SKU: 9126336557

Human ELA4 (Elastase 4) ELISA Kit

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Description

Human ELA4 (Elastase 4) ELISA KitThe Human ELA4 (Elastase 4) ELISA immunoassay kit uses the Sandwich ELISA principle. The micro ELISA plate provided in this kit has been pre coated with an antibody specific to Human ELA4. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human ELA4 and Avidin Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well

The Human ELA4 (Elastase 4) ELISA immunoassay kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human ELA4. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human ELA4 and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human ELA4, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human ELA4. You can calculate the concentration of Human ELA4 in the samples by comparing the OD of the samples to the standard curve.

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SKU: 9126336557

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Reflective Reader
Cuba, US
★★★★★ 5
A Minority View of our History
Format: Kindle
If you want to learn more about American history from the perspective of minorities, this is a crowning achievement. It is long so I focused on reading the chapters on the US and it gave me an understanding of just how brutal the challenges were but how significant the slow process of building our multicultural society was as well.
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Reviewed in the United States on April 10, 2026
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Viking2020
Port Orchard, US
★★★★★ 5
Eye opening!
Format: Hardcover
I've read tons of books and biographies connected to American history, perhaps because I'm the son of immigrants, but have never read a survey like this one. By describing in luscious and sometimes horrific detail the wars being fought in Mexico and the main Canadian provinces alongside our Civil War, we get patterns, intersections, and insights that simply would not be available reading about any one struggle. I love this book which is teeming with wonderful portraits and dramatic scenes.
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Reviewed in the United States on April 22, 2025
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Verified Purchase
Craig Barker
Lake Worth, US
★★★★★ 5
A worthy and worthwhile fourth volume in the series
Format: Kindle
Once again, Taylor frames a critical period of the past in terms of the continent of North America and ties the US Civil War to the one occurring concurrently in Mexico and Canada's move toward Dominion. All thoughtfully told and expertly researched.
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Reviewed in the United States on June 11, 2024
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Geddes J
Birmingham, US
★★★★★ 4
Good History Book
Format: Kindle
Twenty years that change history and the Americas. Even though the civil war ended slavery at a humongous cost, it it failed to bring social justice a d civil rights to the population of the country. It was not until 1920 that women were granted voting rights. And some problems and divisions persist nowdays.
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Reviewed in the United States on July 2, 2024
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Ian R
Los Angeles, US
★★★★★ 5
interesting and fresh perspective on the American civil war
Format: Kindle
Fresh perspective on the well known American Civil War. I appreciate Dr Taylor’s emphasis on the preservation of slavery over the states’ rights argument for why the American Civil War was fought.
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Reviewed in the United States on June 1, 2024

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