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    3. 已結束 | 舊版 全部 新品 促銷 | 20 個活動進行中

      20 % off blocking (normal) serum and negative control

      活動品牌:Agrisera|Serum and negative control | 有效期:2021.07.01-2021.09.30

      20 % off blocking (normal) serum and negative control

      20 % off Agrisera blocking (normal) serum

      Agrisera offers a wide range of high-quality blocking (normal) serum for the application as a blocking agent, or as a negative control for immunoassays. All serum is obtained from healthy animals. The following formats are available:

      • Serum
      • Total immunoglobulin fraction
      • Highly purified, total immunoglobulin fraction
      From the following species: Bovine | Chicken | Donkey | Duck | Goat | Guinea pig | Hamster | Horse | Human | Llama | Mouse | Pig | Rabbit | Rat | Sheep

      Serum is lipid-extracted, dialyzed against phosphate buffer, and provided as lyophilized powder without preservative in different amounts:

      From 1-10 mg to 1 g and bulk.

      For most immunoassays like IHC, ELISA or Western blot, blocking is a crucial step to perform. This procedure blocks spaces that are not occupied by immobilized proteins, which prevents non-specific binding of the antibodies used in the assay. If blocking is not performed, false signals or high background will occur.

      There is no universal blocking agent, therefore empirical testing is necessary to determine which agent to use for a given assay.

      If normal serum is used as a blocker, it is recommended to use serum derived from the same host species as the detection antibody, conjugated with the reporter enzyme like HRP (Horse radish peroxidase) or ALP (Alkaline phosphatase).

      Primary antibody: Rabbit anti-target

      Blocking serum: Normal Chicken Serum (usually used at 5 % v/v in PBS with Tween®20 detergent)

      Secondary antibody: Chicken anti-Rabbit IgG-HRP conjugated

      Note: Rabbit serum cannot be used for blocking in such a combination.

      Collection of discounted negative control reagents

      Use discount code: Block20

      Valid July-September 2021

      2021-07-01 @ 12:45:55

      以上活動最終解釋權歸 Agrisera AB 所有

      Agrisera AB   商家主頁

      地址:21 Vännäs, SWEDEN, Europe
      聯系人:Dr. Joanna Porankiewicz-Asplund

      日期 數量
      2021-7 10
      2021-8 7
      2021-9 1
      2021-10 0
      2021-11 0
      2021-12 0




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