The invention relates to a nanoparticle comprising copolymeric or homopolymeric compounds which comprise cyanoacrylate subunits according to formula 2A, wherein each R.sup.1 is independently selected from the group consisting of 2-ethylhexyl, 2-phenylethyl, neopentyl, 1-pentyl, 2-pentyl, 3-pentyl, 3,3-dimethyl-1-butyl, 3-methylbutyl, -heptyl, 2-heptyl, and 3-heptyl; and wherein the nanoparticle further comprises an active agent. The invention also provides compositions comprising the nanoparticles, and the nanoparticles for use in therapy or diagnosis, such as in the treatment of cancer or an infection, or for use in diagnostic imaging.

In an embodiment, the present disclosure relates to a targeting platform that includes a targeted delivery system including an agent. In some embodiments, the targeted delivery system is modified by fluorination. In some embodiments, the targeted delivery system is electrically charge neutral. In a further embodiment, the present disclosure relates to a method that includes fluorinating a targeting compound with a fluorinating reagent and loading an agent with the fluorinated targeting compound to thereby form a micelle. In an additional embodiment, the present disclosure relates to a targeting platform that includes a fluorinated polymeric system including an agent. In another embodiment, the present disclosure relates to a method that includes fluorinating a targeting compound with a fluorinating reagent and loading an agent with the fluorinated targeting compound to thereby form a micelle. Additionally, the method can include administering the fluorinated targeting compound to a subject.

Silica nanorings, methods of making silica nanorings, and uses of silica nanorings. The silica nanorings may be PEGylated. The silica nanorings may be surface functionalized, which may be surface selective functionalization, with one or more polyethylene glycol (PEG) group(s), one or more display group(s), one or more functional group(s), or a combination thereof. The silica nanorings may have a size of 5 to 20 nm. The silica nanorings may be made using micelles. The absence or presence of the micelles during PEGylation and/or functionalization allows for surface selective functionalization. The silica nanorings may be used in various diagnostic and/or treatment methods.

Disclosed herein are embodiments of nanoparticle composites that comprise covalently coupled stabilizing agent molecules that improve stability of the nanoparticle composites and allow for tight packing of lipids and/or membranes. The nanoparticle composites can further comprise inhibition inhibitors and/or lipid components that interact to form a hybrid lipid bilayer membrane around the nanoparticle core. The nanoparticle composites can be coupled to drugs, targeting moieties, and imaging moieties. The nanoparticle composites can be used for in vivo drug deliver, disease diagnosis/treatment, and imaging.

The present invention provides a photo-exothermic composite material represented by Formula (I) of CNM-(Y.sup.1—R).sub.n1 (I) (wherein, CNM denotes a carbon nanomaterial, Y.sup.1 denotes a divalent linking group, R denotes a group derived from a fluorescent substance or pigment; and n1 is an integer of 1 or greater).

The present disclosure relates to a process for the preparation of core-shell particles by the coacervation method encapsulating contrast agents for multimodal imaging. The process consists in: a. Providing a water in oil emulsion of a biocompatible polyelectrolyte polymer. b. Providing an aqueous solution of a biocompatible polyelectrolyte polymer having opposite charges of the polyelectrolyte of step a). c. Adding a crosslinking agent to the primary emulsion and the secondary solution. d. Adding at least a tracer independently to the primary emulsion or the secondary solution or emulsion. e. Adding the secondary aqueous solution to the primary emulsions and occurring of the complex coacervation leading to the separation of the coacervate particles. f. Optionally absorb a further tracer into the nanoparticles The disclosure also relates to the coacervates obtained by the above described process and their use as probe for multimodal imaging in the diagnostic field.

The disclosure relates to carrier particle-drug conjugates, including nanoparticle drug conjugates (NDC), that can be used in the delivery of a drug to a biological target (e.g., for targeted delivery of a cytotoxic drug to a cancer cell or tumor). Also disclosed are self-immolative linkers and linker-payload conjugates suitable for use in a carrier particle drug conjugate, and methods of making the same, and methods for treating cancer.

Disclosed are compositions, compounds, and methods relating to peptides that can target and home to cancer, tumors, and extracellular matrix. This is based on the discovery of peptides that can specifically bind to fibronectin extra domain B (FN-EDB), tenascin-C C domain (TNC-C), or both.

Disclosed herein are nanoconstructs comprising a nanoparticle, coated with additional agents such as cationic polymers, stabilizers, targeting molecules, labels, oligonucleotides and small molecules. These constructs may be used to deliver compounds to treat solid tumors and to diagnose cancer and other diseases. Further disclosed are methods of making such compounds and use of such compounds to treat or diagnose human disease.

A nanotherapeutic supported by a hierarchical silica composite with dual imaging capability (e.g. fluorescence and magnetic resonance imaging), a method of preparing the nanotherapeutic, and a method of treating cancer. Also disclosed is a method of oxidatively dehydrogenating ethane using a catalytic system supported by a hierarchical silica composite.