Abstract: Micro particulate compositions include molecular baskets deposited on the surface and impregnated within pores of micro particles. They may be used to detect and/or separate a target material in a sample. Molecular baskets include a molecular framework defining an exterior region and an interior target receiving region. Micro particles may have a high total surface area provided by external surfaces and internal pore surfaces. Micro particulate compositions are manufactured by dispersing molecular baskets onto outer surfaces and within internal pores of porous microparticles (e.g., as a solution or suspension within a solvent). Analytical devices for detection and/or separation of target materials in samples include a micro particulate composition configured to facilitate contact between the micro particulate composition and a sample.

Abstract: A system for drug delivery including a plurality of molecular-valves that are responsive to an exterior stimulus so as to selectively open in response to the stimulus. A quantity of a drug is initially contained within the molecular-valves. The molecular-valves are associated with the surface (e.g., both the exterior surface, as well as within the internal pore structure) of the substrate. Upon exposure to a selected stimulus, the molecular-valves open, resulting in release of the drug molecules.

Abstract: Systems and methods employing combinatorial arrays for revealing factors which control biomineralization processes. An understanding of such control factors may be expected to allow those of skill in the art to mimic biomineralization processes so as to allow manufacture of engineered synthetic biomineralized products, such as artificial bones. Such products would be expected to have structure and properties similar or identical to natural products (e.g., bones), and exhibit improved immunological acceptance when implanted as compared to existing synthetic engineered products.

Abstract: The compositions and methods disclosed herein relate to nanoporous blocks of ice that include hydrogen hydrates for releasably storing hydrogen. The nanoporous ice includes pores with diameters in a range from about 1 nm to about 1000 nm. Hydrogen hydrates are formed in the nanoporous ice blocks under suitable conditions of high pressure and/or low temperatures. The nanopores in the ice blocks allow rapid formation of hydrogen hydrates and/or release of hydrogen due to flux of hydrogen gas through the ice blocks. In addition, the small size of the pores provides a high surface area and a high density of hydrogen storage in the ice.

Abstract: The fuel cells disclosed herein include a nanoporous membrane. The nanoporous membrane includes at least one block copolymer and has pores that are sized and configured to restrict the flow of methanol, while allowing hydronium ion (i.e., hydrogen ion) to flow therethrough.

Abstract: A flexible sensor device can include a flexible substrate, and at least one flexible sensor included on the flexible substrate. The flexible sensor can be deposited on the flexible substrate by inkjet printing a composition that forms the flexible sensor. The flexible sensor device can be configured to function when subjected to elongation, contraction, and/or distortion.

Abstract: Sensor devices and compositions can be used for detecting the presence of a target substance in a medium. The sensor devices and compositions can be configured to include at least one nanosensor through a high concentration of nanosensors that interact with the target substance to provide a detectable signal as an indication of such an interaction. The interaction is evidence that the medium includes the target substance. Various types of target substances can be detected with the sensor device, including inorganic molecules, organic molecules, atoms, ions, polypeptides, polynucleotides, cells, derivatives thereof, and combinations thereof.

Abstract: Nanotracers for in-situ detection of cancerous gastric tissue include substantially monodisperse polymeric nanoparticles, at least one detectable label incorporated into each particle, and receptor-specific ligands coupled to each nanoparticle. The receptor-specific ligand is selected such that it interacts preferentially with ligand-specific receptors that are overexpressed on cancerous cells.

Abstract: Nano-pumps including nano-motors that move dynamically in response to exterior stimuli, for example in response to photonic energy, electrical energy, a magnetic field, and/or a chemical concentration. The motion of such a molecular sized nano-motor structure can be managed and controlled so as to act as a pump. Such pumps could be used in nanobots in order to perform work.

Abstract: Skin care can be provided by the skin care devices and compositions described herein. Such a skin care device can be configured to include a biocompatible hydrogel layer including one or more treatment agents, and an associated backing layer associated with the hydrogel layer.

Abstract: Stable nanoparticulate vitamin compositions are prepared from agglomerated or larger sized vitamin particles of at least one vitamin compound by breaking down and/or solubilizing the agglomerated or larger sized vitamin particles and associating the particles with a surface modifying agent.

Abstract: The compositions and methods disclosed herein relate to ice nanorods having an elongate shape and a diameter in a range from 1 nm to 1000 nm. The ice nanorods include hydrogen hydrates that releasably store hydrogen. The hydrogen hydrates can be formed from ice and hydrogen under suitable conditions of high pressure and/or low temperatures. The ice nanorods allow the rapid formation of hydrogen hydrates and/or release of hydrogen due to the shape of the ice nanorods. The elongate shape and small diameter of the ice nanorods results in a high surface area of ice that allows rapid diffusion of a hydrogen gas into and out of the ice, thereby allowing rapid formation of hydrogen hydrates and release of hydrogen during use.

Abstract: Stabilized nanoparticulate nutritive compositions include nano-scale particles of at least one nutritive substance and molecules of at least one stabilizing agent that associate with the nutritive nanoparticles. Stabilized nanoparticulate nutritive compositions are prepared by suspending relatively larger particles of a nutritive substance in a solvent and breaking down the larger sized nutritive particles and associating the particles with the stabilizing agent. Stabilized nanoparticulate nutritive compositions can readily be combined with a variety of food media.

Abstract: There is provided a polydiacetylene supramolecule comprising diacetylene molecules, capable of immobilizing a receptor molecule having a thiol group. Since the polydiacetylene supramolecule has a receptor immobilized thereon having a thiol group, for example, an antibody, and thus shows color transition when reacting with a sample, an antigen can be detected through specific color transition of the polydiacetylene when employing in a receptor-ligand reaction, for example, an antibody-antigen reaction.