SKU: 97956966665

Hollow mesoporous Fe3O4 nanoparticles

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Description

Hollow mesoporous Fe3O4 nanoparticlesProduct Name Name: Hollow mesoporous Fe3O4 nanoparticles Product Overview Hollow mesoporous Fe3O4 nanoparticles are a kind of nanomaterial with a special structure. It combines the characteristics of hollow structure and mesopores (mesoporosity refers to pores with a diameter between 2 50 nanometers). It is mainly composed of Fe3O4. Composed of iron (Fe3O4), its center is hollow. This structure can increase the specific surface area of the material,

Product Name

Name: Hollow mesoporous Fe3O4 nanoparticles

Product Overview

 

Hollow mesoporous Fe3O4 nanoparticles are a kind of nanomaterial with a special structure. It combines the characteristics of hollow structure and mesopores (mesoporosity refers to pores with a diameter between 2-50 nanometers). It is mainly composed of Fe3O4. Composed of iron (Fe3O4), its center is hollow. This structure can increase the specific surface area of the material, while reducing its weight and improving its application efficiency in fields such as catalysis and drug delivery.

Technical Parameter

Appearance:Black colloidal dispersion

Diameter:180-250 nm(TEM:/span>

Product Features

 

High specific surface area: The hollow mesoporous structure provides it with a high specific surface area, which is beneficial to improving catalytic activity and reaction efficiency.

Hollow structure: This structure not only reduces the weight of the material, but also increases its porosity, helping to improve the adsorption capacity of substances and its efficiency as a drug delivery system.

Magnetic properties: Fe3O4 nanoparticles are superparamagnetic and can be rapidly magnetized and demagnetized under the action of an external magnetic field without hysteresis. They are suitable for magnetic resonance imaging (MRI), magnetic hyperthermia therapy (MHT) and drug delivery.

Biocompatibility and biodegradability: Fe3O4 generally has good biocompatibility and biodegradability and is suitable for use in the biomedical field.


Application Fields

 

Cancer diagnosis and treatment:Fe3O4 nanoparticles can achieve magnetic resonance imaging (MRI), magnetic hyperthermia therapy (MHT) and drug delivery due to their inherent properties.

Medication Delivery:Hollow mesoporous ferric oxide nanoparticles can be used as drug carriers to achieve targeted release of drugs through an external magnetic field, reducing drug dosage and drug side effects, and improving therapeutic effects.

Magnetic hyperthermia:In an alternating magnetic field, Fe3O4 nanoparticles can generate heat and are used to treat cancer, that is, magnetic hyperthermia. The specific heat absorption rate (SAR) of Fe3O4 nanoparticles can be improved by adjusting the core size, adding ingredients, changing the shape and surface modification, thereby improving the magnetothermal treatment effect.

Environmental governance:Fe3O4 nanoparticles exhibit good adsorption performance, chemical stability, and easy separation and recovery in the field of wastewater treatment. For example, Fe3O4 hollow/helical fibers prepared by organic gel thermal decomposition method show excellent adsorption performance in water treatment.

Biosensor:Due to their high specific surface area and good biocompatibility, hollow mesoporous ferric oxide nanoparticles can be used in the construction of biosensors to improve detection sensitivity and specificity.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 97956966665

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4.4 ★★★★★
Based on 11 reviews
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Verified Purchase
Booksalottle
Fort Morgan, US
★★★★★ 4
Nothing Exceptional but Gets the Job Done
Color: Blue, Size: 4.3-Quart, Color: Blue, Size: 4.3-Quart
I’ve owned this 4.5 Qt. Amazon Enameled Cast Iron Dutch Oven for almost two months and have used it three times to date. Upon arrival and at first glance, the gradient blue color is beautiful and super glossy; most importantly, the pot is heavy for its size - as it should be. It looks exactly like the product pictures, with a globular shape than square shape as others. Unfortunately, I also noticed that there was one pin hole and two tiny uneven protrusions on the enamel inside the pot. I own three other enameled cast iron cookware from two other brands (photos attached for size comparison) and performance wise, this cast iron by Amazon performs equally to them. The pot isn’t exceptional or special but it gets the job done. Other than the pin holes and protrusions, I have no complaints. This isn’t my first rodeo so when heating up the pot and while cooking, I have zero issues. I am starting the pan off at 4-Stars and will update my review as time progresses, or if I have any major issues with its durability or performance in subsequent months. For the amateur home cook, or for anyone who is new to cast iron cooking, below I’ve included tips that you may find useful while using this or any other enameled cast iron cookware. ================================ Regarding the 3 Photos and 1 video I've Attached: (Note: all photos were taken with an iPhone under kitchen lights during the evening. Photos have not been edited nor enhanced.) Photo 1: Size comparison of this Amazon Enameled Cast Iron Dutch Oven compared to three other enameled cast iron cookware that I own from two other brands. From left to right: 7 qt. Tramontina, 4.5 qt. Amazon, 3 qt. Lodge 4 qt. Tramontina. Photos 2 and 3: fresh produce shown next to 4.5qt Amazon Dutch Oven for color and size contrast. Video: 4.5 qt. Amazon Enameled Cast Iron Dutch Oven on gas stove over medium heat, with food cooking. ================================ TIPS THAT YOU MAY FIND USEFUL While Using your cast iron dutch oven: (Note: I included these similar tips in my review of a different enameled cast iron pot from a different brand. My tips can apply to all enameled cast iron cookware) 1. If you find that you have issues with food sticking, it could be that you are not heating up your cast iron pot properly to prevent undue hot spots. I heat my pot up gradually starting at low, then medium, then high heat. After my pot is very hot is when I add my fat/cooking oil. As the oil is heating up in the pot, I lift it and swirl the oil around to coat all sides of the pot that will come in contact with food. 2. Take into consideration the temperature of the items you are adding to your heated pot. As a general rule for cooking: when ever possible, ensure that the items you are adding to a hot pot are at room temperature, rather than ice cold from the fridge; this will assist with even cooking. 3. Also, get comfortable with adjusting your heat by lowering and raising it based on what you’ve added to the pot. In general, you will need more heat at the beginning of the cooking process, and less heat towards the end. If you cook by recipe, I highly recommend that you read all the steps ahead before starting, so that you become familiarized with all the procedures, allowing you to maneuver accordingly when you start cooking. 4. At the exception of searing meat to achieve a brown crust, deep frying, or when caramelizing onions, you should be stirring your pot (I recommend using a wooden spoon) every few minutes when cooking in cast iron that is placed over high heat. If you are braising on the stove at low heat versus braising in the oven, the frequency of your stirring will need to be adjusted. No matter how you’re cooking though, a watchful eye on the pot plus stirring, should both be a habit not an afterthought. 5. For all cooking vessels in general but especially for cast iron: after cooking, allow your pot to cool down completely before cleaning. NEVER immerse a hot cast iron pot into cold water, nor pour cold dish water into hot pot. You risk not only being scald by dangerous steam, but you also risk weakening the enamel, therefore lessening the durability of your pots over time. 6. This cookware and others like it from Tramontina and Lodge are economical and if used correctly, will perform well for most cooking; if used correctly, they should also last for years. Nonetheless, if you can afford it, authentic enameled cast iron cookware made in France by Le Creuset is the best way to go. Le Creuset is the gold standard in cast iron cookware and their quality is second to none. I definitely recommend this Amazon dutch oven but if you can afford to splurge, Le Creuset's reputation is stellar. As a professional chef, I've used them in high end kitchens and their quality and performance is premier.
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Reviewed in the United States on July 2, 2018
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Verified Purchase
Nicholas Wilson
Battle Creek, US
★★★★★ 5
Nice BIG enameled cast iron dutch oven. like LeCreuset but costs less
Color: Blue, Size: 6-Quart
This is nice quality, similar to the far more costly French LeCreuset brand. I was surprised how big this model is, possibly too big for my small kitchen and limited storage space. I store it in the oven. It would be great for baking sourdough boule bread.
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Reviewed in the United States on May 13, 2026
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Verified Purchase
JoiceMaynard
Cuba, US
★★★★★ 5
Enamel finish
Color: Matte Navy, Size: 6-Quart
This is an amazing pot, got the 6 Qt for beautiful roast dinners and for baking bread. All comes out evenly baked. Cast Iron is best and it has a nice finish for easy clean up.
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Reviewed in the United States on April 24, 2026
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Verified Purchase
T. J. MCNEILL
Cuba, US
★★★★★ 5
Great Cookware Best purchase
Color: Blue, Size: 6-Quart
I purchased mine back in 2021 and I absolutely love it, cooks the best stew ever easy wash and cleanup. Also great for deep frying
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Reviewed in the United States on June 6, 2026
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Verified Purchase
Firebabe
Bozeman, US
★★★★★ 5
Great quality. Easy to clean. Nice appearance.
Color: Red, Size: 4.3-Quart
Solid, heavy pot for cooking and baking. I bought it mainly for making soups, stews and breads. I have only tried soups thus far. The pot cleaned up very easily. The bottom of the pot heated uniformly. Nothing was stuck to the pot when I was simmering on the glass top stove. I have not had the chance to bake yet, but seeing how evenly it held heat while cooking, I am thinking this will be perfect. I bought the red color. It gives a nice pop of color in my kitchen. This pot will probably last me a long time. I would buy one if I needed a replacement, or a gift for someone.
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Reviewed in the United States on November 29, 2025

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