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Ionophores

Ionophores are used to increase the permeability of biological membranes and facilitate transfer of molecules into and out of cells.  Ionophores unique molecular properties allow them to be used in a variety of functions. A.G. Scientific can supply a variety of ion selective electrodes for your needs, we have had particular success with the following:  

Valinomycin is used in ion selective electrodes to diagnostically measure potassium (K+) concentrations.   
 
Ionomycin is selective for calcium ions (Ca2+); it increases membrane permeability to calcium thus increasing calcium concentration in the cell.  
 
Calcimycin  also known as (A23187)  is a calcium ionophore with antibiotic properties that kill gram positive bacteria and fungi. This ionophore increases intracellular Ca2+ concentrations, and can either initiate or prevent apoptosis in different cell types.
 
Nonactin selectively forms complexes with ammonium, thallium, and potassium cations to carry them across lipid membranes. 
 
A.G. Scientific delivers quality assured reagents directly to scientists, from small-scale to bulk orders. Our leadership in bulk supply allows us to provide custom product packaging and create multiple product forms. We offer “just in time” delivery, private labeling, and custom formulations for specific research needs.
 

 

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4-Bromo-A23187
Product Number: A-1130

Product Name Price Qty
4-Bromo-A23187 - 1x1 mg
$80.00
4-Bromo-A23187 - 1x5 mg
$240.00
Nonfluorescent calcium ionophore used as a calibration standard for determining cytoplasmic calcium ions by fluorescent probes. Learn More

9-cis-Retinoic Acid
Product Number: R-2002

Product Name Price Qty
9-cis-Retinoic Acid - 1x5 mg
$96.00
9-cis-Retinoic Acid - 1x25 mg
$480.00
Product is high affinity ligand for retinoid X receptor (RXR). Able to destablize VDR=RXR heterodimer-DNA complex. Learn More

A23187, Free Acid
Product Number: A-1020

Product Name Price Qty
A23187, Free Acid - 1x5 mg
$50.00
A23187, Free Acid - 1x10 mg
$75.00
A23187, Free Acid - 1x50 mg
$320.00
A widely used ionophore. It has the ability to increase the intracellular concentrations of cations and is widely used to increase the intra Learn More

A23187, Mixed Calcium-Magnesium Salt
Product Number: A-1128

Product Name Price Qty
A23187, Mixed Calcium-Magnesium Salt - 1x5 mg
$52.50
A23187, Mixed Calcium-Magnesium Salt - 1x10 mg
$84.00
Used in cell activation experiments when calcium dose-response data are not required. Molar ratio Ca:Mg~1:1. Learn More

Alamethicin
Product Number: A-1286

Product Name Price Qty
Alamethicin - 1x5 mg
$89.00
Alamethicin - 1x10 mg
$155.00
Alamethicin - 1x50 mg
$610.00
Membrane permeabilizing Antibiotic. Increases [32P] incorporation into phosphatidylinositol-4-phosphate. Learn More

Ampullosporin A
Product Number: A-1266

Product Name Price Qty
Ampullosporin A - 1x1 mg
$48.00
Ampullosporin A - 1x5 mg
$195.00
Induces pigment formation by the fungus Phoma destructiva, causes hypothermia in mice, displays neuroleptic activity in rats and forms insta Learn More

Bapta(AM)
Product Number: B-1083

Product Name Price Qty
Bapta(AM) - 1x25 mg
$115.00
Bapta(AM) - 5x 25 mg
$500.00

D-Cycloserine
Product Number: C-1067

Product Name Price Qty
D-Cycloserine - 1x250 mg
$80.00
Synthetically derived. Antibiotic which inhibits cell wall synthesis. Partial agonist at the glycine modulatory site of the NMDA receiptor Learn More

Enniatin B
Product Number: E-2024

Product Name Price Qty
Enniatin B - 1x1 mg
$129.00
Isolated from Fuzarium orthoceras var. enniatum. Learn More

Ferutinin
Product Number: F-1140

Product Name Price Qty
Ferutinin - 1x1 mg
$35.00
Ferutinin - 1x5 mg
$100.00
Potent Ionophore demonstrating potent estrogen activity. Semisynthetic Learn More

Gramicidin A (High Purity), Bacillus brevis
Product Number: G1215

Product Name Price Qty
Gramicidin A (High Purity), Bacillus brevis - 1x25 mg
$250.00
Naturally ocurring ion channel-forming pentadecapeptide antibiotic. Makes membranes permeable to protons and alkali metal ions, causes red Learn More

Hellebrin, Helleborus sp.
Product Number: H-1160

Product Name Price Qty
Hellebrin, Helleborus sp. - 1x1 mg
$45.00
Hellebrin, Helleborus sp. - 1x5 mg
$189.00
Cardiotonic glycoside. Potent inhibitor of Na+, K+ -ATPase (sodium pump) blocking the active efflux of Na+ and reuptake of K+ of this membra Learn More

Ionomycin, Calcium Salt
Product Number: I-1015

Product Name Price Qty
Ionomycin, Calcium Salt - 1x1 mg
$70.00
Reportedly more effectivethan A23187 as a Ca++ionophore. Highly specific ionophore useful in studying Ca2+ transportation. Learn More

Ionomycin, Free Acid, Streptomyces conglobatus
Product Number: I-1014

Product Name Price Qty
Ionomycin, Free Acid, Streptomyces conglobatus - 1x1 mg
$70.00
Ionomycin, Free Acid, Streptomyces conglobatus - 1x5 mg
$265.00
Highly specific ionophore useful in studying Ca2+ transportation. Learn More

Monensin Methyl Ester
Product Number: M-1213

Product Name Price Qty
Monensin Methyl Ester - 1x100 mg
$120.00
Use in preparatioin of ion-selective membranes for ion-selective electrodes. Learn More

Monensin, Sodium Salt (High Purity)
Product Number: M-1211

Product Name Price Qty
Monensin, Sodium Salt (High Purity) - 1x250 mg
$120.00
Functions as Na+ ionophore by forming stable complexes with monovalent cations able to cross the plasma membrane. Blocks glycoprotein secret Learn More

Nigericin, Sodium Salt
Product Number: N-1103

Product Name Price Qty
Nigericin, Sodium Salt - 1x5 mg
$31.00
Nigericin, Sodium Salt - 1x10 mg
$58.00
Polyether ionophore. Stimulates ATPase activity in mitochondria. Learn More

Nonactin, Streptomyces griseus
Product Number: N-1155

Product Name Price Qty
Nonactin, Streptomyces griseus - 1x10 mg
$50.00
Nonactin, Streptomyces griseus - 1x50 mg
$180.00
Macrotetrolide antibiotic which acts as a monovalent cation ionophore and demonstrates high selectivity for ammonium and potassium. Learn More

Phenamil.Methanesulfonate
Product Number: P-1017

Product Name Price Qty
Phenamil.Methanesulfonate - 1x5 mg
$115.00
A derivative of amiloride, which acts as a sodium channel blocker. Learn More

SQI-Pr(Na)
Product Number: S-2063

Product Name Price Qty
SQI-Pr(Na) - 1x500 μg
$170.00
Sodium ionophore with selectivity of 100:1 for sodium over potassium. Effective at concentratioins of 1-5 uM. Learn More

Valinomycin, Streptomyces fulvissimus
Product Number: V-1013

Product Name Price Qty
Valinomycin, Streptomyces fulvissimus - 1x50 mg
$70.00
Valinomycin, Streptomyces fulvissimus - 1x100 mg
$126.00
Valinomycin, Streptomyces fulvissimus - 1x1 g
$910.00
Antibiotic which acts as a potassium (K+) ionophore. Induces K+ conductivity in cell membranes. Also active in vitro against Mycobacterium Learn More

Verruculogen, Penicillium verruculosum
Product Number: V-1000

Product Name Price Qty
Verruculogen, Penicillium verruculosum - 1x1 mg
$54.00
Verruculogen, Penicillium verruculosum - 1x5 mg
$215.00
Tremorgenic mycotoxin. Potent inhibitors of Ca activated K(maxi K) channel. Learn More

X-206 [Desmethylalborixin]
Product Number: X-1007

Product Name Price Qty
X-206 [Desmethylalborixin] - 1x1 mg
$25.00
X-206 [Desmethylalborixin] - 1x5 mg
$100.00
Ionophoric. Chelates monovalent cations, preferably sodium ions and transports them passively through biological membranes. Displays antimic Learn More

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