| FAQ | Category |  | 
		| Are all products available online? All catalog assays kits, assay consumables, assay development products, and inst...
 | Ordering |  | 
		| Are the Aß and Tau calibrators in the validated Human Aß42 and Human Total Tau kits native protein? The Total Tau assay is a recombinant Tau 441 protein expressed in E.coli. The A&...
 | Assays Ordering
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		| Can I backup the WORKBENCH Software database? Yes, the Workbench software comes with a backup utility that can be executed in ...
 | Instrument Software
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		| Can I cancel an order I placed online? Yes, but cancellations are handled individually depending on the production or s...
 | Ordering |  | 
		| Can I combine R-PLEX and U-PLEX with Prototype and/or T-PLEX Assays? Multiplexed U-PLEX and R-PLEX assays use Linkers to coat the plate with capture ...
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		| Can I conjugate proteins and antibodies with SULFO-TAG in my lab? MSD provides SULFO-TAG NHS-Ester and you can follow the straightforward conjugat...
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		| Can I denature the cell lysates? Yes, ionic detergents or urea can be used to denature proteins; however, these r...
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		| Can I develop my own phosphoprotein assays? Yes, immobilizing antibodies on bare plates and labeling detection antibodies is...
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		| Can I have my order shipped overnight? All MSD orders within the continental US are shipped overnight at no additional ...
 | Ordering |  | 
		| Can I increase my sample volume to improve the sensitivity of the assay? For the sample incubation step, most MSD assays use between 25-50 μL/well sam...
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		| Can I move an MSD instrument myself? Should your instrument need to be relocated, we can assist with the relocation a...
 | Instrument |  | 
		| Can I order additional calibrator for the Phospho-Akt (Ser473) Kits and Total Akt Kits? Can I order additional calibrator for the Phospho-Akt (Ser473) Kits and Total Ak...
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		| Can I order additional calibrators and/or detection antibodies? Yes. Many calibrators and labeled secondary reagents are listed on our website u...
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		| Can I provide a quote number online with a order? Yes, you can reference your quote number in the Special Instructions box du...
 | Ordering |  | 
		| Can I perform R-PLEX Singleplex assays on plates other than Small Spot Streptavidin plates? R‑PLEX Singleplex assays can be developed on any MSD streptavidin- or avidin-coa...
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		| Can I re-read a plate? No, once the plate has been read and the wells have been 'fired' through the ECL...
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		| Can I re-read a plate? No. Once the wells have been exposed to the electrochemiluminescence process, th...
 | Plates Instrument
 Software
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		| Can I run my samples un-diluted to increase sensitivity? For optimal performance, you should use the minimum sample dilution recommended ...
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		| Can I run tissue homogenates or other sample types with V-PLEX kits? MSD has not validated other sample types with the V-PLEX kits, but other sample ...
 | Assays |  | 
		| Can I save a shopping cart until my purchase order is ready? Yes, your shopping cart will be saved automatically if you sign out or leave the...
 | Ordering |  | 
		| Can I use 384-well plates with R-PLEX? You can use as little as 10 µL per well to coat a 384‑well plate. Calculat...
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		| Can I use a different PC than the one supplied with the instrument? No. Each computer MSD provides has been configured to a particular instrument so...
 | Software Instrument
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		| Can I use my own diluents and wash buffer when running R-PLEX assays? Diluents used to generate the reported data are recommended as starting diluents...
 | Assays |  | 
		| Can I use my own diluents and wash buffer when running R-PLEX assays? Diluents used to generate the reported data are recommended as starting diluents...
 | Assays |  | 
		| Can I use the same calibrator when testing sample types other than serum, plasma, or urine? Yes, the same calibrator and thus the same calibration curve can be used for mul...
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