Structural and Dynamical Effects of the CaO/SrO Substitution in Bioactive Glasses.

Silicate glasses containing silicon, sodium, phosphorous, and calcium have the ability to promote bone regeneration and biodegrade as new tissue is generated. Recently, it has been suggested that adding SrO can benefit tissue growth and silicate glass dissolution. Motivated by these recent developments, the effect of SrO/CaO-CaO/SrO substitution on the local structure and dynamics of Si-Na-P-Ca-O oxide glasses has been studied in this work.

Structure of TeO Glass and Melt by Reverse Monte Carlo Simulations of High-Energy X-Ray Diffraction Data Sets.

The short-range and medium-range structures of TeO glass and melt are elucidated by Reverse Monte Carlo (RMC) simulations of High-Energy X-ray Diffraction data sets published in an earlier study by Alderman et al. ((1) (2020)427-431). The RMC analysis reveals that there exists a wide range of Te-O bond lengths in both TeO glass and melt short-range structures.

Referral and Management of Pretibial Lacerations in Two District General Hospitals.

Background Pretibial lacerations are common injuries that have a significant yet underestimated association with morbidity and mortality. Although they may occur in any age group, they are commonly followed by an often relatively minor trauma in elderly and frail patients. The six-month mortality among such patients may be more than double the age group average.

Comparative study of the short-range structure of α-VO, α-TeO and xVO-(100 - x)TeO glasses using X-ray diffraction, Rietveld analysis and reverse Monte Carlo simulations.

Vanadium-tellurite glasses, tetragonal TeO and orthorhombic VO crystalline samples were characterized for their atomic structure properties by synchrotron X-ray diffraction, pair distribution function analysis, reverse Monte Carlo simulations (RMC) and Rietveld analysis. The pair correlation function, G(r), of VO shows the first peak at 1.61 Å.

Should the 'normal' and 'ideal' nipple position in a male influence the surgeon when planning severe gynaecomastia correction?

Background: The ideal nipple areolar complex (NAC) position of the male chest following gynaecomastia surgery is well documented; however, with increased development of the chest muscles, the NAC placement can change, leading to the medial displacement of the nipple giving a poor aesthetic outcome. Therefore, we believe that these measurements need to be applied to the patients' build and take into consideration the future fitness goals of the patients.

Method: We have analysed the photographs of three groups of men: super athletes, athletes and individuals with severe gynaecomastia.

Structure of lithium tellurite and vanadium lithium tellurite glasses by high-energy X-ray and neutron diffraction.

xLiO-(100 - x)TeO (x = 20 and 25 mol%) and xVO-(25 - x)LiO-75TeO (x = 1, 2, 3, 4 and 5 mol%) glasses were prepared by melt-quenching and their thermal and structural properties were characterized by differential scanning calorimetry, Raman spectroscopy, high-energy X-ray diffraction and neutron diffraction and reverse Monte Carlo (RMC) simulations. The glass transition temperature increases steadily with an increase in VO mol% in lithium tellurite glasses due to an increase in the average single bond energy of the glass network. The X-ray and neutron diffraction structure factors were modelled by RMC technique and the Te-O distributions show the first peak in the range 1.

high pressure neutron diffraction and Raman spectroscopy of 20BaO-80TeO glass.

The short-range structure of 20BaO-80TeO glass was studied by high pressure neutron diffraction and high pressure Raman spectroscopy. Neutron diffraction measurements were performed at the PEARL instrument of the ISIS spallation neutron source up to a maximum pressure of 9.0 ± 0.

Structural and optical characterization of Er-doped CaMoO down-converting phosphors.

xErO-(1-x)CaMoO (x = 1, 3, 5, 7 and 10 mol%) nanoparticles were synthesized by solid-state sintering at 800°C. X-ray diffraction studies confirmed the tetragonal crystal structure of CaMoO, while the doped samples show the co-existence of cubic ErO and tetragonal CaMoO and rule out the replacement of Ca by Er in the structure. The crystal unit-cell dimensions, phase concentration and atomic position coordinates were determined by Rietveld refinement.

Structure of strontium tellurite glass, anti-glass and crystalline phases by high-energy X-ray diffraction, reverse Monte Carlo and Rietveld analysis.

The structures of xSrO-(100 - x)TeO (x = 5, 7.5, 8.5 and 10 mol.

Structure of bismuth tellurite and bismuth niobium tellurite glasses and BiTeO anti-glass by high energy X-ray diffraction.

Glass and anti-glass samples of bismuth tellurite (BiO-(100 - )TeO) and bismuth niobium tellurite (BiO-NbO-(100 - 2)TeO) systems were prepared by melt-quenching. The bismuth tellurite system forms glasses at low BiO concentration of 3 to 7 mol%. At 20 mol% BiO, the glass forming ability of the BiO-TeO system decreases drastically and the anti-glass phase of monoclinic BiTeO is produced.

Peritoneal blastomycosis: a hidden mystery unfolds itself.

Blastomycosis is a disease caused by the fungus Blastomyces dermatitidis. Pulmonary blastomycosis is the most common form of blastomycosis. Disseminated blastomycosis is the fulminant form of the disease, with rare reports of peritoneal cavity involvement.

An idiosyncratic reaction to clopidogrel.

Clopidogrel is an irreversible antiplatelet agent belonging to the thienopyridine group that acts to antagonize the adenosine diphosphate P2Y12 receptor on platelets. It thus inhibits the activation of platelet glycoprotein GPIIb/IIIa complex, which is essential for fibrinogen—platelet complex formation. Clopidogrel has widely replaced ticlopidine because of a much better clinical safety profile.

Avoiding unfavourable outcomes in liposuction.

The origin of liposuction can be traced to an adverse event by Dujarrier in 1921 when he used a uterine curette to remove fat from the knees of a ballerina ending in an amputation secondary to damage of the femoral artery. The history of liposuction since then has been one of avoiding complications and optimising outcome. After this adverse event, liposuction was abandoned until the 1960's when Schrudde revived the practice using small stab incisions and sharp curettage with the secondary suction to aspirate the freed tissue.

Crystallization of bismuth borate glasses.

Bismuth borate glasses with Bi(2)O(3) concentration of 20-66 mol% were prepared by melt quenching and devitrified by heat treatment above their glass transition temperatures. All glasses show a strong tendency towards crystallization on annealing that increases with Bi(2)O(3) concentration. The crystalline phases formed on devitrification were characterized by FTIR absorption spectroscopy and DSC measurements.