SKU: 76602285273

Rat PROG (Progesterone) ELISA Kit

Sale price$267.75 Regular price$297.50
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Description

Rat PROG (Progesterone) ELISA KitThe Rat (PROG) Progesterone ELISA Kit measures Progesterone in Rat samples. Add samples to the pre coated plate. Then add biotinylated antigen. The antigens in the samples compete with the biotinylated antigen to bind to the capture antibody and incubate. Unbound antigen is washed away during a washing step. An avidin HRP is then added and then incubate. Unbound avidin HRP is washed away during a washing step. TMB Substrate is then added and color

The Rat (PROG) Progesterone ELISA Kit measures Progesterone in Rat samples. Add samples to the pre-coated plate. Then add biotinylated antigen. The antigens in the samples compete with the biotinylated antigen to bind to the capture antibody and incubate. Unbound antigen is washed away during a washing step. An avidin-HRP is then added and then incubate. Unbound avidin-HRP is washed away during a washing step. TMB Substrate is then added and color develops. The reaction is stopped by addition of acidic stop solution and color changes into yellow that can be measured at 450 nm. The intensity of the color developed is inversely proportional to the concentration of PROG in the sample. The concentration of PROG in the sample is then determined by comparing the O.D. of the samples to the standard curve.

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SKU: 76602285273

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Rachelle King
Carnegie, US
★★★★★ 5
Fits no brand threaded pen with round inside connector
These work! I saw other reviews saying they didn't fit because they have a small round connector and that's what they have. Look inside your pen, I have an off brand pen and used my phone flashlight to look to see how it connected inside and it's round. It's also threaded so the product is described well and fits my no brand pen. Great price as well, I found the same ones on eBay for double the price. Very happy with this purchase and will be buying again.
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Reviewed in the United States on December 17, 2025
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ERucci
Carnegie, US
★★★★★ 5
Perfect Microneedling Replacement Cartridges
These cartridges fit the Loutsbe brand Microneedle Instrument that I purchased from Amazon. After much research, I was so happy to find these as it seems there are many different types out there. It can be rather confusing finding the correct cartridges. The quality of these is excellent and they screw in perfectly. These have the treads above the little spring.
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Reviewed in the United States on June 4, 2026
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Melinda
New York, US
★★★★★ 5
Micro needling replacements
These cartridges all came well sealed, and well aligned so when I use them, they don’t stab deeper in one spot than the other and they fat my micro needling pen.
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Reviewed in the United States on May 28, 2026
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CAM
Lake Worth, US
★★★★★ 5
Do yourself Micro needling
Easy to use and lives up to my expectations.
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Reviewed in the United States on February 5, 2026
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Lira Beautiful Spa Academy
Omaha, US
★★★★★ 5
Cartuchos Micro agujas
Excelente productos
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Reviewed in the United States on May 17, 2026

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