No, this product does not blink when excited by a red light. Therefore, they may not be suitable for applications in stochastic optical reconstruction microscopy where blinking is required.
900226
CdSe/ZnS core-shell type quantum dots
carboxylic acid functionalized, fluorescence λem 645 nm, 1 mg/mL in H2O
Sinonimo/i:
Fluorescent nanocrystals, QDs
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Cambia visualizzazione
1 ML
CHF 145.00
About This Item
Formula condensata:
CdSe/ZnS
Codice UNSPSC:
26111700
NACRES:
NA.23
Prodotti consigliati
Stato
dispersion
Livello qualitativo
Concentrazione
1 mg/mL in H2O
Fluorescenza
λem 645 nm
λem 645 nm±10 nm, quantum yield >50%
Gruppo funzionale
carboxylic acid
Temperatura di conservazione
2-8°C
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Categorie correlate
Descrizione generale
Reactive group: Carboxylic acid.
Applicazioni
The organic layer of the CdS/ZnS or CdSe/ZnS quantum dots (QDs) with carboxylic acid as reactive group consist of a monolayer of oleic acid/octadecylamine and a monolayer of amphiphilic polymer. The total thickness of organic layers on these QDs is approximately 4 nm. They find many applications in bioimaging and biosensing.[1][2][3]
Avvertenza
Do not freeze.
Note legali
Product of Ocean Nanotech, LLC.
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Aquatic Chronic 2
Codice della classe di stoccaggio
12 - Non Combustible Liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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Hong Xu et al.
ACS applied materials & interfaces, 5(8), 2901-2907 (2013-04-05)
The excellent optical properties of quantum dots (QDs), such as high brightness, high photostability, continuous absorption, and narrow emission bandwidth, make them ideal as optical labels to develop QD-based immunohistofluorescence (IHF) imaging for multiplexing cancer biomarker detection on formalin-fixed and
Lily Yang et al.
Small (Weinheim an der Bergstrasse, Germany), 5(2), 235-243 (2008-12-18)
Epidermal growth factor receptor (EGFR) targeted nanoparticle are developed by conjugating a single-chain anti-EGFR antibody (ScFvEGFR) to surface functionalized quantum dots (QDs) or magnetic iron oxide (IO) nanoparticles. The results show that ScFvEGFR can be successfully conjugated to the nanoparticles
Zengyan Wei et al.
Soft matter, 8(26), 6871-6875 (2012-09-18)
Genetically-engineered collagen peptides were assembled into freestanding films when QDs are co-assembled as joints between collagen domains. These peptide based films show excellent mechanical properties with Young's modulus of ~20 GPa, much larger than most of multi-composite polymer films and
Articoli
Cadmium-free quantum dots for bioimaging offer design and synthesis strategies, enhancing bioimaging and sensing applications.
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Do the CdSe/ZnS core-shell type quantum dots (product no. 900226) blink when excited with red light? Or are they useful in stochastic optical reconstruction microscopy where blinking is required?
1 answer-
Helpful?
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What is the exact size (in nm) of this QD?
1 answer-
The inorganic size of these QDs is approximately 8.1 nm and the hydrodynamic size is approximately 18 nm.
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The CdSe/ZnS quantum dots (product no. 900226) are indeed capable of single-photon emission. Some literature sources mention the use of quantum dots from Sigma-Aldrich as single-photon sources.
1 answer-
It is advised that all fluorophores should exhibit single-photon emission. Additionally, our quantum dots (QDs) also demonstrate single-photon emission.
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