SKU: 16898668249

Sulfur quantum dots

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Description

Sulfur quantum dotsProduct Name Name: a>Sulfur quantum dots Product Overview Recently, the synthesis and biological performance research of metal free single element quantum dots have received attention from researchers, such as carbon quantum dots (CQDs), phosphorus quantum dots (PQDs), silicon quantum dots (SiQDs), sulfur quantum dots (SQDs), etc. Sulfur quantum dots have become a new type of material studied in recent years due to their abundant raw material sources,

Product Name

Name:a>Sulfur quantum dots

Product Overview

 

Recently, the synthesis and biological performance research of metal free single element quantum dots have received attention from researchers, such as carbon quantum dots (CQDs), phosphorus quantum dots (PQDs), silicon quantum dots (SiQDs), sulfur quantum dots (SQDs), etc. Sulfur quantum dots have become a new type of material studied in recent years due to their abundant raw material sources, non toxicity, good chemical stability, and excellent natural antibacterial activity.


Technical Parameter

 

Luminous color:Blue light

at.%:~3.8%

Concentration: 28 mg/ml

Solvent:water

 

Product Features

 

Excellent optical performance: Sulfur quantum dots exhibit unique fluorescence properties, such as large Stokes shift, good stability, and emission peaks that do not vary with excitation wavelength.

Its quantum yield can reach 3.8%, and it has good dispersibility and optical stability in water.

Good biocompatibility: Sulfur quantum dots are widely used in cell imaging and biomedical research due to their low toxicity, no heavy metal pollution, and good biocompatibility.


Application Fields

 

Fluorescent probe detection: Sulfur quantum dots, as fluorescent probes, can detect heavy metal ions such as PB (II) and BI (III) with low detection limits and good sensitivity.

Cell imaging: In the biomedical field, sulfur quantum dots are used for cell labeling and imaging. Due to their high fluorescence intensity and good biocompatibility, they can clearly observe the internal structure and dynamic processes of cells.

Optoelectronic conversion: The application of sulfur quantum dots in optoelectronic conversion devices has also received widespread attention, and their excellent optical properties make them ideal materials for optoelectronic devices.

Chemical catalysis: Sulfur quantum dots exhibit excellent performance in chemical catalytic reactions, and their unique optical properties and high stability make them of great value in catalyst design and optimization.

Environmental sensing: Sulfur quantum dots have also been widely used in environmental monitoring and pollutant detection, and their high sensitivity and specificity make them ideal sensing materials.


Related Information

 

Attention: Sulfur Quantum Dots cannot be mixed with acidic medium.Before dilution, best doing some dialysis treatment, dialysis the high concentration of alkali and other ions in the sample with low concentration of alkali dialysis, and then diluted. The sample can be diluted directly in alkaline solvent if we cannot do dialysis treatment. 0.1M NaOH or KOH solution is recommended to be diluted.

The sulfur quantum dots have large aggregates (20 to 80nm), which are composed of small nanoparticles smaller than 5nm.

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 16898668249

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4.7 ★★★★★
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Kimberly G
Lake Worth, US
★★★★★ 5
delightful read
Format: Kindle
What a delightful read. The characters are awesome, the plot was so good, I loved it. I was intrigued and it kept me wanting more. Told in multiple pov, the book sucks you in and doesn’t let go. I cannot wait to read the next book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2025
K
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Kimberly B
Houston, US
★★★★★ 4
not bad
Format: Kindle
I loved the plot of this book. The characters just didn’t have a lot of depth. The connections and “love” just weren’t communicated very well in the writing. The author didn’t write the sweet psycho trope very well at all either. Lachlan was just a mess of a character.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2023
C
Verified Purchase
Carmen Alicea
Lowell, US
★★★★★ 5
A Beta Worth Rooting For
Format: Kindle
In Spare, Violet Fox flips the omegaverse on its head, giving us a Beta heroine determined to make her mark. Joining the Beta Trials to support her sick father, she's thrown into a pack that doesn't want her, especially the possessive Alphas. But here's the twist: their sweet Omega turns out to be her scent match. Cue the angst, forbidden tension, and a slow-burn romance that will make your heart ache in the best way. Violet Fox delivers an emotional, refreshing take on the genre, proving Betas aren't "spares." They're stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2025
C
Verified Purchase
C. Hunter
Belleville, US
★★★★★ 5
Beta, Alpha, Omega oh my!
Format: Kindle
Omegas are precious and given to Alphas & their packs... but the Betas want in too. To this end, the Beta government is rolling out its trial of assigning a Beta to each Alpha-Omega pack. But forcing a Beta into a pack where they are not wanted will not end well... Of course, no one expected the Omega to fall for the assigned Beta. Great read and cliffhanger
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2025
B
Verified Purchase
B. Stubby
Phoenix, US
★★★★★ 3
A familiar story, just with…..less.
Format: Kindle
So, as other reviewers make clear, this is very similar to Pack Darling and The Beta. It’s much closer aligned with The Beta, in plot and maybe more like Pack Darling with characters. That being said, I don’t hate this…..but it wasn’t great either. It’s both books mentioned but just….less. Less angst, less emotion, less feeling. The plot feels very half fleshed out, and the “bad guy” feels underwhelming. I didn’t really feel any real emotions from and of the male leads, except maybe Oliver. The others fell sorta flat for me. And Mika makes herself out to be this big bad ass straight outta training and then we never see it from here again with the one fitting room incident as the exception. SPOILER: The whole, “Oh, I’m actually probably an Omega, but I don’t wanna be but I do actually wanna be but no one can ever know my secret that I do nothing to hide “ thing fell so flat. She never commutes to believing she was secretly an omega, but also mentions her “secret” a lot. It just felt so manufactured. I’m intrigued enough to read part 2 and see how the author closes everything out, but this is not one I’ll recommend or ever come back to.
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Reviewed in the United States on February 13, 2024

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