The invention relates mainly to a particle comprising at least one biopolymer which is degradable under the effect of an electromagnetic wavelength, notably the wavelength of which is in the spectrum of the wavelengths emitted by the sun, this biopolymer comprising nucleosides. The wheel arm assembly may be inserted into a base of the autonomous vehicle from the exterior of the base. A process of forming an integrated circuit with a SAR SRAM cell with DPT compatible integrated circuit and SAR SRAM cell metal-1 and metal-2 patterns. In an alternate embodiment, a method for accessing a nonvolatile writeable memory is provided. Consequently, the light-emitting device has excellent color gamut.