近日，山东师范大学生命科学学院陈颜、周军和王翊洁教授团队在国际权威期刊Nature Communications上发表题为“The UFL1-AKT positive feedback loop promotes breast cancer ...

Engineers use feedback loops — typically negative feedback is more useful, but positive feedback is needed for oscillators. Negative feedback in an amplifier circuit, which has a negative loop gain, ...