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21. Probing the intracellular glutathione redox potential using in-cell NMR spectroscopy
Topic: Chemistry
Published: 1/2/2014
Authors: Steve Y. Rhieu, Aaron A Urbas, Daniel W Bearden, John P Marino, Vytautas Reipa, Katrice A Lippa
Abstract: Non-invasive and real-time analysis of cellular redox processes has been greatly hampered by lack of suitable measurement techniques. Here we describe an in-cell nuclear magnetic resonance (NMR)-based method for measuring the intracellular glutathion ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914505

22. Nondestructive Testing (NDT) and Sensor Technology for Service Life Modeling of New and Existing Concrete Structures
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7974
Topic: Chemistry
Published: 12/18/2013
Authors: Kenneth Alan Snyder, Li Piin Sung, Geraldine S Cheok
Abstract: Nondestructive test (NDT) methods and sensor technologies are evaluated in the context of providing input parameters to service life prediction models for reinforced concrete structures. Relevant NDT methods and sensors are identified that are based ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914232

23. Steering Acoustically Propelled Nanowire Motors towards Cells in a Biologically Compatible Environment using Magnetic Fields
Topic: Chemistry
Published: 12/10/2013
Authors: Suzanne Ahmed, Wei Wang, Lamar O. Mair, Robert D. Fraleigh, Sixing Li, Luz Angelica Castro, Mauricio Hoyos, Tony Jun Huang, Thomas E. Mallouk
Abstract: The recent discovery of fuel-free propulsion of nanomotors using acoustic energy has provided a new avenue for using nanomotors in biocompatible media. Crucial to the application of nanomotors in biosensing and biomedical applications is the ability ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914385

24. Inhibition of DNA glycosylases via small molecule purine analogs
Topic: Chemistry
Published: 12/9/2013
Authors: M Miral Dizdar, Aaron C. Jacobs, Ajit Jadhav, Dorjbal Dorjsuren, David Maloney, Anton Simeonov, Pawel Jaruga, Amanda K. McCullough, R. Stephen Lloyd
Abstract: Following the formation of oxidatively-induced DNA damage, several DNA glycosylases are required to initiate repair of the base lesions that are formed. Recently, NEIL1 and other DNA glycosylases, including OGG1 and NTH1 were identified as potent ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914071

25. Performance Criteria For an ASTM XRF Standard Test Method For Chemical Analysis of Hydraulic Cements: Inter-Laboratory Study Cements E and F
Series: Technical Note (NIST TN)
Report Number: 1815
Topic: Chemistry
Published: 12/6/2013
Author: Paul E Stutzman
Abstract: Bulk oxide determinations from a pair of portland cements provides the basis for calculation precision and accuracy values for X-ray fluorescence (XRF) analysis for both the fused glass bead and the pressed powder sample preparation. This report is ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914657

26. Performance Criteria For an ASTM XRF Standard Test Method For Chemical Analysis of Hydraulic Cements: Inter-Laboratory Study on Cements A and B
Series: Technical Note (NIST TN)
Report Number: 1816
Topic: Chemistry
Published: 12/6/2013
Author: Paul E Stutzman
Abstract: Bulk oxide determinations from a pair of portland cements provides the basis for calculation precision and accuracy values for X-ray fluorescence (XRF) analysis for both the fused glass bead and the pressed powder sample preparation. Approximately ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914021

27. Flexible retrospective phase stepping in x-ray scatter correction and phase contrast imaging using structured illumination
Topic: Chemistry
Published: 10/31/2013
Authors: Han Wen, Houxun Miao, Eric E Bennett, Nicholas M Adamo, Lei Chen
Abstract: An efficient class of x-ray phase contrast imaging and scatter correction methods share the idea of using structured illumination in the form of a periodic fringe pattern created with gratings or grids. They measure the scatter and distortion of the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914678

28. Fluctuation Enhanced Sensing (FES) with a Nanostructured Semiconducting Metal Oxide Film for Gas Detection and Classification
Topic: Chemistry
Published: 10/31/2013
Authors: Bulent Ayhan, Chiman Kwan, Jin Zhou, Laszlo Kish, Kurt D Benkstein, Phillip H. Rogers, Stephen Semancik
Abstract: The feasibility of fluctuation-enhanced sensing (FES) for the detection and classification of different gases by using a single microsensor has been experimentally demonstrated. A nanostructured semiconducting metal oxide film has been used as a chem ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912530

29. Enhancing the Performance of High Volume Fly Ash Concretes Using Fine Limestone Powder
Topic: Chemistry
Published: 10/29/2013
Authors: Jussara Tanesi, Dale P Bentz, Ahmad Ardani
Abstract: One of the primary approaches being explored to produce more sustainable concretes consists of replacing a significant portion of the portland cement with industrial by-products. In high volume fly ash (HVFA) concretes, for example, the nominal goal ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912432

30. Connection between thermodynamics and dynamics of simple fluids in highly attractive pores
Topic: Chemistry
Published: 10/25/2013
Authors: William P Krekelberg, Vincent K Shen, Daniel W Siderius, Thomas M. Truskett, Jeffrey R. Errington
Abstract: We investigate the structural and diffusive dynamics properties of a model fluid in highly-absorptive cylindrical pores. At subcritical temperatures, self diffusion displays three distinct regimes as a function of average pore density ρ: 1) a de ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914566



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