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                    AuroVist™ 15 nm:
                    Buy nowGold Blood Pool X-ray Contrast Agent


                    Updated: January 1, 2020
                    Unparalleled for Micro CT!

                    AuroVist-15 nm: Highest contrast of any blood pool contrast agent; Longest blood residence of any x-ray contrast agent.

                    An independent comparison study of microCT contrast agents evaluated AuroVist 15 nm against Iomeron 400, eXIA160XL and ExiTron nano 12000. Their conclusion:

                    "AuroVist 15 nm provided the highest attenuation...AuroVist 15 nm is best suited for anatomical investigation of the vascular network."

                    Laura Nebuloni, Gisela A. Kuhn, Ralph Müller. A Comparative Analysis of Water-Soluble and Blood-Pool Contrast Agents for in vivo Vascular Imaging with Micro-CT. Academic Radiology 2013; 20:1247–1255.

                    "Gold nanoparticles (AuNp) are becoming one of the most promising contrast agents for CT due to their remarkable properties including high x-ray absorption coefficient, tailored surface chemistry, and excellent biocompatibility."

                    Darin P Clark, Ketan Ghaghada, Everett J Moding, David G Kirsch and Cristian T Badea. In vivo characterization of tumor vasculature using iodine and gold nanoparticles and dual energy micro-CT. 2013 Phys. Med. Biol. 58 1683

                     


                    Buy now
                    Not yet approved for clinical use.

                    In vivo micro-CT of mouse after injection with AuroVist 15 nm x-ray contrast agent.
                    In vivo micro-CT of mouse after injection with AuroVist 15 nm x-ray contrast agent.

                     

                    20µm blood vessels in a live mouse around legs and pelvic region after IV injection of AuroVist™-15nm.
                    20Ám blood vessels in a live mouse around legs and pelvic region after IV injection of AuroVist?15nm.


                    See also:
                    AuroVist™ 1.9 nm
                    for the best in kidney imaging
                    and other applications


                    New Amazing video of AuroVist™ 15 nm in action--

                    In vivo MicroCT of mouse
                    after AuroVist™ 15 nm injection

                    Note very high contrast in blood and heart,
                    with little accumulation in the liver.

                    AuroVist
                    is a revolutionary tool in vascular imaging--
                    Get up to 3 times the contrast of iodine,
                    without the vascular damage!

                    Images from recent experiments,
                    right here at the Nanoprobes Labs.

                    Order online

                     


                    Gold Nanoparticles:
                    a New X-Ray Contrast Agent

                    • Highest contrast of any blood pool contrast agent
                    • Longest blood residence time
                      of any contrast agent available
                      - 24 hours!
                    • 200 mg Au/mL injected into mouse gives 1800 HU in blood vessels
                    • Low toxicity: LD50 >5.0 g Au/kg
                    • Low osmolality, even at high concentrations
                    • Low viscosity, similar to water; easy to inject, even into small vessels
                    • Long imaging times and high contrast: 
                      Ideal for imaging by microCT
                    • Can be concentrated to 600 mg Au/mL for super contrast
                    • Sized to use EPR- leaks out of bloodstream into angiogenic, cancerous tissue for theranostics
                    MicroCT of brain of live mouse after IV injection of AuroVist-15 nm. 
Tumor stands out (white density) due to penetration of AuroVist-15 nm
through the compromised blood-brain-tumor barrier.
Right: Skull computationally removed revealing brain vasculature.
                    MicroCT of brain of live mouse after IV injection of AuroVist-15 nm.
                    Tumor stands out (white density) due to penetration of AuroVist-15 nm
                    through the compromised blood-brain-tumor barrier.
                    Right: Skull computationally removed revealing brain vasculature.


                    AuroVist™ enhances radiotherapy!

                    In our cancer research here at Nanoprobes, we've had some amazing results treating tumors in mice with gold enhanced radiation therapy, using AuroVist™.

                    Read more in our spotlight article:

                    Can Gold Cure Cancer?
                    Gold Nanoparticles in Radiation Therapy

                    Dosage guidelines: How many mice per 40 mg vial?

                    • 10 mice per 40 mg vial has been reported to work well for general use by our customers.
                    • 2 mice per 40 mg vial yields very high contrast. Nebuloni et al. used this dose in their 2013 comparative study, finding an attenuation of 2.33/mm, much better than the other x-ray contrast agents at equivalent dose.
                    • For super-resolution, use the entire 40 mg vial per mouse. This is the dose used in Hainfeld et al.'s 2013 paper. We don't see toxicity problems in our laboratory with even very high doses-- we have so far only been limited by the total volume that a mouse can take.
                    • Remember that the blood half-life is 24 hours, so repeat imaging is possible even days after a single injection:
                    • "Because of the slow clearance process of gold nanoparticles, an anatomical representation of blood vessels is still possible at 2 and 3 days after injection. This particular feature of AuroVist 15 nm might allow follow-up imaging without repeated injections or with lower doses of contrast material." (Nebuloni, 2013)

                       

                    Price List:
                    AuroVist™
                    Gold X-ray Contrast Agent
                    Custom conjugation is also available, of Nanogold®, FluoroNanogold, undecagold or colloidal gold to primary antibodies, peptides, small molecules, or other molecules.
                    Dosage Guidelines View Cart
                    #1115-40MGAu New
                    AuroVist™ 15 nm
                    15 nm gold nanoparticles containing 40 mg gold metal. Supplied dissolved in 0.2 mL phosphate buffered saline (PBS: 20 mM sodium phosphate with 150 mM sodium chloride, pH 7.4), filtered through a 0.22 µm filter. 40 mg Au
                    $307
                    Qty:

                    Code (Optional)

                    #1115A-5X40MGAuNew
                    AuroVist™ 15 nm
                    5 vials
                    Five vials of 15 nm gold nanoparticles, each containing 40 mg gold metal. Supplied dissolved in 0.2 mL phosphate buffered saline (PBS: 20 mM sodium phosphate with 150 mM sodium chloride, pH 7.4), filtered through a 0.22 µm filter. 5 x 40 mg Au
                    $1,427
                    Qty:

                    Code (Optional)

                      Need a smaller version?
                      See also: AuroVist 1.9 nm
                    • Clears through kidneys
                    • Biphasic clearance still allows ample time for long micro-CT scans
                    [ Learn more ]
                    View Cart International orders: Our regional distributors can provide expedited customs processing and delivery.

                     

                     

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