摘要:
pH-sensitive fluorescent compounds that can generate a detectable signal for the relatively small changes in proton concentration associated with cancerous tissue are described. Methods of making and using the compounds to help detect cancerous tissue are also disclosed.
摘要:
An in-line enterotomy detection device for use in a surgical procedure wherein access to an internal operating field is provided through a plurality of access ports and further wherein a pressurized insufflating gas is delivered to the internal operating field through one access port and vented from the internal operating field through another access port, the in-line enterotomy detection device comprising: a housing having an inlet, an outlet, and a passageway connecting the inlet to the outlet, the inlet being configured for connection to an access port venting gas from the internal operating field and the outlet being configured to vent gas from the in-line enterotomy detection device; and at least one non-electrical colorimetric enteric gas sensor disposed within the passageway for determining at least one of the presence of a selected enteric gas and the concentration of a selected enteric gas and indicating that presence by a visually-apparent change in appearance.
摘要:
Apparatus for determining the quantity of a target protein and other types of biomarkers or analytes present in a sample, the apparatus comprising: a top plate comprising a plurality of recesses arranged to form a plurality of rows extending parallel to one another; and a bottom plate comprising a plurality of recesses arranged to form a plurality of rows extending parallel to one another, and a plurality of channels extending perpendicularly to the plurality of rows of the bottom plate; wherein the top plate and the bottom plate are assembled together so that the top plate is on top of the bottom plate and the recesses of the top plate communicate with the recesses of the bottom plate so as to form a plurality of rows; and wherein at least one of the top plate and the bottom plate is configured to slide relative to the other of the top plate and the bottom plate in order to form a plurality of columns, with each of the plurality of columns in communication with each of the plurality of channels.
摘要:
Systems and methods for monitoring medical procedures. Particular embodiments relate to monitoring medical procedures performed in operating room environments through the use of various types of sensors.
摘要:
Improved methods for detecting active tuberculosis are disclosed. A method comprises enriching at least one M. tuberculosis-specific biomolecule from a sample by contacting the sample with a nanoporous film; and detecting the presence of the M. tuberculosis-specific biomolecule or fragment(s) thereof. The method may further comprise digesting the enriched M. tuberculosis-specific biomolecule with an enzyme to produce a digestion product comprising at least one fragment of the M. tuberculosis-specific biomolecule. Improved sensitivity and speed achieved.
摘要:
Apparatus for determining the quantity of a target protein and/or other types of biomarkers or analytes present in a sample, the apparatus comprising: a top plate comprising a plurality of recesses arranged to form a plurality of rows extending parallel to one another; and a bottom plate comprising a plurality of recesses arranged to form a plurality of rows extending parallel to one another, and a plurality of channels extending perpendicularly to the plurality of rows of the bottom plate.
摘要:
Apparatus for determining the quantity of a target protein, biomarker or analyte present in a sample, comprising a top plate and a bottom plate, each comprising a plurality of recesses arranged to form a plurality of rows extending parallel to one another, and a plurality of channels extending perpendicularly to the plurality of rows of the bottom plate; wherein the top plate and the bottom plate are assembled together so that the top plate is on top of the bottom plate and the recesses of the top plate communicate with the recesses of the bottom plate so as to form a plurality of rows; and wherein at least one of the top and bottom plate is configured to slide relative to the other of the top and bottom plate in order to form a plurality of columns, with each of the columns in communication with each of the channels.
摘要:
Apparatus for determining the quantity of a target protein, biomarker or analyte present in a sample, comprising a top plate and a bottom plate, each comprising a plurality of recesses arranged to form a plurality of rows extending parallel to one another, and a plurality of channels extending perpendicularly to the plurality of rows of the bottom plate; wherein the top plate and the bottom plate are assembled together so that the top plate is on top of the bottom plate and the recesses of the top plate communicate with the recesses of the bottom plate so as to form a plurality of rows; and wherein at least one of the top and bottom plate is configured to slide relative to the other of the top and bottom plate in order to form a plurality of columns, with each of the columns in communication with each of the channels.
摘要:
Apparatus for applying Transcranial Magnetic Stimulation (TMS) to an individual, wherein the apparatus comprises: a head mount for disposition on the head of an individual; and a plurality of magnet assemblies for releasable mounting on the head mount, wherein each of the magnet assemblies comprises a permanent magnet, and at least one of (i) a movement mechanism for moving the permanent magnet and/or (ii) a magnetic shield shutter mechanism, for selectively providing a rapidly changing magnetic field capable of inducing weak electric currents in the brain of an individual so as to modify the natural electrical activity of the brain of the individual; wherein the number of magnet assemblies mounted on the head mount, their individual positioning on the head mount, and their selective provision of a rapidly changing magnetic field is selected so as to allow the spatial, strength and temporal characteristics of the magnetic field to be custom tailored for each individual, whereby to provide individual-specific TMS therapy, to assist in diagnosis or to map out brain function in neuroscience research.
摘要:
Devices and methods for controlling molecular transport are disclosed herein. The devices include a membrane having a plurality of nanochannels extending therethrough. The membrane has an inner electrically conductive layer and an outer dielectric layer. The outer dielectric layer creates an insulative barrier between the electrically conductive layer and the contents of the nanochannels. At least one electrical contact region is positioned on a surface of the membrane. The electrical contact region exposes the electrically conductive layer of the membrane for electrical coupling to external electronics. When the membrane is at a first voltage, molecules flow through the nanochannels at a first release rate. When the membrane is at a second voltage, charge accumulation within the nanochannels modulates the flow of molecules through the nanochannels to a second release rate that is different than the first release rate. Methods of fabricating devices for controlling molecular transport are also disclosed herein.