| 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 |  | 
	
		Can I backup the WORKBENCH Software database? Yes, the Workbench software comes with a backup utility that can be executed in ... | Instrument Software |  | 
	
		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 ... |  |  | 
	
		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... | Assays |  | 
	
		Can I denature the cell lysates? Yes, ionic detergents or urea can be used to denature proteins; however, these r... | Assays |  | 
	
		Can I develop my own phosphoprotein assays? Yes, immobilizing antibodies on bare plates and labeling detection antibodies is... | Assays |  | 
	
		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... | Assays |  | 
	
		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... | Assays |  | 
	
		Can I order additional calibrators and/or detection antibodies? Yes. Many calibrators and labeled secondary reagents are listed on our website u... | Reagents Diluents Buffers |  | 
	
		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... | Assays |  | 
	
		Can I re-read a plate? No, once the plate has been read and the wells have been 'fired' through the ECL... | Instrument |  | 
	
		Can I re-read a plate? No. Once the wells have been exposed to the electrochemiluminescence process, th... | Plates Instrument Software |  | 
	
		Can I run my samples un-diluted to increase sensitivity? For optimal performance, you should use the minimum sample dilution recommended ... | Assays |  | 
	
		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... | Assays |  | 
	
		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 |  | 
	
		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... | Assays |  |