Abstract: A method for enhancing the detection of target particles in a sample includes dispensing the sample over a detection chamber of a sensor. The method also includes transmitting acoustic waves from an acoustic transducer to the sample. The method also includes measuring a detection signal from the sensor to identify the target particles in the sample.

Abstract: Disclosed are methods and systems for implementing dynamic control of acoustic fields, which involves the use of machine learning through a Markov Decision Process. The machine learning algorithm monitors an attribute of a system and maintains the attribute within a range by altering a signal sent to an acoustic transducer. The acoustic transducer is configured to alter the attribute of the system. The attribute may be an attribute of the acoustic field produced by the acoustic transducer, or may be an attribute of another element of the system, such as a fluid, a rotor, or a cell mass.

Abstract: This disclosure provides a hemostasis valve, a catheter sheath, and a method for sealing an interventional instrument. The hemostasis valve includes a housing defining a through-region; a sealing membrane disposed in the through-region and having a tubular structure with a lumen configured as an instrument passage; a driving chamber defined between an outer periphery of the sealing membrane and an inner wall of the through-region for filling fluid; and a balancing chamber communicated with the driving chamber and located outside the driving chamber and in the housing. The hemostasis valve includes an energy storage mechanism linked in motion with the fluid, the fluid is linked in motion with the energy storage mechanism via the balancing chamber, the energy storage mechanism is configured for storing or releasing energy when state of the sealing membrane is changed and driving the sealing membrane to close the instrument passage when releasing energy.

Abstract: The present disclosure describes non-PFAS nanofiber barrier layers for protective clothing, including chemical and biological protective suits (CBPS). The barrier layers offer both excellent protection against various hazards and reduced physiological, psychological, and thermal stress.

Abstract: A watermark embedding and extraction method, and an electronic device are provided. The method includes: obtain a plurality of original videos corresponding to a same video content, and a video serial number and a to-be-embedded watermark corresponding to each of the plurality of original videos; for each of the plurality of original videos, dividing the original video according to a first quantity and a second quantity to obtain a frame sequence of the original video; allocating a watermark code for each of the frame sequences according to a timing of each of the frame sequences and an order of each watermark code, and determining a first watermark and a second watermark corresponding to each of the frame sequences according to the watermark code allocated to each of the frame sequences; and adding a target watermark for each sub-unit to obtain a watermark video corresponding to the original video.

Abstract: An electronic device is provided that includes display pixels configured to update at a fixed or variable refresh rate, a backlight unit for illuminating the display pixels, and associated backlight driver circuitry configured to drive the backlight unit and configured to operate in a first reset mode during which a dither counter in the backlight driver circuitry is reset when the display pixels are being refreshed at a fixed refresh rate and in a second non-reset mode during which the dither counter is not reset even when the display pixels are being refreshed at a variable refresh rate. The backlight driver circuitry can include a brightness controller configured to output a brightness code, a memory circuit configured to store a dither table coupled to a dither counter, an adder, a clipping circuit, and a backlight driver.

Abstract: Disclosed is an apparatus, such as an acoustofluidic device, for high-throughput fabrication of multicellular spheroids. The device has a chamber substrate having at least one cell assembly channel; an acoustic transducer; and, a coupling layer disposed between the chamber substrate and the acoustic transducer.

Abstract: A power supply apparatus includes a first power module, a second power module, an energy storage module, and a controller. An output terminal of the first power module is connected in parallel to an output terminal of the second power module, which is then connected to a load, and load dynamic response performance of the second power module is better than load dynamic response performance of the first power module. The energy storage module is connected to the output terminal of the first power module and connected between a midpoint of the load and a reference ground. The energy storage module is configured to store electric energy and supply power to the load. The controller is configured to, in response to the load being in a dynamic change status, control the second power module to supply power to the energy storage module.

Abstract: Disclosed are a routing information transmission method and apparatus, and a communication system, and belong to the field of communication technologies. The routing information transmission method is applied to a system including data middleware and a routing information base (RIB), and the data middleware communicates with the RIB. The data middleware may obtain routing information from the RIB, and send the routing information obtained from the RIB to a third-party consumer device. In addition, the data middleware may also obtain routing information from a third-party producer device, and send the routing information obtained from the third-party producer device to the RIB. Therefore, according to technical solutions provided herein, the routing information included in the RIB is openly exported, and the routing information generated by the third-party producer device is imported into the RIB.

Abstract: The present disclosure relates to the field of batteries, and provides an additive for supplementing lithium or sodium, a preparation method therefor and a use thereof. The additive is mainly prepared from Oxalic acid, a salt, and a catalyst; the salt comprises a lithium salt or a sodium salt; the particle size distribution concentration ratio of the additive for supplementing lithium or sodium satisfies the following expression: 1?(D90?D10)/D50?100; the specific surface area of the additive for supplementing lithium or sodium is S, and S and D10, D50 and D90 of the additive for supplementing lithium or sodium satisfy the following expression: 1?(S/((D90?D10)/D50)?100. The additive provided by the present disclosure is low in decomposition voltage, high in specific capacity, small in particle size, and low in catalyst consumption.

Abstract: A hemostasis valve, a catheter sheath, and a method for sealing an interventional instrument (9), the hemostasis valve comprising a housing (1,100) and a sealing film (2,130) which is installed within the housing (1,100) and which is a tubular structure; an inner cavity (21) of the tubular structure serves as an instrument channel (11,131) and penetrates the housing (1,100); driving chambers (12,150) which are located on the periphery of the sealing film (2,130) and which are used for being filled with a fluid are provided within the housing (1,100); the hemostasis valve further comprises an energy storage mechanism (3) that can link with the fluid; the energy storage mechanism (3) correspondingly stores or releases energy when the state of the sealing film (2,130) changes; and the sealing film (2,130) is driven to seal the instrument channel (11,131) during energy release.

Abstract: A system and method include determination of an error in source program code associated with a source runtime environment, determination of a source code statement of the source program code associated with the error, determination of a similarity between the source code statement and each of a plurality of code statements associated with the source runtime environment, determination, based on the determined similarities, of one of the plurality of code statements which is similar to the source code statement, determination of a first name of a first code portion of the source program code which includes the determined one of the plurality of code statements, determination of a second code portion of program code associated with a target runtime environment and having the first name, and determination of a resolution to the error based on the first code portion and the second code portion.

Abstract: Disclosed herein is a perfusable scaffold for used in a three-dimensional cell culture and method of fabrication of a perfusable three-dimensional cell culture containing a perfusion scaffold. Also disclosed herein are the perfusable three-dimensional cell cultures and uses thereof.

Abstract: Disclosed herein are acoustofluidic transdermal drug delivery devices, systems, and methods for delivering a therapeutic agent to a subject or sampling a biofluid, such as interstitial fluid or blood, from the body of the subject. The disclosed device, systems, and methods involve application of an AC signal, such as radiofrequency, which generates surface acoustic waves (SAWs) upon interacting with the device, thereby inducing a streaming flow capable of enabling transdermal drug delivery or transdermal sampling of a biofluid.

Abstract: The present disclosure is generally related to the fields of biology, inorganic chemistry, organic chemistry, molecular biology, enzymology, chlorinated water treatment processes and the like. More particularly, certain embodiments are related to reducing cyanuric acid concentrations in aqueous liquids, such as chlorinated swimming pool water, chlorinated hot tub water and the like.

Abstract: Disclosed is a system for therapeutic delivery. The system includes a microneedle patch and an acoustic transducer configured to alter the delivery of the therapeutic from the patch. The acoustic parameters may be determined from a therapeutic release model. The system may also be contained within a housing which may be at least partially removed to deliver the therapeutic. The transducer provides control over the delivery of the therapeutic.

Abstract: Embodiments of the present disclosure relate generally to methods used to perform diagnosis and drug screening because the method includes an algorithm that is able to obtain images of immune cells in 3D tissue cultures, analyze such images to create immune cell infiltration maps, automatically score and identify drugs or agents that can be potentially clinically beneficial.

Abstract: The invention relates to improved methods for growing and measuring flattened 3D cell cultures, to the 3D printed scaffolds involved in said methods, and to uses of said 3D cell cultures.