Abstract: A capsule suitable for oxygen and temperature sensing contains: i) at least one first sensitizer compound being capable of energy transfer to triplet oxygen, ii) at least one compound being capable of reacting with and inactivating singlet oxygen, iii) at least one second sensitizer compound being capable of absorbing radiation at a second frequency v2 and of emitting light at a fourth frequency v4, iv) at least one emitter compound, wherein the at least one second sensitizer compound is capable of transferring energy to the at least one emitter compound and wherein the at least one emitter compound, after obtaining energy transferred from the at least one second sensitizer compound, is capable of emitting light at a third frequency v3, wherein the following equation is fulfilled: v3>v2, wherein the upper energy limit of the first triplet energy band of the first sensitizer compound is lower than the lower energy limit of the second triplet energy band of the second sensitizer compound and lower than the

Abstract: A long-term stable photoactive composition, namely a phosphorescent composition or a TTA-photon upconversion composition, contains: a) at least one compound, which has a triplet state capable of energy transfer via an emissive process or a non-emissive process, wherein the at least one compound having a triplet state is i) at least one phosphorescent compound and/or ii) at least one sensitizer compound being capable of absorbing radiation at a first frequency v1 and at least one emissive compound, wherein the at least one sensitizer compound is capable of transferring energy to the at least one emissive compound and wherein the at least one emissive compound, after obtaining energy transferred from the at least one sensitizer compound, is capable of emitting light at a second frequency v2, wherein the following equation is fulfilled: v2>v1, wherein the at least one sensitizer compound is capable of a triplet-triplet energy transfer to the at least one emissive compound and wherein the at least one emissi

Abstract: A capsule suitable for oxygen and temperature sensing contains: i) at least one first sensitizer compound being capable of energy transfer to triplet oxygen, ii) at least one compound being capable of reacting with and inactivating singlet oxygen, iii) at least one second sensitizer compound being capable of absorbing radiation at a second frequency v2 and of emitting light at a fourth frequency v4, iv) at least one emitter compound, wherein the at least one second sensitizer compound is capable of transferring energy to the at least one emitter compound and wherein the at least one emitter compound, after obtaining energy transferred from the at least one second sensitizer compound, is capable of emitting light at a third frequency v3, wherein the following equation is fulfilled: v3>v2, wherein the upper energy limit of the first triplet energy band of the first sensitizer compound is lower than the lower energy limit of the second triplet energy band of the second sensitizer compound and lower than the

Abstract: A long-term stable photoactive composition, namely a phosphorescent composition or a TTA-photon upconversion composition, contains: a) at least one compound, which has a triplet state capable of energy transfer via an emissive process or a non-emissive process, wherein the at least one compound having a triplet state is i) at least one phosphorescent compound and/or ii) at least one sensitizer compound being capable of absorbing radiation at a first frequency v1 and at least one emissive compound, wherein the at least one sensitizer compound is capable of transferring energy to the at least one emissive compound and wherein the at least one emissive compound, after obtaining energy transferred from the at least one sensitizer compound, is capable of emitting light at a second frequency v2, wherein the following equation is fulfilled: v2>v1, wherein the at least one sensitizer compound is capable of a triplet-triplet energy transfer to the at least one emissive compound and wherein the at least one emissi

Abstract: The present invention relates to organic polymeric photon up-conversion nanoparticles for biological applications, such as labeling and/or detection of cells, biological (macro-) molecules or other analytes, as well as for sensing temperature, pressure, oxygen and other substances that influence the up-conversion process. It further relates to organic photon up-conversion nanoparticles for singlet oxygen generation and the treatment of diseases, such as cancer.

Abstract: The present invention relates to organic polymeric photon up-conversion nanoparticles for biological applications, such as labeling and/or detection of cells, biological (macro-) molecules or other analytes, as well as for sensing temperature, pressure, oxygen and other substances that influence the up-conversion process. It further relates to organic photon up-conversion nanoparticles for singlet oxygen generation and the treatment of diseases, such as cancer.

Abstract: The present invention relates to a medium for photon energy up-conversion, a photon-energy up-conversion device comprising said medium and to uses of said medium. The present invention also relates to a method of photon energy up-conversion using said medium or said device.

Abstract: The present invention relates to a composition for photon energy up-conversion, a system comprising said composition and to uses of said composition and said system.

Abstract: A Zeeman-slower device, a coil for such a Zeeman-slower device, and a method for cooling an atom beam. The Zeeman-slower includes a cooling section including an inner passage extending along a longitudinal axis, the inner passage having a cross-section perpendicular to the longitudinal axis, wherein the area of the cross-section of the inner passage increases monotonously along the longitudinal axis at least in a part of the cooling section.

Abstract: The present invention relates to a display system based on photon energy up-conversion.

Abstract: The present invention relates to a device for modifying, e.g. narrowing the wavelength range of a spectrum of light.

Abstract: The present invention relates to a medium for photon energy up-conversion, a photon-energy up-conversion device comprising said medium and to uses of said medium. The present invention also relates to a method of photon energy up-conversion using said medium or said device.

Abstract: The present invention relates to organic polymeric photon up-conversion nanoparticles for biological applications, such as labeling and/or detection of cells, biological (macro-) molecules or other analytes, as well as for sensing temperature, pressure, oxygen and other substances that influence the up-conversion process. It further relates to organic photon up-conversion nanoparticles for singlet oxygen generation and the treatment of diseases, such as cancer.

Abstract: The present invention relates to a composition for photon energy up-conversion, a system comprising said composition and to uses of said composition and said system.

Abstract: A Zeeman-slower device, a coil for such a Zeeman-slower device, and a method for cooling an atom beam. The Zeeman-slower includes a cooling section including an inner passage extending along a longitudinal axis, the inner passage having a cross-section perpendicular to the longitudinal axis, wherein the area of the cross-section of the inner passage increases monotonously along the longitudinal axis at least in a part of the cooling section.

Abstract: The present invention relates to a device for modifying, e.g. narrowing the wavelength range of a spectrum of light.

Abstract: The present invention relates to a composition for photon energy up-conversion, a system comprising said composition and to uses of said composition and said system.

Abstract: The present invention relates to a display system based on photon energy up-conversion.

Abstract: The present invention is related to a method of determining the temperature in a system, said system comprising a molecular heater fraction and a molecular thermometer fraction, and to an integrated system for temperature determination and temporally and spatially resolved thermal profile detection, and to uses of such system.

Abstract: The present invention is related to a method of determining the temperature in a system, said system comprising a molecular heater fraction and a molecular thermometer fraction, and to an integrated system for temperature determination and temporally and spatially resolved thermal profile detection, and to uses of such system.