Hydroxy Graphene quantum dots
SKU: 28956531406

Hydroxy Graphene quantum dots

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Description

Hydroxy Graphene quantum dotsProduct Name Name: Carboxyl Graphene quantum dots Product Overview Graphene quantum dots (GQDs) are nanoscale fragments of graphene with unique physical and chemical properties, such as quantum size effects, edge effects, etc. By specific synthesis methods, the size, shape, and luminescent properties of GQDs can be controlled. At present, Xianfeng Nano's available quantum dots are divided into graphene oxide quantum dots, graphene quantum dots,

Product Name

Name: Carboxyl Graphene quantum dots

Product Overview

Graphene quantum dots (GQDs) are nanoscale fragments of graphene with unique physical and chemical properties, such as quantum size effects, edge effects, etc. By specific synthesis methods, the size, shape, and luminescent properties of GQDs can be controlled. At present, Xianfeng Nano's available quantum dots are divided into graphene oxide quantum dots, graphene quantum dots, semiconductor quantum dots, etc. Customers can choose according to their experimental needs. The preparation methods of graphene quantum dots on sale are divided into bottom-up and top-down, with different colors of luminescence available, such as green light, blue light, red light, and white light. Meanwhile, graphene quantum dots with different functional groups can be selected, which is also helpful for later modification coupling. In addition, nitrogen doped and boron doped graphene quantum dots can be selected. At present, the applications of graphene quantum dots are mostly focused on fluorescence imaging, nanoadditives, antibacterial, and biotoxicity.

Technical Parameter

Form: Colorless solution

Purity:~80%

Concentration: 1mg/ml

Synthesis method: Organic synthesis, solution is acidic

Solvent: Water

Product Features

Uniform size: The size of hydroxylated graphene quantum dots is usually between 1-10 nanometers, and their distribution is relatively uniform, which provides a basis for their application at the nanoscale.

High dispersibility: Due to the abundant hydroxyl functional groups on the surface, hydroxyl functionalized graphene quantum dots exhibit good dispersibility in aqueous solutions and other solvents.

Rich reactive sites: Hydroxyl functional groups provide abundant reactive sites for hydroxylated graphene quantum dots, making them easy to connect or modify with other molecules or materials through chemical reactions.

Excellent optical properties: Hydroxyfossilized graphene quantum dots have efficient fluorescence properties, high fluorescence intensity, and long fluorescence lifetime, which makes them potentially valuable in fields such as biological imaging.

Good stability: Hydroxyfossilized graphene quantum dots exhibit excellent stability in extreme environments such as high temperature, acidity, and alkalinity.


Application Fields

 

Biomedical science:

Biological imaging: The high fluorescence intensity and long lifetime of hydroxylated graphene quantum dots make them a powerful tool for biological imaging, which can be used for cell imaging, tissue imaging, and more.

Drug delivery: The hydroxyl functional groups on its surface can bind with biomolecules to achieve targeted drug delivery, improve therapeutic efficacy, and reduce side effects.

Biosensing: Hydroxyfossilized graphene quantum dots can be used to monitor the interactions of biomolecules and dynamic processes within cells through mechanisms such as fluorescence resonance energy transfer.

Energy sector:

Solar cells: Hydroxygraphene quantum dots are used as one of the key materials for solar cells due to their excellent electronic transport properties and chemical stability.

Fuel cell: In fuel cells, hydroxylated graphene quantum dots can serve as catalyst carriers or electrode materials to improve the performance and stability of fuel cells.

Lithium ion batteries: Their unique two-dimensional structure and large specific surface area contribute to improving the energy density and cycling stability of lithium-ion batteries.

Environmental Science:

Water treatment: Hydroxyfossilized graphene quantum dots can be used to remove pollutants and heavy metal ions from water, achieving water purification.

Air purification: In the field of air purification, hydroxylated graphene quantum dots have also shown potential application value.

Materials Science:

As a catalyst carrier, hydroxylated graphene quantum dots can serve as carriers for various catalysts, enhancing their activity and stability.

Composite material preparation: By combining with other materials, new materials with special properties can be prepared.

Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 28956531406

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Clare Quilty
Port Orchard, US
★★★★★ 5
A stark, brutish "Petulia" with a pistol in its pocket
It's about time this movie got released on DVD. It's odd that a film could spawn a remake ("Payback"), a glib nod ("Grosse Pointe Blank") and countless homages ("The Limey," among others) and still be as underseen as "Point Blank." The lack of a disc certainly didn't help its low profile, but of course this is a challenging, idiosyncratic movie, even three decades later. The plot is simple -- a crook is betrayed by his wife and partner and spends the rest of the movie trying to get what he's owed -- but the editing and narrative structure is unusual. What in the world did audiences possibly make of this back when it was first released? It's a remarkable film, as startling and innovative as Richard Lester's "Petulia," although admittedly it's thematically much less complex. This edition is excellent, too. Great sound, great picture and a fantastic commentary by director John Boorman and big-time "Point" fan Steven Soderbergh, who laughingly admits to Boorman that he's ripped this movie off more than a few times. Their chat is more technical than gossipy and deals heavily with the editing, the production (the script was only 70 pages long), the studio's concerns about the picture, the actors, violence, surrealism (is it all a dream?) and Boorman's elaborate use of color (the tones of clothing and sets intensify over the course of the film). I've gotten a lot of good DVD's this year but in terms of content, presentation and extas, this is one of the best.
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Reviewed in the United States on August 1, 2005
J
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Joe Movie
San Leandro, US
★★★★★ 4
One of Marvins better offerings
Like the Killers before marvin was almost destined to play the part of Walker in this fast moving gut wrenching but always realistic thriller brilliantly collaborated by Marvin and Boorman who had no peer in this type of film.For those unenlightened souls who downplay Marvins career this was the one that to my mind surpassed most of his prior efforts with the exception of the Killers which was above par in all respects.Marvin was ahead of the pack in the 60s playing this type of hard nosed no nonsense gangster type, no other actor came close and type casted him to some extent in this type of role which unlike may actors became a positive in his career. Just to show his brilliance as an actor he gave us later comedy roles which produced more acting accolades than that material for which he was better known namely what we see in Point Blank.He carries the whole movie as did all the great actors of that era and many since which in itself is the hallmark of greatness. Marvin was a man who so perfectly personified the parts he was playing that often other actors looked wooden in comparison.He was one of the rare individuals who could take a small co starring role and end up being the star of the movie, no mean feat when you were up against the best in the business at that time and there were plenty in the 60 and 70s.To my mind Point Blank will always be a MARVIN film and this is not to downplay other good workmanlike performances in the film but it will always rank highly in Marvins body of work which is a cut above his contemporaries in the roles for which he was known and appreciated.As for the film it played out in fairly predictable fashion until the final scenes under the golden gate brige which gave a nice twist and left the viewer unsure whether Walker did in fact take his money or simply leave the scene of the set up empty handed. The obvious answer is that he waited till the coast was clear and took his money. It is hard to accept that he did otherwise.In retrospect a movie that stands up 40 odd years later and is just as watchable as it was in 67. No mean feat.
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Reviewed in the United States on May 20, 2010
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Patrick Selitrenny
Bozeman, US
★★★★★ 5
A forerunner to Dirty Harry and Lee Marvin shining...
If you liked "The Getaway" or "Dirty Harry", then meet their forerunner. "Point Blank" is explosive, fast-paced, and still the acting is there. Good acting that is. Lee Marvin is at his best. Angie Dickinson. in her strong performance, is as beautiful as ever. Keenan Wynn and Carroll O'Connor play their parts to the hilt and it truly shows. John Vernon (who was The Mayor in "Dirty Harry") plays a slimy type with diligence and very believable. Add the killing pace of the entire picture, and you have a hot item, as sharp and cutting as "Film Noir" can be. Yes, because this is still a "Film Noir", despite the fact that it was filmed in Color and in the mid-sixties. John Boorman ("Hell in the Pacific", "Deliverance" and "The Emerald Forest"), skillfully "color coded" the entire movie, bringing it from absolute colors at the beginning, to more red-tinted ones towards the end. The only difference from a true "Film Noir" is its fast-paced storyline, that would lead us to movies as I have mentioned above. Marvin's minimalistic acting, but forceful presence, is enough to fill every frame of the movie with tension, action and complete mayhem. Compare him in "The Dirty Dozen" and "The Big Red One" and you will see what I mean. A big plus was the release on DVD. An excellent transfer with a sharp picture resolution, a clearcut sound, make it a very enticing experience to watch it at home. This is not just a Highly Recommended title. It is simply a Must!
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Reviewed in the United States on April 20, 2007
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Amazon Customer
Chelsea, US
★★★★★ 5
Whiter teeth with out the trays
Size: 3.8 Ounce (Pack of 1)
Love this toothpaste! My teeth are a lot whiter and brighter. Doesn’t leave a bad taste in my mouth. Highly recommend this product.
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Reviewed in the United States on May 24, 2026
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Keith J Murphy
Lexington, US
★★★★★ 5
smile time!!
Size: 3.8 Ounce (Pack of 1)
Love the whiteness! Works in a few weeks!
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Reviewed in the United States on June 8, 2026

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