The thermal degradation of ethyl cellulose films was characterized using a thermogravimetric analyzer (TGA/DSC1, Mettler Toledo AG (MTANA), Zürich, Switzerland). The dried films (~ 20 mg) were placed on a ceramic pan and heated from 25 °C to 600 °C. The heating rate was 10 °C·min−1 using a furnace under a dry N2 purge of 50 mL·min−1. Differential scanning calorimetry (TGA/DSC1, Mettler Toledo AG (MTANA), Switzerland) was used to determine the glass transition (Tg) and melting (Tm) temperatures of the films.
Tga dsc1
Manufactured by Mettler Toledo
Sourced in Switzerland, United States, China, Germany, Brazil
The TGA/DSC1 is a thermal analysis instrument that combines thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) capabilities. It is designed to measure changes in a sample's mass and thermal properties as a function of temperature or time under controlled atmospheric conditions.
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Lab products found in correlation
D8 advance, by Bruker (4 mentions)
Ultima 4, by Rigaku (3 mentions)
Nicolet 6700, by Thermo Fisher Scientific (3 mentions)
Jsm 7401, by JEOL (2 mentions)
Dsc1 apparatus, by Mettler Toledo (2 mentions)
S 4800, by Hitachi (2 mentions)
Jsm 7001f, by JEOL (2 mentions)
Asap 2460, by Micromeritics (2 mentions)
Tma7000, by Hitachi (2 mentions)
Ft 900, by Julabo (2 mentions)
Dsc821e module, by Julabo (2 mentions)
Mettler stare system, by Mettler Toledo (2 mentions)
Star software, by Mettler Toledo (2 mentions)
Dsc 822e, by Mettler Toledo (2 mentions)
Su8020, by JEOL (2 mentions)
Alpha 300, by WITec (2 mentions)
Jem 2100f, by JEOL (2 mentions)
Dsc 821e, by Mettler Toledo (2 mentions)
Quantera 2, by Physical Electronics (2 mentions)
Escalab 250xi, by Thermo Fisher Scientific (2 mentions)
140 protocols using tga dsc1
1
Thermal Characterization of Ethyl Cellulose Films
2
Quantifying SiO2 Content in Hybrid Materials
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The amount of deposited SiO2 content was determined using thermogravimetric analysis (TGA) using the TGA/DSC I from Mettler Toledo. Portions of a 119.9–121.4 mg (125.8 ± 3.1 mg) sample were weighed into a 900 µL alumina crucible, and thermal analysis was performed under synthetic air (50 mL/min). A heating rate of 5 K/min in a temperature range from 30 to 800 °C was performed. The relative mass of the remaining residue is the proportion of SiO2 to the mass of the hybrid material.
3
Thermal Analysis of LAA, HP-β-CD, and their Nanoformulation
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The thermal properties of LAA, HP-β-CD, and LAA/HP-β-CD-NF were evaluated using a TGA/DSC thermal analyzer (Mettler Toledo, model: TGA/DSC-I, Columbus, OH, USA). The TGA thermograms were acquired from 25 °C to 700 °C, under a nitrogen atmosphere, at a heating rate of 10 °C/min. DSC thermograms were recorded simultaneously.
4
Thermal Stability of Polymeric Micelles
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TGA measurements were carried out in order to investigate the thermal stability of polymeric micelles. Investigations were performed with a METTLER-Toledo TGA/DSC 1 (Mettler-Toledo GmbH, Gießen, Germany). Then, 5 ± 0.2-mg was measured into aluminum pans, closed and inserted into the furnace. The furnace was heated up from 25 °C to 275 °C with 10 °C/min heating rate and we measured the thermic changes in the sample. The results were evaluated using STARe Software.
5
Comprehensive Characterization of Nanomaterials
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Scanning electron microscope (SEM) images were obtained by a high-resolution scanning electron microscope (JEOL, JSM-7401, JEOL Ltd., Akishima-shi, Japan) at 3.0 kV. Transmission electron microscopy (TEM) experiments were performed on a high-resolution transmission electron microscope (JEOL, TEM, exited at 100 kV, JEOL Ltd., Akishima-shi, Japan) equipped with selected area electron diffraction (SAED). X-ray diffraction (XRD) was recorded on a Rigaku D/Max-RB diffractometer (Rigaku Corporation, Tokyo, Japan) with CuKα radiation at 40 kV and 120 mA. Thermogravimetric analysis (TGA) was carried out using a thermogravimetric analyzer (METTLER TOLEDO, TGA/DSC-1, Mettler-Toledo GmbH, Switzerland) from 30°C to 600°C at a heating rate of 10°C min−1 in N2. Raman spectra were characterized by a JY Horiba Raman (Aramis, Horiba, Ltd., Minami-ku Kyoto, Japan) under 514-nm laser for the accumulation intensity of three-time scan.
6
Thermal Stability Analysis of Celluloses
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The thermal stability of original MCC and regenerated celluloses was determined using a Mettler Toledo TGA/DSC1 thermogravimetric analyzer (Mettler-Toledo Ltd, Port Melbourne, Victoria, Australia). The samples (ca. 4 mg) were loaded into 70 μL alumina crucibles with a cap with a pinhole and heated from 30 °C to 750 °C at 10 °C/min under nitrogen environment. Each test was performed in triplicate.
A C C E P T E D M A N U S C R I P T 9
A C C E P T E D M A N U S C R I P T 9
7
Thermal Stability Evaluation of Polymers
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Thermogravimetric
analysis (TGA) experiments to evaluate the thermal stability of the
respective polymers both in air and N2 (flow rate of 50
mL/min) were performed using a Mettler Toledo DSC/TGA 1 equipped with
a water-cooling system. To capture the mass loss as a function of
temperature, a ∼4–10 mg polymer sample in 70 μL
alumina pans was heated from 25 to 700 °C at a ramp rate of 10
K/min. The temperature calibration for the onset and peak temperatures
of the degradation process was performed using the melting transitions
of indium and aluminum.
analysis (TGA) experiments to evaluate the thermal stability of the
respective polymers both in air and N2 (flow rate of 50
mL/min) were performed using a Mettler Toledo DSC/TGA 1 equipped with
a water-cooling system. To capture the mass loss as a function of
temperature, a ∼4–10 mg polymer sample in 70 μL
alumina pans was heated from 25 to 700 °C at a ramp rate of 10
K/min. The temperature calibration for the onset and peak temperatures
of the degradation process was performed using the melting transitions
of indium and aluminum.
8
FTIR and TGA Characterization of Samples
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FTIR (Tensor II, Bruker, Germany) in a range of 4000 to 400 cm−1 was performed to assay the functional groups as well as the chemical and structural changes of the samples. TGA (DSC/TGA1, Mettler Toledo, Switzerland) was to study the thermostability of the samples. Hence, thermograms from 30 to 600 °C were plotted to evaluate the thermostability of the samples.
9
Thermal and Spectral Analysis of DTX-NPs
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The endothermic melting temperatures of DTX, PLGA, TPGS, and DTX-NPs were obtained using a TGA/DSC1 (Mettler-Toledo GmbH, Greifensee, Switzerland) [36 (link)]. The scan range of the samples was from 20 to 250°C at a rate of 10°C/min.
FTIR (Alpha-P; Brucker Optik, Ettligen, Germany) [36 (link)] was used to evaluate the chemical interactions of DTX, PLGA, TPGS, and DTX-NPs at a spectra ranging from 500 to 4,000 cm–1.
FTIR (Alpha-P; Brucker Optik, Ettligen, Germany) [36 (link)] was used to evaluate the chemical interactions of DTX, PLGA, TPGS, and DTX-NPs at a spectra ranging from 500 to 4,000 cm–1.
10
Thermal Characterization of Materials
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The investigated materials have either been tested as delivered, or, if necessary, were mixed and stirred at a temperature above their melting point for at least 30 min. The following devices have been used for DSC measurements: The Mettler Toledo DSC 823e (Nänikon, Switzerland) with FRS 5+ sensor (Mettler Toledo, Nänikon, Switzerland) and TC100 Intracooler (Huber Kältemaschinenbau AG, Küsnacht, Switzerland), the Mettler Toledo DSC 3+ (Nänikon, Switzerland) with FRS 6+ sensors (Mettler Toledo, Nänikon, Switzerland) and both TC45/100 Intracoolers (Huber Kältemaschinenbau AG, Küsnacht, Switzerland). For the TGA measurements, a TGA/DSC 2, TGA/DSC 3+ and TGA/DSC 1 from Mettler Toledo all equipped with a DTA or DSC sensor were used. Equipment is shown in Supplementary Figure S1 .
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