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. Author manuscript; available in PMC: 2014 Aug 19.
Published in final edited form as: Cornea. 2013 Jan;32(1):44–53. doi: 10.1097/ICO.0b013e318254205f

Table V.

Phase Transition Parameters For Doxycycline Study

Phase transition
Parameter
MGD* Enrolled
Treatment Time (weeks)
Enrolled
Post Treatment
time (weeks)
Normal
(0) (4) (8) (4)
Minimum Frequency (cm−1) 2849.68 ± 0.06 2849.8 ± 0.1 2849.6 ± 0.1 2849.7 ± 0.1 2849.6 ± 0.1 2849.9 ± 0.1
Maximum Frequency (cm−1) 2853.48 ± 0.07 2853.4 ± 0.1 2853.5 ± 0.1 2853.3 ± 0.2 2853.2 ± 0.2 2853.5 ± 0.1
Cooperativity −8.5 ± 0.4 −9.0 ± 0.4 −9.7 ± 0.9 −9.5 ± 0.8 −8.0 ± 0.8 −9.2 ± 0.4
Phase transition Temperature (°C) 32.2 ± 0.5 31.8 ± 0.5 32.2 ± 0.8 31.3 ± 0.6 33.0 ± 0.5 28.5 ± 0.5
Enthalpy (Kcal/mol) 157 ± 7 143 ± 11 158 ± 27 159 ± 17 127 ± 4 149 ± 7
Entropy (Kcal/mol/degree) 0.51 ± 0.02 0.47 ± 0.04 0.52 ± 0.09 0.52 ± 0.06 0.41 ± 0.01 0.50 ± 0.08
Order (%) at 33.4°C 47 ± 2 46 ± 3 47 ± 3 45 ± 3 52.7 ± 0.9 36 ± 2
Number of samples 49 8 6 7 1 9
*

MGD is meibomian gland dysfunction. MGD and normal have been reported.42