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Oct 01, 2020 · Aliquots of the 4 and 25 mg/ml suspensions and control solutions were filtered by using four syringe filters, which differed by the membrane material and pore size (0.2, 0.45 µm). The filtrates were diluted with purified water (1:4 v/v for 4 mg/ml; 1:25 v/v for 25 mg/ml), mixed by vortex and then analysed in HPLC.
Syringe/Disc Filters The smaller conventional Corning® syringe disc-type filters (4, 15, 25, 26, and 28 mm diameter) are used with syringes which serves as both the fluid reservoir and the pressure source. They are 100% integrity tested. The HPLC-certified non-sterile syringe filters are available with nylon, regenerated
SPE/FLASH columns separate salt and sugar, while HPLC ones can make glucose, maltose and sucrose apart from the sugar solution.
Polyethersulfone (PES) membrane filters are hydrophilic, high flow rate and low non-specific protein adsorptive membranes. These properties make them excellent for the filtration of aqueous solutions as well as variouse solvents and pharmaceutical solutions. Available in pore sizes from 0.1 um to 0.45 um and multiple diameters, Sartorius is
• Use for all syringe filter applications • Luer-lock outlet easy connection • 3 to 20 mL capacities • Ultra-clean, high-purity plastic Syringe Filters Reduce: • Extraneous peaks • False quantitation • Sample co-elution • Instrument damage Polyethersulfone (PES) Membrane: • Hydrophilic membrane • Fast flow
Hydrophilic PES Membrane for HPLC . Descriptions. Hydrophilic PES membrane consists of pure polyether sulfone polymers without support. It can provide good mechanical strength, thermal stability and broad chemical compatibility. It’s applicable for pure water filtration, particles removal of HPLC aqueous mobile phase, preventing column clogging.
unfiltered sample. Take another 1 mL and filter through CLARIFY-NY Syringe Filters (Part No. AF8-6107-12). Inject both samples onto LC Column. For page 9: Centrifuge samples at 4700 RPM. Remove 1 mL and filter through CLARIFY-NY Syringe Filters (Part No. AF8-6107-12) and take another 1 mL and filter through a competitor syringe filter
The hold-up volume for 25 mm syringe filters can be in excess of 1 mL and can make filtration of samples smaller than 2 mL very difficult, if not impossible, to filter. There are three ways to reduce the hold-up volume in a syringe filter. 1. Use a 13 mm syringe filter designed specifically for small volumes instead of a 25 mm filter. 2.
1) Syringe filter housings are manufactured from solvent-resistant, low-extractable polypropylene resins specifically selected for wide compatibility with common HPLC sample matrices. 2) Solutions at temperatures up to 100°C can be filtered using syringe filters. 3) Syringe filters can be sterilized by autoclave at 125°C for 15 minutes.
Chromatography Direct is a leading international consumables supplier of high-quality chromatography, sample storage, mass spectrometry and laboratory products. We design, develop, manufacture, market and sell the best quality Chromatography and Mass Spectrometry consumables and accessories at unrivalled prices.
Millipore® membranes have supported laboratory filtration in academic, pharmaceutical, and industrial sectors since the 1950s. We provide a range of membrane chemistries including MF-Millipore® mixed cellulose esters, Durapore® PVDF, Millipore Express® PLUS polyethersulfone, as well as hydrophilic and hydrophobic PTFE.
chloroform. The lipid solution was filter-sterilized using 0.2 µm PTFE Millex® syringe filters. The organic solvent was removed under reduced pressure using a rotary evaporator and stored overnight under vacuum. A 20 mg/mL BSA stock solution in PBS at pH 7.4 was filter-sterilized using 0.2 µm PES Corning® syringe filters.
Waters offers Pall Life Sciences laboratory filters for sample and solvent filtration, including: HPLC sample filters in syringe filter format. Solvent filters in membrane disc format. Solvent filtration apparatus. A wide selection of membrane types and pore sizes to deliver the right lab filter for any sample type, and a broad range of device
Nov 15, 2018 · Membrane filters (47 mm × 0.45 μm) and syringe filters (13 mm × 0.2 μm) were obtained from Millipore (U.S.). HPLC analysis of AFB1 Extraction of AFB1 from liquid culture media
Premium PES syringe filter with PVDF syringe filters for different proteins at 0.5 mg/mL. D: Dimer, M: Monomer. Figure 3. Filtration recovery comparison of the Aijiren Captiva Premium PES syringe filter with PVDF syringe filters for myoglobin samples at different concentrations. D: Dimer, M: Monomer. 0 20 40 60 80 100 120