The composition for bone regeneration, comprises a) a first phase (3) comprising a plurality of cross-linked hydrogel chunks (1) having a mean diameter of less than 1000 μm and incorporating an amount of mineral particles (2); and b) a second phase (4) comprising a physiologically-compatible aqueous liquid acting as a carrier for the chunks; the chunks being embedded in the second phase (4). The mineral particles (2) have a mean diameter of less than 10 μm and the amount of the mineral particles (2) is less than 20 weight-% of the first phase.

The composition for bone regeneration, comprises a) a first phase (3) comprising a plurality of cross-linked hydrogel chunks (1) having a mean diameter of less than 1000 μm and incorporating an amount of mineral particles (2); and b) a second phase (4) comprising a physiologically-compatible aqueous liquid acting as a carrier for the chunks; the chunks being embedded in the second phase (4). The mineral particles (2) have a mean diameter of less than 10 μm and the amount of the mineral particles (2) is less than 20 weight-% of the first phase.

A polyelectrolyte complex includes nanofibers. The nanofibers include at least one polycationic component and at least one polyanionic component. The nanofibers have a diameter in a range of 20-100 nm. A process for preparing the complex, a method of using the complex, a kit which includes the complex, and a method of inhibiting loss of blood from a wound site by applying the complex to the wound site are also provided.

A polyelectrolyte complex includes nanofibers. The nanofibers include at least one polycationic component and at least one polyanionic component. The nanofibers have a diameter in a range of 20-100 nm. A process for preparing the complex, a method of using the complex, a kit which includes the complex, and a method of inhibiting loss of blood from a wound site by applying the complex to the wound site are also provided.

A molded product of a polypropylene-based resin composition, without containing an inorganic filler, and obtained by a polypropylene-based resin composition that does not contain an inorganic filler and includes: 60 to 90 parts by mass of a polypropylene-based resin (A) including 30 to 80 parts of a propylene-based polymer (a-1) having an MFR of 120 to 250 g/10 min and having 98 to 100 mol % of a propylene constituent unit, and 0 to 30 parts of a propylene/ethylene copolymer (a-2) having an intrinsic viscosity [η] of 4 to 7 dl/g and having 30 to 60 mol % of an ethylene constituent unit; 10 to 40 parts of an ethylene/α-olefin copolymer (B) having an MFR of 0.1 to 7 g/10 min and having an ethylene content of 65 to 90 mol %; 0.2 to 1 part of a fatty acid amide (C); and 0.1 to 1 part of a surfactant (D).

A molded product of a polypropylene-based resin composition, without containing an inorganic filler, and obtained by a polypropylene-based resin composition that does not contain an inorganic filler and includes: 60 to 90 parts by mass of a polypropylene-based resin (A) including 30 to 80 parts of a propylene-based polymer (a-1) having an MFR of 120 to 250 g/10 min and having 98 to 100 mol % of a propylene constituent unit, and 0 to 30 parts of a propylene/ethylene copolymer (a-2) having an intrinsic viscosity [η] of 4 to 7 dl/g and having 30 to 60 mol % of an ethylene constituent unit; 10 to 40 parts of an ethylene/α-olefin copolymer (B) having an MFR of 0.1 to 7 g/10 min and having an ethylene content of 65 to 90 mol %; 0.2 to 1 part of a fatty acid amide (C); and 0.1 to 1 part of a surfactant (D).

Disclosed are biocompatible cryogels comprising one or more biomolecules, such as antibodies, protein complexes, enzymes, dna and polysaccharides. Also disclosed are methods of making the cryogels.

Polymeric compositions are provided that include a poly(ethylene glycol), a viscoelastic polymer, and an antioxidant, where, in polymerized form, the compositions have a refractive index of about 1.30 to about 1.40. Methods of synthesizing the compositions are also provided and include the steps of heating an amount of water; adding a buffering agent to the water to form a buffer solution; mixing a poly(ethylene glycol) and a viscoelastic polymer into the buffer solution to form a reactive mixture; adding a plurality of antioxidant particles to the reactive mixture; and removing suspended gas bubbles from the reactive mixture. Methods of preventing oxidative damage to an eye lens of a subject are further provided and include administering the foregoing polymeric compositions to the eye lens of the subject.

Polymeric compositions are provided that include a poly(ethylene glycol), a viscoelastic polymer, and an antioxidant, where, in polymerized form, the compositions have a refractive index of about 1.30 to about 1.40. Methods of synthesizing the compositions are also provided and include the steps of heating an amount of water; adding a buffering agent to the water to form a buffer solution; mixing a poly(ethylene glycol) and a viscoelastic polymer into the buffer solution to form a reactive mixture; adding a plurality of antioxidant particles to the reactive mixture; and removing suspended gas bubbles from the reactive mixture. Methods of preventing oxidative damage to an eye lens of a subject are further provided and include administering the foregoing polymeric compositions to the eye lens of the subject.

Polymeric compositions are provided that include a poly(ethylene glycol), a viscoelastic polymer, and an antioxidant, where, in polymerized form, the compositions have a refractive index of about 1.30 to about 1.40. Methods of synthesizing the compositions are also provided and include the steps of heating an amount of water; adding a buffering agent to the water to form a buffer solution; mixing a poly(ethylene glycol) and a viscoelastic polymer into the buffer solution to form a reactive mixture; adding a plurality of antioxidant particles to the reactive mixture; and removing suspended gas bubbles from the reactive mixture. Methods of preventing oxidative damage to an eye lens of a subject are further provided and include administering the foregoing polymeric compositions to the eye lens of the subject.