生物谷

Cell signal.：贺林等发现三个杂合新突变

在第一次遇到外来抗原后，具有免疫球蛋白M（IgM）B细胞受体（BCRs）的初始B细胞引发首次抗体反应，并产生具有IgG BCRs的记忆B细胞。当这些记忆B细胞再次遇到相同的抗原时，细胞表面的IgG BCRs刺激它们迅速分化成浆细胞释放大量的IgG抗体。 7月31日，SCI signal杂志 ...
EDN

Frequency domain tutorial, part 2: complex signals and spectral diagrams

Figure 4. A snapshot, in time, of two complex numbers whose exponents, and thus their phase angles, change with time. The notion of negative frequency is often troubling to engineers who've spent so ...
生物谷

Sci signal：揭示对机体T细胞存活非常重要的一种新型信号通路

循环肿瘤细胞(CTCs)是从原发肿瘤脱落并渗入血液并在血液中循环的肿瘤细胞。了解CTC的转移级联对于识别抗肿瘤转移的靶点具有巨大的潜力。 MET酪氨酸激酶是一种肝细胞生长因子(HGF)受体，在肿瘤生长、转移和耐药中起重要作用。线粒体是高度动态的，处于分裂 ...
Design-Reuse

Tutorial: Enhance Your Signal Processing Toolbox with Complex Notation

As the speed of DSP's and digital hardware keeps increasing, software and digital hardware are replacing traditional analog hardware, making today's gizmos and gadgets smarter, more reliable, less ...