Detection of organic molecules. Medical search. Frequent questions

The Mars Organic Molecule Analyzer (MOMA) instrument will be capable of detecting a wide variety of organic molecules. (nasa.gov)
The initial analysis team for the soluble organic matter reported the detection of wide variety of organic molecules including racemic amino acids in the Ryugu samples. (altmetric.com)

The goal of MOMA is to seek signs of past life on Mars (biosignatures) by analysing a wide range of organic compounds that may be found in drilled samples acquired from 2 meters below the Martian surface by the Rosalind Franklin rover. (wikipedia.org)
While there is no unambiguous Martian biosignature to look for, a pragmatic approach is to look out for certain molecules such as lipids and phospholipids that may be forming cell membranes which can be preserved over geological timescales. (wikipedia.org)
I first tested the influence of chloride salts and a phyllosilicate matrix on preserving organic compounds subjected to UV radiation reaching the Martian surface. (ipsl.fr)
The results SAM spit out confirmed the makeup of the Martian atmosphere at the surface: 95% by volume of carbon dioxide (CO2), 2.6% molecular nitrogen (N2), 1.9% argon (Ar), 0.16% molecular oxygen (O2), and 0.06% carbon monoxide (CO). They also revealed how the molecules in the Martian air mix and circulate with the changes in air pressure throughout the year. (nasa.gov)
Any organic compounds exposed to the unfiltered solar ultraviolet spectrum or oxidizing surface conditions would have been readily destroyed, but discoverable caches of Martian organics may remain shielded in the subsurface or within surface rocks. (open.ac.uk)
Fluorescence-based instrumentation has also been proposed as an effective surveying method for prebiotic organics on the Martian surface. (open.ac.uk)
This equates to between 4 and 9.6 sols when the diurnal cycle of UV light intensity on the Martian surface is taken into account, giving a substantial window of opportunity for detection of organic fluorescence before photodegradation. (open.ac.uk)
This study thus supports the use of fluorescence-based instrumentation for surveying recently exposed material (such as from cores or drill tailings) for native Martian organic molecules in rover missions. (open.ac.uk)
NASA's Perseverance rover has found a diverse menagerie of organic molecules in a Martian crater. (crystalinks.com)
A Martian meteorite that crashed to Earth 12 years ago contains a "huge diversity" of organic compounds, including one that has never been seen on Mars before, a new study has found. (crystalinks.com)

It will search for organic compounds (carbon-containing molecules) in the collected soil samples. (wikipedia.org)
Other compounds targeted for detection will include fatty acids, sterols, and hopanoids. (wikipedia.org)
They effectively turned the aptamer molecules into a molecular recognition and drug delivery system combination that escorts water-insoluble compounds such as drugs into cells by encapsulating them inside a water-soluble structure. (nanowerk.com)
This paper describes the detection of volatile organic compounds (VOCs) using an e-nose system based on a virtual sensor array (VSA). (researchgate.net)
This concern over the environmental and health risks associated with the emission of HAPs and various volatile organic compounds (VOCs) from different sources has led to a pressing need for affordable and reliable ways to detect and quantify the presence of these gases. (sbir.gov)
MAPLOC is a MEMS device capable of detecting multiple hazardous air pollutants and volatile organic compounds. (sbir.gov)
These host molecules are very efficient for the determination of a very important class of hydrophilic compounds. (science24.com)
Another way of decreasing detection limits for the hydrophilic compounds is to increase the hydrophilicity of the electrode coating surface. (science24.com)
A new study into the Tissint meteorite, which crash-landed in Morocco in 2011, revealed a wide array of organic compounds hidden in the rare space rock. (crystalinks.com)
Surface water with harmful algal blooms (HABs, notably cyanobacteria) and their organic compounds may also affect the surrounding air. (kwrwater.nl)
Volatile Organic Compounds, or "VOCs", are organic chemicals that have a high vapor pressure under normal atmospheric pressures and temperatures. (gdscorp.com)
Please contact GDS Corp for more information on the detection of volatile organic compounds. (gdscorp.com)

The oligonucleotide tag provides single-molecule detection by allowing amplification and sequencing for hit identification from in-vitro affinity screening of encoded libraries of immense diversity. (novartis.com)
On the other hand, Among the available dynamical observables, the single-molecule the high energy density of water also means that even small rotational correlation time is a particularly useful probe of structural perturbations in the hydration shell can have profound the hydration shell because of its strong dependence on the local thermodynamic consequences. (lu.se)

Pyrolysis of soil or rock samples is the preferred preparation technique used on Mars to search for organic molecules up today. (hal.science)
During pyrolysis, oxichlorines present in the soil of Mars release oxidant species that alter the organic molecules potentially contained in the samples collected by the space probes. (hal.science)
This process can explain the difficulty experienced by in situ exploration probes to detect organic materials in Mars soil samples until recently. (hal.science)
The Mars Organic Molecule Analyser (MOMA) is a mass spectrometer-based instrument on board the Rosalind Franklin rover to be launched in 2028 to Mars on an astrobiology mission. (wikipedia.org)
The surface of Mars is expected to have accumulated significant quantities of large organic molecules delivered by interplanetary dust particles and carbonaceous meteorites. (wikipedia.org)
MOMA - Mars Organics Molecule Analyser. (wikipedia.org)
En effet, des sels de chlorure ont été observés à plusieurs endroits sur Mars, mais les conséquences de leur présence dans des échantillons contenant de la matière organique restent à explorer. (ipsl.fr)
J'ai travaillé sur un ensemble spécifique d'instruments présents dans la charge utile des sondes martiennes Viking, Curiosity et Rosalind Franklin afin d'analyser la composition moléculaire des échantillons de la surface de Mars : la chromatographie en phase gazeuse couplée à la spectrométrie de masse (GC-MS). J'ai d'abord testé l'influence des sels de chlorure et d'une matrice de phyllosilicate sur la préservation des composés organiques soumis aux rayonnements UV. (ipsl.fr)
My Ph.D. thesis focuses on the detection of organic molecules on Mars. (ipsl.fr)
I will present the influence of salts on the preservation and detectability of organic molecules at the Mars surface. (ipsl.fr)
Chloride salts have been observed at several locations on Mars, but the consequences of their presence in samples containing organic matter are yet to be explored. (ipsl.fr)
The Curiosity rover has discovered ancient organic molecules on Mars, embedded within sedimentary rocks that are billions of years old. (nasa.gov)
Since arriving at Mars in 2012, NASA's Curiosity rover has drilled into rocks in search of organics - molecules containing carbon. (nasa.gov)
The surface of Mars readily destroys these molecules, making them difficult to detect. (nasa.gov)
Accordingly, all modern Mars missions prioritized the detection of liquid water, either past or present, and multiple points of evidence now exist that water existed at one time on Mars. (jstor.org)
The team responsible for the Sample Analysis at Mars (SAM) instrument suite on NASA's Curiosity rover has made the first definitive detection of organic molecules at Mars. (nasa.gov)
Even in the absence of any biosphere on Mars, organic molecules, including polycyclic aromatic hydrocarbons (PAHs), are expected on its surface due to delivery by comets and meteorites of extraterrestrial organics synthesized by astrochemistry, or perhaps in situ synthesis in ancient prebiotic chemistry. (open.ac.uk)
Materials found in the rocks of Mars' Jezero Crater suggest that organic matter may be widespread across the red planet. (crystalinks.com)

In addition, line intensities of the anticipated low abundance of large organic molecules may never rise above the noise floor or the confusion limit. (nist.gov)

Also, only volatile molecules can be detected and, only nonpolar molecules can get through the GC columns to the detector. (wikipedia.org)
Langmuir-Blodgett (LB) thin films using a N,N'-(L-alanine tert-butylester)-3,4:9,10-perylene diimide derivative were prepared to determine the optimum thin film forming conditions and their sensing properties towards volatile organic vapors. (researchgate.net)
Malgré leur nature non volatile, j'ai découvert qu'ils pouvaient être indirectement identifiés en combinant ces différentes techniques. (ipsl.fr)

By characterizing the molecular structures of detected organics, MOMA can provide insights into potential molecular biosignatures. (wikipedia.org)
MOMA will be able to detect organic molecules at concentrations as low as 10 parts-per-billion by weight (ppbw). (wikipedia.org)

With such a dearth of heavy elements, astronomers predict that the LMC should contain a comparatively paltry amount of complex carbon-based molecules. (scitechdaily.com)
Hunting from a distance of 27,000 light years, astronomers have discovered an unusual carbon-based molecule - one with a branched structure - contained within a giant gas cloud in interstellar space. (cornell.edu)
The compound, known as methyl cation (CH 3 + ), is a vital molecule for more complex carbon-based molecules. (petapixel.com)
That molecule is important because it aids the formation of more complex carbon-based molecules," explains NASA. (petapixel.com)

Also, some isomers of high molecular weight organics can be potential biosignatures when identified in context with other supporting evidence. (wikipedia.org)
He is one of the pioneers in the optical detection of single molecular spins. (routledge.com)
His research areas are optical spectroscopy and molecular physics, including microscopy of single molecules and quantum dots, and he is currently involved in single molecular probes in soft matter, nano-assemblies, and dynamics of quantum dots. (routledge.com)
Astrobiologists used molecular assembly theory to develop an index that can help sort complex molecules based on the probability of life being involved in their assembly. (nasa.gov)
Toward this end, tailored molecular designs have been established for metal-organic, covalent-bonded and hydrogen-bonded frameworks. (nature.com)
These antigens include organic dusts containing bacteria, fungi,4 animal or plant proteins, or low-molecular-weight chemicals. (cdc.gov)
Considering the capillarity of the restorative composite to staining molecules, it seems fair to assume that the hydrogen peroxide (H2O2) resulting from the tooth whiteners would also percolate the material's structure, due to its low molecular weight 1 . (bvsalud.org)

In addition, nicotinic acid (niacin, a B3 vitamer), its derivatives, and imidazoles were detected in search for nitrogen heterocyclic molecules. (altmetric.com)
It is a heterocyclic, small, organic molecule that acts directly on the electrically active sodium channel in nerve tissue (see the image below). (medscape.com)

Such molecules were likely delivered to the primitive Earth by comets and meteorites, helping to jumpstart the development of life on our planet. (scitechdaily.com)
This new discovery lends weight to the idea that biologically crucial molecules, like amino acids that are commonly found in meteorites, are produced early in the process of star formation - even before planets such as Earth are formed. (cornell.edu)

Garrod, along with lead author Arnaud Belloche and Karl Menten, both of the Max Planck Institute for Radio Astronomy, and Holger Müller, of the University of Cologne, sought to examine the chemical makeup of Sagittarius B2, a region close to the Milky Way's galactic center and an area rich in complex interstellar organic molecules. (cornell.edu)
The study of interstellar organic (carbon-containing) chemistry, which Webb is opening in new ways, is an area of keen fascination to many astronomers," explains the Webb Space Telescope team in a press release. (petapixel.com)
As a result of this property, scientists believe that CH 3 + is a "cornerstone of interstellar organic chemistry. (petapixel.com)

Gaseous P-molecules are rare, with speciation information scarce. (frontiersin.org)
However, this data will probably not be sufficiently accurate for secure experimental detections of specific molecules within complex gaseous mixtures in laboratory or astronomy settings. (frontiersin.org)
Vapochromic behaviour of porous crystals is beneficial for facile and rapid detection of gaseous molecules without electricity. (nature.com)
Especially in the former case, colour change occurs as a result of the changes in the electronic state: The ground and excited states of the vapochromic molecules experience energetic stabilization by the dipole-dipole interaction with the gaseous molecules, leading to widening/narrowing of the energy gap 8 . (nature.com)

The present study strongly suggests that such molecules of prebiotic interest commonly formed in carbonaceous asteroids including Ryugu and were delivered to the early Earth. (altmetric.com)

Within a few months, the Curiosity rover should reach and analyze for the first time soils rich in sulfates which could induce a different behavior of the organics during the pyrolysis compared with the types of soils analyzed up today. (hal.science)
But the methods applied in the past on board the Viking landers and the Curiosity rover are mostly destructive (pyrolysis), and consequently important information of the organic material is lost. (wikipedia.org)
A 2007 article in the Transactions of the Kansas Academy of Science went further, using geological evidence obtained by the Rover missions to argue for not just the presence of water but also the possibility of organic materials (www.jstor.org/stable/20476318). (jstor.org)
Spectroscopic analysis using instruments aboard the Perseverance rover has revealed evidence of hydrocarbon molecules in multiple rock formations. (crystalinks.com)

Thanks to the Atacama Large Millimeter/Submillimeter Array (ALMA), scientists have been provided with a remarkably detailed picture of the distributions of cometary molecules located within the cloudy atmospheres of two bright comets whizzing through the sky. (iflscience.com)
After generating impressive 3D images with the observations, scientists have managed to unearth important clues about how and where comets form new molecules. (iflscience.com)

The branched carbon structure of isopropyl cyanide is a common feature in molecules that are needed for life - such as amino acids, which are the building blocks of proteins. (cornell.edu)

The discrimination effect was enhanced by the non-uniform adsorption of gas molecules on the top, side and bottom regions of the resonator. (researchgate.net)
The porous architecture allows adsorption of guest molecules with high efficiency, which is advantageous for rapid detection of the guest molecules. (nature.com)

Webb found complex organic molecules similar to smoke or smog in a galaxy more than 12 billion light-years from Earth. (ebaumsworld.com)
2011), and complex organic molecules (Halfen et al. (astrobiology.com)
The current state and perspectives in natural and life sciences are strongly linked to the development of novel complex organic-inorganic materials at various levels of organization, including semiconductor quantum dots (QDs) and QD-based nanostructures with unique optical and physico-chemical properties. (routledge.com)
Galaxy SPT0418-47 Astronomers using JWST detected the oldest and most distant complex organic molecules yet in the galaxy SPT0418-47. (planetary.org)
Scientists detect complex organic molecules more than 12 billion light years away. (planetary.org)
According to study co-author Stefanie Milam , the findings also indicate that researchers may be able to map more complex molecules that have so far evaded detection. (iflscience.com)
Though previous observations found hints of methanol in the LMC, the latter two are unprecedented findings and stand as the most complex molecules ever conclusively detected outside of our galaxy. (scitechdaily.com)
These observations may provide insights into the formation of similarly complex organic molecules early in the history of the universe. (scitechdaily.com)
Complex organic molecules, those with six or more atoms including carbon, are some of the basic building blocks of molecules that are essential to life on Earth and - presumably - elsewhere in the universe. (scitechdaily.com)
Though methanol is a relatively simple compound compared to other organic molecules, it nonetheless is essential to the formation of more complex organic molecules, like those that ALMA recently observed, among others. (scitechdaily.com)
If these complex molecules can readily form around protostars, it's likely that they would endure and become part of the protoplanetary disks of young star systems. (scitechdaily.com)
The astronomers speculate that since complex organic molecules can form in chemically primitive environments like the LMC, it's possible that the chemical framework for life could have emerged relatively early in the history of the universe. (scitechdaily.com)
The discovery suggests that the complex molecules needed for life may have their origins in interstellar space. (cornell.edu)
VOC molecules are complex and easily broken down by high energy photons. (gdscorp.com)

Successful commercialization of the MAPLOC technology will allow designers to place air pollution sensors for leak detection and air quality monitoring. (sbir.gov)

a 40-minute 3D Imax adventure that follows Oxy, Hydro, Hydra, Carbón, and other characters as they navigate the colorful world of atoms and molecules in search of life. (rpi.edu)
Organic molecules usually found in these star-forming regions consist of a single "backbone" of carbon atoms arranged in a straight chain. (cornell.edu)
The chlorine atoms can be attached to the dioxin molecule at any one of eight positions. (cdc.gov)

Based on ensemble and single-nanoobject detection, the book quantitatively shows (for the first time on a series of nanoassemblies) that surface-mediated processes (formation of trap states) dictate the probability of several of the most interesting and potentially useful photophysical phenomena (FRET- or non-FRET-induced quenching of QD photoluminescence) observed for colloidal QDs and QD-dye nanoassemblies. (routledge.com)
SAM is made up of three different instruments that search for and measure organic chemicals and light elements that are important ingredients potentially associated with life. (nasa.gov)
We start by enumerating phosphorus-bearing molecules (P-molecules) that could potentially be detected spectroscopically in planetary atmospheres and collecting all available spectral data. (frontiersin.org)
Understanding the production of organic material at the early stages of star formation is critical to piecing together the gradual progression from simple molecules to potentially life-bearing chemistry," said Belloche. (cornell.edu)

The study, "Identifying molecules as biosignatures with assembly theory and mass spectrometry," was published in the journal Nature Communications . (nasa.gov)

The enzyme would interact with molecules on the surface of a microchip, triggering an electrical signal that would set off an alarm.With funding from the U.S. Department of Defense, Mrksich aims to build a prototype detector within five years. (technologyreview.com)
Dr. Crudden's project challenges 30 years of dogma surrounding "best practices" for the preparation of surface modified devices integrating organic components with metallic surfaces. (queensu.ca)
In the environment they tend to be associated with ash, soil, or any surface with a high organic content, such as plant leaves. (cdc.gov)

The ALMA data surprisingly revealed the telltale spectral signatures of dimethyl ether and methyl formate, molecules that have never been detected so far from Earth. (scitechdaily.com)
Astronomers used Webb to detect a carbon molecule known as methyl cation in that disk for the first time. (petapixel.com)

The energy of the stellar radiation is slowly eroding the Orion Bar, and this has a profound effect on the molecules and chemistry in the protoplanetary disks that have formed around newborn stars here," explains the Webb team. (petapixel.com)

At optimized experimental conditions, square-wave voltammetric analysis exhibits higher sensitivity (50.5 μA·μM −1 ·cm −2 ), excellent selectivity, excellent stability (≈180 days), good reproducibility, and repeatability for interference-free detection of PT residues in actual samples. (beilstein-journals.org)
Numerous types of labels can be used to visualize the antibodies for detection in the flow cytometer depending on the experimental design including nucleic acid dyes, cell viability dyes, polymer dyes, quantum dots, small organic molecules, and fluorescent proteins. (sigmaaldrich.com)
When an apolar solute is inserted into water, hydration shell may escape experimental detection, the sizable there is thus a strong tendency to maintain the dense hydrogen- dynamical perturbations are readily characterized quantitatively. (lu.se)

The book will be a useful reference in the field of the synthesis, optical spectroscopy studies, and applications of hybrid inorganic-organic assemblies. (routledge.com)
As the spectroscopy of most P-molecules have never been studied outside RASCALL and this approach, the new data in this paper is the most accurate spectral data available for most P-molecules and represent a significant advance in the understanding of the spectroscopic behavior of these molecules. (frontiersin.org)
Because the instrumental aspects are not generally sufficiently addressed in the articles, we include a specific section on some key aspects of developing a high-performance and cost-effective NIR spectroscopy solution for fraud detection in olive oil. (bvsalud.org)

Last year, the Crudden group demonstrated that specially designed organic molecules can be chemically bound to gold surfaces by a carbon-metal bond instead of a sulfur-metal bond. (queensu.ca)

Ulta-Bright Fluorescent Organic Nanoparticles based on Small-Molecule Ionic Isolation Lattices , Junsheng Chen, S. M. Ali Fateminia, Laura Kacenauskaite, Nicolai Bærentsen, Karen L. Martinez, Amar H. Flood, Bo W. Laursen. (lu.se)

Formed from C+ either via UV-driven or turbulence-driven chemistry, CH reflects the fractionation of C+, and does not show any significant fractionation effects unlike other molecules previously used to determine the 12C/13C isotopic ratio which make it an ideal tracer for the 12C/13C ratio throughout the Galaxy. (astrobiology.com)
Here, we present a high-throughput approach utilizing established computational quantum chemistry methods (CQC) to produce a database of approximate infrared spectra for 958 P-molecules. (frontiersin.org)
We chose the strongly performing harmonic ωB97X-D/def2-SVPD model chemistry for all molecules and test the more sophisticated and time-consuming GVPT2 anharmonic model chemistry for 250 smaller molecules. (frontiersin.org)
This detection not only validates the incredible sensitivity of Webb but also confirms the postulated central importance of CH 3 + in interstellar chemistry," says Marie-Aline Martin-Drumel of the University of Paris-Saclay in France, a member of the science team. (petapixel.com)

Therefore, cost-effective and rapid detection strategies need to be developed to ensure the consuming food is free of any organophosphate-residue. (beilstein-journals.org)
The usefulness of IMS as an analytical tool for the rapid detection of airborne vapors in the atmosphere has been researched and computer techniques for preprocessing IMS signals have also advanced. (cdc.gov)

Astronomers discovered the molecules' faint millimeter-wavelength "glow" emanating from two dense star-forming embryos in the LMC, regions known as "hot cores. (scitechdaily.com)

Structure-function relationships suggest hydrogen bonding between perylene diimide and the vapor molecules have a significant role on determining the performance of perylene diimide sensing devices. (researchgate.net)
To generate 3D images from the observations, the scientists married high-resolution, 2D images with high-resolution spectra from 3 molecules- hydrogen cyanide (HCN), hydrogen isocyanide (HNC) and formaldehyde (H 2 CO). The researchers were then able to precisely map the locations of these molecules and measure their velocities, providing them with information on the depths of the atmospheres. (iflscience.com)
Chemical bonds that underpin their porous frameworks, that is, coordination bonds, dynamic covalent bonds, and hydrogen bonds, are commonly affected by the water molecules. (nature.com)
interpretation of the classical "iceberg" metaphor.11 To a first approximation, the hydrogen-bonded water structure seems to As a result of the small size and multiple hydrogen-bonding be the same in the hydrophobic hydration shell as in the bulk capacity of the water molecule, the cohesive energy density of solvent. (lu.se)

The interactions were reversible, purging caused the vapor molecules to escape from the LB films. (researchgate.net)
For example, with a 10.6 eV sensor, the presence of benzene (IP = 9.24 eV) will be detected, whereas molecules water vapor (IP = 12.6 eV) will not. (gdscorp.com)

Faced with such disappointments, scientists have changed tactics to search for the conditions of life, such as water and organic molecules. (jstor.org)

In biological studies, molecules termed "probes" have properties that enable them to detect other molecules or organisms of interest, such as viruses. (nanowerk.com)
Marrying biological and electronic systems could yield advances in drug discovery, bioweapon detection-even computing. (technologyreview.com)
Therefore, the accurate detection of physiological NO concentration is crucial to the understanding of NO signaling and its biological role. (intechopen.com)
Sites with higher HAB abundance had higher incidence of droplets containing organic and biological material. (kwrwater.nl)
The activation of signaling molecules has biological significance, including the promotion or inhibition of disease mechanisms. (cdc.gov)

With ALMA, the group conducted a full spectral survey - looking for fingerprints of new interstellar molecules - with sensitivity and resolution 10 times greater than previous surveys. (cornell.edu)
Webb's sensitivity and resolution contributed to the team's success in finding the molecule. (petapixel.com)

By immobilizing specific proteins, it is possible to influence various components of the cell and dictate cell function and fate, as well as enable detection of specific intracellular mechanisms for further study. (rpi.edu)

In principle, peak positions of the absorption and fluorescence spectra are in a linear relationship with the permittivity of the medium molecules, as theoretically derived by Lippert and Mataga 9 . (nature.com)

I will present some of the work done on the detection of metabolites released by cells undergoing osteogenic differentiation and on the development of 3D architectures that can be used to host and monitor stem cells. (gla.ac.uk)
For the detection of unknown DCF-related metabolites formed in the plant upon uptake of the parent drug‚ a new workflow based on the use of HPLC coupled to drift-tube ion-mobility quadrupole time-of-flight/mass spectrometry (DTIM QTOF-MS) was developed. (springer.com)

The success of molecule searches at centimeter wavelengths has shown that unique excitation conditions can lead to the unambiguous identification of very low abundance species with very high accuracy. (nist.gov)

Functionalization of the VDW porous crystals remains a far more challenging topic because even a slight modification of the constituent molecule or crystallization conditions ends up with the formation of densely packed polymorphs 24 . (nature.com)
Many substances, frequently of organic origin, are porous and contain free gas distributed through the material. (lu.se)
The free gas molecules dispersed in porous materials have unique, sharp absorptive signatures, typically ten thousand times narrower than the spectral features of the bulk material. (lu.se)

this volatilisation of organic material is achieved by two different techniques: laser desorption and thermal volatilisation, followed by separation using four GC-MS columns. (wikipedia.org)

It has been modified to add detection of antibodies to HPV31,33,45,52 and 58, and to streamline assay and reduce background. (cdc.gov)

Whereas the subtle structural changes in the hydrophobic organic liquids. (lu.se)

To follow up this discovery and related future exoplanet biosignature detections, it is important to spectroscopically detect the presence of phosphorus-bearing atmospheric molecules that could be involved in the chemical networks producing, destroying or reacting with phosphine. (frontiersin.org)

In this work, she will look to develop increasingly sensitive detection of diseases that are time-sensitive and difficult to detect. (queensu.ca)

About 50 individual features for isopropyl cyanide (and 120 for normal-propyl cyanide, its straight-chain sister molecule) were identified in the ALMA spectrum of the Sagittarius B2 region. (cornell.edu)

Webb's team describes it as a "train station," a location where a molecule can remain for some period before going "in one of many different directions to react with other molecules. (petapixel.com)
The term ketone bodies describes 3 molecules: acetoacetate, β-hydroxybutyrate, and acetone. (medscape.com)

instead, the best current spectral data was obtained using a high-throughput computational algorithm, RASCALL, relying on functional group theory to efficiently produce approximate spectral data for arbitrary molecules based on their component functional groups. (frontiersin.org)

In previous drug delivery tests, aptamers on their own could only attach limited drug molecules and sometimes could not effectively recognize tumor cells, so UF researchers re-engineered the molecule to improve its usefulness in biomedical studies in the watery environment inside the body. (nanowerk.com)

Justin Spilker and his colleagues at Texas A&M University have detected the oldest and most distant organic molecules in the known Universe using the James Webb Space Telescope. (planetary.org)
A team of researchers using the James Webb Space Telescope have detected the most distant organic molecules yet in a galaxy called SPT0418-47. (planetary.org)

At times, although misleading, the terms 'legal highs' or 'research chemicals' have been used to describe these molecules. (mdpi.com)
Philip Jessop - To date, transportation fuels and organic chemicals have been largely obtained by passing crude oil through a refinery. (queensu.ca)
CDDs occur as a contaminant in the manufacturing process of certain chlorinated organic chemicals, such as chlorinated phenols. (cdc.gov)

MOMA's characterization of this fraction, may determine not only the abundance of this potential background for trace biomarker detection, but also the degree of decomposition of this matter by radiation and oxidation as a function of depth. (wikipedia.org)
The anticipated abundance of this molecule from ice mantle experiments is 10% of the abundance of NH2CN, which is well below the detection limit of any current astronomical facility and, as such, could only be detected by those transitions which are amplified by maser activity. (nist.gov)
These results are important because Earth-based telescopes struggle to obtain sufficient detail of the molecules within comae when they are present in low abundance, as is the case with Lemmon and ISON. (iflscience.com)

A huge diversity of organic molecules can be synthesized efficiently where each individual molecule carries a unique oligonucleotide tag serving as amplifiable barcode. (novartis.com)

The identification of the organic molecules is then performed with an ion trap mass spectrometer. (wikipedia.org)

3) Leveraging the results from oligonucleotide-encoded screening by synthesizing corresponding bioactive small molecules that can modulate protein function. (novartis.com)
Until now, potentiometric sensing has made little use of the phenomenon to determine small organic ions and large biomolecules. (science24.com)
Some reasons for this slow evolution are the lack of good theoretical models, and the lack of synthetic receptor molecules to attract small organics and large biomolecules to the specific surfaces used in potentiometry. (science24.com)

It crosses disciplines to examine essential nanoassembly principles of QD interaction with organic molecules, excited state dynamics in nanoobjects, theoretical models, and methodologies. (routledge.com)

J'ai mené des expériences en laboratoire pour reproduire les conditions dans lesquelles les échantillons martiens sont traités in situ par les suites instrumentales à bord de plusieurs sondes martiennes. (ipsl.fr)

Although 'novel' typically refers to molecules that have recently become a reason of current/potential public health concern, at times, the NPS scenario may indeed focus on pharmaceutical molecules. (mdpi.com)

This equipment speeds up coating testing and allows one to perform measurements on less available but important (bio-)organics. (science24.com)
Nitric oxide (NO) is an important signaling molecule that regulates a diverse range of physiological and cellular processes in many tissues. (intechopen.com)

Anatomy15

Organisms12

Diseases3

Chemicals and Drugs72

Analytical, Diagnostic and Therapeutic Techniques and Equipment83

Psychiatry and Psychology2

Phenomena and Processes66

Disciplines and Occupations9

Technology, Industry, Agriculture3

Information Science8

Health Care8

Wide variety of organic molecules2

Martian10

Compounds12

Single-molecule2

Mars18

Large organic molecules1

Volatile3

MOMA2

Carbon-based4

Molecular7

Heterocyclic2

Meteorites2

Interstellar organic3

Gaseous4

Prebiotic1

Rover4

Comets2

Amino acids1

Adsorption2

Complex14

Sensors1

Atoms3

Potentially4

Biosignatures1

Surface3

Methyl2

Protoplanetary disks1

Experimental3

Spectroscopy3

Chemically1

Nanoparticles1

Chemistry4

Rapid detection2

Astronomers1

Hydrogen4

Vapor2

Search1

Biological5

Sensitivity2

Proteins1

Spectra1

Metabolites2

Wavelengths1

Porous3

Desorption1

Antibodies1

Liquids1

Atmospheric1

Difficult to detect1

ALMA1

Describes2

Spectral1

Usefulness1

Webb2

Chemicals3

Abundance3

Huge diversity1

Mass spectrometer1

Small3

Theoretical models1

Situ1

Typically1

Important2