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
Synonyme(s) :
Fluorescent nanocrystals, QDs
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145.00 CHF
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145.00 CHF
About This Item
Formule linéaire :
CdSe/ZnS
Code UNSPSC :
26111700
Nomenclature NACRES :
NA.23
Produits recommandés
Forme
dispersion
Niveau de qualité
Concentration
1 mg/mL in H2O
Fluorescence
λem 645 nm
λem 645 nm±10 nm, quantum yield >50%
Groupe fonctionnel
carboxylic acid
Température de stockage
2-8°C
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Catégories apparentées
Description générale
Reactive group: Carboxylic acid.
Application
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]
Attention
Do not freeze.
Informations légales
Product of Ocean Nanotech, LLC.
Mentions de danger
Conseils de prudence
Classification des risques
Aquatic Chronic 2
Code de la classe de stockage
12 - Non Combustible Liquids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°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
Articles
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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