نتایج جستجو برای: reaction time rt

تعداد نتایج: 2253306  

2014
Mingmei Du Yubin Xing Jijiang Suo Bowei Liu Na Jia Rui Huo Chunping Chen Yunxi Liu

BACKGROUND We aimed to develop a real-time nosocomial infection surveillance system (RT-NISS) to monitor all nosocomial infections (NIs) and outbreaks in a Chinese comprehensive hospital to better prevent and control NIs. METHODS The screening algorithm used in RT-NISS included microbiological reports, antibiotic usage, serological and molecular testing, imaging reports, and fever history. Th...

Journal: :Mathematics 2021

The single-cell RNA-seq allows exploring the transcriptome for one cell at a time. By doing so, cellular regulation is pictured. One limitation dropout events phenomenon, where gene observed low or moderate expression level in but not detected another. Dropouts obscure legitimate biological heterogeneity leading to description of small fraction meaningful relations. We used stochastic approach ...

Journal: :International journal of psychophysiology : official journal of the International Organization of Psychophysiology 1991
V S Gavriysky

The relations between the parameters of a pupillary light reflex and the reaction time to four intensities of light stimulation were studied in 13 normal volunteers (mean age 21.7 years). The consensual pupillary reactions to light were recorded at an infrared-reflecting pupillograph; the reaction time (RT) was recorded by a button pressed with the thumb. All subjects were tested at least twice...

Journal: :Journal of sports science & medicine 2014
Adam J Wells Jay R Hoffman Kyle S Beyer Adam R Jajtner Adam M Gonzalez Jeremy R Townsend Gerald T Mangine Edward H Robinson William P McCormack Maren S Fragala Jeffrey R Stout

Recently, the Dynavision™ D2 Visuomotor Training Device (D2) has emerged as a tool in the assessment of reaction time (RT); however, information regarding the reliability of the D2 have been limited, and to date, reliability data have been limited to non- generalizable samples. Therefore, the purpose of this study was to establish intraclass correlation coefficients (ICC2,1) for the D2 that are...

2005
Enders K.O. Ng Peter K.C. Cheng Antia Y.Y. Ng T.L. Hoang Wilina W.L. Lim

We developed a sensitive and rapid real-time reverse transcription-polymerase chain reaction (RT-PCR) assay to detect influenza A H5N1 virus in clinical samples. This assay was evaluated with samples from H5N1-infected patients and demonstrated greater sensitivity and faster turnaround time than nested RT-PCR.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

چکیده هدف:انگل لیشمانیاماژور انگل تک یاخته ای تاژکدار ، با تنوع بیش از 20 گونه دارای گسترش جهانی می باشد. این انگل عامل بیماری لیشمانیازیس پوستی (cl) در انسان است. برای تشخیص این بیماری استفاده از روش های مولکولی حساس تر از روش های میکروسکپی است. استفاده از روش nasba بدلیل شناسائی انگل زنده دارای ویژگی بالائی است. هدف از این مطالعه استفاده ازتکنیک مولکولی ایزوترمال nasba (nucleic acid sequence...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم 1393

از آن جا که سلولهای بنیادی مزانشیمی(mesenchymal stem cell,msc) توانایی تبدیل شدن به سلولهایی از رده های مختلف را در شرایط آزمایشگاه نشان داده اند. جداسازی و تکثیر به نسبت راحت و اتولوگ بودن سلولهای مزانشیم آنها را کاندید مناسب برای سلول درمانی ساخته است.اکثر مطالعات آزمایشگاهی نشان دادند که سلول های بنیادی مزانشیمی توانایی گریز از سیستم ایمنی را دارند وپاسخ های ایمنی را نیز مهار می کنند که هر د...

Journal: :Brain and cognition 2004
Boŕis Burle Franck Vidal Christophe Tandonnet Thierry Hasbroucq

Inhibition is a widely used notion proposed to account for data obtained in choice reaction time (RT) tasks. However, this concept is weakly supported by empirical facts. In this paper, we review a series of experiments using Hoffman reflex, transcranial magnetic stimulation and electroencephalography to study inhibition in choice RT tasks. We provide empirical support for the idea that inhibit...

Journal: :Current issues in molecular biology 2014
Vija yJ Gadkar Martin Filion

Real time-quantitative PCR (RT-qPCR) technology has revolutionized the detection landscape in every area of molecular biology. The fundamental basis of this technology has remained unchanged since its inception, however various modifications have enhanced the overall performance of this highly versatile technology. These improvements have ranged from changes in the individual components of the ...

Ghazanfari, Adnan, Movahedi, Ahmad Reza, Nezakat Alhosseini, Maryam, Salehi, Hamid,

In the present investigation we determined the time course of attention demands during the jumping service in volleyball by the dual-task paradigm. Fourteen voluntary junior elite volleyball players performed 60 jumping serve. Jumping-serve performance (JSP) as primary task and verbal reaction time (RT) to an auditory stimulus that was administered in four probe positions (PP), as secondary tas...

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