摘要:
The invention pertains to a cyclic peptide comprising the following sequence: -S1-X1-S2-X2- wherein S1 is a first target peptide sequence of a protease enzyme E1, S2 is a second target peptide sequence of a protease enzyme E2, S1 and S2 possibly being the same or different, said first peptide sequence S1 and said second peptide sequence S2 comprising 4 to 14 amino acids, E1 and E2 possibly corresponding to the same protease enzyme or to two different protease enzymes, X1 is a probe carrying a fluorescent donor group and X2 is a probe carrying a fluorescent or non-fluorescent acceptor group. Application of these peptides to determination of the activity of protease enzymes.
摘要:
The present invention relates to a process for chemically modifying, within its thickness, a polymer matrix chosen from matrices made of fluoropolymers and matrices made of aliphatic polymers, said process comprising at least one step consisting in irradiating said matrix with UV light having a wavelength of less than 300 nm in order to generate, within the thickness of said matrix, zones that have short polymer chains, formed by scission of the existing chains during the passage of the UV radiation and that have free radicals denoted hereinbelow as “activated zones”. The present invention also relates to the polymer matrix capable of being chemically modified by such a process.
摘要:
An atomic force microscope probe comprising a piezo-electric resonator provided with two electrodes and coated with an insulating layer and a tip attached on the coated resonator and functionalized with at least one group or molecule of interest is disclosed. The disclosed technology also relates to preparation method and to different uses thereof.
摘要:
An atomic force microscope probe comprising a piezo-electric resonator provided with two electrodes and coated with an insulating layer and a tip attached on the coated resonator and functionalized with at least one group or molecule of interest is disclosed. The disclosed technology also relates to preparation method and to different uses thereof.
摘要:
A method for coating a surface of a substrate in (co)polymer with a metal material is provided. The method may comprise the successive steps of (a) subjecting the surface to an oxidizing treatment by a chemical reaction of the Fenton type in the presence of at least one precursor of the metal material and (b) transforming the precursor into the metal material.
摘要:
The present invention relates to a process for preparing a metallized substrate, comprising the steps consisting in: grafting onto said substrate a compound of polymer type optionally bearing a group that is capable of chelating at least one metal ion; placing said compound of polymer type that is capable of chelating at least one metal ion in contact with at least one metal ion, and subjecting the compound of polymer type to conditions for reducing said chelated metal ion(s), and repeating the chelation/reduction steps until a metallized substrate is obtained. The present invention also relates to the substrate obtained during this process and to the uses thereof.
摘要:
The present invention concerns a method for the lubrication of the surface of a solid by grafting a polymer gel, and for impregnation with a lubricating composition, and a kit to prepare a solid comprising a surface lubricated with a polymer gel.
摘要:
The present invention relates to a process for chemically modifying, within its thickness, a polymer matrix chosen from matrices made of fluoropolymers and matrices made of aliphatic polymers, said process comprising at least one step consisting in irradiating said matrix with UV light having a wavelength of less than 300 nm in order to generate, within the thickness of said matrix, zones that have short polymer chains, formed by scission of the existing chains during the passage of the UV radiation and that have free radicals denoted hereinbelow as “activated zones”. The present invention also relates to the polymer matrix capable of being chemically modified by such a process.
摘要:
A proton exchange membrane for a fuel cell, comprising a graft (co)polymer comprising a main chain and grafts comprising at least one proton acceptor group and at least one proton donor group.
摘要:
A method of manufacturing a biosensor having a microbeam linked to a support, at least one electrode a biological molecule A grafted onto the microbeam in a different zone from the zone where the electrode is embedded, and a mechanoelectrical transducer for converting variations of the mechanical properties of the microbeam into an electrical signal, when the biological molecule A is placed in contact with a biological molecule B to be detected and/or quantified. The method includes: formation of an electrode on fluoropolymer material sheet, passivation of the electrode(s), creation of the form of the biosensor in the sheet of polymer material and separation of this form from the sheet, functionalization either of a prefunctionalized zone or of a zone of the microbeam, this zone being different from the zone wherein the electrode is embedded, and grafting of a biological molecule A onto the functionalized zone.