Abstract: The present disclosure discloses a 1-carboxy-2-hydroxy-3-iminopropane and an extraction method thereof, and belongs to the technical fields of food, health food and medicine.

Abstract: The present disclosure belongs to the technical field of analytical chemistry, in particular to synthesis and application of a nanomaterial for removal of patulin (Pat). The present disclosure adopts 2-Oxin as a substitute template, AM as a functional monomer, and synthetic Fe3O4@SiO2@CS-GO magnetic nanoparticles as a carrier, for preparing a magnetic MIP specific for Pat adsorption by surface imprinting. The addition of Fe3O4 makes the finally prepared molecular imprinted adsorbent material magnetic, thereby facilitating separation of a material from a matrix, eliminating complicated operation steps such as filtration and centrifugation, and facilitating recovery of materials.

Abstract: The present invention discloses a time-resolved immunoquantitation test strip for detecting tetrodotoxin (TTX) in shellfish food, which belongs to the technical field of rapid detection of time-resolved immunoassay. In the present invention, fluorescent microspheres are adopted to replace the traditional colloidal gold; the fluorescent microsphere is used for labeling a TTX antibody complex; by utilizing a competitive immunization method, the fluorescent microsphere, serving as a fluorescent probe, is used for immunochromatography; and by reading the fluorescence value of a detection line on a fluoroimmunoassay instrument, the TTX in shellfish samples can be analyzed quantitatively and rapidly. The time-resolved immunoquantitation test strip of the present invention can be used for detecting the content of the TTX in various types of shellfish food quantitatively and rapidly and is strong in specificity and high in sensitivity, wherein when the concentration of the TTX is 0.

Abstract: The disclosure provides a single-cell-based electrochemical sensor based on a functionalized nano-probe and an application thereof, and belongs to the technical fields of electrochemical sensors and toxin detection. The single-cell-based electrochemical sensor of the disclosure combines a nano-probe and an electrochemical cell-based sensor, conducts functional modification on the nano-probe using Prussian blue, and conducts current signal analysis on a single cell by a micro-operating platform. The disclosure constructs a reliable, easy to operate and highly repeatable single-cell-based electrochemical detection platform, and the current value is determined by electrochemical chronoamperometry to determine damage of a single cell stimulated by toxins, thereby quickly and effectively evaluating the cytotoxicity of fungal toxins, and further enabling application of the fungal toxin toxicity in real-time monitoring and nano-environmental detection in living cells.

Abstract: The disclosure discloses a method for separating phenolic acid glucoside compounds from Diaphragma juglandis Fructus, belonging to the technical field of food. The method includes the following steps: (1) extraction: crushing Diaphragma juglandis Fructus, and then extracting by using ethanol to obtain walnut ethanol extract; and (2) separation: performing column chromatography on the walnut ethanol extract obtained in step (1), sequentially eluting by using ethanol of different concentrations, purifying and eluting repeatedly, and performing separation to obtain phenolic acid glucoside compounds. The phenolic acid glucoside compounds are 2-hydroxyl-5-methoxylphenyl-O-?-D-glucopyranoside, 6-hydroxylnaphthyl-1,2-di-O-?-D-glucopyranoside and 2,6-dihydroxynaphthyl-O-?-D-glucopyranoside. Pharmacological experiments confirm that the three compounds have good antioxidant activity.

Abstract: The present disclosure discloses a 1-carboxy-2-hydroxy-3-iminopropane and an extraction method thereof, and belongs to the technical fields of food, health food and medicine.

Abstract: The disclosure relates to a cell electrochemical sensor based on a 3D printing technology and application thereof and belongs to the technical field of electrochemical sensors and toxin detection. The cell electrochemical sensor of the disclosure is constructed based on a 3D printing technology, and the construction method comprises the following steps: precisely depositing a cell/carbon nanofiber/GelMA composite hydrogel on a working electrode of a screen-printed carbon electrode through 3D printing, and carrying out curing to obtain the cell electrochemical sensor. The disclosure constructs a cell electrochemical sensor with a three-dimensional cell growth environment and rapid and sensitive response. The cell electrochemical sensor constructed by the disclosure can be used for quickly and effectively determining the combined effect type and effect degree of deoxynivalenol family toxins by combining an electrochemical impedance method and a combination index method.

Abstract: The disclosure discloses a method for separating phenolic acid glucoside compounds from Diaphragma juglandis Fructus, belonging to the technical field of food. The method includes the following steps: (1) extraction: crushing Diaphragma juglandis Fructus, and then extracting by using ethanol to obtain walnut ethanol extract; and (2) separation: performing column chromatography on the walnut ethanol extract obtained in step (1), sequentially eluting by using ethanol of different concentrations, purifying and eluting repeatedly, and performing separation to obtain phenolic acid glucoside compounds. The phenolic acid glucoside compounds are 2-hydroxyl-5-methoxylphenyl-O-?-D-glucopyranoside, 6-hydroxylnaphthyl-1,2-di-O-?-D-glucopyranoside and 2,6-dihydroxynaphthyl-O-?-D-glucopyranoside. Pharmacological experiments confirm that the three compounds have good antioxidant activity.

Abstract: This invention provides compositions comprising coated particles comprising silicon in which the coating is comprised of carbon and one or more lithium silicates, the coated particles comprising silicon having a carbon content of about 0.10 wt % or more and a lithium content of about 1 wt % or more, relative to the total weight of the coated particle. Processes for preparing these compositions are also provided.

Abstract: The disclosure relates to a cell electrochemical sensor based on a 3D printing technology and application thereof and belongs to the technical field of electrochemical sensors and toxin detection. The cell electrochemical sensor of the disclosure is constructed based on a 3D printing technology, and the construction method comprises the following steps: precisely depositing a cell/carbon nanofiber/GelMA composite hydrogel on a working electrode of a screen-printed carbon electrode through 3D printing, and carrying out curing to obtain the cell electrochemical sensor. The disclosure constructs a cell electrochemical sensor with a three-dimensional cell growth environment and rapid and sensitive response. The cell electrochemical sensor constructed by the disclosure can be used for quickly and effectively determining the combined effect type and effect degree of deoxynivalenol family toxins by combining an electrochemical impedance method and a combination index method.

Abstract: The disclosure relates to a zearalenone-deoxynivalenol dual-channel immunoquantitative test strip and belongs to the technical field of immunoassay rapid detection. The disclosure prepares fluorescent probes by labeling with fluorescent microspheres, including a fluorescent microsphere-zearalenone monoclonal antibody, a fluorescent microsphere-deoxynivalenol monoclonal antibody and a fluorescent microsphere-goat anti-mouse second antibody. A zearalenone artificial antigen, a fluorescent microsphere artificial antigen and a goat anti-mouse second antibody are respectively sprayed on a nitrocellulose membrane to serve as a detection line T1, a detection line T2 and a quality control line C to prepare the immunochromatographic test strip; a competitive immunoassay method is adopted, and zearalenone and deoxynivalenol in samples are quantitatively analyzed at the same time by reading fluorescence values of the detection lines on a fluorescence immunoanalyzer.

Abstract: Methods are provided for prelithiating an electrode by contacting the electrode with a plurality of particles of one or more LixSiy alloys having specified lithium content and particle sizes.

Abstract: The present disclosure belongs to the technical field of analytical chemistry, in particular to synthesis and application of a nanomaterial for removal of patulin (Pat). The present disclosure adopts 2-Oxin as a substitute template, AM as a functional monomer, and synthetic Fe3O4@SiO2@CS-GO magnetic nanoparticles as a carrier, for preparing a magnetic MIP specific for Pat adsorption by surface imprinting. The addition of Fe3O4 makes the finally prepared molecular imprinted adsorbent material magnetic, thereby facilitating separation of a material from a matrix, eliminating complicated operation steps such as filtration and centrifugation, and facilitating recovery of materials.

Abstract: An energy storage device having a cathode comprised of one or more layers that are comprised of a halogenated activated carbon, an anode comprised of one or more layers that are comprised of a halogenated graphene, and a lithium ion source. Related methods of forming a cathode or forming an energy storage device are further described.

Abstract: This invention provides process for forming a binder slurry, which process comprises: A) mixing halogenated graphene nanoplatelets and one or more polar solvents to form a nanoplatelet slurry, and combining the nanoplatelet slurry and one or more binders to form a binder slurry; or B) combining i) a nanoplatelet slurry comprising halogenated graphene nanoplatelets in a polar solvent with ii) one or more binders to form a binder slurry. The halogenated graphene nanoplatelets comprise graphene layers and are characterized by having, except for the carbon atoms forming the perimeters of the graphene layers of the nanoplatelets, (a) graphene layers that are free from any element or component other than sp2 carbon, and (b) substantially defect-free graphene layers, wherein the total content of halogen in the nanoplatelets is about 5 wt % or less calculated as bromine and based on the total weight of the nanoplatelets.

Abstract: Halogenated graphene nanoplatelets that are characterized by having, except for the carbon atoms forming the perimeters of the graphene layers of the nanoplatelets, (i) graphene layers that are free from any element or component other than sp2 carbon, and (ii) substantially defect-free graphene layers; the total content of halogen in the nanoplatelets is about 5 wt % or less calculated as bromine and based on the total weight of the nanoplatelets. Processes for producing such nanoplatelets and various end uses for such nanoplatelets are also described. Halogenated exfoliated graphite having a total content of halogen of about 5 wt % or less calculated as bromine and based on the total weight of the halogenated exfoliated graphite and processes for producing the halogenated exfoliated graphite are also provided.

Abstract: Thermally-activated cellulosic-based carbon is rendered more thermally stable by exposure to a halogen and/or a halogen-containing compound. Such treated cellulosic-based carbon is suitable for use in mitigating the content of hazardous substances in flue gases, especially flue gases having a temperature within the range of from about 100° C. to about 420° C.

Abstract: This invention provides methods for reducing emissions of mercury from a cement plant comprising at least a kiln (6), a particulate collection device (10), collected particulates, an exhaust gas stream (8b), a heater, and a mercury scrubber, wherein the heater and mercury scrubber are upstream from the kiln. The methods comprise directing the collected particulates through the heater, to form volatilized mercury species from the collected particulates; directing the collected particulates from the heater downstream toward the kiln; and directing the volatilized mercury species to the mercury scrubber. The exhaust gas stream (8c) exits the particulate collection device and is not directed into the heater. Optional steps include injecting a mercury sorbent at one or more points between the kiln and the particulate collection device.

Abstract: Thermally-activated cellulosic-based carbon is rendered more thermally stable by exposure to a halogen and/or a halogen-containing compound. Such treated cellulosic-based carbon is suitable for use in mitigating the content of hazardous substances in flue gases, especially flue gases having a temperature within the range of from about 100° C. to about 420° C.

Abstract: Thermally-activated cellulosic-based carbon is rendered more thermally stable by exposure to a halogen and/or a halogen-containing compound. Such treated cellulosic-based carbon is suitable for use in mitigating the content of hazardous substances in flue gases, especially flue gases having a temperature within the range of from about 100° C. to about 420° C.