Chemistry
Photolab
Fluorescence in motion
When added to viscous alcohol using a pipette, aminoquinoline slowly rises due to differences in density between the two substances, and as they mix, a fluorescent glow is emitted, visible in black light
By Redação
Public health
Lead in the Paris air
A ton of lead may have been deposited over a 1 kilometer radius around Notre-Dame Cathedral in Paris as a result of the April 2019 fire
By Redação
Biochemistry
Venomous amphibians
Caecilians are venomous animals, capable of injecting venom into their prey, say researchers from the Butantan Institute
By Redação
COVID-19
A SARS-CoV-2-proof fabric
Researchers from São Paulo–based company Nanox have developed a fabric containing silver nanoparticles that can inactivate the novel coronavirus, SARS-CoV-2
By Redação
Innovation
From cocoons to bones
A team has developed a potentially simpler, faster, and cheaper strategy for producing a biocompatible material that can be used as a scaffold for repairing long bones
By Redação
Covid-19
Self-isolation and city air
Self-isolation measures have cleared city streets, leading to a decrease in air pollution
By Redação
Materials engineering
Homegrown graphene
Graphene production facilities in Brazil’s Southeast and South place the country among the global producers of the high-tech material
Chemistry
Paper and sponge made from pollen
Researchers transformed grains of sunflower pollen into a microgel with controllable properties and synthesized products with consistencies of gel, paper, and sponge
By Redação
Pesquisa Fapesp 20 Years
Partnerships for innovation
PESQUISA FAPESP has extensively covered developments and research in bioplastics
Good practices
Article retracted by Nobel Prize winner
Frances Arnold, winner of the 2018 Nobel Prize in Chemistry for her work on the evolution of enzymes, announced on Twitter that her group was retracting a scientific article published last year
By Redação
Video
A blue pigment from beets
How chemist Erick Bastos' team, from the Chemistry Institute of the University of São Paulo, created a natural dye with industrial potential | 2'48
By Redação
Environment
Oil spill spreads
Analysis suggests three potential sources of the oil near the Brazilian coast
Pesquisa Fapesp 20 Years
Early inoculants
The first products made with nitrogen-fixing bacteria for soybean crops date back to the 1960s
Electric Mobility
Lithium batteries made in Brazil
New initiatives set to propel Brazil into the growing market for automotive energy storage systems
Public Health
Deaths linked to e-cigarettes
As of September 27, at least 12 deaths caused by lung problems in the USA have been attributed to the use of electronic cigarettes
By Redação
Pharmacology
Material releases drug at regular intervals
An international group of researchers has developed a nanostructured material capable of releasing drugs in low concentrations at regular intervals
By Redação
Genetics
The glowing mosquito from Vale do Ribeira
It may be possible to genetically engineer the larvae of disease-causing mosquitoes such as Aedes aegypti to make them glow
By Redação
Geology
Diamonds as old as the Earth
Mined in the municipality of Juína, Mato Grosso State, the diamonds were formed 410–660 kilometers deep inside the Earth
By Redação