Sentences with phrase «ion mass spectrometer»

The scanning force microscope (SFM) scans the surface with an ultra-fine tip, while the time - of - flight secondary ion mass spectrometer (ToF - SIMS) determines the material composition of the first surface mono - layer by «shooting» metallic ions at it.

The Williams lab also has an imaging time - of - flight secondary ion mass spectrometer used for novel bioimaging applications.

A time - of - flight secondary ion mass spectrometer (ToF - SIMS), which provides a very high spatial resolution down to the nanometre range, was used in this particular study.

The international scientific team, led by author Charles W. Kosman, used an electron microprobe, an infrared spectrometer and a secondary ion mass spectrometer to analyze these diamonds.

The device is small enough to fit in the palm of a hand, works with many scientific instruments including time - of - flight secondary ion mass spectrometers and scanning electron microscopes.

Not exact matches

A typical mass spectrometer comprises three parts: an ion source, a mass analyzer, and a detector system.

The isotopes in the sample are formed into an ion beam that is detected at the far end of the mass spectrometer, where the number of isotopes are counted.

A device called the integrated ion - trap - time - of - flight mass spectrometer, which was invented by Hudson's lab and which was used to discover the reaction — was featured on a recent episode of the sitcom «The Big Bang Theory.»

Specifically, they measured hydrogen and its isotope, deuterium (hydrogen with an extra neutron in its nucleus) with ion microprobes, which use a focused beam of ions to sputter ions from a small rock sample into a mass spectrometer.

Asara nailed the case when he purified Schweitzer's samples and ran them through an ion - trap mass spectrometer.

Chemical imaging involves the use of a laser or ion beam to analyse the sections of skin using a mass spectrometer.

This beam is transferred to a mass spectrometer for identification and counting of the ions.

«For high - throughput, untargeted analyses,» says Huhmer, «the Thermo Scientific Q Exactive mass spectrometers, combined with the breadth of chromatographic separations — including LC, [ion chromatography], and GC systems — detect and resolve chemically diverse compounds in the metabolome.»

He then tuned the mass spectrometer to select the desired clusters: the 11 gold atom ions.

Johnson then electrosprayed the solution into a unique custom - built mass spectrometer at EMSL that is specially designed for ion soft landing.

To probe «closed shell» effects surrounding elements with 32 neutrons, a team at TRIUMF produced exotic, radioactive forms of titanium and weighed them with the ultra-precise mass spectrometers at TRIUMF's Ion Trap for Atomic and Nuclear Science (TITAN) facility.

The gases are converted into electrically charged ions which are analyzed by means of a mass spectrometer.

By combining ion mobility rates with weight readings from a mass spectrometer, Hill can identify molecules in a much more comprehensive way.

We use a combination of experimental studies of collisional activation and dissociation of complex molecules in a Fourier transform ion cyclotron resonance mass spectrometer with RRKM modeling to determine the internal energy distribution of excited ions and the energetics and dynamics of dissociation for the ion of interest.

(A) Direct - infusion measurements were carried out on an LTQ Orbitrap XL (Thermo Scientific) mass spectrometer using the Ion Max ESI source.

Direct - infusion measurements were carried out on an LTQ Orbitrap XL mass spectrometer (Thermo Fisher Scientific, Waltham, MA) using the Ion Max ESI source (Thermo Fisher Scientific).

The Hiden IDP ion desorption probe is a quadrupole mass spectrometer configured for analysis of low energy ions in electron and photon stimulated desorption studies.

His intuitive habit of seeking the next important means for advancing mass spectrometry — ion optics, reaction kinetics, ion - molecule reactions, analytical chemistry — led Futrell to create 20 new mass spectrometers, either via major overhauls of commercially available models or from ground - up designs, including the key invention of tandem mass spectrometers.

Fluoroquinolones were analyzed by liquid chromatography coupled to an ion trap mass spectrometer and electro spray interface (LC - ESI - IT - MSMS).

Strontium isotope ratios can be measured at the delta ppm level using a medium to high resolution magnetic sector mass spectrometer with multiple fixed collectors and either thermal ionization or inductively coupled plasma as an ion source.