Ruth Bader Ginsburg also known by her initials RBG, was an American jurist who served as an associate justice of the Supreme Court of the United States from ...
Iran vows 'hit' on all involved in US killing of top general ... Mexican president vows to pay US water debt, thanks Trump ... September 19, 2020, 7:20 AM ... Russian opposition leader Alexei Navalny says he is recovering his verbal and ... into a second lockdown over COVID-19 for three weeks during the Rosh Hashana and ...
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6 hours ago - Winston Francis Groom Jr.
(March 23, 1943 – September 16, 2020) was an American novelist and
non-fiction writer. He was best known for writing Forrest Gump, which
was adapted into the popular 1994 film Forrest Gump directed by Robert
Zemeckis. The film was considered a cultural phenomenon and won six
Academy Awards.
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Nathaniel "Toots" Hibbert, O.J. (8 December 1942 – 11 September 2020)
was a Jamaican singer and songwriter who was the lead vocalist for the
reggae and ska band Toots and the Maytals. A reggae pioneer, he performed for six decades and helped establish some of the fundamentals of reggae music.
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Nanoparticles
functionalization is a modern strategy in nanotechnology to build up
devices for several applications. Modelling fully decorated metal oxide
nanoparticles of realistic size (few nanometers) in an aqueous
environment is a challenging task. In this work we present a case study,
relevant for solar-light exploitation and for biomedical applications,
i.e. a dopamine-functionalized TiO2 nanoparticle (1700
atoms) in bulk water, for which we have performed an extensive
comparative investigation with both MM and QM/MM approaches of the
structural properties and of the conformational dynamics. We have used a
combined multi-scale protocol for a more efficient exploration of the
complex conformational space. On the basis of the results of this study
and of some QM and experimental data, we have defined strengths and
limitations of the existing force field parameters. Our findings will be
useful for an
Several
examples of nanosized therapeutic and imaging agents have been proposed
to date, yet for most of them there is a low chance of clinical
translation due to long-term in vivo retention and toxicity risks. The
realization of nano-agents that can be removed from the body after use
remains thus a great challenge. Here, we demonstrate that
non-equilibrium gold-iron alloys behave as shape-morphing nanocrystals
with the properties of self-degradable multifunctional nanomedicines.
DFT calculations combined with mixing enthalpy-weighted alloying
simulations predict that Au-Fe solid solutions can exhibit
self-degradation in aqueous environment if the Fe content exceeds a
threshold that depends upon element topology in the nanocrystals.
Exploiting a laser-assisted synthesis route, we experimentally confirm
that non-equilibrium Au-Fe nanoalloys have a 4D behavior, that is the
ability to change shape, size and structure over time, becoming
ultrasmall Au-rich nanocrystals. In vivo tests
6 hours ago - Ankara is currently facing off against Greece and Cyprus over oil and gas ... and raise funds for businesses affected by the coronavirus pandemic. ... Last Saturday, Turkish President Recep Tayyip Erdogan warned Greece to enter talks over ... Speaking after a meeting with visiting Maltese Foreign Minister ...
Jump to Sea - The Riau Islands (Indonesian: Kepulauan Riau) is a province of Indonesia. ... Situated on one of the world's busiest shipping lanes along the Malacca Strait and the South China Sea, the province shares water borders with neighboring countries such as Singapore, Malaysia, and Vietnam.