Dermatophagoides farinae Der f 1/ Der f 2 purified
Purified Der f 1 (≥ 95%) Approximately 900-1100 µg BCA per vial.
Purified Der f 2 (≥ 95%) Approximately 100-300 µg BCA per vial.
We deliver purified D. farinae in the following forms:
- Der f 1 purified (≥ 98%) Approximately 400-500 µg BCA per vial. Group 1 (Der f 1) allergens have a molecular weight of 25 kDa, as monomer, neutral slightly acidic, and polymorph proteins. Citeq can extract the Group 1 allergens with a purity of ≥ 98%. At least 70% of allergic individuals recognize group 1 allergens. These allergens are identified in a lot of house dust mites (HDM). The allergens can be conceded through the whole body, but are mostly present in the feacel pellets of the HDM. The major allergen Der f 1 is mostly used in in-vitro diagnostic tests and in allergy and asthma research.
- Der f 2 purified (≥ 98%) Approximately 200-300 µg BCA per vial. Group 2 (Der f 2) allergens are neutral to slightly basic and polymorph. Citeq can extract the Group 2 allergens with a purity of ≥ 98%. The majority of allergic individuals recognize the 14kDa non-glycosylated allergens. Group 2 allergens are identified in a large number of HDM’s compared to other allergens. Group 2 allergens are abundantly present within the mite body. The major allergen Der f 2 is mostly used in in-vitro diagnostic tests and in allergy and asthma research.
Dermatophagoides farinae belongs to the Pyroglyphidae family. Dermatophagoides farinae is the second most important house dust mite (HDM) next to D. pteronyssinus. Our specialty is the production of house dust mites (HDMs) and their allergens. Our strength lies in the control of the whole chain, from cultivation to purification. Our specialty starts with our cultivation medium which has an absolute low in foreign protein. Our cultivation technique leads to high concentrations of the major allergens, resulting in strong raw materials, extracts in several grades of purity, and very pure major allergens. All our house dust mite products contain the native proteins, with no denaturing treatments during production and purification.
Der f 1 purified, 400-500 µg BCA (1 vial), Der f 2 purified, 200-300 µg BCA (1 vial)
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Freeze-driedOur material will be delivered in freeze-dried (lyophilized) form in different sizes so you always have the right amount available and you are assured of stable material.
DefinedBecause of our quality system we produce high quality allergen extracts. Our products will be delivered with a certificate that specifies the amount of allergens, level of endotoxin and much more.
CustomizationOn request we can customize products for you. Please contact us for any specific requests or collaborations.
Woldwide deliveryOur products are used by researchers and diagnostic companies all over the world. We ship our products with FedEx to your country of choice.
Large batchesWe produce large batches so you are assured of material from the same batch over a longer period of time. You can even make a reservation for material from a specific lot.
100% serviceWe have a dedicated team to answer all of your questions. Satisfied customers is our number one priority.