The role of oxygen in the photoaging of bisphenol A polycarbonate. 2. GC/GC/high-resolution MS analysis of Florida-weathered polycarbonate

1987 ◽  
Vol 20 (10) ◽  
pp. 2461-2468 ◽  
Author(s):  
A. Factor ◽  
W. V. Ligon ◽  
R. J. May
Keyword(s):  
High Resolution ◽  
Bisphenol A ◽  
Bisphenol A Polycarbonate ◽  
Ms Analysis

Structure of amorphous films containing tri-p-tolylamine and bisphenol-A polycarbonate as determined by high-resolution carbon-13 NMR of partially deuterated samples in the solid state

1984 ◽  
Vol 17 (12) ◽  
pp. 2566-2572 ◽  
Author(s):  
J. Michael Hewitt ◽  
Paul M. Henrichs ◽  
M. Scozzafava ◽  
R. P. Scaringe ◽  
M. Linder ◽  
...  
Keyword(s):  
Solid State ◽  
High Resolution ◽  
Bisphenol A ◽  
Amorphous Films ◽  
Bisphenol A Polycarbonate

Quantitative accuracy of serotonergic neurotrans-mission imaging with high-resolution 123I SPECT

2004 ◽  
Vol 43 (06) ◽  
pp. 185-189 ◽  
Author(s):  
J. T. Kuikka
Keyword(s):  
High Resolution ◽  
Scatter Correction ◽  
Region Of Interest ◽  
Binding Potential ◽  
Partial Volume ◽  
Therapeutic Drugs ◽  
Quantitative Accuracy ◽  
Critical Error ◽  
Statistical Noise

Summary Aim: Serotonin transporter (SERT) imaging can be used to study the role of regional abnormalities of neurotransmitter release in various mental disorders and to study the mechanism of action of therapeutic drugs or drugs’ abuse. We examine the quantitative accuracy and reproducibility that can be achieved with high-resolution SPECT of serotonergic neurotransmission. Method: Binding potential (BP) of 123I labeled tracer specific for midbrain SERT was assessed in 20 healthy persons. The effects of scatter, attenuation, partial volume, mis-registration and statistical noise were estimated using phantom and human studies. Results: Without any correction, BP was underestimated by 73%. The partial volume error was the major component in this underestimation whereas the most critical error for the reproducibility was misplacement of region of interest (ROI). Conclusion: The proper ROI registration, the use of the multiple head gamma camera with transmission based scatter correction introduce more relevant results. However, due to the small dimensions of the midbrain SERT structures and poor spatial resolution of SPECT, the improvement without the partial volume correction is not great enough to restore the estimate of BP to that of the true one.

Which is the role of dynamic high-resolution ultrasound (D-HRUS) in the assessment of plantar plate tears?

2008 ◽  
Vol 29 (S 1) ◽  
Author(s):  
LM Sconfienza ◽  
F Lacelli ◽  
G Grillo ◽  
G Serafini ◽  
G Garlaschi ◽  
...  
Keyword(s):  
High Resolution ◽  
Plantar Plate

High-Resolution CT in Paraquat Poisoning of the Lung: Role of Prognosis Prediction

1998 ◽  
Vol 38 (6) ◽  
pp. 1027
Author(s):  
Kyoung Suk Kim ◽  
Young Tong Kim ◽  
Eun Joo Kwon ◽  
Choung Sik Choi ◽  
Han Heag Im ◽  
...  
Keyword(s):  
High Resolution ◽  
Prognosis Prediction ◽  
High Resolution Ct ◽  
Paraquat Poisoning
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