met

Heat dissipation system, rotation speed control circuit and method thereof

A rotation speed control circuit is disclosed. The rotation speed control circuit includes a temperature-controlled voltage duty generator, a pulse-width signal duty generator, a multiplier and a rotation speed signal generator. The temperature-controlled voltage duty generator converts temperature-controlled voltage to digital temperature-controlled voltage and executes linear interpolation operation according to a first setting data so as to output temperature-controlled voltage duty signal. The pulse-width signal duty generator coverts pulse-width input signal to a digital pulse-width input signal and executes linear interpolation operation according to a second setting data so as to output a pulse-width duty signal. The temperature-controlled voltage duty signal and the pulse-width duty signal are executed for multiplication by the multiplier so as to output mixing-duty signal. The rotation speed generator receives the mixing-duty signal and a third setting data, and executes a minimum output duty operation so as to output a pulse-width output signal.




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Controller and method for improving motor driving efficiency

The present invention discloses a controller and a method for improving motor driving efficiency. According to the present invention, multiple control parameters are inputted to the controller so that the controller can adjust timings of PWM driving signals for driving the motor to advance or delay the turned-ON or turned-OFF points, whereby the motor is driven efficiently.




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Rechargeable electric tool and method for manufacturing rechargeable electric tool

The electric tool is powered by a secondary battery as a power source, and includes: an output section configured to be transmitted thereto a rotation of a motor directly or through a decelerator; a voltage measurement section that measures a battery voltage; a storage means that stores, as a reference voltage, a voltage value of the battery voltage measured preliminarily when a motor-lock is occurring; and a control means that controls a driving of the motor. The control means is configured to decide that the motor is being locked and then stop or decelerate the motor upon detecting that the battery voltage measured through the voltage measurement section is maintained lower than or equal to the reference voltage stored in the storage means for a predetermined period of time during the driving of the motor.




met

Method and system for controlling motor

A method for controlling a motor is provided. The method comprises obtaining electrical signals of the motor with a signal unit, the electrical signals comprising a motor torque and an angular velocity, calculating a voltage phase angle of a voltage vector with a calculating component, wherein a command torque, the motor torque, the angular velocity and a voltage amplitude of the voltage vector are inputs of the calculating component, and wherein the voltage phase angle is a variable and the voltage amplitude is a constant. The method further comprises modulating the voltage phase angle and the voltage amplitude to a switching signal for controlling an inverter; converting a direct current voltage to the voltage vector according to the switching signal, and applying the voltage vector to the motor.




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Motor driven power steering and method for driving the same

A motor driven power steering (MDPS) may include: a vehicle speed sensor configured to sense vehicle speed; a temperature sensor configured to sense a temperature of a power pack; a current sensor configured to sense an amount of current applied to the MDPS; a storage unit configured to store a thermal resistance value based on the vehicle speed with respect to the temperature of the power pack; and a control unit configured to calculate an estimated temperature by reflecting the thermal resistance value based on the vehicle speed with respect to the temperature of the power pack and the current amount applied to the MDPS into a temperature estimation function, and drive a motor according to the calculated estimated temperature.




met

Apparatus and method for compensating offset of current sensor

Provided is an apparatus for compensating offset of a current sensor detecting a motor current supplied by an inverter for PWM (Pulse Width Modulation) control of a motor, the apparatus including a current controller providing a PWM signal generated based on the motor current detected by the current sensor to the inverter, calculating an offset using the motor current detected by the current sensor in response to presence and absence of the PWM control of the motor, or offset-compensating the motor current detected by the current sensor.




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Method and apparatus for measuring speed of a brush motor

A system for determining motor speed of a brush DC motor in an apparatus, including a first filter for receiving a substantially DC component of the motor current and parameters corresponding to the brush DC motor, for calculating a speed estimate thereof; an adaptive bandpass filter having a center frequency corresponding to the speed estimate of the first filter, for receiving the motor current and substantially isolating a periodic current fluctuation thereof; a block for determining a frequency of the periodic current fluctuation, the current fluctuation corresponding to motor speed of the brush DC motor. The adaptive bandpass filter uses debounce filtering to reduce rapid filter passband switching, and a run-in period prior to passband switching to obviate transient effects of filter switching.




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Method for driving an electric motor

A circuit configuration for driving an electric motor includes a signal evaluation module, which stores a number of output patterns. An input pattern is specified, and as a function of the input pattern, one of the output patterns is output, by which the electric motor is driven.




met

Method and system for locally controlling support of a flat object

A non-contact support platform system is provided for supporting a substantially flat object. The system includes a platform with a first plurality of pressure ports and a first plurality of vacuum ports for inducing a fluid cushion to support the object at a distance from the platform. The system further includes a second plurality of pressure ports located at a predetermined zone of the platform for increasing the distance of the object from the platform at the predetermined zone.




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Substrate processing system and substrate transferring method

A substrate processing system and substrate transferring method capable of transferring a substrate bi-directionally through the use of substrate transferring device provided between two rows of processing chambers arranged linearly, thereby improving the substrate-transferring efficiency, the substrate processing system includes a transfer chamber having at least one bi-directional substrate transferring device for bi-directionally transferring a substrate; and a plurality of processing chambers for applying a semiconductor-manufacturing process to the substrate, wherein the plurality of processing chambers are linearly arranged along two rows confronting each other, and the transfer chamber is interposed between the two rows of the processing chambers, wherein the bi-directional substrate transferring device have a moving unit inside the transfer chamber, and horizontally moved by a linear motor; and a bi-directional substrate transferring unit in the moving unit, the bi-directional substrate transferring unit transferring the substrate to the processing chamber through a bi-directional sliding movement.




met

Wheel loader and method for controlling wheel loader

A traction force control section of a wheel loader, when the determination conditions are satisfied during traction force control, increases the maximum traction force. The determination conditions include that the wheel loader is performing an excavation operation, that the vehicle speed is less than or equal to a prescribed speed threshold value, that the amount of operation of the accelerator operating member is equal to or more than a prescribed accelerator threshold value, and that the amount of operation of the inching operating member is less than or equal to a prescribed inching operation threshold value.




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Substrate processing apparatus and method of manufacturing semiconductor device

Reduction in cooling rate of a substrate having a lower temperature is suppressed because the substrate having a lower temperature is not affected by radiant heat of a substrate having a higher temperature while cooling a plurality of substrates in a cooling chamber. The substrate processing apparatus includes a load lock chamber configured to accommodate stacked substrates; a first transfer mechanism having a first transfer arm provided with a first end effector, and configured to transfer the substrates into/from the load lock chamber at a first side of the load lock chamber; a second transfer mechanism having a second transfer arm provided with a second end effector, and configured to transfer the substrates into/from the load lock chamber at a second side of the load lock chamber; a barrier installed between the substrates to be spaced apart from the substrates supported by a substrate support provided in the load lock chamber; and an auxiliary barrier unit installed between the substrate support and the barrier, wherein the auxiliary barrier unit is installed at places other than standby spaces of the end effectors.




met

Workpiece handling systems and related devices and methods

In some aspects, an unloading device for a pipe processing system includes a depositing carriage having a depositing surface for depositing a pipe during and/or after a pipe processing operation, the depositing carriage being configured to move in a longitudinal direction of the pipe, and a supporting carriage having a supporting member for the pipe, the supporting member having a wall for radially supporting the pipe, and the supporting carriage being configured to move in a longitudinal direction of the pipe, where the depositing surface of the depositing carriage and/or the supporting member of the supporting carriage is configured to move in at least one other direction in addition to the longitudinal direction of the pipe so that the depositing carriage and the supporting carriage can be at least partially moved past each other along the longitudinal direction of the pipe.




met

Auto-reach method for a remote vehicle

The present teachings provide a method of controlling a remote vehicle having an end effector and an image sensing device. The method includes obtaining an image of an object with the image sensing device, determining a ray from a focal point of the image to the object based on the obtained image, positioning the end effector of the remote vehicle to align with the determined ray, and moving the end effector along the determined ray to approach the object.




met

Automated assembly apparatus and method of assembling components by using automated assembly apparatus

While a second component is brought into contact with a first component, the first component and the second component are rotated with respect to each other around a specific rotation axis, and rotation of the first component and the second component is stopped when a moment created around the rotation axis exceeds a predetermined threshold.




met

Method for moving and aligning heavy device

Method for laterally replacing a heavy component of a plant assembly, the method including disconnecting the heavy component from other components of the plant assembly and from a base plate to which the heavy component is fixed; lifting the heavy component above the base plate with a lifting system provided within the base plate; connecting at least a pair of rails to the base plate, under the lifted heavy component, such that the at least a pair of rails extends at substantially a right angle relative to a longitudinal axis of the heavy component; lowering the heavy component on crawling mechanisms disposed on the at least a pair of rails; and laterally replacing the heavy component from the base plate and the other components of the plant assembly by actuating the crawling mechanisms.




met

OHT accessible high density stocker and method

A storage system for items such as substrate carriers includes at least one stocker including a plurality of storage areas each adapted to store at least one storage device. At least one movable support is arranged on the at least one stocker. A control controls movement of the at least one movable support at least between a first position wherein the at least one movable support receives the at least one storage device outside one of the storage areas and a second position wherein the at least one movable support is arranged substantially within the one of the storage areas.




met

Grain bin access door and discharge chute system and method

A grain bin access door and chute system that can be retrofitted into existing grain bins or installed in new grain bins. The access panel includes an outer door and an inner door and allows a user to quickly access and assess the grain within a bin without fear of falling into the grain or through the crust of grain which can form a bridge on the top of grain. The access door includes a lever-controlled chute door and pipe-chute connection. This allows grain to be gravity fed into awaiting grain trucks or rail cars without using a more dangerous grain auger and without relying on outside energy sources. Additionally, grain transferred through a gravity-fed method is less likely to become damaged than grain transferred through a grain auger. An optional grain agitator may likewise be installed within the grain bin.




met

Boom drive apparatus, multi-arm robot apparatus, electronic device processing systems, and methods for transporting substrates in electronic device manufacturing systems with web extending from hub

Boom drive apparatus for substrate transport systems and methods are described. The boom drive apparatus is adapted to drive one or more multi-arm robots rotationally mounted to the boom to efficiently put or pick substrates. The boom drive apparatus has a boom including a hub, a web, a first pilot above the web, and a second pilot below the web, a first driving member rotationally mounted to the first pilot, a second driving member rotationally mounted to the second pilot, a first driven member rotationally mounted to the boom above the a web, a second driven member rotationally mounted to the boom below the a web, and a first and second transmission members coupling the driving members to driven members located outboard on the boom. Numerous other aspects are provided.




met

Cardboard sheet batch division device, cardboard sheet counter ejector, and method for dividing cardboard sheet

The present invention is a cardboard sheet batch division device for dividing batches, disposed on the downstream side of a batch-forming device for separating loaded cardboard sheets and forming batches of a predetermined sheet count. The cardboard sheet batch division device for dividing batches comprises: a transfer conveyor for transferring batches formed by the batch-forming device in a predetermined transfer direction; and batch division means furnished with two separating members respectively contacting the leading edge portion and the trailing edge portion of a batch on the transfer conveyor, for dividing the batch into two sub-batches, upper and lower, by moving the two separating members relative to one another in a direction parallel to the predetermined transfer direction.




met

Crucible shuttle assembly and method of operation

A crucible handling shuttle includes a pair of opposed dual crucible-gripping arms mounted on a rotatable head and moves between an induction furnace pedestal and a crucible loading station, such that one pair of arms pick up a crucible loaded with a preweighed sample, the shuttle moves to the induction furnace, where the other pair of arms grip and remove a spent crucible. The shutter head then rotates to deposit the new sample-holding crucible onto the pedestal and subsequently moves out of the furnace area to a sample disposal chute positioned between the crucible loading station and the furnace, whereupon the spent crucible is dropped for disposal. The shuttle head is then rotated and moved to the loading station to pick up a new crucible.




met

Method for determining substrate transportation path, substrate transporting apparatus, substrate processing apparatus and computer-readable storage medium storing a program for performing the method

A substrate transportation path is determined by first determining a trajectory of a first straight line passing through a start point, calculating a trajectory of a circular arc in contact with the first straight line, calculating a trajectory of a second straight line in contact with the circular arc and passing through the end point, then, if the position of the end point is changed, re-calculating the second straight line as a straight line passing through the changed end point and in contact with the circular arc, and allowing the center of the substrate holding unit to move on the first straight line, and then, move on the circular arc from a first contact point, followed by moving on the second straight line from a second contact point so as to reach the end point.




met

Robot system and method of manufacturing workpiece

A robot system includes a crane unit, a crane moving mechanism, a robot, and a controller. The crane unit is to suspend a workpiece. The crane unit moves in a horizontal direction via the crane moving mechanism. The robot is to move the crane unit in the horizontal direction via the crane moving mechanism. The controller is configured to control the crane unit to move upwardly to suspend the workpiece after controlling the robot to bring the crane unit into an engaging state in which the crane unit engages with the workpiece located at a first position. The controller is configured to control the crane unit suspending the workpiece to move downwardly to place the workpiece at a second position after controlling the robot to move the crane unit toward the second position while the crane unit suspends the workpiece.




met

Manipulator and path generation method thereof

A manipulator and a method of generating the shortest path along which the manipulator moves to grip an object without collision with the object models a target object and a gripper into a spherical shape, measures a current position of the gripper and a position of the target object and a target position of the gripper, calculates an arc-shaped path in a two-dimensional plane along which the gripper needs to move by calculating an included angle of a triangle consisting of the position of the object and the current position and target position of the gripper, transforms the arc-shaped path in the two-dimensional plane into an arc-shaped path in a three-dimensional space using a transform matrix consisting of the position of the object and the current position and target position of the gripper, thereby automatically generating the shortest path of the manipulator.




met

Method and system for improved traffic signage

An improved traffic sign is discussed. The traffic sign includes road reflectors, which reflect available light towards a driver indicating road lane divisions. A sensor module coupled with a vehicle can convert the reflected light to a binary word. The sensor module can further convert the binary word into traffic information, wherein a vehicle-mounted display displays information selected from received traffic information based on priority, time of receipt, and relevance. The improved traffic sign can also include an RFID tag configured to transmit traffic information to a vehicle-mounted receiver.




met

Devices, systems and methods for reinforcing a traffic control assembly

Reinforcement devices and systems for holding a traffic control assembly in compression are provided. The traffic control assembly includes a traffic signal disconnect hanger and/or a traffic signal and a first span wire positioned above the traffic control assembly. In some embodiments, the reinforcement device includes an upper support device connected to the first span wire where the upper support device has a length that is greater than a width of the traffic control assembly and the upper support device is configured to spread the load of the traffic signal assembly to the first span wire. The reinforcement device includes a lower support device operably connected to the traffic signal, a first vertical support member, and a second vertical support member where the first and second vertical members are tensioned when the upper support device, the lower support device and the first and second vertical support members are connected together.




met

Method for locating a vehicle

A portable computing device can be used to locate a vehicle in a parking structure. In particular, the portable computing device can communicate with a parking system that manages the parking structure and/or with a vehicle in order to locate the vehicle. Communications between the portable computing device, parking system and vehicle can be based on one or more wireless connections, such as Bluetooth and/or Bluetooth LE connections.




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Method for making a parking arrangement equipped with an automatic vehicle detection system ready for operation, and parking arrangement for use of the method

Parking arrangement and method for making a parking arrangement equipped with an automatic vehicle detection system ready for operation, which parking arrangement comprises a central computer with a database and at least a number of parking places identifiable by a location code, which parking places are each provided with at least one wirelessly operating parking sensor module, which is connected with the central computer via a UHF radio link and which is provided with an identification code, which parking sensor module comprises at least one vehicle sensor which in operation provides measuring values representative of the presence or absence of a vehicle in the respective parking place, wherein use is made of parking sensor modules which have an RFID identification circuit in which the identification code is stored, which identification code is wirelessly readable.




met

Method and a monitoring device for monitoring a cabin region, and also an aircraft cabin

Disclosed is a method for the monitoring of a cabin region of a transport system located outside a field of view, wherein at least one light beam is emitted, passing through the cabin region in the longitudinal direction, and in the event of a disturbance of the at least one light beam path a message is generated. A monitoring device is also provided, with at least one emitter unit for purposes of emitting at least one light beam, with at least one receiver unit for purposes of receiving the emitted light beam, and with at least one messaging unit for purposes of generating a message in the event of a disturbance of the at least one light beam path; also disclosed is an aircraft cabin with at least one such monitoring system.




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System and method of displaying a runway temporarily displaced threshold and an aircraft landing aiming point

A system and method are described for receiving a NOTAM and storing information relating to the distance of a temporarily displaced threshold for a runway. When that runway is selected for approach and landing, the temporarily displaced threshold and new aiming point are automatically displayed. The change made to the display using NOTAM data can be indicated to the pilot by distinct symbology or particular color, or by using an icon or an annunciation.




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Method for controlling power usage of a reporting device

A system and method for controlling power usage of a reporting device associated with an asset is disclosed. According to one embodiment, a method determines whether the reporting device is in a sleep mode or an active mode and in response to determining the reporting device is in the sleep mode, the method maintains the sleep mode and in response to determining a state change associated with the reporting device, the method powers up the reporting device to the active mode.




met

Display device, display system, display control method for same, electronic device, program, computer-readable recording medium, and light guide element

An interface (303) between adjacent ones of light guide sections (310) is inclined with respect to an incident surface (301) and an emission surface (302) of the light guide element (300A) so that an incident surface (311) of at least a part of the light guide sections (310) overlaps a part of a display region (202) in a liquid crystal panel (200A) and an emission surface (312) of said at least a part of the light guide sections (310) overlaps at least a part of a frame region (203) above which an image on the display region (202) is to be displayed. Furthermore, a relation 5°




met

Image processing device and image processing method

An image processing device configured to be installed in a vehicle includes an image acquirer, an image selector, a first luminance adjuster, a synthetic image generator, and an image provider. The image acquirer acquires camera images captured by cameras provided on the vehicle. The image selector selects one of the camera images as a representative image based on luminances of the camera images. The first luminance adjuster adjusts a luminance of at least one of the other camera images based on a luminance of the representative image. The synthetic image generator generates a synthetic image showing a periphery of the vehicle, based on the representative image and the other camera images the luminance of at least one of which has been adjusted by the first adjuster. The image provider outputs, to a display device installed in the vehicle, information corresponding to the synthetic image.




met

Method and apparatus for initializing an RFID tag via an optical display

A method and apparatus for initializing a radio frequency identification tag are disclosed. For example, the method receives an optical signal having a unique identifier and an encryption key from a display by a radio frequency identification repeater associated with the radio frequency identification tag, wherein the radio frequency identification repeater comprises an optical reader. The method then transmits a communication comprising radio frequency identification information associated with the radio frequency identification tag and the unique identifier via the radio frequency identification repeater to a wireless access point, wherein the communication is encrypted using the encryption key.




met

Method and system to automatically establish NFC link between NFC enabled electronic devices based on proximate distance

Presented is a near field communication system and method to automatically establish an interconnection between two electronic devices. The system includes a first electronic device including an NFC chip communicatively coupled to a passive NFC tag, where the NFC tag having an integrated circuit with a predefined information content, a second device including an active NFC reader configured to read the predefined information content from the NFC tag based on an identification of a proximate distance therebetween, and where the NFC tag is capable of transmitting an activation signal to the NFC chip to enable transition of the NFC chip from a first state to a second state such as to establish a near field wireless communication link between the two devices to enable exchange of digital content therebetween.




met

Method, system, and apparatus having near field communication (NFC) chip with configurable memory that is updatable via a host processor

A wireless media player and a related system and methodology are disclosed. One aspect of the wireless media player system pertains to a virtual connector system, apparatus, and method for the automatic establishment of wireless connectivity with other electronic devices. In one embodiment, the media player device employs the use of integrated Radio Frequency Identification (RFID) technology to exchange communication settings, media capability, and other parameters with an external device that also has integrated RFID technology. The automatic exchange of settings and other information via a proximity-based RFID data exchange allows a media player to quickly establish a secure communication link with another device via a commonly supported wireless protocol such as Ultra Wideband (UWB) or Bluetooth. Another aspect of the media player system pertains to a method of using the captured media capability of the connecting device to customize certain menu options and software parameters in the media player.




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Method and system for locating a wireless access device in a wireless network

A wireless access device in a wireless network, whether a known or unknown entity, can be located using a geolocation system according to the present invention. A signal strength is determined by a wireless intrusion detection system (WIDS) node in a wireless network for each wireless access device that it detects. Based on the signal strength, an approximate distance from the node is determined, which, in one embodiment corresponds to a radius of a circle around the node. To account for error, an approximation band of the circle is calculated that will allow a user to determine the approximate location of the device within the wireless network.




met

Method of determining a turbulent condition in an aircraft

A method of determining a turbulent condition in an aircraft with a handheld device where the handheld device has at least one of a gyroscope, seismometer, and an accelerometer where the method includes receiving an output from the at least one of the gyroscope, seismometer, and accelerometer while the handheld device is located within the aircraft and providing an indication of a turbulent condition.




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Method and device for activating and deactivating a valet parking function

A method and device for activating and deactivating a valet parking function for a motor vehicle is provided. An activated valet parking function prevents access to one or more lockable areas in the motor vehicle. The method including the steps of checking whether a freely operable control element has been actuated. If the actuation of a control element has been detected, the valet parking function is activated to prevent exclusively the access to the lockable area in the motor vehicle, particularly to a trunk.




met

User programmable motor vehicle driving parameter control system

A user programmable motor vehicle driving parameter control system includes a motor vehicle including at least one active aerodynamic control element, and a user/vehicle interface member, and a controller including a memory having stored therein a user defined deployment schedule and a processor configured and disposed to selectively deploy the at least one aerodynamic control element based on the user defined deployment schedule.




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Method and apparatus for performing quick search of path display terminal

A method and apparatus for performing a quick search of a path display terminal are provided. The quick search device of a path display terminal comprises: a vehicle position display unit for displaying a position of a vehicle on a map generated based on map data; a quick search display unit for displaying a quick search area for inputting a search word in a portion of the map; a search unit for searching for a destination corresponding to the search word; and a path display unit for generating and displaying a path from the vehicle position to the destination.




met

Configurable light timer and method of receiving data to control the operation of a configurable light timer

A configurable light timer adapted to receive data to control the operation of the configurable light timer is disclosed. The configurable light timer comprises a control circuit; an input portion coupled to receive a portable memory device by way of a connector on the configurable light timer, wherein the portable memory device stores data to be used by the configurable light timer and is adapted to be removed after the data is downloaded; and a memory coupled to receive the data stored on the portable memory device; wherein control circuit accesses the data from the memory after the data is downloaded and the portable memory device is removed. A method of receiving data to control the operation of the configurable light timer is also disclosed.




met

Life management apparatus and life management method

A fatigue degree input unit inputs a fatigue degree of a user through use of a processing device, and writes an input value of the fatigue degree into a storage device. A recommended duration calculation unit reads the input value of the fatigue degree written by the fatigue degree input unit from the storage device. In accordance with the input value of the fatigue degree read from the storage device, the recommended duration calculation unit calculates a bath duration to be recommended to the user, as a recommended duration, through use of the processing device. A recommended duration informing unit informs the user of the recommended duration calculated by the recommended duration calculation unit, through an output device.




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RFID system and method for tracking environmental data

A method and system for tracking a body's bio-readings and environmental information in which such bio-readings are generated is disclosed. Conventional bio-reading sensor technology may be used in combination with technology for receiving information from electronic tags associated with items in a body's environment. Such technology may include RFID smart tags associated with items in an environment. Such smart tags store information describing the item associated with the smart tag. An RFID smart tag reader may be provided for retrieving item description information stored in such smart tags. The combination of bio-reading data and environmental data provide a power tool in evaluating behavioral and environmental variables that affect a body's bio-readings.




met

Method for operating an automated sample workcell

A method of operating the automated sample workcell for processing one or more biological samples is presented. The method comprises receiving one or more biological samples. Each biological sample is contained in a sample tube. Each sample tube is a tube type. If a test order was received for at least one of the biological samples, the test order being indicative of one or more first processing steps, the workcell can automatically execute the one or more first processing steps. If the test order was not received, one or more second processing steps can be determined based on the tube type of the sample tube that contains the at least one biological sample and the one or more second processing steps can then be executed.




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Method for determining the content of hydrogen sulfide in crude and residual oils

The subject of the invention is a method for determining the H2S content arising during the warm storage of sulfur-containing crude and residual oils and mineral distillates containing sulfur-containing crude and/or residual oils, in which a sample of the sulfur-containing mineral oil is dissolved in a solvent or solvent mixture that boils at more than 200° C. and a carrier gas is caused to flow through the solution of the sulfur-containing mineral oil at temperatures above 80° C., and the quantity of hydrogen sulfide carried out with the carrier gas is analyzed quantitatively.




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Apparatus and method for dating a body or body sample

A method and apparatus for dating a body sample, such as blood, includes taking at least one spectroscopic measurement of the sample at at least two predetermined positions in the spectrum having spectral characteristics corresponding to at least two predetermined substances present in the sample that have a time varying relationship with each other. A measured relative concentration of each of the predetermined substances is then determined from the measurement, and the measured relative concentrations of the two predetermined substances is compared with a known variation of the relative concentrations of the two predetermined substances over time. A good fit of the measured relative concentrations to the known variation of the relative concentrations is then determined, so as to provide an indication of the age of the sample. Alternatively, instead of measuring the relative concentrations of each of the predetermined substances, the rate of change of the relative concentrations is determined.




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Methods and systems for determining the presence or amount of testosterone in a sample

Disclosed are methods and systems for the analysis of testosterone in a sample using supported liquid extraction and liquid chromatography-mass spectrometry.




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Method for generation of automated denaturation graphs

A system and method for creating a plurality of denaturation curves is disclosed. In accordance with certain embodiments, one variable, such as salt content, pH or another parameter, is varied to create a plurality of different buffer solutions. Each is then used to create a denaturation graph. The plurality of denaturation graphs allows analysis of the effect of that variable on protein stability.




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Analytical methods for analyzing and determining impurities in dianhydrogalactitol

An improved analytical method for analysis of dianhydrogalactitol preparations provides a method for determining the purity of dianhydrogalactitol and detecting impurities in preparations of dianhydrogalactitol, as well as identifying any such impurities. The method employs high performance liquid chromatography (HPLC), in particular, HPLC with evaporative light scattering detection (ELSD); the HPLC can be followed by tandem mass spectroscopy. The method can further comprise the step of performing preparative HPLC collection of at least one specific substance peak present in a preparation of dianhydrogalactitol.