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Help CenterHigh Sensitivity 0.001 Differential Scanning Calorimeter DSC With Cooling System
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Selection Guide for High Sensitivity (0.1μW) Differential Scanning Calorimeters (DSC) with Cooling System
I. Equipment Core Requirements
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Sensitivity: 0.1μW (industry high-end level, can detect weak thermal effects such as glass transition, drug polycrystalline).
Cooling system: realize rapid cooling (e.g. -180℃~725℃), support low-temperature testing (e.g. protein denaturation, low-temperature phase transition).
Application scenarios: Frontier research in material science, biopharmaceuticals, analysis of thermal properties of nanomaterials.
Third, the cooling system comparison
Cooling method
Temperature range
Advantage
Applicable scenes
Mechanical cooling
-90°C to room temperature
Easy operation, low maintenance cost
Routine low-temperature testing (polymer Tg, melt analysis)
Liquid nitrogen refrigeration
-180℃~room temperature
Extremely low temperature capability, fast cooling speed
Ultra-low temperature research (protein denaturation, superconducting materials)
Hybrid refrigeration
-150℃~room temperature
Balance cost and performance, high flexibility
Multi-scenario cryogenic needs (research labs)
IV. Typical applications of high sensitivity DSCs
1. Biopharmaceuticals
Protein denaturation analysis: detect the thermal stability of antibodies during warming (sensitivity 0.1 μW recognizes small conformational changes).
Drug polymorphism: differentiate the weak heat absorption peaks of α-type (melting point 75°C) and β-type (melting point 85°C) of ibuprofen.
2. Nanomaterials
Heat capacity determination: precise measurement of the variation of the specific heat capacity of nanoparticles (e.g. quantum dots) with size.
Phase transition kinetics: analysis of the thermal effects of low-temperature adsorption-desorption of metal-organic frameworks (MOFs).
3. Polymer Science
Weak glass transition: Tg detection of ultrathin polymer films (
Cross-linking reactions: weak exothermic peak integration (calculation of reaction enthalpy) of UV-curable resins.
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