Abstract: Internally calibrated pH and other analyte sensors based on redox agents provide more accurate results when the redox active reference agent is in a constant chemical environment, yet separated from the solution being analyzed in such a way as to maintain electrical contact with the sample. Room temperature ionic liquids (RTIL) can be used to achieve these results when used as a salt bridge between the reference material and the sample being analyzed. The RTIL provides the constant chemical environment and ionic strength for the redox active material (RAM) and provides an electrolytic layer that limits or eliminates direct chemical interaction with the sample. A broad range of RAMs can be employed in a variety of configurations in such “Analyte Insensitive Electrode” devices.

Abstract: In a plasma source configured for producing sample atoms for analysis, such as by optical emission spectrometry or mass spectrometry, a plasma torch includes a torch exit in a chamber. A baffle is positioned between the torch exit and an opposing boundary. The baffle may be positioned and configured to suppress or eliminate vortex shedding in the chamber.

Abstract: Internally calibrated pH and other analyte sensors based on redox agents provide more accurate results when the redox active reference agent is in a constant chemical environment, yet separated from the solution being analyzed in such a way as to maintain electrical contact with the sample. Room temperature ionic liquids (RTIL) can be used to achieve these results when used as a salt bridge between the reference material and the sample being analyzed. The RTIL provides the constant chemical environment and ionic strength for the redox active material (RAM) and provides an electrolytic layer that limits or eliminates direct chemical interaction with the sample. A broad range of RAMs can be employed in a variety of configurations in such “Analyte Insensitive Electrode” devices.

Abstract: Devices for detecting an analyte comprising a redox active analyte sensitive material on a working electrode and computer assisted signal acquisition and processing.

Abstract: Internally calibrated pH and other analyte sensors based on redox agents provide more accurate results when the redox active reference agent is in a constant chemical environment, yet separated from the solution being analyzed in such a way as to maintain electrical contact with the sample. Room temperature ionic liquids (RTIL) can be used to achieve these results when used as a salt bridge between the reference material and the sample being analyzed. The RTIL provides the constant chemical environment and ionic strength for the redox active material (RAM) and provides an electrolytic layer that limits or eliminates direct chemical interaction with the sample. A broad range of RAMs can be employed in a variety of configurations in such “Analyte Insensitive Electrode” devices.

Abstract: The application provides a base stock or a lubricant composition comprising the substances derived from algae by chemical modification of algal oil, including compositions comprising estomers. Methods for obtaining the same are also provided, including chemically modifying the algal oil with a saturated fatty acid under conditions favorable to the formation of a poly-estomer.

Abstract: Devices for detecting an analyte comprising a redox active analyte sensitive material on a working electrode and computer assisted signal acquisition and processing.

Abstract: Internally calibrated pH and other analyte sensors based on redox agents provide more accurate results when the redox active reference agent is in a constant chemical environment, yet separated from the solution being analyzed in such a way as to maintain electrical contact with the sample. Room temperature ionic liquids (RTIL) can be used to achieve these results when used as a salt bridge between the reference material and the sample being analyzed. The RTIL provides the constant chemical environment and ionic strength for the redox active material (RAM) and provides an electrolytic layer that limits or eliminates direct chemical interaction with the sample. A broad range of RAMs can be employed in a variety of configurations in such “Analyte Insensitive Electrode” devices.

Abstract: The application provides a base stock or a lubricant composition comprising the substances derived from algae by chemical modification of algal oil, including compositions comprising estomers. Methods for obtaining the same are also provided, including chemically modifying the algal oil with a saturated fatty acid under conditions favorable to the formation of a poly-estomer.

Abstract: The present invention relates to magnetic resonance imaging (MRI) contrast agent. In particular, the present invention provides MRI contrast agents that are sensitive to the enzyme beta-glucoronidase. The MRI contrast agents provide compositions and methods for non-invasive diagnostic imaging of tissues, including necrotic tumors.