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Automated Analysis of Organic Particles Using Cluster SIMS

June 1, 2004

Author(s)

John G. Gillen, Cynthia J. Zeissler, Christine M. Mahoney, Abigail P. Lindstrom, Robert A. Fletcher, P Chi, Jennifer R. Verkouteren, David S. Bright, R Lareau, M Boldman

Cluster primary ion bombardment combined with secondary ion imaging is used in an ion microscope secondary ion mass spectrometer for the spatially resolved analysis of organic particles on various surfaces. Compared to the use of monoatomic primary ion

Certification of NIST Standard Reference Material 1575a Pine Needles and Results of an International Laboratory Comparison

June 1, 2004

Author(s)

Elizabeth A. Mackey, Donald A. Becker, Rabia D. Oflaz, Robert R. Greenberg, Richard M. Lindstrom, Lee L. Yu, Laura J. Wood, Stephen E. Long, William R. Kelly, Jacqueline L. Mann, Bruce S. MacDonald, Stephen A. Wilson, Zoe A. Brown, Paul H. Briggs, James Budhan, Rick L. Paul

Depth Profiling of 4-Acetamindophenol-Doped Poly(lactic acid) Films Using Cluster Secondary Ion Mass Spectrometry

June 1, 2004

Author(s)

Christine M. Mahoney, S V. Roberson, John G. Gillen

The feasibility of cluster Secondary Ion Mass Spectrometry (SIMS) for depth profiling of drug delivery systems is explored. Behaviors of various biodegradable polymer films under dynamic SF 5 + primary ion bombardment was investigated including several

Duplication of DYS19 flanking regions in other parts of the Y chromosome

June 1, 2004

Author(s)

John M. Butler, R Schoske

Dynamic SIMS Utilizing SF 5 + Polyatomic Primary Ion Beams for Drug Delivery Applications

June 1, 2004

Author(s)

Christine M. Mahoney, S V. Roberson, John G. Gillen

The behavior of various biodegradable polymer films (e.g. polylactic acid, polyglycolic acid and polycaprolactone) as well as some model drugs (theophylline and 4-acetamidophenol) under dynamic SF 5 + primary ion bombardment is explored. A series of

Microfluidic Mixing

June 1, 2004

Author(s)

Laurie E. Locascio

Structural Changes that Accompany the Temperature Dependence of the Formal Potential of Putidaredoxin

June 1, 2004

Author(s)

Vytautas Reipa, Marcia J. Holden, M P. Mayhew, V L. Vilker

Radio-Frequency Glow Discharge Spectrometry: A Critical Review

May 21, 2004

Author(s)

Michael R. Winchester, R Payling

Photodegradation of Fluorescein in Solutions Containing n-Propyl Gallate

May 20, 2004

Author(s)

Adolfas K. Gaigalas, Lili Wang, Kenneth D. Cole, E Humphries

Determination of Caffeine, Theobromine, and Theophylline in Standard Reference Material 2384, Baking Chocolate, Using Reversed-Phase Liquid Chromatography

May 5, 2004

Author(s)

Jeanice M. Brown Thomas, J. H. Yen, Michele M. Schantz, Barbara J. Porter, Katherine E. Sharpless

Making Chlorine Greener: Investigation of Alternatives to Sulfite for Dechlorination

May 1, 2004

Author(s)

Mary Bedner, William A. MacCrehan, G. R. Helz

Effects of the Agricultural Pesticides Atrazine, Chlorothalonil, and Endosulfan on South Florida Microbial Assemblages

April 1, 2004

Author(s)

H F. Downing, John R. Kucklick, M E. DeLorenzo, M H. Fulton, G L. Scott, C J. Madden

Forensic value of the multicopy Y-STR marker DYS464

April 1, 2004

Author(s)

John M. Butler, R Schoske

New NIST Sediment SRM for Inorganic Analysis

March 1, 2004

Author(s)

Rolf L. Zeisler

Overexpression and rapid purification of Escherichia coli formamidopyrimidine-DNA glycosylase.

March 1, 2004

Author(s)

Prasad T. Reddy, Pawel Jaruga, T O'Connor, H Rodriguez, M Dizdaroglu

FT IR Studies of C 30 Self-Assembled Monolayers on Silica, Titania, and Zirconia

February 4, 2004

Author(s)

G Srinivasan, M. Pursch, Lane C. Sander, K Muller

Binding of Lithium and Boron to Human Plasma Proteins II: Results for a Bipolar Not on Lithium Therapy

February 1, 2004

Author(s)

W B. Clarke, R Guscott, Richard M. Lindstrom

We report further measurements of lithium and boron bound to human plasma proteins using the techniques of gel chromatography, thermal-neutron activation, and high-sensitivity helium isotope mass spectrometry. The plasma sample was donated by a bipolar

Characterization of Colloidal Material Fom Natural and Engineered Waters Investigating Structure-Function Relationships Through Microanalysis

February 1, 2004

Author(s)

Richard D. Holbrook, Scott A. Wight, Dale E. Newbury

The fate, transport and ultimate impact of toxic compounds in aquatic systems is governed by their distribution between the particulate, colloidal and dissolved phases. Colloids, conventionally defined as solid material between 1 nm and 1 m in size

Effects of Materials Chemistry and Morphology on Conductometric Sensor Signals

February 1, 2004

Author(s)

Douglas C. Meier, Stephen Semancik

Observation of conductance changes in material films upon their interactions with gas phase molecules is the basis of operation of the chemical microsensors being developed in the Chemical Sciences and Technology Laboratory at NIST. These interactions are

Endogenous Lithium and Boron Red Cell-Plasma Ratios: Normal Subjects versus Bipolar Patients Not on Lithium Therapy

February 1, 2004

Author(s)

W B. Clarke, R Guscott, Robert G. Downing, Richard M. Lindstrom

Preparation and Uncertainty Calculations for the Molality-Based Primary Standards for Electrolytic Conductivity

February 1, 2004

Author(s)

R H. Shreiner

Scanning Probe Studies of Nanoscale Adhesion Between Slides in the Presence of Liquids and Monolayers Films

February 1, 2004

Author(s)

J Batteas

There has been significant progress in the experimental study of adhesion at the nanometer scale using scanning probe methods, but numerous challenges exist. A discussion of solid-solid adhesion without an intervening medium is provided elsewhere in this

Solid-Phase Extraction Electrospray Ionization Mass Spectrometry for the Quantification of Folate in Human Plasma or Serum

February 1, 2004

Author(s)

Bryant C. Nelson, Christine M. Pfeiffer, S A. Margolis, C Nelson

Strategies and Practicalities in the Production and Use of Gas Isotope Standard Materials

February 1, 2004

Author(s)

R M. Verkouteren

Isotopic Reference Materials (RMs) are a critical component in the assurance of laboratory analytical quality, and have been applied to growing needs in environmental monitoring, medical and industrial applications, consumer protection, and in the

Response to Comment on Reevaluation of Air-Water Exchange Fluxes of PCBs in Green Bay and Southern Lake Michigan

January 27, 2004

Author(s)

J E. Baker, H. A. Bamford, Robert E. Huie, Dianne L. Poster

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