SKU: 14696310138

DMSA coated Fe3O4 nanoparticles (High-temperature Pyrolysis Method)

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Description

DMSA coated Fe3O4 nanoparticles (High-temperature Pyrolysis Method)Product Name DMSA coated Fe3O4 nanoparticles (High temperature Pyrolysis Method) Product Overview Carboxylated Fe3O4 nanoparticles (high temperature pyrolysis method) are obtained by modifying DMSA with XFJ67 to obtain carboxyl groups, converting oil soluble nanoparticles into water soluble nanoparticles, which are more suitable for applications in the biological field. Technical Parameter Form: Brown black clear water colloid Fe concentration: about

Product Name

DMSA coated Fe3O4 nanoparticles (High-temperature Pyrolysis Method)


Product Overview

Carboxylated Fe3O4 nanoparticles (high-temperature pyrolysis method) are obtained by modifying DMSA with XFJ67 to obtain carboxyl groups, converting oil soluble nanoparticles into water-soluble nanoparticles, which are more suitable for applications in the biological field.


Technical Parameter

 

Form: Brown black clear water colloid

Fe concentration: about 4 mg/mL

Particle diameter:~5, 10, 20, 30, 50 nm (TEM) optional

Note: There are slight fluctuations in diameter and concentration between batches.

Note: Magnetic separation columns are required to achieve magnetic separation below 10nm

20nm can be separated by long-term magnetic attraction (the effect is not good, please use a magnetic separation column for complete separation)

Directly magnetically attracted above 30nm

50nm is prone to precipitation and requires ultrasonic treatment before use.


Product Features

High surface negative charge: DMSA molecules form stable covalent bonds with the surface of Fe3O4 nanoparticles through their thiol groups, forming a thick molecular coating layer that imparts high surface negative charge to the nanoparticles.

Hydrophilicity: Fe3O4 nanoparticles modified with DMSA have good hydrophilicity and can maintain stability over a wide pH range.

Stability and dispersibility: DMSA modified Fe3O4 nanoparticles exhibit good dispersibility and stability, making them suitable for biomedical applications.

Can be used for biomolecule coupling: Due to the carboxyl groups on the surface, DMSA modified Fe3O4 nanoparticles can be used for biomolecule coupling and fixation, constructing nanoprobes.


Application Fields

Biomedical applications: Fe3O4 nanoparticles modified with DMSA can serve as drug carriers for targeted drug delivery and contrast enhancement in magnetic resonance imaging (MRI) due to their excellent biocompatibility and stability.

Magnetic hyperthermia (MHT): Under the action of an external alternating magnetic field, these nanoparticles can convert magnetic energy into thermal energy, which is used for magnetic hyperthermia treatment of tumors.

Gene therapy: DMSA modified Fe3O4 nanoparticles can be used as gene carriers for gene transfection and gene therapy.

Materials Science: In composite materials, Fe3O4 nanoparticles modified with DMSA can enhance the magnetic properties of the material, which can be used for the development of smart materials and sensors.

Biomolecular coupling: The carboxyl groups on the surface of Fe3O4 nanoparticles modified with DMSA can be used for the coupling of biomolecules, constructing nanoprobes for biological detection and analysis


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 14696310138

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Sheila Lati
Massapequa, US
★★★★★ 5
So far so good
Color: Aqua
For the past 2 years I’ve been looking for an interactive ball our dog won’t break within days. I appreciate that it’s all foam, without any ropes or plastic pieces he can chomp on. I don’t let him use it as a chew toy but after catching it he does like to chew on it for a little bit, and it’s held up nicely after a month. Would recommend
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Reviewed in the United States on January 7, 2026
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Robert
Lowell, US
★★★★★ 2
if vibration excites your dog then it's okay
Color: Aqua
They're okay bit just basically vibrate. Was hoping they would roll around and their own but just really vibrate so my dogs didn't get much from it.
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Reviewed in the United States on November 29, 2025
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The Shabby Queen
Massapequa, US
★★★★★ 4
Please make a smaller one!! LOVE 💕
Color: Aqua, Color: Aqua
Giving a 4 star only because ….you dont have a smaller one!! My dog loves these!!! PLEASE PLEASE PLEASE!!! Make a smaller one!!!….. Just like this one!!!!!! Made very well!!
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Reviewed in the United States on January 4, 2026
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Andrea
Boise, US
★★★★★ 5
Ball
Color: Aqua
Love it. My golden doesn’t like when it runs by itself but shepherds loves it
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Reviewed in the United States on October 25, 2025
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Heston Killip
Belleville, US
★★★★★ 3
Not all it’s cracked up to be.
Color: Aqua
Doesn’t really bounce all that much. Doesn’t really stay on either. My dobe could care less about it.
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Reviewed in the United States on January 5, 2026

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