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Biomimetic adhesive containing nanocomposite hydrogel with enhanced materials properties

Louis Stokes Alliances for Minority Participation AND Program Evaluation

Casey S.
GSID: uic3D6TXsokJ
S Skelton, M Bostwick, K O'Connor, S Konst, S Casey… - Soft Matter, 2013 - pubs.rsc.org

Chemically crosslinked polyacrylamide (PAAm) nanocomposite hydrogels were prepared with inorganic nano-silicate, Laponite, and dopamine methacrylamide (DMA). DMA consists of a biomimetic adhesive side chain covalently linked to a polymerizable methacrylate monomer. Copolymerizing DMA into a PAAm hydrogel strongly enhanced...

The effect of hypoxia on thermosensitive poly(N‐vinylcaprolactam) hydrogels with tunable mechanical integrity for cartilage tissue engineering

Louis Stokes Alliances for Minority Participation AND Program Evaluation

[No authors listed]
GSID: cJXXjhQAfOIJ
B Lynch, K Crawford, O Baruti… - … Research Part B …, 2017 - Wiley Online Library

Cartilage repair presents a daunting challenge in tissue engineering applications due to the low oxygen conditions (hypoxia) affiliated in diseased states. Hence, the use of biomaterial scaffolds with unique variability is imperative to treat diseased or damaged cartilage. Thermosensitive...

A review of stimuli-responsive polymers for smart textile applications

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Hu J, Li G.
GSID: 2DqZQs5-m7IJ
J Hu, H Meng, G Li, SI Ibekwe - Smart Materials and Structures, 2012 - iopscience.iop.org

Stimuli-responsive polymers (SRPs) are smart materials which can show noticeable changes in their properties with environmental stimulus variations. Novel functionalities can be delivered to textiles by integrating smart SRPs into them. SRPs inclusive of thermal-responsive polymers, moisture-responsive polymers, thermal-responsive...

Poly(vinyl methyl ether) hydrogels at temperatures below the freezing point of water-molecular interactions and states of water.

Colloid and polymer science

Pastorczak M, Dominguez-Espinosa G, Okrasa L, Pyda M, Kozanecki M, Kadlubowski S, Rosiak JM, Ulanski J.
PMID: 25100897
Colloid Polym Sci. 2014;292:1775-1784. doi: 10.1007/s00396-014-3283-z. Epub 2014 Jun 18.

Water interacting with a polymer reveals a number of properties very different to bulk water. These interactions lead to the redistribution of hydrogen bonds in water. It results in modification of thermodynamic properties of water and the molecular dynamics...

Formation and Controlled Drug Release Using a Three-Component Supramolecular Hydrogel for Anti-.

Nanomaterials (Basel, Switzerland)

Li Y, Zhu L, Fan Y, Li Y, Cheng L, Liu W, Li X, Fan X.
PMID: 28344302
Nanomaterials (Basel). 2016 Mar 09;6(3). doi: 10.3390/nano6030046.

A novel three-component supramolecular hydrogel based on riboflavin, melamine and amino acid derivatives were constructed for controlled release of pesticides, Niclosamide derivatives. The formation of hydrogel may be attributed to self-assemble via hydrogen bonding and π-π interaction, which have...

Influence of high energy electron irradiation on the network structure of gelatin hydrogels as investigated by small-angle X-ray scattering (SAXS).

Physical chemistry chemical physics : PCCP

Wisotzki EI, Tempesti P, Fratini E, Mayr SG.
PMID: 28443878
Phys Chem Chem Phys. 2017 May 17;19(19):12064-12074. doi: 10.1039/c7cp00195a.

The impact of high energy crosslinking on the network structure of gelatin hydrogels was investigated in comparison to physically entangled gels by small-angle X-ray scattering (SAXS). Physically entangled gelatin of increasing concentration exhibited a nearly constant correlation length of...

High-frequency linear rheology of hydrogels probed by ultrasound-driven microbubble dynamics.

Soft matter

Jamburidze A, De Corato M, Huerre A, Pommella A, Garbin V.
PMID: 28504278
Soft Matter. 2017 May 31;13(21):3946-3953. doi: 10.1039/c6sm02810a.

Ultrasound-driven microbubble dynamics are central to biomedical applications, from diagnostic imaging to drug delivery and therapy. In therapeutic applications, the bubbles are typically embedded in tissue, and their dynamics are strongly affected by the viscoelastic properties of the soft...

Graphene Oxide/Polyacrylamide/Aluminum Ion Cross-Linked Carboxymethyl Hemicellulose Nanocomposite Hydrogels with Very Tough and Elastic Properties.

Chemistry, an Asian journal

Kong W, Huang D, Xu G, Ren J, Liu C, Zhao L, Sun R.
PMID: 27062081
Chem Asian J. 2016 Jun 06;11(11):1697-704. doi: 10.1002/asia.201600138. Epub 2016 May 25.

Development of high-strength hydrogels has recently attracted ever-increasing attention. In this work, a new design strategy has been proposed to prepare graphene oxide (GO)/polyacrylamide (PAM)/aluminum ion (Al(3+) )-cross-linked carboxymethyl hemicellulose (Al-CMH) nanocomposite hydrogels with very tough and elastic properties....

Programming temporal shapeshifting.

Nature communications

Hu X, Zhou J, Vatankhah-Varnosfaderani M, Daniel WFM, Li Q, Zhushma AP, Dobrynin AV, Sheiko SS.
PMID: 27676123
Nat Commun. 2016 Sep 27;7:12919. doi: 10.1038/ncomms12919.

Shapeshifting enables a wide range of engineering and biomedical applications, but until now transformations have required external triggers. This prerequisite limits viability in closed or inert systems and puts forward the challenge of developing materials with intrinsically encoded shape...

A novel pH-induced thermosensitive hydrogel composed of carboxymethyl chitosan and poloxamer cross-linked by glutaraldehyde for ophthalmic drug delivery.

Carbohydrate polymers

Yu S, Zhang X, Tan G, Tian L, Liu D, Liu Y, Yang X, Pan W.
PMID: 27702506
Carbohydr Polym. 2017 Jan 02;155:208-217. doi: 10.1016/j.carbpol.2016.08.073. Epub 2016 Aug 25.

In this work, a stimuli-responsive three dimensional cross-linked hydrogel system containing carboxymethyl chitosan (CMC) and poloxamer composed of a poly (ethylene oxide)/poly (propylene oxide)/poly (ethylene oxide) (PEO-PPO-PEO) block copolymer was constructed, and its aqueous solution was found to undergo...

Self-Propelling Hydrogel/Emulsion-Hydrogel Soft Motors for Water Purification.

ACS applied materials & interfaces

Wang H, Gu X, Wang C.
PMID: 27004569
ACS Appl Mater Interfaces. 2016 Apr 13;8(14):9413-22. doi: 10.1021/acsami.6b00197. Epub 2016 Mar 29.

We fabricate a kind of catalytic self-propelling hydrogel soft motor (H-motor) via a facile injection loading method with low energy consumption. The factors influencing the practicability of H-motors, including locomotive ability and reusability, are investigated. The succession of rapid...

Effect of glycerol on sustained insulin release from PVA hydrogels and its application in diabetes therapy.

Experimental and therapeutic medicine

Cai Y, Che J, Yuan M, Shi X, Chen W, Yuan WE.
PMID: 27698690
Exp Ther Med. 2016 Oct;12(4):2039-2044. doi: 10.3892/etm.2016.3593. Epub 2016 Aug 12.

The present study aimed to investigate the effects of glycerol on the physical properties and release of an insulin-loaded polyvinyl alcohol (PVA) hydrogel film. The insulin-loaded hydrogel composite film was produced using the freeze-thawing method, after which the

Showing 1 to 12 of 8030 entries