公开(公告)号：US10203536B2

公开(公告)日：2019-02-12

申请号：US15316429

申请日：2014-06-05

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Zhigang Zheng

IPC: C09K19/00 ,  G02F1/1333 ,  C09K19/52 ,  C09K19/54 ,  C09K19/58 ,  C09K19/60 ,  G02F1/137 ,  C09B31/12 ,  C09K11/06 ,  G02F1/1334

Abstract: A photo-tunable liquid crystal composition may include a polymer matrix and a liquid crystal mixture dispersed within the polymer matrix. The liquid crystal mixture may include at least one achiral nematic liquid crystal material, at least sine photo-active chiral dopant, at least one photo-inactive chiral dopant, and at least one emissive dye. The composition may be fabricated in the form of an emulsion, a wet film, or a dry film. The dry film may be used in a photo-tunable liquid crystal film laser. The output wavelength of the photo-tunable liquid crystal film laser may be tuned by exposing the dry film to illumination having at least one wavelength at one or more transition wavelengths.

公开(公告)号：US10184126B2

公开(公告)日：2019-01-22

申请号：US14419106

申请日：2013-08-01

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Yi Yang ,  Xianjun Chen ,  Zhengcai Ma ,  Renmei Liu

IPC: C12N15/62 ,  C12N15/70 ,  C12N15/74 ,  C12N15/63 ,  C12N15/75 ,  C12P21/02 ,  C12N9/02 ,  C12N13/00

Abstract: Provided is an optically controlled gene expression system of prokaryotic bacterium, comprising: a) a photosensitive recombinant transcription factor encoding gene, the photosensitive recombinant transcription factor is one fusion protein comprising a first polypeptide as the DNA bonding domain and a second polypeptide as the photosensitive domain; b) a target transcription unit comprising promoter or promoter-reaction element or reaction element-promoter containing at least one reaction element recognized/bound by the first polypeptide and the nucleic acid sequence to be transcribed. Also provided is a prokaryotic expression vector comprising said optically controlled gene expression system, and a method for regulating gene expression in a prokaryotic host cell by using the optically controlled gene expression system. Also provided is a reagent kit containing different components of the optically controlled gene expression system. The optically controlled gene expression system of prokaryotic bacterium has a quick, effective and powerful induction, is safer than other inducers, is of little or no toxicity, and can control gene expression both spatially and temporally, and can regulate many life processes of prokaryotic bacterium.

公开(公告)号：US20180223043A1

公开(公告)日：2018-08-09

申请号：US15542602

申请日：2015-07-13

Applicant: East China University of Science and Technology

Inventor： Liming ZHAO ,  Jie WEI ,  Jun QIAN ,  Juan MA ,  Xiaofeng TANG ,  Yingyang WU ,  Yongjun QIU

IPC: C08G69/16 ,  C08G69/24 ,  C12P13/00

CPC classification number: C08G69/16 ,  C08G69/24 ,  C12P13/005 ,  C12Y401/01015

Abstract: The invention relates to a preparation method of green nylon poly butyrolactams, the biological materials of GABA in vacuum under the condition of high temperature melt decomposition and purified butyrolactams, then by vacuum polymerization of green nylon poly butyrolactams. Compared with the prior art, the invention is prepared by biological method for the synthesis of a wide range of sources, to solve the problem of raw material supply PA4 for mass production, reduce the cost of reaction, and the reaction condition is simple, easy to implement simplified synthesis steps, from the laboratory to the transformation of industrial production.

公开(公告)号：US10000448B2

公开(公告)日：2018-06-19

申请号：US15124397

申请日：2014-03-13

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Zhenshan Hou ,  Ran Zhang

IPC: C07C269/04 ,  B01J21/00 ,  B01J23/10 ,  B01J23/34 ,  B01J23/83 ,  B01J23/94 ,  B01J23/92 ,  B01J23/14

CPC classification number: C07C269/04 ,  B01J21/00 ,  B01J23/10 ,  B01J23/14 ,  B01J23/34 ,  B01J23/83 ,  B01J23/92 ,  B01J23/94 ,  B01J2523/31 ,  B01J2523/3712 ,  B01J2523/60 ,  Y02P20/584 ,  C07C271/12

Abstract: Methods, systems and kits for preparing carbamates as well as catalysts for preparing the carbamates, are disclosed. The methods for preparing carbamate can include providing a catalyst comprising cerium oxide (CeO2) and at least one metal selected from the group consisting of iron (Fe), manganese (Mn), titanium (Ti), cobalt (Co), aluminum (Al), zinc (Zn), calcium (Ca), tin (Sn), indium (In), and any combination thereof; contacting the catalyst with at least one amine and at least one alcohol to form a mixture; and contacting the mixture with carbon dioxide under conditions sufficient to form the carbamate.

公开(公告)号：US20180007898A1

公开(公告)日：2018-01-11

申请号：US15534906

申请日：2014-11-17

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Xiaping ZHOU

IPC: A01N43/16 ,  A01N25/26 ,  A01N47/14 ,  A01N59/16

CPC classification number: A01N43/16 ,  A01N25/26 ,  A01N37/34 ,  A01N37/38 ,  A01N47/14 ,  A01N47/18 ,  A01N47/22 ,  A01N57/14 ,  A01N59/16 ,  A01N59/20

Abstract: Biopesticide compositions, and methods and kits for their preparation from lignin are disclosed. A biopesticide may include a modified lignin chelated with one or more pesticides, the one or more pesticides having at least one acidic pesticide. The modified lignin may have one or more functional groups. Methods of producing a biopesticide may include obtaining a lignin, contacting the lignin with one or more bacteria under conditions suitable for producing a modified lignin, and chelating the modified lignin with one or more pesticides, the one or more pesticides having at least one acidic pesticide.

公开(公告)号：US20170315036A1

公开(公告)日：2017-11-02

申请号：US15528241

申请日：2016-06-01

Applicant: East China University of Science and Technology ,  Shanghai Turbine Company LTD

Inventor： Fuzhen Xuan ,  Jianping Tan ,  Jianguo Gong ,  Xia Liu

IPC: G01N3/18 ,  G01N33/20

CPC classification number: G01N3/18 ,  B21H1/00 ,  F16B1/00 ,  F16B5/0275 ,  G01M99/00 ,  G01N33/20

Abstract: The invention relates to a design method of high-temperature nickel-based bolts based on damage tolerance theory, comprising the following steps: S1: acquiring operating parameters for the design; S2: selecting a material for bolts; S3: acquiring mechanical properties of the materials; S4: determining a pretension stress σp of a single bolt; S5: determining the service stress σs under the steady state; S6: determining the number n, the effective cross-section area A and the distribution of bolts; S7: determining a maximum allowable crack dimension; S8: calculating the maximum allowable service stress σth using the crack propagation threshold Kth at the design temperature; S9: comparing the service stress σs and the maximum allowable service stress σth, if σs is smaller than σth, then the bolts are safe in the design life; otherwise, return to step S4 and reduce the pretension stress σp.

公开(公告)号：US20170219584A1

公开(公告)日：2017-08-03

申请号：US15426621

申请日：2017-02-07

Applicant: East China University of Science and Technology

Inventor： Yi Yang ,  Yuzheng Zhao ,  Jing Jin ,  Qingxun Hu

IPC: G01N33/573 ,  C07K14/32 ,  G01N33/50 ,  G01N33/58

CPC classification number: G01N33/5735 ,  C07K14/195 ,  C07K14/32 ,  C07K2319/00 ,  C07K2319/60 ,  G01N33/5011 ,  G01N33/582 ,  G01N2500/02 ,  G01N2800/7028

Abstract: The invention relates to a genetically encoded fluorescent sensor for nicotinamide adenine dinucleotide, as well as methods of preparation and uses thereof. In one aspect, this invention relates to a sensor for detecting nicotinamide adenine dinucleotide, particularly, a recombinant fluorescent fusion protein sensor for detecting nicotinamide adenine dinucleotide. In one specific aspect, this invention relates to a recombinant fluorescent fusion protein sensor for detecting reduced nicotinamide adenine dinucleotide (NADH); in another specific aspect, this invention relates to a recombinant fluorescent fusion protein sensor for detecting oxidized nicotinamide adenine dinucleotide (NAD+); in yet another aspect, the invention relates to a recombinant fluorescent fusion protein sensor for detecting the ratio of reduced to oxidized nicotinamide adenine dinucleotide. This invention also relates to the method of preparing the sensors, and uses of the sensors in detecting NADH, NAD+, NADH/NAD+ ratio, screening drugs and measuring NADH metabolism.

公开(公告)号：US09611339B2

公开(公告)日：2017-04-04

申请号：US14394269

申请日：2013-04-15

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Ning Zhao ,  Ruihua Cheng ,  Xuelian He ,  Zhen Liu ,  Boping Liu

IPC: C08F10/02

CPC classification number: C08F10/02 ,  C08F2410/04 ,  Y02P20/52 ,  C08F210/16 ,  C08F210/14 ,  C08F4/69 ,  C08F4/68

Abstract: The present invention relates to a carriered hybrid vanadium-chromium-based catalyst, characterized in the catalyst is carriered on a porous inorganic carrier and a V active site and an organic Cr active site are present on the porous inorganic carrier at the same time. The present invention further relates to a process for producing a carriered hybrid vanadium-chromium-based catalyst. The catalyst of the present invention can be used for producing ethylene homopolymers and ethylene/α-olefin copolymers. The hybrid vanadium-chromium-based catalyst can have high activity and produce polyethylene polymers having the properties of broad molecular weight distribution (Part of the products are bimodal distribution) and excellent α-olefin copolymerization characteristic.

公开(公告)号：US20170088535A1

公开(公告)日：2017-03-30

申请号：US15310760

申请日：2014-05-14

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Zhenshan HOU ,  Baoning SONG

IPC: C07D317/36 ,  B01J38/48 ,  B01J37/04 ,  B01J31/08 ,  B01J31/26 ,  B01J37/00 ,  B01J38/00 ,  B01J31/40

CPC classification number: C07D317/36 ,  B01J31/0239 ,  B01J31/0254 ,  B01J31/08 ,  B01J31/26 ,  B01J31/4007 ,  B01J31/4084 ,  B01J37/0036 ,  B01J37/04 ,  B01J38/00 ,  B01J38/48 ,  B01J2231/341 ,  C07D303/04 ,  C07D303/08 ,  C07D317/12

Abstract: Catalysts and methods for making cyclic carbonates are disclosed. The catalyst may include at least one polymer quaternary ammonium salt, at least one metal halide and silica gel. The method of making the cyclic carbonates may include forming a mixture that includes the catalyst and an epoxide, and contacting the mixture with carbon dioxide in a reactor under conditions to form the propylene carbonate.

公开(公告)号：US20170015622A1

公开(公告)日：2017-01-19

申请号：US15124397

申请日：2014-03-13

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Zhenshan HOU ,  Ran ZHANG

IPC: C07C269/04 ,  B01J23/14 ,  B01J23/34 ,  B01J23/10 ,  B01J23/83

CPC classification number: C07C269/04 ,  B01J21/00 ,  B01J23/10 ,  B01J23/14 ,  B01J23/34 ,  B01J23/83 ,  B01J23/92 ,  B01J23/94 ,  B01J2523/31 ,  B01J2523/3712 ,  B01J2523/60 ,  Y02P20/584 ,  C07C271/12

Abstract: Methods, systems and kits for preparing carbamates as well as catalysts for preparing the carbamates, are disclosed. The methods for preparing carbamate can include providing a catalyst comprising cerium oxide (CeO2) and at least one metal selected from the group consisting of iron (Fe), manganese (Mn), titanium (Ti), cobalt (Co), aluminum (Al), zinc (Zn), calcium (Ca), tin (Sn), indium (In), and any combination thereof; contacting the catalyst with at least one amine and at least one alcohol to form a mixture; and contacting the mixture with carbon dioxide under conditions sufficient to form the carbamate.

Abstract translation: 公开了用于制备氨基甲酸酯的方法，系统和试剂盒以及用于制备氨基甲酸酯的催化剂。 制备氨基甲酸酯的方法可以包括提供包含氧化铈（CeO 2）和至少一种选自铁（Fe），锰（Mn），钛（Ti），钴（Co），铝（Al ），锌（Zn），钙（Ca），锡（Sn），铟（In）及其任何组合; 使催化剂与至少一种胺和至少一种醇接触以形成混合物; 并在足以形成氨基甲酸酯的条件下将混合物与二氧化碳接触。