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Article
Open AccessConstruction of peptide/plasmid DNA complexes for plant gene transfection via the basic leucine zipper domain
An important method for plant genetic modification is using peptide/pDNA complexes to transfer genes into plant cells. With conventional carrier peptides, the peptide sequence must contain a high amount of cat...
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Article
Open AccessCross-linking polybutadiene rubber via a thiol-ene reaction with polycysteine as a degradable cross-linker
Covalently cross-linked rubber materials are widely used in elastic applications due to their excellent mechanical properties. However, the irreversibility of covalent cross-linking suffers from poor material ...
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Article
Open AccessReplicating shear-mediated self-assembly of spider silk through microfluidics
The development of artificial spider silk with properties similar to native silk has been a challenging task in materials science. In this study, we use a microfluidic device to create continuous fibers based ...
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Article
Open AccessMolecular dynamics simulation of complexation between plasmid DNA and cationic peptides
The elucidation of the process by which cationic peptides condense plasmid DNA (pDNA) is important for unraveling the mechanism of peptide/pDNA complex formation, which plays a vital role in gene delivery for ...
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Article
Open AccessPolymer-coated carbon nanotube hybrids with functional peptides for gene delivery into plant mitochondria
The delivery of genetic material into plants has been historically challenging due to the cell wall barrier, which blocks the passage of many biomolecules. Carbon nanotube-based delivery has emerged as a promi...
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Article
Open AccessCrystallization-induced mechanofluorescence for visualization of polymer crystallization
The growth of lamellar crystals has been studied in particular for spherulites in polymeric materials. Even though such spherulitic structures and their growth are of crucial importance for the mechanical and ...
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Article
Open AccessPeriodic introduction of aromatic units in polypeptides via chemoenzymatic polymerization to yield specific secondary structures with high thermal stability
Polypeptides containing periodic aromatic residues in their main chains were synthesized via papain-catalyzed chemoenzymatic polymerization of tripeptide ester monomers under moderate conditions in aqueous buf...
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Synthesis of Polypeptides
Proteases (EC 3.4), enzymes originally used to cleave the amide bonds of proteins by hydrolysis, have been utilized for the enzymatic synthesis of peptide compounds. This enzymatic synthesis of polypeptides is...
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Article
Open AccessSpider dragline silk composite films doped with linear and telechelic polyalanine: Effect of polyalanine on the structure and mechanical properties
Spider dragline silks have attracted intensive attention as eco-friendly tough materials because of their excellent mechanical property and biomass-based origin. Composite films based on a recombinant spider d...
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Article
Synthesis of poly(arylene ether sulfone): 18-Crown-6 catalyzed phase-transfer polycondensation of bisphenol A with 4,4′-dichlorodiphenyl sulfone
We have demonstrated that the phase-transfer polycondensation of bisphenol A with 4,4'-dichlorodiphenyl sulfone catalyzed by 18-crown-6 provided poly(arylene ether sulfone)s with high molecular weights even in...
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Article
Catalytic oxidative polymerization of thiophene derivatives
The oxidative polymerization of thiophene derivatives was carried out using palladium (II) acetate as a catalyst in combination with copper (II) acetate and trifluoroacetic acid under an oxygen atmosphere. The...
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Article
Synthesis and Properties of a Novel Brush-type Copolymers Bearing Thiophene Backbone and 3-(N-carbazolyl)propyl Acrylate Side Chains for Light-emitting Applications
A new light-emitting and hole transporting copolymer 2,5-Poly(3-[1-ethyl-2-(2-[poly(3-(N-carbazolyl)propyl acrylate)]propionate)]thiophene) (PT-g-PCPA) was prepared via atom transfer radical polymerization (ATRP)...
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Article
A Negative Type Photosensitive Polymer Based on Poly(naphthylene ether), a Cross-Linker, and a Photoacid Generator with Low Dielectric Constant
A novel negative-working thermally stable photosensitive polymer based on poly(naphthylene ether), a cross-linker hexa(methoxymethyl)melamine, and a photoacid generator (5-propylsulfonyl-oxyimino-5H-thiophen-2-yl...
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Article
Synthesis of Poly(naphthylene ether) Containing Tetraphenylmethane Group with a Low Dielectric Constant
A novel thermally stable and low dielectric poly[4,4′-bis(1-naphthyloxy)tetraphenylmethane] (2) has been successfully prepared. 4,4′-Bis(1-naphthyloxy)tetraphenylmethane (1) as a monomer was synthesized by the...
