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Supplier: Biotium
Description: GelRed™ and GelGreen™ are a new generation of fluorescent nucleic acid gel stains designed to replace the highly toxic ethidium bromide (EtBr)
Supplier: Biotium
Description: Anti-IgG2a Goat Polyclonal Antibody (CF™ 647)

Supplier: Biotium
Description: Conjugates of alpha-bungarotoxin labeled with a selection of our CF® dyes and other labels. Labeled alpha-bungarotoxin conjugates can be used for staining nicotinic acetylcholine receptors at neuromuscular junctions in tissue sections.

Supplier: Biotium
Description: Furaptra, AM ester is a membrane-permeant form of Furaptra (Mag-Fura-2). The indicator is loaded into cells via simple incubation

Supplier: Biotium
Description: Membrane-permeant form of Rhod-2 that can be loaded into cells via incubation. Because of the relatively low water solubility of the AM ester, the mild detergent Pluronic F-127 is often used as a dispersing agent to facilitate dye loading. Rhod-2-AM itself does not bind Ca2+ , but it is readily hydrolyzed to Rhod-2 by endogenous esterases once it enters cells.

Catalog Number: (89139-190)
Supplier: Biotium
Description: Membrane-impermeant calcium indictor that can be loaded into cells via microinjection or scrape loading.


Catalog Number: (89139-252)
Supplier: Biotium
Description: 5-(and-6)-carboxy-2′,7′-dichlorofluorescein is similar to carboxyfluorescein (51013), but has lower pKa. It is useful for detecting pH in more acidic environment.


Catalog Number: (89139-258)
Supplier: Biotium
Description: 5-CFDA is membrane-permeant and thus can be loaded into cells via incubation. Once inside cells, 5-CFDA is hydrolyzed by intracellular esterases to 5-carboxyfluorescein (see 50015).


Catalog Number: (89139-212)
Supplier: Biotium
Description: Mag-Fura-2 is a UV-excitable fluorescent indicator for magnesium with a Kd of 1.9 mM (1,2). Similar to Fura-2, the excitation wavelength of Mag-Fura-2 undergoes a blue shift from 369 nm to 330 nm. Mag-Fura-2 also responds to Ca2+ but with a significantly higher Kd than Fura-2 for Ca2+.


Catalog Number: (89139-260)
Supplier: Biotium
Description: 5-Carboxyfluorescein has a pKa of 6.5 and can be used as a pH sensor. The excitation spectrum of the dye responds to pH similarly to that of BCECF. Carboxyfluorescein can also be used as a tracer dye. The dye is membrane-impermeant and can be loaded into cells by microinjection or scrape loading.


Catalog Number: (89139-224)
Supplier: Biotium
Description: Membrane-impermeant calcium indicator that can be loaded into cells via microinjection or scrape loading.


Catalog Number: (89139-620)
Supplier: Biotium
Description: Biocytin hydrazide is an aldehyde-fixable cellular tracer that can be introduced into cells by microinjection. Biocytin hydrazide can also be used to label glycoproteins or other carbohydrate molecules (See Reactive Dyes for Labeling Glycoproteins and Other Carbohydrate Molecules).


Catalog Number: (89139-322)
Supplier: Biotium
Description: Biotin-X-DHPE (N-((6-(Biotinoyl)amino)hexanoyl)-1,2-dihexadecanoylsn-glycero-3-phosphoethanolamine, triethylammonium salt) can be used to couple avidin or streptavidin to cell membranes or liposomes.

Catalog Number: (89139-272)
Supplier: Biotium
Description: SPQ is a blue fluorescent dye (Ex/Em 344/443 nm) that is specifically quenched by chloride via collision (KSV=118 M-1). Therefore, chloride concentrations can be measured by moniotiring the degree of fluorescence decrease. The dye can be loaded into cells by hypotonic shock.


Catalog Number: (89139-360)
Supplier: Biotium
Description: Di-8-ANEPPQ is a fast-responding membrane potential dye. It is more hydrophobic than Di-2-ANEPEQ and is useful for potential-sensitive retrograde labeling of neurons.


Catalog Number: (89139-482)
Supplier: Biotium
Description: Lucifer Yellow CH lithium salt (LY CH lithium salt) is a widely used polar molecular tracer for studying neuronal morphology. The fluorescent molecule contains a carbohydrazide that allow the molecule to be aldehyde-fixable.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
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The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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