Two roles of the actin cytoskeleton in T cell activation Figure 2: Model for actin dynamics in three stages of immunological synapse formation. Following antigen receptor triggering, it is clear that ...

There are many different types of cells in animals. Each type is specialised for a particular role. These ensure that the organism functions as a whole. The head of the sperm contains the genetic ...

Nanomedicine uses ultra-small particles to deliver drugs directly to the tissues and cells that need them, improving treatment effectiveness while reducing side effects. This approach underpins some ...

The science is unsettled, but researchers say there is cause for concern. Tiny plastic particles like these—called microplastics—are added to some exfoliating skincare gels and can get into the ...

Certain nutrients, such as calcium, vitamin D, and vitamin K, play crucial roles in maintaining bone health. Research into the effectiveness of taking supplements to prevent or manage osteoporosis is ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Non-Commercial (NC): Only non-commercial uses of the ...

Traditional open trench and wave-impeding block barriers often suffer from narrow vibration isolation bandwidths, and their performance is further affected by tunnel scattering. To overcome these ...

Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, 465 Kajii-cho, Kyoto 602-8566, Japan ...