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Conferences

Non-contact Conductance Measurement of Nanosize Objects using Reasonant Cavity

May 15, 2014

Author(s)

Jan Obrzut, Nathan D. Orloff, Oleg A. Kirillov

A cavity perturbation method is used to determine conductance of small volume nano-carbon materials. These are the building blocks of nanostructured materials...

Effectiveness of an in-duct electrostatic precipitator in nanoparticle removal with consideration of ozone emissions

May 15, 2014

Author(s)

Dong H. Rim, Dustin G. Poppendieck, Lance L. Wallace, Andrew K. Persily

Human exposure to ultrafine particles (UFP,

Precise Latency Measurement of Unidirectional-Data-Flow Network Equipment

May 14, 2014

Author(s)

I-Chun Chao, Kang B. Lee, Frederick M. Proctor, Chien-Chung Shen, Fan-Ren Chang

In regards to network performance measurements, many timing indices, such as latency, jitter, and one-way delay (OWD), are getting more attention because real...

Thermochromic Phase Transitions in VO2-based Thin Films for Energy-Saving Applications

May 14, 2014

Author(s)

Sara C. Barron, Justin M. Gorham, Martin L. Green

The thermochromic transition in vanadium dioxide has potential application as a smart energy-saving window coating, but the temperature of the transition must...

Metrology for 3D Integration

May 13, 2014

Author(s)

Richard Allen, Victor H. Vartanian, David T. Read, Winthrop A. Baylies

Three-dimensional stacked integrated circuit (3DS-IC) fabrication requires complex technologies such as high-aspect ratio through- silicon vias (TSVs), wafer...

Nanomaterials-Enabled Photonic and Chemiresistive Sensing of Chemicals and Biochemicals

May 12, 2014

Author(s)

Charles J. Choi, Kurt D. Benkstein, Phillip H. Rogers, Christopher B. Montgomery, Stephen Semancik

Contact events occurring between target species and surface sites on sensing materials initiate front-end interactions and subsequent transduction processes...

Microwave-Based Metrology Platform Development: Application of Broad-Band RF Metrology to Integrated Circuit Reliability Analyses

May 12, 2014

Author(s)

Lin You, Chukwudi A. Okoro, Jungjoon Ahn, Joseph Kopanski, Yaw S. Obeng

In this paper we describe the development of a suite of techniques, based on the application of high frequency electromagnetic waves, to probe material and...

Plasmonic nanodome array fabricated on plastic as a dual-mode surface plasmon resonance and surface- enhanced Raman scattering sensor

May 12, 2014

Author(s)

Charles J. Choi, Stephen Semancik

Label-free optical sensors have recently emerged as a highly sensitive approach for detecting a broad range of chemical and biological analytes that include...

Scanning Probe Microscopes for Subsurface Imaging

May 11, 2014

Author(s)

Joseph J. Kopanski, Lin You, Jungjoon Ahn, Emily Hitz, Yaw S. Obeng

Scanning probe microscopes (SPMs) have some ability to image sub-surface structures. This paper describes the theoretical and practical basis for imaging metal...

Control Fusion for Safe Multi-robot Coordination

May 9, 2014

Author(s)

Roger V. Bostelman, Jeremy A. Marvel

Future smart manufacturing systems will include more complex coordination of mobile manipulators (e.g., robot arms mounted on mobile bases). The National...

NIST traceable measurements of radiance and luminance levels of night-vision-goggle test-instruments

May 7, 2014

Author(s)

George P. Eppeldauer, Vyacheslav B. Podobedov

In order to perform radiance and luminance level measurements of night-vision-goggle (NVG) test instruments, NIST developed new-generation transfer-standard...

Constitutive Modeling based on Evolutionary Multi-junctions of Dislocations

May 7, 2014

Author(s)

Minh-Son Pham, Adam A. Creuziger, Mark A. Iadicola, Timothy J. Foecke, A.D. Rollett

A latent hardening model based on the binary junction-induced hardening can effectively describe the plastic anisotropic response. However, this approach still...

FCGR of Pipeline Steels in Pressurized Hydrogen Gas: A Comparison of Cyclic Loading Rates

May 5, 2014

Author(s)

Elizabeth S. Drexler, Andrew J. Slifka, Robert L. Amaro, Damian S. Lauria

A gaseous hydrogen environment is believed to have a deleterious effect on the fatigue properties of steel. Furthermore, it is theorized that the slower the...

Domain-engineered PPLN for entangled photon generation and other quantum information applications

May 1, 2014

Author(s)

Paulina S. Kuo, Jason S. Pelc, Oliver T. Slattery, Lijun Ma, Xiao Tang

We describe the design and application of domain-engineered periodically poled lithium niobate (PPLN) for use as a source of entangled photons and for other...

Accurate RRAM Transient Currents during Forming

April 30, 2014

Author(s)

Pragya R. Shrestha, David M. Nminibapiel, Jason P. Campbell, Jihong Kim, Canute I. Vaz, Kin P. Cheung, Helmut Baumgart

Current overshoot during forming has been shown to be a serious issue. Recently the current overshoot duration has been shown to be an important factor...

3D Topography Measurements on Correlation Cells - A New Approach to Forensic Ballistics Identifications

April 30, 2014

Author(s)

Jun-Feng Song, Wei Chu, D Ott, Johannes A. Soons

Based on three dimensional (3D) topography measurements on correlation cells, the National Institute of Standards and Technology (NIST) has developed the "NIST...

A Model Towards Using Evidence from Security Events for Network Attack Analysis

April 27, 2014

Author(s)

Changwei Liu, Anoop Singhal, Duminda Wijesekera

Constructing an efficient and accurate model from security events to determine an attack scenario for an enterprise network is challenging. In this paper, we...

Bilateral NMI Comparison of Guarded-Hot-Plate Apparatus

April 27, 2014

Author(s)

Alain Koenen, Robert R. Zarr, William F. Guthrie

Two national metrology laboratories (NMI) have conducted an international interlaboratory comparison on thermal conductivity on two thermal insulation reference...

Sensor Calibration and Characterization to Meet Climate Monitoring Requirements

April 24, 2014

Author(s)

Catherine C. Cooksey, Gerald T. Fraser, Howard W. Yoon

The challenge of detecting small changes in the Earth's climate system over decadal and longer time scales places stringent requirements on environmental...

DEVELOPMENT OF 2 pi¿ TOTAL SPECTRAL RADIANT FLUX STANDARDS AT NIST

April 23, 2014

Author(s)

Yuqin Zong, Haiping Shen

We have developed a new, reflector lamp based 2 pi transfer standard for total spectral radiant flux (TSRF) scale in the spectral range from 360 nm to 1100 nm...

ANGULAR CHARACTERISTICS OF THE SURROUNDING LUMINANCE EFFECT ON PERIPHERAL ADAPTATION STATE IN THE MESOPIC RANGE

April 23, 2014

Author(s)

Yoshihiro Ohno, Tatsukiyo Uchida

CIE 191:2010 recommends a mesopic photometry system based on peripheral visual tasks. For implementation of the system, the visual adaptation field needs to be...

VISION EXPERIMENT ON ACCEPTABLE AND PREFERRED WHITE LIGHT CHROMATICITY FOR LIGHTING

April 23, 2014

Author(s)

Yoshihiro Ohno, Mira Fein

Standards on white light chromaticity of fluorescent lamps are available for more than three decades, but the specifications in these standards have not been...

Roles of Nanofiber Structure and Chemistry in Directing Stem Cell Morphology, Differentiation and Gene Expression

April 19, 2014

Author(s)

Sumona Sarkar, Bryan A. Baker, Desu Chen, Wolfgang Losert, Carl G. Simon Jr., Joy P. Dunkers

Nanofiber technology has emerged as a promising tool to recapitulate the native extracellular matrix (ECM) environment for tissue engineering and regenerative...

Measuring Organelle Shape in 3D in Stem Cells Cultured on Nanofiber Scaffolds

April 19, 2014

Author(s)

Carl G. Simon Jr., Peter Bajcsy, Wojtek J. Tutak, Jyotsnendu J. Giri

Previous work has demonstrated that culture of osteoprogenitor cells on nanofiber scaffolds can potentiate osteogenic differentiation [1-4]. Culture of cells in...

Machine Learning Analysis for Identification of Cell Shape Metrics Associated with Stem Cell Differentiation in Nanofiber Scaffolds

April 19, 2014

Author(s)

Desu Chen, Sumona Sarkar, Stephen J. Florczyk, Subhadip Bodhak, Carl G. Simon Jr., Joy P. Dunkers, Julian Candia, Wolfgang Losert

Cell shape has been demonstrated to be closely related to cell function and may be an important predictor of cell fate. Many metrics are available to describe...

Combinatorial Cassette for Screening of Osteogenesis by Transplanted Human Bone Marrow Stromal Cells

April 19, 2014

Author(s)

Subhadip Bodhak, Sheng Lin-Gibson, Carl G. Simon Jr., Luis Fernandez de Castro Diaz, Pamela G. Robey, Sergei A. Kuznetsov, Tina Kilts, Marian F. Young

The use of in vivo transplantation assays under defined experimental conditions has become a valuable standard for evaluating osteogenic potential of different...

Evaluation of the effect of donor variability on stem cell response to biomaterials

April 19, 2014

Author(s)

Stephen J. Florczyk, Bryan A. Baker, Sumona Sarkar, Jennifer H. McDaniel, Patrick S. Pine, Marc L. Salit, Carl G. Simon Jr.

Previous research from our group indicated that nanofiber scaffolds promoted osteogenic differentiation of human bone marrow stromal cells (hBMSC) and similar...

Efficient Field Coverage in Mobile Sensor Networks: A CPS Perspective

April 17, 2014

Author(s)

Kamran Sayrafian, Hamid Mahboubi, Amir G. Aghdam

Mobile sensor networks (MSN) are an excellent example of Cyber-Physical Systems where motion capability of the network nodes offers an opportunity to co-design...

Powder Bed Fusion Machine Performance Testing

April 16, 2014

Author(s)

Shawn P. Moylan, Joseph Drescher, M A. Donmez

Unlike conventional machining where there is a near 1:1 correspondence of machine performance to the geometry of the workpiece, the accuracy of the machine...

Assessment of Guidelines for Conducting Round Robin Studies in Additive Manufacturing

April 16, 2014

Author(s)

Shawn P. Moylan, John A. Slotwinski

The uniqueness of AM makes it necessary to develop specific guidance on conducting round robin studies. The existing standards on round robin studies for...

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