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High strength and self-healing properties of hydrogels are of great interest in tissue engineering and biomedical fields. In this paper, nanocomposite hydrogels were prepared by freeze-thaw cycle method via fabricating physical cross-links into chemical-crosslinked formed polymer network. The properties of nanocomposite hydrogels were characterized by FTIR, XRD, SEM, rheological analysis, swelling analysis and mechanical test. The results showed that the electrostatic interaction between CNC and QAX and the high amount of PVA (20 wt%) w

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Buying a Twin Buggy If you're taking twins or two children who are similar in age, this selection of double prams and buggies makes it easy to get your children from A to B. Tandem models are ideal for siblings of similar ages and single-seaters provide more maneuverability on public transportation and in smaller space. Side-by-side buggies, such as the Out n About Nipper Double are slimline enough to fit through the majority of doors and require less space on the ro