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Key Documents

SAB5801049

Sigma-Aldrich

Alpaca Anti-Chicken IgY single domain Antibody

recombinant Alpaca(VHH) Nano antibody

Synonyme(s) :

Recombinant Alpaca single variable domain secondary Nano antibody

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

alpaca

Produit recombinant

expressed in E. coli

Conjugué

unconjugated (6*his tag and one cys were added at the C terminal of the VHH)

Forme d'anticorps

affinity purified immunoglobulin

Type de produit anticorps

secondary antibodies

Clone

recombinant monoclonal

Forme

lyophilized solid

Poids mol.

14 kDa

Espèces réactives

Alpaca, chicken

Technique(s)

ELISA: 1:10000-1:50000
western blot: 1:10000-1:50000

Taille

0.1 mL

Couleur

colorless

Isotype

VHH

Conditions d'expédition

wet ice

Température de stockage

2-8°C

Description générale

Alpaca Anti-Chicken IgY single domain Antibody is designed to specifically detect chicken IgY. It is a monovalent, single domain, recombinant antibody derived from the variable region of heavy chain of Alpaca pacous. Based on immunoelectrophoresis and/or ELISA, Alpaca Anti-Chicken IgY single domain Antibody detects the chicken IgY selectively but not with mouse, rabbit, human, cynomolgus, rat, goat IgG.
Hens egg yolk immunoglobulins IgY can be transferred from the serum of mother hen to the offspring egg yolk to acquire immunity. In the immunodiagnostic technologies, IgY is an excellent antibody for using in immunological assays involving mammalian sera, due to discriminative properties of IgY compared to mammalian IgG, as IgY does not react with the rheumatoid factor and human anti-mouse IgG antibodies do not activate the complement system and do not bind to Fc receptor. Also, they have poor cross reactivity to mammalian IgG due to immunological differences. IgY does not contain a hinge region but does contain an additional constant domain. The whole IgY molecule possesses both the Fc region and the Fab region, which possessing the epitope-recognition site. The IgYcontains two heavy and light chains. The common IgY is monomeric with a molecular weight of approximately 170 kDa.
VHH are single-domain antibodies derived from the variable regions of heavy chain of Camelidae immunoglobulin. The size of VHH is extremely small(less than15KDa) compared to other forms of antibody fragment, which significantly increase the permeability of VHH. Thus VHH is considered of great value for research, diagnostics and therapeutics.

Spécificité

Fc region of chicken IgY
Isotype: VHH domain of alpaca IgG2b/2c

Immunogène

Recombinant Alpaca single variable domain secondary nano antibody

Conditionnement

100 μg in Glass bottle

Forme physique

Lyophilized from 10mM PBS (pH 7.5), 0.05% sucrose, 0.1% trehalose

Reconstitution

Add 100uL dH2O or 100uL dH2O with 50% Glycerol to a final concentration of 1mg/mL

Stockage et stabilité

After reconstitution, store at –20 °C(Avoid freeze / thaw cycles). Stable for 12 months at -20°C

Autres remarques

No cross-reactivity with mouse, rabbit, human, cynomolgus, rat, goat IgG

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Pictogrammes

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Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Aquatic Chronic 3 - Skin Sens. 1

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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