Nanopartz Gold Nanorods

Nanopartz™ Gold Nanorodz™ are gold nanorods manufactured using patented, patent pending and proprietary methods that result in exact sizes, highly monodisperse sizes and shapes, long shelf lives, along with significantly improved reactivity. Diameters are 5, 10, 25, 40, 50 and 70nm. Peak SPRs range from 550nm to 2100nm. Every batch is completely characterized including size and concentration. The solutions have been purified of any reactive chemicals and CTAB is kept to less than 5mM. A Certificate of Analysis (COA) is provided for every order exhibiting TEM and UV-VIS images and data, as well as DLS data. Every product is in stock (99%) and is shipped same day. This product comes in two concentrations, regular OD=1, and highly concentrated OD=100. Our nanorods come with a number of different capping agents including Hexadecyltrimethylammonium bromide (CTAB), citrate, branched polyethyleneimine (PEI), Polyacrylic acid (PAA), Polyallylamine (PAH), Polyvinylpyrrolidone (PVP), and our Nanopartz charged polymers that change the overall zeta potential to either +35mV, neutral, or -35mV. Nanopartz Gold Nanorodz are the industry standard, and have appeared in countless publications.In the Product List Tab below, click on the product part number for current lot specification sheets.

 

image_10

 

Part # Diam (nm) Length (nm) Peak LSPR Wave (nm) Aspect Ratio Peak SPR Wave (nm) Nanorods /mL Wt. conc (ug/ml) Molarity (nM) Picomoles SPR Molar Ext. (M-1cm-1) LSPR Molar Ext. (M-1cm-1)

Peak SPR

(nm)

SPR

Line

width

80% (nm)

A12-5-808 5 21 808 4.2 510 4.78E+12 35 7.97 7.97E+00 1.25E+08 3.14E+07 794-829 100
A12-5-780 5 19 780 3.8 510 5.34E+12 35 8.89 8.89E+00 1.12E+08 2.81E+07 765-794 100
A12-5-700 5 15 700 3 510 6.94E+12 35 11.56 1.16E+01 8.65E+07 2.16E+07 675-725 100
                           
A12-10-2100 10 175 2100 17.5 510 1.35E+11 35 0.22 2.24E-01 4.46E+09 1.11E+09 1900-2300 300
A12-10-1400 10 102 1400 10.2 510 2.34E+11 35 0.39 3.89E-01 2.57E+09 6.42E+08 1300-1500 150
A12-10-1200 10 81 1200 8.1 510 2.96E+11 35 0.49 4.93E-01 2.03E+09 5.07E+08 1132-1300 150
A12-10-1064 10 67 1064 6.7 510 3.62E+11 35 0.6 6.03E-01 1.66E+09 4.15E+08 1022-1132 150
A12-10-980 10 59 980 5.9 510 4.19E+11 35 0.7 6.98E-01 1.43E+09 3.58E+08 965-1022 150
A12-10-950 10 55 950 5.5 510 4.44E+11 35 0.74 7.40E-01 1.35E+09 3.38E+08 925-965 150
A12-10-900 10 50 900 5 510 4.93E+11 35 0.82 8.22E-01 1.22E+09 3.04E+08 875-925 150
A12-10-850 10 45 850 4.5 510 5.55E+11 35 0.93 9.25E-01 1.08E+09 2.70E+08 829-875 100
A12-10-808 10 41 808 4.1 510 6.20E+11 35 1.03 1.03E+00 9.68E+08 2.42E+08 794-829 75
A12-10-780 10 38 780 3.8 510 6.73E+11 35 1.12 1.12E+00 8.92E+08 2.23E+08 765-794 65
A12-10-750 10 35 750 3.5 510 7.40E+11 35 1.23 1.23E+00 8.11E+08 2.03E+08 725-765 50
A12-10-700 10 29 700 2.9 510 8.88E+11 35 1.48 1.48E+00 6.76E+08 1.69E+08 675-725 40
A12-10-650 10 24 650 2.4 510 1.11E+12 35 1.85 1.85E+00 5.41E+08 1.35E+08 625-675 40
A12-10-600 10 19 600 1.9 510 1.48E+12 35 2.47 2.47E+00 4.05E+08 1.01E+08 575-625 40
                           
A12-25-1400 25 245 1400 9.8 514 2.23E+10 50 0.04 3.72E-02 2.69E+10 8.06E+09 1232-1500 150
A12-25-1064 25 137 1064 5.5 514 4.11E+10 50 0.07 6.85E-02 1.46E+10 4.38E+09 1022-1232 150
A12-25-980 25 119 980 4.8 514 4.78E+10 50 0.08 7.96E-02 1.26E+10 3.77E+09 965-1022 150
A12-25-950 25 102 950 4.1 514 5.64E+10 50 0.09 9.41E-02 1.06E+10 3.19E+09 925-965 150
A12-25-900 25 96 900 3.8 514 6.03E+10 50 0.1 1.00E-01 9.95E+09 2.99E+09 875-925 150
A12-25-850 25 93 850 3.7 514 6.24E+10 50 0.1 1.04E-01 9.61E+09 2.88E+09 829-875 150
A12-25-808 25 90 808 3.6 514 6.47E+10 50 0.11 1.08E-01 9.27E+09 2.78E+09 794-829 150
A12-25-780 25 87 780 3.5 514 6.72E+10 50 0.11 1.12E-01 8.93E+09 2.68E+09 765-794 150
A12-25-750 25 85 750 3.4 514 6.89E+10 50 0.11 1.15E-01 8.70E+09 2.61E+09 725-765 65
A12-25-700 25 75 700 3 514 7.93E+10 50 0.13 1.32E-01 7.57E+09 2.27E+09 675-725 60
A12-25-650 25 71 650 2.8 514 8.43E+10 50 0.14 1.41E-01 7.11E+09 2.13E+09 625-675 60
A12-25-600 25 57 600 2.3 514 1.09E+11 50 0.18 1.81E-01 5.52E+09 1.66E+09 575-625 60
A12-25-550 25 34 550 1.4 514 2.03E+11 50 0.34 3.38E-01 2.96E+09 8.87E+08 525-575 60
                           
A12-40-1064 40 208 850 5.2 520 1.06E+10 50 0.02 1.77E-02 5.66E+10 2.26E+10 1022-1232 150
A12-40-980 40 180 850 4.5 520 1.24E+10 50 0.02 2.06E-02 4.84E+10 1.94E+10 875-1022 150
A12-40-850 40 148 850 3.7 520 1.53E+10 50 0.03 2.56E-02 3.91E+10 1.57E+10 829-875 150
A12-40-808 40 134 808 3.4 520 1.71E+10 50 0.03 2.85E-02 3.51E+10 1.40E+10 794-829 150
A12-40-780 40 124 780 3.1 520 1.87E+10 50 0.03 3.11E-02 3.22E+10 1.29E+10 765-794 150
A12-40-750 40 112 750 2.8 520 2.09E+10 50 0.03 3.49E-02 2.87E+10 1.15E+10 725-765 150
A12-40-700 40 92 700 2.3 520 2.62E+10 50 0.04 4.37E-02 2.29E+10 9.14E+09 675-725 60
A12-40-650 40 80 650 2 520 3.10E+10 50 0.05 5.16E-02 1.94E+10 7.75E+09 625-675 60
A12-40-600 40 68 600 1.7 520 3.78E+10 50 0.06 6.30E-02 1.59E+10 6.35E+09 575-625 60
A12-40-550 40 60 550 1.5 520 4.42E+10 50 0.07 7.37E-02 1.36E+10 5.42E+09 525-575 60
                           
A12-50-1064 50 245 1064 4.9 530 5.79E+09 50 0.01 9.65E-03 1.04E+11 5.18E+10 980-1232 150
A12-50-800 50 145 808 2.9 530 1.03E+10 50 0.02 1.72E-02 5.83E+10 2.91E+10 750-850 150
A12-50-700 50 110 700 2.2 530 1.42E+10 50 0.02 2.36E-02 4.24E+10 2.12E+10 650-750 150
A12-50-600 50 100 600 2 530 1.59E+10 50 0.03 2.64E-02 3.78E+10 1.89E+10 550-650 150
                           
A12-70-750 70 120 750 1.7 540 6.97E+09 50 0.01 1.16E-02 8.60E+10 4.30E+10 700-800 150
A12-70-650 70 105 650 1.5 540 8.26E+09 50 0.01 1.38E-02 7.27E+10 3.63E+10 600-700 150
A12-70-550 70 91 550 1.3 540 9.96E+09 50 0.02 1.66E-02 6.02E+10 3.01E+10 500-600 150
                           

 

LSPR = Longitudinal SPR peak
SPR = Transverse SPR peak
Shape monodispersity (% rods) > 95%
Size variation +/-10% (both dimensions)

 

 

Part # Diam (nm) Length (nm) Peak LSPR Wave (nm) Aspect Ratio Peak SPR Wave (nm) Nanorods /mL Wt. conc (mg/ml) Molarity (nM) or picomoles SPR Molar Ext. (M-1cm-1) LSPR Molar Ext. (M-1cm-1)

Peak SPR

accuracy

(nm)

SPR Line

width

80% (nm)

AC12-5-808 5 21 808 4.2 510 4.78E+14 3.5 797.43 1.25E+08 3.14E+07 1900-2300 300
AC12-5-780 5 19 780 3.8 510 5.34E+14 3.5 889.44 1.12E+08 2.81E+07 1900-2300 300
AC12-5-700 5 15 700 3 510 6.94E+14 3.5 1,156.28 8.65E+07 2.16E+07 1900-2300 300
                         
AC12-10-2100 10 175 2100 17.5 510 1.35E+13 3.5 22.42 4.46E+09 1.11E+09 1900-2300 300
AC12-10-1400 10 102 1400 10.2 510 2.34E+13 3.5 38.95 2.57E+09 6.42E+08 1300-1500 150
AC12-10-1200 10 81 1200 8.1 510 2.96E+13 3.5 49.33 2.03E+09 5.07E+08 1132-1300 150
AC12-10-1064 10 67 1064 6.7 510 3.62E+13 3.5 60.26 1.66E+09 4.15E+08 1022-1132 150
AC12-10-980 10 59 980 5.9 510 4.19E+13 3.5 69.81 1.43E+09 3.58E+08 965-1022 150
AC12-10-950 10 55 950 5.5 510 4.44E+13 3.5 74 1.35E+09 3.38E+08 925-965 150
AC12-10-900 10 50 900 5 510 4.93E+13 3.5 82.22 1.22E+09 3.04E+08 875-925 150
AC12-10-850 10 45 850 4.5 510 5.55E+13 3.5 92.5 1.08E+09 2.70E+08 829-875 100
AC12-10-808 10 41 808 4.1 510 6.20E+13 3.5 103.35 9.68E+08 2.42E+08 794-829 75
AC12-10-780 10 38 780 3.8 510 6.73E+13 3.5 112.12 8.92E+08 2.23E+08 765-794 65
AC12-10-750 10 35 750 3.5 510 7.40E+13 3.5 123.34 8.11E+08 2.03E+08 725-765 50
AC12-10-700 10 29 700 2.9 510 8.88E+13 3.5 148 6.76E+08 1.69E+08 675-725 40
AC12-10-650 10 24 650 2.4 510 1.11E+14 3.5 185 5.41E+08 1.35E+08 625-675 40
AC12-10-600 10 19 600 1.9 510 1.48E+14 3.5 246.67 4.05E+08 1.01E+08 575-625 40
                         
AC12-25-1400 25 245 1400 9.8 514 2.23E+12 5 3.72 2.69E+10 8.06E+09 1232-1500 150
AC12-25-1064 25 137 1064 5.5 514 4.11E+12 5 6.85 1.46E+10 4.38E+09 1022-1232 150
AC12-25-980 25 119 980 4.8 514 4.78E+12 5 7.96 1.26E+10 3.77E+09 965-1022 150
AC12-25-950 25 102 950 4.1 514 5.64E+12 5 9.41 1.06E+10 3.19E+09 925-965 150
AC12-25-900 25 96 900 3.8 514 6.03E+12 5 10.05 9.95E+09 2.99E+09 875-925 150
AC12-25-850 25 93 850 3.7 514 6.24E+12 5 10.41 9.61E+09 2.88E+09 829-875 150
AC12-25-808 25 90 808 3.6 514 6.47E+12 5 10.79 9.27E+09 2.78E+09 794-829 150
AC12-25-780 25 87 780 3.5 514 6.72E+12 5 11.2 8.93E+09 2.68E+09 765-794 150
AC12-25-750 25 85 750 3.4 514 6.89E+12 5 11.49 8.70E+09 2.61E+09 725-765 65
AC12-25-700 25 75 700 3 514 7.93E+12 5 13.21 7.57E+09 2.27E+09 675-725 60
AC12-25-650 25 71 650 2.8 514 8.43E+12 5 14.06 7.11E+09 2.13E+09 625-675 60
AC12-25-600 25 57 600 2.3 514 1.09E+13 5 18.1 5.52E+09 1.66E+09 575-625 60
AC12-25-550 25 34 550 1.4 514 2.03E+13 5 33.83 2.96E+09 8.87E+08 525-575 60
                         
AC12-40-850 40 148 850 3.7 520 1.53E+12 5 2.56 3.91E+10 1.57E+10 829-875 60
AC12-40-808 40 134 808 3.4 520 1.71E+12 5 2.85 3.51E+10 1.40E+10 794-829 60
AC12-40-780 40 124 780 3.1 520 1.87E+12 5 3.11 3.22E+10 1.29E+10 765-794 60
AC12-40-750 40 112 750 2.8 520 2.09E+12 5 3.49 2.87E+10 1.15E+10 725-765 60
AC12-40-700 40 92 700 2.3 520 2.62E+12 5 4.37 2.29E+10 9.14E+09 675-725 60
AC12-40-650 40 80 650 2 520 3.10E+12 5 5.16 1.94E+10 7.75E+09 625-675 60
AC12-40-600 40 68 600 1.7 520 3.78E+12 5 6.3 1.59E+10 6.35E+09 575-625 60
AC12-40-550 40 60 550 1.5 520 4.42E+12 5 7.37 1.36E+10 5.42E+09 525-575 60
                         
AC12-50-800 50 145 800 2.9 530 1.03E+12 5 1.72 5.83E+10 2.91E+10 750-825 150
AC12-50-700 50 110 700 2.2 530 1.42E+12 5 2.36 4.24E+10 2.12E+10 650-750 150
AC12-50-600 50 100 600 2 530 1.59E+12 5 2.64 3.78E+10 1.89E+10 550-650 150
                         
A12-70-750 70 120 750 1.7 540 6.97E+11 5 1.16 8.60E+10 3.44E+10 829-875 150
A12-70-650 70 105 650 1.5 540 8.26E+11 5 1.38 7.27E+10 2.91E+10 829-875 150
A12-70-550 70 91 550 1.3 540 9.96E+11 5 1.66 6.02E+10 2.41E+10 829-875 150

 

LSPR = Longitudinal SPR peak
SPR = Transverse SPR peak
Shape monodispersity (% rods) > 95%
Size variation +/-10% (both dimensions)

 

 

 

Gold Nanoparticles PEI
PEI
Gold Nanoparticles PAA
PAA
Gold Nanoparticles PAH
PAH
Gold Nanoparticles PVP
PVP
Gold Nanoparticles Citrate
Citrate
Gold Nanoparticles CTAB
CTAB

 

MW (g/mole)
Zeta Charge (mV)
Salt resistant?
Concentration Sensitive?
Easy to adsorb proteins?
Easy to thiolate?
Shelf Life at 4C
Citrate
192
-35
1.5mM
Yes
Yes
Yes
6 months
PEI
100K
30
150mM
No
Yes
Yes
6 months
PAA
10K
-30
150mM
No
Yes
Yes
6 months
PAH
10K
20
150mM
No
Yes
Yes
6 months
PVP
40K
-10
0.5M
No
No
Yes
6 months
CTAB
364
35
0.5M
Yes
No
No
6 months
BSA
66K
-15
0.5M
No
No
No
6 months

 

 

 

Composition

These bare gold nanorods are shipped in DI water with trace CTAB, trace poluymers, and no measurable residual chemicals. This guarantees little to no flocculation at 4°C storage and no wavelength shifting over time. 

Custom Formulation

Diameters 5, 10 nm, 25 nm, 40 nm, 50 nm, and 70 nm with resonances from 550nm to 2100nm are standard.  Other sizes are special order.  Please contact us.

Quantity

This product is available in 1mL and larger. For orders larger than 100mL, or for orders amounting over 10L per annum, please contact sales for quantity pricing.

Delivery

Standard sizes are in stock. Special order sizes are shipped in two weeks or less. All domestic shipments are sent Fed Ex Standard Overnight delivery, international Fed Ex Priority 2 day. No shipments on Fridays.

Conjugations

This product comes standard with CTAB. Options include PEI, PAH, PAA, Citrate, and Nanopartz non covalent charged polymers.

Shelf Life/Storage Temperature

This product is guaranteed for six months and should be stored at 4°C after opening. Care must be taken to only use sterile glassware when working with this product.

Toxicity

CTAB is known to be cytotoxic. All other conjugations are non-cytotoxic. This product has been sterilized and is biological free.

Sterilization

This product is sterilized.

The manufacturing method for these nanoparticles are based on our proprietary method. This invention allowed the first use of a reducing agent to be used at room temperature. Unlike citrate which is only a reducing agent at the boiling temperature of water - thereby quickly making non-monodisperse gold nanoparticles, our reducing agent works by slowing building nanoparticles from seed, atom by atom, over the course of up to hours. The result is a highly monodisperse product with unrivaled spherical shapes.

All of these "bare" particles are capped with ligands that are easily replaced with thiol and charge chemistries. We do not recommend using the carboxyl termination on our proprietary ligand as a conjugatable attachment.

Certifications

Every order comes with a Certification of Analysis that includes the following information. We use calibration traceable:

UV-VIS (Agilent 8453) for extinction and concentration measurements

NIR (Cary 500) for NIR extinction and concentration measurements

DLS (Malvern Nano ZS) for zeta potential measurement

ICP-MS (Varian 820-MS) for gold mass measurements

TEM (Phillips CM-100 100KV) for sizing

Spherical Gold Nanoparticles UV VIS

I am having a really hard time centrifuging the nanorods without them crashing.  I want to conjugate and purify - what do you recommend?

Purification of the nanorods is no simple task.  That's why we developed our our conjugated nanorods with carboxyl, amine, biotin, and neutravidin terminations - to make it easy for any of your conjugations. For a published paper regarding conjugating the gold nanorods, refer Rostro-Kohanloo et. al, "The stabilization and targeting of surfactant-synthesized gold nanorods", Nanotechnology 20 (2009)( http://atmsp.whut.edu.cn/resource/pdf/11144.pdf)

We have bought some gold nanorods from you and we would like to know the thickness of the CTAB coating because we are interested in the interaction between these CTAB coated nanorods with the surrounding. Do you know the thickness of the CTAB coating?

CTAB forms a bilayer micelle on the nanorods.  If it is completely linear, then the bilayer thickness would be ~3nm.

I don't see any CTAB in your nanorod solution, even at 4 °C. Why not?

We have devised a method that removes most all of the CTAB in the solution, only leaving that necessary for the stability of the nanorods.

Your nanorods never shift wavelength and their extinctions are very stable in both intensity and wavelength. I thought that nanorods were notorious for shifting to lower wavelengths with time?

Like the method described above, not only do we remove the excess CTAB, we are also able to remove all the active components, leaving only stable nanorods.

Why are nanorods positive in charge? All of the spheres I've ever used are negative in charge?

The fact that CTAB is a micelle creates the + positive charge on the nanorod.

What does the term "bare" when applied to nanoparticles mean?

There are no such thing as completely "bare" nanoparticles that are stable long term. Ligands are used to stabilize gold nanoparticles. The key to a "bare" nanoparticle ligand is one that is lightly adsorbed and can be readily replaced through covalent, charge, or other types of bonds.

How do you size your nanorods?

We use a combination of TEM and UV VIS to correctly assign exact measurements and variance to the nanorods.

Do you really provide a TEM for my specific lot?

Yes, and not just for 5-10 particles, rather 50-100 are standard.

What is OD?

Optical Density (OD) is measured by UV-VIS. An Optical Density OD=1 corresponds to a transmission of 10% through a 1cm cuvette. Optical Density is a nice unit to use since Optical Densities correlate linearly to concentration. So an Optical Density of 1.2 is equal to 1.2 times the concentration of a gold nanoparticle solution that has an Optical Density of 1. We use OD and concentration interchangingly as it is easier to refer to a solution of OD=1 rather than 2.35e12 nanoparticles. For all spheres up to 200nm, OD=1 does refer to 0.05mg/mL.

What is PDI?

PDI refers to polydispersity index and is equal to the standard deviation of the particle sizes divided by the average size.

Why is your shelf life time so much longer for your proprietary gold nanoparticles when compared to citrate stabilized gold nanoparticles?

As opposed to citrate, our Nanopartz Carboxylic Acid capping agent is not a growth medium.

Are your proprietary gold nanoparticles interchangeable with citrate stabilized gold nanoparticles?

Yes. However, the user must be aware that in order to stabilize citrate gold nanoparticles, previous manufacturers used to add many stabilizing agents. Consequently for example to ionically attach ligands to gold nanoparticles required the chemist to "drive" the reaction by adding 10-1000 times greater concentrations of the ligand. This is no longer necessary with our gold nanoparticles.

"We are now using Nanopartz Oligo Functionalized Nanorods for all of our DNA Origami work, and we are getting very good results!"

Dr. Guillermo Acuna 
TU Braunschweig 
Institute of Physical and Theoretical Chemistry
AG Tinnefeld for NanoBioSciences

 

"I have used Nanopartz MUTAB coated gold nanorods and their concentrated bare spherical gold nanoparticles for electrospray applications and have found their products easy to use, and their technical support to be excellent.  The solutions have excellent stability over long periods of time and meet the promised specifications closely. Thanks Nanopartz, I look to continue to use your products for many years to come."

Ranganathan Gopalakrishnan 
PhD Student 
University of Minnesota

 

"We have been using Nanopartz bare Au nanorods and bare Au nanospheres for studying their individual intrinsic photoemission properties in vacuum. We have been extremely pleased with their cleanliness and uniformity."

Andrej Grubisic, PhD
Postdoctoral Fellow at University of Colorado at Boulder - JILA



"We have looked at many different gold nanoparticles samples from Nanopartz including spheres, rods, and microrods using single particle spectroscopy techniques and are extremely happy with the quality of the samples and the service provided by Nanopartz."

Stephan Link, PhD
Assistant Professor of Chemistry
Rice University

 

SERS‐coded gold nanorods as a multifunctional platform for densely multiplexed near‐infrared imaging and photothermal heating

G von Maltzahn, A Centrone, JH Park… - Advanced …, 2009 - Wiley Online Library
... In this work, we show that the near-infrared plasmon resonance of gold nanorods (NRs) may
be exploited to provide an integrated platform for multiplexed Raman detection and
remote-controlled ... CTAB-coated gold NRs were purchased from Nanopartz with a peak ...

 

Computationally guided photothermal tumor therapy using long-circulating gold nanorodantennas

G von Maltzahn, JH Park, A Agrawal, NK Bandaru… - Cancer research, 2009 - AACR
... Computationally Guided Photothermal Tumor Therapy Using Long-Circulating Gold Nanorod
Antennas. ... camera, and Dr. Eugene Zubarev and Bishnu Khanal at Rice University for their
synthesis and characterization of CTAB-coated gold nanorods through Nanopartz...

 

Resolving rotational motions of nano-objects in engineered environments and live cells withgold nanorods and differential interference contrast microscopy

G Wang, W Sun, Y Luo, N Fang - Journal of the American …, 2010 - ACS Publications
... cetyl trimethylammonium bromide (CTAB)-capped (25 × 73 nm, 1.3 × 10 11 particles/mL,
Nanopartzgold nanorods... Briefly, excessive surfactant was first removed from 1.0 mL of gold
nanorod solution by ... a final thiol concentration of 0.2 mM and reacted with gold nanorods for 2 ...

 

Gold nanorods and their plasmonic properties

H Chen, L Shao, Q Li, J Wang - Chemical Society Reviews, 2013 - pubs.rsc.org
... been established as the commercial suppliers for high-quality Au nanorods, such as Nanopartz
59 and ... 4.2 Gold nanorod–semiconductor hybrid nanostructures. Integration of Au nanorods with
semiconducting materials is driven by the combination of multiple functionalities into ...

 

Noninvasive in vivo spectroscopic nanorod-contrast photoacoustic mapping of sentinel lymph nodes

KH Song, C Kim, K Maslov, LV Wang - European journal of radiology, 2009 - Elsevier
... Cover image Cover image. Noninvasive in vivo spectroscopic nanorod-contrast photoacoustic
mapping of sentinel lymph nodes. ... As lymph node tracers, gold nanorods (Nanopartz Inc.) were
injected on a left forepaw pad in the amount of 0.1 ml at a 979-pM concentration [16]. ...

 

Real-time imaging of cardiovascular dynamics and circulating gold nanorods with multispectral optoacoustic tomography

A Taruttis, E Herzog, D Razansky… - Optics express, 2010 - opticsinfobase.org
... with an absorption peak in the near-infrared (Ntracker 30-PM-780, Nanopartz Inc., Loveland ... For
gold nanorod measurements, mice were scanned at 5 excitation wavelengths (725 nm, 750 nm ...
200 μl of AuNR at a concentration of 13 nM (of the nanorods themselves, corresponds ...

 

Oriented Assembly of Gold Nanorods on the Single‐Particle Level

C Kuemin, L Nowack, L Bozano… - Advanced Functional …, 2012 - Wiley Online Library
... of Colloidal Suspensions: Colloidal suspensions of gold nanorods were purchased from
Nanopartz Inc. ... Colloidal suspensions of gold nanorods in 0.9 mM CTAB solutions were filtered
using Millex ... volume of supernatant removed, to adjust the concentration of the nanorods to c ...

 

One-photon plasmon luminescence and its application to correlation spectroscopy as a probe for rotational and translational dynamics of gold nanorods

A Tcherniak, S Dominguez-Medina… - The Journal of …, 2011 - ACS Publications
... For gold nanorods (AuNRs), it has been shown that scattering,(25, 26) absorption, (27 ...
measurement of the rotational and translational diffusion constants of gold NPs, we ... Nanoparticle
Characterization AuNSs and AuNRs were purchased from Nanopartz and characterized with ...

 

Geometry and surface characteristics of gold nanoparticles influence their biodistribution and uptake by macrophages

MM Janát-Amsbury, A Ray, CM Peterson… - European Journal of …, 2011 - Elsevier
... and 10 × 45 nm for gold nanorods as reported by the manufacturer (Nanopartz, Loveland, CO ...
uniform in size and shape, whereas there was 6% shape discrepancy for nanorods (See Table ...
shape while there were several non-rod-shaped particles in the gold nanorod samples. ...

 

Single-particle spectroscopy of gold nanorods beyond the quasi-static limit: varying the width at constant aspect ratio

LS Slaughter, WS Chang, P Swanglap… - The Journal of …, 2010 - ACS Publications
... medium for chemical sensing or probing the dynamics of biological molecules.(1-6) The
longitudinal SPR of gold nanorods (AuNRs) in ... model by: ε m = α − β 2 λ 2 , where α = 9.8 and
β = 7.3 μm −1 for gold... We thank Christian Schoen from Nanopartz for providing the slim AuNRs ...

 

The manufacturing method for these nanorods are based on multiple patents and proprietary methods. The results are unparalleled monodispersity, scalability, and most important repeatability.

We possess the technology for single nanometer tuning of both the transverse and longitudinal dimensions.

All of these "bare" particles are capped with ligands that are easily replaced with thiol and charge chemistries. We do not recommend using the carboxyl termination on our proprietary ligand as a conjugatable attachment.

  Nanopartz Nanorod Technology Other Technologies
Monodispersity High Low
Linewidths Narrow Broad
Wavelength shifting during storage None Large
High CTAB Concentrations (CTAB cloud) None Yes
SPR Wavelengths 550nm to 2100nm Yes 600-1000nm
Small and Large Axial Diameters (5nm and 70nm) Yes No

 

  • Diameters from 10nm to 50nm.
  • NIR SPRs for diameters greater than 10nm.
  • Wavelength accuracy better than 10 nm in many cases.
  • Size monodispersity better than 10% CV
  • Greater than 95% rods, less than 5% other shapes
  • Available in aspect ratios from 1.4 to 17.5, resulting in extinctions from 550 to 1400 nm.
  • CTAB concentration is reduced to < 10mM without adverse effects to the nanorods.
  • Negatively charged coatings also available.
  • Extremely stable. Shelf life is greater than one year.
  • High anisotropy.
  • High non-linear coefficients. Extremely efficient for frequency conversion.
  • Near IR absorptions four orders of magnitude larger than quantum dots in the visible. Photothermal cross sections that leads to highly efficient optical to heat conversion.

Example part number is A12-10-808-CTAB-DIH-1-25-CS-EP where:

A12 - Product family number for Nanopartz Gold Nanorods at OD=1, other option is AC12 which is concentrated at OD=100

10 - Diameter of the nanorods. Other choices are 5, 25, 40, 50 and 70nm

CIT - Capping ligand, in this case Citrate. Other choices are CTAB, PAA, PVP, PEI, PAH, PSS, BSA

DIH - Buffer, in this case 18MEG DI water. Other choices are PBS, MES, Sodium Borate, TRIS

1 - Optical Density, in this case OD=1, optional 100

25 - Volume (mL). Other choices are 1mL, 10mL,100mL, 500mL, 1L, 10L.

CS - Certified Sterilized - Though the product come sterilized, this option includes testing and certification.

EP - Endotoxin Purified - The product is endotoxin purified and certified.

How to Order

Ordering by scrolling down and selecting the options from the selection below.

 

Home » A- Unfunctionalized Nanoparticles » A12 Gold Nanorods
 Checkout
Nanopartz Gold Nanorods
Nanopartz Gold Nanorods
Part Number: A12
Options: -(DIAM-SPR)-(CAPPING AGENT)-(Buffer)-(OD)-(Volume)-CS-EP
Example part number for a 10nm diameter nanorod with a peak SPR of 808nm, citrate capping agent, in water, at 25mL, with sterilization certificate, no endotoxin purification would be: A12-10-808-CIT-DIH-1-25-CS
QUICK SPECS
Part # Diam (nm) Length (nm) Peak LSPR Wave (nm) Aspect Ratio Peak SPR Wave (nm) Nanorods /mL Wt. conc (ug/ml) Molarity (nM) Picomoles SPR Molar Ext. (M-1cm-1) LSPR Molar Ext. (M-1cm-1)

Peak SPR

(nm)

SPR

Line

width

80% (nm)

A12-5-808 5 21 808 4.2 510 4.78E+12 35 7.97 7.97E+00 1.25E+08 3.14E+07 794-829 100
A12-5-780 5 19 780 3.8 510 5.34E+12 35 8.89 8.89E+00 1.12E+08 2.81E+07 765-794 100
A12-5-700 5 15 700 3 510 6.94E+12 35 11.56 1.16E+01 8.65E+07 2.16E+07 675-725 100
                           
A12-10-2100 10 175 2100 17.5 510 1.35E+11 35 0.22 2.24E-01 4.46E+09 1.11E+09 1900-2300 300
A12-10-1400 10 102 1400 10.2 510 2.34E+11 35 0.39 3.89E-01 2.57E+09 6.42E+08 1300-1500 150
A12-10-1200 10 81 1200 8.1 510 2.96E+11 35 0.49 4.93E-01 2.03E+09 5.07E+08 1132-1300 150
A12-10-1064 10 67 1064 6.7 510 3.62E+11 35 0.6 6.03E-01 1.66E+09 4.15E+08 1022-1132 150
A12-10-980 10 59 980 5.9 510 4.19E+11 35 0.7 6.98E-01 1.43E+09 3.58E+08 965-1022 150
A12-10-950 10 55 950 5.5 510 4.44E+11 35 0.74 7.40E-01 1.35E+09 3.38E+08 925-965 150
A12-10-900 10 50 900 5 510 4.93E+11 35 0.82 8.22E-01 1.22E+09 3.04E+08 875-925 150
A12-10-850 10 45 850 4.5 510 5.55E+11 35 0.93 9.25E-01 1.08E+09 2.70E+08 829-875 100
A12-10-808 10 41 808 4.1 510 6.20E+11 35 1.03 1.03E+00 9.68E+08 2.42E+08 794-829 75
A12-10-780 10 38 780 3.8 510 6.73E+11 35 1.12 1.12E+00 8.92E+08 2.23E+08 765-794 65
A12-10-750 10 35 750 3.5 510 7.40E+11 35 1.23 1.23E+00 8.11E+08 2.03E+08 725-765 50
A12-10-700 10 29 700 2.9 510 8.88E+11 35 1.48 1.48E+00 6.76E+08 1.69E+08 675-725 40
A12-10-650 10 24 650 2.4 510 1.11E+12 35 1.85 1.85E+00 5.41E+08 1.35E+08 625-675 40
A12-10-600 10 19 600 1.9 510 1.48E+12 35 2.47 2.47E+00 4.05E+08 1.01E+08 575-625 40
                           
A12-25-1400 25 245 1400 9.8 514 2.23E+10 50 0.04 3.72E-02 2.69E+10 8.06E+09 1232-1500 150
A12-25-1064 25 137 1064 5.5 514 4.11E+10 50 0.07 6.85E-02 1.46E+10 4.38E+09 1022-1232 150
A12-25-980 25 119 980 4.8 514 4.78E+10 50 0.08 7.96E-02 1.26E+10 3.77E+09 965-1022 150
A12-25-950 25 102 950 4.1 514 5.64E+10 50 0.09 9.41E-02 1.06E+10 3.19E+09 925-965 150
A12-25-900 25 96 900 3.8 514 6.03E+10 50 0.1 1.00E-01 9.95E+09 2.99E+09 875-925 150
A12-25-850 25 93 850 3.7 514 6.24E+10 50 0.1 1.04E-01 9.61E+09 2.88E+09 829-875 150
A12-25-808 25 90 808 3.6 514 6.47E+10 50 0.11 1.08E-01 9.27E+09 2.78E+09 794-829 150
A12-25-780 25 87 780 3.5 514 6.72E+10 50 0.11 1.12E-01 8.93E+09 2.68E+09 765-794 150
A12-25-750 25 85 750 3.4 514 6.89E+10 50 0.11 1.15E-01 8.70E+09 2.61E+09 725-765 65
A12-25-700 25 75 700 3 514 7.93E+10 50 0.13 1.32E-01 7.57E+09 2.27E+09 675-725 60
A12-25-650 25 71 650 2.8 514 8.43E+10 50 0.14 1.41E-01 7.11E+09 2.13E+09 625-675 60
A12-25-600 25 57 600 2.3 514 1.09E+11 50 0.18 1.81E-01 5.52E+09 1.66E+09 575-625 60
A12-25-550 25 34 550 1.4 514 2.03E+11 50 0.34 3.38E-01 2.96E+09 8.87E+08 525-575 60
                           
A12-40-1064 40 208 850 5.2 520 1.06E+10 50 0.02 1.77E-02 5.66E+10 2.26E+10 1022-1232 150
A12-40-980 40 180 850 4.5 520 1.24E+10 50 0.02 2.06E-02 4.84E+10 1.94E+10 875-1022 150
A12-40-850 40 148 850 3.7 520 1.53E+10 50 0.03 2.56E-02 3.91E+10 1.57E+10 829-875 150
A12-40-808 40 134 808 3.4 520 1.71E+10 50 0.03 2.85E-02 3.51E+10 1.40E+10 794-829 150
A12-40-780 40 124 780 3.1 520 1.87E+10 50 0.03 3.11E-02 3.22E+10 1.29E+10 765-794 150
A12-40-750 40 112 750 2.8 520 2.09E+10 50 0.03 3.49E-02 2.87E+10 1.15E+10 725-765 150
A12-40-700 40 92 700 2.3 520 2.62E+10 50 0.04 4.37E-02 2.29E+10 9.14E+09 675-725 60
A12-40-650 40 80 650 2 520 3.10E+10 50 0.05 5.16E-02 1.94E+10 7.75E+09 625-675 60
A12-40-600 40 68 600 1.7 520 3.78E+10 50 0.06 6.30E-02 1.59E+10 6.35E+09 575-625 60
A12-40-550 40 60 550 1.5 520 4.42E+10 50 0.07 7.37E-02 1.36E+10 5.42E+09 525-575 60
                           
A12-50-1064 50 245 1064 4.9 530 5.79E+09 50 0.01 9.65E-03 1.04E+11 5.18E+10 980-1232 150
A12-50-800 50 145 808 2.9 530 1.03E+10 50 0.02 1.72E-02 5.83E+10 2.91E+10 750-850 150
A12-50-700 50 110 700 2.2 530 1.42E+10 50 0.02 2.36E-02 4.24E+10 2.12E+10 650-750 150
A12-50-600 50 100 600 2 530 1.59E+10 50 0.03 2.64E-02 3.78E+10 1.89E+10 550-650 150
                           
A12-70-750 70 120 750 1.7 540 6.97E+09 50 0.01 1.16E-02 8.60E+10 4.30E+10 700-800 150
A12-70-650 70 105 650 1.5 540 8.26E+09 50 0.01 1.38E-02 7.27E+10 3.63E+10 600-700 150
A12-70-550 70 91 550 1.3 540 9.96E+09 50 0.02 1.66E-02 6.02E+10 3.01E+10 500-600 150
                           
Sterilization Product comes sterilized. This option provides a complete post testing of sterilization along with a Certificate of Sterilization
CS (Certified Sterilized)
Endotoxin Product is Endotoxin purified and then tested for Endotoxin. An Endotoxin Certificate is provided.
EP (Endotoxin Purified and Certified)
Price: $150.00
Gold Nanorods 1mL KIT
Gold Nanorods 1mL KIT
Part# A12-KIT-(DIAM-SPR)-CTAB-1mL-DI Water; OD=1, Minimum Qty. 4, 1mL ea. in 18MEG DI Water; Enter Qty. for each size. Only for online orders.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Price: $0.00
Gold Nanorods 25mL KIT
Gold Nanorods 25mL KIT
Part# A12-KIT-(DIAM-SPR)-CTAB-25mL-DI Water; OD=1, Minimum Qty. 4, 25mL ea. in 18MEG DI Water; Enter Qty. for each size. Only for online orders.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Price: $0.00
Concentrated Gold Nanorods
Concentrated Gold Nanorods
Part# AC12-(Diam-SPR)-(Volume)-(Ligand)-(Buffer); OD=100, The 1mL volume is concentrated from 100mL of OD=1 solution.
 DIH (18MEG DD DI Water)
PBS (Phosphate Buffer Saline pH=7)
MES (pH=4.7)
SOBO (Sodium Borate pH=8.5)
TRIS (pH=7.2)
D2O
D2O
Sterilization Product comes sterilized. This option provides a complete post testing of sterilization along with a Certificate of Sterilization
CS (Certified Sterilized)
Endotoxin Product is Endotoxin purified and then tested for Endotoxin. An Endotoxin Certificate is provided.
EP (Endotoxin Purified and Certified)
Price: $600.00