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quantiblue solution  (InvivoGen)


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    Structured Review

    InvivoGen quantiblue solution
    Quantiblue Solution, supplied by InvivoGen, used in various techniques. Bioz Stars score: 99/100, based on 866 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/quantiblue+solution/QUANTI-Blue+Solution/pm41962328-341-8-10
    Average 99 stars, based on 866 article reviews
    quantiblue solution - by Bioz Stars, 2026-10
    99/100 stars

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    Related Articles

    Activity Assay:

    Article Title: Design, synthesis and biological evaluation of novel pyrimidine and quinazoline-based small-molecule Toll-like receptor 8 antagonists.
    Article Snippet: THP1-Dual TLR4/MD-2/CD14 cells (InvivoGen, Toulouse, France) were seeded in 96-well plates at a density of 1x105 cells per well and immediately preincubated with designated antagonists for 1 h, and stimulated with TLR agonists. .. After 24 h, NF-κB activity was measured using SEAP reporter assay with QuantiBlue solution (InvivoGen, Toulouse, France) and ISRE activity was measured via Lucia luciferase using QuantiLuc solution (InvivoGen, Toulouse, France), both following manufacturer's instructions. ..

    Article Title: Design, synthesis and biological evaluation of novel pyrimidine and quinazoline-based small-molecule Toll-like receptor 8 antagonists.
    Article Snippet: For inhibition studies, the cells were preincubated with TLR8 antagonists for 1 h prior to the addition of TLR agonists to the medium for 24 h. The following TLR ligands were used: Pam2CSK4, Pam3CSK4, poly(I:C) (HMW), LPS from E. coli O111:B4 (LPS-EB Ultrapure), flagellin from Bacillus subtilis (flagellin-BS Ultrapure), CL307, TL8-506, ODN2006 and CU-CPT9a (all from InvivoGen, Toulouse, France), and enpatoran (BIOZOL Diagnostika, Germany). .. After 24 h, NF-κB activity was measured using QuantiBlue solution (InvivoGen, Toulouse, France) following manufactures instructions. .. THP1-Dual TLR4/MD-2/CD14 cells (InvivoGen, Toulouse, France) were seeded in 96-well plates at a density of 1x105 cells per well and immediately preincubated with designated antagonists for 1 h, and stimulated with TLR agonists.

    Article Title: Higher order receptor clustering due to the IgG3 subclass is necessary for TLR4 signaling and tolerance induction by novel human anti-TLR4 antibodies.
    Article Snippet: Determination of IgG3 Fc contributions to mouse anti-TLR4 antibody (UT-18) using reporter cells TLR4 agonist activity of F(ab’)2, F(ab), and FL UT-18 were tested using HEK-BlueTM mTLR4 reporter cells that stably express mouse TLR4, MD2, and CD14, as well as SEAP (secreted embryonic alkaline phosphatase) under control of NFkB (Invivogen, #hkb-mtlr4). .. Cells were seeded at 120,000 cells per well in a 24-well plate and stimulated with F(ab’)2, F(ab), or FL UT-18 at the indicated concentrations in 1 ml of media for 24 h at which point supernatants were collected and assayed for alkaline phosphatase activity using Quantiblue solution according to the manufacturer’s instructions (Invivogen, #rep-qbs). .. The importance of the Fc portion of UT-18 was also tested by immobilization to a protein G-coated 96-well plate (Pierce, #15131) for 1 hr, followed by washing 3× with phosphate-buffered saline (PBS), and then the addition of 100,000 HEK-Blue mTLR4 reporter cells.

    Article Title: Higher order receptor clustering due to the IgG3 subclass is necessary for TLR4 signaling and tolerance induction by novel human anti-TLR4 antibodies
    Article Snippet: TLR4 agonist activity of F(ab’)2, F(ab), and FL UT-18 were tested using HEK-BlueTM mTLR4 reporter cells that stably express mouse TLR4, MD2, and CD14, as well as SEAP (secreted embryonic alkaline phosphatase) under control of NFkB (Invivogen, #hkb-mtlr4). .. Cells were seeded at 120,000 cells per well in a 24-well plate and stimulated with F(ab’)2, F(ab), or FL UT-18 at the indicated concentrations in 1 ml of media for 24 h at which point supernatants were collected and assayed for alkaline phosphatase activity using Quantiblue solution according to the manufacturer’s instructions (Invivogen, #rep-qbs). .. The importance of the Fc portion of UT-18 was also tested by immobilization to a protein G-coated 96-well plate (Pierce, #15131) for 1 hr, followed by washing 3× with phosphate-buffered saline (PBS), and then the addition of 100,000 HEK-Blue mTLR4 reporter cells.

    Reporter Assay:

    Article Title: Design, synthesis and biological evaluation of novel pyrimidine and quinazoline-based small-molecule Toll-like receptor 8 antagonists.
    Article Snippet: THP1-Dual TLR4/MD-2/CD14 cells (InvivoGen, Toulouse, France) were seeded in 96-well plates at a density of 1x105 cells per well and immediately preincubated with designated antagonists for 1 h, and stimulated with TLR agonists. .. After 24 h, NF-κB activity was measured using SEAP reporter assay with QuantiBlue solution (InvivoGen, Toulouse, France) and ISRE activity was measured via Lucia luciferase using QuantiLuc solution (InvivoGen, Toulouse, France), both following manufacturer's instructions. ..

    Luciferase:

    Article Title: Design, synthesis and biological evaluation of novel pyrimidine and quinazoline-based small-molecule Toll-like receptor 8 antagonists.
    Article Snippet: THP1-Dual TLR4/MD-2/CD14 cells (InvivoGen, Toulouse, France) were seeded in 96-well plates at a density of 1x105 cells per well and immediately preincubated with designated antagonists for 1 h, and stimulated with TLR agonists. .. After 24 h, NF-κB activity was measured using SEAP reporter assay with QuantiBlue solution (InvivoGen, Toulouse, France) and ISRE activity was measured via Lucia luciferase using QuantiLuc solution (InvivoGen, Toulouse, France), both following manufacturer's instructions. ..

    Incubation:

    Article Title: A Programmable Nanovaccine Platform Based on M13 Bacteriophage for Personalized Cancer Vaccine and Therapy
    Article Snippet: To facilitate the delivery of the negatively charged ssDNA to the mTLR9 cells, the phage particles were heated-inactivated by immersing them in water at 96 °C for 10 min and subsequently mixed with TransIT-X2 (0.2 μL/well, Mirus Bio). .. Following overnight incubation, 90 μL of the supernatant was collected from each well and mixed with 90 μL of QUANTIBlue solution (rep-qbs2, InvivoGen). ..

    Article Title: Size-dependent immunomodulation by MSC secretome: soluble factors target innate pathways, components larger than 100 kDa regulate T cell proliferation
    Article Snippet: After incubation, 20 μL of supernatant are transferred to one transparent 96 well plate (ThermoFisher) for NF-κB reading and one white nontransparent 96-w plate (ThermoFisher) for IRF reading. .. 90 μL of QuantiBlue solution (Invivogen) is added to the first plate and is incubated for 30 min at 37 °C or until the first well turns blue as per supplier’s instructions. .. After incubation, the plate is read for absorbance at 620 nm using a SpectraMax Id3 (Molecular Devices).

    Article Title: Size-dependent immunomodulation by MSC secretome: soluble factors target innate pathways, components larger than 100 kDa regulate T cell proliferation.
    Article Snippet: After incubation, 20 μL of supernatant are transferred to one transparent 96 well plate (ThermoFisher) for NF-κB reading and one white nontransparent 96-w plate (ThermoFisher) for IRF reading. .. 90 μL of QuantiBlue solution (Invivogen) is added to the first plate and is incubated for 30 min at 37 °C or until the first well turns blue as per supplier’s instructions. .. After incubation, the plate is read for absorbance at 620 nm using a SpectraMax Id3 (Molecular Devices).

    Article Title: A 1:1 combination of cannabidiol and Δ 9 -tetrahydrocannabinol inhibit toll-like receptor 7- and 8-mediated inflammation in human immune cells.
    Article Snippet: Recombinant human IFN-α2a (50 U/ml; Miltenyi) was used as a positive control. .. The following day, 20 μl of HEK-293 cell supernatant from each well was added to new 96-well plates containing 180 μl of QuantiBlue solution (InvivoGen), and incubated for 30 – 60 min. Secreted embryonic alkaline phosphatase (SEAP) levels were determined using a spectrophotometer plate reader at 630 nm. ..

    Spectrophotometry:

    Article Title: A 1:1 combination of cannabidiol and Δ 9 -tetrahydrocannabinol inhibit toll-like receptor 7- and 8-mediated inflammation in human immune cells.
    Article Snippet: Recombinant human IFN-α2a (50 U/ml; Miltenyi) was used as a positive control. .. The following day, 20 μl of HEK-293 cell supernatant from each well was added to new 96-well plates containing 180 μl of QuantiBlue solution (InvivoGen), and incubated for 30 – 60 min. Secreted embryonic alkaline phosphatase (SEAP) levels were determined using a spectrophotometer plate reader at 630 nm. ..



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