In the present study two series of isotactic polypropylene (iPP)/SiO2 nanocomposites containing 1, 2.5, 5, 7.5, and 10 wt % SiO2 nanoparticles were prepared by melt‐mixing on a twin‐screw corotating extruder. In the first series untreated fumed silica nanoparticles were used, whereas in the second nanoparticles were surface‐treated with dimethyldichlorosilane. In both cases, the average size of the primary nanoparticles was 12 nm. Tensile and impact strength were found to increase and to be affected mainly by the type and content of silica nanoparticles. A maximum was observed, corresponding to samples containing 2.5 wt % SiO2. These findings are discussed in light of the SEM and TEM observations. By increasing the amount of nanoparticles, large aggregates of fumed silica could be formed, which may explain the reduction of mechanical properties with higher concentrations of SiO2. However, it was found that surface‐treated nanoparticles produced larger aggregates than did those derived from untreated nanoparticles, despite the increased adhesion of the iPP matrix, as was postulated from yield strength. This behavior negatively affected mechanical properties. In addition, an effort was made to determine if toughening theories, mainly the critical interparticle distance for rubber toughening or composites, also might be applicable in nanocomposites. From DSC measurements it was demonstrated that silica nanoparticles acted as effective nucleating agents, increasing the crystallization rate and the degree of crystallinity of iPP. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 2684–2696, 2006

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Patient and referral delays were the longest time segments influencing timely diagnosis. Differences in delays were observed across age groups, cancer types and geographical regions. There was a significant trend for decreasing delays to diagnosis and treatment.

Introduction: Orally administered semaglutide is the first glucagon-like peptide 1 receptor agonist (GLP-1 RA) for oral administration. As head-to-head trials assessing orally administered semaglutide as an add-on to 1-2 oral antidiabetic drugs (OADs) vs other GLP-1 RAs are limited, a network meta-analysis (NMA) was performed to assess the relative efficacy and safety of orally administered semaglutide 14 mg once-daily (QD) vs injectable GLP-1 RAs in Enhanced Digital Features To view enhanced digital features for this article go to https://doi.org/10.6084/ m9.figshare.9901934.

BACKGROUND: Radiotherapy is the current standard of care for patients with localized squamous cell cancer of the anal canal. The goal of the current study was to evaluate long‐term quality of life (QoL) in patients after this treatment. METHODS: Questionnaires were mailed to 80 patients treated with definitive radiotherapy, with or without concurrent chemotherapy, for anal cancer, with a minimum 2‐year interval after the completion of radiotherapy. The questionnaire included the Functional Assessment of Cancer Therapy‐Colorectal (FACT‐C), the Medical Outcomes Study (MOS) Sexual Problems Scale, and questions regarding demographic characteristics and comorbidities. RESULTS: A total of 32 (40%) patients completed the questionnaire. There were no significant differences noted with regard to clinical and demographic characteristics between the survey responders and nonresponders. Among the 32 responders, the median dose of radiotherapy was 55 Grays (Gy), and 97% had received concurrent chemotherapy. The median interval between radiotherapy and survey participation was 5 years (range, 3‐13 years). The median total FACT‐C score was 108 (range, 47‐128), of a maximum (best possible) score of 136. Patients who reported depression or anxiety and younger patients were found to have significantly lower total FACT‐C scores. The median scores on the Physical, Social/Family, Emotional, Functional, and Colorectal subscales of the FACT‐C were 20, 23, 21, 22, and 21, respectively, of maximum (best possible) scores of 28, 28, 24, 28, and 28, respectively. The median score on the MOS Sexual Problems Scale was 67 (range, 0‐100), of a maximum (worst possible) score of 100. CONCLUSIONS: Patients treated with radiotherapy for anal cancer reported acceptable overall QoL scores, but poor sexual function scores. Investigations are warranted into more modern radiation techniques that could potentially reduce late toxicity from radiotherapy. Cancer 2010. © 2010 American Cancer Society.