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Year 2024
OmpA Signal for Protein Expression
The OmpA signal peptide is a 21-amino acid sequence that targets fused proteins to the…
Isopycnic Centrifugation
In isopycnic separation, also called buoyant or equilibrium separation, particles are separated solely on…
High-cell-density cultivation (HCDC)
High-cell-density cultivation (HCDC) is a process that improves the formation of microbial biomass and products. It…
Is Kozak sequence essential for transgene expression in lentivirus?
Yes, a Kozak sequence is essential for efficient translation and transgene expression in lentiviruses: …
Primers and probes used for rAAV quantitative analysis
Applicability Target Sequences UniversalAll rAAV samples ITR2 primers: 5′-ggaacccctagtgatggagtt-3′ and5′-cggcctcagtgagcga-3′;probe: R-5′-cactccctctctgcgcgctcg-3′-Q. Semi-universalGroup of rAAV…
Quantification for residual host cell DNA contamination in the rAAV prep via qPCR or ddPCR analysis targeting highly repetitive genome sequences
DNA Impurity Target Sequences Plasmid KanR primers: 5′-gggcgcccggttctttttgtc-3′ and5′-gccagtcccttcccgcttcagtg-3′. AmpR primers: 5′-cgcgccacatagcagaactt-3′ and5′-cgccccgaagaacgttt-3′;probe: R-5′-aaaagtgctcatcattg-3′-Q;and…
How to protect RNA from degradation?
To protect RNA from degradation, you can: RNA is prone to enzymatic degradation and…
What is the main reason for RNA being unstable?
Unlike DNA, RNA is usually single-stranded. Additionally, RNA contains ribose sugars rather than deoxyribose sugars,…
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