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nonlinear regression curve (sigmoidal dose response) function  (GraphPad Software Inc)


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    GraphPad Software Inc nonlinear regression curve (sigmoidal dose response) function
    Nonlinear Regression Curve (Sigmoidal Dose Response) Function, supplied by GraphPad Software Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/sigmoidal+nonlinear+regression+function/nonlinear+regression+curve++sigmoidal+dose+response+curve+for+agonist+stimulation+/pm38943594-321-22-29
    Average 90 stars, based on 1 article reviews
    nonlinear regression curve (sigmoidal dose response) function - by Bioz Stars, 2026-09
    90/100 stars

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    Concentration Assay:

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    Article Snippet: .. The concentration of each compound necessary to reduce cell viability by 50% (CC 50 ) was calculated by comparing the values with DMSO-treated cells using a sigmoidal nonlinear regression function in GraphPad Prism 8.0 (GraphPad Software, USA). ..

    other:

    Article Title: Broad-spectrum virucidal activity of bacterial secreted lipases against flaviviruses, SARS-CoV-2 and other enveloped viruses
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    Article Snippet: After adjusting the absorbance for background (medium) and comparing to untreated controls (untreated cell medium), the cytotoxic concentration CC 50 was calculated using a sigmoidal nonlinear regression function to fit the dose–response curve using the GraphPad Prism 7.01 software.

    Article Title: A universal fluorescence polarization high throughput screening assay to target the SAM-binding sites of SARS-CoV-2 and other viral methyltransferases
    Article Snippet: After adjusting the absorbance for background and comparing it to the DMSO controls, the cytotoxic concentration CC 50 was calculated using a sigmoidal nonlinear regression function to fit the dose-response curve using the GraphPad Prism 9.

    Article Title: A universal fluorescence polarization high throughput screening assay to target the SAM-binding sites of SARS-CoV-2 and other viral methyltransferases.
    Article Snippet: After adjusting the absorbance for background and comparing it to the DMSO controls, the cytotoxic concentration CC50 was calculated using a sigmoidal nonlinear regression function to fit the dose-response curve using the GraphPad Prism 9.

    Article Title: Broad-spectrum virucidal activity of bacterial secreted lipases against flaviviruses, SARS-CoV-2 and other enveloped viruses
    Article Snippet: The half-lethal dose (LD50) was calculated using a sigmoidal nonlinear regression function to fit the dose-response curve in GraphPad Prism 8.0 (GraphPad Software, USA).



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    ( A ) Representative SYPRO Orange thermal unfolding curve of Pro 283 NP, Ser 283 NP, and SYPRO Orange dye with buffer only. Means of four technical replicates are shown with the shaded area representing the SD. ( B ) Circular dichroism spectra of Pro 283 and Ser 283 NP. ( C ) Irreversible T agg was calculated by fitting the plots from (A) to a <t>Boltzmann</t> sigmoidal curve. The experiment was performed at three different NP concentrations. Individual measurements for five technical replicates are shown (**** P < 0.0001). ( D ) Schematic for a cellular thermal shift assay experiment. Intact cells ectopically expressing NP are harvested, split into aliquots, and heated rapidly to the indicated temperatures in a thermocycler. After centrifugation to pellet protein aggregates, soluble NP remaining in the supernatant is quantified via immunoblot. ( E ) Quantification of cellular thermal shift assay immunoblots. The mean of biological triplicates is shown with the error bars representing the SD (* P < 0.05). All band intensities were normalized to 37°C. Original blots are shown in fig. S2.
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    ( A ) Representative SYPRO Orange thermal unfolding curve of Pro 283 NP, Ser 283 NP, and SYPRO Orange dye with buffer only. Means of four technical replicates are shown with the shaded area representing the SD. ( B ) Circular dichroism spectra of Pro 283 and Ser 283 NP. ( C ) Irreversible T agg was calculated by fitting the plots from (A) to a <t>Boltzmann</t> sigmoidal curve. The experiment was performed at three different NP concentrations. Individual measurements for five technical replicates are shown (**** P < 0.0001). ( D ) Schematic for a cellular thermal shift assay experiment. Intact cells ectopically expressing NP are harvested, split into aliquots, and heated rapidly to the indicated temperatures in a thermocycler. After centrifugation to pellet protein aggregates, soluble NP remaining in the supernatant is quantified via immunoblot. ( E ) Quantification of cellular thermal shift assay immunoblots. The mean of biological triplicates is shown with the error bars representing the SD (* P < 0.05). All band intensities were normalized to 37°C. Original blots are shown in fig. S2.
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    ( A ) Representative SYPRO Orange thermal unfolding curve of Pro 283 NP, Ser 283 NP, and SYPRO Orange dye with buffer only. Means of four technical replicates are shown with the shaded area representing the SD. ( B ) Circular dichroism spectra of Pro 283 and Ser 283 NP. ( C ) Irreversible T agg was calculated by fitting the plots from (A) to a <t>Boltzmann</t> sigmoidal curve. The experiment was performed at three different NP concentrations. Individual measurements for five technical replicates are shown (**** P < 0.0001). ( D ) Schematic for a cellular thermal shift assay experiment. Intact cells ectopically expressing NP are harvested, split into aliquots, and heated rapidly to the indicated temperatures in a thermocycler. After centrifugation to pellet protein aggregates, soluble NP remaining in the supernatant is quantified via immunoblot. ( E ) Quantification of cellular thermal shift assay immunoblots. The mean of biological triplicates is shown with the error bars representing the SD (* P < 0.05). All band intensities were normalized to 37°C. Original blots are shown in fig. S2.
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    ( A ) Representative SYPRO Orange thermal unfolding curve of Pro 283 NP, Ser 283 NP, and SYPRO Orange dye with buffer only. Means of four technical replicates are shown with the shaded area representing the SD. ( B ) Circular dichroism spectra of Pro 283 and Ser 283 NP. ( C ) Irreversible T agg was calculated by fitting the plots from (A) to a <t>Boltzmann</t> sigmoidal curve. The experiment was performed at three different NP concentrations. Individual measurements for five technical replicates are shown (**** P < 0.0001). ( D ) Schematic for a cellular thermal shift assay experiment. Intact cells ectopically expressing NP are harvested, split into aliquots, and heated rapidly to the indicated temperatures in a thermocycler. After centrifugation to pellet protein aggregates, soluble NP remaining in the supernatant is quantified via immunoblot. ( E ) Quantification of cellular thermal shift assay immunoblots. The mean of biological triplicates is shown with the error bars representing the SD (* P < 0.05). All band intensities were normalized to 37°C. Original blots are shown in fig. S2.
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    ( A ) Representative SYPRO Orange thermal unfolding curve of Pro 283 NP, Ser 283 NP, and SYPRO Orange dye with buffer only. Means of four technical replicates are shown with the shaded area representing the SD. ( B ) Circular dichroism spectra of Pro 283 and Ser 283 NP. ( C ) Irreversible T agg was calculated by fitting the plots from (A) to a Boltzmann sigmoidal curve. The experiment was performed at three different NP concentrations. Individual measurements for five technical replicates are shown (**** P < 0.0001). ( D ) Schematic for a cellular thermal shift assay experiment. Intact cells ectopically expressing NP are harvested, split into aliquots, and heated rapidly to the indicated temperatures in a thermocycler. After centrifugation to pellet protein aggregates, soluble NP remaining in the supernatant is quantified via immunoblot. ( E ) Quantification of cellular thermal shift assay immunoblots. The mean of biological triplicates is shown with the error bars representing the SD (* P < 0.05). All band intensities were normalized to 37°C. Original blots are shown in fig. S2.

    Journal: Science Advances

    Article Title: The immune-evasive proline-283 substitution in influenza nucleoprotein increases aggregation propensity without altering the native structure

    doi: 10.1126/sciadv.adl6144

    Figure Lengend Snippet: ( A ) Representative SYPRO Orange thermal unfolding curve of Pro 283 NP, Ser 283 NP, and SYPRO Orange dye with buffer only. Means of four technical replicates are shown with the shaded area representing the SD. ( B ) Circular dichroism spectra of Pro 283 and Ser 283 NP. ( C ) Irreversible T agg was calculated by fitting the plots from (A) to a Boltzmann sigmoidal curve. The experiment was performed at three different NP concentrations. Individual measurements for five technical replicates are shown (**** P < 0.0001). ( D ) Schematic for a cellular thermal shift assay experiment. Intact cells ectopically expressing NP are harvested, split into aliquots, and heated rapidly to the indicated temperatures in a thermocycler. After centrifugation to pellet protein aggregates, soluble NP remaining in the supernatant is quantified via immunoblot. ( E ) Quantification of cellular thermal shift assay immunoblots. The mean of biological triplicates is shown with the error bars representing the SD (* P < 0.05). All band intensities were normalized to 37°C. Original blots are shown in fig. S2.

    Article Snippet: For differential scanning fluorimetry, T agg values were obtained by performing a nonlinear regression to a Boltzmann sigmoid function using GraphPad Prism.

    Techniques: Circular Dichroism, Thermal Shift Assay, Expressing, Centrifugation, Western Blot