Raw data underlying the publication: 'The Motion Of Catalytically Active Colloids Approaching A Surface'

We looked at the motion of catalytically active particles and studied the influence of salt concentration on the motion for colloids moving at different separation distances from a wall. This dataset consist of the particle traces (polystyrene of 4.5 micron in diameter, half-coated with 5 nm Pt/Pd) separated in three main folders.'microscope_without_acoustic_tweezers' consists of particle traces of 2D experiments, where the particles sedimented and moved parallel to the substrate. The different subfolders specify the fuel concentration (hydrogen peroxide) and the salt concentration (sodium chloride).'microscope_with_acoustic_tweezers' consists of particle traces of 3D experiments, where the particles where lifted using acoustic tweezers and propelled in 3D.'microscope_with_tilted_stage' consists of particle traces of 2D experiments, where the particles moved on a tilted substrate (the subfolders indicate the tilt angle with respect to the horizontal).

本数据集围绕催化活性粒子的运动展开研究，探讨了盐浓度对与壁面间距各异的胶体粒子运动行为的影响。本数据集包含粒子运动轨迹数据（粒子为直径4.5微米的聚苯乙烯微球，半数表面包覆5nm Pt/Pd涂层），并分为三个主文件夹分类存储：

'microscope_without_acoustic_tweezers'（无声学镊子（acoustic tweezers）显微镜组）：包含二维实验的粒子运动轨迹数据，此类实验中粒子经沉降后平行于基底运动。不同子文件夹分别对应不同的燃料浓度（过氧化氢）与盐浓度（氯化钠）。

'microscope_with_acoustic_tweezers'（带声学镊子显微镜组）：包含三维实验的粒子运动轨迹数据，此类实验中利用声学镊子将粒子提起，并使其在三维空间中运动。

'microscope_with_tilted_stage'（倾斜载物台显微镜组）：包含二维实验的粒子运动轨迹数据，此类实验中粒子在倾斜基底上运动，子文件夹标注了相对于水平面的倾斜角度。