| pubmed-article:17933879 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:17933879 | lifeskim:mentions | umls-concept:C0037812 | lld:lifeskim |
| pubmed-article:17933879 | lifeskim:mentions | umls-concept:C1710662 | lld:lifeskim |
| pubmed-article:17933879 | lifeskim:mentions | umls-concept:C2348660 | lld:lifeskim |
| pubmed-article:17933879 | lifeskim:mentions | umls-concept:C2324978 | lld:lifeskim |
| pubmed-article:17933879 | pubmed:issue | 3 | lld:pubmed |
| pubmed-article:17933879 | pubmed:dateCreated | 2008-1-10 | lld:pubmed |
| pubmed-article:17933879 | pubmed:abstractText | Low-frequency vibrational modes of biological molecules consist of intramolecular modes, which are dependent on the molecule as a whole, as well as intermolecular modes, which arise from hydrogen-bonding interactions and van der Waals forces. Vibrational modes thus contain important information about conformation dynamics of biological molecules, and can also be used for identification purposes. However, conventional Fourier transform infrared spectroscopy and terahertz time-domain spectroscopy (THz-TDS) often result in broad, overlapping features that are difficult to distinguish. The technique of waveguide THz-TDS has been recently developed, resulting in sharper features. For this technique, an ordered polycrystalline film of the molecule is formed on a metal sample plate. This plate is incorporated into a metal parallel-plate waveguide and probed via waveguide THz-TDS. The planar order of the film reduces the inhomogeneous broadening, and cooling of the samples to 77K reduces the homogenous broadening. This combination results in the line-narrowing of THz vibrational modes, in some cases to an unprecedented degree. Here, this technique has been demonstrated with seven small biological molecules, thymine, deoxycytidine, adenosine, D-glucose, tryptophan, glycine, and L-alanine. The successful demonstration of this technique shows the possibilities and promise for future studies of internal vibrational modes of large biological molecules. | lld:pubmed |
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| pubmed-article:17933879 | pubmed:language | eng | lld:pubmed |
| pubmed-article:17933879 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:17933879 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:17933879 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:17933879 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:17933879 | pubmed:month | Feb | lld:pubmed |
| pubmed-article:17933879 | pubmed:issn | 1542-0086 | lld:pubmed |
| pubmed-article:17933879 | pubmed:author | pubmed-author:LamasAA | lld:pubmed |
| pubmed-article:17933879 | pubmed:author | pubmed-author:GrischkowskyD... | lld:pubmed |
| pubmed-article:17933879 | pubmed:author | pubmed-author:MelingerJosep... | lld:pubmed |
| pubmed-article:17933879 | pubmed:author | pubmed-author:HarshaS... | lld:pubmed |
| pubmed-article:17933879 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:17933879 | pubmed:day | 1 | lld:pubmed |
| pubmed-article:17933879 | pubmed:volume | 94 | lld:pubmed |
| pubmed-article:17933879 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:17933879 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:17933879 | pubmed:pagination | 1010-20 | lld:pubmed |
| pubmed-article:17933879 | pubmed:dateRevised | 2010-9-16 | lld:pubmed |
| pubmed-article:17933879 | pubmed:meshHeading | pubmed-meshheading:17933879... | lld:pubmed |
| pubmed-article:17933879 | pubmed:meshHeading | pubmed-meshheading:17933879... | lld:pubmed |
| pubmed-article:17933879 | pubmed:meshHeading | pubmed-meshheading:17933879... | lld:pubmed |
| pubmed-article:17933879 | pubmed:meshHeading | pubmed-meshheading:17933879... | lld:pubmed |
| pubmed-article:17933879 | pubmed:meshHeading | pubmed-meshheading:17933879... | lld:pubmed |
| pubmed-article:17933879 | pubmed:meshHeading | pubmed-meshheading:17933879... | lld:pubmed |
| pubmed-article:17933879 | pubmed:meshHeading | pubmed-meshheading:17933879... | lld:pubmed |
| pubmed-article:17933879 | pubmed:year | 2008 | lld:pubmed |
| pubmed-article:17933879 | pubmed:articleTitle | High-resolution waveguide THz spectroscopy of biological molecules. | lld:pubmed |
| pubmed-article:17933879 | pubmed:affiliation | School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA. | lld:pubmed |
| pubmed-article:17933879 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:17933879 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| http://linkedlifedata.com/r... | pubmed:referesTo | pubmed-article:17933879 | lld:pubmed |
