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Topic Area: Biological Physics
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Displaying records 11 to 17.
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11. Pronounced micro-segregation in a sorbitol water mixture observed through variable temperature neutron scattering
Topic: Biological Physics
Published: 5/16/2012
Authors: Shin G. Chou, Sheila Khodadadi, Joseph E Curtis, Susan T Krueger, Evgenyi Shalaev, Alan Soper, Andy Fitch, T Narayanan, Michael Szutucki, Marcus T Cicerone
Abstract: In this study, we use small and wide angle X-ray and neutron scattering measurements, to study the structure of concentrated sorbitol solutions and glasses at different temperatures. The analysis of the data suggests the water forms clusters with a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909101

12. Quantitative Characterization of Quantum Dot-labeled Lambda Phage for Escherichia coli Detection
Topic: Biological Physics
Published: 7/24/2009
Authors: Peter Yim, Matthew Lawrence Clarke, Michael McKinstry, Silvia Helena De Paoli Lacerda, Leonard F. Pease III, Marina A. Dobrovolskaia, Hyeong G. Kang, David Thomas Read, Shanmuga Sozhamannan, Jeeseong Hwang
Abstract: We rapidly and quantitatively detect biological pathogens by combining the specificity of bacteriophage lambda with the sensitivity of CdSe/ZnS quantum dot (QD)-based fluorescence. Specifically, QD-decorated lambda phages bind to and allow detection ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842614

13. THz Investigations of Condensed Phase Biomolecular Systems
Topic: Biological Physics
Published: 10/8/2008
Authors: Kevin O Douglass, Hailiang Zhang, Susan K. Gregurick, Karen M. Siegrist, David F Plusquellic
Abstract: Terahertz (THz) spectroscopic investigations of crystalline dipeptide nanotubes are discussed in the frequency region from 0.6 THz (2 cm-1) to 3 THz (100 cm-1). The THz region provides access to collective modes of biomolecular systems and is theref ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842603

14. Terahertz Spectra and Normal Mode Analysis of the Crystalline VA Class Dipeptide Nanotubes
Topic: Biological Physics
Published: 12/31/2008
Authors: David F Plusquellic, Weimin Zhang, Karen M. Siegrist, Susan K. Gregurick
Abstract: Terahertz (THz) spectra of the crystalline VA class dipeptide nanotubes were calculated at both the harmonic and Vibrational Self-consistent Field (VSCF) level using the CHARMM22 force field with periodic boundary conditions. Comparison of the calcul ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842523

15. Terahertz spectroscopy of aqueous L-Proline in reverse micelles
Topic: Biological Physics
Published: 11/21/2008
Authors: Catherine C Cooksey, Edwin J Heilweil, Benjamin Greer
Abstract: A new method for obtaining room temperature terahertz (THz) absorption spectra of aqueous-phase biomolecules in the frequency range 1 THz to 21 THz (35 cm-1 to 700 cm-1) is reported. The spectrum for L-Proline was acquired by solvating the amino ac ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842526

16. Tetracysteine-Based Fluorescent Tags to Study Protein Localization and Trafficking in Plasmodium falciparum-Infected Erythrocytes
Topic: Biological Physics
Published: 8/10/2011
Authors: Georgeta Crivat, Fuyuki Tokumasu, Juliana Martha Sa , Thomas E. Wellems, Jeeseong Hwang
Abstract: Plasmodium falciparum (Pf) malaria parasites remodel host erythrocytes by placing membranous structures in the host cell cytoplasm and inserting proteins into the surrounding erythrocyte membranes. Dynamic imaging techniques with high spatial and tem ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907708

17. Total free energy governs cell morphology ‹ A possible solution to obtain intrinsic cell modulus
Topic: Biological Physics
Published: 9/26/2013
Authors: Martin Y Chiang, Yanzi Yangben , Nancy J Lin, Li Yang
Abstract: Cells adjust their morphology in response to physical and chemical interactions with their environment. In this report, we deem that the fundamental nature of free energies associated with cell/substrate interactions regulates adherent cell morpholog ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909671



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