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Gold Nanoparticles for Nanotechnology

Nanopartz™ is recognized as both an innovator and a quality supplier of gold nanoparticle based products including Accurate™ Spherical Gold Nanoparticles, Nanorodz™ brand Gold Nanorods, Micron sized Gold (Microgold™), Gold Nanowires, Ramanprobes™ and Plasmonic Fluorophores™. Nanopartz offers value added services including functionalized gold nanoparticles, oligo and dna functionalized gold nanoparticles, platinum and palladium coated gold nanoparticles, as well as gold nanoparticles for in vivo imaging, drug delivery, and cell uptake. In general, Nanopartz is your one stop source for gold colloidal nanoparticles and gold nanomaterials.

Products developed at Nanopartz constitute an essential core technology for the life sciences in diagnostics, imaging, and therapeutics - particularly cancer. In other fields, Nanopartz products are well suited for sensors, solar cells, liquid crystals, non-linear optics, polarizers, negative refractive index materials, standards, catalytics, and as robust subcomponents in electronics. Nanopartz offers products for the researcher as well as the materials manufacturer.

Over the past five years, Nanopartz nanomaterials have appeared in over 800 publications, multiple covers, and dozens of patents. Numerous companies have employed Nanopartz innovative nanomaterials into their new technologies and improved old technologies. Partnering with Nanopartz not only ensures innovation, as a supplier to Fortune 500 companies, partnering with Nanopartz ensures repeated success.


spherical gold nanoparticles

Accurate™ Spherical Gold Nanoparticles

Gold Nanorods

Gold Nanorods



Gold nanowires

Gold Nanowires

Gold Nanobeads


SERS Ramanprobes

Plasmonic Fluorophores™

Platinum and Palladium coated gold nanoparticles

Pt, Pd, @ gold nanoparticles

Carbon nanoparticles

Fluorescent Carbon Nanoparticles

In vivo non-toxic carbon fluorophores

Preconjugated gold nanoparticles

Silica @ Gold Nanoparticles

Conjugated Gold Nanoparticles

One Step Conjugation Kits

Conjugate Antibodes to gold nanoparticles in one easy step


[HTML] Tissue perfusion modelling in optical coherence tomography

P Stohanzlova, R Kolar - Biomedical …, 2017 - biomedical-engineering-online. …
... Contrast agents. As a contrast agent in this experiment, two types of gold nanorods were utilised.
Gold nanorods (Nanopartz Inc., A12N-10-1400 and A12N-25-1400) are in a form of colloidal
suspension with water. ... Table 1 Properties of gold nanorods, Nanopartz Inc. ...

[HTML] Improved Tumor Uptake by Optimizing Liposome Based RES Blockade Strategy

X Sun, X Yan, O Jacobson, W Sun, Z Wang, X Tong… - Theranostics, 2017 -
... Polar Lipids (Alabaster, AL, USA). Au NRs (40 × 10 nm) were purchased from Nanopartz
(Loveland, CO, USA). Poly(ethyleneglycol)-thiol (MW 5000 g/mol) was purchased from
Nanocs (New York, NY, USA). 1,4,7,10-tetraazacyclododecane ...

[HTML] Three-dimensional defocused orientation sensing of single bimetallic core–shell gold nanorods as multifunctional optical probes

GW Kim, SY Lee, JW Ha - Analyst, 2017 -
... AuNR and Pd-AuNR). The bimetallic AuNRs were purchased from Sigma Aldrich
(St Louis, MO, USA), while the bare AuNRs with no metals on the surface were
obtained from Nanopartz (Loveland, CO, USA). The mean length ...

Label-free visualization of nilotinib-functionalized gold nanoparticles within single mammalian cells by C60-SIMS imaging

AN Bloom, H Tian, C Schoen, N Winograd - Analytical and Bioanalytical …, 2017 - Springer
... All nanoparticles were provided by Nanopartz (Loveland, CO, USA) and studied without
modification within cells. ... The 20-nm cell uptake polymer/nilotinib-functionalized gold nanospheres
(Nanopartz, Loveland, CO, USA) were studied within cells without modification. ...

[HTML] Detection of Adhesion Molecules on Inflamed Macrophages at Early-Stage Using SERS Probe Gold Nanorods

D Pissuwan, Y Hattori - Nano-Micro Letters, 2017 - Springer
... GNRs (1000 µL) obtained from Nanopartz were mixed with 10 mM 4-Mercaptobenzoic acid (4MBA,
10 µL) under vigorous stirring for 2 h and then centrifuged for 10 min at 6000×g. The pellet was
re-dispersed in 300 µL milli-Q water, followed by the addition of 10 mg mL −1 poly ...

Determining Electrochemical Surface Stress of Single Nanowires

H Wang, X ShanH Yu, Y Wang… - Angewandte …, 2017 - Wiley Online Library
... The corresponding scanning electron microscopy (SEM) and atomic force microscopy (AFM)
images (Figures 1 D–F) show more clearly that the nanowire is uniform with a diameter of 56.2
nm, which is within the range specified by the manufacturer (Nanopartz TM ). ...

Label-free optical detection of single enzyme-reactant reactions and associated conformational changes

E Kim, MD Baaske, I Schuldes, PS Wilsch… - arXiv preprint arXiv: …, 2017 -
... cedure used in previous works [12]. Step (1): cethyltrimethylammonium bromide (CTAB)-stabilized
gold NRs with diameters of 10nm and lengths of 35nm (Nanopartz) are immobilized on the mi- ... nm
length, Nanopartz) at a concentration of 5.7 · 1011 nanoparticles/µL. ...

Photothermal activation of astrocyte cells using localized surface plasmon resonance of gold nanorods

K Eom, S Hwang, S Yun, KM Byun… - Journal of …, 2017 - Wiley Online Library
... The size and shape of streptavidin-coated GNRs (C12-10-980-TS, Nanopartz Inc., Loveland,
CO, USA) with a concentration of 3.4 × 10 13 mL −1 are analyzed using transmission electron
microscopy (TEM, Libra 120, Carl Zeiss, Germany) and extinction spectrum is measured ...

[HTML] Accuracy of the detection of binding events using 3D single particle tracking

S Carozza, J Culkin, J van Noort - BMC Biophysics, 2017 -
... Sample preparation. Samples of GNRs of two different sizes were used: 47 ±4 nm x 14
±2 nm GNRs were synthesized through a seed-mediated method [22], while 53 ±6 nm x
16 ±3 nm GNRs were purchased from Nanopartz (A12-25-780-CTAB). ...

Improved borders detection of areas enriched with gold nanoparticles inside biological phantom

Y Danan, Z Zalevsky, M Sinvani - Proc. of SPIE …, 2017 -
... under vacuum conditions to avoid bubbles formation. 3.2 GNR characterization The
gold nanorods used were with 37 nm length and10 nm diameter, purchased from
Nanopartz Inc.(Colorado, USA). One can see in Figure 2 a ...