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Showing 1 to 12 of 104 entries
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An Optimized Transient Dual Luciferase Assay for Quantifying MicroRNA Directed Repression of Targeted Sequences.

Frontiers in plant science

Moyle RL, Carvalhais LC, Pretorius LS, Nowak E, Subramaniam G, Dalton-Morgan J, Schenk PM.
PMID: 28979287
Front Plant Sci. 2017 Sep 20;8:1631. doi: 10.3389/fpls.2017.01631. eCollection 2017.

Studies investigating the action of small RNAs on computationally predicted target genes require some form of experimental validation. Classical molecular methods of validating microRNA action on target genes are laborious, while approaches that tag predicted target sequences to qualitative...

An irradiated brown-dwarf companion to an accreting white dwarf.

Nature

Santisteban JV, Knigge C, Littlefair SP, Breton RP, Dhillon VS, Gänsicke BT, Marsh TR, Pretorius ML, Southworth J, Hauschildt PH.
PMID: 27193683
Nature. 2016 May 19;533(7603):366-8. doi: 10.1038/nature17952.

Interacting compact binary systems provide a natural laboratory in which to study irradiated substellar objects. As the mass-losing secondary (donor) in these systems makes a transition from the stellar to the substellar regime, it is also irradiated by the...

Polarization of membrane associated proteins in the choroid plexus epithelium from normal and slc4a10 knockout mice.

Frontiers in physiology

Christensen IB, Gyldenholm T, Damkier HH, Praetorius J.
PMID: 24348423
Front Physiol. 2013 Nov 27;4:344. doi: 10.3389/fphys.2013.00344. eCollection 2013.

The choroid plexus epithelium (CPE) has served as a model-epithelium for cell polarization and transport studies and plays a crucial role for cerebrospinal fluid (CSF) production. The normal luminal membrane expression of Na(+),K(+)-ATPase, aquaporin-1 and Na(+)/H(+) exchanger 1 in...

Effect of Non-Alignment/Alignment of Attenuation Map Without/With Emission Motion Correction in Cardiac SPECT/CT.

IEEE transactions on nuclear science

Dey J, Segars WP, Pretorius PH, King MA.
PMID: 26543244
IEEE Trans Nucl Sci. 2015 Aug;62(4):1813-1824. doi: 10.1109/TNS.2015.2446895. Epub 2015 Jul 23.

PURPOSE: We investigate the differences without/with respiratory motion correction in apparent imaging agent localization induced in reconstructed emission images when the attenuation maps used for attenuation correction (from CT) are misaligned with the patient anatomy during emission imaging due...

Magnetic resonance imaging: the basic physical and clinical concepts. Part I.

Radiologic technology

Nelson TR, Ritenour ER, Davis K, Pretorius DH.
PMID: 4034951
Radiol Technol. 1985 Jul-Aug;56(6):410-5.

Noninvasive evaluation of the human body has become an essential tool in the diagnosis of disease processes. Recent developments in nuclear magnetic resonance imaging (MRI) have extended a powerful chemical analytic technique to the medical imaging field. This article...

Flavor-active esters: adding fruitiness to beer.

Journal of bioscience and bioengineering

Verstrepen KJ, Derdelinckx G, Dufour JP, Winderickx J, Thevelein JM, Pretorius IS, Delvaux FR.
PMID: 16233495
J Biosci Bioeng. 2003;96(2):110-8.

As they are responsible for the fruity character of fermented beverages, volatile esters constitute an important group of aromatic compounds in beer. In modern high-gravity fermentations, which are performed in tall cylindroconical vessels, the beer ester balance is often...

Factors Influencing Lesion Detection in SPECT Lung Images.

IEEE Nuclear Science Symposium conference record. Nuclear Science Symposium

Gifford HC, Zheng XM, Licho R, Pretorius PH, Schneider PB, Simkin PH, King MA.
PMID: 19169428
IEEE Nucl Sci Symp Conf Rec (1997). 2006;5:2662-2666. doi: 10.1109/NSSMIC.2006.356429.

An earlier localization ROC (LROC) study that found attenuation correction (AC) degraded the detection of solitary pulmonary nodules (SPN) in hybrid SPECT lung images had several potential shortcomings related to the simulation methods. We sought to address these issues...

Prevalence and clinical characteristics of obsessive-compulsive disorder and obsessive compulsive symptoms in Afrikaner schizophrenia and schizoaffective disorder patients.

African journal of psychiatry

Seedat F, Roos JL, Pretorius HW, Karayiorgou M, Nel B.
PMID: 19588030
Afr J Psychiatry (Johannesbg). 2007 Nov;10(4):219-24. doi: 10.4314/ajpsy.v10i4.30259.

OBJECTIVE: There is evidence of variation in the prevalence of co-morbid obsessive-compulsive disorder in schizophrenia amongst ethnic groups. This study evaluated the lifetime prevalence and clinical characteristics of obsessive-compulsive disorder (OCD)/ obsessive-compulsive symptoms (OCS) in Afrikaner schizophrenic and schizoaffective...

Bevacizumab in neurofibromatosis type 2 (NF2) related vestibular schwannomas: a nationally coordinated approach to delivery and prospective evaluation.

Neuro-oncology practice

Morris KA, Golding JF, Axon PR, Afridi S, Blesing C, Ferner RE, Halliday D, Jena R, Pretorius PM, Evans DG, McCabe MG, Parry A.
PMID: 29692918
Neurooncol Pract. 2016 Dec;3(4):281-289. doi: 10.1093/nop/npv065. Epub 2016 Jan 07.

BACKGROUND: NF2 patients develop multiple nervous system tumors including bilateral vestibular schwannomas (VS). The tumors and their surgical treatment are associated with deafness, neurological disability, and mortality.Medical treatment with bevacizumab has been reported to reduce VS growth and to...

Apolipoprotein E ε-4 as a genetic determinant of Alzheimer's disease heterogeneity.

Degenerative neurological and neuromuscular disease

Kotze MJ, Lückhoff HK, Brand T, Pretorius J, van Rensburg SJ.
PMID: 32669910
Degener Neurol Neuromuscul Dis. 2015 Jun 12;5:9-18. doi: 10.2147/DNND.S41721. eCollection 2015.

Alzheimer's disease (AD) displays a high degree of heterogeneity in terms of its etiology, presentation, prognosis, and treatment response. This can partly be explained by high-penetrance mutations in the amyloid precursor protein, presenilin 1 and presenilin 2 genes causing...

Oesophagitis dissecans superficialis: role of oesophageal biopsies in early diagnosis.

ANZ journal of surgery

Ng J, Sabat N, Pretorius CF.
PMID: 33830608
ANZ J Surg. 2021 Dec;91(12):2849-2851. doi: 10.1111/ans.16855. Epub 2021 Apr 08.

No abstract available.

Frequency response of EEG recordings from BIS and Entropy devices.

Journal of clinical monitoring and computing

Schuller PJ, Pretorius JPG, Newbery KB.
PMID: 33860876
J Clin Monit Comput. 2021 Apr 16; doi: 10.1007/s10877-021-00694-0. Epub 2021 Apr 16.

The BIS and Entropy systems are used as indicators of anaesthetic drug effect, and can also record EEGs in digital form. A number of studies have used such recordings for analysis, even though information about bandwidth and fidelity has...

Showing 1 to 12 of 104 entries