Abstract: A a plant composite corrosion inhibitor for an oil field and a preparation method thereof belong to the technical field of preparation of oil field chemical agents. The plant composite corrosion inhibitor comprises a first plant ingredient, a second plant ingredient, a corrosion inhibition synergist and an organic solvent. The first plant ingredient is zeaxanthin and a derivative thereof obtained by supercritical CO2 extraction of marigold; the second plant ingredient is prepared from luffa leaves, guava leaves and eclipta according to a mass ratio of 5:8:9; the corrosion inhibition synergist is prepared by mixing potassium iodide, 8-hydroxyquinoline and sodium dodecyl benzene sulfonate according to a mass ratio of 3:4:2; and the organic solvent is ethanol with a mass concentration of 82%. The composite corrosion inhibitor has a good corrosion inhibition effect, and reduces harmful chemical ingredients in the corrosion inhibitor.

Abstract: A cell-nanoparticle drug delivery system includes mesenchymal stem cells and gadolinium-based agent-loaded magnetic nanoparticles which are internalized into the mesenchymal stem cells. Each of the gadolinium-based agent-loaded magnetic nanoparticles includes a core that is loaded with gadolinium-based agent and that includes a fucoidan-based inner core layer with the fucoidan non-covalently bound to the gadolinium-based agent, and a shell which includes superparamagnetic iron oxide-based inner shell layer with the superparamagnetic iron oxide bound to the gadolinium-based agent through electrical attraction, and an outer shell layer made of fucoidan and polyvinyl alcohol. Methods for inhibiting the growth of tumor cells and diagnosing the tumor cells in a subject using the cell-nanoparticle drug delivery system are also provided.

Abstract: The present disclosure provides a nanocapsule comprising a hydrophilic core; and a hydrophobic shell enclosing the hydrophilic core. The hydrophobic shell contains an outer layer comprising fucoidan, a middle layer comprising carotenoids and metal oxide nanoparticles, and an inner layer comprising fucoidan and contacting the hydrophilic core. The present disclosure also provides use of the nanocapsule as disclosed herein in the manufacture of a medicament for treating and/or diagnosing diseases in a subject in need thereof.

Abstract: A method for obtaining a plurality of pluripotent adult olfactory stem cells (APOSCs) includes isolating the APOSCs, culturing the isolated APOSCs in a sphere culture medium, and collecting the cultured APOSCs that express Bmi-1 (B-lymphoma moloney murine leukemia virus insertion region-1), Oct-4 (Octamer-binding transcription factor 4), Sox-2 (Sex-determining region Y (SRY)-box 2), Nanog, SSEA-4 (Stage-specific embryonic antigen-4), ki67, c-Myc, KLF-4 (Kruppel Like Factor 4), K14 (Cytokeratin 14) and ICAM-1 (Intercellular Adhesion Molecule 1).

Abstract: A method for obtaining a plurality of pluripotent adult olfactory stem cells (APOSCs) includes isolating the APOSCs, culturing the isolated APOSCs in a sphere culture medium, and collecting the cultured APOSCs that express Bmi-1 (B-lymphoma moloney murine leukemia virus insertion region-1), Oct-4 (Octamer-binding transcription factor 4), Sox-2 (Sex-determining region Y (SRY)-box 2), Nanog, SSEA-4 (Stage-specific embryonic antigen-4), ki67, c-Myc, KLF-4 (Kruppel Like Factor 4), K14 (Cytokeratin 14) and ICAM-1 (Intercellular Adhesion Molecule 1).

Abstract: An immunomagnetic nanocapsule includes a core, a shell and an outer layer. The shell is formed by a complex, and the complex is fabricated by a combination of fucoidan, oxidized dextran, and a plurality of superparamagnetic iron oxide nanoparticles via a hydrophobic interaction. The core is encapsulated in the shell. The outer layer includes at least one antibody immobilized to outside of the shell to form the outer layer, wherein the antibody is an immune checkpoint inhibitor and/or a T cell expansion antibody.

Abstract: A composition including adult pluripotent olfactory stem cells is provided. The adult pluripotent olfactory stem cells are obtained by culturing a cell mixture from an olfactory tissue of a mammal in media containing growth factors and then isolating cells which express B-lymphoma moloney murine leukemia virus insertion region-1 (Bmi-1).

Abstract: An endcap assembly for an electric motor and a stator having same are provided. The endcap assembly includes an endcap, a first wire, and two terminals corresponding to the first wire. The two terminals are fixed to the endcap and configured to connect with corresponding windings of the electric motor. The endcap defines a first accommodating groove extending from one terminal to the other terminal. The first wire is received in the first accommodating groove, and two ends of the first wire are electrically connected to the two terminals, respectively.

Abstract: An electric motor includes a stator and a rotor. The stator includes a stator core, a stator winding, a first insulating frame, a number of first insulating elements, and a number of second insulating elements. The stator core includes a number of teeth. Adjacent teeth form a winding passage defining a winding opening. Each first insulating element is assembled within the corresponding winding passage. Two end portions of each second insulating element are placed over the corresponding winding opening.

Abstract: An immunomagnetic nanocapsule includes a core, a shell and an outer layer. The shell is formed by a complex, and the complex is fabricated by a combination of fucoidan, oxidized dextran, and a plurality of superparamagnetic iron oxide nanoparticles via a hydrophobic interaction. The core is encapsulated in the shell. The outer layer includes at least one antibody immobilized to outside of the shell to form the outer layer, wherein the antibody is an immune checkpoint inhibitor and/or a T cell expansion antibody.

Abstract: A composition including adult pluripotent olfactory stem cells is provided. The adult pluripotent olfactory stem cells are obtained by culturing a cell mixture from an olfactory tissue of a mammal in media containing growth factors and then isolating cells which express B-lymphoma moloney murine leukemia virus insertion region-1 (Bmi-1).

Abstract: A permanent magnet brushless motor has a stator and a rotor. The stator has a yoke and s teeth extending from the yoke, forming a stator core, where s is an integer greater than four. Coils of a stator winding are wound about the teeth. The rotor has a shaft, a rotor core fixed to the shaft and a permanent magnet mounted to the rotor core. The permanent magnet forms p magnetic poles, where p is an even number greater than 2 but less than s. Each section of the permanent magnet corresponding to a respective magnetic pole is divided into n equal parts by n?1 magnet grooves, where n is an integer greater than 1 and p*n is an integral multiple of s. The magnet grooves significantly increase the detent torque of the motor.

Abstract: An endcap assembly for an electric motor and a stator having same are provided. The endcap assembly includes an endcap, a first wire, and two terminals corresponding to the first wire. The two terminals are fixed to the endcap and configured to connect with corresponding windings of the electric motor. The endcap defines a first accommodating groove extending from one terminal to the other terminal. The first wire is received in the first accommodating groove, and two ends of the first wire are electrically connected to the two terminals, respectively.

Abstract: A motor including a motor outer magnetic core and a motor inner magnetic core. The motor outer magnetic core includes an annular yoke and a plurality of teeth. Each tooth includes a tooth body and a pole shoe. The pole shoes of the plurality of teeth cooperatively define a discontinuous inner ring. The motor inner magnetic core is surrounded by the inner ring. The motor inner magnetic core includes a central portion and a plurality of pole portions surrounding an outer side of the central portion. Each of the pole portions and the central portion define a gap therebetween for receiving a permanent magnet. First connecting portions are connected between adjacent ones of the pole portions. Second connecting portions are connected between the first connecting portions and the central portion.

Abstract: A brushless motor includes a stator comprising a stator core with teeth protruding inwardly and windings wound on the teeth, and a rotor comprising a shaft, a rotor core fixed to the shaft, and a ring magnet fixed to the circumferential outer surface of the rotor core. The ring magnet includes a plurality of magnetic poles radially magnetized so that north poles and south poles are arranged alternately in the circumferential direction, boundary lines between adjacent magnetic poles being skewed by an angle ? relative to an axis of the shaft. A plurality of grooves are formed in a circumferential outer surface of the rotor core. Each groove extends from one axial end to the other axial end of the rotor core, has a circumferential width smaller than each of the magnetic poles, and is covered by the ring magnet with a void formed between the groove and the ring magnet.

Abstract: An antibody-conjugated double-emulsion nanocapsule is provided. A linking group is introduced on the surface of a double-emulsion nanocapsule, which is composed of an oily shell enclosing an aqueous core, to link the double-emulsion nanocapsule with an antibody.

Abstract: An anti-forgery label using random protruding elements and a method for manufacturing the same. A substrate with a printed layer thereon is provided. An adhesive layer is coated on the printed layer, and a plurality of protruding elements are randomly distributed and adhered on the printed layer the adhesive layer. The surfaces of the printed layer and the protruding elements are covered with a light-permeable overcoat layer. A corresponding engaging region is formed in each of the protruding elements where it touches the overcoat layer, and a gap region is formed between the overcoat layer and the adhesive layer in proximity to each of the protruding elements. As such, randomly distributed tactile and visual identification features and irregular deformed identification regions are formed.

Abstract: An electric pump has a pump body, a pump magnet received in the pump body, an impeller received in the pump body and fixed to the pump magnet, and a disc type electric motor. The electric motor includes a stator, disc type coils fixed to a surface of the stator, a rotor rotatably positioned above the coils, and a circuit board electrically connected to the coils. The rotor has a rotor magnet positioned beneath the pump body and magnetically coupled to the pump magnet. When the coils are energized, an axial magnetic field is generated to drive the rotor and, through the magnetic coupling between the rotor magnet and the pump magnet, rotate the impeller.

Abstract: A nano-photoacoustic imaging agent is disclosed. The nano-photoacoustic imaging agent includes a porous carrier and a gold filling material embedded in the porous carrier. A method for the preparation of the nano-photoacoustic imaging agent is also provided.

Abstract: A tactile anti-forgery method using random raised structures that generates a plurality of labels that can be attached to predetermined products, and each label has a unique label serial number, a label planar printed pattern and a plurality of raised structures randomly arranged on the surface of the label. The various label serial numbers and their corresponding information including the distribution locations of the corresponding; raised structures are established in a system database. A user can connect to the system database via an application in a mobile device, and input a label serial number of a label to be tested to search for the distribution information of the raised structures corresponding to the label.