Correlations between chemical assays and near-infrared reflectance spectroscopy for nutrient components and correlations between nutrients and color scores of distillers dried grains with solubles

The objective of this research was to evaluate the correlations between chemical assay and near-infrared reflectance spectroscopy (NIRS) for the nutrient content of distillers dried grains with solubles (DDGS) samples. The samples were analyzed by NIRS or wet chemical procedures. Color [CIE lightness (L*), redness (a*), and yellowness (b*)] characteristics of the samples were measured in triplicates with a chroma meter. Highest CV were observed for fiber fragments in wheat DDGS and for fat in corn DDGS among the nutrients tested. Correlation coefficients showed good agreement between NIRS and wet methods for the determination of selected nutrients except DM. Strong negative correlations were found between ash and ADF (-0.811), ash and NDF (-0.649), and ash and CF (-0.757) when determined by wet analyses. Phosphorus and gross energy had negative correlations with fiber fragments. The values for a* were found to be inversely correlated to the CF, ADF, and NDF contents found in both methods. On the contrary, there was a positive correlation between a* values and ash content in both methods. Positive correlations also were found between fat content and L* and b* values of the ingredients. Negative correlations were found between b* value and CP, Arg, Ile, Gly, and Pro levels. Based on these results, NIRS is a reliable method depending on the calibration quality, and the correlations found among nutrients and between color and nutrients must be taken into consideration to predict nutrient content of DDGS. No antibiotic residue was found in the samples

Onkoloji hastalarında port kateter ve periferik kandan alınan hemokültür sonuçları

İstanbul Bilim Üniversitesi, Tıp Fakültesi.Amaç: Kateter ilişkili kan dolaşımı infeksiyonu önemli morbidite ve mortalite nedenidir. Kanser hastalarında tedavi monitorizasyonu, kemoterapi uygulanması veya kan transfüzyonları için gereken tekrarlayan damar yolu uygulamaları yerine kullanılan implante port sistemleri, kolay uygulanmaları ve güvenli olmaları nedeniyle onkolojide günlük klinik rutinin parçası olmuşlardır

CAVERNOUS ANGIOMA MIMICKING MENINGIOMA

The authors present a rare case of cavernous angioma mimicking a meningioma in a 58-year-old man who presented with a headache and dizziness. There were no neurological deficits or other neurological symptoms or signs. An extra-axial mass lesion thought to be associated with diffusely well-enhanced falx in the postcontrast sections was noted in the posterior interhemispheric fissure near the posterior part of the corpus callosum splenium. Extra-axial cavernous angiomas (cavernomas) are extremely rare lesions. They most commonly occur in the parenchyma but have been occasionally reported to arise from the dura matter. Dural cavernous angiomas arise from dural sinuses, falx cerebri, tentorium cerebelli, cranial base dura, or internal auditory canal dura and convexity. Parenchymal cavernous angiomas classically have a ring of hemosiderin surrounding the lesions observed on magnetic resonance imaging, but dural cavernous angiomas do not display the same magnetic resonance imaging characteristics and occasionally exhibit a dural tail sign due to which they can often be misdiagnosed as meningiomas