Mimicking a molecule found in poppies
A Rice University undergraduate student's grit and talent paid off in a big way when she introduced the first synthesis of a rare and potentially potent molecule drawn from poppies. .....»»
Scientists unveil synergistic method for non-canonical amino acid synthesis
New chemistry, new enzymology. With a new method that merges the best of two worlds—the unique and complementary activities of enzymes and small-molecule photochemistry—researchers at UC Santa Barbara have opened the door to new catalytic reactio.....»»
Examining how atomic nuclei vibrate with a greater degree of precision
Using ultra-high-precision laser spectroscopy on a simple molecule, a group of physicists led by Professor Stephan Schiller Ph.D. from Heinrich Heine University Düsseldorf (HHU) has measured the wave-like vibration of atomic nuclei with an unprecede.....»»
Reducing contamination in single-molecule DNA extraction using nanopore technology
Single-molecule DNA detection using nanopore technology offers real-time analysis of DNA and RNA strands. It is a low-cost and flexible technique that can be used in clinical and research settings when samples need to be analyzed quickly and efficien.....»»
High-resolution scattering imaging reveals vibrational-state-specific mechanisms in paradigmatic ion-molecule reaction
Charged atomic and molecular species are ubiquitous in environments such as planetary atmospheres, interstellar medium and plasma. The collisions between charged ions and neutral molecules play vital roles in determining the chemical evolution and en.....»»
How a molecular motor moves in a network
A new study determines the efficiency of a single-molecule heat engine by considering a series of ratchets that transfer energy along a network......»»
Machine learning enables discovery of DNA-stabilized silver nanoclusters
DNA can do more than pass genetic code from one generation to the next. For nearly 20 years, scientists have known of the molecule's ability to stabilize nanometer-sized clusters of silver atoms. Some of these structures glow visibly in red and green.....»»
Shrinking light: Waveguiding scheme enables highly confined subnanometer optical fields
Imagine shrinking light down to the size of a tiny water molecule, unlocking a world of quantum possibilities. This has been a long-held dream in the realms of light science and technology. Recent advancements have brought us closer to achieving this.....»»
Recent advances in vacuum ultraviolet photochemistry of astrochemically important small molecules
The photodissociation of an isolated molecule from a well-defined initial quantum state provides a lens through which one can investigate how and why chemical reactions occur, and provides numerous opportunities for fruitful, synergistic collaboratio.....»»
Scientists enrich nitric oxide-reducing microbes in bioreactor
Nitric oxide (NO) is a fascinating and versatile molecule, important for all living things as well as the environment. It is highly reactive and toxic, organisms use it as a signaling molecule, it depletes the ozone layer in our planet's atmosphere,.....»»
Scientists synthesize isotopic atropisomers based on carbon isotope discrimination
In chemistry, a molecule or ion is said to be chiral if it cannot be superposed on to its mirror image by any combination of rotations, translations, or conformational changes. A chiral molecule or ion exists in two forms, called enantiomers, that ar.....»»
Scientists develop strategy to engineer artificial allosteric sites in protein complexes
According to a recently published research paper, an approach has been developed to create artificial allosteric sites (where by binding an effector molecule, activity at the distal active site is regulated) in protein complexes. This breakthrough re.....»»
James Webb detects important molecule in the stunning Orion nebula
The molecule, called methyl cation, is important for the development of the complex carbon-based molecules on which life depends......»»
Webb makes first detection of crucial carbon molecule
A team of international scientists has used NASA's James Webb Space Telescope to detect a new carbon compound in space for the first time. Known as methyl cation (pronounced cat-eye-on) (CH3+), the molecule is important because it aids the formation.....»»
How a Human Smell Receptor Works Is Finally Revealed
After decades of frustration, researchers have determined how an airborne scent molecule links to shapeshifting olfactory receptors in the nose......»»
Revealing magnetic mysteries: Breakthrough builds better single molecule magnets
Scientists from the University of Ottawa have invented a unique method to create better molecule-based magnets, known as single-molecule magnets (SMMs). This synthetic tour de force has resulted in a two-coordinate lanthanide complex which has magnet.....»»
Extreme DNA resolution: Spatially multiplexed single-molecule translocations through a nanopore at controlled speeds
Aleksandra Radenovic, head of the Laboratory of Nanoscale Biology in the School of Engineering, has worked for years to improve nanopore technology, which involves passing a molecule like DNA through a tiny pore in a membrane to measure an ionic curr.....»»
Molding two-dimensional organic molecule crystals
Recently, a group of illegal counterfeiters was apprehended for producing around 400 fake luxury jewelry items using molds. They were able to create hundreds of faked luxury items simply after pouring molten metal into molds produced from the origina.....»»
Researchers discover a new way to develop drugs without side effects
Have you ever wondered how drugs reach their targets and achieve their function within our bodies? If a drug molecule or a ligand is a message, an inbox is typically a receptor in the cell membrane. One such receptor involved in relaying molecular si.....»»
Targeted small molecule alleviates arthritis symptoms in mice
Researchers at the University of Helsinki, together with researchers from the United States, have discovered a small molecule that inhibits the formation in cells of cytokine proteins that promote inflammation. The mechanism is based on the fact that.....»»
Team develops magnetic microrobots with folate to promote targeted drug delivery to cancer cells
The limited ability of microrobots to assist drugs in entering cells hinders their therapeutic efficacy. To address this, a research team, reporting in Cyborg and Bionic Systems, has introduced the cancer-targeting molecule folic acid (FA) to microro.....»»