Chemistry

Giants in History: Known for her pioneering contributions to bio-organic chemistry, Darshan Ranganathan (4 June 1941 – 4 June 2001) is considered India’s most prolific chemist.

A research group has revealed a new cobalt-chromium-based alloy that shares the strength, ductility and flexibility of human bones, making it ideal for implants that replace or support damaged bones.

Giants in History: Known as Mr. Natural Rubber, chemist and researcher B. C. Shekhar (17 November 1929 – 6 September 2006) introduced a number of technical innovations that helped put Malaysia’s natural rubber industry on the world map.

Researchers in Japan demonstrated the benefits of a new non-radioactive, neutral negative staining reagent by imaging viruses at nanometer-scale.

Tetraphenylammonium, with all four hydrogens of ammonium (NH4+) replaced with benzene rings, has neither been discovered in nature nor chemically synthesized, calling into question whether it could exist. Here, we succeeded in synthesizing tetraphenylammonium for the first time, demonstrating its stable existence. The synthetic strategy used in this study, radical coupling, may be applicable to the synthesis of various related ammoniums with high structural novelty.

Scientists have synthesized the first belt-shaped molecular nanocarbon with a twisted Möbius band topology—a Möbius carbon nanobelt—that paves the way for the development of nanocarbon materials with complex topological structures.

Structural color printing creates new pathways for medical diagnostics and miniaturized sensors

Researchers from the Osaka Metropolitan University Graduate School of Engineering have successfully developed a new technique allowing them to observe gas molecules packing into metal-organic frameworks (MOF) using infrared spectroscopy. Their innovation was to measure polarized light absorption of guest molecules in a MOF film to deduce molecule alignment using this common piece of lab equipment. This method is the first to show guest alignment and does so in real-time, while using an accessible and easily adoptable experimental setup. A short video (4 min) recreating their spectrometer modifications can be found in the Reference section.

Researchers at Osaka Metropolitan University and Osaka University used numerical simulations to confirm observations of quantized vortices in superfluid helium using silicon nanoparticles, improving understanding of quantum fluids and superconductors.

A Hong Kong Baptist University (HKBU) collaborative research study has revealed that certain gut microbial enzymes mediate the reactivation of triclosan (TCS) from its inactive glucuronide metabolite. TCS is an antimicrobial agent commonly used in a wide range of consumer products, and it is associated with the development of colitis.

Researchers overcome computational limitations to predict the starting materials of multi-step reactions using only information about the target product molecule.

Scientists at Daegu Gyeongbuk Institute of Science and Technology (DGIST) in Korea have fabricated a flexible material that lights up brightly when stretched and/or when an electric field is applied. The results were published in the journal Applied Physics Reviews and show promise for the development of bright, sustainable, stretchable devices for use, for example, as interactive skin displays and in soft robotics.

A porous material, which opens to receive highly flammable acetylene and closes to release it, sidesteps the flaws of the existing storage method.

Giants in History: The research of Filipino pharmaceutical chemist Luz Oliveros-Belardo (3 November 1906 – 12 December 1999) focussed on essential oils and other chemicals derived from native Philippine plants.

In a global first, scientists have demonstrated that molecular robots are able to accomplish cargo delivery by employing a strategy of swarming, achieving a transport efficiency five times greater than that of single robots.

An international team of researchers from India and Singapore has successfully developed a novel coating with enhanced water repellent properties using natural material from the waste crab shell.

Giants in History: Filipino chemist and pharmacist Manuel A. Zamora (29 March 1870 – 9 July 1929) is best remembered for his discovery of the tiki-tiki formula to combat beriberi, a disease caused by Vitamin B1 deficiency

Organic, metal free, high-energy batteries are a pathway to a greener future. Yet scientists have struggled to find ways to boost the voltage in organic lithium-ion batteries. Now, a study has proposed a small organic molecule known as croconic acid that can maintain a working voltage of around 4 Volts.

Researchers at The University of Tokyo used a hybrid of Monte Carlo and molecular dynamics simulations to predict the self-assembly of charged Janus particles, which may lead to biomimetic nanostructures that can assemble like proteins

Milling rice to separate the grain from the husks, produces about 100 million tons of rice husk waste globally each year. Scientists searching for a scalable method to fabricate quantum dots have developed a way to recycle rice husks to create the first silicon quantum dot LED light. Their new method transforms agricultural waste into state-of-the-art light-emitting diodes in a low-cost, environmentally friendly way.

The molecule trimethylamine N-oxide (TMAO) can be used to reversibly modulate the rigidity of microtubules, a key component of molecular machines and molecular robots.

伝統的な日本の大学のカルチャーの殻を破り、フラットで国際的な研究所として注目を集める東京工業大学地球生命研究所（ELSI）。今年で10年目を迎えたELSIの魅力や運営のコツについて廣瀬敬前所長が語った。

東京工業大学地球生命研究所（ELSI）は、エビデンスに基づくアウトリーチを展開することで、科学コミュニケーション専門トレーニングの大切さを積極的に発信している。日本の高等教育機関と研究機関での研究アウトリーチ活性化の先駆けとなることを目指す。

Soot as a surprising source of haze-building hydroxyl radicals

地球生命研究所（ELSI）は、生命と惑星の起源と進化を探求する新しい総合大学院コースを開設した。

東京工業大学地球生命研究所（ELSI）は今年、転機を迎える。10年前の設立当初からのテーマであった「地球と生命の起源」から踏み出し、地球外生命の可能性まで研究対象を広げていく。次期所長の関根康人教授にこれからのELSIが目指すところを聞いた。

The Earth-Life Science Institute (ELSI) based at Tokyo Institute of Technology will reach a turning point this year. For the first time in its 10-year history, it will extend the scope of its initial research theme, "The Origins and Evolution of the Earth and Life", to include searching for evidence of extra-terrestrial life. ELSI’s new director, Yasuhito Sekine, told Asia Research News what they hope to achieve in the next phase and how.

Unlike most traditional Japanese universities, the Earth-Life Science Institute (ELSI) at Tokyo Institute of Technology has created a ‘flat’ and diverse research environment. On its ten-year anniversary, Outgoing Director Kei Hirose shares what is special about the institute and the secret behind its successful management.

Researchers aim to streamline the time- and resource-intensive process of screening ligands during catalyst design by using virtual ligands.

Researchers at Kanazawa University report in Proceedings of the National Academy of Sciences a responsive molecular system that, through chemical reactions, inverses its chirality before becoming racemic.