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Ultra‐high‐resolution scanning electron microscopy of mitochondria and sarcoplasmic reticulum arrangement in human red, white, and intermediate muscle fibers
TLDR
Scanning electron microscopy was used on specially prepared specimens to determine the distinctive features of mitochondria and sarcoplasmic reticulum in each fiber type. Expand
In situ single cell observation by fluorescence resonance energy transfer reveals fast intra‐cytoplasmic delivery and easy release of plasmid DNA complexed with linear polyethylenimine
The investigation into the intracellular mechanisms for gene expression has acquired great impetus for the improvement of the transfection efficiency by a non‐viral gene delivery system.
Block catiomer polyplexes with regulated densities of charge and disulfide cross-linking directed to enhance gene expression.
TLDR
The balance between the densities of the cationic charge and disulfide cross-linking in the thiolated polyplex played a crucial role in the delivery and controlled release of entrapped pDNA into the microenvironment of intracellular compartment to achieve the high transfection efficiency. Expand
3D spheroid culture system on micropatterned substrates for improved differentiation efficiency of multipotent mesenchymal stem cells.
TLDR
It is reported that a much higher multipotent differentiation efficiency of MSCs to adult cells can be achieved using a 3D spheroid culture method based on photolithography and micropatterning techniques and regulated gene expression not only by increasing the expression levels of genes related to adipogenesis and osteogenesis, but also by down-regulating the gene maintaining M SCs' self-renewal phenotypes. Expand
Magnetic reversal of the ferroelectric polarization in a multiferroic spinel oxide.
TLDR
Ferroelectric transition has been detected in a ferrimagnetic spinel oxide of CoCr2O4 upon the transition to the conical spin order below 25 K, indicating the clamping of the ferromagnetic and ferroelectric domain walls. Expand
Scanning electron-microscopic studies on the three-dimensional structure of mitochondria in the mammalian red, white and intermediate muscle fibers
SummaryThe three-dimensional structure and arrangement of mitochondria in the red, white and intermediate striated muscle fibers of the rat were examined under a field-emission type scanning electronExpand
Environment-responsive block copolymer micelles with a disulfide cross-linked core for enhanced siRNA delivery.
TLDR
The feasibility of core cross-linked PIC micelles as carriers for therapeutic siRNA and show that stable micellar structure is critical for effective siRNA delivery into target cells are shown. Expand
Supramolecular assemblies for the cytoplasmic delivery of antisense oligodeoxynucleotide: polyion complex (PIC) micelles based on poly(ethylene glycol)-SS-oligodeoxynucleotide conjugate.
TLDR
Results indicate that the PIC micelles formulated from PEG-SS-asODN conjugate and B-PEI is successfully transported from the endosomal compartment into the cytoplasm by the buffering effect of the B- PEI, releasing hundreds of active asODN molecules via cleavage of the disulfide linkage into the cellular interior, responding to a high glutathione concentration in the cy toplasmic compartment. Expand
Development of a fitting model suitable for the isothermal titration calorimetric curve of DNA with cationic ligands.
TLDR
The novel curve fitting model developed in this study takes into account this uncertainty on the relationship of the binding constants and is highly flexible for the two-variable binding constant system. Expand
Polyion complex micelles of pDNA with acetal-poly(ethylene glycol)-poly(2-(dimethylamino)ethyl methacrylate) block copolymer as the gene carrier system: physicochemical properties of micelles
TLDR
The PIC micelles were stable even in the presence of excess polyanions, poly(vinyl sulfate), in contrast to polyplexes based on the PAMA homopolymer, yet this stabilization effect was highly dependent on the N/P ratio to reach a plateau atN/P = 3-4. Expand
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