TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The biomass is at least one of Miscanthus, switchgrass, hemp, corn, wheat straw, poplar, willow, Sorghum, sugarcane and bamboo.    TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Methods: The method (M1) further involves oxidizing the nanocrystalline cellulose using at least one of sodium periodate and 2,2,6,6-tetramethylpiperidine-1-oxyl radical to produce oxidized nanocrystalline cellulose. The method (M1) involves extracting the hemicellulose by hydrolyzing the hemi-cellulose into monosaccharides. The method (M1) further involves removing the monosaccharides as the first extract. The hydrolysis step is sulfur dioxide catalyzed hydrolysis. The monosaccharides are recycled by conversion of the monosaccharides into biofuel. The method (M1) involves extracting lignin by breaking down the lignin with acid to produce phenolic compounds. The method (M1) further involves removing the phenolic compounds as the second extract. The lignin is treated with peracetic acid. The phenolic compounds are recycled in at least one of animal feed and adhesive. The method (M1) involves processing the cellulose portion by milling the cellulose portion into a pulp. The method (M1) involves hydrolyzing the amorphous cellulose by sulfuric acid hydrolysis. The method (M1) involves washing the glucose for removing sulfuric acid from the glucose. The method (M1) further involves recycling the glucose as a food source for bacteria cultures. The glucose is fed to a bacterial culture capable of producing bacterial crystalline cellulose, preferably bacterial culture of Acetobacter xylinum. The method (M2) further involves giving the mixture a shape corresponding to a shape of final composite, and incubating the mixture for converting fibrinogen to fibrin to produce a shaped composite material having the shape corresponding to the shape of the final composite. The method (M2) involves giving the mixture a shape by at least one of placing the mixture on a planar surface to produce a sheet of the nanocomposite material, and placing the mixture into a form to produce a shaped nanocomposite material. The method (M2) further involves mixing a first aqueous solution of the nanocrystalline cellulose and the fibrinogen, pouring the aqueous solution into a mold/form having shape of the tissue to be repaired, adding an aqueous solution of the thrombin to the first aqueous solution to produce the reactive mixture, and distributing the thrombin into the reactive mixture. The method (M2) involves performing distribution step by ultrasonication of the reactive mixture. The oxidation step involves formation of a carbon-oxygen double bond (C=O) between at least one of carbon atom 2 and 3 of at least one of the saccharide units. The covalent bonding involves bonding at least one of carbon atom 2 and carbon atom 3 with a fibrin nitrogen through a covalent double bond. The method (M2) further involves oxidizing the nanocrystalline cellulose prior to mixing of the nanocrystalline cellulose, fibrinogen and thrombin, and covalently bonding oxidized nanocrystalline cellulose with the fibrin nitrogen by imine linkages. The method (M2) involves incubating the reaction mixture at 36-38 degrees C for 4-12 hours for formation of the fibrin matrix. The method (M2) involves forming hydrogen bonds or covalent bonding between the nanocrystalline cellulose with the fibrin. The method (M2) further involves shaping produced tubular nanocomposite material, where the shape has an outer circumferential wall and an inner circumferential wall disposed spaced apart from the outer wall, introducing the reactive mixture into the shape, incubating the reactive mixture in the shape to form the fibrin in the form to produce a tubular nanocomposite material, and removing the tubular nanocomposite material from the formed shape. The method (M2) involves introducing the reactive mixture into form by mixing the nanocrystalline cellulose and the fibrinogen to produce a first aqueous mixture, introducing the first aqueous mixture into the form, adding the thrombin into the first mixture in the form to produce the reactive mixture in the form, and distributing the thrombin through the reactive mixture. The method (M2) further involves storing the tubular nanocomposite in physiological salt solution. The method (M2) further involves treating the tubular nanocomposite material with cross-linking components. The method (M2) further involves producing the nanocrystalline cellulose from biomass by hydrolyzing the biomass to remove hemi-cellulose from the biomass, treating the biomass to remove lignin from the biomass to produce pure cellulose, and processing the cellulose into cellulose nanofibrils comprising nanocrystalline cellulose separated by regions of amorphous cellulose, and hydrolyzing the amorphous cellulose to produce the nanocrystalline cellulose.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The buffer solution is at least one of Tris(hydroxymethyl)aminomethane hydrochloride (tris)-buffered saline, phosphate buffered saline and physiological saline solution.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Component: The cross-linking component comprises at least one of dextran and glutaraldehyde.    TECHNOLOGY FOCUS - PHARMACEUTICALS - Preferred Components: The final composite has a shape. The nanocrystalline cellulose has a length dimension of 100-2000 nm and a lateral dimensions of 2-50 nm. The fibrin-nanocrystalline cellulose composite comprises a tissue graft for a tissue to be repaired. The tissue to be repaired has a shape. The fibrin-nanocrystalline cellulose composite comprises a graft for repair of a biological vessel. The form comprises an outer tube defining the outer circumferential wall, and an inner cylindrical unit disposed within the outer tube, defining the inner circumferential wall and defining a cavity between the outer tube and the inner cylindrical unit. The inner cylindrical unit has an outer diameter that defines an inner diameter of the tubular nanocomposite material being greater than or equal to 1 mm. The inner cylindrical unit has outer diameter of 1-6 mm. The outer tube has a diameter of 5-10 mm that is greater than outer diameter of the inner unit. The inner cylindrical unit comprises an inner tube, and both the inner tube and the outer tube are silicon tubes. Preferred Compositions: The reactive mixture comprises nanocrystalline cellulose, fibrinogen and thrombin in a weight ratio of 0.1:1:1-5:1:1. The aqueous solution comprises physiological buffer solution, buffer solution, nanocrystalline cellulose, fibrinogen and thrombin in a weight ratio of 2:0.1:1:1-7:5:1:1. The aqueous solution comprises a physiological buffer solution, buffer solution, oxidized nanocrystalline cellulose, fibrinogen and thrombin in a weight ratio of 2:0.1:1:1-7:5:1:1. The nanocrystalline cellulose comprises a linear chain of repeating saccharide units. The nanocrystalline material comprises oxidized nanocrystalline cellulose and fibrin in a weight ratio of 0.1:1-10:1. Preferred Material: The oxidized nanocrystalline cellulose is covalently bound with the fibrin. The oxidized nanocrystalline cellulose is covalently bound with the fibrin by imine linkages. The oxidized nanocrystalline cellulose is cross-linked with the fibrin through imine linkages between fibrin nitrogens and at least one of carbon atom 2 and carbon atom 3 of saccharide units of the oxidized nanocrystalline cellulose. The matrix material comprises a tubular biomaterial graft for repair of tubular vessels, and the biomaterial graft comprises a molded tubular configuration having a diameter corresponding to a diameter of the vessel. The matrix material and graft comprises the nanocrystalline cellulose and fibrin in a weight ratio of 0.1:1-10:1. The nanocrystalline cellulose and fibrin are bound by hydrogen bonds. The matrix material comprises a biomaterial graft for repair of biological tissue, and biomaterial graft comprises a sheet of material. The blood vessel to be repaired has characteristics strength and elasticity. The tubular matrix has a strength and elasticity corresponding to the weight ratio of the nanocrystalline cellulose to the fibrin. The strength and elasticity of the tubular matrix is configured to match the strength and elasticity of the blood vessel. The nanocrystalline cellulose is derived from plants. The nanocrystalline cellulose comprises cellulose nanowhiskers having a length dimension of 100-2000 nm and a lateral dimensions of 2-50 nm. The tubular matrix comprises a circumferential wall defining an internal bore having a diameter of 1-25 mm and wall has a thickness of 0.1-1 mm. The tubular matrix comprises a circumferential wall defining an internal bore having a diameter of 1-6 mm. The nanocrystalline cellulose is oxidized. The nanocrystalline cellulose and the tubular matrix comprise oxidized nanocrystalline cellulose bound with the fibrin by covalent bonds. The oxidized nanocrystalline cellulose comprises at least one linear chain of the above-mentioned repeating saccharide units, and at least one of carbon atom 2 and carbon atom 3 of at least one of the saccharide units is covalently bound with a fibrin nitrogen by a covalent double bond. The weight ratio of the nanocrystalline cellulose and fibrin in the matrix is 0.1:1-5:1. EXAMPLE - No suitable example given.