Search Results - "van Vuuren, A."
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Recrystallization as the governing mechanism of ion track formation
Published in Scientific reports (07-03-2019)“…Response of dielectric crystals: MgO, Al 2 O 3 and Y 3 Al 5 O 12 (YAG) to irradiation with 167 MeV Xe ions decelerating in the electronic stopping regime is…”
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2
The best of both worlds: no apparent trade-off between immunity and reproduction in two group-living African mole-rat species
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (14-08-2023)“…Co-operatively breeding mammals often exhibit a female reproductive skew and suppression of the subordinate non-breeding group members. According to…”
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3
Thermal stability and oxidation resistance of ZrSiN nanocomposite and ZrN/SiNx multilayered coatings: A comparative study
Published in Surface & coatings technology (25-12-2017)“…In the present work we comparatively study the thermal stability and oxidation resistance of ~300nm thick Zr-Si-N coatings with either 2D or 3D interface…”
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4
Screening for colorectal cancer: random comparison of guaiac and immunochemical faecal occult blood testing at different cut-off levels
Published in British journal of cancer (07-04-2009)“…Immunochemical faecal occult blood testing (FIT) provides quantitative test results, which allows optimisation of the cut-off value for follow-up colonoscopy…”
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5
The endocrine control of reproductive suppression in an aseasonally breeding social subterranean rodent, the Mahali mole-rat (Cryptomys hottentotus mahali)
Published in Hormones and behavior (01-06-2022)“…Cooperative behaviour, sociality and reproductive suppression in African mole-rats have been extensively studied. Nevertheless, endocrine correlates of some…”
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6
Accuracy of H. pylori fecal antigen test using fecal immunochemical test (FIT)
Published in Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association (01-03-2022)“…Background Gastric and colorectal cancer (CRC) are both one of the most common cancers worldwide. In many countries fecal immunochemical tests (FIT)-based CRC…”
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7
Emotional food cravings predicts poor short‐term weight loss following laparoscopic sleeve gastrectomy
Published in British journal of health psychology (01-09-2018)“…Objectives Laparoscopic sleeve gastrectomy (LSG) incidence has increased worldwide. However, a proportion of patients achieve inadequate weight loss and some…”
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8
Microstructure, mechanical and machining properties of LPS and SPS NbC cemented carbides for face-milling of grey cast iron
Published in International journal of refractory metals & hard materials (01-06-2018)“…The effects of spark plasma sintering (SPS), NbC as a major carbide phase and Ni as a Co binder substitute on the microstructure, mechanical properties and…”
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9
Tolerance of MeN/Si3N4 (Me = Zr, Al, Cr) multilayered systems to radiation erosion
Published in Surface & coatings technology (15-10-2020)“…We report on the radiation tolerance of nanoscaled MeN/Si3N4 (Me = Zr, Al, Cr) multilayered coatings comprising crystalline MeN and amorphous Si3N4 elementary…”
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10
Elucidating key plant growth–promoting (PGPR) traits in Burkholderia sp. Nafp2/4‐1b (=SARCC‐3049) using gnotobiotic assays and whole‐genome‐sequence analysis
Published in Letters in applied microbiology (01-11-2021)“…Burkholderia sp. Nafp2/4‐1b (=SARCC‐3049) is a plant growth–promoting rhizobacteria (PGPR) initially isolated from the rhizosphere of pristine grassland in…”
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11
Nanoindentation testing of Si3N4 irradiated with swift heavy ions
Published in Journal of nuclear materials (01-11-2021)“…We report the results of the nanoindentation tests of silicon nitride irradiated with Ar (46 MeV), Kr (107 MeV), Xe (167 MeV, 220 MeV) and Bi (710 MeV) ions…”
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12
EM study of latent track morphology in TiO2 single crystals
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-07-2016)“…A TEM investigation was conducted into the morphology of 167MeV Xe (2×1010cm−2 to 1014cm−2) and 1GeV Bi ion (2×1010cm−2) induced latent tracks in single…”
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13
Active control of Alfvén eigenmodes by external magnetic perturbations with different spatial spectra
Published in Nuclear fusion (01-07-2024)“…Alfvén eigenmodes have been suppressed and excited in tokamak plasmas by (just) modifying the poloidal spectra of externally applied static magnetic…”
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14
Effect of rumen-protected choline on performance, blood metabolites, and hepatic triacylglycerols of periparturient dairy cattle
Published in Journal of dairy science (01-08-2011)“…The effects of a dietary supplement of rumen-protected choline on feed intake, milk yield, milk composition, blood metabolites, and hepatic triacylglycerol…”
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15
Conceptual Design of a Scintillator-Based Fast-Ion Loss Detector for the Wendelstein 7-X Stellarator
Published in IEEE transactions on plasma science (01-11-2022)“…A conceptual design of a scintillator-based fast-ion loss detector (FILD) has been developed for the Wendelstein 7-X stellarator (W7-X). Simulations using the…”
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16
Strategies for optimizing nitrogen use by ruminants
Published in Animal (Cambridge, England) (01-07-2010)“…The efficiency of N utilization in ruminants is typically low (around 25%) and highly variable (10% to 40%) compared with the higher efficiency of other…”
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Effects of feeding rapeseed oil, soybean oil, or linseed oil on stearoyl-CoA desaturase expression in the mammary gland of dairy cows
Published in Journal of dairy science (01-02-2011)“…Stearoyl-CoA desaturase (SCD) is an important enzyme in the bovine mammary gland, and it introduces a double bond at the Δ(9) location of primarily myristoyl-,…”
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18
Milk odd- and branched-chain fatty acids in relation to the rumen fermentation pattern
Published in Journal of dairy science (01-10-2006)“…The objectives of this study were 1) to determine whether a relationship exists between molar proportions of volatile fatty acids in the rumen and milk odd-and…”
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19
Effects of forage type, forage to concentrate ratio, and crushed linseed supplementation on milk fatty acid profile in lactating dairy cows
Published in Journal of dairy science (01-12-2011)“…The effects of an increasing proportion of crushed linseed (CL) in combination with varying forage type (grass or corn silage) and forage to concentrate ratio…”
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20
Validation of a synthetic fast ion loss detector model for Wendelstein 7-X
Published in Nuclear fusion (01-09-2024)“…We present the first validated synthetic diagnostic for fast ion loss detectors (FILDs) in the Wendelstein 7-X (W7-X) stellarator. This model has been…”
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