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Now showing items 4841-4860 of 7987
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Novel additive for sperm cryopreservation media: Holotheria parva coelomic cavity extract protects human spermatozoa against oxidative stress—A pilot study
(Wiley-Blackwell, 2020)Cryopreservation is the most effective method for preserving semen for a long period of time. However, during the freeze–thaw process, production of reactive oxygen species (ROS) leads to a steep reduction in sperm fertility ... -
A novel approach integrating ranking functions discovery, optimization and infernce to improve retrieval performance
(Medwell Journals, 2010)The significant roles play by ranking function in the performance and success of Information Retrieval (IR) systems and search engines cannot be underestimated. Diverse ranking functions are available in IR literature. ... -
A novel approach to quantify metrics of upwelling intensity, frequency, and duration
(Public Library of Science, 2021)The importance of coastal upwelling systems is widely recognized. However, several aspects of the current and future behaviors of these systems remain uncertain. Fluctuations in temperature because of anthropogenic climate ... -
A novel cell-based binding assay system reconstituting interaction between SARS-CoV S protein and its cellular receptor
(Elsevier, 2005)Severe acute respiratory syndrome (SARS), a life-threatening disease, is caused by the newly identified virus SARS coronavirus (SARSCoV). In order to study the spike (S) protein of this highly contagious virus, we established ... -
Novel coronavirus and regular physical activity involvement: Opinion Read
(AOSIS, 2020)The novel coronavirus (NCOVID-19) has quickly become a public health concern globally and needs urgent attention. While there is no current evidence of vaccines and specific drugs to prevent and treat the ailments emanating ... -
A Novel Dental Implant Design Concept: Radiological Bone Level Presentation of the CoAxis Dental Implant after 1 Year, And 4 Years of Prosthodontic Loading
(, 2017)Implant supported rehabilitations are routinely successful and provide patients with comfort and function levels which may surpass that of conventional treatment options. Patient-reported outcomes have revealed that ... -
A novel document ranking algorithm that supports mobile healthcare information access effectiveness
(Academic Journals Inc., 2011)This study presented DROPT; an acronym for Document ranking Optmization algorithm approach, a new idea for the effectiveness of meaningful retrieval results from the information source. Proposed method extracted the frequency ... -
A Novel Epidemic Model for the Interference Spread in the Internet of Things
(MDPI, 2022): Due to the multi-technology advancements, internet of things (IoT) applications are in high demand to create smarter environments. Smart objects communicate by exchanging many messages, and this creates interference ... -
Novel heterojunction superstrate Cu2ZnInS4−x (CZIS) thin film kesterite solar cell with vertical arrays of hexagonal ZnO nanorods window layer
(Elsevier, 2022-11-24)Quaternary Cu2ZnInS4−x (CZIS) thin films have been prepared by a facile and cheap sol-gel spin coating technique. Low-temperature solution-based methods were used to fabricate a heterojunction solar cell in the superstrate ... -
A novel immersive anatomy education system (anat_hub): Redefining blended learning for the musculoskeletal system
(MDPI, 2022)Immersive technologies are redefining ways of interacting with 3D objects and their environments. Moreover, efforts in blended learning have presented several advantages of incorporating educational technology into the ... -
A novel nano therapeutic using convalescent plasma derived exosomal (CPExo) for Covid-19: A combined hyperactive immune modulation and diagnostics
(Elsevier, 2021)Extracellular vesicles like exosomes are important therapeutic tactics for treating COVID -19. By utilizing convalescent plasma derived exosomes (CPExo) from COVID-19 recovered persistence could accelerate the treatment ... -
Novel phages of healthy skin metaviromes from South Africa
(Nature Publishing Group, 2018)Recent skin metagenomic studies have investigated the harbored viral diversity and its possible influence on healthy skin microbial populations, and tried to establish global patterns of skin-phage evolution. However, ... -
A Novel Severe Acute Respiratory Syndrome Coronavirus Protein, U274, is transported to the Cell Surface and undergoes Endocytosis
(American Society for Microbiology, 2004)The severe acute respiratory syndrome coronavirus (SARS-CoV) genome contains open reading frames (ORFs) that encode for several genes that are homologous to proteins found in all known coronaviruses. These are the replicase ... -
Novel South African rare actinomycete kribbella speibonae Strain SK5: A prolific producer of hydroxamate siderophores including new dehydroxylated congeners
(MDPI, 2020)In this paper, we report on the chemistry of the rare South African Actinomycete Kribbella speibonae strain SK5, a prolific producer of hydroxamate siderophores and their congeners. Two new analogues, dehydroxylated ... -
Novel zeolite Na-X synthesized from fly ash as a heterogeneous catalyst in biodiesel production
(Elsevier, 2012)Several studies have been carried out on the production of biodiesel using different heterogeneous catalysts but this study has been able to demonstrate the prospect of utilizing South African class F fly ash as a raw ... -
Now into big strides: report on statutory status for the South African Library and Information Services sector
(Library & Information Association of South Africa, 2012)The road to acquiring statutory status for the Library and Information Services (LIS) sector in South Africa has been traversed numerous times over the last sixty to seventy years. In more recent years, there has been ... -
Nowhere to hide- big brother is watching you: non-communicative personal cellphone information and the right to privacy.
(Nelson R Mandela School of Law, 2010)By utilising the latest cellphone technology, non-communicative personal information, such as, the number that is dialled, the time the call is made, the movement and location of both the caller and the recipient of a call, ... -
NPA Accountability, trust and public interest
(Dullah Omar Institute, 2019)This discussion document deals with three key concepts associated with the National Prosecuting Authority (NPA) and its relation to the public, namely accountability, public interest and trust. It is presented that for the ... -
A NSFD discretization of two-dimensional singularly perturbed semilinear convection-diffusion problems
(Frontiers Media, 2022)Despite the availability of an abundant literature on singularly perturbed problems, interest toward non-linear problems has been limited. In particular, parameter-uniform methods for singularly perturbed semilinear ... -
A NSFD method for the singularly perturbed Burgers-Huxley equation
(Frontiers Media, 2023)This article focuses on a numerical solution of the singularly perturbed Burgers-Huxley equation. The simultaneous presence of a singular perturbation parameter and the nonlinearity raise the challenge of finding a reliable ...