Patents by Inventor Qin Yan
Qin Yan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11931742Abstract: A nucleic acid loading device, including a housing, a carrying module, a motion module, a liquid circuit module and a control module. The motion module includes a support platform, first and second driving mechanisms, and a carrying member. The liquid circuit module is configured to control a reagent to flow into and out of a reactor. The control module is connected with the motion module and the liquid circuit module, and the control module is configured to control the first and second driving mechanisms, the liquid circuit module and the temperature control unit. A first face of a semiconductor cooler heats or refrigerates during operation, providing heat for an accommodating seat through a heat conducting body such that the reactor can be at different ambient temperatures. The cooperation between the motion and liquid circuit modules may achieve automation and industrialization of loading a sample into the reactor.Type: GrantFiled: December 12, 2018Date of Patent: March 19, 2024Assignee: GENEMIND BIOSCIENCES COMPANY LIMITEDInventors: Songzhen Zhang, Zefei Jiang, Guangming Wang, Ping Wu, Zhiliang Zhou, Qin Yan
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Publication number: 20240043364Abstract: A method for preparing 3,3?,4,4?-dicyclohexyltetracarboxylic acid and a method for treating an acidic wastewater are provided. In the preparation method according to the present disclosure, a ruthenium-rhodium mixed catalyst is used to catalyze the hydrogenation reduction reaction, which improves the selectivity of the reaction and reduces the generation of isomers, thereby reducing the generation of by-products and increasing the purity of 3,3?,4,4?-dicyclohexyltetracarboxylic acid. The results of the examples show that the purity of 3,3?,4,4?-dicyclohexyltetracarboxylic acid prepared by the method according to the present disclosure is not less than 99.62%.Type: ApplicationFiled: August 23, 2021Publication date: February 8, 2024Inventors: Shuai SHAO, Yuntang ZHANG,, Wenge LI, Yufen ZHANG, Jingxiao WANG, Feiyang WANG, Qin YAN, Xiao WANG, Tiecheng LIU
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Patent number: 11874453Abstract: An optical system including a first light source, a first lens, and a light splitting module, wherein the light splitting module has a first splitter, a second lens, a first camera and a second camera, the first lens is configured for receiving a first light beam from the first light source and collimating the first light beam onto a sample, and for receiving and collimating a light beam from the sample, the second lens is configured for focusing the collimated light beam from the first lens to the first camera and the second camera, the first splitter is configured for splitting the focused light beam from the second lens into a second light beam and a third light beam, the first camera is configured for receiving the second light beam, and the second camera is configured for receiving the third light beam.Type: GrantFiled: September 29, 2019Date of Patent: January 16, 2024Assignee: GENEMIND BIOSCIENCES COMPANY LIMITEDInventors: Jifang Qi, Zhiliang Zhou, Zefei Jiang, Qin Yan
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Patent number: 11847766Abstract: A method and device for detecting bright spots on an image. The image is acquired from a field of view where a base extension reaction occurs, multiple nucleic acid molecules with optically detectable labels exist in the field of view where the base extension reaction occurs, and at least some of the nucleic acid molecules appear as bright spots on the image. The method includes preprocessing the image to obtain a preprocessed image; determining a critical value to simplify the preprocessed image to obtain a simplified image, determining a first bright spot detection threshold on the basis of the preprocessed image, and identifying candidate bright spots on the image on the basis of the preprocessed image and the simplified image, including determining a pixel matrix that satisfies at least two of conditions as a candidate bright spot.Type: GrantFiled: August 22, 2018Date of Patent: December 19, 2023Assignee: GENEMIND BIOSCIENCES COMPANY LIMITEDInventors: Linsen Li, Weibin Xu, Huan Jin, Zefei Jiang, Zhiliang Zhou, Qin Yan
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Publication number: 20230114671Abstract: The present invention relates to a nucleoside analog having the structure of the following formula, a method for preparing the nucleoside analog, and an application of the nucleoside analog in nucleic acid sequencing, etc. wherein L1, L2, and L3 are each independently a covalent bond or a covalently linked group; B is a base or a base derivative; R1 is —OH or a phosphate group; R2 is H or a cleavable group; R3 is a detectable group or a targeting group; R5 is a polymerase reaction inhibitory group; R4 is H or —OR6, wherein R6 is H or a cleavable group; and C is a cleavable group or a cleavable bond.Type: ApplicationFiled: October 12, 2022Publication date: April 13, 2023Inventors: Bin LIU, Luyang ZHAO, Yuxiang CHEN, Bo YANG, Jie JIAN, Fang CHEN, Qin YAN
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Patent number: 11603524Abstract: Disclosed herein are oxalate inducing enzymes with pH and thermal stability and methods of using for oxalate related conditions for in food processing.Type: GrantFiled: April 4, 2016Date of Patent: March 14, 2023Assignee: Oxidien Pharmaceuticals, LLCInventors: Aaron B. Cowley, Helena Cowley, Qin Yan, Qingshan Li
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Patent number: 11575823Abstract: The present disclosure discloses a method and a system for imaging. The method for imaging objects using the system for imaging. The system for imaging comprises a lens. The objects comprise a first object, a second object and a third object located at different positions on a first preset track. The method for imaging comprises: allowing the lens and the first preset track to move relatively in a first predetermined relationship to acquire a clear image of the third object using the system for imaging without focusing, the first predetermined relationship is determined by a focal plane position of the first object and a focal plane position of the second object. The aforementioned method for imaging is high in imaging efficiency and is capable of fast focusing according to the first predetermined relationship even if focus tracking fails so that the blurring of a photographed image due to defocusing is avoided.Type: GrantFiled: May 17, 2022Date of Patent: February 7, 2023Assignee: GeneMind Biosciences Company LimitedInventors: Linsen Li, Ruitao Sun, Jiahong Xu, Zhiliang Zhou, Zefei Jiang, Qin Yan
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Patent number: 11512106Abstract: Nucleoside or nucleotide analog compounds having the structure shown below, a method for preparing them, and applications in nucleic acid sequencing are disclosed. The compounds have formula (I): wherein L1, L2, and L3 are each independently a covalent bond or a covalently linked group; B is a base or a base derivative selected from purines, pyrimidines, or analogs thereof; R1 is —OH, a phosphate group, or a nucleotide; R2 as H or a cleavable group; R3 is a detectable group or a targeting group; R5 is an inhibitory group; R4 is H, —NH2, or —OR6, wherein R6 is H or a cleavable group; and C is a cleavable group or a cleavable bond.Type: GrantFiled: May 26, 2020Date of Patent: November 29, 2022Assignee: GENEMIND BIOSCIENCES COMPANY LIMITEDInventors: Bin Liu, Luyang Zhao, Yuxiang Chen, Bo Yang, Jie Jian, Fang Chen, Qin Yan
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Patent number: 11482304Abstract: The disclosure discloses an alignment method, device, and system.Type: GrantFiled: August 2, 2017Date of Patent: October 25, 2022Assignee: GENEMIND BIOSCIENCES COMPANY LIMITEDInventors: Weibin Xu, Huan Jin, Qin Yan, Zefei Jiang, Zhiliang Zhou
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Publication number: 20220298567Abstract: The present disclosure discloses a method for controlling a base sequence determination, a base sequence determination system, and a control device. The base sequence determination system includes a fluid device and an optical device, a reaction device includes a first component and a second component, and a repeated executable unit included in the base sequence determination is defined as: a second biochemical reaction—a first biochemical reaction—photographing. The method includes, after initiation steps are completed, using the fluid device to perform the second biochemical reaction and the first biochemical reaction of the sample on the first component, while using the optical device to photograph the sample on the second component. The initial steps include: a. using the fluid device to perform the first biochemical reaction of the sample on the first component, b. using the optical device to photograph the sample on the first component after the first biochemical reaction, and c.Type: ApplicationFiled: June 10, 2022Publication date: September 22, 2022Inventors: Jianfeng Xu, Ruitao Sun, Zefei Jiang, Zhiliang Zhou, Qin Yan
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Publication number: 20220298497Abstract: Disclosed herein are oxalate inducing enzymes with pH and thermal stability and methods of using for treatment of oxalate related conditions for in food processing.Type: ApplicationFiled: March 30, 2022Publication date: September 22, 2022Inventors: Aaron B. COWLEY, Helena COWLEY, Qin YAN, Qingshan LI
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Publication number: 20220279130Abstract: The present disclosure discloses a method and a system for imaging. The method for imaging objects using the system for imaging. The system for imaging comprises a lens. The objects comprise a first object, a second object and a third object located at different positions on a first preset track. The method for imaging comprises: allowing the lens and the first preset track to move relatively in a first predetermined relationship to acquire a clear image of the third object using the system for imaging without focusing, the first predetermined relationship is determined by a focal plane position of the first object and a focal plane position of the second object. The aforementioned method for imaging is high in imaging efficiency and is capable of fast focusing according to the first predetermined relationship even if focus tracking fails so that the blurring of a photographed image due to defocusing is avoided.Type: ApplicationFiled: May 17, 2022Publication date: September 1, 2022Inventors: Linsen LI, Ruitao SUN, Jiahong XU, Zhiliang ZHOU, Zefei JIANG, Qin YAN
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Patent number: 11421272Abstract: Disclosed are a positioning method, a positioning apparatus and a sequencing system (300). The sequencing system (300) comprises an imaging assembly (110) and a mobile platform (102), wherein the imaging assembly (110) comprises an optical axis (OP), the mobile platform (102) bears a reaction apparatus (200), the stroke of the mobile platform (102) in a first direction is controlled by means of a limiting switch, and the stroke comprises a first limit.Type: GrantFiled: September 29, 2019Date of Patent: August 23, 2022Assignee: GeneMind Biosciences Company LimitedInventors: Ruitao Sun, Songzhen Zhang, Zefei Jiang, Zhiliang Zhou, Qin Yan
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Patent number: 11384390Abstract: The present disclosure relates to base sequence determination. A base sequence determination system includes a fluid device and an optical device, a reaction device includes a first component and a second component, and a repeated executable unit is defined as: a second biochemical reaction—a first biochemical reaction—photographing. A method includes, after initiation steps, using the fluid device to perform the second biochemical reaction and the first biochemical reaction of the sample on the first component, while using the optical device to photograph the sample on the second component. The initial steps include: using the fluid device to perform the first biochemical reaction of the sample on the first component, using the optical device to photograph the sample on the first component after the first biochemical reaction, and using the fluid device to perform the first biochemical reaction of the sample on the second component.Type: GrantFiled: December 27, 2017Date of Patent: July 12, 2022Assignee: GeneMind Biosciences Company LimitedInventors: Jianfeng Xu, Ruitao Sun, Zefei Jiang, Zhiliang Zhou, Qin Yan
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Publication number: 20220194960Abstract: The present invention relates to a WEE1 inhibitor, and the preparation and use thereof. The WEE1 inhibitor of the present invention is a compound of Formula I or a compound of Formula II, or a pharmaceutically acceptable salt, solvate, polymorph or tautomer thereof. The present invention also provides use of the WEE1 inhibitor in the manufacture of a medicament for the treatment of a disease associated with WEE1 activity. The WEE1 inhibitor provided by the present invention can effectively treat the disease associated with WEE1 activity.Type: ApplicationFiled: March 20, 2020Publication date: June 23, 2022Inventors: Yan Zhu, Jinsuo Yao, Yeliu Wang, Qin Yan, Weinan He, Changjun Chen, Xianxing Shang, Jijun Li, Yinghui Sun, Hongjuan Li, Chang Lu, Jiuqing Zhang, Deng Hou, Xiaojun Zhang, Qichao Liu
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Patent number: 11368614Abstract: The present disclosure discloses a method and a system for imaging. The method for imaging objects using the system for imaging. The system for imaging comprises a lens. The objects comprise a first object, a second object and a third object located at different positions on a first preset track. The method for imaging comprises: allowing the lens and the first preset track to move relatively in a first predetermined relationship to acquire a clear image of the third object using the system for imaging without focusing, the first predetermined relationship is determined by a focal plane position of the first object and a focal plane position of the second object. The aforementioned method for imaging is high in imaging efficiency and is capable of fast focusing according to the first predetermined relationship even if focus tracking fails so that the blurring of a photographed image due to defocusing is avoided.Type: GrantFiled: July 23, 2019Date of Patent: June 21, 2022Assignee: GeneMind Biosciences Company LimitedInventors: Linsen Li, Ruitao Sun, Jiahong Xu, Zhiliang Zhou, Zefei Jiang, Qin Yan
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Publication number: 20220090190Abstract: Disclosed are a positioning method, a positioning apparatus and a sequencing system (300). The sequencing system (300) comprises an imaging assembly (110) and a mobile platform (102), wherein the imaging assembly (110) comprises an optical axis (OP), the mobile platform (102) bears a reaction apparatus (200), the stroke of the mobile platform (102) in a first direction is controlled by means of a limiting switch, and the stroke comprises a first limit.Type: ApplicationFiled: September 29, 2019Publication date: March 24, 2022Inventors: Ruitao SUN, Songzhen ZHANG, Zefei JIANG, Zhiliang ZHOU, Qin YAN
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Publication number: 20210373314Abstract: An optical system including a first light source, a first lens, and a light splitting module, wherein the light splitting module has a first splitter, a second lens, a first camera and a second camera, the first lens is configured for receiving a first light beam from the first light source and collimating the first light beam onto a sample, and for receiving and collimating a light beam from the sample, the second lens is configured for focusing the collimated light beam from the first lens to the first camera and the second camera, the first splitter is configured for splitting the focused light beam from the second lens into a second light beam and a third light beam, the first camera is configured for receiving the second light beam, and the second camera is configured for receiving the third light beam.Type: ApplicationFiled: September 29, 2019Publication date: December 2, 2021Inventors: Jifang QI, Zhiliang ZHOU, Zefei JIANG, Qin YAN
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Patent number: 11170506Abstract: A method for constructing a sequencing template based on an image, a device, and a system. The image includes first, second, third and fourth images of one same field of view corresponding to base extensions of A, T/U, G, and C respectively; the first, second, third and fourth images respectively include images M1 and M2, images N1 and N2, images P1 and P2, and images Q1 and Q2; the method includes combining any two of the images M1, M2, N1, N2, P1, P2, Q1, and Q2to perform bright spot matching, and enabling such images to participate in the combination for at least one time to obtain a plurality of combined images including first coincident bright spots, and merging the first coincident bright spots on the plurality of combined images to obtain a bright spot set corresponding to the sequencing template.Type: GrantFiled: August 22, 2018Date of Patent: November 9, 2021Assignee: GENEMIND BIOSCIENCES COMPANY LIMITEDInventors: Linsen Li, Weibin Xu, Huan Jin, Zefei Jiang, Zhiliang Zhou, Qin Yan
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Publication number: 20210317507Abstract: Disclosed are a method for ligating nucleic acid fragments, a method for constructing a sequencing library, and the use thereof. The method for ligating nucleic acid fragments comprises ligating a first nucleic acid fragment and a second nucleic acid fragment in a mixed enzyme reaction system comprising a DNA ligase and a RNA ligase, wherein the first nucleic acid fragment is double-stranded DNA. The ligation efficiency of the method for ligating nucleic acid fragments can reach 85% or more, and by using this ligation method to construct a sequencing library, the yield of the effective library is significantly improved.Type: ApplicationFiled: August 6, 2019Publication date: October 14, 2021Inventors: Guangli GAN, Qunting LIN, Yunyang CHENG, Meng ZHANG, Gailing LI, Qin YAN, Luyang ZHAO