ring contraction
NOVEL SYNTHESIS OF 2 SUBSTITUTED BENZIMIDAZOLE BY RING CONTRACTION REARRANGEMENT OF 1, 5 BENZODIAZEPINES
... The interaction of aromatic ketones with aldehydes allowed accessing α, β-unsaturated ketones (chalcones) 9. Subsequently, these chalcones 9 were reacted with orthophenylenediamine to give the corresponding 1H-1, ...
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Curvature induced expulsion of actomyosin bundles during cytokinetic ring contraction
... actomyosin ring (Figure ...mm ring diameter), whereas there were ...individual ring-associated actin bundles was measured, we found that on average the bundle was longer in small rings ...on ...
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Actin turnover maintains actin filament homeostasis during cytokinetic ring contraction
... actomyosin ring proteins form clusters in cell ghosts that lack cytosol and G-actin and in latA-treated cells and ...during ring contraction in ...during contraction (Laplante et ...of ...
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Ring contraction in a dinuclear zinc(II) complex of a Robson macrocycle
... producing a corresponding 24-membered Schiff base macro- cycle complex. However, we instead obtained an 18- membered macrocyclic product resulting from an unexpected ring-contraction reaction (Chantrapromma ...
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Development of a Novel Ring Contraction Strategy and Application to the Total Synthesis of Presilphiperfolanol Natural Products
... two-carbon ring contraction reaction, which provided isomeric γ-quaternary ...six-membered ring scaffolds and provides additional chiral building blocks for asymmetric total ...
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Syntheses of combretastatins D 1, D 2, and D 4 via ring contraction by flash vacuum pyrolysis
... 7 formation of 35 at the expense of the desired product 34. The sterically least hindered sulfone 20 afforded the ring-contracted macrolide 31 in 53% yield when submitted to a FVP at 600 °C and 5 " 10 –2 Torr. ...
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Unexpected ring contraction in a dinuclear mercury(II) complex of a pendant arm macrocyclic complex
... 24-membered ring by the nucleophilic additions of the two tertiary amine groups across the C10—N2 bond to form an imidazolidine ring concomitant with the benzyl migration from N2 to ...N1. Ring ...
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Actin turnover ensures uniform tension distribution during cytokinetic actomyosin ring contraction
... We next wondered whether peeling events in adf1-M2 and adf1- M3 cells occur randomly, or whether they occur at specific times relative to the onset of AMR contraction. To investigate this, we collected ...
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Motor activity dependent and independent functions for Myosin II in cytokinesis contribute to actomyosin ring assembly and contraction in Schizosaccharomyces pombe
... actomyosin ring in many eukaryotes ...actomyosin ring, although whether it functions as a motor or as an actin cross-linker to exert its essential role is disputed [1, 4, ...actomyosin ring assembly ...
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Steric hindrance in the upper 50 kDa domain of the motor Myo2p leads to cytokinesis defects in fission yeast
... actomyosin ring that is placed at the division ...actomyosin ring assembly and contraction requires the myosin II heavy chain ...actomyosin ring contraction defects in vitro and in vivo ...
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Arhgef12 drives IL17A-induced airway contractility and airway hyperresponsiveness in mice
... Given the importance of RhoA activation to airway smooth muscle contraction downstream of IL17A, we then performed tracheal ring contraction assays using tracheal rings from Arhgef12-KO[r] ...
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Feedback Regulation of SIN by Etd1 and Rho1 in Fission Yeast
... actomyosin ring constriction (measured as the medial ring diameter during cytokinesis by using the Rlc1-GFP ring marker) and SIN activity (determined by fluo- rescent quantification of the Cdc7-Tom ...
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Remarks on metric transforms and fixed-point theorems
... radial contraction defined on a metric space (X, d) and taking values in a metric transform of (X, d), then in many instances it is also a local radial contraction (with possibly different contraction ...
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Coincidence and Common Fixed Point Using Sequentially Weak Contractive Mapping
... In this paper we are going to introduce the concept of sequentially weak contraction using sequence of function which is uniformly convergent to a continuous function . The concept of sequence of function is ...
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Existence of coincidence point and common fixed point for non commuting almost contraction mapping in cone b metric spaces
... weak contraction mapping which is more general than a contraction ...almost contraction generally does not have a unique fixed point [See Example 1 in ...strict contraction, the Kannan (1968) ...
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The Second Great Contraction
... Figure 1 Varieties of crises: World aggregate, 1900-2008 A composite index of banking, currency, sovereign default and, inflation crises, and stock market crashes weighted by their share[r] ...
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Type conditions of stable range for identification of qualitative generalized classes of rings
... Following Kaplansky [4] a commutative ring is said to be an elementary divisor ring if every matrix A over R is equivalent to a diagonal matrix, i.e. for A there exist such invertible matrices P and Q of ...
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Effective ring
... Throughout this paper all rings will be commutative with nonzero identity. We say that R is a Bezout ring if every finitely generated ideal of R is principal. A nonzero element a in R is said to be adequate to the ...
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Sheet Metal Lift Trolleys : Effects Of Design Differences On Muscle Activity And Subjective Perceptions Of Operators
... Figure 4.3: Maximum voluntary contraction for biceps brachii 45 Figure 4.4: Maximum voluntary contraction for triceps brachii 46 Figure 4.5: Maximum voluntary contraction for lower back [r] ...
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Generalized contraction principle
... Fixed point theorems are proved for contraction maps on M-convex spaces... Fixed Point Theorems, Contraion principle, M-convex spaces..[r] ...
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