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596 articles for “Testing”
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Research ArticleOpen accessEvery word in the titleIN VITRO TESTING OF MODIFIED COLLAGEN/ HYALURONAN/BETA-GLUCAN SCAFFOLDJan Vojtassak, Dusan Bakos, Martin Bohac et al.Cells and scaffolds belong to main components of tissue engineering. In this study we have performed in vitro cytotoxicity and biocompatibility testing of modified collagen/hyaluronan/beta-glucan scaffold. We used direct contact assay as well as MTT test. Human adipose tissue-derived stem cells were used as biological model. According to obtained results, we can summarize, that modified collagen/hyaluronan/beta-glucan scaffold is non-toxic and … …OnLine Journal of Biological Sciences, Vol. 13, Issue 2 · 12 Jun 2013 · 7,214 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSelection of Spectral Filters for Optical Demultiplexer Via Same Source Different Filters Testing TechniqueMohammad Syuhaimi Ab-Rahman, Hadiguna, Latifah Sarah Supian, Malik SulaimanThis study aims to evaluate the effectiveness of selected color filter film for demultiplexer construction where only signals with certain wavelengths are allowed to pass through the demultiplexer while the other signal that carrying different wavelengths are absorbed. Characterization testing and analysis is done based on recorded data. Demultiplexer components are characterized by the Same Source at Different Filters (SSDF) … …Journal of Computer Science, Vol. 9, Issue 4 · 9 May 2013 · 6,247 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTesting Randomness: Poker Test with Hands of Three NumbersWael Mohamed Fawaz Abdel-Rehim, Ismail Amr Ismail, Ehab MorsyProblem statement: The problem of testing randomness is motivated by the need to evaluate of the quality of different random number generators used by many practical applications including computer simulations, cryptography and communications industry. In particular, the quality of the randomness of the generated numbers affects the quality of such applications. In this study we focus on one of the … …Journal of Computer Science, Vol. 8, Issue 8 · 30 Jul 2012 · 9,752 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTesting the Equality of Growth Curves of Independent Populations with Application on Egypt CaseHanan Girgis, Ramadan Hamed, Magued OsmanProblem statement: Numerous trials have been conducted to compare the body growth curves and hence growth rates relying on smoothing and modeling different growth curves using different parameter values for the same model. This study aimed to construct a test of the equality of two percentile growth curves and of a set of percentile growth curves from two independent populations … …Current Research in Biostatistics, Vol. 1, Issue 1 · 30 Jun 2010 · 7,710 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Comparative Study of Stability Testing Approaches of Two-Dimensional Recursive Digital FiltersK. R. Santhi, M. Ponnavaikko, N. GangatharanThere are many problems in science and engineering whose solution is applied in the design of Multi-Dimensional (MD) digital filters. Digital filtering finds an important position in the field of digital signal and image processing. Recently there had been a great deal of interest in the design and stability analysis of Two-Dimensional (2-D) recursive digital filters. The design techniques for … …Journal of Computer Science, Vol. 4, Issue 12 · 31 Dec 2008 · 6,867 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEstimating HIV-1 Incidence Using the Serologic Testing Algorithm for Recent HIV Seroconversion at HIV Counseling and Testing Centers in the City of São Paulo, BrazilKatia Cristina Bassichetto, Denise Pimentel Bergamaschi, Maria Amelia Veras et al.The network of HIV counseling and testing centers in São Paulo, Brazil is a major source of data used to build epidemiological profiles of the client population. In this study, HIV-1 incidence from November of 2000 to April of 2001 was estimated, comparing recently infected individuals to those with long-standing infection in terms of epidemiological and socio-behavioral aspects. To identify … …American Journal of Infectious Diseases, Vol. 4, Issue 4 · 31 Dec 2008 · 6,458 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleVoluntary Counseling and Testing with AIDS Outpatient: Hubei, ChinaSheng Wanxiang, Liu Xiaoming, Yang Rongrong et al.The HIV/AIDS epidemic has affected the world over the past two decades reveals the significant role of socio-cultural beliefs and attitudes in the shaping of people’s lifestyles and approaches to the control and prevention of epidemics. A descriptive analysis of Voluntary Counseling and Testing (VCT) in the 2005-2006 which is the key Hubei provincial science and technology project that studies … …American Journal of Infectious Diseases, Vol. 3, Issue 1 · 31 Mar 2007 · 7,065 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFunctional Non-Inferiority Hypothesis Testing for Longitudinal DataArsène Brunelle Sandie, Anthony Wanjoya, Jules Brice Tchatchueng-MbouguaThe study pattern of non-inferiority trials is increasingly used to show the non-inferiority of new health intervention. Although in such studies the data are longitudinally collected (data held over a period of time), the conclusion of these non-inferiority trials is based on data observed at a specific time during the study period (usually at the end of the study period). … …Journal of Mathematics and Statistics, Vol. 15, Issue 1 · 29 Aug 2019 · 6,933 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDesign and Testing of Screw Turbines for Flat Flow with Uneven Blade DistancesYulianto, Bambang Priyadi, Fathoni, Hari SuciptoIt is an innovative thing to design turbines that are compatible with flat-flow water energy. The turbine that was chosen is a turbine screw model with a non-uniform blade slope. The turbine made with a stator consists of a collector pipe and a quick pipe as a nozzle and a screw-shaped rotor with varying blade spacing. The results of the … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 1 · 4 Jan 2019 · 7,904 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDeveloping and Testing Dynamic Models for HVAC Systems Using System Identification ApproachNabil Nassif, Jasmine Buford, Taher M. Abu-LebdehThis paper proposes integrated modeling and optimization methods for a chilled water HVAC system using a system identification approach. Two multiple input-single output models are developed to find the supply air temperature and fan power of the investigated chilled water air handling unit AHU. To test the proposed models, actual data are collected from existing HVAC systems. Different fan and … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 1 · 15 Mar 2017 · 7,710 accessesView PDFCite