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How we can help

Tell us what you're measuring, with your excitation wavelength and buffer, and we'll suggest a colloid.

For a quotation, include the products, sizes and quantities, your delivery country and your institution. We also quote for larger amounts and other concentrations.

Purchase orders are best sent by email as an attachment, because the form can't take files. If you're asking about an order you've placed, include the order number.

Jack Mitchinson, our managing director, answers technical and ordering questions.