DSC analysis was performed in a TA Instruments DSC (model Q20, TA Instruments, New Castle, DE, USA) with a hermetic aluminum pan. The pans were hermetically sealed after being filled with approximately 1.5 mg of the starch sample and 5 µL of distilled water. The temperature ranged from 30 to 100 °C, with a heating ramp of 10 °C/min, and the experiment was carried out in a nitrogen atmosphere.
Dsc model q20
Manufactured by TA Instruments
Sourced in United States
The DSC model Q20 is a differential scanning calorimeter manufactured by TA Instruments. It is designed to measure the heat flow in and out of a sample as a function of temperature or time under a controlled atmosphere. The Q20 provides quantitative and qualitative information about physical and chemical changes in materials, including melting, crystallization, glass transitions, and other thermal events.
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Lab products found in correlation
4 protocols using dsc model q20
1
Starch Gelatinization by DSC
2
Starch Gelatinization Analysis by DSC
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Starch gelatinization was evaluated using a differential scanning calorimeter (DSC model Q20; TA Instruments, New Castle, DE, USA), as described by Hart Weber et al. (20 ), with modifications. For that, 2.0 mg (on dry basis) sample was weighed into aluminum pans and 6 μL distilled water were added. The pans were hermetically sealed and held for 12 h at room temperature, and then brought to the equipment where they were subjected to a heating cycle from 40 to 120 °C at a rate of 10 °C/min. An empty hermetically sealed aluminum pan was used as a reference, the DSC cell was calibrated with indium, and the experiment was performed under a dynamic nitrogen atmosphere (50 mL/min).
3
Thermal Analysis of Berberis Extract
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The DSC thermographs were obtained by taking 2–5 mg of the sample in a crimp aluminum pan. The DSC model Q20 of TA Instruments, New Castle Delware, DE, USA was used in the analysis. DSC thermographs of freeze-dried Berberis extract, freeze-dried Berberis extract-loaded SLNs, and Compritol® 888 ATO were recorded over a temperature range, which varied from 30 °C to 350 °C at a heating rate of 10 °C/min.
4
Thermal Characterization of Materials
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DSC analysis were conducted in a calorimetric cell DSC model Q20 (TA Instruments) in the range of 30 to 350 °C. TG analysis were conducted in a thermo-balance TGA/DTA 7300 (SII Nano Technology, Japan) in an interval from 30 to 500 °C. Both analyses were conducted using approximately 3 mg of sample and opened aluminum crucible with heating rate of 10ºC. min -1 at a flow of 50 mL.min -1 of nitrogen (purity (2020) 92(1) e20181021 4 | 11 over 99.995%). Both tequipments were calibrated using a standard metallic indium.
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