Abstract: An oil field chemical release system for controlled release of an oil field chemical within a hydrocarbon reservoir, well, or wellbore, the oil field chemical release system comprising: a plurality of microcapsules, each microcapsule comprising an oil field chemical and a microencapsulant, wherein the oil field chemical is contained within the microencapsulant; and a continuous bulk polymer matrix, wherein the plurality of microcapsules are disposed within the continuous bulk polymer matrix, wherein the oil field chemical release system is configured to allow the oil field chemical to move through the microencapsulant into the continuous bulk polymer matrix and through the continuous bulk polymer matrix to be released through a surface of the bulk polymer matrix into the hydrocarbon reservoir, well, or wellbore at a controlled rate, and wherein the oil field chemical release system is configured to provide a release profile.

Abstract: Described herein are therapeutic pH responsive compositions comprising a block copolymer and a therapeutic agent useful for the treatment of cancer.

Abstract: Embodiments relate to a layered material (having a substrate, at least a buffer layer, with zero or more growth layers) that has been intercalated via a process that decouples (physically and electronically) the buffer layer from the substrate, thereby resulting in the creation of few-atom thick metal layers that exhibit a range of optical properties, including plasmonic or electronic resonance, that enables superior optical (e.g. Raman) detection of molecules.

Abstract: A cannabidiol-containing hemostatic composition, comprising, in parts by mass, 0.05 to 2 parts of cannabidiol, 2 to 40 parts of Bletilla striata extract, 5 to 40 parts of Panax notoginseng extract, 5 to 40 parts of Corydalis yanhusuo extract, 20-80 parts of polyvinylpyrrolidone, 1-20 parts of poloxamer, 0.01-5 parts of an antioxidant, 0.05-10 parts of polyethylene glycol and 30-120 parts of absolute ethyl alcohol. The hemostatic composition can be used as a liquid bandage for emergency treatment of the surface of a wound on the skin.

Abstract: Described herein are therapeutic pH responsive compositions comprising a block copolymer and a therapeutic agent useful for the treatment of cancer.

Abstract: An antenna device includes an insulating carrier and a first primary antenna having a first feeding-in section, a first auxiliary antenna having a second feeding-in section and a second grounding section, a second primary antenna having a third feeding-in section, a second auxiliary antenna having a fourth feeding-in section and a grounding face which are provided on a face of the carrier. The first primary and auxiliary antennas and the second primary and auxiliary antennas are positioned at two side edges of the carrier which are away from each other. The grounding face is positioned between both the first primary and auxiliary antennas and the second primary and auxiliary antennas. The grounding face is provided with a first grounding section adjacent to the first feeding-in section, a third grounding section adjacent to third feeding-in section and a fourth grounding section adjacent to the fourth feeding-in section.

Abstract: Described herein are therapeutic pH responsive micelle compositions comprising a block copolymer and a biological therapeutic agent useful for the treatment of cancer, methods of making such micelles and intermediate compositions useful for making such micelles.

Abstract: The present disclosure relates to polymers which contain a hydrophobic and hydrophilic segment which is sensitive to pH. In some aspects, the polymers form a micelle which is sensitive to pH and results in a change in fluorescence based upon the particular pH. In some aspects, the disclosure also provides methods of using the polymers for the imaging of cellular or extracellular environment or delivering a drug.

Abstract: Embodiments of the present disclosure relate to multimedia processing method, apparatus, device and medium, wherein the method includes: presenting a first multimedia interface comprising first content; receiving an interface switching request of a user in the first multimedia interface; and switching from the first multimedia interface currently presented to a second multimedia interface, and presenting second content in the second multimedia interface, wherein the first content comprises the second content and other content associated with the second content, and the second content comprises a target audio and a target subtitle corresponding to the target audio.

Abstract: A shielding structure for a system-in-package includes a substrate having stacked first ground planes in the substrate, a second ground plane on a surface of the substrate, and a ground pad arranged along an edge of the substrate disposed on the second ground plane. In addition, ground holes disposed in the substrate electrically couple the adjacent ground planes. The ground holes are arranged in a ring around a board body and spacing between the adjacent ground holes is less than a specified distance in an arrangement that defines a Faraday cage. A device is disposed on the opposing surface of the substrate and a package layer is disposed on the device.

Abstract: The present disclosure relates to polymers which contain a hydrophobic and hydrophilic segment which is sensitive to pH as well as a metal chelating group. In some aspects, the metal chelating group is chelated to a metal ion capable of positron emission. In some aspects, the polymers form a micelle which is sensitive to pH and results in a change in fluorescence based upon the particular pH. In some aspects, the disclosure also provides methods of using the polymers for the imaging of cellular or extracellular environment or delivering a drug.

Abstract: This application relates to methods and apparatus for power limiting for amplifiers. An amplifier is configured to receive an input supply voltage and to draw, in use, an amplifier input current resulting in an amplifier input power. A power limiter is configured to monitor an indication of the amplifier input power, determine a first signal limit based on said indication of the amplifier input power and a pre-set limit and apply regulation to the input signal to provide a regulated input signal for input to the amplifier that does not exceed the first signal limit.

Abstract: The present disclosure relates to polymers which contain a hydrophobic and hydrophilic segment which is sensitive to pH. In some aspects, the polymers form a micelle which is sensitive to pH and results in a change in fluorescence based upon the particular pH. In some aspects, the disclosure also provides methods of using the polymers for the imaging of cellular or extracellular environment or delivering a drug.

Abstract: An oil field chemical release system for controlled release of an oil field chemical within a hydrocarbon reservoir, well, or wellbore, the oil field chemical release system comprising: a plurality of microcapsules, each microcapsule comprising an oil field chemical and a microencapsulant, wherein the oil field chemical is contained within the microencapsulant; and a continuous bulk polymer matrix, wherein the plurality of microcapsules are disposed within the continuous bulk polymer matrix, wherein the oil field chemical release system is configured to allow the oil field chemical to move through the microencapsulant into the continuous bulk polymer matrix and through the continuous bulk polymer matrix to be released through a surface of the bulk polymer matrix into the hydrocarbon reservoir, well, or wellbore at a controlled rate, and wherein the oil field chemical release system is configured to provide a release profile.

Abstract: Described herein are formulations, methods, and pH responsive compositions useful for the detection of primary and metastatic tumor tissues.

Abstract: Described herein are therapeutic pH responsive compositions comprising a block copolymer and a therapeutic agent useful for the treatment of cancer.

Abstract: Described herein are therapeutic pH responsive compositions comprising a block copolymer and a therapeutic agent useful for the treatment of cancer.

Abstract: A low profile dual-frequency antenna device comprises an insulative carrier having a first surface and a second surface which are opposite and a conductor unit, the conductor unit comprises a first conductor which is provided to the first surface and a second conductor which is provided to the second surface and connected with the first conductor, a first radiation slot as a low frequency slot antenna is formed between the first conductor and the second conductor, the first conductor is formed with a second radiation slot, a third radiation slot which is communicated with the first radiation slot and the second radiation slot, a fourth radiation slot and a fifth radiation slot, and the third radiation slot, the fourth radiation slot and the fifth radiation slot together constitute a high frequency slot antenna, the second radiation slot decides an impedance and a resonance frequency width of each antenna, a first side edge and a second side edge is oppositely positioned at a location where the second radiatio

Abstract: An oil field chemical-carrying material comprising polymeric particles and a process for making the same are disclosed. An oil field chemical is integrally incorporated into the granulated particle. The oil field chemical is in particular a tracer and the particle is in particular a proppant for use in hydraulic fracturing of a subterranean formation. Methods of delivering oil field chemicals, methods of monitoring subterranean formations, methods of tracing flow of fluid from hydrocarbon reservoirs and methods of hydraulic fracturing subterranean formations are also disclosed.