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sulfo-Cyanine3.5 NHS ester

貨號 數量 價格 交貨時間
12320 1 mg $125 現貨
22320 5 mg $325 現貨
42320 25 mg $850 現貨
52320 50 mg $1490 現貨
62320 100 mg $1990 現貨
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Cyanine3.5 is a fluorescent dye with absorption and emission intermediate between Cyanine3 and Cyanine5. The sulfonated version contains four sulfo groups, which ensure high solubility and hydrophilicity of the fluorophore and labeled conjugates.

The NHS ester reactive group allows labeling of primary and secondary amine groups.

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sulfo-Cyanine3.5 amine

Sulfonated Cyanine3.5 amine derivative for the conjugation with electrophiles and enzymatic transamination labeling.

PreciseGreen dsDNA 定量試劑,200× (PreciseGreen dsDNA Quantification Reagent, 200×)

PreciseGreen 是一種染料,可用於在RNA、ssDNA 和其他雜質存在的情況下對dsDNA進行精確熒光定量。該染料在熒光素通道中表現出明亮的熒光,在pg/mLng/mL 範圍內對 DNA 濃度提供線性響應。

Cyanine3B maleimide

Derivative of a Cyanine3B dye, improved Cyanine3 dye to have higher quantum yield, for maleimide reaction chemistry.
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General properties

Appearance: deep purple powder
Molecular weight: 1088.33
CAS number: 2231670-91-8 (without cation)
Molecular formula: C42H40N3K3O16S4
Solubility: good in water, DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: 下載
產品規格

Spectral properties

Excitation/absorption maximum, nm: 576
ε, L⋅mol−1⋅cm−1: 139000
Emission maximum, nm: 603
Fluorescence quantum yield: 0.11
CF260: 0.16
CF280: 0.17

產品引用

  1. McGuire, K.; He, S.; Gracie, J.; Bryson, C.; Zheng, D.; Clark, A.W.; Koehnke, J.; France, D.J.; Nau, W.M.; Lee, T.-C.; Peveler, W.J. Supramolecular Click Chemistry for Surface Modification of Quantum Dots Mediated by Cucurbit[7]uril. ACS nano, 2023, 17(21), 21585-21594. doi: 10.1021/acsnano.3c06601
  2. Shramova, E.; Proshkina, G.; Shipunova, V.; Ryabova, A.; Kamyshinsky, R.; Konevega, A.; Schulga, A.; Konovalova, E.; Telegin, G.; Deyev, S. Dual Targeting of Cancer Cells with DARPin-Based Toxins for Overcoming Tumor Escape. Cancers, 2020, 12(10), 3014. doi: 10.3390/cancers12103014
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