Reax 2
The Reax 2 is a laboratory shaker designed for gentle mixing and agitation of samples. It features a compact and sturdy construction, allowing for reliable and consistent performance in laboratory settings.
14 protocols using reax 2
Feather Extraction for Analyte Analysis
Extraction and Analysis of E-Liquids
For NMR analysis, 1 mL of an e-liquid was extracted five times using n-hexane/ethyl acetate (99:1, v/v). The combined supernatants were evaporated to dryness and resulted in 4 mg of a raw extract containing 5F-Cumyl-PINACA, which was used for structure elucidation by NMR spectroscopy.
Extraction of Milk Contaminants
Extraction of HGA, MCPrG and their metabolites from raw milk
Extraction of Birch Pollen Proteins
Activated Sludge Floc Disintegration
Astacus reagent ultrapure water system (P/N 110-000, membraPure, Henningsdorf, Germany)
8-Channel pipette, variable volumes (20 - 200µL) (P/N 613-5252, VWR, Darmstadt, Germany), for reagent and sample dosage into the plate wells
End-over-end shaker (REAX2, Heidolph, Berlin, Germany) for coarse dispersion of the sludge samples
Ultra-sonication bath (BANDELIN Electronic, Germany), frequency 35 kHz, operated at 70% of the maximum energy output, for the fine dispersion and disintegration of activated sludge flocs.
Synergy HT plate reader (Bio-Tek Instruments, Bad Reichenhall, Germany), controlled by the Gen5 software (Bio-Tek Instruments), for microplate reading of the 4-MUF fluorescence at excitation wavelength of 360 nm and emission wavelength of 460 nm. Gain settings (70 – 60) depended on sludge dilution, substrate concentration and recording period. Main fixed operation parameters were: top optics position with a top probe vertical offset of 1.00 mm, normal read speed, and thermostatic control of the plates at 30°C.
Recrystallization of S-layer Proteins on Emulsomes
Quantifying Nitrate and Ammonium in Soil
pH values of soil solutions (extraction with 0.01M CaCl2) were measured with a pH meter (Ino Lab pH 720, WTW 82362 Weilheim, Germany).
Statistical comparisons were done with ANOVA and Tukey HSD Test, using SPSS version 20. The model included the factors “treatment”, “soil habitat”, their interaction, and “block” as a random factor. The main effect of factors “mineral-N” and “Manure” was also tested.
Polystyrene Foam Preparation via Powder Mixing
Peanut Roasting and Oil Extraction
Pharmaceutical Adsorption Experiments
Control experiments, i.e. the pharmaceutical solution in absence of adsorbent, were run in parallel. All experiments were run in triplicate.
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