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Helium Atmosphere Chamber for Soft X...

Carpenter, Matthew Hollis.

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Helium Atmosphere Chamber for Soft X-ray Spectroscopy of Biomolecules.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Helium Atmosphere Chamber for Soft X-ray Spectroscopy of Biomolecules./
作者:	Carpenter, Matthew Hollis.
面頁冊數:	76 p.
附註:	Source: Masters Abstracts International, Volume: 49-04, page: 2373.
Contained By:	Masters Abstracts International49-04.
標題:	Engineering, Biomedical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1489366
ISBN:	9781124508382

Helium Atmosphere Chamber for Soft X-ray Spectroscopy of Biomolecules.
Carpenter, Matthew Hollis.

Helium Atmosphere Chamber for Soft X-ray Spectroscopy of Biomolecules. - 76 p.

Source: Masters Abstracts International, Volume: 49-04, page: 2373.

Thesis (M.S.)--University of California, Davis, 2010.

X-ray Absorption Spectroscopy (XAS) is a powerful technique that can provide important information for the study of biological systems. The study of the structure and chemistry at the active metal sites in metalloproteins is important not only for the understanding of the function of the molecules themselves, but also in the hope that the mechanisms once understood may lead to advancement in catalytic chemistry and materials. While techniques using high-energy "hard" X-rays have been well developed for over three decades, the highly useful low-energy or "soft" X-ray regime has seen more recent application to biomolecules. Furthermore, the technical necessities of soft X-ray experiments - most notably the need for Ultra-High Vacuum (UHV) - place restrictions on the form and state of the sample and usually preclude liquid or frozen solution measurements. The Helium atmosphere chamber is designed to allow soft XAS of biomolecules and model compounds in a frozen state without exposure to UHV by isolating the sample inside a cryogenic gaseous exchange gas environment. The implementation allows easier sample handling than typical UHV chambers and measurement in conditions ranging from atmosphere (760 Torr) to 100s of mTorr. The system integrates with the existing end station setup at beam line 4.0.2 at the Advanced Light Source at Lawrence Berkeley National Laboratory.

ISBN: 9781124508382Subjects--Topical Terms:

1017684
Engineering, Biomedical.

Helium Atmosphere Chamber for Soft X-ray Spectroscopy of Biomolecules.
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502 $a Thesis (M.S.)--University of California, Davis, 2010.
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