Artículos Científicos

16/09/2022

Dejo de publicar acá,gracias a face y sus ganas de fastidiar,gracias a todos y sigan con la ciencia,yo intentaré continuar publicando en el grupo

13/09/2022

Una ventana al sistema nervioso de la mosca de la fruta

Scientists at EPFL have developed an implantation technique that allows unprecedented optical access to the "spinal cord" of the fruit fly, Drosophila melanogaster. This work can potentially lead to breakthroughs in the fields of neuroscience, artificial intelligence, and bio-inspired robotics.

13/09/2022

La comunicación de las coníferas es compleja y puede verse alterada por la contaminación del aire

Conifers are dominant tree species in boreal forests, but they are susceptible to attack by bark beetles. A new study from the University of Eastern Finland shows that upon attack by bark-feeding weevils, conifers release substantial quantities of volatile organic compounds that provide important cu...

13/09/2022

Naturaleza vs laboratorio: Las diferencias entre evolución experimental y adaptación natural

Humans have unwittingly been carrying out evolution experiments for millennia through the domestication of plants, animals, and fungi. Starting with the seminal experiments of William Dallinger in the late 19th century, such experiments have been performed under controlled laboratory conditions to b...

13/09/2022

La investigación con células madre sanguíneas que podría cambiar la medicina del futuro

Biomedical engineers and medical researchers at UNSW Sydney have independently made discoveries about embryonic blood stem cell creation that could one day eliminate the need for blood stem cell donors.

13/09/2022

Los cultivos que crecen juntos cooperan mejor en solo dos generaciones

Growing multiple food crops together is a more sustainable farming practice mimicking highly productive wild plant communities. This process, known as intercropping, takes advantage of complementary features of different types of crops to maximize production and minimize the need for fertilizers and...

13/09/2022

Avance informado en la química cuántica mejorada por aprendizaje automático

In a new study, published in Proceedings of the National Academy of Sciences, researchers from Los Alamos National Laboratory have proposed incorporating more of the mathematics of quantum mechanics into the structure of the machine learning predictions. Using the specific positions of atoms within....

13/09/2022

Un nuevo método para imprimir espejos de tamaño variable con una reflectividad superior al 99%

Dielectric mirrors, also referred to as Bragg mirrors, reflect light nearly completely. Hence, they are suited for various applications, such as camera systems and sensor systems for microscopy and medical technologies. So far, such mirrors have been produced by complex processes in expensive vacuum...

13/09/2022

Determinación precisa de los niveles de energía de diferentes materiales solares para dispositivos de alto rendimiento

An electronic mismatch in the pairs of materials used to make organic solar cells can enhance cell operation, KAUST researchers have shown. The surprise finding—published in Advanced Materials and made following a comprehensive reanalysis of state-of-the-art organic solar materials—should enable...

13/09/2022

Los investigadores abordan la meteorización ambiental de los microplásticos y la absorción de contaminantes

In a new paper by faculty and students in LSU Chemical Engineering and Chemistry published in ACS Environmental Au, the group details its research into the effects of weathering on microplastics and how it might increase pollutant uptake.

13/09/2022

Investigadores proponen nueva estrategia de acoplamiento para el tratamiento orgánico de aguas residuales

A joint research group led by Prof. Sun Chenglin, Prof. Wei Huangzhao and Prof. Li Rengui from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) has developed a new coupling strategy of photocatalytic water oxidation and catalytic wet peroxide oxidation (Photo-...

13/09/2022

Una nueva técnica para medir las temperaturas en las llamas de combustión podría conducir a biocombustibles más limpios

A new X-ray technique to measure temperatures in combustion flames could lead to cleaner biofuels.

13/09/2022

Los científicos desarrollan un método para convertir las aguas residuales industriales ácidas peligrosas en recursos valiosos

A research team of environmental scientists from Ben-Gurion University of the Negev has developed a circular process for eliminating the risk posed by phosphoric acid plant wastewater. The process turns the environmentally toxic wastewater into clean water while recovering valuable acids. Phosphoric...

13/09/2022

Los investigadores exploran las enzimas que usan un catión, no la adición de oxígeno, para impulsar las reacciones.

Researchers from North Carolina State University and the University of Texas at Austin have defined the structure of a substrate-bound iron 2-oxoglutarate (Fe/2OG) enzyme to explore whether these enzymes could be used to create a wide array of molecules. They probed the enzyme's active site to deter...

13/09/2022

Un descubrimiento revolucionario en la conversión de captura de carbono para la producción de etileno

A team of researchers led by Meenesh Singh at University of Illinois Chicago has discovered a way to convert 100% of carbon dioxide captured from industrial exhaust into ethylene, a key building block for plastic products.

13/09/2022

Una película de plástico que puede matar virus usando luces de la habitación

Researchers at Queen's University Belfast have developed a plastic film that can kill viruses that land on its surface with room light. The self-sterilizing film is the first of its kind—it is low cost to produce, can be readily scaled and could be used for disposable aprons, tablecloths, and curt...

13/09/2022

Construcción de andamios utilizando elementos exóticos: el equipo de investigación logra crear nuevos marcos orgánicos de metal

After their discovery 25 years ago, metal-organic frameworks (MOFs) quickly gained the aura of a "miracle material" due to their particular properties: their large inner surfaces and tuneable pore sizes facilitate improved applications, for example, in materials separation and gas storage.

13/09/2022

Microestructura ferroeléctrica única revelada por primera vez

A team of researchers have observed and reported for the first time the unique microstructure of a novel ferroelectric material, enabling the development of lead-free piezoelectric materials for electronics, sensors, and energy storage that are safer for human use. This work was led by the Alem Grou...

13/09/2022

Solar Orbiter resuelve el misterio del cambio magnético

With data from its closest pass of the sun yet, the ESA/NASA Solar Orbiter spacecraft has found compelling clues as to the origin of magnetic switchbacks, and points towards how their physical formation mechanism might help accelerate the solar wind.

13/09/2022

El telescopio Webb captura imágenes 'impresionantes' de la Nebulosa de Orión

The wall of dense gas and dust resembles a massive winged creature, its glowing maw lit by a bright star as it soars through cosmic filaments.

13/09/2022

Un nuevo estudio experimental aborda el misterio sin resolver de las 'nanoburbujas'

Nanobubbles are extremely small (i.e., nanoscopic) gaseous cavities that some physicists observed in aqueous solutions, typically after specific substances were dissolved in them. While some studies reported the observation of these incredibly tiny bubbles, some scientists have argued that they are....

13/09/2022

Construyendo mejores sensores cuánticos

Usually, a defect in a diamond is a bad thing. But for engineers, miniscule blips in a diamond's otherwise stiff crystal structure are paving the way for ultrasensitive quantum sensors that push the limits of today's technologies. Now, researchers at the University of Chicago's Pritzker School of Mo...

13/09/2022

El láser de 937 nm de alto rendimiento permite a los científicos ver más profundo con menor potencia

Two-photon microscopy (2PM) plays a reliably efficient role in noninvasive deep-tissue imaging in biomedical investigation. Since the invention of the two-photon microscope at the end of the 20th century, there has been a steady flow of related research advancing 2PM—from fluorophores to imaging m...

13/09/2022

Un nuevo algoritmo cuántico resuelve un problema crítico de química cuántica mediante la adaptación a lo largo de un camino geométrico

A team of researchers from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Stony Brook University have devised a new quantum algorithm to compute the lowest energies of molecules at specific configurations during chemical reactions, including when their chemical bonds are br...

13/09/2022

Nuevo instrumento basado en láser diseñado para impulsar la investigación del hidrógeno

Researchers have developed an analytical instrument that uses an ultrafast laser for precise temperature and concentration measurements of hydrogen. Their new approach could help advance the study of greener hydrogen-based fuels for use in spacecraft and airplanes.

13/09/2022

La manipulación suave y versátil de la luz en el chip ahora es posible con la supersimetría

Transformation optics has formulated a versatile framework to mold the flow of light and tailor its spatial characteristics at will. The coordinate transformation often yields extreme material parameters unfeasible even with metamaterials.

13/09/2022

Transferencia de un patrón de dominio entre la magnetización y el espacio de polarización eléctrica lograda por primera vez

Translation of information from one state into another is key to our society. The general purpose of this information transfer is making information accessible, easier to process and to store.

13/09/2022

La termodinámica de la vida tomando forma

Revealing the scientific laws that govern our world is often considered the "holy grail" by scientists, as such discoveries have wide-ranging implications. In an exciting development from Japan, scientists have shown how to use geometric representations to encode the laws of thermodynamics, and appl...

13/09/2022

El extraño comportamiento del sonido a través de los sólidos

Not everything needs to be seen to be believed; certain things are more readily heard, like a train approaching its station. In a recent paper, published in Physical Review Letters, researchers have put their ears to the rail, discovering a new property of scattering amplitudes based on their study....

13/09/2022

Rompiendo una regla óptica: los ingenieros encuentran una manera de manipular la luz a nanoescala

If you're going to break a rule with style, make sure everybody sees it. That's the goal of engineers at Rice University who hope to improve screens for virtual reality, 3D displays and optical technologies in general.

13/09/2022

Fabricación de miniimanes que inducen un efecto Hall anómalo cuántico

A new device has been fabricated that can demonstrate the quantum anomalous Hall effect, in which tiny, discrete voltage steps are generated by an external magnetic field. This work may enable extremely low-power electronics, as well as future quantum computers.

13/09/2022

Modelado 3D de membranas microscópicas que subyacen a los procesos celulares

Cell membranes transition seamlessly between distinct 3D configurations. It is a remarkable feature that is essential for several biological phenomena such as cell division, cell mobility, transport of nutrients into cells, and viral infections. Researchers at the Indian Institute of Science (IISc)....

13/09/2022

Los investigadores diseñan una descripción teórica de los estados topológicos inducidos por la luz

Topological materials that possess certain atomic-level symmetries, including topological insulators and topological semi-metals, have elicited fascination among many condensed matter scientists because of their complex electronic properties. Now, researchers in Japan have demonstrated that a normal...

13/09/2022

SERS asistido por interfaz líquida podría ver una detección más temprana de la enfermedad de Alzheimer

A new publication from Opto-Electronic Advances discusses label-free trace detection of bio-molecules by liquid-interface assisted surface-enhanced Raman scattering using a microfluidic chip.

13/09/2022

Manipulación espaciotemporal de pulsos de luz de femtosegundos para dispositivos en chip

A new publication from Opto-Electronic Advances discusses spatiotemporal manipulation of femtosecond light pulses for on-chip devices.