Patents Assigned to China Agricultural University
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Patent number: 9797874Abstract: An optical testing system includes: a testing probe, a collecting unit, and a processing unit, wherein the testing probe includes a plurality of spectrum photodiodes used for emitting and casting monochromatic light to a sample, wherein the wavelength of the light emitted by at least one spectrum photodiode is different from that of any other. The collecting unit collects multi-way signal light obtained after the emitted monochromatic light is reflected by the sample surface. The processing unit includes a photoelectric conversion module, an adding module and a testing module. The photoelectric conversion module converts the collected multi-way signal light respectively to multi-way electrical signals. The adding module performs an adding operation for the multi-way electrical signal to obtain an operation result. The testing module tests a quality parameter of the sample according to the operation result, and outputs a testing result.Type: GrantFiled: August 19, 2015Date of Patent: October 24, 2017Assignee: China Agricultural UniversityInventors: Yankun Peng, Juan Zhao
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Patent number: 9783788Abstract: The present invention relates to the technical field of porcine pseudorabies virus, and more particularly to a porcine pseudorabies virus (PRV)-YF strain, with the preservation No. of CCTCC No. V201502. The present invention also provides an application of the porcine pseudorabies virus (PRV)-YF strain in preparing an inactivated vaccine of the porcine pseudorabies virus, the inactivated vaccine of the porcine pseudorabies virus and a preparation method thereof. It is proved through an immune efficacy evaluating test and a safety test that the inactivated vaccine of the porcine pseudorabies virus has good immune protective efficacy and is safe for weaned piglets, replacement gilts, pregnant sows and the like.Type: GrantFiled: January 31, 2016Date of Patent: October 10, 2017Assignees: Zhaoqing Dahuanong Biological Medicine Co., Ltd, South China Agricultural UniversityInventors: Ruiai Chen, Hongliang Huang, Changbao Ren, Xiaoyu Xie, Zheng She, Xuanzi Zhan, Xiaoxiong Deng, Manhua Tang
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Patent number: 9745530Abstract: A method for production of a biodiesel is described herein. The method for production of a biodiesel comprises (a) separating solids from a waste oil composition to provide a clarified oil composition; (b) acidifying the clarified oil composition to produce an acidified oil composition including free fatty acids derived from the waste oil; (c) converting at least a portion of the free fatty acids in the acidified oil composition to glycerides to provide a glyceride composition; and (d) reacting at least a portion of the glycerides in the glyceride composition with methanol to form fatty acid methyl ester to provide a biodiesel composition.Type: GrantFiled: February 9, 2016Date of Patent: August 29, 2017Assignees: Regents of the University of Minnesota, China Agricultural UniversityInventors: Rongsheng Ruan, Min Min Addy, Yong Nie, Erik Andrew Anderson, Chonghao Bi, Dong Li, Ling Chen
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Patent number: 9701946Abstract: The invention discloses an avian infectious bronchitis virus purification method. The method uses ordinary avian embryo which was affected by avian bronchitis virus. Using the combination of centrifugation, ultrafiltration, concentration, molecular sieve chromatography and ultrafiltration method can effectively remove miscellaneous protein in embryo-derived infectious bronchitis virus antigen, high virus recovery, and have no effect on the activity of avian infectious bronchitis virus. The avian infectious bronchitis virus purified by this method can be directly used in the preparation of avian infectious bronchitis virus vaccine.Type: GrantFiled: November 18, 2015Date of Patent: July 11, 2017Assignees: Zhaoqing Dahuanong Biological Medicine Co., Ltd, South China Agricultural UniversityInventors: Ruiai Chen, Jiahua Xu, Xinqiu Wang, Dongxia Zhang, Beibei Sun, Xiaoyu Xie, Changbao Ren
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Publication number: 20170137715Abstract: The invention belongs to the field of biomass energy utilization, and a continuous pyrolysis and carbonization method of agricultural and forestry biomass is disclosed. The method comprises the following steps: feeding biomass feedstock to a dryer for drying, then transporting to a continuous pyrolysis apparatus for pyrolyzing to obtain pyrolysis semicoke and pyrolysis volatiles; and transporting the pyrolysis semicoke to a carbonization apparatus for carbonization to obtain biomass charcoal and semi-coke carbonized volatiles; then discharging the pyrolysis volatiles and the semi-coke carbonized volatiles, and cooling to obtain tar, wood vinegar and pyrolysis gas; introducing the pyrolysis gas into a combustion apparatus for combustion to obtain a high temperature flue gas; and finally transporting the high temperature flue gas into pyrolysis apparatus and carbonization apparatus for supplying heat, then the flue gas after supplying heat is delivered to the dryer and discharging tail gas.Type: ApplicationFiled: April 2, 2015Publication date: May 18, 2017Applicant: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Enchen JIANG, Mingfeng WANG, Xinhui GUO, Xiwei XU, Dongdong SHI, Shibo LI, Shijun ZHANG
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Patent number: 9638558Abstract: In situ spacing-correcting heat pulse sensor for measuring sap flow or water flux includes: a holder; a temperature probe or two (sometimes there will be more than two) mounted on the holder; and a heating probe mounted on the holder; wherein two or three thermometric elements are provided axially in the same temperature probe, all the thermometric elements are connected to a data collector, a heating wire is mounted in the heating probe, and the heating wire is connected to a power supply. A measuring method thereof is also provided. In practice, by arranging at least two thermometric elements in each temperature probe, measurement errors of sap flow in plant or soil water flux caused by factors such as deflection of the temperature probe or the heating probe are reduced. Furthermore, the sensor is simple in structure, low in cost, convenient in utilization, and accurate in measurement.Type: GrantFiled: January 5, 2015Date of Patent: May 2, 2017Assignee: China Agricultural UniversityInventors: Gang Liu, Minmin Wen, Robert Horton, Ruiqi Ren, BingCheng Si, Jianping Wang, Baoguo Li
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Publication number: 20170101689Abstract: The present invention disclosed a Nosema bombycis HMG1 gene, a specific primer set used for rapidly detecting Nosema bombycis, a group of microsporidium universal detection primers, and uses thereof. The primer set comprises a primer HMG1-sF and a primer HMG1-sR, and nucleotide sequences of the primers are shown in SEQ ID No. 5-6 respectively. The universal detection primers comprise a primer HMG1F and a primer HMG1R, and nucleotide sequences of the primers are shown in SEQ ID No. 3-4 respectively.Type: ApplicationFiled: August 28, 2015Publication date: April 13, 2017Applicant: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jiping LIU, Xiaojing SONG, Wei CHENG
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Publication number: 20170067071Abstract: The corn genes ZmSPL1 and ZmSPL2 are provided. The proteins encoded by these genes and the uses of these genes are also provided.Type: ApplicationFiled: November 29, 2013Publication date: March 9, 2017Applicants: CHINA AGRICULTURAL UNIVERSITY, CHINA AGRICULTURAL UNIVERSITYInventors: Zhongfu Ni, Qixin Sun, Cheng Wang, Bo Wang, Yingyin Yao, Huiru Peng, Yirong Zhang, Zhaorong Hu
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Patent number: 9463220Abstract: The present invention provides a method for inducing twin calving. The method according to the present invention comprises firstly treatment to inducing atresia of the antral follicles on ovary so as to initiate the development of new follicular wave, inducing the development of codominant follicles and further achieving double ovulations by exactly controlling the dosage and time points of hormone injections, and performing artificial insemination to induce the cow to deliver twin calves. The method according to the present invention has relative independent on the technical skills, and a person skilled in the art or a common worker can practice it according to specified operation methods; and during practical application, it does not require special equipment, thus saving cost, as well as improving the social benefit and economic benefit of cow breeding.Type: GrantFiled: May 22, 2014Date of Patent: October 11, 2016Assignee: China Agricultural UniversityInventors: Jianhui Tian, Weibin Zeng, Lei An, Shumin Wang, Zhonghong Wu
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Publication number: 20150135361Abstract: The present invention provides a drought tolerance associated protein, DT1, a nucleic acid molecule encoding the DT1 protein and application thereof.Type: ApplicationFiled: May 9, 2012Publication date: May 14, 2015Applicant: China Agricultural UniversityInventors: Chuanqing Sun, Xia Zhang, Fengxia Liu, Na Wang, Zhen Su, Lubin Tan, Zuofeng Zhu, Yongcai Fu, Daoxin Xie
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Publication number: 20150040254Abstract: Provided is a porcine CD28 receptor molecule, which is: 1) a protein consisting of an amino acid sequence represented by SEQ ID NO:2, or 2) a protein derived from 1) by substitution, deletion or addition of one or several amino acids in the amino acid sequence represented by SEQ ID NO:2 and having equivalent activity with 1). Further provided is a gene for coding the porcine CD28 receptor, the nucleotide sequence of which is shown as SEQ ID NO:1. When the provided co-stimulating receptor CD28 is expressed specifically and highly in a T cell, the activation, proliferation and cell factor secretion activity of the T cell when stimulated by an antigen can be enhanced, thereby enhancing the acquired immune response of a host and enhancing the immune effect of a vaccine. FIG. 8 is selected as the drawing attached to the Abstract.Type: ApplicationFiled: December 19, 2011Publication date: February 5, 2015Applicant: CHINA AGRICULTURAL UNIVERSITYInventors: Xun Suo, Xianyong Liu, Huali Su, Xinxin Zhao, Xiaoxi Huang
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Publication number: 20140349934Abstract: The present invention provides a method for inducing twin calving. The method according to the present invention comprises firstly treatment to inducing atresia of the antral follicles on ovary so as to initiate the development of new follicular wave, inducing the development of codominant follicles and further achieving double ovulations by exactly controlling the dosage and time points of hormone injections, and performing artificial insemination to induce the cow to deliver twin calves. The method according to the present invention has relative independent on the technical skills, and a person skilled in the art or a common worker can practice it according to specified operation methods; and during practical application, it does not require special equipment, thus saving cost, as well as improving the social benefit and economic benefit of cow breeding.Type: ApplicationFiled: May 22, 2014Publication date: November 27, 2014Applicant: China Agricultural UniversityInventors: Jianhui TIAN, Weibin ZENG, Lei AN, Shumin WANG, Zhonghong WU
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Patent number: 8349333Abstract: Compositions and kits for inhibiting an allergic response against an allergenic protein are disclosed. The compositions comprise a eukaryotic cell expression vector containing nucleotide sequences encoding an allergenic protein or a polypeptide that comprises an antigenic epitope of said allergenic protein; and an allergenic protein or a polypeptide that comprises an antigenic epitope of the allergenic protein. The kits comprise a first container which comprises a eukaryotic cell expression vector containing nucleotide sequences encoding an allergenic protein or a polypeptide that comprises an antigenic epitope of the allergenic protein and a second container which comprises an allergenic protein or a polypeptide that comprises an antigenic epitope of said allergenic protein.Type: GrantFiled: December 22, 2006Date of Patent: January 8, 2013Assignees: China Agricultural University, WyethInventors: Bin Wang, Huali Jin, Youmin Kang, Hsien-Jue Chu, Terry Kaleung Ng
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Publication number: 20120076808Abstract: The present invention relates to treating and preventing symptoms of an allergy, asthma, an autoimmune disease, and transplant rejection using a combination vaccine containing an antigen and a DNA encoding the antigen.Type: ApplicationFiled: September 27, 2011Publication date: March 29, 2012Applicant: CHINA AGRICULTURAL UNIVERSITYInventors: Bin WANG, Shuang GENG, Jin JIN
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Publication number: 20100143401Abstract: The present invention discloses a vaccine preventing and/or treating autoimmune diseases. Its active component is: the mixture consisting of a protein antigen causing an autoimmune disease or the epitope polypeptides thereof, and the recombinant eukaryotic vector with the coding genes of an autoantigen or the epitope polypeptides thereof inserted into multiple cloning sites. The autoantigen is insulin, glutamic acid decarboxylase or heat shock protein, myelin oligodendrocyte glycoprotein, two myelin antigens, zona pellucida 3, myoglobulin, type II collagen, thyroglobulin, cell membrane surface antigen, type II colloid antigen, acetylcholine receptor, thyrocyte cell surface antigen, salivary gland duct antigen, thyroglobulin, superantigen, or interphotoreceptor retinoid binding protein. The vaccine can inhibit the proliferation of T cells of immune animals and humans, induce the occurrence of immune suppression, as well as prevent and/or treat autoimmune diseases effectively.Type: ApplicationFiled: March 19, 2008Publication date: June 10, 2010Applicant: CHINA AGRICULTURAL UNIVERSITYInventors: Bin Wang, Huali Jin, Youmin Kang, Wenjuan Zhang, Yang Yu, Jinyao Li
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Patent number: 7252697Abstract: A method for making controlled-release ammonium phosphate fertilizer has the following acts of: cracking, pulverizing, blending, aging, drying, and adding release-controlling materials into an ammonium phosphate slurry during preparing processes or adding release-controlling materials in achieved ammonium phosphate powder. Selectively, sulfuric acid is added into the mixture of the release-controlling materials and the ammonium phosphate slurry or ammonium phosphate powder to acidify the mixture. In this method, the release-controlling material combines with the ammonium phosphate by chemical bonding to control the release of nitrogen and phosphorus nutrients to enhance the use efficiency and elongate fertilization effect of the controlled-release ammonium phosphate fertilizer.Type: GrantFiled: July 2, 2003Date of Patent: August 7, 2007Assignee: South China Agricultural UniversityInventors: Zongwen Liao, Song Bo, Xiaoyun Mao, Ping-Xiao Guan