The hydrophobicity of the lotus leaf is mainly due to its surface micro-nano composite structure. In order to mimic the lotus structure, ZnO micro-nano composite hydrophobic films were prepared via the three-step meth...The hydrophobicity of the lotus leaf is mainly due to its surface micro-nano composite structure. In order to mimic the lotus structure, ZnO micro-nano composite hydrophobic films were prepared via the three-step method. On thin buffer films of SiO2, which were first fabricated on glass substrates by the so,gel dip-coating method, a ZnO seed layer was deposited via RF magnetron sputtering. Then two different ZnO films, micro-nano and micro-only flowerlike structures, were grown by the hydrothermal method. The prepared films have different hydrophobic properties after surface modification. The structures of the obtained ZnO films were characterized using x-ray diffraction and field-emission scanning electron microscopy. A conclusion that a micro-nano composite structure is more beneficial to hydrophobicity than a micro-only structure was obtained through research into the effect of structure on hydrophobic properties.展开更多
目的:探讨针刺联合三步七法推拿对颈肩腰腿痛(neck,shoulder,waist and leg pain,NSWLP)肾虚血瘀证患者颈肩腰腿活动功能的影响。方法:将NSWLP肾虚血瘀证患者112例按照随机数字表法分为对照组和观察组各56例。对照组予西医常规干预方案...目的:探讨针刺联合三步七法推拿对颈肩腰腿痛(neck,shoulder,waist and leg pain,NSWLP)肾虚血瘀证患者颈肩腰腿活动功能的影响。方法:将NSWLP肾虚血瘀证患者112例按照随机数字表法分为对照组和观察组各56例。对照组予西医常规干预方案,观察组在对照组基础上采取针刺联合三步七法推拿治疗,连续治疗4周后比较两组患者疼痛程度,颈椎、肩关节、腰椎、膝关节功能以及临床疗效。结果:治疗4周后,两组患者视觉模拟量表(visual analogue scale,VAS)评分均降低(P<0.01),观察组降低更明显(P<0.01);两组患者颈椎病临床评价量表(cervical spondylosis clinical evaluation scale,CASCS)、Constant-Murley欧美肩关节评分法(constant-murley score,C-M)、日本骨科协会(Japanese Orthopaedic Association,JOA)评分、Lysholm评分均升高,观察组升高更明显(P<0.01);观察组总有效率为94.64%(53/56),高于对照组的80.36%(45/56)(P<0.05)。结论:西医常规治疗基础上予针刺联合三步七法推拿治疗NSWLP肾虚血痧证疗效更佳,可进一步减轻患者疼痛,改善颈肩腰腿活动功能。展开更多
基金supported by the Science Fund of Anhui Province,China(Grant No 070414187)the National Fund for Fostering Talents in Basic Science of China(Grant No J0630319/J0103)
文摘The hydrophobicity of the lotus leaf is mainly due to its surface micro-nano composite structure. In order to mimic the lotus structure, ZnO micro-nano composite hydrophobic films were prepared via the three-step method. On thin buffer films of SiO2, which were first fabricated on glass substrates by the so,gel dip-coating method, a ZnO seed layer was deposited via RF magnetron sputtering. Then two different ZnO films, micro-nano and micro-only flowerlike structures, were grown by the hydrothermal method. The prepared films have different hydrophobic properties after surface modification. The structures of the obtained ZnO films were characterized using x-ray diffraction and field-emission scanning electron microscopy. A conclusion that a micro-nano composite structure is more beneficial to hydrophobicity than a micro-only structure was obtained through research into the effect of structure on hydrophobic properties.