Aluminum hermetic pans

Manufactured by TA Instruments

Aluminum hermetic pans are designed for use in thermal analysis instrumentation. They provide a sealed environment for samples during measurements, helping to maintain sample integrity and prevent contamination.

Automatically generated - may contain errors

Lab products found in correlation

Dsc q100, by TA Instruments (4 mentions) Dsc q2000, by TA Instruments (2 mentions)

6 protocols using aluminum hermetic pans

Phytoglycogen-Ibuprofen Complex Characterization

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Example 6

To prepare phytoglycogen-ibuprofen complex, ibuprofen, phytoglycogen and DMSO were mixed in a ratio of 1:3:6 or 1:5:10 by weight. The resulting pastes were placed in vacuum to remove DMSO and the collected solids were ground into powder. Meanwhile, ibuprofen was treated using DMSO in a similar manner (dissolving in DMSO followed by solvent removal) and the solid collected was used in preparing several control samples. Dry mixes of phytoglycogen and original or DMSO-treated ibuprofen were prepared. These materials were used for DSC and X-ray powder diffraction analysis.

For DSC analysis, each solid were weighted and sealed into PerkinElmer aluminum-hermetic pans and subjected to DSC Q2000 (TA Instruments) with scanning rate of 20° C./min over 0 to 250° C. Each DSC curve was normalized using the weight of ibuprofen. For X-ray powder diffraction analysis. Solid powders were weighted and analyzed using Shimadzu XRD-6000 X-ray powder diffractometer equipped with a Bragg-Brentano optical setup. Samples were scanned with a step size of 0.08° from 5 to 40° 20. The DSC and X-ray diffraction analysis results are shown in FIG. 6. Evidently, the complexation of phytoglycogen with ibuprofen led to significantly reduced or negligible crystal amount in the ibuprofen-containing solids.

US11052153B2. Highly branched alpha-D-glucans (2021-07-06). Purdue Research Foundation [US]. Inventors: Yuan Yao [US], Jingmin Joanne Zhang [US].

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Thermal Analysis of Fiber Mats

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Approximately 10 mg samples of fiber mats were sealed in aluminum hermetic pans (TA Instruments) using a sample encapsulation press. DSC measurements were made on a TA Instruments DSC Q100. Samples were held isothermal at −50 °C for 5 minutes and then heated and cooled from −50 °C to 80 °C to −50 °C, at a rate of 3 °C per minute, ± 0.20 °C amplitude, with a modulation period of 60 seconds for two continuous cycles.

Behrens A.M., Lee N.G., Casey B.J., Srinivasan P., Sikorski M.J., Daristotle J.L., Sandler A.D, & Kofinas P. (2015). Biodegradable Polymer Blend Based Surgical Sealant with Body Temperature Mediated Adhesion. Advanced materials (Deerfield Beach, Fla.), 27(48), 8056-8061.

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Polymer Thermal Analysis by DSC

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Polymer samples were sealed in aluminum hermetic pans (TA Instruments) using a sample encapsulation press. DSC measurements were made on a TA Instruments DSC Q100. Samples were held isothermal at −50 °C for 5 min and then heated and cooled from −50 to 80 to −50 °C, at a rate of 3 °C min⁻¹, ±0.20 °C amplitude, with a modulation period of 60 s for two continuous cycles. Glass-transition temperature (T_g) was calculated using the tangent intersection method.

Daristotle J.L., Erdi M., Lau L.W., Zaki S.T., Srinivasan P., Balabhadrapatruni M., Ayyub O.B., Sandler A.D, & Kofinas P. (2021). Biodegradable, Tissue Adhesive Polyester Blends for Safe, Complete Wound Healing. ACS biomaterials science & engineering, 7(8), 3908-3916.

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Thermal Characterization of Electrospun Fibers

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Fiber samples were produced by solution blow spinning (SBS) 500 mL of polymer solution. The resulting fiber mats were removed from the coverslips and trimmed to yield 10 mg samples of fibers. The samples were then sealed in aluminum hermetic pans (TA Instruments) using a sample encapsulation press. DSC measurements were made on a TA Instruments DSC Q100. Samples were held isothermal at −50 °C for 5 min and then heated and cooled from −50 to 80 to −50 °C, at a rate of 3 °C min⁻¹, ±0.20 °C amplitude, with a modulation period of 60 s for two continuous cycles. T_g onset was calculated using the tangent intersection method on the reversing heat flow. The inflection point of the reversing heat flow during the T_g was used to determine the midpoint.

Daristotle J.L., Zaki S.T., Lau L.W., Torres L J.r., Zografos A., Srinivasan P., Ayyub O.B., Sandler A.D, & Kofinas P. (2019). Improving the adhesion, flexibility, and hemostatic efficacy of a sprayable polymer blend surgical sealant by incorporating silica particles. Acta biomaterialia, 90, 205-216.

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Phytoglycogen-Ibuprofen Complex Formation

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Example 6

For DSC analysis, each solid were weighted and sealed into PerkinElmer aluminum-hermetic pans and subjected to DSC Q2000 (TA Instruments) with scanning rate of 20° C./min over 0 to 250° C. Each DSC curve was normalized using the weight of ibuprofen. For X-ray powder diffraction analysis. Solid powders were weighted and analyzed using Shimadzu XRD-6000 X-ray powder diffractometer equipped with a Bragg-Brentano optical setup. Samples were scanned with a step size of 0.08° from 5 to 40° 2θ. The DSC and X-ray diffraction analysis results are shown in FIG. 6. Evidently, the complexation of phytoglycogen with ibuprofen led to significantly reduced or negligible crystal amount in the ibuprofen-containing solids.

US10117937B2. Highly branched alpha-D-glucans (2018-11-06). Purdue Research Foundation [US]. Inventors: Yuan Yao [US], Jingmin Zhang [US].

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Differential Scanning Calorimetry of Fiber Mats

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Approximately 10 mg samples of fiber mats were sealed in aluminum hermetic pans (TA Instruments) using a sample encapsulation press. Differential scanning calorimetry (DSC) measurements were made on a TA Instruments DSC Q100. Samples were held isothermal at −50°C for 5 min and then heated and cooled from −50 to 80 to −50°C, at a rate of 10°C min⁻¹ for two continuous cycles. The inflection point of the heat flow during the T_g was used to determine the midpoint.

Daristotle J.L., Lau L.W., Erdi M., Hunter J., Djoum A J.r., Srinivasan P., Wu X., Basu M., Ayyub O.B., Sandler A.D, & Kofinas P. (2019). Sprayable and biodegradable, intrinsically adhesive wound dressing with antimicrobial properties. Bioengineering & Translational Medicine, 5(1), e10149.

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