Kit de ensayo de calcio Fluo-4 Direct™
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Invitrogen™

Kit de ensayo de calcio Fluo-4 Direct™

El kit de ensayo de calcio Fluo-4 Direct™ se ha formulado para proporcionar un ensayo de calcio fluorescente y homogéneoMás información
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Número de catálogoCantidad
F104731000 ml
F10471100 ml
F10472100 ml
Número de catálogo F10473
Precio (EUR)
4.695,00
Each
-
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Cantidad:
1000 ml
Precio (EUR)
4.695,00
Each
Añadir al carro de la compra
Ask our AI about this Product
El kit de ensayo de calcio Fluo-4 Direct™ se ha formulado para proporcionar un ensayo de calcio fluorescente y homogéneo que cumple lo siguiente:
1. Se carga fácilmente en las células
2. Logra una gran ventana de ensayo y
3. Suprime la fluorescencia de fondo generada desde el indicador de calcio en medios completos con poca o ninguna repercusión sobre la fluorescencia celular específica

Esta fórmula avanzada permite que el ensayo se ejecute en un simple formato de «solo adición» en presencia de medios con suero. Fluo-4 Direct™ es la tercera incorporación a la familia de reactivos de detección de calcio Fluo-4. Tanto Fluo-4 AM como Fluo-4 NW requieren la extracción del medio antes la detección del ensayo, pero Fluo-4 NW añade comodidad mediante la inclusión del reactivo PowerLoad™ para facilitar la carga de la célula. El kit de ensayo de calcio Fluo-4 Direct™ es similar a Fluo-4 NW en que ambos están formulados con PowerLoad™ para facilitar la carga de células, pero es único porque puede utilizarse en presencia de los medios de cultivo completos y suprime con eficacia la fluorescencia de fondo sin sacrificar la fluorescencia celular específica generada en el ensayo.
Para uso exclusivo en investigación. No apto para uso en procedimientos diagnósticos.
Especificaciones
Método de detecciónFluorescente
Tipo de coloranteA base de colorantes fluorescentes
FormularioPolvo
ModificaciónProductos químicos
Cantidad1000 ml
Condiciones de envíoTemperatura ambiente
Localización subcelularNúcleo, orgánulos, citoplasma
ColorVerde
EmissionVisible
Para utilizar con (aplicación)Viabilidad y proliferación celulares
Para utilizar con (equipo)Microscopio confocal, Microscopio de fluorescencia, Instrumentos de alto contenido, Lector HTS, Lector de microplacas, Generador de imágenes de fluorescencia
Línea de productosMolecular Probes™
Tipo de productoKit de ensayo de calcio
Unit SizeEach
Contenido y almacenamiento
  • Reactivo de ensayo de calcio Fluo-4 Direct™ de 1 l (componente A)
  • Probenecida de 1,54 g (componente B)
  • Almacenar a ≤ -20 °C. Desecar y proteger de la luz.
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Certificados

N.º de loteCertificate TypeDateCatalog Number(s)
2831245Certificate of Analysis29 jun 2025F10472
2955439Certificate of Analysis29 jun 2025F10472
3183400Certificate of Analysis18 may 2025F10471
3143069Certificate of Analysis08 abr 2025F10472
3143068Certificate of Analysis04 abr 2025F10471
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Preguntas frecuentes

The nail polish may be the problem. The Kd value (calcium sensitivity) changes depending upon the dye's environment. Nail polish has solvents that can leech under the coverslip and cause variability. We recommend either going without a sealing or sealing with melted paraffin painted on the coverslip edges with a cotton-tipped applicator (paraffin is hydrophobic and has no solvents).

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

After loading dye into the cells, intracellular esterases remove the 'AM' moiety from the dye. When the 'AM' group is removed, the dye is able to bind calcium and fluoresce. Since the dye is not covalently bound to any cellular components, it may be actively effluxed from the cell. The rate of efflux is dependent upon the inherent properties of the cell, culture conditions and other factors. The dye may be retained for hours, days or even weeks or lost in a matter of minutes. The use of Probenecid (Cat. No. P36400) limits loss by active efflux.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

Citations & References (18)

Citations & References
Abstract
High-resolution imaging of the immunological synapse and T-cell receptor microclustering through microfabricated substrates.
Authors:Biggs MJ, Milone MC, Santos LC, Gondarenko A, Wind SJ,
Journal:J R Soc Interface
PubMed ID:21490003
'T-cell activation via antigen presentation is associated with the formation of a macromolecular membrane assembly termed the immunological synapse (IS). The genesis of the IS and the onset of juxtacrine signalling is characterized by the formation of cell membrane microclusters and the organization of such into segregated microdomains. A central ... More
Transient receptor potential vanilloid-1 (TRPV1) is a mediator of lung toxicity for coal fly ash particulate material.
Authors:Deering-Rice CE, Johansen ME, Roberts JK, Thomas KC, Romero EG, Lee J, Yost GS, Veranth JM, Reilly CA,
Journal:Mol Pharmacol
PubMed ID:22155782
'Environmental particulate matter (PM) pollutants adversely affect human health, but the molecular basis is poorly understood. The ion channel transient receptor potential vanilloid-1 (TRPV1) has been implicated as a sensor for environmental PM and a mediator of adverse events in the respiratory tract. The objectives of this study were to ... More
Regulation of cytosolic phospholipase A2 (cPLA2alpha) and its association with cell proliferation in human lens epithelial cells.
Authors:Wang Y, Xing KY, Lou MF,
Journal:Invest Ophthalmol Vis Sci
PubMed ID:21896865
'To investigate the molecular mechanism for cytosolic phospholipase A2 (cPLA(2)a) regulation and its association to platelet-derived growth factor (PDGF)-induced cell proliferation. cPLA(2)a was examined using human lens epithelial (HLE) B3 cells. Reactive oxygen species (ROS) generation induced by PDGF was analyzed by luminescence assay. Cell proliferation was measured by cell ... More
20-Hydroxyeicosatetraenoic acid (20-HETE) is a novel activator of transient receptor potential vanilloid 1 (TRPV1) channel.
Authors:Wen H, Östman J, Bubb KJ, Panayiotou C, Priestley JV, Baker MD, Ahluwalia A,
Journal:J Biol Chem
PubMed ID:22389490
'TRPV1 is a member of the transient receptor potential ion channel family and is gated by capsaicin, the pungent component of chili pepper. It is expressed predominantly in small diameter peripheral nerve fibers and is activated by noxious temperatures >42 °C. 20-Hydroxyeicosatetraenoic acid (20-HETE) is a cytochrome P-450 4A/4F-derived metabolite ... More
Gq/5-HT2c receptor signals activate a local GABAergic inhibitory feedback circuit to modulate serotonergic firing and anxiety in mice.
Authors:Spoida K, Masseck OA, Deneris ES, Herlitze S,
Journal:
PubMed ID:24733892
Serotonin 2c receptors (5-HT2c-Rs) are drug targets for certain mental disorders, including schizophrenia, depression, and anxiety. 5-HT2c-Rs are expressed throughout the brain, making it difficult to link behavioral changes to circuit specific receptor expression. Various 5-HT-Rs, including 5-HT2c-Rs, are found in the dorsal raphe nucleus (DRN); however, the function of ... More
18 total citations

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