Research provides new insights on sex chromosome gene expression and sex ratio variations

The molecular mechanisms that regulate the sex ratio of an individual’s offspring remain mostly a mystery. However, in a recent study, researchers at the Gwangju Institute of Science & Technology in Korea found that a novel testes-specific gene called Teshl is essential for the healthy development of Y chromosome-bearing sperm, which helps to ensure a balanced sex ratio for offsprings. Their findings shed light on sex chromosome gene expression and may pave the way to diagnostics and therapeutics for certain types of male infertility.

Although enormous progress…


Their novel framework achieves state-of-the-art performance without sacrificing efficiency in public surveillance tasks

Implementing algorithms that can simultaneously track multiple objects is essential to unlock many applications, from autonomous driving to advanced public surveillance. However, it is difficult for computers to discriminate between detected objects based on their appearance. Now, researchers at the Gwangju Institute of Science and Technology (GIST) adapted deep learning techniques in a multi-object tracking framework, overcoming short-term occlusion and achieving remarkable performance without sacrificing computational speed.

A framework achieves state-of-the-art performance without sacrificing efficiency in public surveillance tasks
A framework achieves state-of-the-art performance without sacrificing efficiency in public surveillance tasks
A framework achieves state-of-the-art performance without sacrificing efficiency in public surveillance tasks

Computer vision has progressed much over the past decade and made its way into all sorts of relevant applications, both…


Scientists report that the alternative-splicing regulator NSrp70 influences immune T cell development

T cells are components of the body’s immune system. The ability of T cells to recognize diverse pathogens and mount a defense against them stems from the way proteins are spliced during their development and maturation. Now, scientists from Korea highlight the importance of a protein called NSrp70, which was previously discovered in T cell subnuclear spaces, in regulating the maturation of these cells, and has implications in T cell-mediated adaptive immunity against viral infection and cancer.

Alternative-splicing regulator NSrp70 influences immune T cell development
Alternative-splicing regulator NSrp70 influences immune T cell development
Alternative-splicing regulator NSrp70 influences immune T cell development

T lymphocytes, or T cells, are immune cells with diverse roles…


A team of scientists has reported an electrochemical reduction reaction pathway that can avoid *CO dimerization to produce 1-butanol from CO2 using copper phosphide as a cathode

Researchers today are looking for ways to convert CO2, which is rapidly accumulating in the atmosphere, into other valuable organic products. Now, scientists from the Gwangju Institute of Science and Technology in South Korea have proposed a reaction for the highly selective production of 1-butanol, a valuable alternative fuel, by electrochemical reduction using copper phosphide electrodes. Their findings offer a new insight on the use of Cu-based electrocatalysts for the electroreduction of CO2.

The production of 1-butanol, a valuable alternative fuel, by electrochemical reduction using copper phosphide electrodes


Scientists have observed a correlation between the presence of intermediate S-polymorph phases in lanthanum-doped bismuth ferrite thin films and their high piezoelectric response

In a new study, researchers from the Gwangju Institute of Science and Technology in Korea have investigated the transformation dynamics induced by an electric field in mixed-phase lanthanum-doped bismuth ferrite (BLFO) epitaxial thin films. They observed a connection between the presence of S/Stilt phases in BLFO film and their high piezoelectricity. These findings can help us design faster and more efficient piezoelectric materials.

a correlation between the presence of intermediate S-polymorph phases in lanthanum-doped bismuth ferrite thin films and their high piezoelectric response
a correlation between the presence of intermediate S-polymorph phases in lanthanum-doped bismuth ferrite thin films and their high piezoelectric response
A correlation between the presence of intermediate S-polymorph phases in lanthanum-doped bismuth ferrite thin films and their high piezoelectric response

What if electricity could be squeezed out of something? It turns out some materials…


A new iron catalyst helps preferentially reduce nitric oxide to hydroxylamine, opening doors to pollution control and clean energy

Our reliance on fossil fuels as a primary energy source has pushed air pollution to an all-time high, resulting in several environmental and health concerns. Among the major pollutants, nitrogen oxide (NOx) accumulation can cause severe respiratory diseases and imbalance in the Earth’s nitrogen cycle. Reducing NOx accumulation is, therefore, an issue of utmost importance.

Recently, the conversion of NOx into harmless or even useful nitrogen products has emerged as a promising strategy. …


Scientists find optimal hydrogen–natural gas blend to trap hydrogen in cage-like molecules more effectively

In our ongoing quest to transform into a more eco-friendly society, hydrogen (H2) is heralded as the clean fuel of tomorrow. Because H2 can be produced from water (H2O) without generating carbon emissions, developing H2-compatible technologies has become a top priority. However, the road ahead is bumpy, and many technical limitations must be ironed out. “Hydrogen is the smallest molecule in nature, and finding feasible ways to store it is a critical issue to realize a hydrogen economy,” states Associate Professor Youngjune Park from the Gwangju…


Scientists combine spectroscopy and deep learning in an efficient technique for detecting spoiled meat

Scientists at Gwangju Institute of Science and Technology, Korea, combine an inexpensive spectroscopy technique with artificial intelligence to develop a new way of assessing the freshness of beef samples. Their method is remarkably quicker and more cost-effective than conventional approaches while maintaining a relatively high accuracy, paving the way for mass-produced devices to identify spoiled meat both in the industry and at home.

Consuming spoiled beef is dangerous, but there are currently no simple and efficient methods to assess beef freshness. Photo courtesy: Unsplash

Although beef is one of the most consumed foods around the world, eating it when it’s past its prime is not only unsavory…


Scientists develop a radiative cooler that keeps wearable devices cool even under direct sunlight

Wearable devices and biosensors are prone to heating up, especially under sunlight. However, conventional radiative coolers contain metallic materials, which limits wireless communications. Now scientists from Korea and the USA have developed a new type of radiative cooler using perforated polymers that keep the gadgets cool and fully functional under heat, paving the way for thermally protected wearable devices for health monitoring.

Wearable devices and biosensors for outdoor use require innovative designs and novel materials capable of keeping down their temperature, even in sunlight | Photo courtesy: Ketut Subiyanto at Pexels
Wearable devices and biosensors for outdoor use require innovative designs and novel materials capable of keeping down their temperature, even in sunlight | Photo courtesy: Ketut Subiyanto at Pexels
Wearable devices and biosensors for outdoor use require innovative designs and novel materials capable of keeping down their temperature, even in sunlight | Photo courtesy: Ketut Subiyanto at Pexels

Wearable electronic devices like fitness trackers and biosensors, are very promising for healthcare applications and research. They can be used to measure relevant biosignals…


A seemingly small difference in global warming levels could greatly impact wildfires worldwide, researchers have found

The landmark 2015 Paris Agreement resulted in multiple studies examining the impact of global temperature increases, but these rarely investigate the effect of warming on “fire weather” conditions. Now, in a new study, scientists have found that by projecting two different types of fire weather conditions, an additional half-degree of warming could drastically increase the likelihood and significance of blazes worldwide.

Wildfires | Photo Credit: Pexels

Under the 2015 Paris Agreement, the United Nations Framework Convention on Climate Change agreed to pursue efforts to limit the temperature increase to…

Gwangju Institute of Science and Technology (GIST)

GIST is a research-oriented university & a prestigious school in science and technology, located at Gwangju, South Korea. Visit: https://www.gist.ac.kr/en/

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