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. 2023 Jul 21;5(4):e220157. doi: 10.1148/rycan.220157

Figure 4:

Targeted α-particle and β-particle therapy comparison. Illustration shows the characteristic features of α and β particles. α Particles are positively charged particles composed of two protons and two neutrons, essentially the nucleus of a helium atom, and β particles are negatively charged particles, essentially electrons. α Particles have much greater mass, higher linear energy transfer (LET), travel a much shorter distance in tissue, and are more cytotoxic than β particles. The illustration includes specific values of these characteristics for reference but is not to scale. Created with BioRender.com.

Targeted α-particle and β-particle therapy comparison. Illustration shows the characteristic features of α and β particles. α Particles are positively charged particles composed of two protons and two neutrons, essentially the nucleus of a helium atom, and β particles are negatively charged particles, essentially electrons. α Particles have much greater mass, higher linear energy transfer (LET), travel a much shorter distance in tissue, and are more cytotoxic than β particles. The illustration includes specific values of these characteristics for reference but is not to scale. Created with BioRender.com.