Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly. The surface cleaning apparatus is further provided with a brushroll and a fluid delivery system comprising a fluid supply chamber and a fluid dispenser configured to dispense fluid to the brushroll.

Abstract: The present application provides a perovskite solar cell, including conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode, where a passivation layer may be disposed between the hole transport layer and the perovskite layer, and the passivation layer may include an amide and/or a cation thereof, where the amide may include a compound of formula (1) and/or formula (2): where R1 and R2 are each independently selected from hydrogen, —R, —NR2, —NHR, —NH2, —OH, —OR, —NHCOR, —OCOR, and —CH2COOH, where R represents a straight or branched chain alkyl group having 1-10 carbon atoms, m is an integer of 0 to 10; and n is an integer of 1 to 10; and where Ar is selected from a C5-C10 aryl or heteroaryl group.

Abstract: The present disclosure relates to an automatic seedling taking and separation system for substrate block seedlings. The automatic seedling taking and separation system includes a seedling taking device, a seedling delivery device, and two seedling separation devices; the seedling taking device conveys substrate block seedlings on a seedling tray to the seedling delivery device in rows; the seedling delivery device divides a row of substrate block seedlings into two parts and conveys the substrate block seedlings to the two seedling separation devices; and the seedling separation devices perform single-seedling separation through seedling separation mechanisms. The present disclosure can automatically take and separate vegetable substrate block seedlings, thus improving the working efficiency.

Abstract: The present disclosure provides for a membrane comprising a substrate, an interlayer, and a polymer layer, wherein the interlayer is disposed on a surface of the substrate and the polymer layer is disposed on a surface of the interlayer opposite the substrate, further wherein the substrate comprises a thermoplastic, the interlayer comprises a two-dimensional nanomaterial and cellulose nanocrystals (CNC), and the layer comprises a polymer. Further provided herein is a method of water filtration comprising filtering a water mixture through the membrane as disclosed herein. Additionally, a method of separating a first solute and a second solute is provided. Further provided herein is a method of per- and polyfluoroalkyl substance (PFAS) removal comprising filtering a substance comprising PFAS through the membrane as disclosed herein, resulting in a retentate and a permeate.

Abstract: Provided herein are antibacterial compounds, wherein the compounds in some embodiments have broad spectrum bioactivity. In various embodiments, the compounds act by inhibition of bacterial type 1 signal peptidase (SpsB), an essential protein in bacteria. Pharmaceutical compositions and methods for treatment using the compounds described herein are also provided.

Abstract: Provided herein are antibacterial compounds, wherein the compounds in some embodiments have broad spectrum bioactivity. In various embodiments, the compounds act by inhibition of bacterial type 1 signal peptidase (SpsB), an essential protein in bacteria. Pharmaceutical compositions and methods for treatment using the compounds described herein are also provided.

Abstract: The present invention provides a method for detecting Brucella infection, i.e., a serum and blood cell synchronous detection method. The detection method comprises two operation steps of serum sample detection and living blood cell sample detection and uses a supporting kit. The kit can be used for pretreatment of blood samples for clinically detecting Brucella in vitro. The serum and blood cell synchronous detection method can be used for early clinical rapid diagnosis of Brucella infection and medication guidance in the treatment process, and can also be used for prognosis, epidemiological survey of brucellosis, etc. The present invention can also be used for early clinical rapid diagnosis of other intracellular parasitic infection.

Abstract: According to the invention, there is provided seed and plants of the hybrid corn variety designated CH011123. The invention thus relates to the plants, seeds and tissue cultures of the variety CH011123, and to methods for producing a corn plant produced by crossing a corn plant of variety CH011123 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH011123.

Abstract: According to the invention, there is provided seed and plants of the corn variety designated CV787354. The invention thus relates to the plants, seeds and tissue cultures of the variety CV787354, and to methods for producing a corn plant produced by crossing a corn plant of variety CV787354 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety CV787354 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety CV787354.

Abstract: According to the invention, there is provided seed and plants of the hybrid corn variety designated CH011139. The invention thus relates to the plants, seeds and tissue cultures of the variety CH011139, and to methods for producing a corn plant produced by crossing a corn plant of variety CH011139 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH011139.

Abstract: According to the invention, there is provided seed and plants of the hybrid corn variety designated CH011149. The invention thus relates to the plants, seeds and tissue cultures of the variety CH011149, and to methods for producing a corn plant produced by crossing a corn plant of variety CH011149 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH011149.

Abstract: According to the invention, there is provided seed and plants of the hybrid corn variety designated CH011123. The invention thus relates to the plants, seeds and tissue cultures of the variety CH011123, and to methods for producing a corn plant produced by crossing a corn plant of variety CH011123 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH011123.

Abstract: According to the invention, there is provided seed and plants of the hybrid corn variety designated CH011139. The invention thus relates to the plants, seeds and tissue cultures of the variety CH011139, and to methods for producing a corn plant produced by crossing a corn plant of variety CH011139 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH011139.

Abstract: According to the invention, there is provided seed and plants of the hybrid corn variety designated CH011149. The invention thus relates to the plants, seeds and tissue cultures of the variety CH011149, and to methods for producing a corn plant produced by crossing a corn plant of variety CH011149 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH011149.

Abstract: According to the invention, there is provided seed and plants of the corn variety designated CV787354. The invention thus relates to the plants, seeds and tissue cultures of the variety CV787354, and to methods for producing a corn plant produced by crossing a corn plant of variety CV787354 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety CV787354 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety CV787354.

Abstract: Systems and methods for high-resolution STAGE imaging can include acquisition of relatively low-resolution k-space datasets with two separate multi-echo GRE sequences. The multi-echo GRE sequences can correspond to separate and distinct flip angles. Various techniques for combining the low-resolution k-space datasets to generate a relatively high-resolution k-space are described. These techniques can involve combining low-resolution k-space datasets associated with various echo types. The STAGE imaging approaches described herein allow for rapid imaging, enhanced image resolution with relatively small or no increase in MR data acquisition time.

Abstract: Systems and methods for high-resolution STAGE imaging can include acquisition of relatively low-resolution k-space datasets with two separate multi-echo GRE sequences. The multi-echo GRE sequences can correspond to separate and distinct flip angles. Various techniques for combining the low-resolution k-space datasets to generate a relatively high-resolution k-space are described. These techniques can involve combining low-resolution k-space datasets associated with various echo types. The STAGE imaging approaches described herein allow for rapid imaging, enhanced image resolution with relatively small or no increase in MR data acquisition time.

Abstract: Systems and methods for high-resolution STAGE imaging can include acquisition of relatively low-resolution k-space datasets with two separate multi-echo GRE sequences. The multi-echo GRE sequences can correspond to separate and distinct flip angles. Various techniques for combining the low-resolution k-space datasets to generate a relatively high-resolution k-space are described. These techniques can involve combining low-resolution k-space datasets associated with various echo types. The STAGE imaging approaches described herein allow for rapid imaging, enhanced image resolution with relatively small or no increase in MR data acquisition time.

Abstract: The present disclosure provides a method for manufacturing a graphene-metal composite wire. The method includes: (1) growing graphene on a surface of a metal wire through a chemical vapor deposition process; (2) twisting the wire; (3) pretensioning and pre-straining the wire; (4) cold-drawing the wire; and (5) subjecting the wire to a chemical vapor deposition process, wherein the wire is subjected to steps (2) to (5) successively and cycled n times, wherein f wires obtained in step (1) are used in the first cycle, f wires obtained from previous cycle are used in subsequent cycle, and finally a graphene-metal composite wire with fn strands is obtained, and wherein (a) f is an integer of 2-9; and (b) n is an integer of 6 or more.

Abstract: Provided herein are antibacterial compounds, wherein the compounds in some embodiments have broad spectrum bioactivity. In various embodiments, the compounds act by inhibition of bacterial type 1 signal peptidase (SpsB), an essential protein in bacteria. Pharmaceutical compositions and methods for treatment using the compounds described herein are also provided.