Hui-dong Zhu

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In this work, the catalytic activity of calix[8]arene sulfonic acid was successfully investigated for the famous Biginelli reaction. Under ultrasonic irradiation, calix[8]arene sulfonic acid could efficiently catalyzed the three-component reaction of aldehydes with ethyl acetoacetate and urea or thiourea in ethanol to afford the corresponding(More)
Two types of amphoteric calix[n]arene carboxylic acid (CnCA) derivative, i.e., calix[6]arene hexa-carboxylic acid (C6HCA) and calix[8]arene octo-carboxylic acid (C8OCA), were synthesized by introducing acetoxyls into the hydroxyls of calix[n]arene (n=6, 8). C6HCA and C8OCA nanoparticles (NPs) were prepared successfully using the dialysis method. CnCA NPs(More)
OBJECTIVE To observe the effect of non-ablative fractional laser Lux1540nm in superficial scars therapy. METHODS According to the Fitzpatrik skin type and scar appearances, appropriate laser energy and pulse width were selected for scar treatment. Therapeutic effect and side-effect was evaluated by preoperative photos and 6 months of postoperative photos.(More)
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