Abstract: An arrangement is provided for the care of contact lenses. The arrangement has at least one cup-shaped container made of glass. An interior side of the container carries a platinum layer. The container is exchangeably insertable into a housing, and an H.sub.2 O.sub.2 care solution is chargeable into the container. A lid is connected in a gastight manner with the housing during closing.

Abstract: An implant having a surface coating of growth factors for animal or human cells, wherein the growth factors are covalently bonded to bonding-active groups of a polymer on the base body of the implant.

Abstract: A carrier for the cultivation of animal and/or human cells in a fermenter, comprises a polymer base body of a solid formed into a pressure-resistant matrix, with a capillary system for carrying the liquid cell culture medium therethrough, with no cell growth occurring therein, and with interstices for three-dimensional cell growth therein, growth factors for the cells being covalently bonded to the boundary surfaces of the interstices. The carrier can provide a high level of cell density of the order of magnitude of 10.sup.9 cells/ml, by three-dimensional cell growth.