74 results about "Fluid composition" patented technology

Described here are systems and methods for accessing Schlemm's canal and for delivering an ocular device, tool, or fluid composition therein. The ocular devices may maintain the patency of Schlemm's canal without substantially interfering with transmural fluid flow across the canal. The fluid composition may be a viscoelastic fluid that is delivered into the canal to facilitate drainage of aqueous humor by disrupting the canal and surrounding trabeculocanalicular tissues. Some systems described here may be configured to cut or tear the trabecular meshwork with the body of an elongate member located within Schlemm's canal. Other tools for disrupting these tissues and minimally invasive methods for treating medical conditions associated with elevated intraocular pressure, including glaucoma, are also described.

The disclosure relates to compositions and methods that include fluid compositions that include nanoparticles and an oxidizer. The fluid compositions can be used as hydraulic fracturing fluids during drilling operations.

A method of thermally shocking a subsurface formation may comprise introducing an endothermic fluid composition into a wellbore fluidly connected to the subsurface formation, the endothermic fluid composition comprising an aqueous solution, ammonium chloride, and sodium hydroxide; reacting the ammonium chloride and sodium hydroxide, thereby decreasing a temperature of the endothermic fluid and producing ammonia; and exposing the reacted endothermic fluid composition to the subsurface formation, thereby thermally shocking at least a portion of the subsurface formation and inducing one or more fractures in the same.

In accordance with some embodiments herein, an apparatus is provided. The apparatus includes a conduit, a first electrode, a second electrode, a power source, a valve, and a controller. The conduit is configured to conduct a mixture along a flow path. The first electrode is placed proximal the flow path defined by the conduit. The second electrode is placed proximal the flow path defined by the conduit. The power source is configured to apply a voltage across the first electrode and the second electrode. The valve is coupled to the conduit and configured to control flow of the mixture through the flow path defined by the conduit. The controller is configured to determine a first capacitance of a first capacitor established by the first electrode, the second electrode, and the mixture flowing along the flow path. The controller controls the valve based upon the first capacitance.

A system for recovering ammonia from an endothermic reaction in a subsurface formation may comprise a subsurface formation; a wellbore fluidly connected to the subsurface formation; a tubing string positioned within the wellbore, wherein the wellbore and an exterior of the tubing string together define a wellbore annulus; a wellhead comprising one or more injection lines and one or more return lines fluidly connected to the wellbore; one or more fluid injection pumps configured to supply an endothermic fluid composition to the subsurface formation through the one or more injection lines and the tubing string, the endothermic fluid composition operable to form ammonia when reacted; and one or more ammonia retention vessels fluidly connected to the return lines for receiving the ammonia through the wellbore annulus.

To provide a composition and a method capable of storing one or more microorganisms in a liquid state for a long period of time at high density without functional deterioration of the microorganisms and while suppressing contamination by other microorganisms.SOLUTION: Provided is a plastic fluid composition comprising: (1) a microorganism; and (2) a polysaccharide or nanofibers made of the polysaccharide, where when the microorganism is a bacterium, the microorganism is contained at a microbial density of at least 1×107 CFU / mL and dispersed in the composition, and when the microorganism is a fungus, the microorganism is contained at a microbial density of at least 1×103 CFU / mL and dispersed in the composition.SELECTED DRAWING: None

Inhibitors of hydrogen embrittlement, which can include a terminal alkene or a terminal alkyne, such as an enyne are described. Compositions, such as treated fluid compositions, that include an inhibitor of hydrogen embrittlement, such as a terminal alkyne or a terminal alkene are described herein. Methods of treating a fluid, generating energy, transporting, or storing a treated fluid are also provided.

A system for recovering ammonia from an endothermic reaction in a subsurface formation may comprise a subsurface formation; a wellbore fluidly connected to the subsurface formation; a tubing string positioned within the wellbore, wherein the wellbore and an exterior of the tubing string together define a wellbore annulus; a wellhead comprising one or more injection lines and one or more return lines fluidly connected to the wellbore; one or more fluid injection pumps configured to supply an endothermic fluid composition to the subsurface formation through the one or more injection lines and the tubing string, the endothermic fluid composition operable to form ammonia when reacted; and one or more ammonia retention vessels fluidly connected to the return lines for receiving the ammonia through the wellbore annulus.

A method for in-line sampling for a medical device includes prompting an operator of a medical device to establish a fluid communication between a fluid component collection set as received by the medical device and a sample system for sample collection, where the medical device prohibits removal of the fluid component collection set or a component thereof from fluid communication with the medical device until sample collection using the sample system is complete and the establishing of fluid communication between the fluid component collection set includes prompting the medical device to interpret a code disposed on an exterior-facing surface of the sample tube.

This disclosure provides certain strong cation-modified ion exchange resins and membranes useful for carrying out the removal of metal and metal ion contaminants in fluid compositions. Filtered liquid compositions with significantly reduced amounts of metals can be used in a microelectronic manufacturing process, such as liquids for removing photoresist. The cation-modified ion exchange resins and membranes of the disclosure can be configured for use in a microelectronic manufacturing system, which can be utilized in the system as a point of use metal-removal feature for liquids entering the system. Advantageously, the filter materials and methods of this disclosure showed considerable improvement in preventing degradation and the formation of color bodies and dimeric and oligomeric materials from ketones (e.g., cyclohexanone) in the liquid compositions while not compromising the filter material's ability to remove undesired metal ions.

This invention discloses a visualized microfluidic experimental device for gas-water-oil-solid-biomass multiphase and multicomponent fluids, comprising a fluid injection device and an experimental platform connected sequentially by pipelines. The fluid injection device includes an experimental pump; a microflow control chip is installed on the experimental platform; the experimental pump and the microflow control chip are connected by pipelines. This device, through the microfluidic chip, can observe in real time the transport patterns of fluids with different gas-water-oil-solid-biomass ratios and different chemical components in pipelines, pores, and fissures during experiments, as well as the particulate matter carrying capacity under different apparent volume ratios of bubbles, different flow velocities, different surfactants, and different fluid composition conditions. Furthermore, using this experimental device, the fluid within the microfluidic chip can be observed with a microscope during experiments, maximally reproducing the original experimental environment, clearly observing the fluid's movement direction and flow interface during the experiment, and dynamically monitoring the experimental dynamics in real time.

An ultrasonic balloon catheter (1), which is introduced into the cardiovascular system and treats stenosis or occlusion of the heart or peripheral blood vessels, is provided with: a flexible catheter tube (11); the balloon (12) is made of an elastic material and provided with an expansion part (121) for expanding and contracting and neck parts (122) arranged at the two ends of the expansion part (121) respectively, the balloon (12) is fixedly arranged on the outer side of the catheter hose (11) through the neck parts (122), and the expansion part (121) and the neck parts (122) form an expansion space on the outer tube wall of the catheter hose (11) so that the fluid composition can be injected into the expansion space from the opening in the outer tube wall; and the ultrasonic probe (13) is arranged in the expansion part (121) of the balloon (12), is sleeved outside the inner pipe fitting (111) and at the opening in the outer pipe wall, and is used for emitting ultrasonic waves and inducing microbubbles in the fluid composition in the expansion space to generate a cavitation erosion effect.

Provided herein are mixed ligand metal organic framework (ML-MOF) materials having rectangular grids characterized by the general formula MaMbF6-n(O / H2O)n(Ligand′)x(Ligand″)y(solvent)z, which are effective for capture of carbon dioxide from a fluid composition.

To provide devices and methods for collecting and characterizing particles suspended within fluid.SOLUTION: A device for detecting fluid particles and their characteristics may comprise a fluid composition sensor configured to receive a volume of fluid. The fluid composition sensor has a collection media housing configured to receive a portion of collection media, a pump for moving the volume of fluid over the collection media housing, an imaging device configured to capture an image of particles on the collection media, and particle matter mass concentration calculation circuitry configured to calculate a total particle matter mass. The particle matter mass concentration calculation circuitry is connected with the imaging device and the pump. The particle matter mass concentration calculation circuitry is configured to adjust the volume of fluid moving over the collection media housing.SELECTED DRAWING: Figure 1

A fluidic geometry to produce uniform oscillating sprays is described. The geometry can be embodied as an insert, housing, or system in which an inlet feeds an interaction chamber. Four islands define the perimeter of an interaction chamber having a cloverleaf-like shape, with five power nozzles positioned symmetrically with narrowing walls feeding into this chamber. The chamber itself has a greater depth than the power nozzles owing to a step, and a fifth island is disposed on the central axis above the throat and beneath the upper-most, central power nozzle. This arrangement exhibits consistent cold and high temperature performance for a range of fluid compositions and operating conditions.

A method of making one or more alkyl thiophosphoric triamides.

A fluid composition capable of exhibiting elastic turbulence when pumped through a flow path that forces a change of direction of a flow line, and comprising a solution of two or more two classes of flexible linear polymers. The first class has an average molecular weight of at least 10 mega Daltons and the second class has an average molecular weight in the range of 0.25 to 5 mega Daltons. The concentration of the first polymer is sufficient to achieve elastic turbulence regardless of the presence of the second class. The concentration of the second class is greater than the concentration of the first class. When flowing to or out of the chamber at low shear, the flow path will cause elastic turbulence, and the second polymer will reduce elastic instability and pressure drop resulting therefrom, thereby reducing pumping energy requirements.

To provide a magnetic viscous fluid composition that, when the magnetic field is turned off, exhibits excellent flowability under high shear and excellent anti-settling properties of magnetic particles over a wide temperature range.SOLUTION: A magnetic viscous fluid composition includes magnetic particles, a base oil, a dispersant, and organically modified bentonite. The organically modified bentonite includes at least one selected from the group consisting of dimethyldialkylammonium and benzyldimethylalkylammonium, and the mass loss in an ignition loss test is 35% or more relative to the total amount of the organically modified bentonite, and the content of the organically modified bentonite is 1.0 to 1.3 mass% relative to the total amount of the magnetic viscous fluid composition.SELECTED DRAWING: None

Aspects of the invention include methods of managing pain in a subject by applying a transdermal delivery device containing a dexmedetomidine composition formulated to deliver a pain relieving effective amount of dexmedetomidine to a subject. In practicing methods according to certain embodiments, a transdermal delivery device having a dexmedetomidine composition is applied to a subject and is maintained in contact with the subject in a manner sufficient to deliver an amount of dexmedetomidine effective to manage pain in the subject. In some embodiments, methods include hydrating the subject, such as by administering a hydration fluid composition to the subject. Methods according to certain embodiments may also include co-administering an opioid to the subject. Also provided is a transdermal delivery device configured to deliver dexmedetomidine sufficient for practicing the subject methods, as well as kits containing the transdermal delivery device.

A fluid dosing substrate dispenser comprises a housing with a first fluid reservoir and / or a first fluid reservoir holder configured to removably receive the first fluid reservoir and a second fluid reservoir and / or a second fluid reservoir holder configured to removably receive the second fluid reservoir. The dispenser includes a substrate advancing mechanism configured to receive substrate from a substrate source and to advance a portion of the substrate through the housing and an application mechanism configured to apply fluid from at least one of the first fluid reservoir or the second fluid reservoir to one or more portions of the substrate. A computing system is configured to select at least one of amount of fluid for application, composition of fluid for application, or portion of the substrate the fluid is applied based on an input received by the computing system indicating the user of the substrate dispenser.

The present disclosure relates to injectable compositions sterile injectable fluid compositions comprising a polysaccharide having a color in the visible spectrum, methods of forming the same, kits containing the same, and methods for performing agent-assisted procedures in a patient using the same.

Methods and systems for producing gas from a subsurface formation through a production well and / or sequestering gas in the subsurface formation through an injection well can include monitoring pressure, temperature, and composition of fluids in the subsurface formation using sensors installed downhole in an injection well. The pressure, the temperature, and the composition of fluids in the subsurface formation can be monitored using sensors installed downhole in the production well(s) and / or observation well(s). This approach can predict a volume of gas injection through required to alter the composition of fluids in the subsurface formation to provide a specific fluid composition in the production well. It can also include injecting the predicted volume of gas through the injection well using pumps associated with the injection well as well as, in some cases, producing the fluids in the subsurface formation to surface.

The present invention relates to a low viscosity functional fluid composition with high dry and wet equilibrium reflux boiling points as well as improved lubricating properties.

Described herein are compositions, kits, methods, and systems for printing metal three-dimensional objects. In an example, described is a binding fluid composition for three-dimensional printing, the composition comprising: an aqueous liquid vehicle comprising at least one diol; and latex polymer particles dispersed in the aqueous liquid vehicle.

In some aspects, the present disclosure provides a method comprising: (a) selectively enriching a first plurality of biomolecule types in a first fluid composition; (b) selectively enriching a second plurality of biomolecule types in a second fluid composition; and (c) performing a downstream assay on biomolecule types of the first plurality of biomolecule types and the second plurality of biomolecule types, wherein the first fluid composition comprises a first pH, and the second fluid composition comprises a second pH, wherein the first pH and the second pH are different or the same. Also disclosed are systems, kits, compositions, and computer-readable media for performing biomolecule assays.

The disclosure relates to compositions and methods that include fluid compositions that include nanoparticles and an oxidizer. The fluid compositions can be used as hydraulic fracturing fluids during drilling operations.

A system for the preparation of fluids for bioprocess and pharmaceutical applications uses one or more flexible bags that are pre-loaded with solid tablets contained therein of various buffer / media / physiological fluid constituents. Examples include salts, acids, bases, preservatives, proteins, amino acids, growth factors, small molecules, and drugs. The flexible bag contains one or more sealed or sealable openings that are used to add water to the interior of the flexible bag as well as remove fluid from the flexible bag. The one or more sealed openings may also be used as an outlet to remove fluid (e.g., buffer) from the flexible bag. The flexible bag may be stored in a deflated state aiding in the storage and / or transport of the flexible bag. Multiple flexible bags may be coupled to a manifold with valves to selectively fill and empty the flexible bags.

The present invention relates to a fluid composition for applying makeup and / or care for keratinous substances, particularly skin, and more specifically the face, and comprises the following: a) At least one oily phase, preferably a continuous phase, comprising at least one synthetic ester-type nonvolatile hydrocarbon oil, b) Porous spherical silica particles and; c) Nonporous silica composite particles; d) Boron nitride particles, e) At least one pigment of the free form titanium dioxide type (CI 77891). (The mass ratio of boron nitride to titanium dioxide is in the range of 0.3 to 1). The present invention also relates to a method for applying and / or caring for keratinous substances, particularly skin, more specifically the face, comprising applying at least one of the compositions described above.

The invention provides a supercritical carbon dioxide fluid component anomaly detection method and system and a medium. The method comprises the following steps: measuring the actual sound velocity of a fluid containing impurity SCO2; the theoretical sound velocity of pure SCO2 is calculated according to a sound velocity-temperature pressure model of pure SCO2 by measuring the temperature and pressure of actual fluid; and calculating the relative deviation between the actual sound velocity of the SCO2 fluid and the theoretical sound velocity of pure SCO2 under the working condition, and if the relative deviation exceeds a set threshold value, judging that the fluid components are abnormal. In view of a linear relationship between the sound velocity of the mixture and the volume fraction of impurities in the mixture, an impurity content calculation algorithm is constructed on the basis of a linear superposition principle, and the algorithm is built in a detection system, so that the impurity content is accurately measured and calculated. For the characteristic that the underground temperature and pressure change range is large, the method breaks through the limitation of the temperature, the pressure and the fluid state, and precise calculation of the theoretical sound velocity of SCO2 and judgment of the impurity content are achieved.