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Sign language gloves, intended to help people with visual disabilities, turn fingerspelling into text on a smartphone or computer. But fingerspelling makes up only a small part of the American Sign La...
Switching between oscillations and homeostasis in competing negative and positive feedback motifs
negative feedback positive feedback oscillation noise circadian rhythm
2012/5/2
We analyze a class of network motifs in which a short, two-node positive feed- back motif is inserted in a three-node negative feedback loop. We demonstrate that such networks can undergo a bifurcatio...
The c-MYC oncoprotein, the NAMPT enzyme, the SIRT1-inhibitor DBC1, and the SIRT1 deacetylase form a positive feedback loop
The c-MYC oncoprotein NAMPT enzyme SIRT1-inhibitor DBC1 SIRT1 deacetylase
2012/2/1
Silent information regulator 1 (SIRT1) represents an NAD+-dependent deacetylase that inhibits proapoptotic factors including p53. Here we determined whether SIRT1 is downstream of the prototypic c-MYC...
Mathematical model for positive feedback and temperature induced signal transduction and differential gene regulation in {\it Bordetella pertussis}}
Mathematical model positive feedback temperature induced signal
2011/9/9
Based on the phosphorelay kinetics operative within BvgAS two component system we propose a mathematical model for signal transduction and differential gene regulation in Bordetella pertussis. To unde...
Upper stratospheric ozone decrease events due to a positive feedback between ozone and the ozone dissociation rate
Upper stratospheric ozone decrease events positive feedback ozone dissociation rate
2009/10/30
Ozone measurements taken with a ground based microwave instrument at Lindau (51.66° N, 10.13° E) over some years showed strong ozone decrease events within the stratopause region, particularly during ...
Controlling Chaos in a Semiconductor Laser via Weak Optical Positive Feedback and Modulating Amplitude
chaos control positive feedback period
2007/8/15
2007Vol.47No.3pp.491-494DOI:
Controlling Chaos in a Semiconductor Laser via Weak Optical Positive Feedback and Modulating Amplitude
YAN Sen-Lin
Physical Department, Nanj...