Non-Functionalized Colloidal Silica Nanospheres
 

  • Highly Monodisperse, CV< 3% for all sizes from 20 nm - 20 um.

  • Solid nanospheres by default with hollow core option available.

  • Roundness > 0.980, Density: 1.8 - 2.2 g/cm^3.

  • Sodium azide can be added as an antimicrobial agent upon request.

  • Prepared by the sol-gel process based on the Stöber method. 

  • Surface chemistry: Hydroxyl-terminated (-OH) for hydrophilic.

  • Provided in Milli-Q water at difference concentrations 10 - 300 mg/ml (i.e. 1 - 30 % w/v) for non-functionalized colloidal silica nanospheres.

  • Lifetime: At least 2 years from the date of product delivery.

  • These silicon dioxide nanoparticles can be easily surface-functionalized via chemical bond formation.

  •  Our analytical-grade non-functionalized silica nanospheres can be widely utilized for scientific applications. For instance, 100 nm silicon dioxide (silica) nanoparticles have been frequently used for aggregation tests and colloidal behavior studies, and 1 μm non-functionalized silica nanoparticles are suitable for chemical deposition and other biomedical applications. Silica nanoparticles with an ultra-narrow size distribution are also frequently used as a size standard for many applications.

  • These silica nanospheres are ultra-stable in aqueous solutions at room temperature and can be easily adapted to common biological buffers like phosphate-buffered saline (PBS) or organic solvents like ethanol via repeated centrifugation and resuspension.

Safety Data Sheets

Transmission/Scanning Electron Micrographs​

20 nm

Alpha Nanotech Silica Nanoparticles 20nm
Alpha Nanotech Silica Nanoparticles 20nm

50 nm

Alpha Nanotech Silica Nanoparticles
Alpha Nanotech Silica Nanoparticles

50 nm

Alpha Nanotech Silica Nanoparticles 50nm
Alpha Nanotech Silica Nanoparticles 50nm

120 nm

120 nm

Silica Nanoparticles 120 nm
Alpha Nanotech Silica Nanoparticles 120nm
Silica Nanoparticles 120 nm
Silica Nanoparticles 120nm

140 nm

Silica Nanoparticles 140nm
Alpha Nanotech Silica Nanoparticles 140nm

160 nm

Alpha Nanotech Silica Nanoparticles 160nm
Alpha Nanotech Silica Nanoparticles 160nm

180 nm

Alpha Nanotech Silica Nanoparticles 180nm
Alpha Nanotech Silica Nanoparticles 180nm

200 nm

200 nm

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Alpha Nanotech Silica Nanoparticles 200nm
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Alpha Nanotech Silica Nanoparticles 200nm

300 nm

300 nm

Silica Nanoparticles 300 nm
Alpha Nanotech Silica Nanoparticles 300nm
Silica Nanoparticles 300 nm
Alpha Nanotech Silica Nanoparticles 300nm

400 nm

Alpha Nanotech Silica Nanoparticles 400nm
Alpha Nanotech Silica Nanoparticles 400nm

500 nm

Alpha Nanotech Silica Nanoparticles 500nm
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1000 nm

Alpha Nanotech Silica Nanoparticles 1000nm
Alpha Nanotech Silica Nanoparticles 1000nm

5 μm

Alpha Nanotech Silica Microspheres 5 um
Alpha Nanotech Silica Microspheres 5 um

10 μm

Alpha Nanotech Silica Microspheres 10 um
Alpha Nanotech Silica Microspheres 10 um

20 μm

Alpha Nanotech Silica Microspheres 20 um
Alpha Nanotech Silica Microspheres 20 um

Scanning Transmission Electron Micrographs​

Alpha Nanotech Silica Nanoparticles
Alpha Nanotech Silica Nanoparticles

Fourier-transform infrared spectroscopy (FTIR) Results

(Raw data available upon request)

Alpha Nanotech Silica Nanoparticles

Zeta Potential Measurement Results

(Raw data available upon request)

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UV-Vis Spectra

(Raw data available upon request)

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After several years of research and development, our synthesis of monodisperse silica nanoparticles has become a mature technology that enables us to precisely controls the particle size from batch to batch. Characterizations have been carried out using various precision instruments such as high-resolution transmission electron microscopy, field emission scanning electron microscopy, particle size analyzer, and ultraviolet–visiblespectroscopy. The series of monodisperse particles have high sphericity, strictly monodisperse particle size, small coefficient of variation and stable physical and chemical properties. Our silica nanoparticles have a nearly perfect sphericity and an extremely narrow particle size distribution. The nanoparticles with a CV value of 3.0%  have extremely stable physicochemical properties, are easy to store, and have good stability. The surface of these spheres is rich in hydroxyl functional groups and is easy to functionalize. Applications of our silica nanoparticles include research and preparation of photonic crystals, synthesis of ordered structural materials, biomedical testing, catalytic carriers, high performance polymer additives, polymer nanocomposite fillers, preparation of advanced ceramics, chemical mechanical polishing.

Our Non-Functional Solid Silica Nanospheres

(Prices below are in Canadian Dollars)

20 nm

30 nm

50 nm

100 nm

120 nm

140 nm

160 nm

200 nm

300 nm

400 nm

500 nm

1 μm

5 μm

10 μm

20 μm

10 ml

at 10 mg/ml

$ 95

$ 95
 

$ 95

$ 95

$ 95

$ 95

$ 95

$ 85

$ 85

$ 85

$ 85

$ 85

$ 95

$ 95

$ 95

20 ml

at 10 mg/ml

$ 150

$ 150

$ 150

$ 150

$ 150

$ 150

$ 150

$ 135

$ 135

$ 135

$ 135

$ 135

$ 150

$ 150

$ 150

10 ml

at 50 mg/ml

$ 280

$ 280

280

$ 280

$ 280

$ 280

$ 280

 

$ 250

 

$ 250

$ 250

$ 250

$ 250

$ 280

$ 280

$ 280

20 ml

at 50 mg/ml

$ 480

$ 480

$ 480

$ 480

$ 480

$ 480

$ 480

$ 400

$ 400

$ 400

$ 400

 

$ 400

 

$ 480

 

$ 480

 

$ 480

Daily Exchange Rates

(Daily updated)

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Our Non-Functional Hollow Silica Nanospheres

(Prices below are in Canadian Dollars)

200 nm

100 mg

$ 320

200 mg

$ 520

500 mg

$ 750

1000 mg

$ 1,200

Notes:
 

1. SDS (Material Safety Data Sheet) and COA (Certificate of Analysis) are included for every purchase. 

2. The prices listed above are in Canadian Dollars (CND$), and please refer to the above exchange box for the most current daily exchange rates.

3. We accept both online purchases at our online store or Amazon stores and invoiced orders (Net 30 Terms). In-stock items will be dispatched within 1-3 business days. The lead time for customized orders is typically within 10 business days and will be evaluated on a case-by-case basis.

 

4. Shipping Locations for our clients are listed below.
 

Orders destined for the United States will be shipped from one of the two US offices below.

Unit 390, 701 Harrison Ave, Blaine, WA 98230 US

Unit 4, 2045 Niagara Falls Blvd, Niagara Falls, NY 14304 US
 

Orders destined for the UK will be shipped from our UK office.

Office 24743, Courier Point, 13 Freeland Park, Wareham Road, Poole, Dorset, BH16 6FH, UK

Orders destined for Europe will be shipped from our EU office.
Allée Primavera 78, Annecy, Pringy, 74370, France


Orders destined for Canada and other International destinations will be shipped from our Canadian headquarters.
135 - 3800 Wesbrook Mall, University of British Columbia Campus, Vancouver, BC, V6S2L9, Canada


No duties or any additional taxes for the orders delivered to Canadian, US, UK, and EU addresses, regardless of the sales channel. For other International shipping addresses, recipients are responsible for local duties and taxes.

 

5. Free exchanges or full refunds will be offered within 30 days after the order fulfillment without any questions asked if the ordered items fail to meet customer expectations.