نتایج جستجو برای: densitometry

تعداد نتایج: 2765  

Journal: :The Journal of Biophysical and Biochemical Cytology 1955

Journal: :Genetics and molecular research : GMR 2015
C G Gonçalves B C Almeida C M Camargo-Kosugi A M M Costa I D C G Silva M A Haidar

In this study, we evaluated genetic factors related to the mineral density during post-menopause. We evaluated 110 women in the first 5 years post-menopause, without previous hormone replacement therapy. Cytochrome P450 17 (CYP17) (rs743572), catechol-O-methyl transferase (COMT) (rs4680), and estrogen receptor 1 (ESR1) (rs9322331) were examined for the presence of polymorphisms. Clinical data w...

Journal: :PLoS ONE 2007
John T. Schousboe Kevin E. Wilson Thomas N. Hangartner

BACKGROUND Cardiovascular disease is the most common cause of mortality among post-menopausal women. Our objective was to determine whether or not lateral spine images obtained on a bone densitometer to detect prevalent vertebral fracture can also accurately detect radiographic abdominal aortic calcification (AAC), an important risk factor for cardiovascular disease independent of clinical risk...

2010
Yang Kyeung Cho Hwa Seok Chang Tae Yoon La Donghyun Ji Hyunkyung Kim Jin A Choi Man Soo Kim

PURPOSE We evaluated various preoperative anterior segment parameters measured with a Pentacam rotating Scheimpflug camera and compared them with those of conventional methods. We also evaluated the effect of different parameters on corneal endothelial cells after cataract surgery. METHODS Pentacam examination was performed in 88 eyes from 88 patients to evaluate central anterior chamber dept...

Journal: :Gut 1993
G T Deans K Williamson P Hamilton M Heatley K Arthurs C C Patterson B J Rowlands T G Parks R A Spence

DNA analysis was assessed by densitometry for 281 cases of colorectal adenocarcinoma. Detection of aneuploidy in a single case rose from 65% if one, to 92.5% when three or more sections, were analysed. Although aneuploid tumours had significantly larger nuclear areas than near diploid tumours (p = 0.009), densitometric measurements showed no association with clinicopathological variables. DNA c...

Journal: :Journal of AOAC International 2001
S Essig K A Kovar

This paper describes a convenient and practice method for quantitation of surfactant phospholipids (1,2-dipalmitoyl-3-sn-phosphatidyl choline [DPPC] and 1-palmitayl-2-oleyl-3-sn-phosphatidyl glycerol [POPG]) in a recombinant surfactant lyophile (Venticute) by high-performance, thin-layer chromatography (HPTLC) with video densitometry. DPPC and POPG were extracted from Venticute-lyophile using m...

Journal: :Respiratory medicine 2007
Jan Stolk Hein Putter Els M Bakker Saher B Shaker David G Parr Eeva Piitulainen Erich W Russi Elzbieta Grebski Asger Dirksen Robert A Stockley Johan H C Reiber Berend C Stoel

In patients with airflow limitation caused by cigarette smoking, lung density measured by computed tomography is strongly correlated with quantitative pathology scores of emphysema, but the ability of lung densitometry to detect progression of emphysema is disputed. We assessed the sensitivity of lung densitometry as a parameter of disease progression of emphysema in comparison to FEV(1) and ga...

Journal: :Circulation 2001
S Molloi G S Kassab Y Zhou

BACKGROUND Coronary artery lumen volume may potentially have several advantages over the commonly used variables, such as percent stenosis or minimal lumen diameter, in the assessment of coronary artery disease. The goal of this study is to validate a quantitative assessment of lumen volume using a video densitometry technique. METHODS AND RESULTS Coronary arteriography was performed in 9 swi...

Journal: :Pharmacy Education 2023

Background: Daidzin (glycosidic isoflavone) bioconversion into daidzein (aglyconic increases its bioactivity. This can be carried out using fermentation, a fungus that has been widely used for making tempeh in Indonesia, Aspergillus oryzae. Objective: study aimed to validate the method of analysis and determine content A. oryzae-fermented edamame TLC densitometry. Method: Daidzein determination...

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