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How should I handle waxy or low-melting point solids?
Compounds with relatively low melting points will often appear to be either waxy or sticky solids. These materials are difficult…
Tue, Jul 18, 2023
How should I dissolve a peptide and store aliquots?
Peptides should be stored at -20 °C for maximum stability. Because peptides are often hygroscopic, and water content can significantly…
Tue, Jul 18, 2023
The datasheet for my compound states that it will dissolve at a certain concentration, but I still see solid material. What should I do?
In most cases the speed at which a crystalline solid will dissolve is dependent upon three main factors, the affinity…
Tue, Jul 18, 2023
My compound dissolved well into DMSO, but when I tried to dilute this DMSO stock solution with aqueous media precipitate formed. What should I do?
It is common for compounds to precipitate when a stock solution in a solvent such as DMSO is diluted with…
Tue, Jul 18, 2023
The datasheet for my compound states to add BSA or serum to the aqueoussolution before attempting to dilute my stock solution. Why is this suggested?
BSA and other serum albumins are natural carrier proteins for hydrophobic small molecules such as hormones and fatty acids. They…
Tue, Jul 18, 2023
How can I dissolve lipids for use in cell culture or other biological experiments?
Most lipids are strongly hydrophobic compounds, and working with them in an aqueous media such as for cell or tissue…
Tue, Jul 18, 2023
How should I store my peptide?
Please store any product as received according to storage recommendations listed on the product website, dataheet, or product label. Peptides…
Tue, Jul 18, 2023
Do vasopressin kits work on other sample types other than culture supernatants?
Cited sample types include cerebrospinal fluid (CSF), culture supernatants, feces, plasma, saliva, serum, tissue lysate, and urine. In general, the…
Tue, Jul 18, 2023
What type of column can be used for oxytocin extraction?
Solid phase extraction (SPE) can be performed using reverse phase C18 columns containing 200 mg of sorbent and a volume capacity…
Tue, Jul 18, 2023
Is extraction of oxytocin necessary prior to using the Oxytcin ELISA kit?
Oxytocin ELISA kit does require extraction from serum and plasma. This extraction is required because of matrix interference with serum…
Tue, Jul 18, 2023