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Feng Zhang

Feng Zhang, Stanford, CA US

Patent application numberDescriptionPublished
20090088680OPTICAL TISSUE INTERFACE METHOD AND APPARATUS FOR STIMULATING CELLS - In one example, a system electrically stimulates target cells of a living animal using an elongated structure, a modulation circuit and a light pathway such as provided by an optical fiber arrangement. The elongated structure is for insertion into a narrow passageway in the animal such that an end of the elongated structure is sufficiently near the target cells to deliver stimulation thereto. The modulation circuit is for modulating the target cells while the elongated structure is in the narrow passageway, where the modulation circuit is adapted to deliver viral vectors through the elongated structure for expressing light responsive proteins in the target cells. The light pathway is used for stimulating the target cells by delivering light to the light-responsive proteins in the target cells.04-02-2009
20090093403SYSTEMS, METHODS AND COMPOSITIONS FOR OPTICAL STIMULATION OF TARGET CELLS - Stimulation of target cells using light, e.g., in vivo or in vitro, is implemented using a variety of methods and devices. One example involves a vector for delivering a light-activated NpHR-based molecule comprising a nucleic acid sequence that codes for light-activated NpHR-based molecule and a promoter. Either a high expression of the molecule manifests a toxicity level that is less than about 75%, or the light-activated NpHR-based proteins are expressed using at least two NpHR-based molecular variants. Each of the variants characterized in being useful for expressing a light-activated NpHR-based molecule that responds to light by producing an inhibitory current to dissuade depolarization of the neuron. Other aspects and embodiments are directed to systems, methods, kits, compositions of matter and molecules for ion pumps or for controlling inhibitory currents in a cell (e.g., in in vivo and in vitro environments).04-09-2009
20090099038CELL LINE, SYSTEM AND METHOD FOR OPTICAL-BASED SCREENING OF ION-CHANNEL MODULATORS - A variety of applications, systems, methods and constructs are implemented for use in connection with screening of ion-channel modulators. Consistent with one such system, drug candidates are screened to identify their effects on cell membrane ion channels and pumps. The system includes screening cells having light responsive membrane ion switches, voltage-gated ion switches and fluorescence producing voltage sensors. A chemical delivery device introduces the drug candidates to be screened. An optical delivery device activates the light responsive ion switches. An optical sensor monitors fluorescence produced by the voltage sensors. A processor processes data received from the optical sensor. A memory stores the data received from the optical sensor.04-16-2009
20100145418SYSTEM FOR OPTICAL STIMULATION OF TARGET CELLS - Various systems and methods are implemented for controlling stimulus of a cell. One such method is implemented for optical stimulation of a cell expressing an NpHR ion pump. The method includes the step of providing a sequence of stimuli to the cell. Each stimulus increases the probability of depolarization events occurring in the cell. Light is provided to the cell to activate the expressed NpHR ion pump, thereby decreasing the probability of depolarization events occurring in the cell.06-10-2010
20100190229SYSTEM FOR OPTICAL STIMULATION OF TARGET CELLS - Stimulation of target cells using light, e.g., in vivo, is implemented using a variety of methods and devices. In one example, embodiments involve methods for stimulating target cells using a photosensitive protein that allows the target cells to be stimulated in response to light. In another specific example embodiment, target cells are stimulated using an implantable arrangement. The arrangement includes an electrical light-generation means for generating light and a biological portion. The biological portion has a photosensitive bio-molecular arrangement that responds to the generated light by stimulating target cells in vivo. Other aspects and embodiments are directed to systems and methods for screening chemicals based screening chemicals to identify their effects on cell membrane ion channels and pumps, and to systems and methods for controlling an action potential of neuron (e.g., in vivo and in vitro environments).07-29-2010
20110105998SYSTEMS, METHODS AND COMPOSITIONS FOR OPTICAL STIMULATION OF TARGET CELLS - Methods, systems and devices are implemented in connection with light-responsive ion channel molecules. One such method is implemented using a light-activated ion channel molecule that responds to a light stimulus. The method includes engineering the light-activated ion channel molecule in a cell; and activating the ion channel molecule, in response to light stimulus that is provided to the ion channel molecule and that has properties that do not activate a ChR2 ion channel, to allow ions to pass through the light-activated ion channel molecule. 05-05-2011

Patent applications by Feng Zhang, Stanford, CA US

Feng Zhang, Shenzhen CN

Patent application numberDescriptionPublished
20110016190METHOD AND APPARATUS FOR REALIZING MESSAGE SERVICE - A method for realizing message service is provided, and the method includes: receiving, from a receiving terminal, a response message of the transmission failure of a message of the first type ; generating, according to the response message, a message of the second type to be retransmitted by means of the flash short message; and transmitting the message of the second type to the receiving terminal. Correspondingly, an apparatus for realizing the message service is also provided. The present disclosure may upgrade the success rate of the message transmission of the MSC, thereby improving the satisfactory degree of the customer as well as the service quality of the operator.01-20-2011

Patent applications by Feng Zhang, Shenzhen CN

Feng Zhang, Ningbo CN

Patent application numberDescriptionPublished
20110001069GAS VALVE CONTROL DEVICE - A gas valve control device, including at least: a timing controller, and a valve, including at least a rotating button, a contact plate, an electromagnetic valve, a pressing spring, a valve cover, a valve pole, a fixing pin, a plug bar, and a valve body having a cavity. Advantages of the gas valve control device include: integration of a timing controller and a control valve; timing control can be implemented mechanically or electrically; compact structure and good appearance; easy operation; safe and reliable; and accurate timing.01-06-2011

Feng Zhang, Shenzhen City CN

Patent application numberDescriptionPublished
20100307795CIRCUIT BOARD - A circuit board includes an insulation layer, a signal layer disposed on one side of the insulation layer, and a ground plane and a power plane disposed on the insulation layer at a side opposite to the signal layer. The insulation layer forms a separating area arranged between the ground plane and the power plane. At least two signal traces parallel to each other are arranged on the signal layer at one side corresponding to one of the ground plane and the power plane. A width of the signal trace close to the separating area is wider than that of the signal trace away from the separating area.12-09-2010
20110121502MANIPULATOR - A manipulator includes a driving member, a sliding rod and a sleeve. The sliding rod includes an expanding portion on an end thereof. The sleeve includes at least two expanding sections on an end thereof. The driving member drives the sleeve to slide along the sliding rod. The two or more expanding sections are elastically bent outward via pressing against the expanding portion, and are resumed to their original shape and positions via detaching from the expanding portion.05-26-2011

Feng Zhang, San Diego, CA US

Patent application numberDescriptionPublished
20080306053MODULATION OF CHEMOSENSORY RECEPTORS AND LIGANDS ASSOCIATED THEREWITH - The present invention provides screening methods for identifying modifiers of chemosensory receptors and their ligands, e.g., by determining whether a test entity is suitable to interact with one or more interacting sites within the Venus flytrap domains of the chemosensory receptors as well as modifiers capable of modulating chemosensory receptors and their ligands.12-11-2008
20080306076MODULATION OF CHEMOSENSORY RECEPTORS AND LIGANDS ASSOCIATED THEREWITH - The present invention provides screening methods for identifying modifiers of chemosensory receptors and their ligands, e.g., by determining whether a test entity is suitable to interact with one or more interacting sites within the Venus flytrap domains of the chemosensory receptors as well as modifiers capable of modulating chemosensory receptors and their ligands.12-11-2008
20080306093MODULATION OF CHEMOSENSORY RECEPTORS AND LIGANDS ASSOCIATED THEREWITH - The present invention provides screening methods for identifying modifiers of chemosensory receptors and their ligands, e.g., by determining whether a test entity is suitable to interact with one or more interacting sites within the Venus flytrap domains of the chemosensory receptors as well as modifiers capable of modulating chemosensory receptors and their ligands.12-11-2008
20100304402CHIMERIC HUMAN SWEET-UMAMI AND UMAMI-SWEET TASTE RECEPTORS - This invention relates to chimeric taste receptors comprising the extracellular portion of one T12-02-2010
20110223618ASSAYS USING CHIMERIC T1R POLYPEPTIDE - This invention relates to chimeric taste receptors comprising the extracellular portion of one T1R or a variant or fragment thereof, either T1R1 or T1R2, and the transmembrane portion of another T1R or a variant or fragment thereof, either T1R1 or T1R2, preferably associated with a T1R3 polypeptide and a suitable G protein. These chimeric taste receptors and cells which express such chimeric taste receptors are useful in assays for identifying sweet and umami ligands as well in assays for identifying sweet and umami enhancers. Additionally, these chimeric taste receptors and cells which express same can be used to map and determine where specific sweet and umami ligands interact with their respective receptors and to elucidate the mechanism of receptor activation.09-15-2011
20110224155MODULATION OF CHEMOSENSORY RECEPTORS AND LIGANDS ASSOCIATED THEREWITH - The present invention includes methods for identifying modifiers of chemosensory receptors and their ligands, e.g., by determining whether a test entity is suitable to interact with one or more interacting sites within the Venus flytrap domains of the chemosensory receptors, and modifiers capable of modulating chemosensory receptors and their ligands. The present invention also includes modifiers of chemosensory receptors and their ligands having Formula (I), its subgenus, and specific compounds. Furthermore, the present invention includes ingestible compositions comprising the modifiers of chemosensory receptors and their ligands and methods of using the modifiers of chemosensory receptors and their ligands to enhance the sweet taste of an ingestible composition or treat a condition associated with a chemosensory receptor. In addition, the present invention include processes for preparing the modifiers of chemosensory receptors and their ligands.09-15-2011
20110230502MODULATION OF CHEMOSENSORY RECEPTORS AND LIGANDS ASSOCIATED THEREWITH - The present invention provides screening methods for identifying modifiers of chemosensory receptors and their ligands, e.g., by determining whether a test entity is suitable to interact with one or more interacting sites within the Venus flytrap domains of the chemosensory receptors as well as modifiers capable of modulating chemosensory receptors and their ligands.09-22-2011

Patent applications by Feng Zhang, San Diego, CA US

Feng Zhang, Nanjing CN

Patent application numberDescriptionPublished
20100180088Memory Dispatching Method Applied to Real-time Data ETL System - As for the memory dispatching method applied to real-time data ETL system, the main ETL dispatching program executes one task according to preset sequence. In the execution, some key information are memorized by dispatching engine, such as lscycle (latest successful data cycle), curcycle (current processing data cycle), and endcycle (processing end data cycle), etc., are transferred to the called program. After the execution of the called program, the dispatching engine records and keeps the updated dispatching information; in the data re-extraction, memory dispatching method is adopted for the automatic re-extraction of some tasks and some cycles therein. Memory dispatching method (state-based dispatching method) solves the defect in stateless of traditional ETL dispatching program, simplifies the tasks of the called program, makes the called program focus on its own business logic through the memory state, wins plentiful development time for the real-time data ETL field, and greatly enhances the efficiency of project implementation.07-15-2010
20110185581COMPACT CIRCULAR SAW - A circular saw includes a housing, a motor having a rotating axis and a center of gravity on the rotating axis, a handle, a circular blade, a fixed guard, and a base plate having a width supporting the housing. The motor and the circular blade are parallel or coplanar with respect to each other and the circular saw does not extend beyond the width of the base plate in the width direction.08-04-2011

Feng Zhang, Columbus, IN US

Patent application numberDescriptionPublished
20100170244ROBUST MULTIPLE INPUT MULTIPLE OUTPUT CONTROL IN A HIGH VARIABILITY SYSTEM - One embodiment is a method including interpreting a static decoupling gain set for a gas flow handling system having a plurality of inputs and a plurality of outputs. The static decoupling gain set includes gain value sets, where each gain value set decouples the plurality of inputs from the plurality of outputs at a frequency of interest and specified system operating condition of the gas flow handling system. The method further includes calculating an error term based on at least one of the inputs and a current value corresponding to one of the outputs. The method further includes providing an adjusted controller gain in response to a current system operating condition and the static decoupling gain set, and determining actuator responses based on the adjusted controller gain and the at least one error term.07-08-2010

Feng Zhang, Austin, TX US

Patent application numberDescriptionPublished
20090136555PROCESS FOR THE PREPARATION OF A HOT-MELT EXTRUDED LAMINATE - A process for the preparation of a bioadhesive laminate comprising a hot-melt extruded reservoir layer and a hot-melt extruded backing layer is provided. The reservoir layer comprises a thermoplastic bioadhesive composition containing an active agent. An active agent-containing thermoplastic bioadhesive hydrophilic composition is hot-melt coextruded with a hydrophobic composition to form at least a bi-layered laminate. The hydrophilic composition and the hydrophobic composition have at least one polymer in common. In addition, the melt flow index of the hydrophobic composition is within 50% of the melt flow index of the hydrophilic composition. As a result, the laminate has a uniform transverse cross-section and/or a uniform longitudinal cross-section throughout a major of the length of the laminate. Moreover, when the laminate is divided into unit doses of approximately the same size, they have a high degree of content uniformity with respect to the active agent(s) present therein.05-28-2009
20090137645Shelf-Stable Famotidine Granulates for Oral Suspensions - A granulate for oral suspension that is particularly useful for the storage and reconstitution of famotidine into a liquid suspension.05-28-2009
20090264385STABILIZED COMPOSITIONS CONTAINING ALKALINE LABILE DRUGS - A stabilized bioadhesive composition containing an alkaline labile drug and a method for its preparation are provided. In one aspect, the composition is a hot-melt extruded (HME) composition comprising a preformed excipient mixture comprising an acidic component and an alkaline thermoplastic matrix-forming material, e.g. polymer. The excipient mixture is formed before blending with an alkaline labile drug. The blend is then hot-melt extruded to form the HME composition. By so doing, the acidic component is able to neutralize or render moderately acidic the excipient mixture. This particular process has been shown to substantially reduce the degradation of an alkaline labile drug during hot-melt extrusion. The excipient mixture softens or melts during hot-melt extrusion. It can dissolve or not dissolve drug-containing particles during extrusion. Various functional excipients can be included in the carrier system to improve process performance and/or improve the chemical or physical properties of the HME composition.10-22-2009
20100047345HYDROPHOBIC ABUSE DETERRENT DELIVERY SYSTEM FOR HYDROMORPHONE - Disclosed herein are oral dosage forms of hydromorphone that are resistant to abuse and methods of their formulation. In particular, oral dosage forms that are resistant to dissolution in aqueous solutions of ethanol are described.02-25-2010
20100074960HIGH-LOADING, CONTROLLED-RELEASE MAGNESIUM ORAL DOSAGE FORMS AND METHODS OF MAKING AND USING SAME - Disclosed are high-loading, controlled-release dosage forms for oral administration of magnesium salts. For example, an oral dosage form can comprise from about 80% to about 95% magnesium lactate and one or more components. As another example, an oral dosage form can comprise at least about 50% magnesium salt and exhibit a controlled release dissolution profile. Also disclosed are methods for making controlled release dosage forms for oral administration of a therapeutically effective amount of magnesium salt to a mammal. Also disclosed are methods for treating a disorder characterized by magnesium deficiency and methods for preventing or alleviating low magnesium levels. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.03-25-2010

Patent applications by Feng Zhang, Austin, TX US

Feng Zhang, Changshu CN

Patent application numberDescriptionPublished
20090195134DRAWER ANTI-SLIPOUT MECHANISM WITH HANDLE LIMITING JAM BAR - A mechanism for releasably locking a drawer and preventing the drawer from inadvertently slipping out of its recess includes a user-accessible bar that actuates locking hooks to release the drawer from a locked position.08-06-2009

Feng Zhang, Ann Arbor, MI US

Patent application numberDescriptionPublished
20090114829Three-Dimensional, Position-Sensitive Radiation Detection - Disclosed herein is a method of determining a characteristic of radiation detected by a radiation detector via a multiple-pixel event having a plurality of radiation interactions. The method includes determining a cathode-to-anode signal ratio for a selected interaction of the plurality of radiation interactions based on electron drift time data for the selected interaction, and determining the radiation characteristic for the multiple-pixel event based on both the cathode-to-anode signal ratio and the electron drift time data. In some embodiments, the method further includes determining a correction factor for the radiation characteristic based on an interaction depth of the plurality of radiation interactions, a lateral distance between the selected interaction and a further interaction of the plurality of radiation interactions, and the lateral positioning of the plurality of radiation interactions.05-07-2009

Feng Zhang, Shanghai CN

Patent application numberDescriptionPublished
20090036708Novel Process for the Preparation of Nonracemic Long Chain alpha-Amino Acid Derivatives - The present invention provides a process for the preparation of a nonracemic a-amino acid derivative from an optically active N-acyl lactam using an organometallic reagent to effect the opening of the ring followed by reduction of the ketone carbonyl to an alcohol or a methylene, or by a reductive amination to an amine, or by a ketalization reaction.02-05-2009

Feng Zhang, Binzhou CN

Patent application numberDescriptionPublished
20090020007SINGLE-PIECE FORGED-STEEL PISTON WITH INNER OIL COOLING CHAMBER AND A METHOD FOR MANUFACTURING THEREOF - A laser-welded single-piece forged-steel piston with an enclosed inner oil cooling chamber having the advantages of simple structure and easy manufacturing process, and capable of satisfying the requirement of engines for high power, high rigidity, and low discharge development, and its manufacturing process. The laser-welded single-piece forged-steel piston of the invention comprises a piston body member and a piston ring member, wherein the piston body member is welded together with the piston ring member through laser welding procedure, an enclosed inner oil cooling chamber is formed between the piston body member and the piston ring member, and is connected with the piston inner cavity by means of at least two oil inlet/outlet holes, and a pin hole is opened at the lower portion of the piston body member.01-22-2009

Feng Zhang, Jiangsu CN

Patent application numberDescriptionPublished
20090085448 MULTI-FUNCTION TOOL BOX WITH SIDE DOORS - This utility model relates to a type of multi-function tool box with side doors, consisting of a base with foot wheels, head plate, left and right side boards, box body formed by a group of drawers, and handle. Drawers in the box slightly draw back at left and right sides. At rear of the box, fixed left and right side boards are provided. In available space formed between fixed external side boards and left/right drawn back drawer side plates, parts container is provided. At left and right side of drawers in front of this available space, left and right side doors that can be opened and function as part of left/right side board and part of front board of the box. On internal walls of these side doors, tool hanging plates with holes are provided. When these side doors move outward, the tool box is open; when they are withdrawn, an enclosed box is formed. Compared with traditional tool box, space availability is apparently high, quantity of tools and spares that can be stored in this box is large, types of such tools and spares are complete, and taking of these tools and spares is convenient, greatly facilitating site maintenance and service, and providing very strong practicality.04-02-2009

Feng Zhang, Plymouth, MN US

Patent application numberDescriptionPublished
20110145940TAL EFFECTOR-MEDIATED DNA MODIFICATION - Materials and Methods related to gene targeting (e.g., gene targeting with transcription activator-like effector nucleases; “TALENS”) are provided.06-16-2011

Feng Zhang, Provo, UT US

Patent application numberDescriptionPublished
20110151263MULTILAYER GROWTH BY GAS PHASE DEPOSITION - A multilayer system where intermediate well bonded and cross-linked layers provide attachment for a finishing layer with desired reactive sites.06-23-2011

Feng Zhang, Palo Alto, CA US

Patent application numberDescriptionPublished
20110223635Method and Composition for Controlling Gene Expression - A composition for expressing a protein in cells is provided. In certain embodiments, a circular expression vector provided herein comprises: a promoter, a coding sequence encoding a protein of interest, in which the coding sequence is in a reversed 3′-5′ orientation, a transcription termination sequence, and at least a first recombination site and a second recombination site flanking the coding sequence. A method for using the disclosed composition and a kit comprising the composition are also provided herein.09-15-2011

Feng Zhang, Mountain View, CA US

Patent application numberDescriptionPublished
20110236462INTRAVAGINAL DRUG DELIVERY DEVICE - Described herein is an intravaginal drug delivery system. In an embodiment the intravaginal drug delivery system includes a progestin and estrogen compound, and releases the active ingredients in a fixed physiological ratio over a prolonged period of time to produce a contraceptive state in a female.09-29-2011