Class / Patent application number | Description | Number of patent applications / Date published |
424900420 | Transition, actinide, or lanthanide metal containing | 25 |
20080233052 | Contrast Agents - The present invention relates to particles comprising cores of tungsten or tungsten in mixture with other metallic elements wherein said cores are coated and have an average size of at least 20 nm. Further, the invention relates to pharmaceuticals containing such particles, and to the use of such pharmaceuticals specifically as contrast agents in diagnostic imaging, in particular in X-ray imaging of atherosclerotic plaque and liver tumours. | 09-25-2008 |
20090074674 | Stabilized, biocompatible gold nanoparticles and enviro-friendly method for making same - The invention provides stabilized, biocompatible gold nanoparticles that are stabilized with material from polyphenols- or flavanoids-rich plant material or reactive phytochemical components of the plant material. The gold nanoparticles of the invention can be fabricated with an environmentally friendly method for making biocompatible stabilized gold nanoparticles. In methods of the invention, an aqueous solution containing gold salts is mixed with polyphenols- or flavanoids-rich plant material. In preferred embodiment methods of making, an aqueous solution containing gold salts is provided. The aqueous solution is mixed with black tea, turmeric, curcumin or cinnamon or a similar naturally occurring polyphenols- or flavanoids-rich plant material. The gold salts react to form biocompatible gold nanoparticles that are stabilized with a coating of the polyphenols- or flavanoids-rich plant material. The black tea, turmeric, curcumin or cinnamon or similar naturally occurring polyphenols- or flavanoids-rich plant material can be a powder or can be in its root or bark form. | 03-19-2009 |
20090087383 | NANOPARTICLE-BASED IMAGING AGENTS FOR X-RAY/COMPUTED TOMOGRAPHY AND METHODS FOR MAKING SAME - The present invention is generally directed to core/shell nanoparticles, wherein such core/shell nanoparticles comprise a nanoparticle core and a nanoshell disposed about the nanoparticle core such that, in the aggregate, they form a core/shell nanoparticle that is operable for use as an imaging agent in X-ray/computed tomography (CT). Typically, such core/shell nanoparticle-based X-ray CT imaging agents further comprise a targeting species for targeting the imaging agent to diseased sites. Included herein are methods for forming such agents, comprising forming an ensemble of core/shell nanoparticles, wherein the mean diameter of the ensemble of core/shell nanoparticles is selected so as to render the nanoparticles in the ensemble substantially clearable by a mammalian kidney. | 04-02-2009 |
20100074848 | X-ray contrast agent using gold nanoparticles and process for preparing the same - Provided are an X-ray contrast agent using gold nanoparticles and a process for preparing the X-ray contrast agent. The X-ray contrast agent is prepared by capping gold nanoparticles with polyethylene glycol (PEG). The X-ray contrast agent is nontoxic and remains in a blood vessel for a long time so that the X-ray contrast agent can be usefully used as a computed tomography (CT) contrast agent for imaging blood vessels. Therefore, the X-ray contrast agent is useful for inspecting blood vessel structures and new blood vessels in a tumor, and obtaining perfusion images. In addition, gold provides better visibility than iodine when used in an X-ray contrast agent. Therefore, better x-ray images can be obtained using the X-ray contrast agent containing gold nanoparticles. | 03-25-2010 |
20100266508 | STABILIZED GOLD NANOPARTICLE AND CONTRAST AGENT - A kit for providing a contrast enhancer in a mammal for contrasting during imaging of the mammal comprises functionalized gold nanoparticles configured to be directed to one or more of a target organ, tissue and lesion of the mammal. | 10-21-2010 |
20100284936 | CONTRAST AGENTS - The present invention relates to liposomes comprising particles with cores of tungsten or tungsten in mixture with other metallic elements as the contrast enhancing material and to the use of such pharmaceuticals, specifically as contrast agents in diagnostic imaging and in particular in X-ray imaging of liver tumours. | 11-11-2010 |
20100329991 | Medicinal preparation particularly for the treatment of slipped discs hernias - The invention concerns a product consisting in an injection medicinal formulations comprising at least one compound to provide a viscous formulation, ethanol and at least one compound making said formulation opaque to X rays so as to control its delivery and its action. Said formulation is in particular useful for treating herniated invertebral discs but also in intervention having demonstrated the efficacy of pure ethanol: treatment of hepatocellular tumours or osteoid osteomas, renal cysts and arterial-veinous angiomas. | 12-30-2010 |
20110020243 | METHODS AND COMPOSITIONS FOR IMAGING CANCER CELLS - Disclosed are compositions comprising nanoparticles and uses thereof. Such nanoparticles include gold nanoparticles conjugated to glucose or a glucose derivative, which are useful as contrast agents in imaging methods such as computed tomography (CT). Nanoparticles disclosed herein are useful in imaging various cells, tissues, and organs, and are particularly useful in imaging tumors and tumor cells in vitro and in vivo. | 01-27-2011 |
20110064676 | Diagnostic and therapeutic nanoparticles - The present invention relates to diagnostic and therapeutic nanoparticles. More particularly, the present invention relates to creating a hybrid gold/gold sulfide nanoparticle with a chitosan matrix surrounding the metallic nanoparticle and a method for making the same. The chitosan-coated gold/gold sulfide nanoparticles can then be incorporated with additional therapeutic or diagnostic compounds such as iodine, antibodies, or other suitable compounds. The nanoparticles of the present invention have the dual capabilities of absorbing near infrared wavelength light to (1) act as a therapeutic agent by generating heat energy effective for cell ablation or for release of therapeutic compounds embedded in the chitosan matrix and (2) creating diagnostic benefit by incorporation of X-ray or MRI contrast-agents. | 03-17-2011 |
20110311456 | MARKER ALLOY - A marker alloy foreign implant made of a biodegradable metallic material and having the composition MgxYbyMz wherein x is equal to 10-60 atomic percent; y is equal to 40-90 atomic percent; z is equal to 0-10 atomic percent; M is one or more element selected from the group consisting of Ag, Zn, Au, Ga, Pd, Pt, Al, Sn, Ca, Nd, Ba, Si, and Ge; and wherein x, y, and z, together, and including contaminants caused by production, result in 100 atomic percent. | 12-22-2011 |
20120148501 | RADIOLOGICAL IMAGE ENHANCEMENT WITH TANTALUM CLUSTERS - A solution comprising a defined concentration of purified tantalum clusters in a solvent selected from the group consisting of water, ethanol, ethylene glycol and propylene glycol; wherein said defined concentration is greater than 100 mM, preferably greater than 150 mM; most preferably greater than 300 mM. The purified tantalum clusters are obtained by sequentially washing crude tantalum clusters containing residual chloride ions with aqueous hydrochloric acid to remove residual sodium chloride; and washing the hydrochloric acid-washed tantalum clusters with diethyl ether to remove residual hydrochloric acid and water. | 06-14-2012 |
20120258051 | Multistrata nanoparticles and methods for making multistrata nanoparticles - A composition comprising a core comprising an iron oxide, a first shell comprising at least one plasmon active metal at least partially surrounding the core, a second shell comprising a dielectric material at least partially surrounding the first shell, and a third shell comprising at least one plasmon active metal at least partially surrounding the second shell. | 10-11-2012 |
20120282185 | PARTICLES FOR THE TREATMENT OF CANCER IN COMBINATION WITH RADIOTHERAPY - The invention provides a particle comprising a metal oxide which is doped with at least one rare earth element, wherein the metal oxide is selected from titanium dioxide, zinc oxide, cerium oxide and mixtures of two or more thereof. The invention also provides a pharmaceutical composition comprising the particles, and to uses of the particles and composition in the treatment and diagnosis of cancer. | 11-08-2012 |
20130084248 | STABILIZED, BIOCOMPATIBLE GOLD NANOPARTICLES - The invention provides stabilized, biocompatible gold nanoparticles that are stabilized with material from polyphenols- or flavanoids-rich plant material or reactive phytochemical components of the plant material. The gold nanoparticles of the invention can be fabricated with an environmentally friendly method for making biocompatible stabilized gold nanoparticles. In preferred embodiments, the coating consists of material from polyphenols- or flavanoids-rich plant material or reactive phytochemical components of the plant material. | 04-04-2013 |
20140056821 | NANOPARTICULATE COMPOSITIONS FOR DIAGNOSTIC IMAGING - The present invention provides a trialkoxysilane having structure I | 02-27-2014 |
20140205544 | Cancer Treatment Comprising Therapeutics That Bind To Phosphatidylserine - Disclosed is the surprising discovery that aminophospholipids, such as phosphatidylserine and phosphatidylethanolamine, are specific, accessible and stable markers of the luminal surface of tumor blood vessels. The present invention thus provides aminophospholipid-targeted diagnostic and therapeutic constructs for use in tumor intervention. Antibody-therapeutic agent conjugates and constructs that bind to aminophospholipids are particularly provided, as are methods of specifically delivering therapeutic agents, including toxins and coagulants, to the stably-expressed aminophospholipids of tumor blood vessels, thereby inducing thrombosis, necrosis and tumor regression. | 07-24-2014 |
20150132229 | BIS AZAINOSITOL HEAVY METAL COMPLEXES FOR X-RAY IMAGING - The present invention describes a new class of trinuclear heavy metal complexes comprising two hexadentate azainositol tricarboxylic acid ligands, a method for their preparation and their use as X-ray contrast agents. | 05-14-2015 |
20150139912 | CT Contrast Medium for Detecting Thrombus, Comprising Fibrin-Targeted Peptide Sequence-Conjugated Glycol Chitosan-Gold Nanoparticles - The present invention relates to a CT contrast agent for detecting a thrombus, comprising fibrin-targeted peptide sequence-conjugated glycol chitosan-gold nanoparticles. The CT contrast agent for detecting a thrombus according to an embodiment of the present invention may allow rapid and repeated acquisition of CT image information related to the size and location of a thrombus in cardio-cerebral vascular thrombosis, and also enables the imaging monitoring of cerebral thrombus. | 05-21-2015 |
20150139913 | MEDICAL USE OF PARTICLES OF TITANIUM AND/OR TITANIUM OXIDE - The present invention describes particles of titanium, titanium alloy, at least one type of titanium oxide or a combination thereof, wherein at least a substantial amount of the particles are of micrometer-millimeter size and are non-spherical, for use as an X-ray contrast agent. The irregular shapes and/or internal pores and cavities of said particles lead to a prolonged retention time in the gastrointestinal tract leading to a longer time period available for X-ray examination. Further, the particles are not only chemically inert, they also exhibit an anti-inflammatory and anti-bacterial effect on the surrounding tissue. | 05-21-2015 |
20150362500 | X-ray Excited Optical Materials and Methods for High Resolution Chemical Imaging - X-ray/optical imaging materials are described and techniques as may be used for sensitive and high spatial resolution chemical and biophysical imaging in tissue. The technique uses high spatial resolution deeply penetrating X-rays to excite scintillators which convert the energy to a different frequency, e.g., visible light frequencies. The emitted spectrum is then modulated by a chemical indicating element such as an indicator dye held in optical communication with the scintillators in order to detect specific concentrations in the local area. The materials can include a magnetic element in conjunction with the scintillator and chemical indicating element. The materials can incorporate a biologically active agent for delivery. | 12-17-2015 |
20160008151 | IMPLANTABLE PROSTHESIS WITH RADIOPAQUE PARTICLES AND METHOD OF MAKING SAME | 01-14-2016 |
20160060209 | BIS AZAINOSITOL HAFNIUM COMPLEXES FOR X-RAY IMAGING - The present invention describes a new class of trinuclear hafnium complexes comprising two hexadentate azainositol carboxylic acid ligands, methods for their preparation and their use as X-ray contrast agents and X-ray diagnostic agents. The claimed compounds can be described by the following Markush formula describing rinuclear hafnium complexes of general formula (I). The following is a compound according to the above Markush formula (example 8). | 03-03-2016 |
20160074511 | RECOMBINANT SELF-ASSEMBLING PROTEIN COMPRISING TARGET-ORIENTED PEPTIDE AND USE THEREOF - The present invention relates to a recombinant self-assembled protein comprising a target-oriented peptide and a use thereof. The recombinant self-assembled protein according to the present invention, comprising a target-oriented peptide, does not require an additional process for providing target-orientedness, and is thus capable of delivering a desired drug to a target tissue or target cell without using additives, such as chemical binders or stabilizers; therefore, the protein can be used for photothermal therapy, drug delivery, imaging, or the like. In particular, according to the present invention, it is to possible to prepare gold-protein nanoparticle fusions in which uniform high-density gold nanoparticles having target-orientedness are bound to protein surfaces, without an additional process of surface stabilization or process for providing target-orientedness. Compared with conventional gold nanoparticles, the gold-protein nanoparticle fusions according to the present invention show structural stability against pH variation and concentration variation, and also have excellent target-orientedness; therefore, the fusions can bring a dramatic enhancement to the utilization of gold nanoparticles in photothermal therapy. | 03-17-2016 |
20160136303 | COMPOSITIONS AND METHODS FOR USE IN MEDICAL DIAGNOSIS - The present invention relates to compositions and methods for use in medical diagnosis and patient's monitoring. It more particularly relates to a biocompatible gel comprising nanoparticles and/or nanoparticle aggregates, wherein i) the nanoparticle and/or nanoparticles of the aggregate comprise an inorganic material comprising at least one metal element having an atomic number Z of at least 25, each of said nanoparticle and of said nanoparticle aggregate being covered with a biocompatible coating; ii) the nanoparticles and/or nanoparticle aggregate concentration is of about or less than 0.5% (w/w); and iii) the apparent viscosity at 2 s | 05-19-2016 |
20160136304 | COMPOSITIONS AND METHODS FOR USE IN ONCOLOGY - The present invention relates to compositions and methods for use in medical diagnostic and patient monitoring, typically in the context of therapy, in particular in the context of oncology to optimize tumor bed local irradiation. It more particularly relates to a biocompatible gel comprising nanoparticle and/or nanoparticles aggregates, wherein i) the density of each nanoparticle and of each nanoparticle aggregate is of at least 7 g/cm | 05-19-2016 |