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Usnic acid is a
naturally occurring dibenzofuran derivative found in
several lichen species with the
formula C18H16O7. It was
first isolated by German...
-
usNIC (user-space NIC) is Cisco's low-latency
computer networking product for MPI over 10
Gigabit Ethernet in high-performance computing. It operates...
-
accord with the
reported presence of the
known lichenous natural product usnic acid,
though as of 2015, no
report appears indicating the
standard cyanobacterial...
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Exposure to UV-B
radiation induces the ac****ulation of
usnic acid and
melanic compounds.
Usnic acid is
thought to play a role in
protecting the photosymbiont...
- The U.S.
National Ice
Center (
USNIC) is a tri-agency
operational center and
echelon V
command of the
Naval Oceanographic Office (NAVOCEANO),
whose mission...
-
distinguished by the
presence of
specific secondary metabolites including usnic acid and
protolichinestrinic acid in its tissues. The
lichen was
first named...
- properties, as many of the
secondary metabolites are
antimicrobial (e.g.,
Usnic acid), but it also has the
unique distinction of
being harvested and sold...
-
determined by the
photosynthetic component.
Special pigments, such as
yellow usnic acid, give
lichens a
variety of colors,
including reds, oranges, yellows...
- to the
action of
lichen phenolics such as
usnic acid derivatives. From the 1950s the
lichen product usnic acid was the
object of most
antitumour research...
-
South Georgia Island. As of
August 2023, the U.S.
National Ice
Center (
USNIC)
still lists one
extant piece of B-15 that
meets the
minimum threshold for...
