America Diagnostics provides a comprehensive suite of recombinant protein expression and purification services, distinguished by our extensive expertise across various expression systems. We are committed to delivering high-quality protein production tailored to meet the specific requirements of our clients.

Key Strengths 

Bacterial Recombinant Protein Expression Systems 

• Adjustable Protein Synthesis rate: We employ a T5 promoter in conjunction with a linear response operator to the inducer, enabling precise control over protein synthesis rates. 
• Broad Hosts: Our broad host range promoter is effective not only in E. coli but also in Pseudomonas putida and Bacillus subtilis, making it an adaptable vector suitable for diverse host organisms.

Insect Cell Expression 

• Scalable Expression: Our offerings include both transient transfection in our proprietary HiExp™ insect cells for small-scale evaluations and large-scale protein expression utilizing the baculovirus system. 
• High Successful Rate: Our services are designed to ensure reliable outcomes, consistently achieving protein yields with a purity exceeding 90%. 

HiExp™ CHO Cell Protein Expression and Purification

• Custom Expression: We utilize in-house HiExp™ CHO cell lines for scalable recombinant protein expression and purification, available in both transient and stable formats. 
• Quick Turnaround time: Typically 2-4 weeks, with a capacity for 1 mg scale and a purity level surpassing 90%. 

Why Choose America Diagnostics? 

• Located in San Diego, California, we are strategically positioned to deliver efficient and timely protein expression and purification solutions to our clients. 
• Our proprietary technologies, strickly controlled expression system in E. coli, Quick enrichment of transfected cells in insect cells, and HiExp™ CHO cells significantly enhance our success rates. 
• Additionally, our adherence to ISO 9001 and ISO 13485 quality systems underscores our commitment to best practices in the handling of customer materials and the provision of reliable products.