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499results about How to "Quick and easy to manufacture" patented technology

Method for manufacturing zinc oxide-cellulose nanocrystalline composite fiber film with antibacterial characteristic and photocatalytic degradation characteristic at same time

The invention relates to a method for manufacturing a zinc oxide-cellulose nanocrystalline composite fiber film with the antibacterial characteristic and the photocatalytic degradation characteristic at the same time. The method includes the steps of enabling microcrystalline cellulose to be reacted for 5 hours to 10 hours under the 40 DEG C-95 DEG C mixed acid condition, adjusting the pH value to seven after the reaction is finished, and obtaining cellulose nanocrystalline powder; (2) preparing suspension liquid with the powder, mixing the suspension liquid with a zinc salt water solution, dropwise adding a sodium hydroxide solution at 30 DEG C to 95 DEG C, stirring to enable the mixture to be reacted for 5 min to 60 min after drop adding is finished, and carrying out washing and drying to obtain cellulose nanocrystalline-zinc oxide hybrid materials; (3) adding the materials and PHBV into organic solvents, raising the temperature to range 30 DEG C to 80 DEG C, and obtaining an electrostatic spinning solution; (4) carrying out electrostatic spinning on the electrostatic spinning solution, and obtaining the zinc oxide-cellulose nanocrystalline composite fiber film. According to the method, the preparing process is simple, and the obtained fiber film is a multifunctional full biodegradation product and has the antibacterial characteristic and the photocatalytic degradation characteristic.
Owner:ZHEJIANG SCI-TECH UNIV

Food processor with fermentation function and manufacturing method of fermented food starch

The invention discloses a food processor with a fermentation function and a manufacturing method of fermented food starch. The food processor comprises a crushing cutter device, a machine head, a motor, a barrel body, a control circuit board and a heating apparatus; at least one material storage device is arranged in the barrel body; the control circuit board is provided with a fermented food starch manufacturing control program. The manufacturing method of the fermented food starch comprises the following steps: foodstuff and water are manufactured into a cooked product according to the intrinsic function of the food processor with the fermentation function, the cooked product is further fermented into the fermented one by edible zymocyte, and the fermented cooked product and water are together crushed into the fermented food starch by a way that the motor drives the crushing cutter device. The food processor is characterized in that the motor isn't used for stirring because the fermentation process refers to solid fermentation, after the fermentation process is finished, the motor is started to drive the crushing cutter device to crush the fermented cooked product, thus the motor is very short in operation time and only in a few minutes, very small in abrasion, and less in power consumption, and thus the motor can be prolonged in service life.
Owner:王晓东

Slightly acidic environment targeted polypeptide modified tumor targeted nano drug delivery system, and preparation method thereof

The invention belongs to the field of biotechnology, and relates to a slightly acidic environment targeted polypeptide modified tumor targeted nano drug delivery system, and a preparation method thereof. The slightly acidic environment targeted polypeptide modified tumor targeted nano drug delivery system is prepared via self-assembly of a slightly acidic environment targeted polypeptide modified dendrimer encapsulated gene, wherein the surface of the dendrimer is rich of amino groups. According to the preparation method, a polypeptide of transmembrane helix protein C derived from bacteria visual purple is used for modifying a high molecular carrier, enrichment and adhesion onto cells is realized via a pH sensitive cell membrane insertion method, and entering into cells is realized via electrostatic adsorption guided endocytosis, so that untaking of tumor cells on drugs is improved, and toxic and side effects are reduced. According to the tumor targeted nano drug delivery system, cell membrane is taken as the target point, and the polypeptide is taken as the target head group in tumor slightly acidic environment, targeting and curing efficiency are high, the preparation method is simple and convenient, and tumor cell drugs, which are derived from human or animal, and is used for targeted therapy, can be prepared.
Owner:FUDAN UNIV
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