methods

Targeted performance of hypohalite methods thereof

This invention relates to extend the benefits of using hypochlorite compounds such as sodium hypochlorite to clean and disinfect articles while reducing or eliminating the side effects of treating an article with a strong oxidant material. The invention relates to a single step process involving mixing of precursor compositions of a suitable hypohalite or hypohalous acid with a solution of a reducing agent. Optionally a buffer may be present in either or both precursor compositions, such that at time of use such active hypohalous acid concentration in the resulting aqueous mixture remains at a sufficient activity level to effect one or more desired benefits against a target substrate for a desired period of time. The oxidant is substantially consumed by reaction with the reducing agent after the time needed for achieving the desired benefit has passed.




methods

Compositions and methods for treating biofilms

Compositions and methods for treating biofilm formation and growth on a substrate are provided. The composition comprises 1 ppb to 1,000 ppm of at least one D-amino acid and 1 ppm to 60,000 ppm of at least one biocide. The method comprises contacting the substrate with 1 ppb to 1,000 ppm of at least one D-amino acid and 1 ppm to 60,000 ppm of at least one biocide. The compositions and methods are effective for preventing, reducing or eliminating biofilm formation or biofilm growth or both, as well as eradicating established, recalcitrant biofilms, particularly biofilms comprising sulfate reducing bacteria that are known to cause microbiologically influenced corrosion, biofouling, or both.




methods

Intercalated bleach compositions, related methods of manufacture and use

The invention relates to compositions, methods of use, and methods of manufacture for an intercalated bleach compound and compositions thereof. The intercalated bleach compound has the formula Mx(OCl)y(O)m(OH)n where M is an alkaline earth metal such as magnesium, calcium or mixture thereof. The values of x and y independently equal any number greater than or equal to 1 (e.g., 1, 2, 3, 4, etc.), and m and n independently equal any number greater than or equal to 0 (e.g., 0, 1, 2, 3, 4, etc.), but m and n are not both 0. In addition, the molar ratio of the alkaline earth metal (e.g., magnesium or calcium) to hypochlorite is at least 3:1. In other words, x is ≧3y. The compounds exhibit excellent stability, little or no chlorine bleach odor, exhibit excellent pH buffering characteristics, and less reactivity with organic materials as compared to alternative chlorine bleach products.




methods

Methods of splicing 2G rebco high temperature superconductors using partial micro-melting diffusion pressurized splicing by direct face-to-face contact of high temperature superconducting layers and recovering superconductivity by oxygenation annealing

Disclosed is a splicing method of two second-generation ReBCO high temperature superconductor coated conductors (2G ReBCO HTS CCs), in which, with stabilizing layers removed from the two strands of 2G ReBCO HTS CCs through chemical wet etching or plasma dry etching, surfaces of the two high temperature superconducting layers are brought into direct contact with each other and heated in a splicing furnace in a vacuum for micro-melting portions of the surfaces of the high temperature superconducting layers to permit inter-diffusion of ReBCO atoms such that the surfaces of the two superconducting layers can be spliced to each other and oxygenation annealing for recovery of superconductivity which was lost during splicing.




methods

Systems, methods, and apparatus for calibrating, controlling, and operating a quantum processor

Quantum annealing may include applying and gradually removing disorder terms to qubits of a quantum processor, for example superconducting flux qubits of a superconducting quantum processor. A problem Hamiltonian may be established by applying control signals to the qubits, an evolution Hamiltonian established by applying disorder terms, and annealing by gradually removing the disorder terms. Change in persistent current in the qubits may be compensated. Multipliers may mediate coupling between various qubits and a global signal line, for example by applying respective scaling factors. Two global signal lines may be arranged in an interdigitated pattern to couple to respective qubits of a communicatively coupled pair of qubits. Pairs of qubits may be communicatively isolated and used to measure a response of one another to defined signals.




methods

Methods and apparatus to generate and use content-aware watermarks

Methods and apparatus to generate and use content-aware watermarks are disclosed herein. In a disclosed example method, media composition data is received and at least one word present in an audio track of the media composition data is selected. The word is then located in a watermark.




methods

Systems and methods for identifying and suggesting emoticons

Computer-implemented systems and methods are provided for suggesting emoticons for insertion into text based on an analysis of sentiment in the text. An example method includes: determining a first sentiment of text in a text field; selecting first text from the text field in proximity to a current position of an input cursor in the text field; identifying one or more candidate emoticons wherein each candidate emoticon is associated with a respective score indicating relevance to the first text and the first sentiment based on, at least, historical user selections of emoticons for insertion in proximity to respective second text having a respective second sentiment; providing one or more candidate emoticons having respective highest scores for user selection; and receiving user selection of one or more of the provided emoticons and inserting the selected emoticons into the text field at the current position of the input cursor.




methods

Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream

An apparatus for decoding data segments representing a time-domain data stream, a data segment being encoded in the time domain or in the frequency domain, a data segment being encoded in the frequency domain having successive blocks of data representing successive and overlapping blocks of time-domain data samples. The apparatus includes a time-domain decoder for decoding a data segment being encoded in the time domain and a processor for processing the data segment being encoded in the frequency domain and output data of the time-domain decoder to obtain overlapping time-domain data blocks. The apparatus further includes an overlap/add-combiner for combining the overlapping time-domain data blocks to obtain a decoded data segment of the time-domain data stream.




methods

Audio encoder, audio decoder, methods for encoding and decoding an audio signal, and a computer program

An encoder for providing an audio stream on the basis of a transform-domain representation of an input audio signal includes a quantization error calculator configured to determine a multi-band quantization error over a plurality of frequency bands of the input audio signal for which separate band gain information is available. The encoder also includes an audio stream provider for providing the audio stream such that the audio stream includes information describing an audio content of the frequency bands and information describing the multi-band quantization error. A decoder for providing a decoded representation of an audio signal on the basis of an encoded audio stream representing spectral components of frequency bands of the audio signal includes a noise filler for introducing noise into spectral components of a plurality of frequency bands to which separate frequency band gain information is associated on the basis of a common multi-band noise intensity value.




methods

System and methods for matching an utterance to a template hierarchy

A system and methods for matching at least one word of an utterance against a set of template hierarchies to select the best matching template or set of templates corresponding to the utterance. Certain embodiments of the system and methods determines at least one exact, inexact, and partial match between the at least one word of the utterance and at least one term within the template hierarchy to select and populate a template or set of templates corresponding to the utterance. The populated template or set of templates may then be used to generate a narrative template or a report template.




methods

Systems, methods, and apparatus for gain factor attenuation

A method of signal processing according to one embodiment includes calculating an envelope of a first signal that is based on a low-frequency portion of a speech signal, calculating an envelope of a second signal that is based on a high-frequency portion of the speech signal, and calculating a plurality of gain factor values according to a time-varying relation between the envelopes of the first and second signal. The method includes attenuating, based on a variation over time of a relation between the envelopes of the first and second signals, at least one of the plurality of gain factor values. In one example, the variation over time of a relation between the envelopes is indicated by at least one distance among the plurality of gain factor values.




methods

Time warp contour calculator, audio signal encoder, encoded audio signal representation, methods and computer program

A time warp contour calculator for use in an audio signal decoder receives an encoded warp ratio information, derives a sequence of warp ratio values from the encoded warp ratio information, and obtains warp contour node values starting from a time warp contour start value. Ratios between the time warp contour node values and the time warp contour starting value are determined by the warp ratio values. The time warp contour calculator computes a time warp contour node value of a given time warp contour node, on the basis of a product-formation having a ratio between the time warp contour node values of the intermediate time warp contour node and the time warp contour starting value and a ratio between the time warp contour node values of the given time warp contour node and of the intermediate time warp contour node as factors.




methods

Methods and systems for creating a shaped playlist

Methods and systems are described for generating media playlists, or selecting a media asset, according to a “shape” selected by a user. Specifically, a user may “shape” the playlist by designating specific sub-categories of media assets that should be presented at selected times in the playlist. The media application then interpolates the sub-categories for a media asset between the selected times such that adjacent media assets have smooth categorical transitions (e.g., feature incremental changes in the range of sub-categories).




methods

Methods and apparatus to create process control graphics based on process control information

Methods and apparatus to automatically link process control graphics to process control algorithm information are described. An example method involves displaying a first process control image including process control algorithm information and displaying adjacent to the first process control image a second process control image to include process control graphics. The method automatically links at least some of the process control algorithm information to a graphic in the second process control image in response to user inputs associated with the first and second process control images.




methods

Carbonate prodrugs and methods of using the same

The present invention provides carbonate prodrugs which comprise a carbonic phosphoric anhydride prodrug moiety attached to the hydroxyl or carboxyl group of a parent drug moiety. The prodrugs may provide improved physicochemical properties over the parent drug. Also provided are methods of treating a disease or condition that is responsive to the parent drug using the carbonate prodrugs, as well as kits and unit dosages.




methods

Methods and apparatus for using a distributed message bus for ad hoc peer-to-peer connectivity

A method and apparatus for using an ad hoc peer-to-peer distributed message bus is provided. The method may include determining, by a local bus node, using a first power level communication protocol, that a remote bus node is available, obtaining, by the local bus node, connection information from the remote bus node using a second power level communication protocol, wherein the connection information comprises connection information for one or more remote endpoints associated with the remote bus node, and generating one or more local virtual endpoints, wherein each of the one or more local virtual endpoints corresponds to each of the one or more remote endpoints, and wherein the remote endpoint is described with reference to a well-known name, unique to the remote endpoint.




methods

Systems and methods for dynamic development and deployment of computing applications using blueprints

Systems and methods for dynamic development and deployment of computing applications including a development framework, a visual design subsystem, and a deployment subsystem, where at runtime the deployment subsystem is operable to dynamically deploy a computing application realized by a blueprint by sending a request at runtime for graphs and components instantiated by the blueprint.




methods

Systems and methods for controlling error reporting and resolution

Various system and method embodiments are disclosed that include using a first node to receive messages including error information from a plurality of client computers via a computer network. Recommendations for resolving errors associated with the error information are made available to the client computers via the computer network.




methods

Systems and methods for dynamically configuring communication data items

Systems and methods reconfigure data transmitted on a network, the network using a communication protocol. The systems and methods include a processor that is operable to receive data from a second device on the network; a memory medium; and a data configurator operable to dynamically reconfigure the data from the second device, with the data from the second device being in the form of a network item defined by the second device. The data configurator is operable to pass the reconfigured data to the processor and/or the memory medium in the form of a device item that is native to the device. A data design tool generates a map configuration to define a unique relationship between the network item and the device item. The map configuration includes a network representation portion for data in the network item and a device representation portion for data in the data item.




methods

Vehicle connectivity systems, methods and applications

A vehicle communication method comprises receiving a first wireless communication that is transmitted from a first remote device and managing a transmission of the first wireless communication over a vehicle network using a configurable message list. The receiving a first wireless communication is performed by a connectivity device coupled to a communication port of the vehicle network. The managing a transmission of the first wireless communication is performed by a message manager module of the connectivity device.




methods

Methods and apparatus to determine impressions using distributed demographic information

An example method to monitor media exposure involves receiving, at a first internet domain, a first request from a client computer, the first request indicative of access to the media at the client computer. The example method also involves determining if the client computer is known. If the client computer is not known, a response is sent from the first internet domain to the client computer, the response to instruct the client computer to send a second request to a second internet domain, the second request to be indicative of access to the media at the client computer. If the client computer is known, an impression of the media is logged.




methods

Systems and methods for operating a flash memory file system

A flash memory file system including a plurality of flash modules. Each of the plurality of flash modules includes a respective cache memory, a respective flash memory, and a respective flash controller in communication with the respective cache memory and the respective flash memory. A first flash module of the plurality of flash modules is configured to receive a file lookup message including a path name for file data stored on a second flash module of the plurality of flash modules. A third flash module of the plurality of flash modules is configured to select the second flash module based on the path name and a directory table, and generate a file metadata message responsive to the file lookup message. The file metadata message identifies the second flash module as containing the file data.




methods

Methods and systems for replicating an expandable storage volume

Machine implemented method and system for generating a disaster recovery copy of an expandable storage volume having a namespace for storing information for accessing data objects stored at a data constituent volume is provided. A transfer operation for transferring a point in time copy of the expandable storage volume from a first location to a second location is generated. Information regarding the expandable storage volume from the first location is retrieved and a destination expandable storage volume is resized to match components of the expandable storage volume at the first location. Thereafter, the point in time copy of the expandable storage volume is transferred from the first location to the second location and configuration information regarding the point in time copy is copied from the first location to the second location.




methods

Apparatuses and methods for providing data from multiple memories

Apparatuses and methods for providing data are disclosed. An example apparatus includes a plurality of memories coupled to a data bus. The memories provide data to the data bus responsive, at least in part, to a first address. The plurality of memories further provide at least a portion of the data corresponding to the first address to the data bus during a sense operation for a second address provided to the plurality of memories after the first address. Each of the plurality of memories provides data to the data bus corresponding to the first address at different times. Moreover, a plurality of memories may provide at least 2N bits of data to the data bus responsive, at least in part, to an address, each of the plurality of memories provide N bits of data to the data bus at different times.




methods

α-keto alkylperacids and methods for producing and using the same

The present invention provides α-keto alkylperacids and methods for producing and using the same. In particular, α-keto alkylperacids are useful as antimicrobial agents.




methods

Methods and compositions for the synthesis of multimerizing agents

The invention features methods and compositions for the synthesis of multimerizing agents. An exemplary method for producing AP20187 may comprise: (a) coupling 2-N,Ndimethylaminomethyl-1,3-diaminopropane with AP20792 to produce the dimeric alcohol, AP20793; and (b) coupling the AP20793 so produced with API7362 to yield AP20187. In particular embodiments, the method further includes the step of producing API7362 by coupling API7360 with methyl-L-pipecolic acid, or a salt thereof.




methods

Methods for producing acrylic acid and/or ester thereof and polymer of the acrylic acid and/or ester thereof

A method for producing acrylic acid and/or an ester thereof from a raw material composition containing hydroxypropionic acid and/or an ester thereof, the method including the steps of: (a) evaporating the raw material composition; and (b) dehydrating the evaporated raw material composition by contact with a dehydration catalyst, wherein the total amount of hydroxypropionic acid and/or an ester thereof supplied in the step (b) is controlled to be 70% by mass or more based on 100% by mass of the total amount of hydroxypropionic acid and/or an ester thereof supplied in the step (a).




methods

Methods for production of arginine biocarbonate at low pressure

A method of producing arginine bicarbonate is provided including reacting an arginine slurry with a source of carbon dioxide gas under elevated temperature and low pressure to form a solution of at least 50% arginine bicarbonate, and recovering arginine bicarbonate from the solution.




methods

L-ornithine phenyl acetate and methods of making thereof

Disclosed herein are forms of L-ornithine phenyl acetate and methods of making the same. A crystalline form may, in some embodiments, be Forms I, II, III and V, or mixtures thereof. The crystalline forms may be formulated for treating subjects with liver disorders, such as hepatic encephalopathy. Accordingly, some embodiments include formulations and methods of administering L-ornithine phenyl acetate.




methods

Methods for production of high concentration of arginine bicarbonate solution at high pressure

Methods of producing arginine bicarbonate solutions in very high concentrations including reacting an arginine slurry containing a first portion of arginine with a source of carbon dioxide gas at elevated pressure and temperature, adding subsequent portions of arginine to the resulting solution and further reacting with compressed carbon dioxide until a final solution containing in excess of 50% by weight are provided which include preparing an arginine solution by subjecting an arginine water slurry to elevated pressure and temperature and reacting the arginine solution with a source of carbon dioxide gas to form a solution comprising arginine and bicarbonate anion and recovering arginine bicarbonate from the solution.




methods

Macromolecular nucleotide compounds and methods for using the same

The invention describes new structures of the nucleotide conjugates (nuc-macromolecules) comprising at lease one nucleotide moiety coupled to at least one macromolecular compound via a short linker. These conjugates can be used as substrates for various kinds of polymerizing enzymes in the enzymatic synthesis of nucleic acids. In particular, these compounds can be used for labeling nucleic acids.




methods

Compositions and methods for silencing SMAD4

The present invention provides compositions comprising therapeutic nucleic acids such as interfering RNA (e.g., dsRNA such as siRNA) that target SMAD4 gene expression, lipid particles comprising one or more (e.g., a cocktail) of the therapeutic nucleic acids, methods of making the lipid particles, and methods of delivering and/or administering the lipid particles (e.g., for treating anemia of inflammation in humans).




methods

Antisense oligonucleotides for inducing exon skipping and methods of use thereof

An antisense molecule capable of binding to a selected target site to induce exon skipping in the dystrophin gene, as set forth in SEQ ID NO: 1 to 202.




methods

Compositions and methods for treating cancer

Provided herein are compounds used to inhibit the deamination enzyme responsible for the inactivation of therapeutic compounds, and methods of using them.




methods

Methods and compositions for extraction and storage of nucleic acids

A solid matrix for the extraction, stabilization, and storage of nucleic acids is provided. At least one protein denaturant, and at least one acid or acid-titrated buffer reagent are impregnated in a dry state therein the matrix; and the matrix is configured to provide an acidic pH on hydration. The matrix is configured to extract nucleic acids from a sample and stabilize the extracted nucleic acids, particularly RNA, in a dry format under ambient conditions for a prolonged period of time. Methods for collecting and recovering the nucleic acids stored in the dry solid matrix are also described.




methods

Cellulose ethers having reactive anchor group, modified cellulose ethers obtainable therefrom and methods for the preparation thereof

Non-ionic water-soluble cellulose ethers modified with 3-azido-2-hydroxypropyl groups bound via an ether link are provided having a molar degree of substitution MSAHP in the range from 0.001 to 0.50. Exemplary cellulose ethers are alkyl celluloses, including methyl, hydroxyalkyl (e.g. hydroxyethyl or hydroxypropyl) or alkylhydroxyalkyl cellulose (e.g. methylhydroxyethyl). Reaction products with alkyne compounds are also provided, resulting in a terminal alkyne group. The reaction of azide with the alkyne proceeds as a 1,3-dipolar cycloaddition reaction, advantageously with Cu(I) or ruthenium catalysts. A multiplicity of cellulose ethers can be obtained from the conversion reaction. Variations in the macroscopic properties can be achieved by controlled modification, ranging from increased or reduced viscosity. The reaction, taking place within a few seconds, requires only minimal catalyst. Gel formation is reversible by adjustment of the pH such that a monophasic system (high-viscous fluid) arises again from a biphasic system (gel+low-viscous water phase).




methods

Methods and compositions for extraction and storage of nucleic acids

The present disclosure generally relates to solid matrices for the extraction, stabilization, and storage of nucleic acids, particularly RNA, in a dry format under ambient conditions for a prolonged period of time. Methods for extracting, collecting, and recovering nucleic acids from the solid compositions are also described.




methods

Systems and methods for data security

A system comprises a basic-input-output-system (“BIOS”), a disk drive, and a security system configured to prevent unauthenticated access to the disk drive. For each of at least two users out of a plurality of users, the BIOS authenticates the user based on the user's token. The BIOS also accesses secured data based on the authentication, and provides the secured data to the security system without input from the user.




methods

Methods and apparatuses for controlling the temperature of a data processing system

Methods and apparatuses to manage working states of a data processing system. At least one embodiment of the present invention includes a data processing system with one or more sensors (e.g., physical sensors such as tachometer and thermistors, and logical sensors such as CPU load) for fine grain control of one or more components (e.g., processor, fan, hard drive, optical drive) of the system for working conditions that balance various goals (e.g., user preferences, performance, power consumption, thermal constraints, acoustic noise). In one example, the clock frequency and core voltage for a processor are actively managed to balance performance and power consumption (heat generation) without a significant latency. In one example, the speed of a cooling fan is actively managed to balance cooling effort and noise (and/or power consumption).




methods

Methods, systems, apparatuses, and computer-readable media for waking a SLIMbus without toggle signal

Arrangements for restarting data transmission on a serial low-power inter-chip media bus (SLIMbus) are presented. A clock signal may be provided in an active mode to a component communicatively coupled with the SLIMbus. Immediately prior to the clock signal in the active mode being provided, the clock signal may have been in a paused mode. While the clock signal was in the paused mode at least until the clock signal is provided in the active mode, the data line may have been inactive (e.g., a toggle on the data line may not have been present). Frame synchronization data for a frame may be transmitted. The frame synchronization data for the frame, as received by the component, may not match expected frame synchronization data. Payload data may be transmitted as part of the frame to the component, wherein the payload data is expected to be read properly by the component.




methods

Monitoring or feedback systems and methods

The present invention generally relates to systems and methods for monitoring and/or providing feedback for drugs or other pharmaceuticals taken by a subject. In one aspect, the present invention is directed to devices and methods for determining a species within the skin of a subject; and producing feedback to a subject based on the determination of the species. The feedback may be, for example, visual, audible, tactile, a change in temperature, etc. In some cases, information regarding the determination of the species may be transmitted to another entity, e.g., a health care provider, a computer, a relative, etc., which may then provide feedback to the subject in some fashion. In some cases, the feedback may be directly indicative of the species, e.g., whether the species is present, the concentration of the species, whether a by-product of a reaction involving the species is present, whether a compound affected by the species is present, etc. However, the feedback may also be indirect in some embodiments. For example, the subject may be presented with an external reward, e.g., based on the determination of the species within the skin. For instance, a reward such as cash, coupons, songs, discounts, personal items, etc., may be offered based on the level of compliance of the subject. Still other aspects of the invention are generally directed to kits involving such devices (with or without the drug to be monitored), methods of promoting such systems, or the like.




methods

Analyte monitoring device and methods of use

An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor has, for example, a substrate, a recessed channel formed in the substrate, and conductive material disposed in the recessed channel to form a working electrode. The sensor control unit typically has a housing adapted for placement on skin and is adapted to receive a portion of an electrochemical sensor. The sensor control unit also includes two or more conductive contacts disposed on the housing and configured for coupling to two or more contact pads on the sensor. A transmitter is disposed in the housing and coupled to the plurality of conductive contacts for transmitting data obtained using the sensor. The display unit has a receiver for receiving data transmitted by the transmitter of the sensor control unit and a display coupled to the receiver for displaying an indication of a level of an analyte. The analyte monitor may also be part of a drug delivery system to alter the level of the analyte based on the data obtained using the sensor.




methods

MRI-guided localization and/or lead placement systems, related methods, devices and computer program products

MRI compatible localization and/or guidance systems for facilitating placement of an interventional therapy and/or device in vivo include: (a) a mount adapted for fixation to a patient; (b) a targeting cannula with a lumen configured to attach to the mount so as to be able to controllably translate in at least three dimensions; and (c) an elongate probe configured to snugly slidably advance and retract in the targeting cannula lumen, the elongate probe comprising at least one of a stimulation or recording electrode. In operation, the targeting cannula can be aligned with a first trajectory and positionally adjusted to provide a desired internal access path to a target location with a corresponding trajectory for the elongate probe. Automated systems for determining an MR scan plane associated with a trajectory and for determining mount adjustments are also described.




methods

Heart rate correction system and methods for the detection of cardiac events

A device for detecting a cardiac event is disclosed. Detection of an event is based on a test applied to a parameter whose value varies according to heart rate. Both the parameter value and heart rate (RR interval) are filtered with an exponential average filter. From these filtered values, the average change in the parameter and the RR interval are also computed with an exponential average filter. Before computing the average change in the parameter, large changes in the parameter over short times, which may be caused by body position shifts, are attenuated are removed, so that the average change represents an average of small/smooth changes in the parameter's value that are characteristic of acute ischemia, one of the cardiac events that may be detected. The test to detect the cardiac event depends on the heart rate, the difference between the parameter's value and its upper and lower normal values, and its average change over time, adjusted for heart rate changes. The upper and lower normal parameter values as a function of heart rate are determined from long term stored data of the filtered RR values and parameter values. Hysteeresis related data and transitory deviations from normal (e.g. vasospasm related data) are excluded from the computation of normal upper and lower parameter bounds.




methods

Analyte monitoring device and methods of use

In aspects of the present disclosure, an auto turn on blood glucose monitoring unit including a calibration unit integrated with one or more components of an analyte monitoring system is provided. Also disclosed are methods, systems, devices and kits for providing the same.




methods

Disposable biopsy devices and methods of obtaining tissue biopsy samples using same

The described invention provides a disposable handheld biopsy device for taking biopsies, the biopsy device comprising a tissue cutting assembly which has features to control the tissue length that will be severed by the cutting assembly; and a vacuum assembly which has features to control the vacuum level. The disposable handheld biopsy device of the described invention is simple, lightweight, portable, and cost effective to manufacture and dispose of.




methods

Cardiac valve procedure methods and devices

The present invention discloses devices and methods for performing intravascular procedures without cardiac bypass. The devices include various embodiments of temporary filter devices, temporary valves, and prosthetic valves. The temporary filter devices have one or more cannulae which provide access for surgical tools for effecting repair of the cardiac valves. A cannula may have filters of various configurations encircling the distal region of the cannula, which prevent embolitic material from entering the coronary arteries and aorta.The temporary valve devices may also have one or more cannulae which guide the insertion of the valve into the aorta. The valve devices expand in the aorta to occupy the entire flow path of the vessel. In one embodiment, the temporary valve is a disc of flexible, porous, material that acts to filter blood passing therethrough. A set of valve leaflets extend peripherally from the disc. These leaflets can alternately collapse to prevent blood flow through the valve and extend to permit flow.The prosthetic valves include valve fixation devices which secure the prosthetic valve to the wall of the vessel. In one embodiment, the prosthetic valves have at least one substantially rigid strut, at least two expandable fixation rings located about the circumference of the base of the apex of the valve, and one or more commissures and leaflets. The prosthetic valves are introduced into the vascular system a compressed state, advanced to the site of implantation, expanded and secured to the vessel wall.




methods

Apparatus and methods for determining a plurality of local calibration factors for an image

Apparatus and methods are described including acquiring a first set of extraluminal images of a lumen, using an extraluminal imaging device. At least one of the first set of images is designated as a roadmap image. While an endoluminal device is being moved through the lumen, a second set of extraluminal images is acquired. A plurality of features that are visible within images belonging to the second set of extraluminal images are identified. In response to the identified features in the images belonging to the second set of extraluminal images, a plurality of local calibration factors associated with respective portions of the roadmap image are determined. Other applications are also described.




methods

Methods and systems for producing an implant

A computer implemented method for determining the 3-dimensional shape of an implant to be implanted into a subject includes obtaining a computer readable image including a defective portion and a non-defective portion of tissue in the subject, superimposing on the image a shape to span the defective portion, and determining the 3-dimensional shape of the implant based on the shape that spans the defective portion.




methods

5-aminolevulinic acid derivatives, methods for their preparation and uses thereof

The present invention provides drug conjugates comprising 5-aminolevulinic acid (ALA), an aldehyde and a carboxylic acid that may function as a histone deacetylase inhibitor (HDACI). These conjugates may serve as co-drugs which release a plurality of active species in vivo. The novel drug conjugates may be used, for the treatment or prevention of cancer in PDT-dependent and/or PDT-independent (nonPDT) treatments, as well as for cosmetic uses. In addition the present invention provides novel uses for both the novel and known compounds. According to some embodiments, the present invention provides drug conjugates (co-drugs) comprising (i) ALA, (ii) an aldehyde and (iii) a carboxylic acid that may function as a histone deacetylase inhibitor (HDACO for the treatment of anemia and/or for the induction of erythropoiesis.