First Strand cDNA Synthesis Kit
Optimal first strand cdna synthesis kit performance should be determined experimentally by the investigator.
2x PCR PreMix (Red Dye)
The cheapest PCR Master Mixes for genotyping in the market with the cheapest Taq DNA polymerase ($1250 for 50000 units). Unbeatable price of bulk PCR Master Mixes. Buy our low cost PCR master mixes now!
SARS-CoV-2 Spike RBD Monoclonal Antibody
Monoclonal SARS-CoV-2 spike antibody as the human IgG antibody positive control for serological assays for qualitative detection or semi-quantitative measurement of human IgG antibodies specific to the SARS-CoV-2 spike protein, S1 subunit in serum or...
SARS-CoV-2 IgG ELISA Kit (N Protein)
Condition of sample preparation and optimal sample dilution should be determined experimentally by the investigator.
SARS-CoV-2 IgG ELISA Kit (S Protein)
Condition of sample preparation and optimal sample dilution should be determined experimentally by the investigator.
Biotinylated Recombinant SARS-CoV-2 Spike RBD-Fc-Avi
His-tagged and Fc-fused SARS-CoV-2 S1 RBD proteins are available. Please ask for a quote if you need S1 RBD protein mutants or a protein with different modification or components.
Protein A Beads
Conditions of optimal Protein A bead performance in applications should be determined by the end user.
Terms & Conditions
Terms & Conditions Any person who uses this website, Ushelf.com or Ushelf, for any purpose is a “User”, or “you” mentioned below, of Ushelf. Before you use this website, you must carefully read and completely accept...
How to make D-luciferin potassium salt?
How to make D-luciferin potassium salt? There are D-luciferin free acid, D-luciferin potassium salt, and D-luciferin sodium salt in the market. Our synthetic D-luciferin potassium salt (catalog No. MB000102-R70170 or MB102) is purified to remove...
What is D-luciferin?
D-Luciferin is the small molecule substrate for the enzyme Luciferase producing bioluminescence or light. There are many types of luciferin and analogs in nature or created by chemical synthesis.