SKU: 39036122708

Fe3O4@SiO2 nanoparticle (powder)

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Description

Fe3O4@SiO2 nanoparticle (powder)Product Name Fe3O4@SiO2 nanoparticle Product Overview Silica coated magnetic nanoparticles are a composite material consisting of a core of the magnetic material tri iron tetraoxide (Fe3O4) and a shell of silicon dioxide (SiO2). The silica coated magnetic nanoparticles are biocompatible and protect the biological activity of biological enzymes, DNA, and other biologically active substances, and can be used as a carrier for the controlled release of

Product Name

Fe3O4@SiO2 nanoparticle

Product Overview

Silica-coated magnetic nanoparticles are a composite material consisting of a core of the magnetic material tri-iron tetraoxide (Fe3O4) and a shell of silicon dioxide (SiO2). The silica-coated magnetic nanoparticles are biocompatible and protect the biological activity of biological enzymes, DNA, and other biologically active substances, and can be used as a carrier for the controlled release of these substances to enable targeted therapy of drugs. Due to their many unique physical and chemical properties, core-shell structured nanomaterials have potential applications in superhydrophobic surface coatings, chemistry, magnetism, electricity, optics, biomedicine and other fields. In addition to this, CDF can also provide core-shell structures such as magnetic iron tetraoxide encapsulated in mesoporous silicon, gold-in-silicon, silver-in-silicon, gold-in-magnetism, and gold-in-silver.

Technical Parameter

Inner core diameter:50-500nm（TEM:/span>

Particle diameter:00-600nm（TEM:/span>

Product Features

Biocompatibility: The silica shell provides good biocompatibility, reducing the potential toxicity of the particles to the organism. 

Stability: The silica shell protects the inner core from oxidation and corrosion, increasing the stability of the particles in the organism. 

Easy functionalisation: the abundance of silica hydroxyl groups (Si-OH) on the surface of silica provides easy surface modification of the particles, which can be chemically linked to drugs, fluorescent markers, targeting ligands, etc. 

Good dispersibility: the silica shell helps to improve the dispersibility of the particles in aqueous and organic solvents and reduce agglomeration. 

Multifunctionality: different functional molecules can be combined to achieve a variety of biomedical functions, such as drug delivery, imaging, and therapy.

Application Fields

Targeted drug delivery: the silicon-coated magnetic nanoparticles can be used as a drug carrier, through the positioning of the external magnetic field, the drug will be delivered directly to the lesion site, to achieve targeted drug delivery, especially suitable for the diagnosis and treatment of specific types of cancer . 

Magnetothermal therapy: Using the heat generated by the silicon-coated magnetic nanoparticles inside the tumour cells, the heat generated by the external magnetic field can kill the tumour cells, which is a method of treating cancer in addition to surgery, chemotherapy and radiotherapy.

Magnetic Resonance Imaging (MRI) contrast agent: Due to their superparamagnetic properties, Si-encapsulated magnetic nanoparticles can be used as contrast enhancers for MRI, improving the clarity and contrast of the image.

Separation and enrichment of biomolecules: Si-encapsulated magnetic nanoparticles can be used for rapid separation and enrichment of specific molecules in biological samples, such as in proteomics research.

Biosensing: The magnetic properties of Si-encapsulated magnetic nanoparticles allow the development of novel biosensors for the detection of biomolecular interactions. 

Tissue engineering: Si-encapsulated magnetic nanoparticles can be used as bone tissue regeneration materials to promote osteogenic differentiation for tissue engineering research.

Related Information

Please e-mail for the detailed characterization data.Email:[email protected]

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SKU: 39036122708

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4.8 ★★★★★
Based on 9 reviews
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Verified Purchase
Toyfreek
Birmingham, US
★★★★★ 2
Strong well made but ..
Color: Gold
Coring tool broke as soon as I tried to loosen the top. As far as a tube goes it is great. Seals tight, solid Aluminum throughout. You could throw this off a tall building and it would be fine afterwards.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
H
HECTOR R BRITO
Carnegie, US
★★★★★ 5
I love this thing!
I can't overstate how much I love this thing! As someone who enjoys a good cigar on the go, I've tried various single cigar cases, but this one is in a league of its own. First, the build quality is outstanding. The aluminum alloy feels incredibly solid and durable in your hand. It's clear this was made to last. I have no doubt that my cigar is perfectly protected from being crushed or damaged when it's in this thing. The convenience factor is a 10/10. It’s sleek, compact, and makes carrying a single cigar effortless. But it's the brilliant integration of accessories that, for me, truly sets it apart. Having a sharp, reliable punch built right in is fantastic. The built-in hygrometer gives me total peace of mind that my cigar is staying perfectly fresh, and the clever design that allows the top to double as a cigar holder is just plain genius. This tube is the perfect, all-in-one solution for any cigar aficionado who travels or simply likes to be prepared. I'd recommend it to anyone without a moment's hesitation. Five stars all the way!
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Reviewed in the United States on August 28, 2025
A
Arnaud V.
Alexandria, US
★★★★★ 5
Nice light saber handle with some room for a cigar lol
I'll go straight to the point: this cigar tube is great! I really like the material, it's made of thick aluminium and it's design is both classy and nerdy at the same time, it looks like a jedi light saber handle lol The hygrometer seems to be accurate, close to my other ones, it's a nice extra functionality. The size of the tube is big enough for my largest cigars, so all good here. I recommend it, either as a gift to yourself (because you deserve it!), or father's day, or any good occasion!
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Reviewed in the United States on August 20, 2025
A
Alissa M.
Lake Worth, US
★★★★★ 4
does the job!
I bought the DXXULL 4-in-1 Cigar Tube as a gift for my husband, and overall, it’s been a solid choice. He travels often and enjoys cigars, so this compact, all-in-one tube really suits his lifestyle. The aluminum alloy feels sturdy and well-made, and the built-in cigar punch, hygrometer, and holder add a nice touch of convenience. It’s sleek and functional—he’s used it several times already without any issues. While I do think it’s a bit overpriced for its size, the quality and thoughtful design make up for it. If you’re looking for a practical, stylish gift for a cigar lover, this tube does the job well.
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Reviewed in the United States on October 30, 2025
O
Optimus Prime
Houston, US
★★★★★ 3
won't fit Churchill length or 60-ring diameter cigars
Color: Gold, Color: Gold
This is a good-looking device, solidly built, with a handy twist-out punch in the top and a humidity gauge in the bottom. The hygrometer is pointless, because there is no way to add anything to actually maintain the humidity, and since I would only use it to bring a cigar to a gathering, it really does not need to maintain that humidity for the 20-minute drive. What really bugs me about this is the actual useable size. I primarily smoke 2 types of cigars, 54-ring Churchills (which are 7") and 60-ring Gorditos (which are 6"). Although the overall length of this is 8 1/4", the listing never mentions the interior space, which seems to be just under 6 1/2" when closed. My Montecristo sticks out about 1/4" when I insert it, and that does not take into account the 1/4" that the top pushes into when closed (that silver-colored area is solid), thus less than 6 1/2" useable length. Even out of the wrapper, my 60-ring Gorditos sticks when I try to push it in, so I'd have to take off the band(s) to force it in, and it would not slide out very easily, so I would mangle the cigar trying to get it out. So, this can hold a cigar that is 6" or less and maybe 54-ring without the wrapper. Anything else, and you would have to force it in and force it out. So, this unit, while very good looking and well built, does not work for my cigar needs.
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Reviewed in the United States on June 13, 2025

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