Abstract: In one aspect, a method of imaging blood flow in a region of interest of a subject using magnetic resonance imaging (MRI) is provided. The method includes introducing an imaging agent into the subject, the imaging agent including a compound having at least one hyperpolarized nucleus having a T1 greater than 15 seconds and a water-octanol partition coefficient between ?1 and 1, providing at least one excitation signal to the region of interest, the at least one excitation signal configured to invoke a nuclear magnetic resonance (NMR) effect at least in the introduced imaging agent, and detecting an NMR signal emitted by the region of interest in response to the at least one excitation signal. In another aspect, the imaging agent includes a carbon-13 enriched alcohol.

Abstract: The present invention relates to degradable polyacetal polymers having a C(O)—(CH2CH2O)n—R5 or a saccharide attached to amine radical of the backbone of the polymer, their polymer-active agent conjugates and their preparation processes, to compositions, and hydrogels containing them, as well as their use in therapy, diagnostic imaging and cosmetics.

Abstract: Compositions and methods useful in connection with magnetic resonance imaging are provided. Metabolites hyperpolarized by dynanic nuclear polarization are used as reporter molecules in nuclear magnetic resonance (“NMR”) spectroscopy to study metabolic pathways and diagnose disease states. The reporter molecules include hyperpolarized glutamine and hyperpolarized acetate. The invention includes the reporter molecules, compositions including the reporter molecules in pharmaceutically acceptable carriers, methods for studying metabolic pathways that include introducing one or more of the reporter molecules to a mammalian subject and imaging a target substance using NMR spectroscopy, and kits useful in studying metabolic pathways that incorporate one or more of the reporter molecules and instructions for their use.

Abstract: Minimally invasive delivery with intercellular and/or intracellular localization of nano- and micro-particle solar cells within and among excitable biological cells to controllably regulate membrane polarization and enhance function of such cells. The cells include retinal and other excitable cells.

Abstract: The present invention relates to agents capable of binding to myelin basic protein in a subject. Also provided are methods for the detection of myelin-associated neuropathy comprising identifying a subject at risk of or diagnosed with a myelin-associated neuropathy, administering to a subject an agent that binds specifically to myelin basic protein, and determining myelination in the subject by detecting the agent present in the subject. A kit containing the agent or its derivatives for use in detecting myelin basic protein is also provided.

Abstract: A compound that includes a quaterrylene dye moiety as core, and a dendrimeric shell. For example, the compound may comprise at least four dendronized polyamides covalently attached to a quaterrylene dye. Also disclosed is a compound, or a pharmaceutically acceptable salt or ester thereof, comprising A(G)x, wherein: A comprises a quaterrylene dye; G comprises at least one functionalized dendrimeric structure; and x is 2 to 16. The compounds may be used for in methods for monitoring a therapeutic or diagnostic agent in a subject, or for treating a subject by administering the compound to the subject.

Abstract: Compositions and methods are disclosed for evaluating a subject's vasculature integrity, for differentiating between a malignant lesion and a benign lesion, for evaluating the accessibility of a tumor to nano-sized therapeutics, for treating tumors, and for live or real time monitoring of a nano-probe's biodistribution.

Abstract: Described are diagnostic and pharmaceutical compositions comprising a microorganism or cell containing a DNA sequence encoding a detectable protein or a protein capable of inducing a detectable signal, e.g. a luminescent or fluorescent protein, and, in a particular embodiment, furthermore (a) DNA sequence(s) encoding (a) protein(s) suitable for tumor therapy and/or elimination of metastatic tumors, e.g. a cytotoxic or cytostatic protein.

Abstract: A magnetic resonance examination system comprises an RF-system for inducing resonance in polarized dipoles and receiving magnetic resonance signals from an object to be examined. A thermometry module dervies a temperature distribution of the object to be examined from the magnetic resonance signals. The magnetic resonance examination system further comprises a photonic-based hyperpolarization device with a photonic source for emitting electromagnetic radiation, a moder converter, such as a phase hologram to impart orbital angular momentum to the electromagnetic radiation and via spatial filter to select from the phase hologram a diffracted photonic beam endowed with orbital angular momentum for polarizing the dipoles via transferred orbital angular momentum.

Abstract: The present application discloses compositions and methods of synthesis and use involving click chemistry reactions for in vivo or in vitro formation of therapeutic and/or diagnostic complexes. Preferably, the diagnostic complex is of use for 18F imaging, while the therapeutic complex is of use for targeted delivery of chemotherapeutic drugs or toxins. More preferably, a chelating moiety or targetable construct may be conjugated to a targeting molecule, such as an antibody or antibody fragment, using a click chemistry reaction involving cyclooctyne, nitron or azide reactive moieties. In most preferred embodiments, the click chemistry reaction occurs in vivo. In vivo click chemistry is not limited to 18F labeling but can be used for delivering a variety of therapeutic and/or diagnostic agents.

Abstract: The invention provides a scanning suspension comprising a particle which is capable of at least in part disturbing a magnetic field, wherein said particle comprises a diameter of at least 1 ?m, and use thereof for obtaining a scanning image. Preferably, said particle comprises holmium and a composition capable of essentially maintaining its structure during irradiation. A particle of the invention is suitable for preparing a kit of parts, comprising a diagnostic and a therapeutic composition which both comprise particles of the invention with essentially the same chemical structure, wherein said therapeutic composition is more radioactive than said diagnostic composition. Said kit of parts is especially suitable for treatment of a tumor. First, the distribution of a particle of the invention within an individual can be determined with a scanning image obtained with said scanning composition.

Abstract: This invention relates generally to the discovery of novel nanoparticles for delivery of DNA double-stranded break (DSB) repair enzyme inhibitors such as wortmannin or wortmannin analogues. In one embodiment, these nanoparticles comprise a polylactide polyglycolide (PLGA) copolymer and a polyethylene glycol (PEG). In addition methods of treatment and methods of enhancing radiation treatments are also provided.

Abstract: The invention provides compounds, including compositions, preparations and formulations, and methods of using and making such compounds. Compounds of the present invention include pyrazine derivatives having a pyrazine core and a plurality of substituents. In some embodiments, pyrazine derivatives of the invention are pyrazine core compounds having one or more electron donating groups and one or more electron withdrawing groups optionally functionalized to provide useful optical, biological, pharmacokinetic and/or physical properties.

Abstract: A microsphere and method for forming the same are disclosed. The microsphere includes modified cellulose and at least one of a visualization agent, a magnetic material, or a radioactive material.

Abstract: In one aspect, a method of imaging blood flow in a region of interest of a subject using magnetic resonance imaging (MRI) is provided. The method includes introducing an imaging agent into the subject, the imaging agent including a compound having at least one hyperpolarized nucleus having a T.sub.1 greater than 15 seconds and a water-octanol partition coefficient between ?1 and 1, providing at least one excitation signal to the region of interest, the at least one excitation signal configured to invoke a nuclear magnetic resonance (NMR) effect at least in the introduced imaging agent, and detecting an NMR signal emitted by the region of interest in response to the at least one excitation signal. In another aspect, the imaging agent includes a carbon-13 enriched alcohol.

Abstract: The invention relates to water-soluble nanoparticles and methods for making such nanoparticles. Specifically, the invention relates to dendrimerization to enhance the solubility of nanoparticles.

Abstract: The present invention relates to methods for myelin basic protein detection comprises identifying a subject at risk of or diagnosed with a myelin-associated neuropathy, parenterally administering to the subject the agent, and determining myelination in the subject by detecting binding to myelin basic protein. Methods for the detection of myelin and a quantitative measurement of its local concentration in a sample using an agent with specific binding to myelin basic protein are also provided as is a kit containing the agent or its derivatives for use in detecting myelin basic protein.

Abstract: The present invention is in the fields of drug delivery, cancer treatment and diagnosis and pharmaceuticals. This invention provides a method of making antibody- or antibody fragment-targeted immunoliposomes for the systemic delivery of molecules to treat and image diseases, including cancerous tumors. The invention also provides immunoliposomes and compositions, as well as methods of imaging various tissues. The liposome complexes are useful for encapsulation of imaging agents, for example, for use in magnetic resonance imaging. The specificity of the delivery system is derived from the targeting antibodies or antibody fragments.

Abstract: Described herein are methods for the treatment of cognitive impairment in a subject with a neurological autoimmune disease and methods for determining whether a subject who has a central nervous system autoimmune disease is likely to acquire a cognitive impairment.

Abstract: The disclosure provides, in part, compositions and methods for producing emulsions. In certain embodiments, emulsions of the disclosure can be used for the detection of inflammation and cell tracking using MRI. The disclosure provides, in part, methods for labeling, detecting and quantifying cell members, in vivo. In certain embodiments, emulsions can be used as an artificial blood substrate.

Abstract: Aspects of the present invention relate to a device and method for examining and using an electrical field in a magnetic gradient field, containing magnetic particles in an examination area of an object under examination, including introducing magnetic particles into at least part of the examination area of the object under examination; generating an electrical field at least in part of the examination area; generating a magnetic field having a spatial magnetic field strength profile with a first sub-zone with a low magnetic field strength and a second sub-zone with a higher magnetic field strength in the examination area; varying a spatial position of the two sub-zones in the examination area such that a magnetization of the particles changes locally; detecting signals which depend on the magnetization in the examination area influenced by this variation; evaluating the signals to obtain information about the spatial distribution of the magnetic particles in the examination area; and determining a conductivi

Abstract: The present invention relates to exendin-4 peptide analogues and their medical use, for example in the treatment of disorders of the metabolic syndrome, including diabetes and obesity, as well as reduction of excess food intake.

Abstract: The present invention provides compositions and methods for decreasing photosensitivity induced by photodynamic therapy (PDT). The compositions and methods of the present method employ porphyrin complexing molecules as agents for reducing photosensitivity.

Abstract: Disclosed are Drug Delivery Molecules (DDMs) which both facilitate functional imaging, as by PET, MRI or SPECT, and create a biological effect and methods of their use. These DDMs which are variously designed to target specific receptors, internalized and then function biologically, as for purposes of cell destruction or therapy.

Abstract: Disclosed are nanoparticle compositions comprising paramagnetic particles, radiolabels, fluorophores, and/or positron emission tomography agents encapsulated within a biocompatible vehicle. In addition, methods of multi-modal diagnostic imaging and treating diseased tissues are disclosed, wherein the methods comprises administering a nanoparticle composition to a subject in which the nanoparticle composition comprises paramagnetic particles, radiolabels, fluorophores, and positron emission tomography agents encapsulated within a biocompatible vehicle.

Abstract: Methods for the synthesis and use of functionalized, substituted naphthalenes are described. The functionalized, substituted naphthalenes display useful properties including liquid crystals and fluorescence properties, such as solvatochromatic fluorescence, with high quantum yields, Stoke's shift, and show emission maxima that are significantly red-shifted.

Abstract: Iron oxide complexes, pharmacological compositions and unit dosage thereof, and methods for their administration, of the type employing an iron oxide complex with a polyol, are disclosed. The pharmacological compositions employ a polysaccharide iron oxide complex, wherein the polysaccharide is a modified polyol such as a carboxyalkylated reduced dextran. The complex is stable to terminal sterilization by autoclaving. The compositions are suitable for parenteral administration to a subject for the treatment of iron deficiencies or as MRI contrast agent. The complex is substantially immunosilent, provide minimal anaphylaxis and undergo minimal dissolution in vivo. The pharmacological compositions of the complex contain minimal free iron which can be quantified by a variety of methods.

Abstract: A contrast marker having a casing and a novel MRI contrast agent comprising metal complexes disposed around, within, or abuting the casing is provided. Such contrast markers may be placed in a strand, with or without a therapy seed, to produce a seeded strand useful for imaging and in connection with brachytherapy.

Abstract: A thermosensitive nanostructure for hyperthermia treatment. Magnetic nanoparticles are encapsulated in a thermosensitive polymer nanostructure having a lower critical solution temperature (LCST) of about 40-45° C. The thermosensitive polymer nanostructure may carry a drug. When the magnetic nanoparticles are heated to 40-45° C. by application of an alternating magnetic field in hyperthermia treatment, the thermosensitive polymer nanostructure collapses to release the drug, thus providing concurrent drug treatment.

Abstract: Provided are diagnostic and pharmaceutical compositions containing a microorganism or a cell containing a DNA molecule encoding a detectable protein or a protein that a detectable signal, such as a luminescent or fluorescent protein. Methods of tumor targeting and tumor imaging using the microorganisms and cells are provided. Also provided are therapeutic methods in which the microorganisms and cells, which can encoded a therapeutic protein, such as a cytotoxic or cytostatic protein, are administered.

Abstract: Disclosed are novel, targeting, paramagnetic nanoparticles as contrast agent for magnetic resonance imaging. The compositions of the nanoparticles are composed of self-assembled polyelectrolyte biopolymers having targeting moieties, which can suitable for targeted delivery of paramagnetic ions complexed to the nanoparticles. The nanoparticulate contrast agent can internalize into the targeted tumor cells to realize the receptor mediated uptake, and therefore afford enhanced relaxivity and improved signal-to-noise effect on the examined tissue areas. Methods for making these targeting MRI contrast agents are also provided.

Abstract: Polyarginine-coated nanoparticle, and methods for making and using the nanoparticle. The nanoparticle can have a core that includes a material that imparts magnetic resonance imaging activity to the particle and, optionally, include one or more of an associated therapeutic agent, targeting agent, and diagnostic agent.

Abstract: Described herein are apparatus, compositions, systems and methods for occluding vascular structures and vascular malformations with radiopaque hydrogel filaments. The filaments can contain no support members and can be CT and MR compatible. Methods of forming such filaments are also disclosed.

Abstract: The present invention provides compositions and methods for the delivery of nucleic acids to a cell. The present invention additionally provides compositions and methods for the treatment of a disease or disorder, particularly cancer.

Abstract: Substituted aryl-boron compounds comprising at least one 18F atom, as illustrated by the formula (I), where at least one of Y1 or Y2 is 18F and A1 is a substituted aromatic ring, with G1-5 being, independently, C or N, and where the substitutents of the aromatic ring or polycyclic moiety (other than boron) comprise at least one electron-withdrawing group (EWG), providing that sigma total (?total) for all substituents on the aromatic ring or polycyclic moiety except B is about 0.06 or more when said at least one EWG is positioned ortho to B, or about 0.2 or more when no EWG is positioned ortho to B. The compounds include neutral (N=1) and ionic borate (N=2) embodiments. The compounds are useful as positron emission tomography (PET) imaging agents.

Abstract: Methods and apparatus for screening patients prior to deep brain stimulation to treat cognitive function are provided. One or more patient parameters are processed to produce results. A comparison of the results to a threshold indicates the applicability of the deep brain stimulation therapy.

Abstract: Provided are diagnostic and pharmaceutical compositions containing a microorganism or a cell containing a DNA molecule encoding a detectable protein or a protein that a detectable signal, such as a luminescent or fluorescent protein. Methods of tumor targeting and tumor imaging using the microorganisms and cells are provided. Also provided are therapeutic methods in which the microorganisms and cells, which can encoded a therapeutic protein, such as a cytotoxic or cytostatic protein, are administered.

Abstract: A new class of micro- and nano-particulate paramagnetic spin probes especially useful for magnetic resonance imaging techniques, including electron paramagnetic resonance (EPR) and magnetic resonance imaging (MRI). The probes are lithium phthalocyanine derivative compounds. Also provided are suspensions and emulsions comprising lithium phthalocyanine derivative probes. Also provided are noninvasive methods for measuring noninvasive methods of measuring oxygen concentration, oxygen partial pressure, oxygen metabolism, and nitric oxide concentration in a specific tissue, organ, or cell in vivo or in vitro.

Abstract: The invention provides a fusion ferritin protein wherein a ferritin heavy chain polypeptide is fused to a peptide, wherein the peptide is fused to the C-terminal end of the ferritin heavy chain; and the peptide includes at least a portion of a Mms6 protein sequence and at least one heterologous amino acid at its N-terminal end. The invention further provides methods of use of the ferritin fusion protein for Magnetic Resonance Imaging.

Abstract: A dendritic polymer and a magnetic resonance imaging contrast agent employing the same. The magnetic resonance contrast agent includes the dendritic polymer according to the structure of SP-DZ-L)i)j or SP-DX-Z-L)i)j, wherein, S is cyclosilane moiety with j silicon oxygen residual groups, and j is not less than 2; P is CH2CH2Ol, and l is not less than 1; D is a C3-30 dendritic moiety having n oxygen residue, and n is not less than 3; X is C3-30 moiety having bi-functional groups; Z is a C3-20 moiety having a plurality of functional group; and L is a metal cation.

Abstract: A composition comprising PAA nanoparticles containing a post loaded tetrapyrollic photosensitizer and an imaging agent and methods for making and using same.

Abstract: This invention features systems and methods for the detection of analytes, and their use in the treatment and diagnosis of disease.

Abstract: Provided are a mussel adhesive protein-mimetic dispersion stabilizing agent to disperse nanoparticles in an aqueous medium, a colloidal solution including nanoparticles dispersed and stabilized by the dispersion stabilizing agent, and a contrast agent including the colloidal solution. More particularly, the mussel adhesive protein-mimetic dispersion stabilizer is a polyethyleneimine-graft-(poly-ethyleneglycol;polyDOPA) PEI-graft-(PEG;PDOPA). The graft polymer is formed of two parts. One is polyethyleneglycol grafted with a polyethyleneime which has an affinity to an aqueous medium, and the other is polyDOPA which has an affinity to the surface of nanoparticles. Because of those characteristics, the stabilizer shows a stable dispersion of nano particles in the aqueous medium.

Abstract: This invention relates to determining the compliance of a subject receiving dietary supplementation with uridine or a uridine source. Specifically, the invention relates to the use of MRS for measuring an increase in brain compounds resulting from dietary supplementation with uridine or a uridine source.

Abstract: The invention provides compounds and a method for imaging aggregated ?-synuclein, e.g., Lewy bodies or Lewy neurites, in a tissue or organ.

Abstract: Multifunctional nanoparticles can include two or more different populations of nanocrystals that impart a combination of properties arising from the constituent populations in a single, multifunctional nanoparticle.

Abstract: The present invention relates to contrast agents for MRI and related methods of use.

Abstract: Intended is to provide an MRI contrast agent that tends not to be phagocytized by reticuloendothelial cells and that has improved dispersion stability. The present invention is an MRI contrast agent containing composite particles, wherein the composite particles are those with polymer graft chains bound to surfaces of microparticles at a very high density sufficient to allow steric repulsion to occur between the graft chains, the micoparticles are inorganic microparticles that exhibit superparamagnetism, and the polymer graft chains have a number average molecular weight (Mn) of at least 30,000. Preferably, the MRI contrast agent is for tumor diagnosis.

Abstract: The present invention provides for a method of treating OCD or an Obsessive-Compulsive Spectrum Disorder (OCSD), such as BDD or ADHD, using a high-dose glycine treatment.

Abstract: A method for identifying a molecule that binds an irradiated tumor in a subject and molecules identified thereby. In some embodiments, the method includes the steps of (a) exposing a tumor to ionizing radiation; (b) administering to a subject a library of diverse molecules; and (c) isolating from the tumor one or more molecules of the library of diverse molecules, whereby a molecule that binds an irradiated tumor is identified. Also provided are targeting ligands that bind an irradiated tumor and therapeutic and diagnostic methods that employ the disclosed targeting ligands.