SKU: 19752866228

Poreless polydopamine nanoparticles(powder)

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Description

Poreless polydopamine nanoparticles(powder)Product Name Name: Poreless polydopamine nanoparticlespowder: span> Product Overview Polydopamine nanoparticles (PDA NPs) are nanoscale materials formed by the self polymerization of dopamine monomers under specific conditions. Its structural characteristics lie in its polyphenolic structure, with a surface rich in functional groups such as amino and phenolic hydroxyl groups, which provide abundant chemical modification sites for it. Technical

Product Name

Name: Poreless polydopamine nanoparticles(powder:/span>

Product Overview

 

Polydopamine nanoparticles (PDA NPs) are nanoscale materials formed by the self polymerization of dopamine monomers under specific conditions. Its structural characteristics lie in its polyphenolic structure, with a surface rich in functional groups such as amino and phenolic hydroxyl groups, which provide abundant chemical modification sites for it.


Technical Parameter

Diameter:140-250nmãâ‚?00-450nm(TEM:/span>

Appearance:Black powder

 

Product Features

Good biocompatibility: Due to its unique adhesion and biodegradability, PDA nanoparticles can enter a large number of types of cells and exhibit good biocompatibility in biomedical applications.

Excellent photothermal conversion efficiency: PDA nanoparticles have strong absorption in the near-infrared region, which can quickly convert light energy into heat energy for photothermal therapy.

Powerful antioxidant capacity: Some PDA nanoparticles themselves have the function of eliminating reactive oxygen species (ROS) and reducing oxidative stress levels, playing a unique advantage in the treatment of periodontitis.

Efficient drug delivery: Due to its good adhesion and biocompatibility, PDA nanoparticles are widely used as drug carriers, which can effectively encapsulate and deliver drugs.

Antibacterial performance: Combined with antimicrobial peptides (AMP), PDA nanoparticles can be designed as stimulus responsive antibacterial platforms for antibacterial therapy.


Application Fields

 

 

Neuroprotection and Remote Neuronal Stimulation: As an organic and biodegradable multitasking tool, PDA nanoparticles have significant applications in neuroprotection and remote neuronal stimulation.

Periodontal disease treatment: The antioxidant properties of PDA nanoparticles in periodontal disease make them an effective treatment option.

Tumor treatment: PDA nanoparticles can be used as delivery carriers for chemotherapy drugs and immune agonists, enhancing anti-tumor immune responses. In addition, they can also be used for photothermal therapy to rapidly kill cancer cells.

Antibacterial therapy: A multifunctional and stimulus responsive antibacterial platform was constructed by combining PDA nanoparticles with antimicrobial peptides for antibacterial therapy.

Rheumatoid arthritis treatment: PDA nanoparticles can effectively treat rheumatoid arthritis by inhibiting the STING pathway.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 19752866228

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4.3 ★★★★★
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Robyn Elam
Carnegie, US
★★★★★ 5
The best safe, chew toy that offers variety and a challenge to keep your dog occupied.
Size: Medium, Style: Bristle Bone
My 60-lb, male Golden Retriever LOVES this bone. My first mistake was I put it together too tight; second mistake I loosened it too much and he had it pulled apart in no time. Now, it's just right. He wasn't sure about it, honestly, for about 5 hours. He is a chewer, he gets bored quickly, he's such a great dog I wanted him to have something indestructible, safe, and allow him different types of chewing in one toy. OH MY GOODNESS! This toy checks all the boxes. I did think I bought a Large; turned out to be a medium which is really perfect, for 50 to 90 lb dogs. And what came with this purchases was a bag of the treat rings. So glad I did! Finding the right chew toy to occupy this adorable boy has been a challenge. PetSafe, you met the challenge! Thank you so much!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2025
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Mary
Bozeman, US
★★★★★ 5
Great to stop Doggie boredom/barking
Size: Extra Small, Style: Bristle Bone
For tiny dogs, these are great ways to entertain the pups and get them to clean their own teeth; I have had one for 5 years and the dogs never were able to harm the white parts. I gave it to a pup that was homeless and I didn't have the heart to take it back later - It is quiet as a mouse and fits perfectly in tiny dog mouths. You do have to have their raw hide inserts but they're easy to find, not expensive, and again is great for boredom time for the dogs.
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Reviewed in the United States on June 9, 2026
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Verified Purchase
Jessica Clapp
Natrona Heights, US
★★★★★ 4
Favorite chew toy
Size: Medium, Style: Bristle Bone
Pros: this is our dog’s favorite toy. She loves to eat but isn’t much for chewing. At 2 years old, her teeth were already looking pretty bad because she swallows everything whole. That makes most chew toys dangerous. This is the first toy that she chews aggressively. At first we had to give it to her in short spurts because her gums bled. That’s stopped, her teeth and gums look healthier, and she carries it around with or without the inserts. She loves it. The con: the bristles come apart after aggressive chewing. She swallowed some and I caught the other side coming off. So whenever I see this on sale, I buy several new ones. I don’t try to make it last and I check it often for damage.
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Reviewed in the United States on May 17, 2026
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Verified Purchase
Allen Serdikoff
Massapequa, US
★★★★★ 5
Great Product
Size: Medium, Style: Jack
Great product. Kept our chewer busy for a long time
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Reviewed in the United States on June 3, 2026
A
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Amazon Customer
Louisville, US
★★★★★ 3
Dog treat and chew bine
Size: Medium, Style: Bouncy Bone
This was an ok purchase for my little dog. After eating the treats. She definitely liked this treat. She is 2 years old and loves her treats. Disappointed, in that it does not last as long as they said it would.
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Reviewed in the United States on May 10, 2026

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