نتایج جستجو برای: densitometric analysis
تعداد نتایج: 2824842 فیلتر نتایج به سال:
The present investigation addresses whether protein expression and function of sarco(endo)plasmic reticulum Ca(2+)-ATPase (SERCA2a) and phospholamban (PLB) correlate in failing and nonfailing human myocardium. SERCA2a activity and protein expression, PLB phosphorylation, and the force-frequency relationship (FFR) have been determined in right atrium (RA) and left ventricle (LV) from nonfailing ...
spective gel image revealed that the density of the area between 200 and 1600 bp was very similar in all of the four lanes. Therefore, volume-corrected calculation of this experiment (Fig. 1B, filled columns) displayed results comparable to the densitometric analysis of Fig. 1A (shown in Fig. 1B, open columns). Thus, this method offers reproducible results as a function of cell number but indep...
DNAimage cytometry is a relatively new technique for densitometric measurement of nuclear DNA content, which has only rarely been used in botany and thus no methodological standards exist for this method to be applied to the measurement of plant material. In the present paper we address several problems related to standardisation of DNA image cytometry, such as stability of the measuring system...
BACKGROUND Glycyrrhetic acid, a pentacyclic triterpenoid, possesses a broad range of pharmacological activities and serves as template to synthesize many bioactive drugs. This paper describes a simple, accurate, and sensitive stability-indicating TLC densitometric method for the determination of glycyrrhetic acid and its degradation product as per the ICH guidelines. RESULTS Separation was ca...
BACKGROUND Prior studies of clinical prognostication in idiopathic pulmonary fibrosis (IPF) using computed tomography (CT) have often used subjective analyses or have evaluated quantitative measures in isolation. This study examined associations between both densitometric and local histogram based quantitative CT measurements with pulmonary function test (PFT) parameters and mortality. In addit...
934-25 Video Densitometric Analysis of Intracoronary Ultrasound Images-Anatomopathologic Correlation
The probable shape, size, and orientation of desmosomes of the cells comprising the secretory tubules in rat submaxillary gland was determined by statistical and algebraic methods applied to electron micrographs. It was concluded that these desmosomes are discrete ellipsoidal discs whose principal axes are in the order of 4100 and 2500 angstrom units, and that they are preferentially oriented w...
Cochlear otosclerosis can be recognized in most cases by high-definition axial and coronal CT images. However, routine technique does not allow a quantitative measurement of the changes. Reported here is a study of cochlear CT densitometry. The densitometric profile of the cochlear capsule was obtained in 10 ears with normal hearing and 50 ears in 27 patients with known clinical otosclerosis an...
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