How to make volume x particles 3.52/10/2023 Sometimes, all of the needed dimensions cannot be obtained with TEM alone. The measurements are averaged and substituted in the formulas above. To obtain these dimensions, TEM images are analyzed with a program such as ImageJ/Fiji to measure many particles from multiple TEM grids. At nanoComposix we primarily use a transmission electron microscope (TEM) to measure particle dimensions, allowing the volume to be calculated.įor spherical nanoparticles, the volume is: V=4/3□ r 3, where r is the radius of the sphereįor rod shaped nanoparticles, the volume is: V=□ r 2l, where r is the radius of the rod and l is the lengthįor plate shaped nanoparticles, the volume is V=□ r 2h , where r is the radius of the nanoplate and h is the thickness.įor cube shaped nanoparticles, the volume is : V=d 3, where d is the diameter of the cube. The volume of a nanoparticle is determined by first measuring its dimensions. How to Calculate the Volume of a Nanoparticle In this module, we describe how we calculate these parameters for both solid particles and core/shell particle geometries. Nanoparticle volume, mass and concentration are fundamental nanoparticle characteristics.
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