The simple yet efficient preparation, excellent physical characteristics, fast dissolution, and high apparent solubility exhibited by the PPZ-DXT nanoplex established its potential as a new bioavailability enhancement strategy of PPZ.

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A bottleneck in recent gene synthesis technologies is the high cost of oligonucleotide synthesis and post-synthesis sequencing. In this article, a simple and rapid method for low-cost gene synthesis technology was developed based on DNAWorks program and an improved single-step overlap extension PCR (OE-PCR). This method enables any DNA sequence to be synthesized with few errors, then any mutated sites could be corrected by site-specific mutagenesis technology or PCR amplification-assembly method, which can amplify different DNA fragments of target gene followed by assembly into an entire gene through their overlapped region. Eventually, full-length DNA sequence without error was obtained via this novel method. Our method is simple, rapid and low-cost, and also easily amenable to automation based on a DNAWorks design program and defined set of OE-PCR reaction conditions suitable for different genes. Using this method, several genes including Manganese peroxidase gene (Mnp) of Phanerochaete chrysosporium (P. chrysosporium), Laccase gene (Lac) of Trametes versicolor (T. versicolor) and Cip1 peroxidase gene (cip 1) of Coprinus cinereus (C. cinereus) with sizes ranging from 1.0 kb to 1.5 kb have been synthesized successfully.

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The present results established for the first time the radioprotective activity of curcumin-encapsulated liposomes in human blood cells, which coupled by its well-established bioavailability, boded well for its potential application as a nanoscale delivery system of other radioprotective phytochemicals.

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