Abstract: A method for calibrating a mass spectrometry (MS) system includes: receiving at least one input through a corresponding to a calibrator in a sample, wherein the sample includes an analyte, and wherein the sample is analyzed by the MS system; automatically determining a plurality of transitions in the sample corresponding to the calibrator according to natural abundances of isotopes; automatically determining concentrations of the plurality of transitions according to a concentration of the calibrator in the sample; identifying a plurality of transitions as calibrator transitions and for identifying a different one of the plurality of transitions as an internal standard; detecting a concentration of each of the plurality of transitions and the calibrator in the sample; automatically calibrating the MS system based in part on the detected concentrations of the plurality of calibrator transitions and the internal standard; and detecting the concentration of the analyte in response to execution of the calibration

Abstract: In one aspect, a calibration mass standard for use in mass spectrometry is disclosed, which includes a plurality of natural isotopologues of a compound, where the natural isotopologues are present in the mass standard at relative concentrations corresponding to their natural atomic abundances.

Abstract: The presently claimed and described technology provides a sample processing system comprising at least one sample introduction device, wherein the at least one sample introduction device is configured to receive a sample; a mass analyzer coupled to the sample introduction device; a control system configured to at least control the at least one sample introduction device and/or the mass analyzer, wherein the mass analyzer is configured to perform a first mass analysis on the sample, wherein the first mass analysis is mass screening for an analyte of interest in the sample, and wherein if the analyte of interest is detected in the sample, the mass analyzer is configured to perform a second mass analysis, wherein the second mass analysis is a quantitative analysis, comprising: ionizing the sample; monitoring, by mass spectrometry, at least one product ion transition for the at least one analyte and at least one isotopic ion transition for the at least one analyte; determining intensity and/or abundance of the at

Abstract: A method for calibrating a mass spectrometry (MS) system includes: receiving at least one input through a corresponding to a calibrator in a sample, wherein the sample includes an analyte, and wherein the sample is analyzed by the MS system; automatically determining a plurality of transitions in the sample corresponding to the calibrator according to natural abundances of isotopes; automatically determining concentrations of the plurality of transitions according to a concentration of the calibrator in the sample; identifying a plurality of transitions as calibrator transitions and for identifying a different one of the plurality of transitions as an internal standard; detecting a concentration of each of the plurality of transitions and the calibrator in the sample; automatically calibrating the MS system based in part on the detected concentrations of the plurality of calibrator transitions and the internal standard; and detecting the concentration of the analyte in response to execution of the calibration

Abstract: A derivatizing reagent, set of derivatizing reagents, and derivatizing techniques are provided herein for the relative quantitation, absolute quantitation, or both, of analytes containing carboxyl and/or phenolic functional groups including those analytes that may be difficult to analyze via mass spectrometry using traditional techniques of ionization. By way of non-limiting examples, such analytes can include fatty acids, carnitines, eicosanoids, and estrogens. Methods for producing the derivatizing reagent are also disclosed.

Abstract: A retractable load carrier system for a vehicle comprising a rail assembly comprising a first rail and a second rail, wherein each rail is configured to be mounted to a vehicle roof. The system can further include a rack assembly comprising a first support member and a second support member generally parallel to each other, wherein the first support member and second support member can be coupled together with at least one cross members, wherein the rack assembly has a first end and a second end, wherein both the first and second end can include a handle portion. A locking means can be coupled to the handle portion of the rack assembly, wherein the locking means comprises a plurality of engagement members configured to latch to engage the grooved portion of the rail assembly or the pins are configured to engage the pinion portion of the rail assembly.

Abstract: A retractable load carrier system for a vehicle comprising a rail assembly comprising a first rail and a second rail, wherein each rail is configured to be mounted to a vehicle roof. The system can further include a rack assembly comprising a first support member and a second support member generally parallel to each other, wherein the first support member and second support member can be coupled together with at least one cross members, wherein the rack assembly has a first end and a second end, wherein both the first and second end can include a handle portion. A locking means can be coupled to the handle portion of the rack assembly, wherein the locking means comprises a plurality of engagement members configured to latch to engage the grooved portion of the rail assembly or the pins are configured to engage the pinion portion of the rail assembly.

Abstract: A retractable load carrier system for a vehicle comprising a rail assembly comprising a first rail and a second rail, wherein each rail is configured to be mounted to a vehicle roof. The system can further include a rack assembly comprising a first support member and a second support member generally parallel to each other, wherein the first support member and second support member can be coupled together with at least one cross members, wherein the rack assembly has a first end and a second end, wherein both the first and second end can include a handle portion. A locking means can be coupled to the handle portion of the rack assembly, wherein the locking means comprises a plurality of engagement members configured to latch to engage the grooved portion of the rail assembly or the pins are configured to engage the pinion portion of the rail assembly.

Abstract: An accessory for a patio heater includes a bracket to secure to a pole of the patio heater; two arms attached to and extending away from the bracket in an upward direction; and two concave shields attached to the arms to bend around a heating element of the patio heater; the concave shields reflect heat in a desired direction.

Abstract: A method of treating functional dyspepsia and/or irritable bowel syndrome in mammals in need of treatment is disclosed herein. The method comprises administering to the mammal a formulation by inhalation, wherein the formulation avoids first pass metabolism of the active ingredient. The method comprises administering a formulation by pulmonary inhalation comprising a diketopiperazine and a glucagon-like peptide (GLP-1), analog, ROSE-010.

Abstract: A method of treating functional dyspepsia and/or irritable bowel syndrome in mammals in need of treatment is disclosed herein. The method comprises administering to the mammal a formulation by inhalation, wherein the formulation avoids first pass metabolism of the active ingredient. The method comprises administering a formulation by pulmonary inhalation comprising a diketopiperazine and a glucagon-like peptide (GLP-1), analog, ROSE-010.

Abstract: The present teachings provide methods for analyzing one or more amine-containing compounds in one or more samples using isobaric labels and parent-daughter ion transition monitoring (PDITM). In various embodiments, the methods comprise the steps of: (a) labeling one or more amine-containing compounds with different isobaric tags from a set of isobaric tags, each isobaric tag comprising a reporter ion portion; (b) combining at least a portion of each of the isobarically labeled amine-containing compounds to produce a combined sample; (c) subjecting at least a portion of the combined sample to PDITM; (d) measuring the ion signal of one or more of the transmitted reporter ions; and (e) determining the concentration of one or more of the isobarically labeled amine-containing compounds based at least on a comparison of the measured ion signal of the corresponding reporter ion to one or more measured ion signals of a standard compound.

Abstract: A method of treating functional dyspepsia and/or irritable bowel syndrome in mammals in need of treatment is disclosed herein. The method comprises administering to the mammal a formulation by inhalation, wherein the formulation avoids first pass metabolism of the active ingredient. The method comprises administering a formulation by pulmonary inhalation comprising a diketopiperazine and a glucagon-like peptide (GLP-1), analog, ROSE-010.

Abstract: A plurality of mass differential tagging reagents is used to label amine functionality in amine-containing compounds. The labeled analytes have distinct retention times on a reversed phase column, and distinct masses. Under high energy collision, reporter groups can be generated and the intensity or the peak area detected for each reporter group can be used for quantitation. One exemplary set of reagents includes a set of three different mass differential reagents comprising tagging weights of 140 atomic mass units, 144 atomic mass units, and 148 atomic mass units, respectively, with reporter groups of 113, 117, and 121 atomic mass units, respectively. A package including each of the mass differential reagents is also provided and can include separate respective containers, for example, one for each of the different reagents. The package can also include one or more standards each comprising a respective known concentration of a respective known amine-containing compound.

Abstract: The present teachings provide methods for analyzing one or more amine-containing compounds in one or more samples using isobaric labels and parent-daughter ion transition monitoring (PDITM). In various embodiments, the methods comprise the steps of: (a) labeling one or more amine-containing compounds with different isobaric tags from a set of isobaric tags, each isobaric tag comprising a reporter ion portion; (b) combining at least a portion of each of the isobarically labeled amine-containing compounds to produce a combined sample; (c) subjecting at least a portion of the combined sample to PDITM; (d) measuring the ion signal of one or more of the transmitted reporter ions; and (e) determining the concentration of one or more of the isobarically labeled amine-containing compounds based at least on a comparison of the measured ion signal of the corresponding reporter ion to one or more measured ion signals of a standard compound.

Abstract: The present teachings provide methods for analyzing one or more amine-containing compounds in one or more samples using isobaric labels and parent-daughter ion transition monitoring (PDITM). In various embodiments, the methods comprise the steps of: (a) labeling one or more amine-containing compounds with different isobaric tags from a set of isobaric tags, each isobaric tag comprising a reporter ion portion; (b) combining at least a portion of each of the isobarically labeled amine-containing compounds to produce a combined sample; (c) subjecting at least a portion of the combined sample to PDITM; (d) measuring the ion signal of one or more of the transmitted reporter ions; and (e) determining the concentration of one or more of the isobarically labeled amine-containing compounds based at least on a comparison of the measured ion signal of the corresponding reporter ion to one or more measured ion signals of a standard compound.