Peter C. White

Lateral tilt during IVC filter placement does not predict the need for advanced filter retrieval techniques

Peter C. White, Younes Jahangiri, Khashayar Farsad, John A. Kaufman et autres

PURPOSE: We aimed to determine if lateral inferior vena cava (IVC) filter tilt at placement predicts the need for subsequent advanced retrieval techniques. METHODS: A retrospective chart review was performed of all Gunther Tulip IVC filter placements with subsequent retrievals between February …

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Preparation and characterisation of a stable silver colloid for SER(R)S spectroscopy

Peter C. White, Jes Hjortkjær

A method for the reproducible preparation of a silver colloid with strong surface‐enhanced Raman scattering (SERS) properties, good stability with a zeta potential of −55 mV and a shelf life exceeding 1 year is reported. The mean particle size is 20 nm …

Development of surface enhanced Raman scattering (SERS) spectroscopy monitoring of fuel markers to prevent fraud

Timothy D. Wilkinson, John Clarkson, Peter C. White, Nicholas Meakin et autres

Governments often tax fuel products to generate revenues to support and stimulate their economies. They also subsidize the cost of essential fuel products. Fuel taxation and subsidization practices are both subject to fraud. Oil marketing companies also suffer from fuel fraud with …

Raman Optical Activity and Raman Spectra of Amphetamine Species—Quantum Chemical Model Calculations and Experiments

Rolf W. Berg, Irene Shim, Peter C. White, Salim Abdali

Theoretical calculations and preliminary measurements of vibrational Raman optical activity (ROA) spectra of different species of amphetamine (amphetamine and amphetamine-H+) are reported for the first time. The quantum chemical calculations were carried out as hybrid ab initio DFT-molecular orbital calculations by use …

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A high-resolution NMR probe in which the coil and preamplifier are cooled with liquid helium

Peter Styles, Nick Soffe, Christopher A. Scott, D.A. Cragg et autres

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Evaluation of laser diode thermal desorption (LDTD) coupled with tandem mass spectrometry (MS/MS) for support of in vitro drug discovery assays: Increasing scope, robustness and throughput of the LDTD technique for use with chemically diverse compound libraries

Iain G. Beattie, Aaron Smith, Daniel J. Weston, Peter C. White et autres

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The Use of Principal Component Analysis to Provide Objective Methods for the Examination of Arabic Signatures

Ahmed Haddad, Peter C. White, Anthony M. Cowell

The natural variation within an individual’s Arabic signature is studied using Principal Component Analysis (PCA) with orthogonal rotation of the components. Fifty replicate analyses of sixteen features, measurable or classified by a numerical coding system, were analysed for a legible and an …

Ab Initio Calculations and Raman and SERS Spectral Analyses of Amphetamine Species

Rolf W. Berg, Thomas Nørbygaard, Peter C. White, Salim Abdali

For the first time, the differences between the spectra of amphetamine and amphetamine-H+ and between different conformers are thoroughly studied by ab initio model calculations, and Raman and surface-enhanced Raman spectroscopy (SERS) spectra are measured for different species of amphetamine. The spectra …

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Examination of a Collection of Arabic Signatures

Ahmed Haddad, Peter C. White, Michael D. Cole

Arabic is the national language of the 22 Arab States, where it is spoken and written by about 300 million people. Forensic document examiners are often required to examine Arabic signatures, but without the help of any reference library of signatures. This …

Resonance Raman Optical Activity and Surface Enhanced Resonance Raman Optical Activity Analysis of Cytochrome c

Christian Johannessen, Peter C. White, Salim Abdali

High-resolution resonance Raman (RR) and resonance Raman optical activity (ROA) spectra of cytochrome c were obtained in order to perform full assignment of spectral features of the resonance ROA spectrum. The resonance ROA spectrum of cytochrome c revealed a distinct spectral signature …

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Environmental Justice Since Hammurabi: From Assigning Risk "Eye for an Eye" to Modern-Day Application of the Responsible Corporate Offcer Doctrine

Peter C. White

Responsible Corporate Officers and Section 113(C)(6) of the Clean Air Act: The Dormant Provision with a Useful Function

Peter C. White

The flurry of criticism over the addition of the responsible corporate officer provision to the Clean Air Act has focused on its application of strict liability and the mens rea requirement. Dotterweich and Park both applied what appeared to be strict liability …