Abstract: Provided is a resin film having excellent cell extensibility in cell culture. The resin film formed of a scaffold material for cell culture containing a synthetic resin, the resin film having a compressive modulus of 5.5 GPa or more at a frequency of 1 Hz as measured using a nanoindenter device in ion-exchanged water in accordance with ISO14577-1 after being immersed in the ion-exchanged water at 37° C. for 24 hours.

Abstract: Provided is a scaffold material for cell culture with which the culture stability of cells can be maintained over an extended period of time. A scaffold material for cell culture according to the present invention contains a peptide-conjugated (meth)acrylic copolymer having a (meth)acrylic copolymer moiety and a peptide moiety bonded to the (meth)acrylic copolymer moiety, the following relaxation time (CS2) being 5 milliseconds or less. Relaxation time (CS2): a relaxation time of a CS component, which is a component having the lowest molecular mobility among three components, when the scaffold material for cell culture after being brought into contact with heavy water at 25° C. for 18 hours is measured by a CPMG method using pulsed NMR, and the obtained free induction decay curve of spin-spin relaxation of 1H is separated into three components.

Abstract: Provided is a coating solution for forming a cell scaffold with which a cell scaffold having a large thickness can be easily formed and the proliferation of cells can be enhanced. A coating solution for forming a cell scaffold according to the present invention contains a peptide-conjugated resin having a synthetic resin moiety and a peptide moiety and an alcohol solvent, a content of the peptide-conjugated resin being 0.1 wt % or more.

Abstract: Provided is a scaffold material for cell culture with which the culture stability of cells can be maintained over an extended period of time. A scaffold material for cell culture according to the present invention contains a peptide-conjugated (meth)acrylic copolymer having a (meth)acrylic copolymer moiety and a peptide moiety bonded to the (meth)acrylic copolymer moiety, when the peptide-conjugated (meth)acrylic copolymer is subjected to high performance liquid chromatography measurement under the following condition 1, a peak top of a main peak having the largest area among signals being not detected within a retention time of 4 minutes: the condition 1 being: a column of C18 (Inner diameter 3.0 mm×length 150 mm, filler particle size 3.5 ?m), a column temperature of 40° C., a flow rate of 0.3 mL/min, a detector of an evaporative light scattering detector, a mobile phase A (liquid A) of a 0.

Abstract: Provided is a coating solution for forming a cell scaffold with which a cell scaffold having a large thickness can be easily formed and the proliferation of cells can be enhanced. A coating solution for forming a cell scaffold according to the present invention contains a peptide-conjugated resin having a synthetic resin moiety and a peptide moiety and an alcohol solvent, a content of the peptide-conjugated resin being 0.1 wt % or more.

Abstract: Provided is a cell culture scaffold material having excellent cell adhesion. The cell culture scaffold material according to the present invention contains a peptide-conjugated polyvinyl alcohol derivative having a polyvinyl alcohol derivative portion and a peptide portion, and the peptide portion has a cyclic peptide skeleton.

Abstract: Provided is a cell culture scaffold material having excellent extensibility of pseudopodia and excellent cell proliferation. The cell culture scaffold material according to the present invention contains a peptide-conjugated polyvinyl alcohol derivative having a polyvinyl alcohol derivative portion and a peptide portion, and has a hydroxyl value of 1,100 mgKOH/g or less.

Abstract: Provided is a cell culture scaffold capable of allowing cell masses to be formed easily and efficiently. A cell culture scaffold according to the present invention includes a substrate; and a protrusion formed by patterning in a pattern of a dot or a line on the substrate, wherein the protrusion contains a synthetic resin, the synthetic resin contains at least a polyvinyl alcohol derivative or a poly(meth)acrylic resin, the protrusion has cell adhesion, and a portion of the protrusion located at the protrusion center position in plan view has an average height of 10 nm or more and 10 ?m or less.

Abstract: Provided is a resin film having excellent cell extensibility in cell culture. The resin film formed of a scaffold material for cell culture containing a synthetic resin, the resin film having a compressive modulus of 5.5 GPa or more at a frequency of 1 Hz as measured using a nanoindenter device in ion-exchanged water in accordance with ISO14577-1 after being immersed in the ion-exchanged water at 37° C. for 24 hours.

Abstract: Provided is a resin film formed of a cell culture scaffold material, which has excellent fixation of cells after seeding and is capable of enhancing proliferation rate of cells. A resin film formed of a cell culture scaffold material, in which the cell culture scaffold material contains a synthetic resin, and the resin film has phase-separated structure including least a first phase and a second phase, and a ratio of the surface area of one of the first phase and the second phase to the entire surface is 0.01 or more and 0.95 or less.

Abstract: A scaffold material for cell culture having excellent cell colonization is provided. A scaffold material for cell culture according to the present invention includes a synthetic resin having a main chain and a graft chain, wherein the graft chain has a polydentate hydrogen-bonding group represented by the following formula (1) in a side chain: *—R-(Ai)n (1) wherein R represents a group having 50 or less carbon atoms, Ai represents an amino group, a carboxyl group, a hydroxyl group, a sulfone group, an imino group, or a thiol group, i represents a natural number, n represents an integer of two or more and four or less, and * represents a bonding position with another atom constituting the graft chain; and Ai may be identical or different from each other.