منابع مشابه
Caught in the Net: Perineuronal Nets and Addiction
Exposure to drugs of abuse induces plasticity in the brain and creates persistent drug-related memories. These changes in plasticity and persistent drug memories are believed to produce aberrant motivation and reinforcement contributing to addiction. Most studies have explored the effect drugs of abuse have on pre- and postsynaptic cells and astrocytes; however, more recently, attention has shi...
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In a robotic soccer team, goalkeeper is an important challenging role, which has different characteristics from the other teammates. This paper proposes a new learning-based behavior model for a soccer goalkeeper robot by using Petri nets. The model focuses on modeling and analyzing, both qualitatively and quantitatively, for the goalkeeper role so that we have a model-based knowledge of the ta...
متن کاملCaught in the act
Along with replication and mutability, living beings are set apart from the mineral background they inhabit by their metabolism—their ability to catalyse chemical reactions. Since Linus Pauling first proposed that these reactions are made pos sible by enzymes that recognize and bind tightly to their substrates at a crucial transi tion point [1], it has become increasingly clear that understan...
متن کاملCaught Between Two Principals
Mutual fund providers serve two principals with opposing interests: their owners, who want them to maximize profits, and their fund shareholders, who want them to maximize fund returns. I investigate what role is played by customer power and information, as well as by competition among fund providers in influencing the balance of power between these two opposing principals. Using a data set of ...
متن کاملSynthetic Biology: Caught
Novel artificial genetic systems with twelve bases instead of four. 1 Bacteria that can be programmed to take photographs 2 or form visible patterns. 3 Cells that can count the number of times they divide. 4 A live polio virus " created from scratch using mail-order segments of DNA and a viral genome map that is freely available on the Internet. " 5 These are some of the remarkable, and occasio...
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ژورنال
عنوان ژورنال: Nature Reviews Immunology
سال: 2020
ISSN: 1474-1733,1474-1741
DOI: 10.1038/s41577-020-0384-4