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Life Sciences Products
My order arrived at room temeprature, but the label on the product states it should be stored at -20°C. Is the product still good?
Recommended storage conditions and shipping conditions may differ for certain products. The storage temperatures that we indicate on our vial…
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
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
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 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
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
How should I dissolve the compound I purchased from you?
The product datasheet for the specific product includes information on the compound's solubility. Many compounds that are not directly soluble in water…
Tue, Jul 18, 2023
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
The datasheet for the product I purchased states that it is provided as an oil. How can I transfer or pipette the amount of material that I need?
Most of our lipid products are supplied neat (i.e., they are not dissolved in a solvent) and will appear as…
Tue, Jul 18, 2023
Does the Vasopressin ELISA kit work with saliva samples?
We have not tested saliva in-house with this kit. However, several researchers have shared with us the protocol described below for using that…
Tue, Jul 18, 2023