Cranioplasty is an operation that aims to repair a defect in the skull. Indications commonly include Traumatic Brain Injury (TBI), tumours, and infections. It carries a high rate of postoperative morbidity.
View Article and Find Full Text PDFBoron-hydrogen compounds are of increasing importance as electrolytes in solid state batteries, for hydrogen storage and possibly as high temperature super conductors. Solvent based methods are of increasing importance to obtain pure products, for purification of materials and also for the synthesis of novel compounds. In this context, the solubility information of several classes of metal-boron-hydrogen compounds such as borohydrides, -decahydridodecaborates, -dodecahydridododecaborates, - and -hydridoborates in typical solvents is vital.
View Article and Find Full Text PDFThis study aimed to investigate the metabolic changes in the kidneys in a murine adenine-diet model of chronic kidney disease (CKD). Kidney fibrosis is the common pathological manifestation across CKD aetiologies. Sustained inflammation and fibrosis cause changes in preferred energy metabolic pathways in the cells of the kidney.
View Article and Find Full Text PDFWith the increasing amount of renewable energy produced, many governments and industries are pushing for the installation of battery energy storage system (BESS) solutions. Thermal batteries are systems that store heat made from various energy sources, and can be used to produce electricity upon demand. These systems are easily scalable and can be installed in cities, homes and remote locations.
View Article and Find Full Text PDFThe matter of raising and educating deaf children has been caught up in percepts of development that are persistently inaccurate and at odds with scientific research. These percepts have negatively impacted the health and quality of life of deaf children and deaf people in general. The all too prevalent advice is to raise the child strictly orally and wait to see what happens.
View Article and Find Full Text PDFIn this study, a novel method for producing different alkali metal hydrides (NaH, KH, RbH, and CsH) from their corresponding metal hydroxides (NaOH, KOH, RbOH, and CsOH) is presented. For the production of NaH from NaOH, a variety of metallic reducing agents (Mg, Al, Si, CaH, Cr, Mn, and Sr) were investigated. The reactions took place in an autoclave reactor with paraffin oil at 250 °C and 14 bar of H pressure.
View Article and Find Full Text PDFHydrogen storage by cryoadsorption on porous materials has the advantages of low material cost, safety, fast kinetics, and high cyclic stability. The further development of this technology requires reliable data on the H uptake of the adsorbents, however, even for activated carbons the values between different laboratories show sometimes large discrepancies. So far no reference material for hydrogen cryoadsorption is available.
View Article and Find Full Text PDFMetal substituted dodecaborate anions can be coupled with alkali metal cations to have great potential as solid-state ion conductors for battery applications. A tin atom can replace a B-H unit within an unsubstituted dodecaborate cage to produce a stable, polar divalent anion. The chemical and structural change in forming a stannaborate results in a modified crystal structure of respective group 1 metal salts, and as a result, improves the material's ion conductivity.
View Article and Find Full Text PDFProg Nucl Magn Reson Spectrosc
June 2023
Continuous geomagnetic records of the strength and direction of the Earth's field at the surface extend back to the 1840s. Over the past two centuries, eight observatories have existed in the United Kingdom, which measured the daily field variations using light-sensitive photographic paper to produce analogue magnetograms. Around 350,000 magnetograms have been digitally photographed at high resolution.
View Article and Find Full Text PDFRenewable energy requires cost effective and reliable storage to compete with fossil fuels. This study introduces a new reactive carbonate composite (RCC) where FeO is used to thermodynamically destabilise BaCO and reduce its decomposition temperature from 1400 °C to 850 °C, which is more suitable for thermal energy storage applications. FeO is consumed on heating to form BaFeO, which is a stable Fe source for promoting reversible CO reactions.
View Article and Find Full Text PDFUnrolled algorithms are a promising approach for reconstruction of CT images in challenging scenarios, such as low-dose, sparse-view and limited-angle imaging. In an unrolled algorithm, a fixed number of iterations of a reconstruction method are unrolled into multiple layers of a neural network, and interspersed with trainable layers. The entire network is then trained end-to-end in a supervised fashion, to learn an appropriate regularizer from training data.
View Article and Find Full Text PDFspecies (prickly pear) were deliberately introduced to many countries around the world for fruit, cochineal dye production, living fencing or as ornamentals. They are now some of the world's most significant weeds, particularly in regions with warm and or dry climates, as they pose threats to economic and environmental assets. In addition, they can cause considerable health issues for humans and animals.
View Article and Find Full Text PDFInvasive plants are considered to be one of the biggest threats to environmental assets, and once established, they can be immensely difficult to control. Nassella trichotoma is an aggressive, perennial grass species, and is considered to be one of the most economically damaging weeds to grazing systems due to its unpalatability, as well as being one of the leading causes of biodiversity loss in grassland communities. This species produces high density seedbanks that rapidly respond to disturbance events.
View Article and Find Full Text PDFBilingual bimodalism is a great benefit to deaf children at home and in schooling. Deaf signing children perform better overall than non-signing deaf children, regardless of whether they use a cochlear implant. Raising a deaf child in a speech-only environment can carry cognitive and psycho-social risks that may have lifelong adverse effects.
View Article and Find Full Text PDFThe ability to produce highly dense and persistent seedbanks is a major contributor to the successful widespread establishment of invasive plants. This study seeks to identify seed persistence and seedbank longevity for the invasive tussock grass (Nees.) Hack.
View Article and Find Full Text PDFSolid-state sodium batteries have attracted great attention owing to their improved safety, high energy density, large abundance and low cost of sodium compared to the current Li-ion batteries. Sodium-boranes have been studied as potential solid-state electrolytes and the search for new materials is necessary for future battery applications. Here, a facile and cost-effective solution-based synthesis of NaBH and Na(BH)(BH) is demonstrated.
View Article and Find Full Text PDFObjectives: To identify risk factors for poor outcome one year post-mild traumatic brain injury (mTBI).
Design: This study was a prospective observational study using consecutive adult hospital admissions with mTBI.
Subjects: A total of 869 consecutive mTBI patients were enrolled in this study.
Coagulopathies common to patients with diabetes and chronic kidney disease (CKD) are not fully understood. Fibrin deposits in the kidney suggest the local presence of clotting factors including tissue factor (TF). In this study, we investigated the effect of glucose availability on the synthesis of TF by cultured human kidney tubular epithelial cells (HTECs) in response to activation of protease-activated receptor 2 (PAR2).
View Article and Find Full Text PDFObjectives: Pain is a known complication in persons with hemophilia (PWH) as a result of muscle and joint bleeding. Little is known regarding national Hemophilia Treatment Center (HTC) practice patterns related to pain management. The aim of this study was to: 1) Describe pain management practice patterns of HTC providers, 2) Identify gaps and areas of alignment with the CDC pain guidelines, and 3) Address educational opportunities for pain management.
View Article and Find Full Text PDFTwo species, and , have significantly reduced the carrying capacity of Australia's south-east rangelands and agricultural systems. It is, therefore, of considerable concern that four other species have also become naturalised in Australia, and are noted to share many of the ecological features of the two currently widespread species. This paper reviews the distribution, ecology, and impacts of all six species, which are currently naturalised in Australia, and makes recommendations toward a blanket control program.
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