https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 https://vital.seals.ac.za/vital/access/manager/Repository/vital:52002 Wed 19 Oct 2022 14:21:27 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:51102 Wed 18 May 2022 11:56:56 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:43450 Wed 14 Jul 2021 13:07:14 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:43451 Wed 14 Jul 2021 11:09:01 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46308 Wed 09 Feb 2022 11:29:10 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46310 38 weeks) regardless of the APGAR score. Placentas were submitted for histopathology and used for detection of Ureaplasmaspp. by culture (U9 broth, MycoDuo kits;BioRad) and PCR (DNA was extracted from culture and homogenized placental tissue). Antibiotic susceptibility profiles of Ureaplasmaspp isolates were determined by the SIR Antibiogram kit (BioRad) and microbroth dilution method. Molecular mechanisms of resistance were ascertained by PCR amplification of target genes. Placentas were sent to National Health Laboratory Servicesfor routine histopathology. Next generation sequencing was performed on 16S rRNA amplicons from placental DNA for analysis of microbial diversity.]]> Wed 09 Feb 2022 10:54:08 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46302 Wed 09 Feb 2022 10:12:11 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:62356 Wed 08 Mar 2023 15:38:38 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46309 Tue 24 May 2022 13:48:37 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45689 Tue 19 Jul 2022 17:52:06 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46305 Tue 08 Feb 2022 13:55:42 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46307 Tue 08 Feb 2022 12:31:34 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46252 Tue 08 Feb 2022 11:52:42 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46284 Tue 08 Feb 2022 10:32:34 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:43883 Tue 03 Aug 2021 10:18:39 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46025 3000 plastic particles/day), with the relatively natural Sundays River to showing minimal evidence of river macroplastic (<100 plastic particles/day). The types of plastic were noted using the RIMMEL app (premier African implementation), enabling proportional comparison of different plastic litter types to be completed.]]> Tue 01 Feb 2022 14:37:46 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46023 Tue 01 Feb 2022 13:48:39 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46026 Tue 01 Feb 2022 13:06:45 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46021 RhMo-AA/Al2O3 (73%) > RhMo-CA/Al2O3 (72%) > RhMo-EDTA/Al2O3 (68%). This could be that the addition of chelating ligand complexed both metallic species retarding sulfidation of both metals, hence lowering the HDS activity. Studies show that it is possible for the citric acid to complex with both promoter and an active metal (Mo), and this might result in the formation of molybdenum dimers, trimers and tetramers which are difficult to sulfide. XPS analysis showed that unchelated catalyst have more MoS2 phases of 63%, hence higher dispersion than the chelated catalyst, this could be the reason for high activity in RhMo/Al2O3 (88%) catalyst.]]> Tue 01 Feb 2022 12:45:40 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45984 Tue 01 Feb 2022 12:10:53 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46306 Thu 20 Oct 2022 12:38:48 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45680 Thu 20 Jan 2022 19:03:38 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46304 Thu 10 Feb 2022 19:55:02 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46311 Thu 10 Feb 2022 18:49:33 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46312 Thu 10 Feb 2022 11:07:35 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:62423 130%. This assessment ultimately provides a platform for regional governance development at the basin scale and Earth Stewardship science in East Africa. These changes require transdisciplinary action from researchers to civil society. The AAC provides the foundation for understanding the dynamics of the systems that support life across broader spatial and temporal resolutions in Africa, highlighting the need for future generations to build socio-ecological resilience to anticipate challenges such as biodiversity loss posed by climate change and excessive land cover change.]]> Thu 09 Mar 2023 15:39:54 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:62418 Thu 09 Mar 2023 15:18:58 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:51989 Thu 09 Jun 2022 16:57:43 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:51988 40) individually, using logistic regression. A strong linear relationship between dNBR and stem fire severity (r2 = 0.69, p < 0.001) confirmed the accuracy of dNBR as a measure of fire severity in Afrotemperate forest. In the fire investigated, 4 628 ha of Afrotemperate forest burnt of which 67% burnt at low severity, 21% at medium severity and 12% at high severity. The dNBR values associated with fire severity categories were comparable between Afrotemperate and North American forests, suggesting that dNBR values are relatively standard across forest types. Information on the distribution of fire severity facilitates investigation of further questions regarding past and future fire regimes and the fire ecology of Afrotemperate forest. The post-fire survival rate of Afrotemperate forest trees was 45% which is comparable to that in coniferous forests of North America but lower than that in temperate forests of Australia and Portugal and the neighbouring dune thicket which shares several species with Afrotemperate forest. Fire severity had a significant negative effect on survival and tree size a significant positive effect. Total variance explained by the model (for species collectively) was 40.8%, of which fire severity and tree size combined explained 13.2%, and species as random factor, 27.6%. Respective tree species showed differential survival responses – four species showed high survival (> 60% of individuals), while five species showed low survival (< 40%). This study was the first post-fire assessment of the resprouting ability of Afrotemperate forest trees and a third of the trees surveyed (for species collectively) resprouted from the stem. This suggested that resprouting from the stem is a primary means of post-fire recovery in Afrotemperate forest trees, in contrast with previous assertions that several common canopy species, including Podocarpus latifolius, Afrocarpus falcatus, Scutia myrtina, Scolopia mundii and Rapanea melanophloeos, are unable to resprout. Varying resilience to fire among species supports previous suggestions that fire affects species’ composition and diversity in these forests and calls for careful management of fire regimes in the face of global change.]]> Thu 09 Jun 2022 16:02:39 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46022 Thu 03 Feb 2022 13:55:30 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46027 Thu 03 Feb 2022 11:49:30 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45691 Mon 31 Jan 2022 13:44:08 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:46517 Mon 14 Feb 2022 10:36:11 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:52017 Mon 13 Jun 2022 12:24:52 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45690 Mon 11 Jul 2022 11:36:49 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45688 Fri 28 Jan 2022 11:06:50 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45683 Fri 28 Jan 2022 10:32:56 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45682 Fri 28 Jan 2022 09:32:18 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45686 Fri 28 Jan 2022 09:28:09 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45685 Fri 28 Jan 2022 09:25:32 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45684 Fri 28 Jan 2022 09:22:49 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:43435 Fri 16 Jul 2021 12:59:36 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:44026 Fri 13 Aug 2021 10:25:31 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45141 Sr>Ca. Effects of partial dissolution of and structural changes to the alumina particles at high pH cannot be excluded. In order to better understanding the different effects, it was attempted to measure the zeta potential of the slurries at different pH values. This resulted in highly positive zeta potential values over the complete pH range, without the observationof an iso-electric point. This does not fit to the observed changes in rheology and contrasts withliterature data. One explanation would be that the measurement system used is unsuitable to yield correct zeta potential values for the materials under investigation.]]> Fri 12 Nov 2021 15:48:44 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45132 Fri 12 Nov 2021 09:30:45 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:45135 Fri 12 Nov 2021 07:52:44 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:52000 Fri 10 Jun 2022 12:04:20 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:51996 Fri 10 Jun 2022 11:50:14 SAST ]]> https://vital.seals.ac.za/vital/access/manager/Repository/vital:51993 Fri 10 Jun 2022 10:33:13 SAST ]]>