Abstract: Optical device for optical fluorescence microscopy, comprising a spatial modulator (1), a microscope objective (2), a beamsplitter (3) and a camera (4), wherein the beamsplitter (3) is placed between the spatial modulator (1) and the microscope objective (2), wherein the beamsplitter (3) is placed between the camera (4) and the microscope objective (2), and wherein a prism (5) is placed between the beamsplitter (3) and the camera (4).

Abstract: Optical device for optical fluorescence microscopy, comprising a spatial modulator (1), a microscope objective (2), a beamsplitter (3) and a camera (4), wherein the beamsplitter (3) is placed between the spatial modulator (1) and the microscope objective (2), wherein the beamsplitter (3) is placed between the camera (4) and the microscope objective (2), and wherein a prism (5) is placed between the beamsplitter (3) and the camera (4).

Abstract: A subtractive method for structuring a hydrogel, comprising the following steps: producing a hydrogel layer containing benzophenone (3) on a substrate (6), the hydrogel not having any photocleavable group; bringing the hydrogel layer into contact with an oxygen tank (4); selectively illuminating the hydrogel layer with a light (5) capable of activating the benzophenone in order to convert the illuminated zone of the hydrogel layer into a liquid; and eliminating the liquid.

Abstract: Optical device for optical fluorescence microscopy, comprising a spatial modulator (1), a microscope objective (2), a beamsplitter (3) and a camera (4), wherein the beamsplitter (3) is placed between the spatial modulator (1) and the microscope objective (2), wherein the beamsplitter (3) is placed between the camera (4) and the microscope objective (2), and wherein a prism (5) is placed between the beamsplitter (3) and the camera (4).

Abstract: Process for printing an adhesive pattern on a polymer brush extending at the surface of a support (1), forming a nanometric anti-fouling layer (2), the process comprising the following steps: —placing the layer (2) in contact with a first aqueous solution (4) containing a benzophenone, —then illuminating the layer with radiation (3) at a wavelength within the absorption spectrum of benzophenone, according to the pattern and according to a surface energy.

Abstract: Product for printing proteins comprising a substrate (1), a nanoscale polymer first layer (3), which is nonstick for the proteins, deposited on the substrate (1), and a second layer of a benzophenone (2), deposited on the first layer (3), wherein the second layer (2) is solid and soluble in a solvent, and the first layer (3) is insoluble in the solvent.

Abstract: A device for the microstructured grafting of proteins onto a substrate, comprising a substrate (7), a layer comprising a polyethylene glycol and being placed on the substrate, a matrix (10) of micromirrors for propagating the light in a first pattern and for replacing the first pattern with a second pattern. The microfluidic circuit is filled so as to bring a first aqueous solution containing a first protein into contact with the layer, a first microstructured image of the first pattern being formed on the layer to photoprint the first protein on the layer, and the microfluidic circuit is adapted to replace the first aqueous solution with a second aqueous solution containing a second protein so as to bring the second aqueous solution and the layer into contact, the first pattern being replaced with the second pattern in order to photoprint the second protein on the layer.

Abstract: Process for printing an adhesive pattern on a polymer brush extending at the surface of a support (1), forming a nanometric anti-fouling layer (2), the process comprising the following steps:—placing the layer (2) in contact with a first aqueous solution (4) containing a benzophenone,—then illuminating the layer with radiation (3) at a wavelength within the absorption spectrum of benzophenone, according to the pattern and according to a surface energy.