نتایج جستجو برای: living time
تعداد نتایج: 2039046 فیلتر نتایج به سال:
Superficial fungal infections are one of the most prevalent skin diseases worldwide.According to clinical reports, dermatophytosis has been the most prevalent form ofsuperficial infections. It is well documented that the epidemiology of skin infectionsmight change over time. The aim of this study was to evaluate the epidemiology andprevalence of superficial fungal infections in dormitory studen...
We have directly imaged the dynamic behavior of a variety of morphologically different peroxisomal structures in HepG2 and COS-7 cells transfected with a construct encoding GFP bearing the C-terminal peroxisomal targeting signal 1. Real time imaging revealed that moving peroxisomes interacted with each other and were engaged in transient contacts, and at higher magnification, tubular peroxisome...
Being able to measure time, whether directly or indirectly, is a significant advantage for an organism. It permits it to predict regular events, and prepare for them on time. Thus, clocks are ubiquitous in biology. In the present paper, we consider the most minimal abstract pure clocks and investigate their characteristics with respect to their ability to measure time. Amongst other, we find fu...
X-ray crystallography requires sufficiently large crystals to obtain structural insights at atomic resolution, routinely obtained in vitro by time-consuming screening. Recently, successful data collection was reported from protein microcrystals grown within living cells using highly brilliant free-electron laser and third-generation synchrotron radiation. Here, we analyzed in vivo crystal growt...
Intracellular water concentrations in single living cells were visualized by nonlinear coherent anti-Stokes Raman scattering (CARS) microscopy. In combination with isotopic exchange measurements, CARS microscopy allowed the real-time observation of transient intracellular hydrodynamics at a high spatial resolution. Studies of the hydrodynamics in the microorganism Dictyostelium discoideum indic...
Individual microtubule dynamics were observed in real time in primary cultures of newt lung epithelium using video-enhanced differential interference contrast microscopy and digital image processing. The linear filaments observed in cells corresponded to microtubules based on three criteria: (a) small particles translocated along them; (b) the majority of them disappeared after incubation in no...
the aim of this study was to evaluate suicide probability in iranian males with substance abuse or dependence disorder and to investigate the predictors of suicide probability based on trait mindfulness, reasons for living and severity of general psychiatric symptoms.participants were 324 individuals with substance abuse or dependence in an outpatient setting and prison. reasons for living ques...
MethodsUsing time series data of national level (1967 to 2012 years), we explored the association between total fertility rate, GDP per capita, number of physician per 1000 populations, female labor force participation rate, percentage of people living in rural regions and mean years schooling for each people with infant mortality rate of Iran. These data were obtained from Central Bank of Isla...
Background: Smoking hookah is recognized as a growing health problem in Iran and many countries in the world and its harmful outcomes on human health have attracted attention of medical community. This study aimed to determine the factors affecting on hookah smoking in male students who are living in dormitories of Tehran University of Medical Sciences in 2011. Methods : This study was a de...
The detection of biological events in living systems is a topic that stands at the edge of Physics, Biology, and Engineering. In the last years, the teams of Laboratory for Interdisciplinary Lithography (LILIT_IOM-CNR, Trieste, Italy) and of the Synchrotron Infrared Source for Spectroscopy and Imaging (SISSI@Elettra Synchrotron Light laboratory in Trieste, Italy) focused their efforts into the ...
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