Pakhomov
Andrei Pakhomov, Norfolk, VA US
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20080228244 | MODULATION OF NEUROMUSCULAR FUNCTIONS WITH ULTRASHORT ELECTRICAL PULSES - A system for producing maximal, but reversible bioeffects, for neuromuscular disruption. Methods for facilitation of neuromuscular functions in diseases and conditions of decreased excitability are provided. | 09-18-2008 |
20140222126 | TREATMENT OF BIOLOGICAL TISSUES USING SUBNANOSECOND ELECTRIC PULSES - A system for treatment of biological tissues is provided. The system includes a lens having a hollow, substantially hemispherical shape with an outer surface and an inner surface, the inner surface defining a substantially hemispherical cavity for inserting the biological tissues. The system further includes an antenna assembly for generating and directing electromagnetic radiation towards the outer surface. In the system, the lens is configured to direct the electromagnetic energy to an area in the cavity, a dielectric constant of the lens at the inner surface substantially matches a dielectric constant of the biological tissues, the dielectric constant monotonically increases from the outer surface to the inner surface, and the electromagnetic energy is generated via a series of pulses having a transient of less than about 1 nanosecond. | 08-07-2014 |
Andrei G. Pakhomov, Norfolk, VA US
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20130260435 | ELECTROPORATION-INDUCED ELECTROSENSITIZATION - Methods of enhancing membrane permeabilization in a cell are provided. A method includes disposing the cell between a first electrode and a second electrode and applying a plurality of electrical pulses between the first electrode and the second electrode. In the method, the plurality of electrical pulses include at least two trains of pulses separated by an interval greater than about 10 s. Further, the amplitude of the electrical pulses is selected to be greater than about 0.2 kV/cm. | 10-03-2013 |
Dmitriy Viacheslavovich Pakhomov, Kraskovo RU
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20110111655 | Two Fin Swimming Apparatus - The swimming apparatus pertains to swimming with special equipment for swimmers and divers and can be used for increasing speed, comfortable maneuvering, and making swimming more economical. The swimming apparatus comprises a tail fin, a hand-held fin and a dual snorkel. | 05-12-2011 |
Gennady Arkadyevich Pakhomov, Moscow RU
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20090312635 | Automated strontium-rubidium infusion system - This invention relates to medical engineering, in particular, to means of automation of the process of generating a diagnostic solution from a radionuclide strontium-rubidium generator and performing of remote controlled infusion, with automatic control over the key characteristics of the process. The automated strontium-rubidium infusion system comprises a container with eluent, a strontium-rubidium generator with a filter and a pressure sensor at the input, an eluate infusion unit, which are connected by means of a transporting system provided with pipes and two three-way valves, radioactivity measuring means and a control and operating unit. Here, an eluent container is connected to a syringe pump via the first and second ports of the first three-way valve, the first port of the second three-way valve is connected with pipes via the second filter to the eluate infusion unit, and the second port is connected to a waste receptacle. The system additionally comprises the third and fourth three-way valves, the first and second air bubbles detectors are connected to the control and operating unit connected with a computer, where the third three-way valve is connected with its first and second ports via pipes to the third port of the first three-way valve and the input of the strontium-rubidium generator, respectively. The generator output is connected to the first port of the fourth three-way valve, where the third port of the third valve and the second port of the fourth valve are connected with a pipe, the first air bubbles detector is placed on the pipeline between the eluent container and the first port of the first valve, and the second air bubbles detector is placed on the pipeline between the third ports of the fourth and second valves. | 12-17-2009 |
Nikolai Ivanovich Pakhomov, Moscow RU
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20100207553 | METHOD FOR ACCELERATING ELECTRONS IN A LINEAR ACCELERATOR AND AN ACCELERATING STRUCTURE FOR CARRYING OUT SAID METHOD - The invention relates to a method for accelerating low-injection energy electrons in a continuous standing wave linear accelerator ( | 08-19-2010 |
20100289436 | LOW-INJECTION ENERGY CONTINOUS LINEAR ELECTRON ACCELERATOR - This invention relates to continuous standing-wave linear electron accelerator ( | 11-18-2010 |
Nikolay Ivanovich Pakhomov, Moscow RU
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20110092759 | MOBILE SYSTEM FOR ELECTRON BEAM INTRAOPERATIVE RADIATION THERAPY - A mobile system for electron beam intraoperative radiation therapy uses a race-track microtron placed in a housing playing the role of the vacuum chamber, which is supported by a positioner providing its motion with six degrees of freedom with respect to a patient. The positioner is a part of a mobile mechanical structure which houses an ion pump, a microwave source, waveguide elements, a modulator with a pulse transformer and a cooler. The intraoperative radiation therapy system has a tube-like unit which couples the vacuum chamber with the mobile supporting mechanical structure and provides three functions, namely pumping out of the air from the vacuum chamber, feeding of the race-track microtron accelerating structure with radiofrequency power and rotation of the vacuum chamber with respect to the horizontal axis of the unit. | 04-21-2011 |
20120138794 | DEVICE FOR DETECTION AND IDENTIFICATION OF CARBON- AND NITROGEN- CONTAINING MATERIALS - A device for detection and identification of carbon- and nitrogen-containing materials is described. In particular, the device performs the detection and identification of carbon- and nitrogen-containing materials by photo-nuclear detection. The device may comprise a race-track microtron, a breaking target, and a water-filled Cherenkov radiation counter. | 06-07-2012 |
Nikoliy Ivanovich Pakhomov, Moscow RU
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20100195791 | Multi-Energy Cargo Inspection System Based on an Electron Accelerator - A multi-energy cargo inspection system features a compact electron accelerator is used that is more compact, more efficient and less expensive than a single linear accelerator with the same energy. The system has enhanced capabilities to recognize the elemental content of a container which can be used to detect concealed explosive and fissionable materials. | 08-05-2010 |
Serguei V. Pakhomov, Rochester, MN US
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20100057811 | CONTEXT-SENSITIVE TERM EXPANSION WITH MULTIPLE LEVELS OF EXPANSION - Articles of manufacture and systems for searching collections of data using context sensitive expanded term searching are provided. The collection of data may be a relational database, text document, or any other type of searchable collection of data. In either case, a query including a search condition based on a specified search term may be modified to include additional conditions based on a set of expanded (e.g., conceptually-related) search terms. For some embodiments, a user may be given the ability to control the level of expansion and the context in which the terms may be expanded. | 03-04-2010 |
Serguei V.s. Pakhomov, Minneapolis, MN US
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20100174533 | AUTOMATIC MEASUREMENT OF SPEECH FLUENCY - Techniques are described for automatically measuring fluency of a patient's speech based on prosodic characteristics thereof. The prosodic characteristics may include statistics regarding silent pauses, filled pauses, repetitions, or fundamental frequency of the patient's speech. The statistics may include a count, average number of occurrences, duration, average duration, frequency of occurrence, standard deviation, or other statistics. In one embodiment, a method includes receiving an audio sample that includes speech of a patient, analyzing the audio sample to identify prosodic characteristics of the speech of the patient, and automatically measuring fluency of the speech of the patient based on the prosodic characteristics. These techniques may present several advantages, such as objectively measuring fluency of a patient's speech without requiring a manual transcription or other manual intervention in the analysis process. | 07-08-2010 |
20130304472 | AUTOMATIC MEASUREMENT OF SPEECH FLUENCY - Techniques are described for automatically measuring fluency of a patient's speech based on prosodic characteristics thereof. The prosodic characteristics may include statistics regarding silent pauses, filled pauses, repetitions, or fundamental frequency of the patient's speech. The statistics may include a count, average number of occurrences, duration, average duration, frequency of occurrence, standard deviation, or other statistics. In one embodiment, a method includes receiving an audio sample that includes speech of a patient, analyzing the audio sample to identify prosodic characteristics of the speech of the patient, and automatically measuring fluency of the speech of the patient based on the prosodic characteristics. These techniques may present several advantages, such as objectively measuring fluency of a patient's speech without requiring a manual transcription or other manual intervention in the analysis process. | 11-14-2013 |
20150058013 | AUTOMATED VERBAL FLUENCY ASSESSMENT - Techniques are described for calculating one or more verbal fluency scores for a person. An example method includes classifying, by a computing device, samples of audio data of speech of a person, based on amplitudes of the samples, into a first class of samples including speech or sound and a second class of samples including silence. The method further includes analyzing the first class of samples to determine a number of words spoken by the person, and calculating a verbal fluency score for the person based at least in part on the determined number of words spoken by the person. | 02-26-2015 |
Serhii Pakhomov, Baton Rouge, LA US
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20090215105 | Tetraazaporphyrin-Based Compounds and Their Uses - Asymmetrically substituted metal-phthalocyanine compounds are disclosed. These compounds and other phthalo-cyanine-derivatives are used in bioimaging, bioanalysis, FRET and quenching techniques, photodynamic therapy, DNA analysis for cells, proteins, tissues and other biological entities, and other applications. Near-infrared fluorescence minimizes matrix effects typically seen in other methods of analyzing biochemical entities in cells, proteins, tissues and other biological entities. | 08-27-2009 |