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56 protocols using pyris software

1

Thermogravimetric Analysis of PVA, Sorbitol, and Paracetamol

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The thermogravimetric analysis (TGA) was performed with a TGA4000 Thermo-gravimetric Analyzer (PerkinElmer, Waltham, MA, USA) to measure the water content and the degradation temperature of the raw materials (PVA, sorbitol, and paracetamol), the physical mixture, the granules and the filaments, containing PVA, sorbitol, and paracetamol. The samples (about 20 mg) were accurately weighed and placed in an aluminum pan. The samples were heated from 40 °C to 800 °C at a heating rate of 10 °C/min under 20 mL/min argon gas for purging. The data were recorded and analyzed with Pyris TM software (PerkinElmer, Waltham, MA, USA).
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2

Thermal Analysis of PVA, Sorbitol, and Paracetamol

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Differential scanning calorimetry (DSC) 4000 system (PerkinElmer, Waltham, MA, USA) was used to analyze the thermal properties of the raw materials (PVA, sorbitol, and paracetamol), the physical mixture, and the filaments containing PVA, sorbitol, and paracetamol. The samples (approximately 10 mg) were accurately weighed and placed in an aluminum pan. The experiments were conducted under an argon environment (flow rate 20 mL/min). The samples were cooled up to −70 °C with an IntraCooler III cooling accessory and heated from −70 °C to 200 °C at a heating rate of 10 °C/min. The data were processed with Pyris TM software (PerkinElmer, Waltham, MA, USA).
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Thermal Analysis of Amorphous Powders

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Thermal analysis of the powders was carried out by using a differential scanning calorimeter (DSC 8500, PerkinElmer, Waltham, MA, USA). Analysis was carried out to determine the thermal properties and in particular the glass transition temperature (Tg) of amorphous freeze-dried powders with and without the hop extract. Instrument calibration was performed using indium. An aliquot of the powder accurately weighed (ca. 5–7 mg) was placed into DSC aluminium pans (50 μL, PerkinElmer) and hermetically sealed with pierced aluminium lids to allow evaporation of residual water upon heating scan measurement. Samples were heated from 20 °C up to a maximum of 200 °C at 5 °C/min and cooled at 10 °C/min to the initial temperature. A second heating scan at 5 °C/min was used to determine the onset and change of specific heat at Tg (ΔCp) using the PyrisTM software (PerkinElmer). The maximum temperature in the thermal analysis cycle was set depending on the sample moisture content.
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4

Thermal Stability and Porosity of MWCNTs

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Thermal stability of MWCNTs were determined using a thermogravimetric analyzer (PerkinElmer TGA 4000, Llantrisant, Wales, UK). MWCNTs samples were heated from 30 °C to 950 °C under nitrogen gas purging environment at a constant flow rate of 20 mL/min and temperature ramp of 10 °C/min. Thermograms were generated as percentage weight loss vs. temperature and processed using PyrisTM software (PerkinElmer, Llantrisant, Wales, UK).
A porositometric analyzer (Micromeritics, ASAP 2020, Norcross, GA, USA) was employed to determine the porositometric properties of the pristine and functionalized MWCNTs. Sample was loaded in a sample tube, degassed and analysed by the Brunauer-Emmett-Teller (BET) N2 gas adsorption method at 77 K.
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5

Thermal Stability Analysis of MWCNTs

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Thermogravimetric analysis of MWCNTs was employed to determine thermal stability of MWCNTs using a TGA4000 thermogravimetric analyzer (PerkinElmer Instruments, Llantrisant, Wales, UK). MWCNTs samples were subjected to a temperature range from 30 °C to 950 °C under a purging environment of nitrogen gas. The gas flow rate was set to 20 mL·min−1 and temperature ramp to 10 °C·min−1. Thermograms were generated as percentage weight loss vs. temperature. The raw data was processed using PyrisTM software (PerkinElmer, Llantrisant, Wales, UK).
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6

Thermal Analysis of Bioactive Glass

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Differential thermal analysis (DTA) of the bioactive glass powders was performed to determine their characteristic temperatures. All samples were loaded into platinum crucibles and heated from room temperature to 1200°C at a rate of 10°C/min in a Perkin–Elmer Diamond DTA/TG. The DTA patterns were processed using Pyris software (Perkin‐Elmer, USA) and MjoGraph software (Ochiai Laboratory, Yokohama National University, Japan). Glass transition temperatures (Tg), onset of crystallization temperatures (Tc) and peak crystallization temperatures (Tp) were determined from the data as described by Clupper and Hench (2003).
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7

Thermal Analysis of Structured Lipids

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Melting and crystallization profiles were determined for structured TAGs and PPP using a differential scanning calorimeter (DSC model DSC7, Perkin-Elmer Co., Norwalk, CT). The method of Lee and others was used41 , with minor modifications: indium and n-decane were used as standards. Samples were weighed in aluminum pans and ranged from 8 to 12 mg. To destroy any previous crystalline structures, samples were heated from 25 to 80 °C at 50 °C /min and held for 10 min. For crystallization profiles samples were then cooled from 80 to 55 °C at 10 °C/min and held for 30 min. To get melting profiles the samples were then heated from 55 to 80 °C at 5 °C/min. Dry ice and acetone were used as the coolants. The thermograms were analyzed using DSC (Pyris software, Perkin-Elmer, Shelton, CT).
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8

Differential Scanning Calorimetry Analysis of Wax Melting

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Example 6

The melting and crystallization properties of the waxes were analyzed using a differential scanning calorimeter (DSC-7, Perkin-Elmer, Norwalk, Conn.,) equipped with an Intracooling II system. Solid wax (about 10 mg) was weighed into a steel pan (Perkin-Elmer) and the pan was sealed. A blank steel pan was used as reference. The temperature program started with a 10-min hold at 20° C., followed by 20° C./min heating to 200° C. and a 5-min hold at 200° C. The melting point peak was captured during the heating step and calculated using Pyris software (Perkin-Elmer, Norwalk, Conn., USA). The peak was then used to compare with that of the control. Three replicates from each wax sample were measured.

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9

Thermal Analysis of Materials

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TG analysis was performed on the TG analyzer (STA6000, Perkin Elmer, WLM, MA, USA). The sample (2 mg) was placed in an alumina crucible and heated to 500 °C at 10 °C/min with a continuous pure air flow at 10 mL/min. The obtained thermal curves were processed and graphically represented using the dedicated Pyris software from PerkinElmer Instruments. The mass change and its change rate were determined by TG curve and derivative thermogravimetric analysis (DTG) curve, respectively. The onset temperature of the thermal decomposition was calculated from the respective TG curves and DTG curves.
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10

Thermal Analysis of ATRA-TPGS Micelles

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To confirm the entrapment of ATRA inside the micelles, DSC analysis was performed. The thermal properties of lyophilized ATRA-TPGSs, free ATRA and TPGS, and of physical mixtures of the raw materials in equal ratios to those in the prepared ATRA-TPGSs were studied using DSC-7 equipped with Pyris software (PerkinElmer, Inc.,Waltham, MA, USA). The instrument was calibrated with Indium and Zinc and about 4 mg of samples were crimped in aluminum pans. The thermograms were recorded from 10 to 250 °C at a heating rate of 10 °C/min under nitrogen flow.
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