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Binding of antigens to IgE already bound by the FcεRI on mast cells causes cross-linking of the bound IgE and the aggregation of the underlying FcεRI, leading to degranulation (the release of mediators) and the secretion of several types of type 2 cytokines like interleukin (IL)-3 and stem cell factor (SCF), which both help the mast cells ...
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SIMS requires a high vacuum with pressures below 10 −4 Pa (roughly 10 −6 mbar or torr). This is needed to ensure that secondary ions do not collide with background gases on their way to the detector (i.e. the mean free path of gas molecules within the detector must be large compared to the size of the instrument), and it also limits surface ...
This test question appeared on a Luther Burbank High School biology final in June 2024. Student names were obscured by the sources who provided the images to the Sacramento Bee.
MILWAUKEE — The teacher and the student killed in the tragic shooting at a Madison, Wisconsin, private school were identified by a medical examiner's office on Wednesday. The Dane County Medical ...
The swiftly expanding numbers — as well in the year-on-year bounce from 4.9 million to 6.78 million for the top-ranking route, Cairo-Jeddah is up by 1.3 million, and Asia Pacific routes have ...
The high-affinity IgE receptor, also known as FcεRI, or Fc epsilon RI, is the high-affinity receptor for the Fc region of immunoglobulin E (IgE), an antibody isotype involved in allergy disorders and parasite immunity. FcεRI is a tetrameric receptor complex that binds Fc portion of the ε heavy chain of IgE. [1]
LONDON/SYDNEY (Reuters) -The U.S. dollar was poised for a big weekly gain on Friday, towering near one-year highs as a hawkish turn from the Federal Reserve chief sent short-term Treasury yields ...