FAQs COA Search About Us Custom Media Contract Manufacturing Contact Us Shop Our Products Featured Products Promotions FAQs General FAQs G-1. Are your products environmentally friendly? G-2. Where can I find Certificates of Analysis, SDSs and product information? G-3. Where do I find product change notifications? Cell Biology FAQs CB-1. Should I supplement Quality Biological serum-free media (SFM) with L-glutamine prior to use? If so, what should be the final concentration of L-glutamine? CB-2. How stable are your sera and basal media? CB-3. What is the pH of your Cell Culture Grade water? CB-4. How do I adapt my cells from a serum-containing medium to one of your serum-free media (SFM)? CB-5. I am interested in your custom cell biology products. What are your minimum requirements for customized reagents? CB-6. Why does trypsin turn yellow in color from the normal pink color? Is the product still good to use? Molecular Biology FAQ‘s MB-1. What is the pH of your DEPC-treated Water and Molecular Biology Grade Water? MB-2. What is the difference between your SOC and SOB media? MB-3. What is the difference between your Lennox L and Luria-Bertani media? MB-4. What is the formulation of your TE buffers? MB-5. Is your Prehybridization/Hybridization buffer qualified for RNA? MB-6. How do you remove DEPC from your DEPC-treated water? MB-7. What are the compositions of your RNA, DNA, and SDS-Protein Gel Loading Solutions? MB-8. Where do xylene cyanole (XC) and bromophenol blue (BPB) dyes migrate in agarose gel electrophoresis? Where do these two tracking dyes migrate in a polyacrylamide gel? MB-9. What is the formulation of your RNA Gel Buffer (10X MOPS Buffer)? MB-10. Why do you not put formamide in your gel loading solutions? MB-11. I understand that Quality Biological, Inc., can manufacture custom agar plates. What is your minimum number of plates for a custom order? What size plates do you use and what are their fill volumes? What is the turn-around time? MB-12. What is the composition of your ACK lysing buffer? Still have questions? Contact our Technical Service Department Email sign-up. Sign up to receive our latest promotions and company updates free. Email Send About Us Our Mission What We Do Certifications Community Presence Custom Media Overview Contract Manufacturing Overview Contact Us Get In Touch Careers Forms Shop Our Products COA Search Promotions Featured Products © 2021 Quality Biological Privacy Policy Safe & Secure Shopping Terms & Conditions Delivery Information Satisfaction Guarantee Returns Policy Built by Scale