SKU: 28806883593

Human PGF (Placental Growth Factor) ELISA Kit

Sale price$202.50 Regular price$225.00
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

Human PGF (Placental Growth Factor) ELISA KitThe Human PGF (Placental Growth Factor) 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 PGF. 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 PGF and Avidin Horseradish Peroxidase (HRP) conjugate are added successively to each micro

The Human PGF (Placental Growth Factor) 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 PGF. 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 PGF 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 PGF, 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 PGF. You can calculate the concentration of Human PGF in the samples by comparing the OD of the samples to the standard curve.

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SKU: 28806883593

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Elizabeth Whiting
Omaha, US
★★★★★ 5
Great way to support summer learning!
Format: Paperback
I absolutely love the Summer Bridge Activities: Bridging Grades 3–4! This workbook is a fantastic way to keep kids engaged and learning over the summer break. The activities are well-designed, fun, and educational, providing the perfect balance between reinforcing what they’ve already learned and getting them excited for the next school year. The layout is visually appealing, with colorful pages and interactive exercises that make learning feel like play. What I appreciate most is how it covers key subjects like math, reading, writing, and critical thinking skills in bite-sized chunks that kids can easily manage. My child enjoyed doing a little bit each day, and I noticed significant improvement in their confidence as they completed each activity. It's great that this workbook also includes helpful tips for parents to guide their kids through the exercises. Overall, this is a must-have resource for parents looking to keep their children sharp and engaged during the summer while still having fun. Highly recommend!
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Reviewed in the United States on March 21, 2025
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Dawn
Charlottesville, US
★★★★★ 5
Great for growing minds!
I love these workbooks! We used to buy these at a local store until it closed. They help kids retain what they learned in school over the summer. The worksheet usually takes 5-10 minutes a day.
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Reviewed in the United States on April 26, 2026
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Ellen F.
San Leandro, US
★★★★★ 5
Good review
Format: Paperback
This workbook touches on many important skills that are taught in 3rd grade. It’s a great workbook that can be used by parents or someone who is doing summer tutoring.
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Reviewed in the United States on February 10, 2026
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renee macdonald
Natrona Heights, US
★★★★★ 5
Great Summer Bridge Activities for Students going into 4th Grade
Good for 3rd going into 4th grade summer activities.
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Reviewed in the United States on April 29, 2026
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ESA
Louisville, US
★★★★★ 5
Perfect for Homeschooling!! Let the stories come alive and captivate you!
Format: Hardcover
I’m a homeschooling mama and I’m grateful for men like Eric Metaxas who are personally invested in the wellbeing of our nation. Thank you, Eric, for sharing history with truth and the fear of God.
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Reviewed in the United States on June 2, 2026

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