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Conducting hydrogels have attracted attention as a special functional class of smart soft materials and have found applications in various advanced fields. However, acquiring all the characteristics such as conductivity, adequate adhesiveness, self-healing ability, stretchability, biocompatibility, and stimulating deformation responsiveness still remains a challenge. Inspired by the mechanism of bioadhesion in marine mussels, a multifunctional nanocomposite hydrogel with excellent adhesiveness to a broad range of substrates including human skin was developed with the help of synergistic multiple coordination bonds between clay, poly(N-isopropylacrylamide) (PNIPAM), and polydopamine nanoparticles (PDA-NPs). The prepared hydrogel showed controllable near-infrared (NIR) responsive deformation after incorporation of PDA-NPs as highly effective photothermal agents in the thermo-sensitive PNIPAM network. Meanwhile, the fabricated nanocomposite hydrogels showed excellent stretchability and conductivity, which make them attractive material candidates for application in various fields, such as electronic skin, wearable devices, and so on.
This article was published in the following journal.
Name: Colloids and surfaces. B, Biointerfaces
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A poly(A) binding protein that is involved in promoting the extension of the poly A tails of MRNA. The protein requires a minimum of ten ADENOSINE nucleotides in order for binding to mRNA. Once bound it works in conjunction with CLEAVAGE AND POLYADENYLATION SPECIFICITY FACTOR to stimulate the rate of poly A synthesis by POLY A POLYMERASE. Once poly-A tails reach around 250 nucleotides in length poly(A) binding protein II no longer stimulates POLYADENYLATION. Mutations within a GCG repeat region in the gene for poly(A) binding protein II have been shown to cause the disease MUSCULAR DYSTROPHY, OCULOPHARYNGEAL.
A poly(ADP-ribose) polymerase that contains two ZINC FINGERS in its N-terminal DNA-binding region. It modifies NUCLEAR PROTEINS involved in chromatin architecture and BASE EXCISION REPAIR with POLY ADENOSINE DIPHOSPHATE RIBOSE.
A poly(A) binding protein that has a variety of functions such as mRNA stabilization and protection of RNA from nuclease activity. Although poly(A) binding protein I is considered a major cytoplasmic RNA-binding protein it is also found in the CELL NUCLEUS and may be involved in transport of mRNP particles.
Post-translational modification of proteins with POLY ADENOSINE DIPHOSPHATE RIBOSE.
The addition of a tail of polyadenylic acid (POLY A) to the 3' end of mRNA (RNA, MESSENGER). Polyadenylation involves recognizing the processing site signal, (AAUAAA), and cleaving of the mRNA to create a 3' OH terminal end to which poly A polymerase (POLYNUCLEOTIDE ADENYLYLTRANSFERASE) adds 60-200 adenylate residues. The 3' end processing of some messenger RNAs, such as histone mRNA, is carried out by a different process that does not include the addition of poly A as described here.
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