Phase variation
Selection for phase variation of LOS biosynthetic genes frequently occurs in progression of non-typeable Haemophilus influenzae infection from the nasopharynx to the middle ear of human patients.
... LOS phase variation after exposure to human serum [11], and in the colonisation of the human nasopharynx in a new human model of NTHi colonisation ...the phase variation of seven LOS ...
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Phase variation of poly-N-acetylglucosamine expression in Staphylococcus aureus.
... of phase variation in PIA/PNAG expression that appears to involve slipped-strand ...of phase variation for PIA/PNAG expression, that high-level production of PIA/PNAG carries a fitness cost, ...
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Chlamydia Trachomatis in vivo to in vitro transition reveals mechanisms of phase variation and down-regulation of virulence factors
... putative phase variation mechanism may contribute for the quick adapta- tion of ...is phase-variable, since LPS phenotypic variation was found within a popula- tion in tissue ...organisms, ...
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Pilus phase variation switches gonococcal adherence to invasion by caveolin-1-dependent host cell signaling.
... caveolin-pY14-Vav2 complex followed by the activation of RhoA and the formation of actin aggregates underneath gonococcal microcolonies. Natural pilus phase variation leads to the formation of non-piliated ...
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An inventory model for deteriorating items with varying demand pattern and unknown time horizon
... demand variation within each ...three-phase variation in ...pattern variation occur in multi-period inventory modeling are also ...for variation in demand pattern within replenishment ...
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Characterization and differential gene expression between two phenotypic phase variants in Salmonella enterica serovar Typhimurium.
... virulent phase represent a dose too low to exert clinical ...adhesive phase cells always produce some non-adhesive phase cells, low cell numbers can be ...of phase variation from the ...
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J. Microw. Optoelectron. Electromagn. Appl. vol.16 número2
... with variation of phasing element size, S11 and S21 amplitudes for different values of ld are demonstrated in figure ...reflection phase and amplitude at K band and transmission amplitude at X band are ...
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Emboli detection in middle cerebral artery using continuous wavelet transform
... Given the different properties of MCA blood flow signals along the cardiac cycle, it is important to study the presence of embolic events in different local- izations within the signal. Thus, embolic events were added in ...
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J. Microw. Optoelectron. Electromagn. Appl. vol.10 número1
... It is possible to develop an analytical method for this design based on the results, where it is verified that the exact phase errors vary with the requirements of gain, the dimensions of the waveguide and the ...
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Double Kinetics of Intermetallic Phase Precipitation in UNS S32205 Duplex Stainless Steels Submitted to Isothermal Heat Treatment
... A quantitative stereological analysis was performed to determine the area fraction occupied by the precipitates, the average area of the precipitates, and the circularity of the intermetallic precipitates. The ...
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APPLICATION OF QC TOOLS FOR CONTINUOUS IMPROVEMENT IN AN EXPENSIVE SEAT HARDFACING PROCESS USING TIG WELDING
... variation, Stellite rod feed variation, Head diameter variation, Tungsten electrode tip burn off more, Wrong tungsten electrode tip grinding method, Seat recess form not[r] ...
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Phase transfer catalysis.
... PHASE TRANSFER CATALYSIS - Since its discovery, phase transfer catalysis (PTC) has grown considerably and nowadays is one of the most versatile preparative methods. The search for new catalysts, their use ...
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Analytical Determining Of The Steinmetz Equivalent Diagram Elements Of Single-Phase Transformer
... THE transformer is one of the important elements constituting the electrical systems. In order to predict, the electrical chain performance, a relevant model of transformer is required. Therefore, different transformer ...
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How did the solar wind structure change around the solar maximum? From interplanetary scintillation observation
... the variation of the solar wind ve- locity structure from 1998 (rising phase) to 2001 (after solar maximum), and compare our TST results with Ulysses solar maximum observations to test the validity of our ...
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A study on using interface animations in online shopping sites
... The research methodology Phase 1 Theoretical Background Literature Review Phase 2 Theoretical Background Exploratory analysis Phase 3 The Experiment. Experimental A/B Test, a study of[r] ...
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p-charts in the quality control of the grading process in the high education
... process variation, and we should (if feasible) build desirable assignable causes into the ...process variation, the process meets all the requirements and doing all it can be expected to ...
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Phase Separation and Phase Preferences in Pigmented, Impact-Modified, PCPBT Blends
... The cobalt aluminate pigment column stationary phase was prepared by mixing the pigment with an “inert” support, Chromosorb ® W AW DCMS, particle size 60-80 mesh. This procedure is necessary to avoid any ...
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Solid-phase extraction (SPE) and solid-phase microextraction of pyrethroids in water.
... Para efeito comparativo, determinou-se o tempo de extração, após o qual foram obtidos cromatogramas com as áreas semelhantes às obtidas na extração por SPE, partindo-se da amostra de mes[r] ...
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Fisioter. mov. vol.29 número4
... To investigate the association between co-contraction normalized by MV)C and PEA, the data were plotted on a dispersion diagram in order to verify the existence of a tendency to correlation. Based on the tendency to ...
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Three-phase phononic materials
... consisting of three phases, see Fig. 1. The first phase is an elastic matrix, the second phase corre- sponds to medium-size inclusions periodically embedded in the elastic matrix. These inclusions ...
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