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NIST Authors in Bold

Displaying 28751 - 28775 of 143737

Assessing the use of an infrared spectrum hyperpixel array imager to measure temperature during additive and subtractive manufacturing

May 11, 2016

Author(s)

Eric P. Whitenton, Brandon M. Lane, Jarred C. Heigel, Shawn P. Moylan

Accurate non-contact temperature measurement is important to optimize manufacturing processes. This applies to both additive (3D printing) and subtractive (material removal by machining) manufacturing. Performing accurate single wavelength thermography

Combinatorial Coverage Analysis of Subsets of the TLS Cipher Suite Registry

May 11, 2016

Author(s)

Dimitris Simos, Kristoffer Kleine, D. Richard Kuhn, Raghu N. Kacker

We present a combinatorial coverage measurement for (subsets) of the TLS cipher suite registries by analyzing the specified ciphers of IANA, ENISA, BSI, Mozilla and NSA Suite B. Our findings contribute towards the design of quality measures of recommended

Kaleidoscope of quantum phases in a long-range interacting spin-1 chain

May 11, 2016

Author(s)

Zhe-Xuan Gong, Mohammad F. Maghrebi, Anzi A. Hu, Michael S. Foss-Feig, Phil Richerme, Christopher Monroe, Alexey Gorshkov

NIST Recommended Practice Guide: Fractography of Ceramics and Glasses, 2nd edition

May 11, 2016

Author(s)

George D. Quinn

Fractography is a powerful tool for the analysis of fractured glasses and ceramics. It is applicable to fractures created under controlled conditions in the laboratory and to component failures in service. Fractography can identify the cause of failure and

Non-destructive evaluation of a new hydrolytically degradable and photo-clickable PEG hydrogel for cartilage tissue engineering

May 11, 2016

Author(s)

Alexander J. Neumann, Timothy P. Quinn, Stephanie J. Bryant

Photopolymerizable and hydrolytically labile poly(ethylene glycol) (PEG) hydrogels formed from photo-clickable reactions were investigated as cell delivery platforms for cartilage tissue engineering (TE). PEG hydrogels were formed from thiol-norbornene PEG

Uncertainty of Error: The Error Dilemma

May 11, 2016

Author(s)

Charles D. Ehrlich

Measurement error has historically been defined in the metrology community as a difference of 'values,' usually as a difference between a 'measured value' and a 'reference value.' The reference value is sometimes considered to be a 'true value,' which is

An Algorithm for Identifying Optimal Spreaders in a Random Walk Model of Network Communication

May 10, 2016

Author(s)

Fern Y. Hunt

In a model of network communication based on a random walk in an undirected graph, what subset of nodes (subject to constraints on its size), enable the fastest spread of information? The dynamics of spread is described by a process dual to the movement

Development of in situ Electrochemical Small-Angle Neutron Scattering (eSANS) for Simultaneous Structure and Redox Characterization of Nanoparticles

May 10, 2016

Author(s)

Vivek M. Prabhu, Vytautas Reipa, Adam Rondinone, Peter V. Bonnesen, Eric Formo

An in situ electrochemical small-angle neutron scattering (eSANS) method was developed to measure simultaneously the redox properties and size, shape and interactions of solution-dispersed nanomaterials. By combining multi-step potentials and

Enhancing Single-Wall Carbon Nanotube Properties Through Controlled Endohedral Filling

May 10, 2016

Author(s)

Jochen I. Campo, Yanmei Piao, Stephanie Lam, Christopher Stafford, Jason K. Streit, Jeffrey R. Simpson, Angela R. Hight Walker, Jeffrey Fagan

Chemical control of the endohedral volume of single-wall carbon nanotubes (SWCNTs) via liquid-phase filling is demonstrated to be a facile strategy to controllably modify properties of the nanotubes in manners significant for processing and proposed

National Voluntary Laboratory Accreditation Program (NVLAP) Calibration Laboratories

May 10, 2016

Author(s)

Barbara J. Belzer, Kari K. Harper, Thomas R. Hettenhouser, Warren R. Merkel

NIST Handbook 150-2, 2016 edition, presents the technical requirements and guidance for the accreditation of laboratories under the National Voluntary Laboratory Accreditation Program (NVLAP) Calibration Laboratories Program. The 2016 edition of NIST

Probing Charge Transfer and Hot Carrier Dynamics in Organic Solar Cells with Terahertz Spectroscopy

May 10, 2016

Author(s)

Paul D. Cunningham, Paul A. Lane, Joseph S. Melinger, Okan Esenturk, Edwin J. Heilweil

Time-resolved terahertz spectroscopy (TRTS) was used to explore charge generation, transfer, and the role of hot carriers in organic solar cell photovoltaic materials. Two model molecular photovoltaic systems were investigated: with Zinc Phthalocyanine

Real-Time, Single Molecule Electronic DNA Sequencing by Synthesis Using Polymer Tagged Nucleotides on a Nanopore Array

May 10, 2016

Author(s)

Carl Fuller, Shiv Kumar, Mintu Porel, Michen Chien, Arek Bibillo, P. B. Stranges, Michael Dorwart, Chuanjua Tao, Zengmin Li, Wenjing Guo, Shundi Shi, Daniel Korenblum, Andrew Trans, Anne Aguirre, Edward Liu, Takeshi Harada, James Pollard, Ashwini Bhat, Cynthia Cech, Alexander Yang, Cleoma Spilman, Mirko Palla, Jennifer Hovis, Roger Chen, Irina Morozova, Sergey Kalachikov, James Russo, John J. Kasianowicz, Stefan Roever, George Church, Jingyue Ju

DNA sequencing by synthesis (SBS) offers a robust platform to decipher nucleic acid sequences. Recently, we developed a single molecule nanopore-based SBS strategy (NanoSBS) that accurately distinguishes four bases by electronically detecting and

Stress Analysis of Conical Contact Joints in the NIST 4.45 MN Deadweight Machine

May 10, 2016

Author(s)

Nicholas A. Vlajic, Akobuije D. Chijioke, Ricky L. Seifarth

Structural analysis of conical contact joints in the NIST 4.45 MN Dead Weight Machine using finite element analysis is presented in this paper. This analysis was undertaken due to the observation of surface damage in these joints. Parametric studies are

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