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    • 2. 发明授权
    • DYNAMIC COATING
    • 动态涂料
    • EP1218426B1
    • 2006-01-04
    • EP00960498.4
    • 2000-08-21
    • Chiari, Marcella
    • Chiari, Marcella
    • C08F220/54G01N27/447
    • G01N27/44752C08F220/54C08F220/56C12N9/1252C12Q1/6869C12Q2535/101C12Q2531/113C12Q2521/101
    • The instant invention describes uncharged water-soluble polymers to suppress electroosmotic flow in capillary electrophoresis. The polymers in the instant invention are copolymers of various derivatives of acrylamide and methacrylamide monomers with various glycidyl group containing monomers e.g., dimethylacrylamide and allyl glycidyl ether -epoxy poly (DMA)-, copolymers of various derivatives of acrylamide and methacrylamide with various allyl group containing carbohydrates and various glycidyl group containing monomers, such as allyl β-D-pyranoside (typically β-D-Glucopyranoside) or allyl β-D-furanoside, allyl glycidyl ether -epoxy poly (AG-AA) and copolymers of four different monomers including various acryl and methacrylamide, various allyl group containing carbohydrates, various glycidyl group containing monomer and various diol group containing monomer, such as acrylamide, allyl -βD-pyranoside (typically β-D-galactopyranoside or N-allylgluconamide) or allyl β-D furanoside, allyl glycydyl ether and allyoxy-1,2 propanediol -epoxy poly (AGal-AA-APD). The subject polymers adsorb onto the capillary surface, forming a highly hydrophilic, dynamic coating that suppresses electroosmotic flow. The subject polymers may be used as a coating prior to use of an electrophoresis microchannel or may be included in a separation media contained within the capillary column. The instant coatings and media are especially suitable for applications pertaining to the electrophoretic separation of various biomelecules, such as protein and DNA.
    • 4. 发明申请
    • GENOTYPING OF MUTATIONS BY COMBINATION OF IN-TUBE HYBRIDIZATION AND UNIVERSAL TAG-MICROARRAY
    • WO2018178943A1
    • 2018-10-04
    • PCT/IB2018/052219
    • 2018-03-30
    • CHIARI, MarcellaDAMIN, FrancescoGALBIATI, SilviaFERRARI, Maurizio
    • CHIARI, MarcellaDAMIN, FrancescoGALBIATI, SilviaFERRARI, Maurizio
    • C12Q1/6827C12Q1/6837
    • An assay method for a gene fragment of interest comprising: amplify at least one gene fragment of interest comprising or potentially comprising at least one SNP region of interest to form an initial amplification product; forming at least one single strand amplification product from the initial amplification product, wherein the single strand amplification product either comprises or potentially comprises the at least one SNP region of interest; hybridize in solution the single strand amplification product with at least one reporter molecule which comprises at least two, different domains of oligonucleotide, wherein a first domain of oligonucleotide is for hybridization with the single strand amplification product, and wherein the second domain of oligonucleotide is for hybridization to at least one microarray probe surface, wherein the microarray probe surface comprises at least one capture probe to allow for hybridization; contact the solution of the hybridized single strand amplification product with the at least one microarray probe surface which comprises at least one capture probe to allow for hybridization; detect for the presence of the hybridized single strand amplification product on the microarray surface. In the preferred embodiment relevant to cancer genotyping, the unexpectedly good results for KRAS oncogene indicate that all the seven codon 12 and 13 mutations studied could be unambiguously detected in less than 90 minutes in tissue clinical samples. Moreover, this system could reveal mutant alleles representing less than 0.1% of the starting material. By decoupling the mutation detection from the array hybridization, this technology becomes universal.
    • 5. 发明申请
    • NEW CLICKABLE POLYMERS AND GELS FOR MICROARRAY AND OTHER APPLICATIONS
    • 新的点胶聚合物和微胶囊和其他应用的凝胶
    • WO2016092372A1
    • 2016-06-16
    • PCT/IB2015/002470
    • 2015-12-11
    • CHIARI, Marcella
    • CHIARI, Marcella
    • C09D133/26C08F220/40C08F220/54C08F220/56C08F230/08C09D143/04
    • C09D143/04C07H1/06C07H21/04C08F220/54C08L2203/02C08L2312/08C09D133/24C09D133/26G01N33/54353G01N33/545C08F2230/085C08F230/08
    • Fabrication of arrays, including glycan arrays, that combines the higher sensitivity of a layered Si-SiO 2 substrate with novel immobilization chemistry via a "click" reaction. The novel immobilization approach allows the oriented attachment of glycans on a "clickable" polymeric coating. The surface equilibrium dissociation constant (K D ) of Concanavalin A with eight synthetic glycans was determined using fluorescence microarray. The sensitivity provided by the novel microarray substrate enables the evaluation of the influence of the glycan surface density on surface K D values. The interaction of carbohydrates with a variety of biological targets, including antibodies, proteins, viruses and cells are of utmost importance in many aspects of biology. Glycan microarrays are increasingly used to determine the binding specificity of glycan-binding proteins. The click polymers can be prepared in different forms such as soluble polymers, hydrogels, and multi-layers. The polymers can be prepared directly by copolymerization or by copolymerization to form a pre-polymer which is then reacted to form the target polymer. Other uses include separations, including electrophoretic separations.
    • 通过“点击”反应,组合阵列的阵列,其将层状Si-SiO 2衬底的较高灵敏度与新颖的固定化学反应结合在一起。 新型固定化方法允许将聚糖定向附着在“可点击”的聚合物涂层上。 使用荧光微阵列测定具有8个合成聚糖的伴刀豆球蛋白A的表面平衡解离常数(KD)。 由新型微阵列基板提供的灵敏度能够评估聚糖表面密度对表面KD值的影响。 碳水化合物与各种生物靶标(包括抗体,蛋白质,病毒和细胞)的相互作用在生物学的许多方面是至关重要的。 聚糖微阵列越来越多地用于确定聚糖结合蛋白的结合特异性。 点击聚合物可以以不同形式制备,例如可溶性聚合物,水凝胶和多层。 聚合物可以通过共聚合或通过共聚直接制备形成预聚物,然后反应形成目标聚合物。 其他用途包括分离,包括电泳分离。