Dai Nippon Printing Co., Ltd.

Yuya Takasugi

Hiroshi Matsuzaki

Tomonori Akai

Naoki Yokoyama

Katsunobu Ito

Takuya Yasutomi

There is provided a polyethylene film and a laminate which can be used to produce a package having high heat resistance, strength and recycling suitability in place of a lamination film conventionally used in a package. The polyethylene film of the present invention is irradiated with an electron beam on its only one side, and comprises polyethylene and a crosslinking agent, in which the crosslink density of the polyethylene is different between the side irradiated with an electron beam and the other side not irradiated with an electron beam.

Polyethylene film, laminate and package using the same

The invention provides a laminate having excellent oxygen barrier properties and excellent flex resistance, and a packaging material comprising the laminate. A laminate having at least a substrate layer, an adhesive layer, a barrier layer and a sealant layer, and a packaging material comprising the laminate, wherein the adhesive layer is a layer having oxygen barrier properties.

Laminate having oxygen barrier properties and packaging material comprising laminate

This invention provides a means for cell migration assays by regulating the cells adhered to a substrate so that they migrate to a given region, which is a substrate used for cell culture comprising: a base material comprising a conductive region and an insulating region provided thereon and cell-adhesive regions and non-cell-adhesive regions provided in the conductive region and the insulating region, respectively, wherein a cell-adhesive region is positioned adjacent to a non-cell-adhesive region in the conductive region, and a cell-adhesive region is positioned adjacent to a non-cell-adhesive region in the insulating region.

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Tokyo, Japan

Yuya Takasugi