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.
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表单
dispersion
质量水平
浓度
1 mg/mL in H2O
荧光
λem 645 nm
λem 645 nm±10 nm, quantum yield >50%
官能团
carboxylic acid
储存温度
2-8°C
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相关类别
一般描述
Reactive group: Carboxylic acid.
应用
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]
注意
注意：不要冻存。
法律信息
Product of Ocean Nanotech, LLC.
危险声明
预防措施声明
危险分类
Aquatic Chronic 2
储存分类代码
12 - Non Combustible Liquids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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
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
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
商品
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-
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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.
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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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