5 Nanoparticle substances and nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical purposes; silicon nanoparticle substances and silicon nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical purposes; porous silicon nanoparticle substances and porous silicon nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical purposes; lipid nanoparticle substances and lipid nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical purposes; silicon-lipid nanoparticle substances and silicon-lipid nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical purposes; silicon-stabilised hybrid lipid nanoparticles for medical, veterinary and nanoparticle substances and nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments; silicon nanoparticle substances and silicon nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments; porous silicon nanoparticle substances and porous silicon nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments; lipid nanoparticle substances and lipid nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments; silicon-lipid nanoparticle substances and silicon-lipid nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments; nanoparticle substances and nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical treatment purposes; silicon nanoparticle substances and silicon nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical treatment purposes; porous silicon nanoparticle substances and porous silicon nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical treatment purposes; lipid nanoparticle substances and lipid nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical treatment purposes; silicon-lipid nanoparticle substances and lipid nanoparticle preparations, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines for medical, veterinary and pharmaceutical treatment purposes; silicon-stabilised hybrid lipid nanoparticles for medical, veterinary and pharmaceutical treatment purposes; silicon-stabilised lipid nanoparticles for medical, veterinary and pharmaceutical treatment purposes; stabilised lipid nanoparticles for medical, veterinary and pharmaceutical treatment purposes; materials for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; nanoparticle materials for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon nanoparticle materials for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; porous silicon nanoparticle materials for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; lipid nanoparticles for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-lipid nanoparticles for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised hybrid lipid nanoparticles for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised lipid nanoparticles for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; stabilised lipid nanoparticles for carrying and delivery of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; materials for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; nanoparticle materials for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon nanoparticle materials for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; porous silicon nanoparticle materials for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; lipid nanoparticles for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-lipid nanoparticles for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised hybrid lipid nanoparticles for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised lipid nanoparticles for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; stabilised lipid nanoparticles for stabilising of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; materials for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; nanoparticle materials for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon nanoparticle materials for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; porous silicon nanoparticle materials for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; lipid nanoparticles for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-lipid nanoparticles for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised hybrid lipid nanoparticles for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised lipid nanoparticles for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; stabilised lipid nanoparticles for stabilising nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; materials for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; nanoparticle materials for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon nanoparticle materials for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; porous silicon nanoparticle materials for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; lipid nanoparticles for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-lipid nanoparticles for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised hybrid lipid nanoparticles for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised lipid nanoparticles for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; stabilised lipid nanoparticles for stabilising nucleic acid-lipid complexes, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; materials for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; nanoparticle materials for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon nanoparticle materials for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; porous silicon nanoparticle materials for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; lipid nanoparticle materials for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-lipid nanoparticle materials for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised hybrid lipid nanoparticles for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised lipid nanoparticles for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; stabilised lipid nanoparticles for controlled release and onset of chemical, biochemical, biological and pharmaceutical substances, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; materials for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; nanoparticle materials for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon nanoparticle materials for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; porous silicon nanoparticle materials for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; lipid nanoparticle materials for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-lipid nanoparticle materials for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised hybrid lipid nanoparticles for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; silicon-stabilised lipid nanoparticles for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; stabilised lipid nanoparticles for controlled release and transfection of nucleic acids, namely, drug delivery agents in the form of compounds that facilitate delivery of a wide range of pharmaceuticals used in the formulation of medicines, vaccines, medical treatments, veterinary medicines, veterinary treatments, and veterinary vaccines; all of the foregoing excluding use in the agricultural industry