SKU: 49745664884

Human SP-D/SFTPD (Pulmonary Surfactant Associated Protein D) ELISA Kit

Sale price$234.00 Regular price$260.00
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Description

Human SP-D/SFTPD (Pulmonary Surfactant Associated Protein D) ELISA KitThe Human SP D SFTPD (Pulmonary Surfactant Associated Protein D) ELISA Kit measures SP D SFTPD in Human Serum, Plasma, Cell Culture Supernatant, Cell Lysate or Tissue Lysate. This kit is based on Double antibody Sandwich ELISA detection method and takes 4h assay time. The microplate provided in this kit has been precoated with anti SP D SFTPD antibody. Add standard and properly diluted sample into relevant well respectively. After incubation, wash

The Human SP-D/SFTPD (Pulmonary Surfactant Associated Protein D) ELISA Kit measures SP-D/SFTPD in Human Serum, Plasma, Cell Culture Supernatant, Cell Lysate or Tissue Lysate. This kit is based on Double antibody-Sandwich ELISA detection method and takes 4h assay time. The microplate provided in this kit has been precoated with anti SP-D/SFTPD antibody. Add standard and properly diluted sample into relevant well respectively. After incubation, wash unbound components. Add biotinylated detection antibody. Then, it binds with SP-D/SFTPD bound to precoated antibody. Wash unbound components and add HRP-Streptavidin Conjugate (SABC). Wash unbound components again and add TMB substrate solution. Then, TMB was catalyzed by HRP to produce a blue color product that turned yellow after adding a stop solution. Read the O.D. absorbance at 450nm in a microplate reader. Calculate the concentration of SP-D/SFTPD in the sample by plotting standard curve. The concentration of the target substance is proportional to the OD450 value.

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SKU: 49745664884

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Mindi P
New York, US
★★★★★ 5
Durable, Great Value Dog Bone!
We’ve ordered several of these that have lasted for months, and my dogs are still working on them. Months. That alone feels like a small miracle. Normally, chews last about 10 minutes. Not this one. This thing is built like it trained for battle. It keeps them busy, satisfied, and focused on something that is actually meant to be chewed. And the best part? It’s way more affordable in the long run. Instead of constantly buying new toys, chews, or replacing destroyed shoes, this one just keeps going. Definitely worth every penny and then some. If you have determined chewers, this is the chew/bone you’ve been looking for.
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Reviewed in the United States on February 18, 2026
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J.M.
Phoenix, US
★★★★★ 5
Dog loves this
My dog absolutely loves the shape of these and will play with it for hours. The material is pretty durable too, though he is a big lab so over time chewed away the top nubs. Eventually tossed it at that point, but got great use out of it before. No bad smell and my pet really enjoys playing with it. It’s not too big either and is really easy to take with you on trips, etc. have bought multiple!
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Reviewed in the United States on April 17, 2026
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Chuck
Houston, US
★★★★★ 4
Dog liked it, chewing cat did not
My dog liked it, but I actually got it for my cat that insists on chewing on everything. However, he refused to chew on this toy. He sniffed it once and walked away. So, for dogs I guess it's a decent chewy...
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Reviewed in the United States on February 24, 2026
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Baylee Wing
Dallas, US
★★★★★ 5
My dachshund loves this bone
My dog absolutely loved this bone!! He has other bones but always resorts back to this one. It’s easy for him to hold and enjoy at the same time. It is very durable.
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Reviewed in the United States on June 7, 2026
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Heather N
Port Orchard, US
★★★★★ 5
Dogs give the Y a 10 out of 10!
It seems like all dogs love these Y bones. It is not messy and its a dog favorite. Paid for many Y bones in the store but it is a little more going to a pet store. So tried online. Didn't disappoint! Cant have enough in my pantry. 😀
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Reviewed in the United States on May 21, 2026

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