نتایج جستجو برای: 3067
تعداد نتایج: 115 فیلتر نتایج به سال:
Alterations in the balance between different metabolic pathways used to meet cellular bioenergetic and biosynthetic demands are considered hallmarks of cancer. Optical imaging relying on endogenous fluorescence has been used as a noninvasive approach to assess tissue metabolic changes during cancer development. However, quantitative correlations of optical assessments with variations in the con...
Impact assessments of offshore wind farm installations and operations on the marine fauna are performed in many countries. Yet, only limited quantitative data on the physiological impact of impulsive sounds on (juvenile) fishes during pile driving of offshore wind farm foundations are available. Our current knowledge on fish injury and mortality due to pile driving is mainly based on laboratory...
The communication presents a numerical test of the three most popular methods used for direct inversion of the highly resolved IR and MW spectra of diatomic systems: (A) the numerical techniques such as those described by Coxon (J. A. Coxon and P. G. Hajigeorgiou, J. Mol. Spectrosc., 1991, 150, 1, ref. 1; J. A. Coxon, J. Mol. Spectrosc., 1992, 150, 274, ref. 2), Bernath (J. M. Campbell, M. Duli...
OBJECTIVE Raising the price of tobacco products is considered one of the most effective ways to reduce tobacco use. In addition to excise taxes, governments are exploring other policies to raise tobacco prices and minimise price dispersion, both within and across price tiers. We conducted a systematic review to determine how these policies are described, recommended and evaluated in the literat...
BACKGROUND A number of studies have examined the association between interleukin-6 (IL-6) rs1800796 polymorphism and risk of lung cancer but revealed inconsistent results. The aim of this study was to clarify the association between IL-6 rs1800796 polymorphism and risk of lung cancer. METHODS Literature databases including PubMed, Embase and CNKI were searched up to January 2014. The pooled o...
Purpose: To correlate corneal endothelium cell density with dry eye disease compared to an age-matched control group. Materials and Methods: In this cross-sectional study, a total of 150 eyes of 75 female students aged 19-25 years who did not have any history of eye injuries or eye disease affecting the corneal endothelium cell density, were recruited from KSU Female Campus. They were divided i...
Introduction: This study aimed to discover and document the potential of visual ocular sequelae computer vision syndrome (CVS) among medical students. Methods: cross-sectional case-control was conducted on students (n=4030) five universities in Egypt. All completed a specially designed validated CVS questionnaire survey (CVS-F3). Students with ≥5 symptoms constituted risk group (n=352), while 1...
Concentrations of 12 major and trace minerals and cholesterol in commercial goat fluid milk, evaporated, powdered, yogurt, and cheese products manufactured in the US were evaluated for compositional differences. Minerals were determined by an Inductively Coupled Argon Plasma Emission Spectroscopy (ICAP), while cholesterol was analyzed using colorimetric and gas chromatographic (GC) methods. Mea...
The Role of Calcium tons in the Acceleration of Resting Muscle Glycolysis by Extracellular Potassium
The activation of the glycolysis of resting muscle by increased extracellular potassium is dependent upon the simultaneous presence of calcium, but not of sodium ions. This regulation of metabolism by a membrane characteristic seems to act upon an early link in the glycolytic enzyme chain. The classical investigations of Overton (1902, 1904) have shown that, while an isolated muscle maintains i...
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