Abstract: A liquid chromatographic (LC) system is herein disclosed, the LC system comprising at least one fluidic stream comprising at least one HPLC column, a downstream valve connected to the at least one fluidic stream and connectable to a detector via a valve-to-detector conduit, wherein the at least one fluidic stream is connectable to the valve-to-detector conduit via the downstream valve, and where the LC system further comprises a downstream pump fluidically connected to the downstream valve and connectable to the at least one fluidic stream via the downstream valve in order to backflush and thereby clean the at least one HPLC column. A respective automated LC method is herein also disclosed.

Abstract: The present invention relates to reagents which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said reagents.

Abstract: The present invention relates to reagents which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said reagents.

Abstract: The present invention relates to reagents which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said reagents.

Abstract: A column device for an automatic analyser. The automatic analyzer comprises a high performance liquid chromatography (HPLC) module. The HPLC module comprises a fixation device configured to automatically fix and release a chromatographic column. The column device comprises a column jacket and a capillary. The capillary comprises predetermined dimensions and is disposed within the column jacket. The column device is configured to be installed at the HPLC module using the fixation device. Further, an automatic analyzer is disclosed.

Abstract: The present invention relates to a method for detecting and/or quantifying an analyte in a sample using mass spectrometry. The method of the invention comprises: extracting the analyte from the sample using solid phase extraction (SPE) so as to obtain an SPE extract comprising the analyte, concentrating the analyte, said concentrating comprising evaporating solvent from the SPE-extract; and detecting and/or quantifying the analyte in the sample using mass spectrometry.

Abstract: The present disclosure is directed at an antibody conjugate having an antibody and a tag, wherein one or more element(s) present in the antibody exhibit an isotope ratio which differs from the naturally occurring isotope ratio of the one or more element(s), wherein the amount of the isotope which is less-common in nature, is increased to at least 4% of the atoms of the respective element in the antibody, as well as uses thereof.

Abstract: A method for detecting an analyte involving a) contacting the analyte, a capture agent and a solid surface to form a capture complex attached to a solid surface, b) cleaving at least one covalent bond within the analyte and/or within said capture agent in the capture complex and, thereby, releasing the analyte or a fragment thereof from the capture complex, and c) detecting at least one fragment of the analyte and, thereby, detecting the analyte is disclosed herein. A kit having i) a capture agent binding to an analyte; and ii) an agent cleaving at least one covalent bond within the analyte and/or within the capture agent; and to the use of a protease for releasing fragments of an analyte for detecting the analyte, wherein the analyte is bound to a solid surface via a capture agent is also disclosed herein.

Abstract: The present disclosure is directed at an antibody conjugate having an antibody and a tag, wherein one or more element(s) present in the antibody exhibit an isotope ratio which differs from the naturally occurring isotope ratio of the one or more element(s), wherein the amount of the isotope which is less-common in nature, is increased to at least 4% of the atoms of the respective element in the antibody, as well as uses thereof.

Abstract: The present disclosure is directed at an antibody conjugate having an antibody and a tag, wherein one or more element(s) present in the antibody exhibit an isotope ratio which differs from the naturally occurring isotope ratio of the one or more element(s), wherein the amount of the isotope which is less-common in nature, is increased to at least 4% of the atoms of the respective element in the antibody, as well as uses thereof.

Abstract: A liquid chromatographic (LC) system is herein disclosed, the LC system comprising at least one fluidic stream comprising at least one HPLC column, a downstream valve connected to the at least one fluidic stream and connectable to a detector via a valve-to-detector conduit, wherein the at least one fluidic stream is connectable to the valve-to-detector conduit via the downstream valve, and where the LC system further comprises a downstream pump fluidically connected to the downstream valve and connectable to the at least one fluidic stream via the downstream valve in order to backflush and thereby clean the at least one HPLC column. A respective automated LC method is herein also disclosed.

Abstract: The present invention relates to reagents suitable in the mass spectrometric determination of analyte molecules such as carbohydrates as well as adducts of such reagents and analyte molecules and applications of said reagents and adducts. Further, the present invention relates to methods for the mass spectrometric determination of analyte molecules.

Abstract: The present invention refers to a method for determining peptide fragments of glycated hemoglobin A (HbA1c) molecules by mass spectrometry (MS), a reagent kit, and a clinical diagnostic system adapted for performing the method.

Abstract: The present invention refers to a method for determining intact glycated hemoglobin A (HbA1c) by mass spectrometry (MS), a kit and a diagnostic system adapted for performing the method.

Abstract: The present invention relates to reagents which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said reagents.

Abstract: The present invention relates to reagents which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said reagents.

Abstract: The present invention relates to reagents which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said reagents.

Abstract: The present disclosure is directed at an antibody conjugate having an antibody and a tag, wherein one or more element(s) present in the antibody exhibit an isotope ratio which differs from the naturally occurring isotope ratio of the one or more element(s), wherein the amount of the isotope which is less-common in nature, is increased to at least 4% of the atoms of the respective element in the antibody, as well as uses thereof.

Abstract: The present invention relates to reagents suitable in the mass spectrometric determination of analyte molecules such as carbohydrates as well as adducts of such reagents and analyte molecules and applications of said reagents and adducts. Further, the present invention relates to methods for the mass spectrometric determination of analyte molecules.

Abstract: The present disclosure relates to a method for detecting an analyte involving a) contacting the analyte, a capture agent and a solid surface to form a capture complex attached to a solid surface, b) cleaving at least one covalent bond within the analyte and/or within said capture agent in the capture complex and, thereby, releasing the analyte or a fragment thereof from the capture complex, and c) detecting at least one fragment of the analyte and, thereby, detecting the analyte. The present disclosure further relates to a kit having i) a capture agent binding to an analyte; and ii) an agent cleaving at least one covalent bond within the analyte and/or within the capture agent; and to the use of a protease for releasing fragments of an analyte for detecting the analyte, wherein the analyte is bound to a solid surface via a capture agent.