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    • 4. 发明申请
    • SELECTIVE DEPOSITION OF MATERIALS ON CONTOURED SURFACES
    • 选择性沉积在表面上的材料
    • WO2002086452A2
    • 2002-10-31
    • PCT/US2002/009149
    • 2002-03-25
    • PRESIDENT AND FELLOWS OF HARVARD COLLEGECHILDREN'S MEDICAL CENTER CORPORATIONOSTUNI, EmanueleCHEN, Christopher, S.INGBER, Donald, E.WHITESIDES, George, M.
    • OSTUNI, EmanueleCHEN, Christopher, S.INGBER, Donald, E.WHITESIDES, George, M.
    • G01N
    • B01L3/5085B01J2219/00317B01J2219/00605B01J2219/00612B01J2219/00619B01J2219/00621B01J2219/00637B01J2219/00659B01J2219/00743B01L3/5088C12N11/08Y10S530/812Y10S530/815
    • The present invention is directed to a method of patterning materials, such as proteins, on a contoured surface by depositing them onto protrusions on the surface and to a cell containment device that may be constructed by this method. In one embodiment, the present invention is directed to a method of selectively depositing a material on a substrate including a contoured surface including a protrusion and a recess. The method includes applying a first fluid to the contoured surface of the substrate and allowing the first fluid to distribute across a portion of the contoured surface such that the first fluid contacts the protrusion and not the recess. The method also includes allowing a first material to deposit on the substrate where the substrate is in contact with the first fluid. Optionally, this method may further include applying a second fluid to the contoured surface of the substrate, allowing the second fluid to distribute across a portion of the contoured surface such that the second fluid contacts the recess, and allowing a second material to deposit on the substrate where the substrate is in contact with the second fluid. Optionally, the method may still further include applying a third fluid to the contoured surface of the substrate, allowing the third fluid to distribute across a portion of the contoured surface, and allowing a third material with an affinity for one of the first material and the second material to deposit on the substrate only where the one of the first material and the second material is deposited. In one embodiment, of this method the first material is a cytophobic material, the second material is a cytophilic material and the third material is a cell. In another embodiment, the present invention is directed to a cell containment device, including a substrate having a contoured surface, a recess in the surface of the substrate, cytophobic material connected to the surface of the substrate outside the recess and a cytophilic material connected to the recess.
    • 本发明涉及通过将材料沉积在表面上的突起上以及可以通过该方法构建的细胞容纳装置,在轮廓表面上图案化材料(例如蛋白质)的方法。 在一个实施例中,本发明涉及一种选择性地将材料沉积在包括突起和凹陷的轮廓表面的基底上的方法。 该方法包括将第一流体施加到基底的轮廓表面,并允许第一流体分布在轮廓表面的一部分上,使得第一流体接触突出体而不是凹部。 该方法还包括允许第一材料沉积在衬底上,其中衬底与第一流体接触。 可选地,该方法还可以包括将第二流体施加到基底的轮廓表面,允许第二流体跨过轮廓表面的一部分分布,使得第二流体接触凹部,并允许第二材料沉积在 衬底,其中衬底与第二流体接触。 可选地,该方法还可以进一步包括将第三流体施加到基底的轮廓表面,允许第三流体跨越轮廓表面的一部分分布,并允许具有与第一材料和 第二材料仅沉积在第一材料和第二材料之一上沉积在基底上。 在一个实施方案中,该方法的第一种材料是细胞免疫材料,第二种材料是嗜细胞性材料,第三种材料是细胞。 在另一个实施方案中,本发明涉及一种细胞容纳装置,包括具有轮廓表面的基底,基底表面中的凹槽,连接到凹部外部的基底表面的细胞免疫材料和连接到 凹槽