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Bis-ANS, protein conformation probe

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4381-5mg	5 mg	$159	現貨
4381-25mg	25 mg	$397	現貨

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Bis-ANS is a high-affinity fluorescent probe for nonpolar cavities in proteins. Its hydrophobic phenyl and naphthyl rings interact noncovalently with proteins and protein degradation products.

As with other anilinonaphthalene sulfonates (ANS), bis-ANS is essentially nonfluorescent in water but becomes noticeably fluorescent in a nonpolar environment. When free, bis-ANS has an excitation maximum at 390 nm and an emission maximum at 523 nm but undergoes a blue shift with an increase in fluorescence intensity when bound to protein.

Bis-ANS is frequently used to monitor the formation of protein aggregates and indicate protein folding and conformational changes. The dye is also used to detect Aβ fibers.

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AF 647 azide

Bright and photostable azide AF 647 for labeling alkyne-containing biomolecules and fluorescent visualization of biological objects.

AF 647 DBCO

是遠紅螢光團 AF 647 的二苯並環辛炔（DBCO、ADIBO）衍生物，用於標記活細胞、整個生物體和無生命樣品中含疊氮基團的生物分子。

HEX NHS ester, 6-isomer

NHS-ester of HEX dye for proteins, peptides, and modified oligonucleotides labeling via reaction with amino groups.

General properties

Appearance:	light yellow-green crystals
Molecular weight:	672.87
CAS number:	65664-81-5
Molecular formula:	C₃₂H₂₂K₂N₂O₆S₂
IUPAC name:	dipotassium;8-anilino-5-(4-anilino-5-sulfonatonaphthalen-1-yl)naphthalene-1-sulfonate
Solubility:	DMF: 30 mg/ml, DMSO: 30 mg/ml, ethanol: slightly soluble, PBS (pH 7.2): 5 mg/ml
Quality control:	NMR ¹H and HPLC-MS (95+%)
Storage conditions:	24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
MSDS:	下載
	產品規格

Spectral properties

Excitation/absorption maximum, nm:	396 (free), 401 (complex)
Emission maximum, nm:	508 (free), 488 (complex)

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.