Peptide/Protein Conformation and Stability Conformation can be an important factor in peptides as well as proteins and, thus, should always be a consideration when choosing the conditions for chromatography. Although secondary structure (e.g., -helix) is generally absent even in benign (nondenaturing) aqueous conditions for small peptides (up to about 10 residues), the potential
Screw thread vials & closures for HPLC, GC, MS applications. There’s a Thermo Scientific screw top vial for every HPLC, GC, MS instrument, application, and budget. Our screw top clear and amber glass vials and plastic screw top vials are available in 8mm, 9mm, 10mm, and 13mm screw threads. The most commonly used vials are 9mm, 12x32mm screw
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Buffers and Eluent Additives for HPLC Method Development. Modern HPLC method development is dominated by a small number of pH adjusting reagents and/or buffers, that are prevalent even when the method uses UV detection. This is driven primarily by the requirements of mass spectrometry. These pH adjusting reagents and buffer combinations are
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28 Aug 2017. Investigating (and solving) robustness issues in HPLC. Not every method is as we would hope it would be. Some methods come to us in imperfect form and we have to ‘live with them’, whilst others are difficult separations and by necessity need to be developed using close control of several variables such as eluent pH, eluotropic
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The most commonly used HPLC column today is the C18 (ODS) and our Cogent RP™ C18 is our Most Popular column for Reversed Phase HPLC. Made with world class, high purity silica and a bonding technology that has been worked out over many years, these columns are among the finest, most reliable C18 phases available.
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Screw Top 10mm Amber Type 1 Glass 1.5mL HPLC Autosampler Vials w/ Writing Patch - Pack of 300 TSH-CV1877 $73.99 Cap Type Screw Top Cap Size 10mm Vial Size ND10 Cap Thread Size 10-425 Color Amber Material USP Type 1 Borosilicate Glass Working Volume (mL) 1.5mL Working Volume (μL) 1500 μL Bottom
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