• Authoritative and cutting-edge, Single Molecule Analysis: Methods and Protocols, Second Edition aims to be useful to many researchers, inspire them and help them to go single molecule. (springer.com)
  • Researchers have identified a molecule that determines whether or not a type of lung cancer cell will undergo cancer cell death. (medicalnewstoday.com)
  • The researchers found that a molecule called mIR-124 , which is involved in the regulation of gene expression, determines programmed cell death in cells that have gone through the epithelial-to-mesenchymal transformation. (medicalnewstoday.com)
  • The inflammatory molecule interleukin-17A (IL-17A) triggers immune cells that in turn reduce IL-17A's pro-inflammatory activity, according to a study by National Eye Institute researchers. (news-medical.net)
  • DKFZ researchers led by Krammer and Karsten Gülow* have now discovered the key regulator that is responsible for shifting the sensitive balance from vital to harmful amounts of reactive oxygen molecules and thus accelerating the aging process: A protein molecule called TXNIP (thioredoxin-interacting protein). (eurekalert.org)
  • To test this theory, he and his fellow researchers treated mechanically damaged neurons in culture with the molecule and observed the results. (mcgill.ca)
  • Researchers studying fruit flies report identifying a key molecule that triggers the chemical processes of memory formation. (psychcentral.com)
  • By localizing the function of these key molecules researchers found that the flies lacking these genes showed disrupted memory formation. (psychcentral.com)
  • The researchers trapped RecA and a DNA labeled with fluorescent dye molecules inside porous nanocontainers. (webwire.com)
  • Using fluorescent molecules enabled the researchers to see if the molecules ended up in their intended locations. (caltech.edu)
  • Classic single molecule measurements using nanometer resolution imaging methods generated precise measurements that allowed researchers to distinguish between two longstanding models for myosin movement: the "hand-over-hand" model versus the "inchworm" model. (nih.gov)
  • Mounting evidence" has supported the notion that SIRT1 overexpression or activation by small molecules like SRT1720 can improve the health and extend the lifespan of mice on a high-fat diet, the researchers said. (medpagetoday.com)
  • Researchers have developed a protein-sugar molecule that has the potential to elicit an immune response and be included in the HIV vaccine. (medindia.net)
  • Researchers publishing in the January issue of Cell Press journal Cell Metabolism have identified a molecule that is produced during exercise and contributes to the beneficial effects of exercise on metabolism. (medindia.net)
  • Other researchers have succeeded in attaching two contacts to a molecule this small, but attaching the third is the trick - and the point. (medgadget.com)
  • Guided by artificial intelligence and powered by a robotic platform, a system developed by MIT researchers moves a step closer to automating the production of small molecules that could be used in medicine, solar energy, and polymer chemistry. (weforum.org)
  • A team of researchers from the University of Maryland and Duke University created a new protein-sugar molecule that could protect against HIV. (upi.com)
  • Using measurements from a NASA aircraft flying over the Arctic, Harvard University scientists have made the first observations of a molecule that researchers have long theorized plays a key role in destroying stratospheric ozone, chlorine peroxide. (nasa.gov)
  • Using individual dye-labeled molecules, Stanford University researchers have revealed never-before-seen folding patterns in RNA enzymes. (stanford.edu)
  • Once folded, the molecules could flop between a number of alternate states, some of which may not be biologically active, researchers have conjectured. (stanford.edu)
  • In the present study, the Stanford researchers wanted to see whether single-molecule techniques could help them visualize RNA folding. (stanford.edu)
  • To visualize this local folding process, the Stanford researchers affixed the enzyme to a surface and verified that the rate at which the single molecules cut RNA was equal to the rate seen in bulk experiments with free-floating molecules. (stanford.edu)
  • The advance, developed by researchers at the University of Missouri-Rolla, is rooted in straightforward geometry -- just as human hands come in left and right varieties, so do many molecules. (upi.com)
  • Treatment with a small molecule could delay the damage that multiple sclerosis inflicts in the brain and other parts of the central nervous system, say scientists. (medicalnewstoday.com)
  • Scientists found that a molecule called mIR-124 plays an important role in determining whether or not a particular type of cancer cell responds to chemotherapeutic agents. (medicalnewstoday.com)
  • The spectral signature of the material suggested that it was made up of a mixture of molecules, so scientists went back to basics and started mixing gases up in the lab. (forbes.com)
  • The molecule is considered to be a crucial component of any planetary atmosphere because it is highly reactive - scientists say it combats pollutants in Earth's atmosphere, and may prevent carbon dioxide from transforming into carbon monoxide above Mars. (popsci.com)
  • Scientists know that the virus must bind to a molecule called CD4 on the surface of a cell to become attached. (newscientist.com)
  • The scientists discovered that SAM II-riboswitches are extremely "twitchy" molecules, undergoing immensely fast structure changes. (uibk.ac.at)
  • Many scientists say that more can be learned about the dynamics of chemical reactions that power biological processes by studying the behavior of individual molecules rather than observing the collective behavior of many molecules, as scientists do now. (webwire.com)
  • Equally surprising, in both the normal and ℠knockout´ strains of mice, the memory-erasing ZIP molecule was still able to block the formation of long-term memories - providing further evidence that the memory enzyme is not involved in memory formation in the way scientists previously believed. (redorbit.com)
  • Scientists at the Universities of York and Huddersfield have improved understanding of a molecule that destroys cancerous tumours without harming healthy cell tissue. (york.ac.uk)
  • Scientists have a name for how long water molecules remain in any given system: "residence time. (treehugger.com)
  • Scientists made these discoveries by extracting tau protein from cultured cells and human brains, isolating them as single molecules and determining what types of pathological assemblies they would subsequently produce in cells and mice. (infowars.com)
  • A pill that switches off hunger is on the horizon after scientists discovered an 'anti-appetite' molecule which tells the body to stop eating. (telegraph.co.uk)
  • The scientists tracked the molecule and found that it eventually ended up in the hypothalamus region of the brain, which controls hunger. (telegraph.co.uk)
  • Keeping carbon nanotubes from clumping in aqueous solutions and combining them with molecules that add novel abilities have been flies in the ointment for scientists exploring the use of these highly versatile materials. (redorbit.com)
  • The scientists linked it to a sugar group to form a glycoprotein molecule. (medindia.net)
  • The common name atmospheric scientists use for the molecule is "chlorine monoxide dimer" since it is made up of two identical chlorine-based molecules of chlorine monoxide, bonded together. (nasa.gov)
  • Cancer Research UK scientists have discovered that a common molecule previously known to play a fundamental role in building protein, can also trigger cancer. (cancerresearchuk.org)
  • In previous work, the scientists based at Cancer Research UK's Beatson Institute in Glasgow, found levels of a molecule called tRNA**, which helps kickstart protein production, were unusually high in some cases of ovarian and cervical cancer. (cancerresearchuk.org)
  • Lead researcher, Professor Robert White, from the Beatson Institute, said: "For the first time our study shows that tRNA, a molecule which has always been regarded by scientists to play a safe and rather boring 'housekeeping' role, can have a darker side. (cancerresearchuk.org)
  • NEW YORK, Oct. 9 (UPI) -- Chemists have developed a new process that could help scientists manufacture drugs without creating unwanted, potentially toxic, mirror-image molecules inadvertently. (upi.com)
  • Domains as varied as optical microscopy, quantum optics, nanophotonics, material science and soft-matter physical chemistry all have benefited from the new, average-free insights provided by the optical isolation of single molecules, quantum dots, metal nanoparticles, and other nanometre-sized objects. (rsc.org)
  • Atomsmith Molecule Lab - Middle School Edition is a tool that will improve your understanding of physical science and introductory chemistry. (apple.com)
  • Learning (and teaching) chemistry presents a unique challenge: it depends on the ability to 'see' 3D shapes and interactions of molecules we can't actually see -- they are too small. (apple.com)
  • Atomsmith Molecule Lab - Middle School Edition makes these particle models accessible to introductory physical science and chemistry students, enabling them to interact virtually with molecules and to perform experiments at the atomic scale. (apple.com)
  • Onscreen Tutorials walk you through the steps of how to use Atomsmith Molecule Lab - Middle School Edition to explore a broad range of introductory chemistry concepts. (apple.com)
  • Note: If you are teaching or studying chemistry at the high school or college levels, you should check out the 'full' edition of Atomsmith Molecule Lab. (apple.com)
  • In normal robotics, the robot itself contains the knowledge about the commands, but with individual molecules, you can't store that amount of information, so the idea instead is to store information on the commands on the outside," says chemistry prof Nils Walter. (theregister.co.uk)
  • In chemistry , a molecule is an entity comprising two or more atoms held together by natural forces in a definite spatial arrangement. (newworldencyclopedia.org)
  • Single molecule absorption spectroscopy is an extremely sensitive technique for analytical chemistry, for measuring electrical properties of molecules, and for studying energy transfer on surfaces," Gruebele said. (innovations-report.com)
  • The only intermolecular forces acting between alkane molecules are very weak London forces (also known as dispersion forces ) which result from the attractions between instantaneous dipoles formed as a result of random fluctuations of electrons in nonpolar molecules. (angelo.edu)
  • The electrons (conceived as "electron clouds," not discrete particles) are said to occupy certain energy levels ("orbitals") within the molecule. (newworldencyclopedia.org)
  • Although it is not always mentioned, it needs to be remembered that the positively charged nuclei in the atoms of a molecule play an essential role in holding the negatively charged electrons in their respective orbitals. (newworldencyclopedia.org)
  • Thus, both the atomic nuclei and the electrons are intimately involved in building each molecule. (newworldencyclopedia.org)
  • A stable compound forms when two oxygen molecules share two pairs of electrons with each other. (reference.com)
  • As the atoms are bound together in a molecule of oxygen, the outer level of energy shares two of its electrons with a neighboring atom. (reference.com)
  • Zoom in on a tiny blob -- this is the size of a typical molecule the virus is built from. (ucsf.edu)
  • They determined that contrary to prior ideas, a single tau molecule, rather than being without definable structure, in fact has multiple, stable structures that each determine what type of subsequent pathological assembly it will form. (infowars.com)
  • In the kinetic theory of gases , the term molecule is often used for any gaseous particle regardless of its composition. (wikipedia.org)
  • In contrast to the current state of the art in structural biology, we do away with the need for averaging over many molecules. (pnas.org)
  • A foray into plant biology led one researcher to discover that a natural molecule can repair axons, the thread-like projections that carry electrical signals between cells. (mcgill.ca)
  • In order to see the feature sizes we are interested in, we use techniques originally developed in biology that image fluorescent molecules one at a time. (nist.gov)
  • Many of these compounds are isolated from petroleum, and may serve as the starting points for the synthesis of more complex molecules. (angelo.edu)
  • They contain organic matter produced by phytoplankton that use energy from sunlight to turn carbon dioxide into the complex molecules that are necessary for life. (whoi.edu)
  • Visualization mode now persists across different molecules. (apple.com)
  • A compound differs from another compound because they have different molecules. (yahoo.com)
  • A single strand of DNA is made up of four different molecules called nucleotides-abbreviated A, G, C, and T-and arranged in a string called a sequence. (caltech.edu)
  • The three protein chains in this collagen molecule are 29 amino acids long. (umass.edu)
  • They can produce higher amounts of molecules such as amino acids or produce compounds that stimulate growth of the other organism. (whoi.edu)
  • Pending experiments will test whether the process can be applied to essential organic molecules such as sugars and amino acids. (upi.com)
  • Riboswitches function by blocking the mRNA when their target molecule is binding. (uibk.ac.at)
  • In most cases, this represents the gene which is responsible for the synthesis of the target molecule. (uibk.ac.at)
  • A feedback reaction takes place: if the concentration of the target molecule is too high, its production will be stopped. (uibk.ac.at)
  • Chemists then review the suggested synthesis routes produced by the software to build a more complete recipe for the target molecule. (weforum.org)
  • On the other hand, it could be a useful molecule to be positively targeted when trying to save tissue and promote cells viability. (hindawi.com)
  • To explore such relationships, I wanted to investigate how Rpom responds to DMSP, a useful molecule associated with phytoplankton, and enhance our understanding of this molecule's impact in the ocean. (whoi.edu)
  • When you boil water these intermolecular forces are overcome and each individual molecule separates from each other, creating water vapor ( which is water in the gas phase). (answers.com)
  • Despite the impressive coverage of the proteome by the available data, a strong desire for acquiring structural information from just one individual molecule is emerging. (pnas.org)
  • we say that these molecules are structural isomers of each other. (angelo.edu)
  • Dr. Diamond's new study expands on research published in July from his lab that documented a structural "genesis" of Alzheimer's disease - the basis of how a healthy tau protein changes shape and is then capable of assembling with other tau molecules to kill brain cells. (infowars.com)
  • New molecules can be downloaded from either the RCSB Protein Data Bank (http://www.rcsb.org/pdb), an international repository of biological molecules and their 3-D structures, or NCBI's PubChem (http://pubchem.ncbi.nlm.nih.gov), a public database of compounds. (apple.com)
  • Their general formula is C n H 2n+2 for molecules which do not contain ring structures. (angelo.edu)
  • Alternatively, legions of nanobots could be used to craft elaborately tailored molecules or nanoscale structures, creating drugs, circuitry or materials with new properties - or repairing damaged tissues within the body. (theregister.co.uk)
  • Here we show the bottom-up synthesis and high-precision structures of a nitrogen-doped nanotube molecule with a discrete, rigid structure. (nature.com)
  • These have been used in diverse applications of superresolution imaging: from three-dimensional, multicolor molecule localization to tracking of nanometric structures and molecules in living cells. (nih.gov)
  • According to this definition noble gas atoms are considered molecules despite the fact that they are composed of a single non-bonded atom. (princeton.edu)
  • Ethers can form hydrogen bonds to water, since the oxygen atom is attracted to the partially-positive hydrogens in water molecules, making them more soluble in water than alkanes. (angelo.edu)
  • In step one, an ozone molecule is cracked by sunlight to form an oxygen atom and an oxygen molecule. (nasa.gov)
  • Finally, the ClO molecule reacts with the oxygen atom to form a third oxygen molecule, and reconstitute the original catalyst. (nasa.gov)
  • A typical chlorine atom can destroy a large number of ozone molecules in this fashion. (nasa.gov)
  • According to formulas posted by Crescent High School, there are nine oxygen atoms in a molecule of Al2(CO3)3, aluminum carbonate, because there are three s. (reference.com)
  • This radiation breaks typical oxygen molecules (O2) into free oxygen atoms. (nasa.gov)