نتایج جستجو برای: nipam

تعداد نتایج: 208  

2007
Nipam Patel Dan Rokhsar Michael Akam Ariel Chipman Mark Blaxter Michael Eisen

Nipam Patel (University of California, Berkeley, USA), Dan Rokhsar (Joint Genome Institute, USA), Max Telford (University College London, UK), Graham Budd (University of Uppsala, Sweden), Michael Akam (Cambridge University, UK), Ariel Chipman (Hebrew University, Israel), Bob Goldstein (University of North Carolina, USA), Mark Blaxter (Edinburgh, UK), Michael Eisen (University of California, Ber...

Journal: :Chemical communications 2013
Yibo Dou Ting Pan Awu Zhou Simin Xu Xiaoxi Liu Jingbin Han Min Wei David G Evans Xue Duan

A smart supercapacitor was fabricated by loading a thermosensitive polymer P(NIPAM-co-SPMA) onto the surface of NiAl-layered double hydroxide (LDH) nanowalls grown on a flexible Ni foil substrate, which displays temperature-triggered on-off ion channels for controlling the electrochemical behavior.

2012

A novel thermo-sensitive superabsorbent hydrogel with saltand pH-responsiveness properties was obtained by grafting of mixtures of acrylic acid (AA) and N-isopropylacrylamide (NIPAM) monomers onto kappa-carrageenan, kC, using ammonium persulfate (APS) as a free radical initiator in the presence of methylene bisacrylamide (MBA) as a crosslinker. Infrared spectroscopy was carried out to confirm t...

Journal: :Journal of biomedical materials research. Part A 2004
Xuanhong Cheng Yanbing Wang Yael Hanein Karl F Böhringer Buddy D Ratner

A novel approach is reported for cell patterning based on addressable microheaters and a poly(N-isopropyl acrylamide) (pNIPAM) themoresponsive coating. This thermoresponsive coating is created by a radio frequency NIPAM plasma and is denoted as plasma polymerized NIPAM (ppNIPAM). Films of ppNIPAM with a good retention of monomer side-chain functionality are produced using low-power continuous p...

Journal: :Physical chemistry chemical physics : PCCP 2011
Shengtong Sun Jun Hu Hui Tang Peiyi Wu

The thermally induced volume phase transition process of poly(N-isopropylacrylamide-co-acrylic acid) (PNIPAM-co-AA) hydrogel is studied using FT-IR spectroscopy in combination with the perturbation correlation moving window (PCMW) technique and two-dimensional correlation spectroscopy (2Dcos) analysis. According to PCMW spectra analysis, an elevation of volume phase transition temperature (VPTT...

2009
R. Contreras-Cáceres R. Álvarez-Puebla I. Pastoriza-Santos J. Pérez-Juste J. Pacifico L. M. Liz-Marzán

Nanocomposite materials consisting of a colloidal metal nanoparticle within a synthetic polymer hydrogel shell have attracted great attention due to potential applications in several fields such as catalysis, photonics, electronics, optics and biomedicine. Within the polymeric nanoparticles the field concerning stimuli-responsive nanomaterials has been investigated intensively in the past years...

Journal: :MATEC web of conferences 2021

The present research was performed aiming to develop gel with the characteristic of reversible thermosensitive in adsorbing heavy metal ions from its solution. There were three gels used this study adsorb ion salt solution provided Zn(NO 3 ) 2 ; copolymer consisting zwitterionic betaine N,N -dimethyl(acrylamidopropyl)ammonium propane sulfonate (DMAAPS), butane (DMAABS), and DMAAPS copolymerized...

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