执行功能和注意力是注意缺陷多动障碍(attention deficit and hyperactivity disorder,ADHD)儿童的核心缺陷,一直备受社会、学校和家庭的深度关注。探究运动改善ADHD儿童执行功能和注意力的影响机制、效果和方法。检索相关研究文献,分...执行功能和注意力是注意缺陷多动障碍(attention deficit and hyperactivity disorder,ADHD)儿童的核心缺陷,一直备受社会、学校和家庭的深度关注。探究运动改善ADHD儿童执行功能和注意力的影响机制、效果和方法。检索相关研究文献,分析急性、长期运动中运动类型、周期、时长、频次、强度等不同运动变量对ADHD儿童执行功能和注意力的影响。结果表明,通过中等/中高强度的急性、长期的多种方式的运动,均可较为显著改善ADHD儿童的执行功能和注意力,并对ADHD儿童学习表现有所助益。尽管运动改善ADHD儿童执行功能和注意力的效果明显,但更为合理、优化的运动干预方案仍有待继续完善。展开更多
A laboratory-made tumor cell detection device was fabricated based on both surface plasmon resonance imaging（SPRi） and image processing.In this device,a gravity-induced flow injection chip（gFIC） was exploited to r...A laboratory-made tumor cell detection device was fabricated based on both surface plasmon resonance imaging（SPRi） and image processing.In this device,a gravity-induced flow injection chip（gFIC） was exploited to replace a pump.Also two charge coupled devices（CCDs） were used to detect HepG2 cells by SPRi and image processing,respectively.The results of two CCDs are associated.Protein A was used to modify the sensing surface.The inlet angle was carefully adjusted for the device to get an enhanced image.In the test,the contrast among cell solutions at different concentrations can be easily distinguished.The other CCD using image processing can tell false-positive in some degree.This detection is label-free,real time,and precise.展开更多
文摘执行功能和注意力是注意缺陷多动障碍(attention deficit and hyperactivity disorder,ADHD)儿童的核心缺陷,一直备受社会、学校和家庭的深度关注。探究运动改善ADHD儿童执行功能和注意力的影响机制、效果和方法。检索相关研究文献,分析急性、长期运动中运动类型、周期、时长、频次、强度等不同运动变量对ADHD儿童执行功能和注意力的影响。结果表明,通过中等/中高强度的急性、长期的多种方式的运动,均可较为显著改善ADHD儿童的执行功能和注意力,并对ADHD儿童学习表现有所助益。尽管运动改善ADHD儿童执行功能和注意力的效果明显,但更为合理、优化的运动干预方案仍有待继续完善。
基金Supported by the National Natural Science Foundation of China（Nos.31070772,31270907,21275129）.
文摘A laboratory-made tumor cell detection device was fabricated based on both surface plasmon resonance imaging（SPRi） and image processing.In this device,a gravity-induced flow injection chip（gFIC） was exploited to replace a pump.Also two charge coupled devices（CCDs） were used to detect HepG2 cells by SPRi and image processing,respectively.The results of two CCDs are associated.Protein A was used to modify the sensing surface.The inlet angle was carefully adjusted for the device to get an enhanced image.In the test,the contrast among cell solutions at different concentrations can be easily distinguished.The other CCD using image processing can tell false-positive in some degree.This detection is label-free,real time,and precise.
