Results 211 to 220 of about 14,650 (239)

A responsive living material prepared by diffusion reveals extracellular enzyme activity of cyanobacteria. [PDF]

Proc Natl Acad Sci U S A
Tang L, Soulier NT, Wheeler R, Pokorski JK, Golden JW, Golden SS, Bae J.   +6 more
europepmc   +1 more source

Microstructured thermo-responsive double network granular hydrogels.

Mater Adv
Thoma A, Whatmore R, Amstad E.
europepmc   +1 more source

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Multi-responsive PNIPAM–PEGDA hydrogel composite

Soft Matter, 2021
PNIPAM–PEGDA hydrogels in response to temperature, solvent and magnetic fields.
Liqian Wang, Fengrui Liu, Jin Qian, Ziliang Wu, Rui Xiao   +4 more
openaire   +2 more sources

Parallel Effects of Cations on PNIPAM Graft Wettability and PNIPAM Solubility

ACS Applied Materials & Interfaces, 2010
Stimuli-responsive surfaces grafted with thermoresponsive polymers switch from hydrophilic to hydrophobic thermally, making these surfaces attractive in applications such as in microfluidics devices, as antifouling surfaces, and in cell culture and tissue engineering.
Hui, Fu, Xiaoting, Hong, Albert, Wan, James D, Batteas, David E, Bergbreiter   +4 more
openaire   +2 more sources

LCST Behavior of Symmetrical PNiPAm-b-PEtOx-b-PNiPAm Triblock Copolymers

Macromolecules, 2016
Poly(N-isopropylacrylamide) (PNiPAm) and poly(2-ethyl-2-oxazoline) (PEtOx) represent two polymer types that are well-known for their lower critical solution temperature (LCST) behavior in aqueous media. To synthesize triblock copolymers containing both polymers, a crossover of two different polymerization methods was applied using a bifunctional ...
Dirauf, Michael, Yildirim, TURGAY, Schubert, Ulrich S., Hoeppener, Stephanie, Weber, Christine, Sahn, Martin, Sungur, Pelin   +6 more
openaire   +2 more sources

Synthesis and micelle behavior of (PNIPAm-PtBA-PNIPAm)m amphiphilic multiblock copolymer

Polymer, 2010
Abstract A linear amphiphilic multiblock copolymer (PNIPAm-PtBA-PNIPAm)m was successfully synthesized by a two-step reversible addition–fragmentation transfer (RAFT) polymerization in the presence of a cyclic trithiocarbonate as RAFT agent. The micelle behavior of (PNIPAm-PtBA-PNIPAm)m multiblock copolymer in aqueous solution was then investigated by
Binyang Du, Aixiong Mei, Yong Yang, Qinfen Zhang, Qi Wang, Junting Xu, Zhiqiang Fan   +6 more
openaire   +1 more source

Colloidal Phase Separation of Concentrated PNIPAm Solutions

Langmuir, 2007
In the concentration range of 1-6 wt %, solutions of a thermosensitive polymer (poly-N-isopropylacrylamide (PNIPAm), Mw = 1.4 x 10(5) g.mol(-1)) are shown to phase separate in the form of dense stable colloids of nearly pure polymer. Diffuse wave spectroscopy and small-angle neutron scattering both provide consistent measurements of the colloidal size ...
Balu, C., Delsanti, M., Guenoun, Pierre, Monti, Fabrice, Cloitre, Michel   +4 more
openaire   +3 more sources

Nanorod‐Coated PNIPAM Microgels: Thermoresponsive Optical Properties

Small, 2007
AbstractNanoparticles and in particular gold nanorods have interesting optical properties arising from two well‐differentiated plasmon modes. The frequency of such modes can be altered by their chemical environment and coupling with neighboring rods. This study investigates new composite materials made of gold nanorods adsorbed on thermoresponsive poly(
Karg, Matthias, Pastoriza-Santos, Isabel, Perez-Juste, Jorge, Hellweg, Thomas, Liz-Marzan, Luis M.   +4 more
openaire   +2 more sources