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SeamlessBio Rabbit Serum (Normal Rabbit Serum, NRS) is collected from healthy, non-immunised rabbits, sterile filtered (0.2 µm), and supplied with full batch documentation. NRS is the most widely used blocking reagent in immunofluorescence (IFA), immunohistochemistry (IHC), and ELISA protocols using rabbit antibodies.
| Parameter | Specification |
|---|---|
| Species | Oryctolagus cuniculus (domestic rabbit) |
| Designation | Normal Rabbit Serum (NRS) |
| Sterile filtration | 0.2 µm |
| Origin | EU (controlled housing) |
| Storage | -20 °C (long-term) | +4 °C (short-term) |
| Shelf life | Min. 12 months from manufacture |
| Pack sizes | 1 mL, 5 mL, 10 mL, 50 mL, 100 mL |
| Documentation | CoA, CoO, MSDS |
| Application | Description |
|---|---|
| IHC / IFA Blocking | Standard blocking (2–10% NRS) prior to rabbit primary antibody incubation |
| ELISA Development | Reduction of non-specific binding in assays with polyclonal rabbit antibodies |
| Immunohistochemistry | Tissue section blocking before incubation with rabbit pAbs |
| Cross-Reactivity | Species-specificity control in multi-species assay development |
SeamlessBio supplies speciality animal sera — all sterile filtered, with full documentation:
| Species | Typical Application | Availability |
|---|---|---|
| Rat Serum | Immunoassay, blocking, rat primary cells | ✅ In stock |
| Mouse Serum (NMS) | ELISA, Western blot, hybridoma | ✅ In stock |
| Rabbit Serum (NRS) | IHC, IFA, ELISA, blocking | ✅ In stock |
| Sheep Serum (NSS) | IHC, complement, anti-sheep secondary | ✅ In stock |
| Goat Serum (NGS) | IHC standard, IFA, ELISA, multiplex | ✅ In stock |
| Chicken Serum (NCS) | IgY assays, cross-reactivity, veterinary | ✅ In stock |
| Pig Serum | Preclinical, porcine primary cells | ✅ In stock |
| Horse Serum (DHS) | PC-12, hybridoma, insect cells | ✅ In stock |
| Guinea Pig Serum | Complement fixation test (CFT) | ✅ On request |
SDS, CoA and further documents on request: info@seamlessbio.de | +49 851 37932226
NRS is from non-immunised rabbits without specific antibodies against a defined analyte. Pre-immune serum is collected from the same animal before immunisation — available on request.
Heat-inactivated NRS (56 °C, 30 min) available on request.
Yes — info@seamlessbio.de | +49 851 37932226
Feedback from our valued business partners
We have been working with Seamless Bio for several large orders, and the service is consistently outstanding. Fast dispatch, careful packaging, and excellent communication make them a trusted supplier for our lab needs.
Seamless Bio always delivers on time with top-quality products. Their team is proactive and helpful, ensuring that every order meets our exact specifications. A true partner in our daily operations.
