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一般說明
The Direct Detect infrared (IR)-based quantification system is an innovative combination of software-controlled instrumentation and EMD Millipore Corporation’s advanced membrane technology, optimized for the detection and quantification of proteins. Biomolecules are applied directly to a card-based hydrophilic polytetrafluoroethylene (PTFE) membrane that is transparent in most of the infrared spectral region. The Direct Detect system measures amide bonds in protein chains, accurately quantifying an intrinsic component of every protein without relying on amino acid composition, dye binding properties, or redox potential. Protein concentrations from 0.2 to 5 mg/mL can accurately be determined from a minimal sample volume (2 μL) without bio- or immuno-chemical staining. Sample analysis takes only minutes and in most cases can be performed directly from the buffered or native solution.
成分
1 Direct Detect Spectrometer
1 Instrument power adapter with 4 power cord/plug configurations (EU, UK, US, Japan)
1 Data cable (crossover cable for 10Base-T Ethernet standard, with RJ45 connectors)
1 Dell Netbook computer with Direct Detect software installed
1 Computer power adapter with world-wide plug adapter
1 Netbook stand
Direct Detect Assay-free cards (package of 50)
1 Direct Detect spotting tray
1 Desiccant pack replacement
1 Torx TX20 screw driver for replacing the IR source
1 Direct Detect Spectrometer Quick Start Card
1 Instrument power adapter with 4 power cord/plug configurations (EU, UK, US, Japan)
1 Data cable (crossover cable for 10Base-T Ethernet standard, with RJ45 connectors)
1 Dell Netbook computer with Direct Detect software installed
1 Computer power adapter with world-wide plug adapter
1 Netbook stand
Direct Detect Assay-free cards (package of 50)
1 Direct Detect spotting tray
1 Desiccant pack replacement
1 Torx TX20 screw driver for replacing the IR source
1 Direct Detect Spectrometer Quick Start Card
法律資訊
DIRECT DETECT is a registered trademark of Merck KGaA, Darmstadt, Germany
商品
Learn how total protein quantitation with an infrared spectrometer may be a more accurate and universal alternative to Bradford, BCA, or UV-based methods.
实验方案
Purification protocols for immunoglobulins generally include affinity binding to Protein A or G chromatography media, washing unbound proteins, and eluting with a low pH buffer.
免疫球蛋白纯化方案通常包括与Protein A或Protein G层析介质的亲和吸附、未吸附蛋白洗涤以及低pH缓冲液洗脱。
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