Patent application number | Description | Published |
20100130750 | Benzocarbazole-intercalated layered double hydroxides composite luminescent material and its preparation method - The present invention discloses a benzocarbazole-intercalated layered double hydroxides (LDHs) composite luminescent material and its preparation method. The detailed procedure comprises preparing divalent and trivalent metal cation solution A and glycol solution B of sodium 2-hydroxy benzo[a]carbazole-3-carboxylate, mixing the solutions A and B to obtain solution C, slowly adding the prepared NaOH solution dropwise into the solution C, regulating pH of the resultant after dropwise addition to obtain slurry D, allowing the slurry D to react under water bath or microwave temperature-controlled heating condition, centrifuging and washing the obtained product, and drying in vacuum to obtain 2-hydroxy benzo[a]carbazole-3-carboxylate anion intercalated LDHs composite material. The method implements the immobilization of sodium 2-hydroxy benzo[a]carbazole-3-carboxylate, effectively improves thermal stability of the luminescent dye molecules, and reduces fluorescence quenching caused by aggregation of the dye molecules. | 05-27-2010 |
20100219378 | Preparation method of composite luminescent thin film of sulfonated poly (p-phenylene) and layered double hydroxides - The present invention provide a preparation method of composite blue luminescent thin film of sulfonated poly(p-phenylene) (i.e. poly[2,5-bis(3-sulfonatopropoxy)-1,4-phenylene-alt-1,4-phenylene]) and LDHs (Layered Double Hydroxides). The preparation method comprises following steps: preparing delaminated LDHs colloidal solution using formamide solvent, preparing sulfonated poly(p-phenylene) aqueous solution, performing alternate assembling on hydrophilically treated substrate in the two solutions to give the composite thin film of sulfonated poly(p-phenylene)/LDHs multilayer. The present invention has the advantages of simple preparation process, and film thickness controllable at nanoscale precision; the invention also achieves the immobilization of luminescent polymer via restricted space among LDHs layers and host-guest interaction, effectively improves thermal stability, and reduces fluorescence quenching caused by aggregation. | 09-02-2010 |
20110193012 | METHOD FOR PREPARING CATHODE ACTIVE MATERIAL OF LITHIUM BATTERY - A method for preparing a spinel type lithium manganese oxide cathode active material, includes providing a number of manganese dioxide hollow spheres and a lithium source powder, mixing the manganese dioxide hollow spheres and the lithium source powder in a liquid medium to achieve a mixture, drying the mixture to remove the liquid medium to achieve a precursor, and sintering the precursor at a sintering temperature of about 600° C. to about 800° C. for about 3 hours to about 10 hours, to achieve a number of spinel type lithium manganese oxide hollow spheres. | 08-11-2011 |
20120002505 | METHOD AND APPARATUS FOR SEPARATING AND COMPOSING SEISMIC WAVES - An approach is provided for a multi-component seismic data processing that separates P-type and S-type seismic waves in an affine coordinate system. A method for separating and composing seismic waves comprises: determining base vectors of the seismic waves; transforming and separating the seismic wave in an affine coordinate system; and obtaining a signal with true amplitudes and eliminating a mode leakage phenomenon. Therefore, the method achieves the wave separation and recovers the amplitudes of separated waves simultaneously, which reduces noises to provide more precisely seismic data and to satisfy the requirement of seismic data analysis and processing. | 01-05-2012 |
20120282706 | PREPARATION OF AN OPTICAL PH SENSOR BASED ON FLUORESCEIN AND 1-HEPTANESULFONIC ACID SODIUM CO-INTERCALATED LAYERED DOUBLE HYDROXIDE - This invention relates to the field of preparation technology of optical pH sensor by co-intercalated fluorescein and 1-heptanesulfonic acid sodium into layered double hydroxide. The sensor is composed by conductive materials and the surface LDH films by co-interacted FLU and HES. The synthesis method is: first: synthesis of LDH colloid suspension, subsequently, the FLU and HES co-intercalated LDH colloid solution was prepared following the ion-exchange method, then the thin film of FLU-HES/LDH was spreaded on the surface of the conductive material by electrophoretic deposition, and the oriental pH sensor was synthesized. The advantages of the present invention is: first, the LDH matrix provides chromophore molecules with a confined and stable environment; the novel electrophoretic deposition strategy in this work provides a method for precise control of thickness (ranging from nanometers to micrometers), and the oriental pH sensor show good pH responsive. | 11-08-2012 |
20130252877 | METHOD FOR PREPARING ACTIVE PEPTIDES FROM CORN GERM PROTEINS - The present invention discloses a method for producing antihypertensive active peptides with corn germ protein as the material. The method comprises an alkali-heat treatment and continuous enzymolysis of the corn germ protein. The components with molecular weight less than 1000 Da in the active peptides obtained according to the present method account for more than 92%, and alanine-tyrosine (Ala-Tyr, AY) as the characteristic peptide fragments in the antihypertensive peptides accounts for more than 0.6%, so that the active peptides have a good ACE inhibitory activity in vitro as well as stability against temperature, pH and major gastrointestinal digestive enzymes, and have a significant effect of lowering blood pressure on spontaneous hypertension rats in vivo. The active peptides can be applied as a new functional nutrient to development and production of food, health food and pharmaceutical. | 09-26-2013 |
20140087065 | CATHODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A method for making a cathode composite material of a lithium ion battery is disclosed. In the method, a composite precursor is formed. The composite precursor includes a cathode active material precursor and a coating layer precursor coated on a surface of the cathode active material precursor. The composite precursor is reacted with a lithium source chemical compound, to lithiate both the cathode active material precursor and the coating layer precursor in the composite precursor. | 03-27-2014 |
20140087254 | CATHODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a layered type lithium transition metal oxide. A material of the coating layer is a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140087256 | CATHODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. A material of the coating layer is a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140087259 | CATHODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a spinel type lithium nickel manganese oxide. The coating layer includes a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140087261 | CATHODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a layered type lithium nickel cobalt manganese oxide. The coating layer comprises a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140087264 | CATHODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a spinel type lithium manganese oxide. The coating layer comprises a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140087266 | CATHODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a lithium cobalt oxide. The coating layer includes a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140147554 | ENZYME BEVERAGE OF NATURAL GARDEN STUFF AND METHOD FOR PREPARING THE SAME - The present invention discloses an enzyme beverage of natural garden stuff and a method for preparing the same. The enzyme beverage is prepared from a fresh juice extracted from fresh garden stuffs and added with marine fish-skin collagen peptide, as a fermentation substrate, by dilution, blending and sterilization followed by stepwise fermentation with | 05-29-2014 |
20150037492 | METHOD FOR PRODUCING WHEAT GLUTAMINE PEPTIDE - The present invention discloses a method for producing wheat glutamine peptide using wheat gluten powder as raw material, belonging to the fields of food and biotechnology. The method includes the steps of: performing enzymolysis in two steps using Alcalase and papain with the wheat gluten powder as raw material, to obtain the wheat glutamine peptide with components with molecular weight of less than 1000 Da being more than 90%, characteristic glutamine peptide segment glutamine-arginine-glutamine (Gln-Arg-Gln, QRQ) content being more than 2.0% and glutamine content being up to 23.54% by treating the enzymatic hydrolysate by centrifugation, ultrafiltration, concentration, spray drying, etc. The produced glutamine peptide can be used as functional nutrition composition ingredient in the development and production of ordinary foods, health foods and medicines. | 02-05-2015 |