367 results for “Cycle”

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Research ArticleOpen accessEvery word in the title2-Nonenal-Ovulatory Specific Volatiles in Human Saliva throughout Menstrual Cycle by Gas Chromatography and Mass Spectrometry AnalysisS. Alagendran, G. Archunan, K. Rameshkumar et al.Problem statement: The present investigation carry out a pilot study of a novel method to identify the salivary volatiles in different phases of menstrual cycle for the assessment of ovulation detection using gas chromatography and mass spectrophotometer. Approach: The profiles from follicular phase (6-12 days); ovulatory phase (13-14 days) and luteal phase (15-26 days) of menstrual cycle samples were compared … …American Journal of Biochemistry and Biotechnology, Vol. 6, Issue 3 · 30 Sep 2010 · 8,365 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleEvaluation of Salivary Electrolytes during Normal Menstrual Cycle with Special Reference to OvulationS. Alagendran, Govindaraju Archunan, Enrique Orozco Bonnila Armando, Rosalinda Guevara GuzmanThere is evidence to imply that estrogen influences salivary electrolytes activity in women. Problem statement: In this study we investigated changes in sodium, potassium and inorganic phosphorus, calcium and magnesium which related to find out the precise day of ovulation. These changes might help to explain the fluctuation of ovarian hormones such as preovulatory estrogen surge. Approach: Human whole saliva … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 8,805 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleAntiproliferative Effects of Alkaloids Isolated from the Tuber of Stephania venosa via the Induction of Cell Cycle Arrest in Mammalian Cancer Cell LinesSirinapa Nantapap, Chatchanok Loetchutinat, Puttinan Meepowpan et al.Problem statement: S. venosa (Menispermaceae) is used in traditional medicine. The constituents of S. venosa belonging to showed remarkable cytotoxic activity. According to previous research, S. venosa contains several alkaloids, such as protoberberine stephanine cyclanoline and N-methylstepholidine, kamaline, (+)-N-carboxamidostepharine, (-)-O-methylstepharinosine, (-)-stepharinosine, aporphine (-)-O-acethylsukhodiamine and oxostephanosine. The chemical and biological investigations of this plant are interesting to bioassay-guided fractionation, particularly Antiproliferative … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 8,789 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleCryptolepine Provokes Changes in the Expression of Cell Cycle Proteins in Growing CellsCharles Ansah, Nigel J. GooderhamProblem statement: Cryptolepine, the antimalarial plant alkaloid is cytotoxic to mammalian cells, but there is rather little understanding of the possible mechanisms involved in the cell-kill action of cryptolepine. Approach: We examined mammalian cells exposed to cryptolepine (0.5-5.0 μM) for effects on the cell cycle and associated alterations in the levels of major regulatory proteins using immunoblotting and flow cytometry. … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 4 · 31 Dec 2009 · 7,396 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleAnticancer Activities of Styrylpyrone from the Leaves and Twigs of Goniothalamus maewongensis via Cell Cycle ArrestPradit Pradupsri, Chatchanok Loetchutinat, Narong Nuntasaen et al.Problem statement: Goniothalamus maewongensis is one of three new species which are found in Thailand recently. The genus goniothalamus is not only well known for the rich of styrylpyrones but also famous for the potential of biological activities, especially the cytotoxic activity against a number of human cancer cell lines. The phytochemical and biological investigations of this plant are interesting … …American Journal of Applied Sciences, Vol. 6, Issue 12 · 31 Dec 2009 · 8,192 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleA Gate to Gate Assessment of Environmental Performance for Production of Crude Palm Kernel Oil Using Life Cycle Assessment ApproachS. Vijaya, A. N. Ma, Y. M. ChooProblem statement: The oil palm industry is an export orientated industry which heavily relies on the world market. In 2007 alone the total export earnings reached RM 45.1 billion. It is essential that the oil palm industry is ready to meet the higher expectation of its overseas customers on the environmental performance of the industry. Life Cycle Assessment (LCA) is … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,225 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleMeasuring the Software Product Quality during the Software Development Life-Cycle: An International Organization for Standardization Standards PerspectiveRafa E. Al-QutaishProblem statement: The International Organization for Standardization (ISO) published a set of international standards related to the software engineering, such as ISO 12207 and ISO 9126. However, there is a set of cross-references between these two standards. Approach: The ISO 9126 on software product quality and ISO 12207 on software life cycle processes had been analysed to investigate the relationships … …Journal of Computer Science, Vol. 5, Issue 5 · 30 May 2009 · 7,856 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleSecretary IgA Concentrations and plasma Cell Count Changes Associated with the Estrous Cycle in EwesMorteta H. AL-Medhtiy, A. B.Z. Zuki, M. M. Noordin, S. AgungpriyonoProblems statement: The level of uterine Secretory-IgA (S-IgA) and numbers of plasma cells was measured to observe the differences between two stages of estrous cycle (follicular and luteal phase) in the healthy cycling non pregnant ewes. Approach: Twelve ewes were used in this study and they were divided into two groups of 6 animals each according to the stages of … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 1 · 31 Mar 2009 · 8,189 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleHarmonics Phase Shifter for a Three-Phase System with Voltage Control by Integral-Cycle Triggering Mode of ThyristorsI. Badran, A.L. Mahmood, M.T. LazimIn integral-cycle triggering mode of voltage control, subharmonic as well as higher order harmonic components are generated in the load voltage waveforms of a three-phase system. These harmonic components are found to be unbalanced in phase displacement. The correction of the unbalanced phase displacement angles of a particular subharmonic or higher order harmonic for this type of triggering is investigated … …American Journal of Applied Sciences, Vol. 5, Issue 11 · 30 Nov 2008 · 7,110 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleSecurity Policy Development: Towards a Life-Cycle and Logic-Based Verification ModelLuay A. Wahsheh, Jim Alves-FossAlthough security plays a major role in the design of software systems, security requirements and policies are usually added to an already existing system, not created in conjunction with the product. As a result, there are often numerous problems with the overall design. In this paper, we discuss the relationship between software engineering, security engineering, and policy engineering and present … …American Journal of Applied Sciences, Vol. 5, Issue 9 · 30 Sep 2008 · 7,338 accessesView PDF Cite