نتایج جستجو برای: stereological method

تعداد نتایج: 1631664  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1389

abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...

حیات مبینی , محمد, دزفولیان , عبدالرحمان, دهقانی , فرزانه, ظهیری , شهلا, پنجه شاهین , محمدرضا,

Background and purpose: Çisplatin is a drug which is used extensively for treatment of malignant tumors such as, ovarian, testicular and bladder cancers etc. Üsing of this drug due to it’s high side effects for different organs, particularly kidnies is limited. Since nephrotoxicity of this drug has been confirmed histopathologically and laboratory ( increase in BÜM and serum creatinine level)...

Journal: :IOP Conference Series: Materials Science and Engineering 2022

Abstract In previous work [1], we analyzed the recrystallization kinetics in cold-rolled AA5657 and AA5182 based on measurements of volume fraction recrystallized material, free (unimpinged) surface area density average size recrystallizing grains, plus contiguity between for a series partially samples. that work, calculated growth nucleation rates were used as basis from analysis. These two pr...

2003
Nádia D. Gomes Carlos A. Mandarim-de-Lacerda

unitermos abstract The diagnosis of some forms of hyperplastic endometrium continues to present difficulties for the practicing pathologist. One of the major problems is the lack of a standard terminology for endometrial classification. Therefore, morphometrical techniques could help the accurate diagnosis. Thirteen samples of endometrium with simple hyperplasia and thirteen samples of prolifer...

2017
Ann C. Eriksen Johnnie B. Andersen Martin Kristensson René dePont Christensen Torben F. Hansen Sanne Kjær-Frifeldt Flemming B. Sørensen

BACKGROUND Precise prognostic and predictive variables allowing improved post-operative treatment stratification are missing in patients treated for stage II colon cancer (CC). Investigation of tumor infiltrating lymphocytes (TILs) may be rewarding, but the lack of a standardized analytic technique is a major concern. Manual stereological counting is considered the gold standard, but digital pa...

Journal: :Journal of anatomy 1999
T K Långsjö M Hyttinen A Pelttari K Kiraly J Arokoski H J Helminen

Results obtained by the indirect zonal isotropic uniform random (IUR) estimation were compared with those obtained by the direct point and interception counting methods on vertical (VS) or IUR sections in a stereological study of bovine articular cartilage collagen fibrils at the ultrastructural level. Besides comparisons between the direct and indirect estimations (direct IUR vs indirect IUR e...

Journal: :Cold Spring Harbor protocols 2012
Mark J West

When quantifying the total volume, number, length, or surface of morphological features in complex structures such as the brain, it is neither desirable nor feasible to make absolute determinations of these parameters. It would take a lifetime to count all of the neurons or measure the total length of dendrites in many parts of the brain. Estimates based on a relatively small number of samples ...

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