions enables precise spatiotemporal actuation, thereby providing a ...
Yoonhee Kim   +3 more
wiley   +1 more source

Cytotoxicity and bioadhesive properties of poly-N-isopropylacrylamide hydrogel

open access: yesHeliyon, 2019
Several hydrogel surfaces present properties that simulate the mechanical and physicochemical features of extracellular matrix (ECM), providing a platform that mimic the native cellular milieus. Poly-N-isopropylacrylamide (PNIPAM) hydrogels are receiving
Virginia Capella   +10 more
doaj   +1 more source

Strain-Rate Frequency Superposition in Large-Amplitude Oscillatory Shear

open access: yes, 2010
In a recent work, Wyss, {\it et.al.} [Phys. Rev. Lett., {\bf 98}, 238303 (2007)] have noted a property of `soft solids' under oscillatory shear, the so-called strain-rate frequency superposition (SRFS).
A. Collyer   +7 more
core   +1 more source

Microgels Adsorbed at Liquid-Liquid Interfaces: A Joint Numerical and Experimental Study [PDF]

open access: yes, 2019
Soft particles display highly versatile properties with respect to hard colloids, even more so at fluid-fluid interfaces. In particular, microgels, consisting of a cross-linked polymer network, are able to deform and flatten upon adsorption at the ...
Antonopoulou, Maria-Nefeli   +7 more
core   +3 more sources

Form factor of pNIPAM microgels in overpacked states

open access: yesThe Journal of Chemical Physics, 2014
We study the form factor of thermoresponsive microgels based on poly(N-isopropylacrylamide) at high generalized volume fractions, ζ, where the particles must shrink or interpenetrate to fit into the available space. Small-angle neutron scattering with contrast matching techniques is used to determine the particle form factor.
Gasser, U.   +5 more
openaire   +5 more sources

Nanomaterial Integration at Liquid–Liquid Interfaces for Green Catalysis

open access: yesAdvanced Materials, EarlyView.
Functional nanomaterials assembled at liquid–liquid interfaces create dual‐role platforms serving as emulsion stabilizers and catalytic sites, offering enhanced reaction kinetics with improved catalyst recovery and recyclability. This review examines design strategies, structure‐performance relationships, and industrial implementation prospects of ...
Bokgi Seo   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy