Journal of Thermal Analysis and Calorimetry

, Volume 113, Issue 1, pp 259–264 | Cite as

Differential scanning calorimetry (DSC) of blood serum in chronic obstructive pulmonary disease (COPD)

A new diagnostic tool ahead?
  • Zsuzsanna Szalai
  • Tamás F. Molnár
  • Dénes Lőrinczy


Chronic obstructive pulmonary disease (COPD) is a major global health challenge with a gloom perspective of being one of the big three cause of death by 2020. No reliable/reproducible biomarker has been identified so far to match the clinically-based staging system (GOLD). Blood samples of 30 subjects divided into 6 groups (no-COPD/-smoker, no-COPD/non-smoker, COPD I, COPD II, COPD III, COPD IV) with 5 patients in each were tested by differential scanning calorimetry. There is a clear 15.4 % difference between the heat flow maxima measured when no-COPD subjects were compared in accordance to their smoking/non-smoking status. Odds ratio of different heat flow in actively smoking COPD patients in stage IV and stage I was 1.61. A reverse tendency is detected in the relevant non-smoking COPD groups. The differences are inconsistent in intermediate stages (COPD II and III). DSC seems to be an applicable and objective method for monitoring nicotine abuse. There is a chance to detect specific typology of thermokinetic patterns in the two extremes of COPD (I vs. IV). Further studies with increased sample size are needed to allow calculations on specificity/sensitivity/positive and negative predictive value of enthalpies and heat flow maximums. The first clinically relevant blood-based COPD marker on the intravascular side of the alveo-capillary screen is demonstrated by our pilot study.


Differential scanning calorimetry (DSC) Chronic obstructive pulmonary disease (COPD) COPD severity Global initiative for chronic obstructive lung disease (GOLD) 



The SETARAM Micro DSC-II was purchased with a grant (CO-272) from the Hungarian Scientific Research Fund (D. Lőrinczy).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2013

Authors and Affiliations

  • Zsuzsanna Szalai
    • 1
    • 2
  • Tamás F. Molnár
    • 3
  • Dénes Lőrinczy
    • 4
  1. 1.Department of PulmonologyPetz Aladár HospitalGyorHungary
  2. 2.Department of PulmonologyKarolina HospitalMosonmagyaróvárHungary
  3. 3.Thoracic Surgery Unit, Department of SurgeryPetz Aladár Teaching HospitalGyorHungary
  4. 4.Faculty of Medicine, Institute of BiophysicsUniversity of PécsPécsHungary

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