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CHO Host Cell Protein ELISA Kit(96T)
CHO Host Cell Protein ELISA Kit(96T)
Chinese Hamster Ovary Host Cell Protein Residues elisa kit, CHO Host Cell Protein Residues ELISA Kit, 中华仓鼠卵巢细胞宿主蛋白残留检测试剂盒
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Regular members: $796.0
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  • NO.:CP-HCP96T
    CV of Intra plate:6-10%
    Validity:6 months
    CV of Inter plate:6.9-10.4%
    LOD:3.1 ng/ml
    LOQ:6.25 ng/ml
    Storage:2-8℃
  • Goods click count:124
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Details

ELISA Kit for the Quantitative Measurement of CHO HCP Residues in Cell Culture Supernatants, Protein Purification Process, and End-Product

 

1. **APPLICATION**

 

   The kit is intended for the quantitative determination of host cell protein (HCP) residues in protein therapeutics produced by Chinese Hamster Ovary (CHO) expression systems.

 

2. **BACKGROUND**

 

Chinese Hamster Ovary (CHO) is widely utilized for the expression of therapeutic proteins. During the process of expressing target proteins, concomitant apoptosis occurs, which releases up to a thousand host proteins into the cell culture medium after cell breakage. These host proteins exhibit strong immunogenicity and can lead to adverse toxicity or immune reactions, jeopardizing product safety and quality, and causing potential biological contamination. One of the aims of downstream processes in the production of biological medicinal products is to remove these potential hazards.

 

Therefore, it is essential to minimize the residual levels of host cell proteins (HCP). In the downstream purification process development, a scientifically sound method for determining the concentration of HCP in finished or semi-finished products is necessary. Enzyme-linked immunosorbent assay (ELISA) has high sensitivity and is therefore designated as the gold standard for HCP detection by regulatory agencies.

 

 MATERIALS (Note: Storage at 2-8)

 

Reagents

Specification

Quantity

1

Pre-Coated Microplate

(Detachable)

96 wells

1 plate

(Keep Sealed)

2

Standard (Stock Solution) -500ug/ml

50ul

1 tube

3

Detection antibody (100×)

150ul

1 tube

4

TMB Substrates

10ml

1 vial (Avoid Light)

5

Stop Solution

10ml

1 vial

6

Wash Solution (100×)

10ml

1 vial

7

Diluent Buffer (10×)

10ml

1 vial

8

Plate Sealer

 

4 pieces

9

Instruction Manual

 

1

 

Appendix 1: example OF Standard Curve

 

 

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