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Deuterium in Medical News

Specially Developed Proteins Could Help Resist Ageing

...rbon, hydrogen, nitrogen and oxygen could be on the way. The idea has received a mixed reception from scientists in the field. Some point out that deuterium is toxic in moderate quantities, while others said it would be almost impossible to eat the right amount of fortified food to have a beneficial effect...
Deuterium in Biological News

Heavy pyridine crystallizes differently

...es deuterium. In principle, molecules that contain deuterium in place of hydrogen atoms are chemically identica...s "heavy water", water with molecules that contain deuterium in place of hydrogen, is toxic because it disrupts...usual structure. The replacement of hydrogen by deuterium clearly changes the strength of interactions betwe...

Clemson researchers advance nano-scale electromechanical sensors

... temperature. Preliminary results indicate that this fully electrical sensing scheme is so sensitive that it can differentiate between hydrogen and deuterium gas, very similar isotopes of the same element. Since the whole process is electrical, the size limitations that plague competing detection methods ar...

Detecting dangerous chemicals with lasers, exploring the brain's circuitry with light and more

...to emit X-rays that will fill the can, bombard a small plastic capsule in the can's center, implode the capsule, and trigger the fusion of tritium and deuterium inside. Lead researcher Christopher A. Haynam with LLNL will focus on the status of the light that will drive this operationby far the largest lase...

'Heftier' atoms reduce friction at the nanoscale, study led by Penn researcher reveals

...t to heat in the system, Robert Carpick, associate professor of mechanical engineering and applied mechanics at Penn, said. The larger atomic mass of deuterium results in a lower natural vibration frequency of the atoms. These atoms collide less frequently with the tip sliding over it, and thus energy is mo...

HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find

...gar solution containing a harmless chemical label, deuterium (a non-radioactive, stable isotope), for five days...f IL-2; and eight volunteers were HIV-negative. deuterium is incorporated into the DNA of actively dividing ...ng blood samples in weeks and months following the deuterium infusion and measuring the amount of...
Deuterium in Biological Technology

Clemson researchers advance nanoscale electromechanical sensors

... temperature. Preliminary results indicate that this fully electrical sensing scheme is so sensitive that it can differentiate between hydrogen and deuterium gas, very similar isotopes of the same element. Since the whole process is electrical, the size limitations that plague competing detection methods ar...

Clemson researchers advance nanoscale electromechanical sensors

... temperature. Preliminary results indicate that this fully electrical sensing scheme is so sensitive that it can differentiate between hydrogen and deuterium gas, very similar isotopes of the same element. Since the whole process is electrical, the size limitations that plague competing detection methods ar...

Detecting dangerous chemicals with lasers, exploring the brain's circuitry with light and more

...to emit X-rays that will fill the can, bombard a small plastic capsule in the can's center, implode the capsule, and trigger the fusion of tritium and deuterium inside. Lead researcher Christopher A. Haynam with LLNL will focus on the status of the light that will drive this operationby far the largest lase...

Energetiq's Laser-Driven Light Source Technology Enables Continuous Spectrum Light Sources, from Visible to Deep Ultraviolet

... Source covers wavelengths from 170nm to beyond visible, while attaining exceptional bright light and deliverable power at levels that exceed those of deuterium lamps and at a fraction of the cost of excimer or other DUV lasers. The fully integrated EQ-1000, which incorporates light collection optics and power...

Heavier hydrogen on the atomic scale reduces friction

...ces or by small topographic variations," Sumant said. "The nanoscale roughening of the diamond surface from the ion bombardment during the hydrogen or deuterium termination process, even though it was at very low level, remained one of our principal concerns." Sumant and his collaborators had looked at a nu...

Stopping atoms

...or Raizen said, "Of particular importance are the doors being opened for our understanding of hydrogen. Precision spectroscopy of hydrogen's isotopes, deuterium and tritium, continues to be of great interest to both atomic and nuclear physics. Further study of tritium, as the simplest radioactive element, als...
Deuterium in Biological Products

12(S)-HETE-d8, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 12(S)-HETE-d8 is used as an internal standard for the quantification of 12(S)-HETE by stable isotope dilution mass spectrometry....
Company:Cayman Chemical

5(S)-HETE-d8, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 5(S)-HETE-d8 is used as an internal standard for the quantification of 5(S)-HETE by stable isotope dilution mass spectrometry....
Company:Cayman Chemical

9(S)-HODE-d4, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 9(S)-HODE-d4 contains 4 deuterium atoms at the 9, 10, 12, and 13 positions. It is intended for use as an internal standard for the quantification of 9(S)-HODE by GC- or LC-mass spectrometry. 9(S)-HODE is produced by the lipoxygenation of linoleic acid in both plants and animals. It has been detecte...
Company:Cayman Chemical

9(S)-HODE-d4, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 9(S)-HODE-d4 contains 4 deuterium atoms at the 9, 10, 12, and 13 positions. It is intended for use as an internal standard for the quantification of 9(S)-HODE by GC- or LC-mass spectrometry. 9(S)-HODE is produced by the lipoxygenation of linoleic acid in both plants and animals. It has been detecte...
Company:Cayman Chemical

15(S)-HETE-d8, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 15(S)-HETE-d8 is used as an internal standard for the quantification of 15(S)-HETE by stable isotope dilution mass spectrometry....
Company:Cayman Chemical

12(S)-HETE-d8, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 12(S)-HETE-d8 is used as an internal standard for the quantification of 12(S)-HETE by stable isotope dilution mass spectrometry....
Company:Cayman Chemical

5(S)-HETE-d8, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 5(S)-HETE-d8 is used as an internal standard for the quantification of 5(S)-HETE by stable isotope dilution mass spectrometry....
Company:Cayman Chemical

12(S)-HETE-d8, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 12(S)-HETE-d8 is used as an internal standard for the quantification of 12(S)-HETE by stable isotope dilution mass spectrometry....
Company:Cayman Chemical

13(S)-HODE-d4, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 13(S)-HODE-d4 contains 4 deuterium atoms at the 9, 10, 12, and 13 positions. It is intended for use as an internal standard for the quantification of 13(S)-HODE by GC- or LC-mass spectrometry. 13(S)-HODE is produced by incubation of linoleic acid with plant and mammalian lipoxygenases. It has been ...
Company:Cayman Chemical

13(S)-HODE-d4, Deuterium Conjugated/Tagged from Cayman Chemical

Description: 13(S)-HODE-d4 contains 4 deuterium atoms at the 9, 10, 12, and 13 positions. It is intended for use as an internal standard for the quantification of 13(S)-HODE by GC- or LC-mass spectrometry. 13(S)-HODE is produced by incubation of linoleic acid with plant and mammalian lipoxygenases. It has been ...
Company:Cayman Chemical

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Deuterium in Biological Definition

Olfaction

... eye . Currently, only vibration theory can explain why a molecule containing hydrogen atoms (such as decaborane , B 10 H 14 ) and one containing deuterium atoms (such as deuterated decaborane, B 10 D 14 ) smell differently. Both have the same shape and chemical characteristics but have different vibrat...
Deuterium in Biological Dictionary

Molecule

.... For more information, see: History of the molecule . ... Physicists explode a molecule to get the best picture ever. ... In this snapshot of a deuterium molecule breaking apart, the green barbells are ... Single- molecule studies may be contrasted with measurements on an ensemble or ... Subtle 3D...
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