US5324591A
Expired / Lapsed
US
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Deep ultraviolet photolithographically defined ultra-thin films for selective cell adhesion and outgrowth and method of manufacturing the same and devices containing the same
Assignee: Geo Centers Inc
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Filing: 1990-10-16
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Granted: 1994-06-28
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Expires: 2010-10-16
Abstract
Abstract Patterned surfaces for the selective adhesion and outgrowth of cells are useful in cell culture devices, prosthetic implants, and cell-based microsensors. Such surfaces may be prepared by a deep ultraviolet photolithographic technique.
Inventors
- 👤 Jacque H. Georger, Jr.
- 👤 David A. Stenger
- 👤 Thomas L. Fare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:30
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/16; G03F7/165; B; B05; B05D; B05D1/00; B05D1/18; B05D1/185; B82; B82Y; B82Y10/00; B82Y30/00; B82Y40/00; C; C09; C09D; C09D4/00; C12; C12N; C12N5/00; C12N5/0068; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1603; C23C18/1607; C23C18/1608; C23C18/1612; C23C18/18; C23C18/1851; C23C18/1872; C23C18/1886; C23C18/1893; G03F7/004; G06; G06N; G06N3/00; G06N3/002; G06N99/00; G06N99/007; H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/181; H05K3/182; H05K3/185; H10; H10K; H10K10/00; H10K10/701; H10P; H10P14/00; H10P14/40; H10P14/46; H10P14/47; B01; B01J; B01J2219/00; B01J2219/00274; B01J2219/00277; B01J2219/00351; B01J2219/00427; B01J2219/00432; B01J2219/00583; B01J2219/00603; B01J2219/00605; B01J2219/0061; B01J2219/00612; B01J2219/00614; B01J2219/00617; B01J2219/00621; B01J2219/00623; B01J2219/00626; B01J2219/0063; B01J2219/00632; B01J2219/00637; B01J2219/00659; B01J2219/00709; B01J2219/00711; B82Y5/00; C12N2535/00; C12N2535/10; C40; C40B; C40B60/00; C40B60/14; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12056; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
115 words
A patterned surface for the selective adhesion and outgrowth of cells, comprising a patterned ultra-thin film wherein said ultra-thin film contains at least a first portion which has an exposed surface of a cell adhesion promoter and at least a second portion having an exposed surface of a cell adhesion inhibitor, wherein said cell adhesion promoter contains a group selected from the group consisting of --NHCH 2 CH 2 NHCH 2 CH 2 NH 2 , --NHCH 2 CH 2 NH 2 , 11-aminoundecyl, 3-aminopropyl, 3-(-aminopropoxy)-3,3-dimethyl-1-propenyl, 6-(aminohexyl)propyl, N-(2-aminoethyl)-3-aminopropyl, --(CH 2 ) 3 --NH--(CH 2 ) 2 --NH--(CH 2 ) 3 , Gly-Arg-Gly-Asp-Tyr-, and Gly-Tyr-Ile-Gly-Ser-Arg-Tyr, and wherein said cell adhesion inhibitor contains a fluorinated alkyl group.
Claim 2
Dependent Claim
115 words
A patterned surface for the selective adhesion and outgrowth of cells, comprising a patterned ultra-thin film wherein said ultra-thin film contains at least a first portion which has an exposed surface of a cell adhesion promoter and at least a second portion having an exposed surface of a cell adhesion inhibitor, wherein said cell adhesion promoter contains a group selected from the group consisting of --NHCH 2 CH 2 NHCH 2 CH 2 NH 2 , --NHCH 2 CH 2 NH 2 , 11-aminoundecyl, 3-aminopropyl, 3-(-aminopropoxy)-3,3-dimethyl-1-propenyl, 6-(aminohexyl)propyl, N-(2-aminoethyl)-3-aminopropyl, --(CH 2 ) 3 --NH--(CH 2 ) 2 --NH--(CH 2 ) 3 , Gly-Arg-Gly-Asp-Tyr-, and Gly-Tyr-Ile-Gly-Ser-Arg-Tyr, and wherein said cell adhesion inhibitor contains a fluorinated alkyl group.
Claim 3
Dependent Claim
41 words
The patterned surface of claim 1, wherein said ultra-thin film is coated on a substrate selected from the group consisting of silica, silicon, germanium, gallium, arsenide, epoxy resin, polystyrene, polysulfone, aluminum, platinum, alumina, silicone, fluoropolymers, polyesters, acrylic copolymers, polyglactin, and polylactates.
Claim 4
Dependent Claim
49 words
The patterned surface of claim 1, wherein greater than 98% of a number of cells plated on said first portion adhere to said first portion after rinsing, and wherein less than 2% of a number of cells plated on said second portion adhere to said second portion after rinsing.
Claim 5
Dependent Claim
14 words
The patterned surface of claim 1, exhibiting an adhesion selectively of at least 75%.
Claim 6
Dependent Claim
14 words
The patterned surface of claim 4, exhibiting an adhesion selectivity of at least 90%.
Claim 7
Dependent Claim
33 words
The patterned surface of claim 1, wherein said cell adhesion promoter contains a --NHCH 2 CH 2 NHCH 2 CH 2 NH 2 group or a --NHCH 2 CH 2 NH 2 group.
Claim 8
Dependent Claim
265 words
A patterned surfce for the selective adhesion and outgrowth of cells, comprising a patterned ultra-thin film wherein said ultra-thin film contains at least a first portion which has an exposed surface of a cell adhesion promoter and at least a second portion having an exposed surface of a cell adhesion inhibitor, wherein said patterned surface is prepared by a method comprising: (i) coating a substrate with a compound to obtain an ultra-thin film which is reactive to radition and has an exposed surface of at least one cell adhesion promoter or cell adhesion inhibitor; (ii) irradiating said ultra-thin film in a patternwise fashion to obtain an irradiated film with a surface region in which at least a fraction of said cell adhesion promoter or cell adhesion inhibitor has been removed; and (iii) treating said irradiated film with a second compound to bind to said surface region in which at least a fraction of said cell adhesion promoter or said cell adhesion inhibitor has been removed; wherein said first compound is (a) cell adhesion promoter compound selected from the group consisting of trimethoxysilane N-(2-aminoethyl-3-aminopropyl) trimethoxysilane, 11-aminoundecytrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-aminopropylmethyldiethoxysilane, 3-aminopropyldimethylethoxysilane, 3-(1-aminopropoxy)-3,3-dimethyl-1-propenyltrimethoxysilane, 6-(aminohexylaminopropyl)trimethoxysilane, N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane, bis[3-(trimethoxysilyl)propyl]ethylenediamine, trimethoxysilylpropyldiethylenetriamine, (aminoethylaminomethyl)phenethyltrimethoxysilane, isopropyltri-(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(amino)phenyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethylzirconate, and neopentyl(diallyl)oxytri(m-amino)phenylzirconate; (b) a cell adhesion inhibitor compound selected from the group consisting of tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-dimethylchlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-trichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-methyldichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-triethoxysilane, (3,3,3-trifluoropropyl)trichlorosilane, (3,3,3-triflurorpropyl)methyldichlorosilane, (3,3,3-triflurorpropyl)-dimethylchlorosilane, (3,3,3-trifluoropropyl)methyldimethoxysilane, (3,3,3-trifluoropropyl)trimethoxysilane, (heptafluoroisopropoxy) propylmethyldichlorosilane, and (3-pentafluorophenylpropyl) dimethylchlorosilane; and wherein when said first compound is a cell adhesion promoter, said second compound is a cell adhesion inhibitor; and wherein when said first compound is a cell adhesion inhibitor, said second compound is a cell adhesion promoter.
Claim 9
Dependent Claim
265 words
A patterned surfce for the selective adhesion and outgrowth of cells, comprising a patterned ultra-thin film wherein said ultra-thin film contains at least a first portion which has an exposed surface of a cell adhesion promoter and at least a second portion having an exposed surface of a cell adhesion inhibitor, wherein said patterned surface is prepared by a method comprising: (i) coating a substrate with a compound to obtain an ultra-thin film which is reactive to radition and has an exposed surface of at least one cell adhesion promoter or cell adhesion inhibitor; (ii) irradiating said ultra-thin film in a patternwise fashion to obtain an irradiated film with a surface region in which at least a fraction of said cell adhesion promoter or cell adhesion inhibitor has been removed; and (iii) treating said irradiated film with a second compound to bind to said surface region in which at least a fraction of said cell adhesion promoter or said cell adhesion inhibitor has been removed; wherein said first compound is (a) cell adhesion promoter compound selected from the group consisting of trimethoxysilane N-(2-aminoethyl-3-aminopropyl) trimethoxysilane, 11-aminoundecytrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-aminopropylmethyldiethoxysilane, 3-aminopropyldimethylethoxysilane, 3-(1-aminopropoxy)-3,3-dimethyl-1-propenyltrimethoxysilane, 6-(aminohexylaminopropyl)trimethoxysilane, N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane, bis[3-(trimethoxysilyl)propyl]ethylenediamine, trimethoxysilylpropyldiethylenetriamine, (aminoethylaminomethyl)phenethyltrimethoxysilane, isopropyltri-(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(amino)phenyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethylzirconate, and neopentyl(diallyl)oxytri(m-amino)phenylzirconate; (b) a cell adhesion inhibitor compound selected from the group consisting of tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-dimethylchlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-trichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-methyldichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-triethoxysilane, (3,3,3-trifluoropropyl)trichlorosilane, (3,3,3-triflurorpropyl)methyldichlorosilane, (3,3,3-triflurorpropyl)-dimethylchlorosilane, (3,3,3-trifluoropropyl)methyldimethoxysilane, (3,3,3-trifluoropropyl)trimethoxysilane, (heptafluoroisopropoxy) propylmethyldichlorosilane, and (3-pentafluorophenylpropyl) dimethylchlorosilane; and wherein when said first compound is a cell adhesion promoter, said second compound is a cell adhesion inhibitor; and wherein when said first compound is a cell adhesion inhibitor, said second compound is a cell adhesion promoter.
Claim 10
Dependent Claim
36 words
The patterned surface of claim 7, wherein said substrate is selected from the group consisting of silica, silicon, germanium, gallium, arsenide, epoxy resin, polystyrene, polysulfone, aluminum, platinum, alumina, silicone, fluoropolymers, polyesters, acrylic copolymers, polyglactin, and polylactates.
Claim 11
Dependent Claim
49 words
The patterned surface of claim 7, wherein greater than 98% of a number of cells plated on said first portion adhere to said first portion after rinsing, and wherein less than 2% of a number of cells plated on said second portion adhere to said second portion after rinsing.
Claim 12
Dependent Claim
14 words
The patterned surface of claim 7, exhibiting an adhesion selectively of at least 75%.
Claim 13
Dependent Claim
14 words
The patterned surface of claim 10, exhibiting an adhesion selectivity of at least 90%.
Claim 14
Dependent Claim
270 words
A cell culture apparatus, having a patterned surface for the selective adhesion and outgrowth of cells, comprising a patterned ultra-thin film wherein said ultra-thin film contains at least a first portion which has an exposed surface of a cell adhesion promoter and at least a second portion having an exposed surface of a cell adhesion inhibitor, wherein said patterned surface is prepared by a method, comprising: (i) coating a substrate with a compound to obtain an ultra-thin film which is reactive to radiation and has an exposed surface of at least one cell adhesion promoter or cell adhesion inhibitor; (ii) irradiating said ultra-thin film in a patternwise fashion to obtain an irradiated film with a surface region in which at least a fraction of said cell adhesion promoter or cell adhesion inhibitor has been removed; and (iii) treating said irradiated film with a second compound to bind to said surface region in which at least a fraction of said cell adhesion promoter or said cell adhesion inhibitor has been removed: wherein said first compound is (a) cell adhesion promoter compound selected from the group consisting of trimethoxysilane N-(2-aminoethyl-3-aminopropyl) trimethoxysilane, 11-aminoundecyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-aminopropylmethyldiethoxysilane, 3-aminopropyldimethylethoxysilane, 3-(1-aminopropoxy)-3,3-dimethyl-1-propenyltrimethoxysilane, 6-(aminohexylaminopropyl)trimethoxysilane, N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane, bis[3-(trimethoxysilyl)propyl]ethylenediamine, trimethoxysilylpropyldiethylenetriamine, (aminoethylaminomethyl)phenethyltrimethoxysilane, isopropyltri-(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(amino)phenyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethylzirconate, and neopentyl(diallyl)oxytri(m-amino)phenylzirconate; (b) a cell adhesion inhibitor compound selected from the group consisting of tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-dimethylchlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-trichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-methyldichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-triethoxysilane, (3,3,3-trifluoropropyl)trichlorosilane, (3,3,3-trifluoropropyl)methyldichlorosilane, (3,3,3-trifluoropropyl)-dimethylchlorosilane, (3,3,3-trifluoropropyl)methyldimethoxysilane, (3,3,3-trifluoropropyl)trimethoxysilane, (heptafluoroisopropoxy) propylmethyldichlorosilane, and (3-pentafluorophenylpropyl) dimethylchlorosilane; and wherein when said first compound is a cell adhesion promoter, said second compound is a cell adhesion inhibitor; and wherein when said first compound is a cell adhesion inhibitor, said second compound is a cell adhesion promoter.
Claim 15
Dependent Claim
270 words
A cell culture apparatus, having a patterned surface for the selective adhesion and outgrowth of cells, comprising a patterned ultra-thin film wherein said ultra-thin film contains at least a first portion which has an exposed surface of a cell adhesion promoter and at least a second portion having an exposed surface of a cell adhesion inhibitor, wherein said patterned surface is prepared by a method, comprising: (i) coating a substrate with a compound to obtain an ultra-thin film which is reactive to radiation and has an exposed surface of at least one cell adhesion promoter or cell adhesion inhibitor; (ii) irradiating said ultra-thin film in a patternwise fashion to obtain an irradiated film with a surface region in which at least a fraction of said cell adhesion promoter or cell adhesion inhibitor has been removed; and (iii) treating said irradiated film with a second compound to bind to said surface region in which at least a fraction of said cell adhesion promoter or said cell adhesion inhibitor has been removed: wherein said first compound is (a) cell adhesion promoter compound selected from the group consisting of trimethoxysilane N-(2-aminoethyl-3-aminopropyl) trimethoxysilane, 11-aminoundecyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-aminopropylmethyldiethoxysilane, 3-aminopropyldimethylethoxysilane, 3-(1-aminopropoxy)-3,3-dimethyl-1-propenyltrimethoxysilane, 6-(aminohexylaminopropyl)trimethoxysilane, N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane, bis[3-(trimethoxysilyl)propyl]ethylenediamine, trimethoxysilylpropyldiethylenetriamine, (aminoethylaminomethyl)phenethyltrimethoxysilane, isopropyltri-(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethyltitanate, neopentyl(diallyl)oxytri(amino)phenyltitanate, neopentyl(diallyl)oxytri(n-ethylenediamino)ethylzirconate, and neopentyl(diallyl)oxytri(m-amino)phenylzirconate; (b) a cell adhesion inhibitor compound selected from the group consisting of tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-dimethylchlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-trichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-methyldichlorosilane, tridecafluoro-1,1,2,2-tetrahydrooctyl)-1-triethoxysilane, (3,3,3-trifluoropropyl)trichlorosilane, (3,3,3-trifluoropropyl)methyldichlorosilane, (3,3,3-trifluoropropyl)-dimethylchlorosilane, (3,3,3-trifluoropropyl)methyldimethoxysilane, (3,3,3-trifluoropropyl)trimethoxysilane, (heptafluoroisopropoxy) propylmethyldichlorosilane, and (3-pentafluorophenylpropyl) dimethylchlorosilane; and wherein when said first compound is a cell adhesion promoter, said second compound is a cell adhesion inhibitor; and wherein when said first compound is a cell adhesion inhibitor, said second compound is a cell adhesion promoter.
Claim 16
Dependent Claim
37 words
The cell culture apparatus of claim 12, wherein said substrate is selected from the group consisting of silica, silicon, germanium, gallium, arsenide, epoxy resin, polystyrene, polysulfone, aluminum, platinum, alumina, silicone, fluoropolymers, polyesters, acrylic copolymers, polyglactin, and polylactates.
Claim 17
Dependent Claim
50 words
The cell culture apparatus of claim 12, wherein greater than 98% of a number of cells plated on said first portion adhere to said first portion after rinsing, and wherein less than 2% of a number of cells plated on said second portion adhere to said second portion after rinsing.
Claim 18
Dependent Claim
15 words
The cell culture apparatus of claim 12, exhibiting an adhesion selectivity of at least 75%.
Claim 19
Dependent Claim
15 words
The cell culture apparatus of claim 12, exhibiting an adhesion selectivity of at least 90%.
Claim 20
Dependent Claim
128 words
A cell-based microsensor, comprising: (i) at least one transducer; and (ii) a substrate having a patterned surface for the selective adhesion and outgrowth of cells; wherein said patterned surface contains at least one region having an exposed surface of at least one cell adhesion promoter, such that said region is spatially related to said transducer so that a cell adhering to said region may be stimulated or detected by said transducer; wherein said cell adhesion promoter contains a terminal group selected from the group consisting of --NHCH 2 CH 2 NHCH 2 CH 2 NH 2 , --NHCH 2 CH 2 NH 2 , 11-aminoundecyl, 3-aminopropyl, 3-(1-aminopropoxy)-3,3-dimethyl-1-propenyl, 6-(aminohexyl)propyl, N-(2-aminoethyl)-3-aminopropyl, --(CH 2 ) 3 --NH-- (CH 2 ) 3 --NH-- (CH 2 ) 3 , Gly-Arg-Gly-Asp- Tyr-, and Gly-Tyr-Ile-Gly-Ser-Arg-Tyr.
Claim 21
Dependent Claim
128 words
A cell-based microsensor, comprising: (i) at least one transducer; and (ii) a substrate having a patterned surface for the selective adhesion and outgrowth of cells; wherein said patterned surface contains at least one region having an exposed surface of at least one cell adhesion promoter, such that said region is spatially related to said transducer so that a cell adhering to said region may be stimulated or detected by said transducer; wherein said cell adhesion promoter contains a terminal group selected from the group consisting of --NHCH 2 CH 2 NHCH 2 CH 2 NH 2 , --NHCH 2 CH 2 NH 2 , 11-aminoundecyl, 3-aminopropyl, 3-(1-aminopropoxy)-3,3-dimethyl-1-propenyl, 6-(aminohexyl)propyl, N-(2-aminoethyl)-3-aminopropyl, --(CH 2 ) 3 --NH-- (CH 2 ) 3 --NH-- (CH 2 ) 3 , Gly-Arg-Gly-Asp- Tyr-, and Gly-Tyr-Ile-Gly-Ser-Arg-Tyr.
Claim 22
Dependent Claim
35 words
The microsensor of claim 17, wherein said substrate is selected from the group consisting of silica, silicon, germanium, gallium, arsenide, epoxy resin, polystyrene, polysulfone, aluminum, platinum, alumina, silicone, fluoropolymers, polyesters, acrylic copolymers, polyglactin, and polylactates.
Claim 23
Dependent Claim
42 words
The microsensor of claim 17, wherein greater than 98% of a number of cells plated on said exposed surface of said at least one cell adhesion promoter adhere to said exposed surface of said at least one cell adhesion promoter, after rinsing.
Claim 24
Dependent Claim
33 words
The patterned surface of claim 17, wherein said cell adhesion promoter contains a --NHCH 2 CH 2 NHCH 2 CH 2 NH 2 group or a --NHCH 2 CH 2 NH 2 group.
References Cited (Backward Citations)
US4011308A
Cited
US4151053A
Cited
US4225647A
Cited
US4225647B1
Cited
US4578079A
Cited
US4591570A
Cited
US4562157A
Cited
US4832759A
Cited
US4910153A
Cited
US5006397A
Cited
WO1989002457A1
Cited
US5020881A
Cited
US5091285A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1997-06-27 | 1997-12-27 | 1998-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-27 | 2001-12-27 | 2002-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-27 | 2005-12-27 | 2006-06-28 | $7700.00 | Window Closed / Lapsed |