Science
With open facilities, the Brazilian Synchrotron Light Laboratory (LNLS) annually welcomes about 1200 Brazilian and foreign researchers, committed to more than 400 studies that result in approximately 200 articles published in scientific journals. Check out below some of the many investigations that have benefited from LNLS facilities.

August 28th, 2017

Research analyzes the effect of nanoparticles formed during the preparation of Li-RHC with addition of $\rm TiO_2$

The search for clean, renewable and cheap energy sources has intensified in recent years with the growing consensus that the rise in the planet's average temperature, and the consequent intensification of extreme weather events, is caused by human action. Hydrogen ($\rm H_2$) is one of the best alternatives to fossil fuels, especially because its combustion has only water vapor as final product. However, the economic viability of the production, storage and distribution of hydrogen for power generation still requires solutions for several technological challenges.

June 14th, 2017

Encapsulation and addition of excipients were demonstrated to be promising

Lactose is the main carbohydrate present in milk. To be digested and absorbed by the body, it must be broken down into its constituents: glucose and galactose. The breakdown is catalyzed by an enzyme called lactase, produced in the small intestine of young mammals especially for the digestion of the maternal milk.

June 7th, 2017

Results are important for the production of fuel cells to direct ethanol

In internal combustion engines, various toxic substances - such as $\rm CO$, $\rm NO_2$ - are produced due to the incomplete breakdown of fuels. By decreasing the activation energy required for complete combustion to occur, catalysts aid in transforming these products into less toxic gases - such as carbon dioxide ($\rm CO_2$), methane ($\rm CH_4$).

May 31st, 2017

Findings can open the way to broad-spectrum antiviral drugs against ZIKV

Though initially described as a mild version of dengue fever, the Zika virus (ZIKV) outbreak in the Americas unexpectedly revealed major neurological impacts as fetal microcephaly or other congenital brain injuries when women are infected during pregnancy and Guillain-Barre´ syndrome (a disorder in which the body's immune system damages the nerves) in adults. It can be transmitted both by the insect vector and sexual contact. Its outbreak became a global health threat of complex epidemiology and devastating neurological impacts, therefore requiring urgent efforts towards the development of novel efficacious and safe antiviral drugs.

May 24th, 2017

Researchers investigate the preservation of soft tissues during fossilization

Everything we know about the organisms that lived thousands of years ago comes from the fossils they left behind. The formation of fossils is an extremely rare phenomenon. It depends on the burial of the organism, the chemical processes responsible for its conservation and the non-destruction of the resulting fossil by later geological processes.

April 10th, 2017

Reaction is an important step in the transformation of carbon dioxide into fuels

In 2016, the concentration of carbon dioxide ($\rm CO_2$) in the atmosphere has exceeded 400 ppm (parts per million), and has increased year by year since the beginning of the industrial revolution, when human activity began to inject more carbon into the atmosphere than the what the environment is capable of absorbing. The increase in the concentration of both $\rm CO_2$ and other greenhouse gases in the atmosphere is currently considered the main cause of the rise in the average temperature of the planet, which leads to the intensification of extreme climatic events.

March 27th, 2017

Study shows the validity of mini-brains as a model for embryonic neurodevelopment.

The study of the embryonic development of the human brain and the distribution of nutrients during this phase was for a long time limited to animal models and dead human tissues. Much has changed with the so-called organoids: mini-organs created in vitro in the laboratory, from a few cells of the organ themselves, from embryonic stem cells or from pluripotent cells. These organoids present a three-dimensional micro-anatomy similar to the real organ but more simplified.

March 20th, 2017

A detailed characterization of platinum-cerium-alumina model catalysts under Water Gas Shift conditions have been performed.

In the water gas shift (WGS) reaction, CO reacts with steam producing $\rm CO_2$ and $\rm H_2$. It is an important reaction to decrease the CO level in the syngas, deriving from the process of steam reforming of natural gas or other sources. In addition, WGS is one of the main reactions to produce $\mathbf{H_2}$ at industrial scale. In that case, it is performed in two steps: the first one at high temperature, with iron-based catalysts, and the second one at low temperature, with copper-based catalysts.

March 6th, 2017

Results suggest that ionic liquid hybrid organosilica/Pd-NPs under multiphase conditions operate akin to catalytically active membranes.

It is well known that for many metal-catalyzed reactions the support influences the catalytic properties of the metal particles. The strong metal−support interaction (SMSI) effect may be due to: (i) geometrical effects: for example, the metallic nanoparticles (MNPs) are capped by functional groups from the support that migrate to the surface of the nanoparticles during the reaction; (ii) electronic effects: charge transfer between support and nanoparticle.

February 20th, 2017

The proposed process could offer important technological and environmental advantages.

Growth in the use of high quality colored ceramics has stimulated research into the development of new classes of pigments with superior durability and color reproducibility, which can be produced using inexpensive, straightforward, and eco-friendly synthesis procedures.