CN103555767B - 一种层层自组装的microRNA纳米载体的制备方法及其应用 - Google Patents
一种层层自组装的microRNA纳米载体的制备方法及其应用 Download PDFInfo
- Publication number
- CN103555767B CN103555767B CN201310518253.3A CN201310518253A CN103555767B CN 103555767 B CN103555767 B CN 103555767B CN 201310518253 A CN201310518253 A CN 201310518253A CN 103555767 B CN103555767 B CN 103555767B
- Authority
- CN
- China
- Prior art keywords
- protamine
- nano diamond
- mirna
- nano
- cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 108700011259 MicroRNAs Proteins 0.000 title claims abstract description 15
- 239000002679 microRNA Substances 0.000 title claims abstract description 13
- 238000001338 self-assembly Methods 0.000 title claims abstract description 13
- 239000002539 nanocarrier Substances 0.000 title claims abstract description 12
- OVBPIULPVIDEAO-LBPRGKRZSA-N folic acid Chemical compound C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-LBPRGKRZSA-N 0.000 claims abstract description 63
- 239000002113 nanodiamond Substances 0.000 claims abstract description 51
- 235000019152 folic acid Nutrition 0.000 claims abstract description 39
- 239000011724 folic acid Substances 0.000 claims abstract description 39
- 229940048914 protamine Drugs 0.000 claims abstract description 36
- 102000007327 Protamines Human genes 0.000 claims abstract description 32
- 108010007568 Protamines Proteins 0.000 claims abstract description 32
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims abstract description 32
- OVBPIULPVIDEAO-UHFFFAOYSA-N N-Pteroyl-L-glutaminsaeure Natural products C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)NC(CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229960000304 folic acid Drugs 0.000 claims abstract description 25
- 239000000243 solution Substances 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- 239000011259 mixed solution Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 230000012292 cell migration Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 6
- 230000008685 targeting Effects 0.000 claims description 6
- 108091070501 miRNA Proteins 0.000 claims description 5
- 206010006187 Breast cancer Diseases 0.000 claims description 4
- 208000026310 Breast neoplasm Diseases 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000008366 buffered solution Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 238000010301 surface-oxidation reaction Methods 0.000 claims description 3
- 241000972773 Aulopiformes Species 0.000 claims description 2
- 235000019515 salmon Nutrition 0.000 claims description 2
- 239000012096 transfection reagent Substances 0.000 claims 3
- 229940064302 folacin Drugs 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 9
- 206010028980 Neoplasm Diseases 0.000 abstract description 8
- 239000002086 nanomaterial Substances 0.000 abstract description 8
- 230000030279 gene silencing Effects 0.000 abstract description 5
- 238000012226 gene silencing method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 2
- 108091029119 miR-34a stem-loop Proteins 0.000 description 57
- 210000004027 cell Anatomy 0.000 description 51
- 239000006144 Dulbecco’s modified Eagle's medium Substances 0.000 description 14
- 239000001963 growth medium Substances 0.000 description 14
- 102000005962 receptors Human genes 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 238000001890 transfection Methods 0.000 description 11
- 108091032973 (ribonucleotides)n+m Proteins 0.000 description 8
- 108090000123 Fos-related antigen 1 Proteins 0.000 description 8
- 108090000623 proteins and genes Proteins 0.000 description 8
- ZDXPYRJPNDTMRX-UHFFFAOYSA-N glutamine Natural products OC(=O)C(N)CCC(N)=O ZDXPYRJPNDTMRX-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 235000018102 proteins Nutrition 0.000 description 7
- 102000004169 proteins and genes Human genes 0.000 description 7
- 102000003817 Fos-related antigen 1 Human genes 0.000 description 6
- 238000012228 RNA interference-mediated gene silencing Methods 0.000 description 6
- 230000009368 gene silencing by RNA Effects 0.000 description 6
- 239000012224 working solution Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000006166 lysate Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- YBYRMVIVWMBXKQ-UHFFFAOYSA-N phenylmethanesulfonyl fluoride Chemical compound FS(=O)(=O)CC1=CC=CC=C1 YBYRMVIVWMBXKQ-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000003981 vehicle Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 101710088172 HTH-type transcriptional regulator RipA Proteins 0.000 description 3
- 102000006382 Ribonucleases Human genes 0.000 description 3
- 108010083644 Ribonucleases Proteins 0.000 description 3
- 108020004459 Small interfering RNA Proteins 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 238000011081 inoculation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010814 radioimmunoprecipitation assay Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 210000002966 serum Anatomy 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 102000040650 (ribonucleotides)n+m Human genes 0.000 description 2
- FWBHETKCLVMNFS-UHFFFAOYSA-N 4',6-Diamino-2-phenylindol Chemical compound C1=CC(C(=N)N)=CC=C1C1=CC2=CC=C(C(N)=N)C=C2N1 FWBHETKCLVMNFS-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000006180 TBST buffer Substances 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 229920006317 cationic polymer Polymers 0.000 description 2
- 239000006143 cell culture medium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 230000003013 cytotoxicity Effects 0.000 description 2
- 231100000135 cytotoxicity Toxicity 0.000 description 2
- 230000007850 degeneration Effects 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000834 fixative Substances 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 102000039446 nucleic acids Human genes 0.000 description 2
- 108020004707 nucleic acids Proteins 0.000 description 2
- 150000007523 nucleic acids Chemical class 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 239000013612 plasmid Substances 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 108010001857 Cell Surface Receptors Proteins 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 108020004414 DNA Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 108091027559 Mir-96 microRNA Proteins 0.000 description 1
- 108700020796 Oncogene Proteins 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 108091081021 Sense strand Proteins 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- -1 after weighing Substances 0.000 description 1
- 239000011543 agarose gel Substances 0.000 description 1
- 238000000246 agarose gel electrophoresis Methods 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000035269 cancer or benign tumor Diseases 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000006037 cell lysis Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000006285 cell suspension Substances 0.000 description 1
- 230000004700 cellular uptake Effects 0.000 description 1
- 210000004691 chief cell of stomach Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009137 competitive binding Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 239000003398 denaturant Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002224 folic acids Chemical class 0.000 description 1
- 238000001415 gene therapy Methods 0.000 description 1
- 238000012637 gene transfection Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000005847 immunogenicity Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 210000004962 mammalian cell Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 102000006240 membrane receptors Human genes 0.000 description 1
- 108020004999 messenger RNA Proteins 0.000 description 1
- 108091074487 miR-34 stem-loop Proteins 0.000 description 1
- 108091092493 miR-34-1 stem-loop Proteins 0.000 description 1
- 108091059780 miR-34-2 stem-loop Proteins 0.000 description 1
- 108091086713 miR-96 stem-loop Proteins 0.000 description 1
- 108091070961 miR-96-3 stem-loop Proteins 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- ZODDGFAZWTZOSI-UHFFFAOYSA-N nitric acid;sulfuric acid Chemical compound O[N+]([O-])=O.OS(O)(=O)=O ZODDGFAZWTZOSI-UHFFFAOYSA-N 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000002415 sodium dodecyl sulfate polyacrylamide gel electrophoresis Methods 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000002626 targeted therapy Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 235000019156 vitamin B Nutrition 0.000 description 1
- 239000011720 vitamin B Substances 0.000 description 1
- 229940046001 vitamin b complex Drugs 0.000 description 1
- 238000001262 western blot Methods 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310518253.3A CN103555767B (zh) | 2013-10-28 | 2013-10-28 | 一种层层自组装的microRNA纳米载体的制备方法及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310518253.3A CN103555767B (zh) | 2013-10-28 | 2013-10-28 | 一种层层自组装的microRNA纳米载体的制备方法及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103555767A CN103555767A (zh) | 2014-02-05 |
CN103555767B true CN103555767B (zh) | 2016-07-13 |
Family
ID=50010113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310518253.3A Expired - Fee Related CN103555767B (zh) | 2013-10-28 | 2013-10-28 | 一种层层自组装的microRNA纳米载体的制备方法及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103555767B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107865970B (zh) * | 2016-09-27 | 2021-04-02 | 中国科学院理化技术研究所 | 一种以纳米金刚石为载体的多功能靶向给药体系的构建及其应用 |
CN109486906A (zh) * | 2018-11-16 | 2019-03-19 | 中山大学附属第五医院 | 基于静电亲和纳米转运载体及细胞成像的胞内microRNA非酶扩增检测方法 |
CN111000566B (zh) * | 2019-12-13 | 2021-05-11 | 江南大学 | 具有光热效应和抗菌功能的可穿戴柔性传感器 |
CN114908123B (zh) * | 2021-02-08 | 2024-02-02 | 中国科学院生物物理研究所 | 介导非编码小rna进入细胞的方法 |
CN113402722B (zh) * | 2021-05-28 | 2023-03-24 | 云南师范大学 | 一种鱼精蛋白复合材料及其制备方法和应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102525882A (zh) * | 2012-02-28 | 2012-07-04 | 上海市肿瘤研究所 | 一种纳米复合温敏凝胶剂及其制备方法和应用 |
CN102600474A (zh) * | 2012-02-17 | 2012-07-25 | 上海市肿瘤研究所 | 聚乙二醇-聚乳酸羟基乙酸-聚-l-赖氨酸嵌段聚合物在递送药物或基因中的应用 |
WO2012107579A1 (en) * | 2011-02-10 | 2012-08-16 | Ruprecht-Karls-Universität Heidelberg | Hydrophobic modified peptides and their use for liver specific targeting |
CN103060379A (zh) * | 2012-12-25 | 2013-04-24 | 北京工业大学 | 一种鱼精蛋白-纳米金刚石复合材料的制备方法及其应用 |
-
2013
- 2013-10-28 CN CN201310518253.3A patent/CN103555767B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012107579A1 (en) * | 2011-02-10 | 2012-08-16 | Ruprecht-Karls-Universität Heidelberg | Hydrophobic modified peptides and their use for liver specific targeting |
CN102600474A (zh) * | 2012-02-17 | 2012-07-25 | 上海市肿瘤研究所 | 聚乙二醇-聚乳酸羟基乙酸-聚-l-赖氨酸嵌段聚合物在递送药物或基因中的应用 |
CN102525882A (zh) * | 2012-02-28 | 2012-07-04 | 上海市肿瘤研究所 | 一种纳米复合温敏凝胶剂及其制备方法和应用 |
CN103060379A (zh) * | 2012-12-25 | 2013-04-24 | 北京工业大学 | 一种鱼精蛋白-纳米金刚石复合材料的制备方法及其应用 |
Non-Patent Citations (1)
Title |
---|
肿瘤特异性标志及生物靶向纳米制剂的研究;牛瑞芳;《中国博士学位论文全文数据库》;20130515(第5期);摘要 * |
Also Published As
Publication number | Publication date |
---|---|
CN103555767A (zh) | 2014-02-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Xi et al. | Drug loading techniques for exosome-based drug delivery systems | |
Wang et al. | Near-infrared light triggered photodynamic therapy in combination with gene therapy using upconversion nanoparticles for effective cancer cell killing | |
CN103555767B (zh) | 一种层层自组装的microRNA纳米载体的制备方法及其应用 | |
Ladeira et al. | Highly efficient siRNA delivery system into human and murine cells using single-wall carbon nanotubes | |
Zhang et al. | Multifunctional fluorescent-magnetic polyethyleneimine functionalized Fe 3 O 4–mesoporous silica yolk–shell nanocapsules for siRNA delivery | |
Zhang et al. | DNA tetrahedron delivery enhances doxorubicin-induced apoptosis of HT-29 colon cancer cells | |
CN103060379B (zh) | 一种鱼精蛋白-纳米金刚石复合材料的制备方法及其应用 | |
Rabiee et al. | Aptamer hybrid nanocomplexes as targeting components for antibiotic/gene delivery systems and diagnostics: a review | |
CN106890343B (zh) | 一种靶向型多肽纳米基因载体复合物 | |
Li et al. | A siRNA-induced peptide co-assembly system as a peptide-based siRNA nanocarrier for cancer therapy | |
JP2021534237A (ja) | 吸入用細胞外小胞 | |
Sun et al. | Targeting and regulating of an oncogene via nanovector delivery of MicroRNA using patient-derived xenografts | |
CN108175759A (zh) | 一种抗肿瘤靶向给药系统及其制备方法与应用 | |
Sancho-Albero et al. | Use of exosomes as vectors to carry advanced therapies | |
Cen et al. | Improving magnetofection of magnetic polyethylenimine nanoparticles into MG-63 osteoblasts using a novel uniform magnetic field | |
Zhang et al. | High transfection efficiency of quantum dot-antisense oligonucleotide nanoparticles in cancer cells through dual-receptor synergistic targeting | |
CN105802998B (zh) | 一种层层包覆结构的磁性纳米球及其制备方法和应用 | |
CN102935239B (zh) | 用于预防或治疗肺癌的制剂及其制备方法与应用 | |
CN109651811A (zh) | 磁性sf/pei纳米颗粒及其用途 | |
Yang et al. | Enhanced survivin siRNA delivery using cationic liposome incorporating fatty acid-modified polyethylenimine | |
Vankayala et al. | A general strategy to achieve ultra-high gene transfection efficiency using lipid-nanoparticle composites | |
Li et al. | Rod-shaped polypeptide nanoparticles for siRNA delivery | |
Li et al. | siRNA design and delivery based on carbon nanotubes | |
Yang et al. | Attaching biosynthesized bacterial magnetic particles to polyethylenimine enhances gene delivery into mammalian cells | |
CN105169402A (zh) | 靶向免疫治疗胰腺癌的载药纳米微粒及其应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170527 Address after: 610000 Tianfu Life Science Park, No. 88 South Garden Road, Chengdu hi tech Zone, Sichuan, China Patentee after: Chengdu Dapu Medical Devices Co., Ltd. Address before: 100124 Chaoyang District, Beijing Ping Park, No. 100 Patentee before: Beijing University of Technology |
|
TR01 | Transfer of patent right |
Effective date of registration: 20170830 Address after: 100000, No. 100, Paradise Village, Chaoyang District, Beijing Patentee after: Sheng Wang Address before: 610000 Tianfu Life Science Park, No. 88 South Garden Road, Chengdu hi tech Zone, Sichuan, China Patentee before: Chengdu Dapu Medical Devices Co., Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171117 Address after: 610000, 99, 1, 107, 1, No. 3, No. 1, West Street, Jinhui District, Chengdu, Sichuan Patentee after: Chengdu Yu Huanong Biological Technology Co. Ltd. Address before: 100000, No. 100, Paradise Village, Chaoyang District, Beijing Patentee before: Sheng Wang |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20181028 |