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Showing 1 to 12 of 68 entries
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Recent developments in vascular ultrasound technology.

Ultrasound (Leeds, England)

Hoskins PR, Kenwright DA.
PMID: 27433252
Ultrasound. 2015 Aug;23(3):158-65. doi: 10.1177/1742271X15578778. Epub 2015 Mar 26.

This article describes four technologies relevant to vascular ultrasound which are available commercially in 2015, and traces their origin back through the research literature. The technologies are 3D ultrasound and its use in plaque volume estimation (first described in...

Challenging lanthanide relaxation theory: erbium and thulium complexes that show NMR relaxation rates faster than dysprosium and terbium analogues.

Physical chemistry chemical physics : PCCP

Funk AM, Harvey P, Finney KL, Fox MA, Kenwright AM, Rogers NJ, Senanayake PK, Parker D.
PMID: 26051749
Phys Chem Chem Phys. 2015 Jul 07;17(25):16507-11. doi: 10.1039/c5cp02210j. Epub 2015 Jun 08.

Measurements of the proton NMR paramagnetic relaxation rates for several series of isostructural lanthanide(III) complexes have been performed in aqueous solution over the field range 1.0 to 16.5 Tesla. The field dependence has been modeled using Bloch-Redfield-Wangsness theory, allowing...

Lanthanide Complexes that Respond to Changes in Cyanide Concentration in Water.

Angewandte Chemie (International ed. in English)

Routledge JD, Zhang X, Connolly M, Tropiano M, Blackburn OA, Kenwright AM, Beer PD, Aldridge S, Faulkner S.
PMID: 28497649
Angew Chem Int Ed Engl. 2017 Jun 26;56(27):7783-7786. doi: 10.1002/anie.201702296. Epub 2017 Jun 05.

Cyanide ions are shown to interact with lanthanide complexes of phenacylDO3A derivatives in aqueous solution, giving rise to changes in the luminescence and NMR spectra. These changes are the consequence of cyanohydrin formation, which is favored by the coordination...

Correction of complex lower limb deformities by the Ilizarov technique: An audit of complications.

Journal of orthopaedic surgery (Hong Kong)

Theis JC, Simpson H, Kenwright J.
PMID: 12468878
J Orthop Surg (Hong Kong). 2000 Jun;8(1):67-71. doi: 10.1177/230949900000800112.

This is an audit of complications resulting from correction of complex lower limb deformities by the Ilizarov technique. 33 patients (40 bone segments) were reviewed and divided into 4 groups according to the type of surgery carried out: limb...

A Biomechanical Study on Five Unilateral External Fracture Fixation Devices.

Clinical biomechanics (Bristol, Avon)

Gardner T, Evans M, Kenwright J.
PMID: 11415733
Clin Biomech (Bristol, Avon). 1997 Jun;12(4):272. doi: 10.1016/s0268-0033(97)88286-1.

No abstract available.

A biomechanical study on five unilateral external fracture fixation devices.

Clinical biomechanics (Bristol, Avon)

Gardner TN, Evans M, Kenwright J.
PMID: 11415677
Clin Biomech (Bristol, Avon). 1997 Mar;12(2):87-96. doi: 10.1016/s0268-0033(96)00051-4.

OBJECTIVE: This study examines plastic, slip and fatigue failures in external fixator frames. DESIGN: Failure was examined in five commonly used unilateral external fixators using experimental models that simulated both stable and unstable diaphyseal fractures. BACKGROUND: Plastic failure arises...

Responsive fluorinated lanthanide probes for 19F magnetic resonance spectroscopy.

Chemical communications (Cambridge, England)

Senanayake PK, Kenwright AM, Parker D, van der Hoorn SK.
PMID: 17622432
Chem Commun (Camb). 2007 Jul 28;(28):2923-5. doi: 10.1039/b705844f. Epub 2007 Jun 21.

The introduction of CF(3) reporter groups close to the paramagnetic centre in macrocyclic lanthanide(iii) complexes allows faster acquisition of (19)F magnetic resonance data, and amplifies chemical shift non-equivalence, as exemplified by the definition of ratiometric chemical shift probes for...

Changing the local coordination environment in mono- and bi- nuclear lanthanide complexes through "click" chemistry.

Dalton transactions (Cambridge, England : 2003)

Jauregui M, Perry WS, Allain C, Vidler LR, Willis MC, Kenwright AM, Snaith JS, Stasiuk GJ, Lowe MP, Faulkner S.
PMID: 19655058
Dalton Trans. 2009 Aug 28;(32):6283-5. doi: 10.1039/b911588a. Epub 2009 Jun 24.

Alkyne appended lanthanide complexes derived from DO3A undergo copper catalysed cycloaddition reactions with azides to form triazole appended complexes: coordination of one of the triazole nitrogen atoms to the metal centre changes the local coordination environment and the spectroscopic...

Ground testing strategies for verifying the slew rate tolerance of star trackers.

Sensors (Basel, Switzerland)

Dzamba T, Enright J.
PMID: 24577522
Sensors (Basel). 2014 Feb 26;14(3):3939-64. doi: 10.3390/s140303939.

The performance of a star tracker is largely based on the availability of its attitude solution. Several methods exist to assess star tracker availability under both static and dynamic imaging conditions. However, these methods typically make various idealizations that...

Control of movement and fracture stiffness monitoring with external fixation.

Orthopedics

Harris JD, Kenwright J, Evans M, Tanner KE, Gwillim J.
PMID: 24823200
Orthopedics. 1984 Mar 01;7(3):485-90. doi: 10.3928/0147-7447-19840301-15.

External fixation of fractures, unlike other forms of treatment, can provide an accurate and variable control of the mechanical conditions of the fracture. Extremely stable conditions, with correct positioning of the bone screws, will reduce the risk of overloading...

Compressed NMR: Combining compressive sampling and pure shift NMR techniques.

Magnetic resonance in chemistry : MRC

Aguilar JA, Kenwright AM.
PMID: 29278289
Magn Reson Chem. 2018 Oct;56(10):983-992. doi: 10.1002/mrc.4705. Epub 2018 Feb 08.

Historically, the resolution of multidimensional nuclear magnetic resonance (NMR) has been orders of magnitude lower than the intrinsic resolution that NMR spectrometers are capable of producing. The slowness of Nyquist sampling as well as the existence of signals as...

Robust NMR water signal suppression for demanding analytical applications.

The Analyst

Aguilar JA, Kenwright SJ.
PMID: 26580299
Analyst. 2016 Jan 07;141(1):236-42. doi: 10.1039/c5an02121a. Epub 2015 Nov 18.

We describe the design and application of robust, general-purpose water signal suppression pulse sequences well suited to chemometric work. Such pulse sequences need to deal well with pulse mis-calibrations, radiation damping, chemical exchange, and the presence of sample inhomogeneities,...

Showing 1 to 12 of 68 entries