Abstract: The present disclosure relates to a method for activating a crop seed by high-voltage electric field cold plasma (HVCP), and use thereof, belonging to the technical field of crop planting. The present disclosure provides a method for activating a crop seed by HVCP, including the following steps: (1) mixing a crop seed with water and immersing the crop seed in water for 4 h to 24 h to obtain an immersed crop seed; and (2) conducting discharge activation on the immersed crop seed at a voltage of 80 kV to 130 kV to obtain an activated crop seed. In the present disclosure, the method can improve heat-resistant and disease-resistant properties of crops, and provide a scientific basis for subsequent acquisition of excellent seeds.

Abstract: A hormone-free culture method for a citrus shoot tip is provided according to the following steps: (1) selecting a citrus branch to make an explant; (2) washing with sterile water after disinfection; (3) inserting the explant into a Murashige and Skoog (MS) solid medium and culturing to produce a branch with new buds; (4) preparing a Murashge and Tucker (MT) liquid medium solution, where a mass concentration of sucrose is 7-8%; (5) removing an outer leave of the new bud, cutting and taking a shoot tip, and inoculating in a liquid medium for primary culture; (6) selecting a seed of a trifoliate orange or a citrange and peeling off a testa; washing with the sterile water after disinfection; (7) inoculating a resulting seed into a test tube containing the MS solid medium and culturing in dark to obtain an etiolated seedling; (8) cutting a T-shaped incision and placing the shoot tip in a middle of the T-shaped incision to obtain a grafted seedling; and (9) grafting culture, and then conducting a secondary graftin

Abstract: Provided are a culture medium and a culture method for human primary acute myeloid leukemia cells. The culture medium for human primary acute myeloid leukemia cells contains a glutamine additive, non-essential amino acids, human interleukin-6, human interleukin-7, human interleukin-3, recombinant human FLT3 Ligand, a recombinant human macrophage colony stimulating factor and a human stem cell factor. Acute myeloid leukemia cells can be cultured with higher amplification efficiency and longer in-vitro culture time by using the culture medium and culture method. Also provided are human primary acute myeloid leukemia cells cultured in vitro by using the culture medium, and the use thereof for curative effect evaluation and screening of drugs.

Abstract: Some embodiments of this disclosure include apparatuses and methods for accessing a communication frequency channel by a first communication system during a first time interval, and accessing the communication frequency channel by a second communication system during a second time interval adjacent to the first time interval. The first communication system communicates using cellular communication techniques, and the second communication system communicates using IEEE 802.11 based communication techniques.

Abstract: A hormone-free culture method for a citrus shoot tip is provided, including: (1) selecting a citrus branch to make an explant; (2) washing with sterile water after disinfection; (3) inserting the explant into a Murashige and Skoog (MS) solid medium and culturing to produce a branch with new buds; (4) preparing a Murashge and Tucker (MT) liquid medium solution; (5) taking a shoot tip, and inoculating in a liquid medium for primary culture; (6) selecting a seed of a trifoliate orange or a citrange and peeling off a testa; washing with the sterile water after disinfection; (7) inoculating a resulting seed into a test tube containing the MS solid medium to obtain an etiolated seedling; (8) cutting a T-shaped incision and placing the shoot tip in a middle of the T-shaped incision to obtain a grafted seedling; and (9) conducting a secondary grafting.

Abstract: Chemical sensors and methods of forming and making the same include an input terminal and an output terminal. A negative capacitance structure is configured to control a current passing horizontally from the input terminal to the output terminal, and has a first and second metal layer that are arranged vertically with respect to one another, and a ferroelectric layer positioned between the first and second metal layers. An electrode is in electrical contact with the negative capacitance structure, and is configured to change potential, to exceed a threshold, thereby triggering a discontinuous polarization change in the negative capacitance structure.

Abstract: A microscope apparatus includes light source configured to generate an illuminating beam. The microscope apparatus further includes a first beam splitter configured to split the illuminating beam into a first component along a first path and a second component along a second path. The microscope apparatus further includes a movable reflector module along the second path. The microscope apparatus further includes a moving mechanism connected to the movable reflector module, wherein the moving mechanism is configured to move the movable reflector in a first direction for adjusting a length of the second path. The microscope apparatus further includes a second beam splitter configured to recombine the first component and the second component. The microscope apparatus further includes an observing device configured to receive the recombined first component and second component.

Abstract: A method for forming a nanostructure includes coating an exposed surface of a base layer with a patterning layer. The method further includes forming a pattern in the patterning layer including nano-patterned non-random openings, such that a bottom portion of the non-random openings provides direct access to the exposed surface of the base layer. The method also includes depositing a material in the non-random openings in the patterning layer, such that the material contacts the exposed surface to produce repeating individually articulated nano-scale features. The method includes removing remaining portions of the patterning layer. The method further includes forming an encapsulation layer on exposed surfaces of the repeating individually articulated nanoscale features and the exposed surface of the base layer.

Abstract: An apparatus and a method for allocating wireless channels are disclosed. For example, the method, by an aggregator, aggregates sensed information received from a plurality of sensing devices, by an analyzer, analyzes the sensed information that is aggregated and determines when an incumbent is not detected based on the analysis, and allocates, by a channel allocator, a wireless channel of the targeted frequency spectrum to a user equipment when the incumbent is not detected.

Abstract: The present disclosure relates to a method of identifying an individual having non-small cell lung carcinoma as to be treated by chemotherapy based on marker molecules cytokeratin-19 fragments (CYFRA 21-1) and carcinoembryonic antigen (CEA) as well as the use of the marker molecules for the identification of an individual to be treated by chemotherapy.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for tracking a product item in an automated-checkout store. One of the methods includes receiving, by a computer system, data collected by multiple image sensors, the received data including data associated with a person, identifying, by the computer system based on the received data, multiple features of the person, extracting, by the computer system based on the identified features, data associated with the person from the received data, wherein the extracted data correspond to multiple time periods, and determining, by the computer system, a location of the person in each of the time periods based on the extracted data corresponding to the time period, wherein the determining includes aggregating the extracted data collected by different image sensors based at least in part on a location and a line of sight of each of the image sensors.

Abstract: Some embodiments of this disclosure include apparatuses and methods for accessing a communication frequency channel by a first communication system during a first time interval, and accessing the communication frequency channel by a second communication system during a second time interval adjacent to the first time interval. The first communication system communicates using cellular communication techniques, and the second communication system communicates using IEEE 802.11 based communication techniques.

Abstract: Chemical sensors include a functionalized electrode configured to change surface potential in the presence of an analyte. A piezoelectric element is connected to the functionalized electrode. A piezoresistive element is in contact with the piezoelectric element.

Abstract: Techniques for Implementation of keeping data integrity in multiple dimensions are described. A single but relatively complicated engine is used to encode a line of original data bits in one dimension once and for all, while a linear array of simple engines are used in another dimension to keep revising sets of redundant data bits for successive lines of original data bits, where the redundant data bits become final when a last line of original data bits is accessed.

Abstract: Examples provide an access node controller, an apparatus for an access node, an access node for a mobile communication system, a mobile communication system, method and computer program for an access node. The access node controller is configured to determine one or more transmission parameters for a first access node of a mobile communication system. The mobile communication system further comprises a second access node. The access node controller comprises one or more interfaces configured to obtain priority area information of the second access node. The second access node has priority access in the priority area compared to the first access node. The access node controller comprises a control module configured to control the one or more interfaces and configured to determine the one or more transmission parameters for the first access node based on the priority area information of the second access node and based on an access condition at a priority area boundary.

Abstract: An apparatus and a method for allocating wireless channels are disclosed. For example, the method, by an aggregator, aggregates sensed information received from a plurality of sensing devices, by an analyzer, analyzes the sensed information that is aggregated and determines when an incumbent is not detected based on the analysis, and allocates, by a channel allocator, a wireless channel of the targeted frequency spectrum to a user equipment when the incumbent is not detected.

Abstract: Methods of using and making chemical sensors include exposing a functionalized electrode to a substance to be tested. The functionalized electrode is electrically connected to a sensor having a piezoelectric element and a piezoresistive element. A voltage on the functionalized electrode controls a resistance of the piezoresistive element. A current is measured passing through the piezoresistive element. The presence of the analyte is determined based on the measured current.

Abstract: Chemical sensors and methods of forming and making the same include a semiconductor substrate having an input terminal and an output terminal. A negative capacitance structure is positioned on the semiconductor substrate and is configured to control a current passing from the input terminal to the output terminal. A functionalized electrode is in electrical contact with the negative capacitance structure and is configured to change surface potential in the presence of an analyte, such that a phase change in the negative capacitance structure is triggered when the surface potential exceeds a threshold.