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Human Epidermal Growth Factor EGF Skin Care Recombinant Core Streptavidin for Cosmetic Materials

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Just completed an order with Peter and his service is A+++. I have posted it elsewhere on the board. I did a gh serum test with his gh and it comes back more 30, crazy high score for 10iu.

—— Ricky Rodrig from USA

Was and am VERY, VERY impressed with Peter. Superb communication and overall customer service!! A+++++. will definitely be doing business with you.

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Human Epidermal Growth Factor EGF Skin Care Recombinant Core Streptavidin for Cosmetic Materials

Human Epidermal Growth Factor EGF Skin Care Recombinant Core Streptavidin for Cosmetic Materials
Human Epidermal Growth Factor EGF Skin Care Recombinant Core Streptavidin for Cosmetic Materials

Large Image :  Human Epidermal Growth Factor EGF Skin Care Recombinant Core Streptavidin for Cosmetic Materials Get Best Price

Product Details:

Place of Origin: China
Brand Name: SGH
Certification: GMP, ISO9001,BRC,KOSHER
Model Number: r-cSA

Payment & Shipping Terms:

Minimum Order Quantity: 10vials (1kit)
Price: Negotiation
Packaging Details: Discreet package or foiled bag or pack as customer's request
Payment Terms: T/T, Western Union, MoneyGram, Bitcoin
Supply Ability: 50000vials/Month
Detailed Product Description
Size: 10000iu/vial Synonyms: R-cSA
Form: Lyophilized Powder Usage: Becauty Purpose
Color: White Storage: -20C
High Light:

recombinant human epidermal growth factor

,

egf skin care

Product Name: Recombinant Core Streptavidin (r-cSA)

Formulation: Lyophilized from 5 mM PB (4 mM Na2HPO4, 1 mM NaH2PO4, pH7.4)

Mol. Wt.: 13.5 kDa for monomer, 54 kDa for tetramer

Theoretical pI: 6.04

Theoretical Activity:

18.1 U/mg protein (r-cSA:Biotin=1:4 (mol:mol))

Activity: ≥16 U/mg protein (Determined by NUPTEC according to modified Green Method)

Resources: Escherichia coli (E. coli)

Purity: ≥95% by SDS-PAGE analysis

Endotoxin: ≤5 EU/mg

Storage Condition: -20 oC

Storage Duration: 3 years

 

Description:

Streptavidin is a homotetrameric protein secreted from Streptomyces avidinii. Similar to avidin, one mole of streptavidin can bind 4 moles of biotin with a high affinity. Streptavidin lacks carbohydrate side chains present on avidin and has an isoelectric point close to neutrality. Therefore it has a reducing nonspecific binding level as compared to avidin. Streptavidin has been extensively applied in various biological fields, such as ELISA, IHC, TRFIA, quantifying PCR, isolation of single-stranded nucleotide, purification of biomolecule, and monoclonal antibody production as well.

Compared to native streptavidin, r-cSA is improved in stability and solubility by the removal of activity-unrelated sequence. Also, one cysteine residue is inserted at the C-terminus of r-cSA for covalently conjugating to resin.

 
 
 

 

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