(C) 2011 American Institute of Physics. [doi: 10.1063/1.3636365]“
“In near infrared (NIR) spectra, there could be observed the baseline drift, background noise, scattering effects, and overlapped peaks. These errors can disturb the robustness and reliability of multivariate calibration models. Influences of spectral pretreatment methods on calibration
model were studied. The partial least squares (PLS) were applied for developing model of the precuring degree. The multiplicative scatter correction gave the best values for R-2 and RMSEC. R-2 was 0.96, RMSEC was 0.112, respectively. The method NIR and reference method were compared using Student’s t test (alpha = 0.05) for paired values, the result showed that there was no significant difference between the NIR method and the reference method. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012″
“Background: click here Neoadjuvant chemotherapy (NC(+)) and portal vein embolization (PVE) enables curative resection in more patients with colorectal-liver metastases (CRLM). However, after NC(+), structural alterations have been reported with the risk of post-operative hepatic failure. We undertook to determine if NC(+) toxicity limits future remnant liver (FRL) hypertrophy after PVE.
Methods: PVE was performed in 20 patients, 13 (65%) of whom previously
received a mean FOLFIRI (5-fluorouracil + leucovorin + irinotecan) regimen (NC(+)) of 6.6 cycles. The seven remaining patients served as the control group without NC (NC(-)).
Results: CRLM were bilateral in 69% (NC(+)) and 57% (NC(-)), and synchronous in 84% (NC(+)) and GSK1838705A ic50 14% (NC(-)). The FRL hypertrophy rate was 54.1% (NC(+)) and 43.7% (NC(-)) (P = 0.3). CRLM were unresectable in four of our 20 patients, i.e. group NC(+): one insufficient FRL hypertrophy and one severe steatosis; and group NC(-): two tumoral progressions. In both groups, the operative parameters were comparable except for pedicular clamping: 8 (NC(+)) and 36 min (NC(-)), respectively (P < 0.05). Also, the surgical outcome rate and hospital stay were comparable. No significant pathological difference was observed between the two groups. No mortality occurred in either group.
Conclusion: In view of our
limited experience, we conclude Combretastatin A4 nmr that hypertrophy of the non-embolized liver (FRL) is not altered after FOLFIRI-based NC.”
“Objective: To assess the alveolar bone formation after autogenous tooth transplantation by conventional radiographic method and digital subtraction radiography.
Study design: This retrospective study was done in 54 of 136 patients who received the third molar tooth transplantation and attended the first week, as well as the 1-, 3-, 6-, 9-, and 12-month follow-up. Postoperative periapical radiographs were subsequently evaluated by direct visual interpretation and digital subtraction radiography. The data were analyzed by using McNemar test and 1-way repeated-measure analysis of variance as well as Bonferroni multiple comparison.