Abstract: The present invention provides the methods and composition useful as a contraceptive by preventing motile sperm from reaching a mature ovum, thereby blocking fertilization and preventing pregnancy. The contraceptive is comprised of halogen functionalized fullerene nanoparticles (halo fullerenes) and chemotactic stimulants that act synergistically to divert, incapacitate and ultimately rupture spermatozoa to avert fertilization. When applied vaginally prior to coitus, the suspension is activated by exposure to spermatozoa upon insemination. Notably, non-spermatozoa cells are unaffected by the pH-neutral suspension; however, closer to the same scale, microbes are susceptible to its inherent biocidal properties. Following application and coitus, the contraceptive evacuates naturally, along with seminal and vaginal fluids thereafter.

Abstract: The present invention provides the methods and composition useful as a contraceptive by preventing motile sperm from reaching a mature ovum, thereby blocking fertilization and preventing pregnancy. The contraceptive is comprised of halogen functionalized fullerene nanoparticles (halo fullerenes) and chemotactic stimulants that act synergistically to divert, incapacitate and ultimately rupture spermatozoa to avert fertilization. When applied vaginally prior to coitus, the suspension is activated by exposure to spermatozoa upon insemination. Notably, non-spermatozoa cells are unaffected by the pH-neutral suspension; however, closer to the same scale, microbes are susceptible to its inherent biocidal properties. Following application and coitus, the contraceptive evacuates naturally, along with seminal and vaginal fluids thereafter.

Abstract: The devices and methods described herein push forward the resolution limits of directed self-assembly (DSA) technology for advanced device applications. Specifically described herein, are compositions of bioinspired DSA materials and methods using these bioinspired DSA materials to form sub-7 nm line-space patterns and to achieve functional nanoscopic structures, e.g., conducting nanowires on a substrate.

Abstract: The devices and methods described herein push forward the resolution limits of directed self-assembly (DSA) technology for advanced device applications. Specifically described herein, are compositions of bioinspired DSA materials and methods using these bioinspired DSA materials to form sub-7 nm line-space patterns and to achieve functional nanoscopic structures, e.g., conducting nanowires on a substrate.