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I0140

Sigma-Aldrich

Anti-Human IgM (μ-chain specific) antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution

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About This Item

Numero MDL:
Codice UNSPSC:
12352203
NACRES:
NA.46

Origine biologica

rabbit

Coniugato

unconjugated

Forma dell’anticorpo

IgG fraction of antiserum

Tipo di anticorpo

secondary antibodies

Clone

polyclonal

Forma fisica

buffered aqueous solution

tecniche

indirect ELISA: 1:100,000

Condizioni di spedizione

dry ice

Temperatura di conservazione

−20°C

modifica post-traduzionali bersaglio

unmodified

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Descrizione generale

IgM is a class of antibodies containing a pentamer of five IgG equivalents with 10 Fab fragments, joined by a single cross-linking peptide (J-chain). It constitutes 15% of the normal adult immunoglobulins.

Specificità

The antibody preparation is specific for human IgM when tested against purified human IgA, IgG, IgM, Bence Jones kappa, and lambda myeloma proteins.

Applicazioni

Anti-Human IgM (μ-chain specific) antibody produced in rabbit was used as secondary antibody in immunoblotting and indirect ELISA.

Azioni biochim/fisiol

IgM antibodies are present as pentamers in the serum and are produced in response to antigens.
Immunoglobulin M (IgM) antibodies appear early in the course of infections. IgM is an initial immunoglobulin produced in the developing fetus as a result of the immune response during the second trimester of pregnancy. It is then substituted by IgG. Therefore, the diagnosis of specific antibodies of the IgM class is useful in detecting chronic infections. IgM is essential for the fetal and neonatal host defense system. IgM cannot cross the placenta. Hence, the presence of IgM might indicate an intrauterine viral infection. IgM antibodies are responsible for the agglutination of red blood cells in mismatched blood transfusions. The level of IgM may vary with the status of disease or infection.

Stato fisico

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide as preservative

Stoccaggio e stabilità

For continuous use, store at 2-8 °C for up to one month. For extended storage, the solution may be frozen in working aliquots at –20 °C. Repeated freezing and thawing, or storage in "frost-free" freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use.

Esclusione di responsabilità

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Immunology of the Fetus and Newborn
Avery's Diseases of the Newborn, 445-467 null
Overview of the Immune Response
The Journal of Allergy and Clinical Immunology null
J Raper et al.
Infection and immunity, 67(4), 1910-1916 (1999-03-20)
Natural resistance of humans to the cattle pathogen Trypanosoma brucei brucei has been attributed to the presence in human serum of nonimmune factors that lyse the parasite. Normal human serum contains two trypanosome lytic factors (TLFs). TLF1 is a 500-kDa
E J Wiersma et al.
Journal of immunology (Baltimore, Md. : 1950), 160(12), 5979-5989 (1998-06-24)
Previous studies have discerned two forms of polymeric mouse IgM: moderately cytolytic (complement-activating) pentamer, which contains J chain, and highly cytolytic hexamer, which lacks J chain. To investigate the relationships among polymeric structure, J chain content, and cytolytic activity, we

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