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If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

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主要文件

900226

Sigma-Aldrich

CdSe/ZnS 核壳型量子点

carboxylic acid functionalized, fluorescence λem 645 nm, 1 mg/mL in H2O

别名:

Fluorescent nanocrystals, QDs

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250 MG
¥746.15
1 G
¥1,887.16
10 G
¥9,785.13

¥746.15


国内现货,预计发货时间2025年4月25日详情


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250 MG
¥746.15
1 G
¥1,887.16
10 G
¥9,785.13

About This Item

线性分子式:
CdSe/ZnS
UNSPSC代码:
26111700
NACRES:
NA.23

¥746.15


国内现货,预计发货时间2025年4月25日详情


获取大包装报价

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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D3159D1626D3664
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

form

solid

form

powder

form

solid

form

powder or crystals

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

type

Type XIV

type

-

type

-

type

-

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.

象形图

Environment

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

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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
    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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