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SUMMARY:Small tools for big questions- How microsensors help us understand
  corals -  Duygu Sevilgen and  Dirk DeBeer
DTSTART:20250523T120000Z
DTEND:20250523T130000Z
UID:TALK232672@talks.cam.ac.uk
CONTACT:Emilio Aldorino
DESCRIPTION:The backbone of our world’s coral reef ecosystems is shaped 
 by countless colonies of stony corals that produce calcium carbonate skele
 tons in a process called biomineralisation. The underlying mechanisms of t
 his process however are still not fully understood. This is striking\, giv
 en that coral reefs are strongly affected by environmental changes such as
  ocean acidification or increases of sea surface temperatures. In this con
 text\, understanding coral responses to environmental threats by understan
 ding their physiology and deciphering the process of biomineralisation has
  become an increasingly important research task.\nVarious indirect and dir
 ect methods are available to study biomineralisation processes. While many
  insights are derived from measurements on dead coral skeleton\, electroch
 emical microsensors (EM) offer a tool to study live animals to tackle the 
 task and add a puzzle piece of understanding. EM are very fine\, minimally
  invasive\, needle-shaped and often home-made instruments that allow for r
 eal time measurements of a large range of analytes on high spatial (µm) a
 nd temporal (ms) resolution. They can be used to characterize the oxygen e
 nvironment (dissolved oxygen concentrations and dynamics\, photosynthesis-
  and respiration rates) and to measure key parameters that are important d
 uring biomineralization (pH\, [Ca2+]\, [CO32-]).\nThis talk will give an o
 verview of to corals\, coral reef ecosystems and the threats they are faci
 ng and will then explore how microsensors help to study them.
LOCATION:Zoom or in-person at Sainsbury Laboratory\, 47 Bateman St\, Cambr
 idge CB2 1LR
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