Abstract: The invention relates to biocompatible, bioabsorbable derivatized non-crosslinked chitosan compositions optionally crosslinked to gelatin/collagen by 1-ethyl-3-[3-dimethylaminopropyl]carbodiimide hydrochloride (EDC) for biomedical use and methods of making and testing such compositions, including a modified acute systemic toxicity test. The compositions comprise derivatized chitosan reacetylated to a degree of N-deacetylation (DDA) of between about 15% and 40%. The compositions are typically bioabsorbed in about 90 days or less and can be made to bioabsorb at differing rates of speed. The compositions are initially soluble in aqueous solution below pH 6.5. The compositions have an acid content that can be adjusted between about 0% (w/w) and about 8% (w/w) to customize the composition for uses that require and/or tolerate differing levels of cytotoxicity, adhesion, composition cohesion, and cell infiltration into the composition.

Abstract: A method of diagnosing Parkinson's disease uses the abnormal concentrations of a group of 21 blood serum protein biomarkers. The concentration of the 21 protein biomarkers is assessed in a patient's serum by quantitative two-dimensional polyacrylamide gel electrophoresis.

Abstract: This invention provides methods and biomarkers for diagnosing autism by identifying cellular metabolites differentially produced in autistic patient samples versus non-autistic controls. Methods for identifying a unique profile of metabolites present of secreted in brain tissue, cerebrospinal fluid, plasma, or biofluids of autistic samples are described herein. The individual metabolites or a pattern of secreted metabolites provide metabolic signatures of autism, which can be used to provide a diagnosis thereof.

Abstract: The disclosure relates to methods of detecting a neural injury biomarker in a biological sample. The method includes subjecting a biological sample to an assay disclosed that produces a measurable signal and detecting the measurable signal. The presence or absence of the measurable signal indicates the presence or absence of the neural injury biomarker in the sample, and thereby diagnosing a subject as having a neural injury. The disclosure further relates to methods of determining the state of a subject's neural injury. Further disclosed are systems and devices useful in carrying out the methods disclosed.

Abstract: Provided herein are compositions, kits, methods and devices for cyanide detection, particularly for cyanide detection in biological samples such as whole blood. The method comprises (1) contacting a sample with a cobinamide conjugate comprising a cobinamide moiety and a carrier; and (2) measuring the absorbance of light by the cobinamide conjugate. The present disclosure provides field-deployable cyanide detection methods, compositions, kits and devices, which provide rapid, accurate readout at the point of contact. Further provided herein is a method for determining exposure of a subject to cyanide.

Abstract: The present invention relates to a method for determining the amount of a physiologically acceptable polymer molecule bound to a protein, an antibody or other composition being capable of specifically binding to a physiologically acceptable polymer molecule, and a kit containing said antibody or composition.

Abstract: Described herein are novel fluorescent sensors for Diacyl Glycerol (DAG) and hosphatidylinositol 4,5-bisphosphate (PIP2) that are based on circularly permuted fluorescent proteins. These sensors use less visible spectrum than FRET-based sensors, produce robust changes in fluorescence, and can be combined with one another, or with other sensors, in a multiplex assay on standard fluorescent plate readers or live cell imaging systems.

Abstract: Devices and methods for using changes in the defects in micrometer sized dispersed liquid crystal domains to detect or quantify analytes in a test sample, including endotoxin lipopolysaccharide (LPS), are disclosed. The dispersed liquid crystal microdomains are exposed to the test sample, and any changes in the number of defects in the liquid crystal microdomains are detected by detecting changes in the anchoring configuration of the microdomains. Such changes in anchoring configuration indicate the presence of analyte in the test sample.

Abstract: A tunneling accelerometer that can be implemented as a MEMS micro sensor provides differential sensing that minimizes large forces resulting from undesired environmental effects. Used as a seismic sensor, for example, the accelerometer exhibits maximum sensitivity for small seismic waves and suppresses very large seismic activities occurring at shallower depths. In one embodiment, detected current decreases from its maximum for stronger forces and is maximized for small vibrations. In another embodiment, separation of columns of top and bottom tunneling tip pairs, one column from the next, increases gradually so that the tunneling accelerometer suppresses sensitivity to large accelerations such as large seismic activity. A manufacturing process for the accelerometer provides reduced complexity for better yield.

Abstract: The invention relates to a capacitive micromechanical sensor structure comprising a stator structure rigidly anchored to a substrate and a rotor structure movably anchored by means of spring structures to the substrate. The stator structure has a plurality of stator finger support beams and the rotor structure has a plurality of rotor finger support beams. Stator fingers along the stator finger support beam of the stator structure extend into rotor gaps along the rotor finger support beam of the rotor structure, and rotor fingers along the rotor finger support beam of the rotor structure extend into stator gaps along the stator finger support beam of the stator structure.

Abstract: An acceleration sensor can ensure rigidity of its movable electrode despite a large number of through-holes formed in the movable electrode. The acceleration sensor has an SOI substrate in which a silicon oxide layer is formed on a silicon support layer and an active silicon layer is formed on the silicon oxide layer, wherein the active silicon layer of the SOI substrate has a movable electrode supported by elastic beams and configured with a weight, and also has fixed electrodes disposed in a fixed manner around the movable electrode to face the movable electrode, and wherein through-holes penetrating in a Z-axis direction are formed over the entire surface on the inner side of an outer circumference to which the elastic beams of the movable electrode are connected.

Abstract: Systems and methods for determining, for a vehicle using an adjustable position accelerometer, at least one direction tuned direction vector indicating a direction for the vehicle, the direction tuned direction vector made up of an X(a) axis component, a Y(a) axis component, and a Z(a) axis component, the adjustable position accelerometer providing acceleration values, the values made up of an X(a) axis component, a Y(a) axis component, and a Z(a) axis component, where the accelerometer is arbitrarily mounted, and optionally movable, in the vehicle such that each of the X(a) axis component, a Y(a) axis component, and a Z(a) axis component may be partially in X,Y, and Z directions of the vehicle.

Abstract: A method of fabricating a test probe includes a first conductive providing operation in which a first conductive member formed of a conductive metal material is provided, the first conductive member including a probe portion that has a probe shape and is formed in an upper portion of the first conductive member by a micro-electromechanical systems (MEMS) process, a second conductive member providing operation in which a second conductive member formed of a conductive metal material is provided, the second conductive member having an insertion portion formed in an upper portion of the second conductive member for inserting the first conductive member to be coupled to the insertion portion, an insertion operation in which the first conductive member is inserted into the insertion portion of the second conductive member, and a fixing and coupling operation in which the first conducive member is fixedly coupled to the second conductive member by deforming a part of the second conductive member.

Abstract: A device for current measurement comprises a substrate with a first current conductor and a current sensor with a second current conductor. The current sensor is mounted above the first current conductor on the substrate. The second current conductor is formed with integrally attached first and second terminal leads through which the current to be measured is supplied and discharged. The current sensor further comprises a semiconductor chip with a magnetic field sensor mounted on the second current conductor on the side of the second current conductor facing the substrate. The magnetic field sensor is sensitive to a component of the magnetic field extending parallel to the surface of the semiconductor chip and perpendicular to the second current conductor. The second current conductor extends above and parallel to the first current conductor.

Abstract: An apparatus for automatic power metering within a device is provided. The apparatus includes a metering element and communication elements. The metering element is coupled to a power factor correction circuit at one or more nodes within the device, and is configured to measure and process values on the nodes to generate one or more metering metrics for the device. The metering data includes input power consumed by the device, output power transferred to a load of the device, and power factor corresponding to the device. The communication elements are configured to receive the one or more metering metrics, and are configured to transmit the one or more metering metrics over a communications channel.

Abstract: The magnetic field in the vicinity of a conductor can be sensed by wire loops to measure the current in the nearby conductor. A sensor in a printed circuit board can detect and measure currents flowing through the PCB itself, yielding a thin, inexpensive, scalable solution for energy monitoring.

Abstract: In one embodiment, the present invention includes a processor having multiple cores to independently execute instructions, a first sensor to measure a first power consumption level of the processor based at least in part on events occurring on the cores, and a hybrid logic to combine the first power consumption level and a second power consumption level. Other embodiments are described and claimed.

Abstract: An electronic device comprises one or more functional units, each functional unit being clocked by a respective clock signal. The electronic device further comprises a monitoring unit for providing a real-time estimate of an electrical current consumed by the functional units. The monitoring unit provides the real-time estimate on the basis of characteristic signals. The characteristic signals may comprise one or more of said clock signals, or one or more clock generating signals used to generate said clock signals. The electronic device may further comprise a power regulator responsive to the real-time estimate. A method of estimating in real-time an electrical current consumed by one or more functional units is also described.

Abstract: Detecting electromagnetic waves derived from bacterial DNA, by extracting and purifying nucleic acids from a sample; diluting the extracted purified nucleic acids in an aqueous solvent; measuring a low frequency electromagnetic emission over time from the diluted extracted purified nucleic acids in an aqueous solvent; performing a signal analysis of the low frequency electromagnetic emission over time; and producing an output, based on the signal analysis, in dependence on the DNA in the sample. The DNA may be extracted from at least one of blood, feces, urine, saliva, tears, seminal fluid, sweat, seminal and vaginal fluids of a patient, or water to determine, e.g., potability. The samples may be frozen. The extracting and purifying may include diluting the sample with an aqueous buffer and mixing; degrading proteins in the diluted sample; precipitating DNA from the buffer solution; and resuspending the precipitated DNA in an aqueous solution.

Abstract: The disclosure relates to a method for recognizing touch. A first value T1 and a second value T2 are set. A number of first sensing values C1 are obtained. C1 is compared with T1 and T2. When C1 is greater than or equal to T1, a touch with finger is recognized. When C1 is smaller than T2, no touch is recognized. When C1 are greater than or equal to T2 and smaller than T1, following steps are taken. A third value T3 is set. At least three driving electrodes are driven and a number of second sensing values C2 are obtained. A number of maximum sensing values C2peak are selected from the C2 and compared with T3. When C2peak are greater than or equal to T3, a touch with glove is recognized. And when not, no touch is recognized.

Abstract: Embodiments of a capacitive sensor array may comprise a plurality of large sensor electrodes and, for each of the large sensor electrodes, a first plurality of small sensor electrodes each capacitively coupled with the large sensor electrode, and each conductively coupled by one of a first set of routing traces to one of a first set of conductors located in a first edge region, and a second plurality of small sensor electrodes capacitively coupled with the large sensor electrode and conductively coupled by a second set of routing traces to a second set of conductors in a second edge region. The first set of routing traces is located in a first routing channel and the second set of routing traces is located in a second routing channel, where the first and second routing channels are located along different sides of the large sensor electrode.

Abstract: An apparatus includes a signal generation module that injects a signal in a pilot conductor with one or more AC components. The pilot conductor is connected to a grounding conductor of power cables connecting a power source to a load. A frequency change module periodically changes a frequency of each of the AC components, a current monitor module monitors current in the pilot conductor or ground return, an AC detection module determines an AC current for each AC component, and an AC threshold module determines if one or more of the AC currents determined by the AC detection module is below an AC threshold. A trip module opens a contact in response to determining that at least one of the AC currents is below an AC threshold for longer than an AC current time threshold. The contact disconnects the power source from the set of power cables.

Abstract: A method of detecting faults in a solar power system includes monitoring at least one operating parameter including outputs from a solar module, inputs and outputs to a microinverter, and inputs and outputs of a power optimizer, comparing the operating parameter to at least one of an expected value or another operating parameter, using results of the comparing to determine if there is a fault event, analyzing a location of an entity in the system that generated the operating parameter to localize the fault event, and performing remedial action on a location of the fault event.

Abstract: An apparatus for a monolithic integrated circuit die is disclosed. In this apparatus, the monolithic integrated circuit die has a plurality of modular die regions. The modular die regions respectively have a plurality of power distribution networks for independently powering each of the modular die regions. Each adjacent pair of the modular die regions is stitched together with a respective plurality of metal lines.

Abstract: A test system measures parameters of a device under test (DUT), including a transistor. The test system includes a first voltage source unit for supplying a gate voltage; a second voltage source unit for supplying one of a drain voltage or a source voltage, the second voltage source having a current measurement device for detecting one of a drain current or a source current flowing through the transistor, respectively; a feedback unit for outputting a feedback current, based on the one of the drain or source currents; and an error amplifier for outputting a feedback control signal, based on comparison of the feedback current and a target current value. The first voltage source unit adjusts the gate voltage based on the feedback control signal so that the one of the drain or source currents converges to match the target current value.

Abstract: Discussed are an organic light emitting diode display which can minimize a malfunction due to an open failure caused in a fabricating process of the organic light emitting diode display using thin film transistors as control elements, and fabricating and inspecting method of the organic light emitting diode display. Accordingly, at least one contact part is further formed by forming an upper metal layer of a dual gate structure with respect to an area in which an open failure easily occurs due to a step difference on a substrate of the organic light emitting diode display, so that a signal can be normally applied even when the open failure occurs.

Abstract: A method of evaluating a capacitive interface including discharging the capacitive interface to a lower voltage, timing while applying a unit charge to the capacitive interface until a voltage of the capacitive interface rises to a reference voltage and determining a corresponding charge time value, charging the capacitive interface to an upper voltage that is greater than the reference voltage, and timing while removing the unit charge from the capacitive interface until a voltage of the capacitive interface falls to the reference voltage and determining a corresponding discharge time value. The charge and discharge time values may be used to evaluate the capacitive interface by determining capacitance and leakage current. The time values may be determined using a counter. A capacitive interface evaluation system for evaluating the capacitive interface may include a charge circuit, a comparator, a counter and a controller.

Abstract: A system and corresponding method captures speculative and concurrent trace-data and trace-clock information from core processing units of a System on a Chip (SOC). An interface receives trace data from at least one core processing unit, and a storage array stores the trace data in two different modes of operation. In the first mode, which occurs prior to a predetermined operating state of the SOC, the storage array operates in a circular buffer mode in which the newest trace data overwrites the oldest trace data when the storage array becomes full In the second mode, which occurs after the predetermined operating state of the SOC, the storage array operates in a FIFO mode in which the newest trace data is written into the storage array and the oldest trace data contained in the storage array is output to a debug processing core unit of the SOC.

Abstract: A method and apparatus are provided to test an integrated circuit by identifying first and second components of an integrated circuit. The first and second components may share a relationship that causes the first and second components to generate a matching binary output in response to an input to the integrated circuit. A tap point may be selected within the integrated circuit. The tap point may be located at a point in the integrated circuit where an insertion of a bypass structure would affect the relationship. The bypass structure may be inserted at the tap point, and the bypass structure may be used to conduct a test of the integrated circuit.

Abstract: Embodiments relate to the emulation of circuits, and detecting an event in a plurality of signals in an emulated circuit. A host system incorporates global event detection logic into a design under test (DUT). An emulator emulates the DUT along with the incorporated global event detection logic. The global event detection logic divides one clock cycle of the DUT into multiple time periods. During each time period of the clock cycle, the emulator selects a different subset of signals from the plurality of signals of the DUT. The emulator determines whether an event occurred for a signal from the subset during the clock cycle. If an event is detected, the emulator generates an output indicating an event was detected among the plurality of signals.

Abstract: A testbench for testing a device under test (DUT), wherein the testbench has a verification environment including a reference model, a scoreboard and a customized agent for each interface that the DUT needs to receive input from and/or transmit output on. The testbench system is able to be generated by a testbench builder that automatically creates a scoreboard, a reference model, a dispatcher and generic agents including generic drivers, loopback ports, sequencers and/or generic monitors for each interface and then automatically customize the generic agents based on their corresponding interface such that the agents meet the requirements of the interface for the DUT.

Abstract: In a first embodiment a Test Access Port (TAP) of IEEE standard 1149.1 is allowed to commandeer control from a Wrapper Serial Port (WSP) of IEEE standard P1500 such that the P1500 architecture, normally controlled by the WSP, is rendered controllable by the TAP. In a second embodiment (1) the TAP and WSP based architectures are merged together such that the sharing of the previously described architectural elements are possible, and (2) the TAP and WSP test interfaces are merged into a single optimized test interface that is operable to perform all operations of each separate test interface. One approach provides for the TAP to maintain access and control of the TAP instruction register, but provides for a selected data register to be accessed and controlled by either the TAP+ATC (Auxiliary Test Control bus) or by the discrete CaptureDR, UpdateDR, TransferDR, ShiftDR, and ClockDR WSP data register control signals.

Abstract: Test control point insertion and x-bounding for Logic Built-In Self-Test (LBIST) using observation circuitry. In some embodiments, LBIST circuitry may include a plurality of test control circuits coupled to a scan chain of a Circuit Under Test (CUT), and a plurality of observation circuits coupled to the test control circuits, each of the plurality of observation circuits including one or more latch devices configured to drive a respective one of the plurality of test control circuits. In other embodiments, a method of testing an integrated circuit may include issuing an instruction that a plurality of observation circuits and a plurality of input/output (I/O) control circuits within the integrated circuit enter a test mode, and providing, one or more test patterns to a selected one or more of a plurality of scan chains within the integrated circuit and to each of the plurality of observation circuits.

Abstract: An apparatus and method for the measurement of a resistance of a switching contact of an electrical circuit breaker. A first resistance value across the circuit breaker is determined while the circuit breaker is grounded at both sides and the switching contact is closed. Further, a second resistance value across the circuit breaker is determined while the circuit breaker is grounded at both sides and the switching contact is open. The resistance of the closed switching contact is then determined based on the first resistance value and the second resistance value.

Abstract: Methods, apparatus and systems are provided for determining a characteristic of an energy source. One exemplary method involves obtaining a measured current associated with the energy source using a current sensor and obtaining a measured voltage associated with the energy source. In response to identifying an absence of an anomalous condition of the current sensor based on the measured current, the method determines a current-compensated value for the characteristic based at least in part on the measured voltage and the measured current. In response to identifying the anomalous condition of the current sensor based on the measured current, the method determines an uncompensated value for the characteristic based at least in part on the measured voltage.

Abstract: A performance deterioration detecting apparatus detects an initial state of sudden deterioration in performance of an energy storage device as a performance deterioration start state, and includes: a first acquiring unit configured to acquire a first maximum variation amount as a maximum value of a capacity variation amount that is a degree of variation in current carrying capacity relative to variation in voltage of the charged or discharged energy storage device, regarding a capacity-voltage property at a first time point, indicating relation between the capacity variation amount and the voltage; a second acquiring unit configured to acquire a second maximum variation amount as a maximum value of the capacity variation amount regarding the capacity-voltage property at a second time point after the first time point; and a performance deterioration determiner configured to determine that the energy storage device is in the performance deterioration start state at the second time point if a variation amount ra

Abstract: A leakage current detection device coupled to AC power supply wires carrying an AC signal, which includes: a leakage current detection circuit including a leakage current detector, the leakage current detection circuit operating during first half-cycles among positive and negative half-cycles of the AC signal to detect a leakage current of the power supply wires and to disconnect the power supply wires from an output side when a leakage current exceeding a first threshold value is detected; and a self-detecting circuit coupled to the leakage current detection circuit, operating during second half-cycles among the positive and negative half-cycles of the AC signal to test whether the leakage current detection circuit is functioning normally.

Abstract: Output signals from two or more vertical Hall elements arranged in a circle are combined is ways that reduce an offset voltage as the two or more vertical Hall elements are sequenced to generated a sequential output signal.

Abstract: A linear magnetic sensor shield system comprises first and second shield parts. The system may include first and second field sensor assemblies, each having field sensors disposed therein. The first shield part may be disposed adjacent to a first side and a third side of the first field sensor assembly, and the second shield part may be disposed adjacent to a second side of the second field sensor assembly. The shield parts may be formed of mu metal, by of example, or they may have a curved shape or a thickness in the range of about 0.015 inch to about 0.030 inch. A torque transmitting device is also provided.

Abstract: An integrated system of sensors that can be used to detect a direction of an externally applied magnetic field is disclosed. In one embodiment, the system can be incorporated into a compact package that can be used within an electronic device. A processor can use signals provided by the sensor system to provide an indication of the direction of the externally applied magnetic field. In one embodiment, the sensors can take the form of analog sensors such as Hall Effect sensors configured in such a way that the direction of the externally applied magnetic field can be deduced based in part upon detection signals provided by the Hall Effect sensors. In one embodiment, the Hall Effect sensors can be stacked one atop the other in such a way that relative signal strength of the detection signals from the sensors can indicate the direction of the externally applied magnetic field.

Abstract: A prestored database indicating a correspondence of ? (depth)/?HcJ (coercivity increment) and a prestored database indicating information of Dy diffusion condition (diffusion coefficient, diffusion flux and processing time regarding Dy diffusion) are used to compute distribution of Dy introduction amount in a magnet from shape information of the magnet and information of a Dy introduction face and compute distribution of ?HcJ in the magnet from the distribution of Dy introduction amount. Regarding a magnet having a coercivity that is distributed non-uniformly, a J/H curve is computed using the computed distribution of ?HcJ, and a demagnetizing factor at a predetermined temperature is computed using a temperature coefficient.

Abstract: There is disclosed an NMR (nuclear magnetic resonance) spinner having a turbine structure and a rotor whose spinning rate can be increased. A vortical channel (44) is formed around the rotor (12). The vortical channel (44) consists of a chamber (66) and a nozzle array (68) mounted inside the chamber (66). The chamber (66) has a cross-sectional area that decreases in an upstream to downstream direction. The cross-sectional area of each nozzle also decreases in an upstream to downstream direction. Gas is introduced into the chamber (66), creating a rotating flow (76, 78, 80) in the chamber (66). Plural inwardly swirling streams are created from the inside of the rotating flow. The inwardly swirling streams are ejected from the exits of the nozzles. This results in jet streams, which are blown against the impeller of the rotor, spinning the rotor at high speed.

Abstract: A method for monitoring an exposure experienced by a patient during an examination with a magnetic resonance device having a transmitter device is provided. The method includes determining a coil power loss from measured amplitudes and phases of a first measuring device, and determining an overall transmitted power from voltage measurement values of the second measuring device. The method also includes determining a specific absorption rate (SAR) value describing a power entering a patient from the coil power loss and the overall transmitted power and comparing the SAR value with at least one limit value. A transmission operation of the transmitter device is terminated if the at least one limit value is exceeded.

Abstract: A local coil for magnetic resonance applications includes a rigid housing that radially surrounds a substantially cylindrical examination volume. Arranged in the rigid housing is a transmitting coil, by which an excitation signal may be applied to the examination volume. An object to be examined arranged in the examination volume may be excited by the excitation signal for emitting a magnetic resonance signal. The local coil includes a size-variable structure, in which an antenna assembly for receiving the magnetic resonance signal emitted by the object to be examined is arranged. The size-variable structure is arranged in the examination volume and is connected to the rigid housing. The size-variable structure is soft and flexible.

Abstract: A device for identifying a position of a local coil of a magnetic resonance imaging scanner relative to a position of a patient couch includes at least one label configured to transmit a signal with at least one identity number wirelessly, and at least one reading unit with a reading-unit antenna. The at least one reading unit is configured to receive the signal. The device also includes a position determination apparatus configured to determine the position of the local coil relative to the patient couch.

Abstract: A magnetic resonance (MR) system (10) minimizes noise for modes of an array of coils (281, 282, . . . , 28n). The system (10) includes an array of coils (281, 282, . . . , 28n) which share impedance. A plurality of preamplifiers (301, 302, . . . , 30n) receive a plurality of signals from the array of coils (281, 282, . . . , 28n), and a plurality of matching circuits (321, 322, . . . , 32n) impedance match the array of coils (281, 282, . . . , 28n) to the plurality of preamplifiers (301, 302, . . . , 30n). A plurality of receivers (361, 362, . . . , 36n) oversample the plurality of preamplified signals at a plurality of different match values. Thereafter, a plurality of separate images may be reconstructed from the oversampled data, each image corresponding to a particular match value. Finally, the image with the highest SNR may be selected.

Abstract: According to some aspects, a method of suppressing noise in an environment of a magnetic resonance imaging system is provided. The method comprising estimating a transfer function based on multiple calibration measurements obtained from the environment by at least one primary coil and at least one auxiliary sensor, respectively, estimating noise present in a magnetic resonance signal received by the at least one primary coil based at least in part on the transfer function, and suppressing noise in the magnetic resonance signal using the noise estimate.

Abstract: A magnetic resonance imaging (MRI) system and method (a) acquires k-space data for a patient ROI over a predetermined band of RF frequencies using RF excitation pulses having respectively corresponding RF frequencies incrementally offset from a nuclear magnetic resonant (NMR) Larmor frequency for free nuclei thus causing chemical exchange saturation transfer (CEST) effects and to process such acquired data into Z-spectra data for voxels in the ROI; (b) analyzes the acquired Z-spectra data to provide spectral peak width data corresponding to T2/T2* tissue values in the ROI for macromolecules participating in magnetization transfer contrast (MTC) effects producing said Z-spectra data; and (c) stores and/or displays data representative of T2/T2* tissue values of the ROI which values are different for different tissues.

Abstract: In a method for a rapid determination of spatially resolved magnetic resonance relaxation parameters in an area of examination, a preparation pulse is radiated into the area of examination. During the relaxation of the longitudinal magnetization, spatially encoded magnetic resonance signals are acquired at a minimum of two different points in time using a fast magnetic resonance sequence. At each inversion time, an image data record is reconstructed from the magnetic resonance signals, which are elastically registered to each other. From the recorded image data records, values of magnetic resonance relaxation parameters are spatially accurately determined.

Abstract: The invention relates to a method of MR imaging of at least a portion of a body (110) of a patient placed in an examination volume of a MR device, the method comprising the steps of:—subjecting the portion of the body (110) to an imaging sequence comprising at least one RF pulse, the RF pulse being transmitted toward the portion of the body (110) via a RF coil arrangement (109) to which RF signals are supplied by two or more RF power amplifiers the RF power amplifiers being activated alternately during the imaging sequence in a time-multiplexed fashion, wherein the imaging sequence requires a RF duty cycle and/or a RF pulse duration exceeding the specification of at least one of the RF power amplifiers;—acquiring MR signals from the portion of the body (110); and—reconstructing a MR image from the acquired MR signals. Moreover, the invention relates to a method of MR spectroscopy involving the alternating use of RF power amplifiers in a time-multiplexed fashion.