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商品編號


?EXOMS111A-8



品牌


SBI



公司


System Biosciences（SBI）



公司分類(lèi)


biomarker profiling



商品信息

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Overview:
Eavesdrop on the EV “surfeome”

Take advantage of powerful LC/MS proteomics approaches to study the
BIOLOG
y of surface-associated extracellular vesicle (EV) proteins (the surfeome) and to identify EV surface bio
Marker
s using
SBI
’s ExoMS
TM
Surface Protein Capture Kit (Tissue Culture). The kit provides a fast, well-validated, and robust method for selectively capturing surface and membrane-associated proteins from EVs that have already been isolated from tissue culture or biofluids other than serum or plasma, enabling proteomics studies of this important subset of EV proteins. Because of the low residual protein carryover delivered by this kit, you get increased detection of low-abundance bio
Marker
s that are often missed using tr
ADI
tional approaches.

Ensure that your exosomes are telling you everything with
SBI
’s ExoMS
TM
Surface Protein Capture Kit (Tissue Culture).



Unique—the only commercially available kit that specifically captures exosome surface and membrane proteins

Sensitive—removes many common contaminants from EV preps, such as albumin and IgG, for improved bio
Marker
detection by LC/MS

Compat
IBL
e—works with EVs isolated using a variety of methods including ExoQuick
TM
, ExoQuick
TM
PLUS, ultracentrifugation, and most column-based kits sold by other vendors

Fast—go from isolated sample to LC/MS in less than 5 hours

Flex
IBL
e—choose this kit for exosomes isolated from tissue culture or biofluids other than serum or plasma, the ExoMS Surface Protein Capture Kit (Serum/Plasma) for exosomes isolated from serum or plasma, or the ExoMS Total Protein Capture Kit to isolate all EV proteins from exosomes isolated from any biofluid


How It Works:
Delivering sensitive protein detection through reduced protein carryover


Our robust surface and membrane protein capture technology is based on a two-step biotinylation and bead capture method that efficiently sequesters surface and membrane proteins away from internal EV proteins. The result is a protein preparation significantly enriched in membrane-associated proteins (Figure 1).


?

Figure 1. Membrane-associated proteins are enriched in human serum EV samples processed with the ExoMS Surface Protein Capture Kit compared to samples processed with the ExoMS Total Protein Capture Kit
.

In addition, the ExoMS Surface Protein Capture Kit is able to deliver sensitive bio
Marker
detection through the use of a proprietary, affinity-based resin that traps many of the carryover-proteins commonly co-isolated with EVs, but which are not actually carried in or on the surface of EVs (Figure 2). Reduction of these protein contaminants, such as albumin and IgG, reduces their strong signal during mass spec analysis, enabling improved detection of more relevant but lower-abundance proteins.


?

Figure 2. Common carryover proteins are reduced in human serum EV samples processed with the ExoMS Kit compared to samples processed using a standard protocol
.