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This report is on the synthesis by electrospinning of multiferroic core-shell nanofibers of strontium hexaferrite and lead zirconate titanate or barium titanate and studies on magneto-electric (ME) coupling. Fibers with well-defined core–shell structures showed the order parameters in agreement with values for nanostructures. The strength of ME coupling measured by the magnetic field-induced polarization showed the fractional change in the remnant polarization as high as 21%. The ME voltage coefficient in H-assembled films showed the strong ME response for the zero magnetic bias field. Follow-up studies and potential avenues for enhancing the strength of ME coupling in the core–shell nanofibers are discussed.
The Germanic languages include some of the world’s most widely spoken and thoroughly researched languages. English has become a global language that serves as a lingua franca in many parts of the world and has an estimated 1.12 billon speakers (Simons and Fennig 2018). German, Dutch, Icelandic, Swedish, and Norwegian have also been studied and described extensively from both diachronic and synchronic perspectives. In addition to the standard varieties of these languages, there are available descriptions of many nonstandard varieties as well as of regional and minority languages, such as Frisian and Low German. There are several possibilities to consider when putting together a handbook of a language family. One would be to have a chapter devoted to each language, as in König and Auwera (1993).
Les AVP sont le principal pourvoyeur d’ESPT (Kupchik et al., 2007), dont la prévalence fluctue de 6 à 45 % entre les études (Heron-Delaney et al., 2013). En l’absence de repérage clinique, l’ESPT peut se chroniciser (Kessler et al., 1995). Les outils actuels permettent son diagnostic (Jackson et al., 2011), mais pas de dépister précocement les sujets à risque de développer un ESPT post-AVP en aigu (8 semaines) comme en chronique (6 mois) ou en tardif (1 an). Nous présentons une étude longitudinale réalisée sur 274 patients répartis sur 6 centres de traumatologie ayant pour objectif principal de valider un outil infirmier de dépistage précoce d’ESPT après un AVP (DEPITAC). Dix questions ont été soumises à tout patient hospitalisé dans les 15 jours après un AVP, ainsi qu’une PDI et un MINI DSM-IV. La PCL-S (cut-off à 44) a permis le diagnostic à 8 semaines, 6 mois et 1 an. L’analyse statistique a été réalisée avec le logiciel SAS Institute 9.4. Le score total DEPITAC était significativement associé au diagnostic d’ESPT à 1 an (OR : 1,43 ; IC95 % : 1,14–1,79) avec un pouvoir discriminant de 0,64 (IC95 % : 0,56–0,72). DEPITAC était corrélé à l’échelle PDI (p < 0,0001) avec un faible coefficient de corrélation (r = 0,32) montrant une faible redondance. Seules 3 questions après analyses bivariées s’avèrent significatives : « présence d’autres blessés ou décédés lors de l’AVP », « présence d’une dissociation post-AVP » et « s’être vu mourir lors de l’AVP » avec un pouvoir discriminant de 0,65 (IC95 % : 0,57–0,73). Aucun effet centre n’a été mis en évidence (p = 0,90). Nos résultats semblent montrer qu’à l’aide de seulement 3 questions de dépistage, les équipes infirmières pourraient repérer les patients à risque de développer un ESPT aigu ou tardif, leur permettant ainsi d’alerter précocement les équipes psychiatriques de liaison ou de pschotraumatologie.
Here we evaluate an interdisciplinary occupational and sport therapy intervention for dementia patients suffering from apathy.
Subjects and methods:
A prospective, controlled, rater-blinded, clinical trial with two follow-ups was conducted as part of a larger cluster-randomized trial in 18 nursing homes in Berlin. n = 117 dementia patients with apathy, defined as a score of 40 or more on the apathy evaluation scale (AES) or presence of apathy on the Neuropsychiatric Inventory (NPI), were randomly assigned to intervention or control group. The intervention included 10 months of brief activities, provided once a week. The primary outcome measure was the total score on the AES scale measured directly after the intervention period and again after 12 months.
We found significant group differences with respect to apathy during the 10 month intervention period (F2,82 = 7.79, P < 0.01), which reflected an increase in apathy in the control group, but not in the intervention group. Within one year after the intervention was ceased, the treatment group worsened and no longer differed significantly from the control group (P = 0.55).
Our intervention was effective for the therapy of apathy in dementia, when applied, but not one year after cessation of therapy.
The Germanic language family ranges from national languages with standardized varieties, including German, Dutch and Danish, to minority languages with relatively few speakers, such as Frisian, Yiddish and Pennsylvania German. Written by internationally renowned experts of Germanic linguistics, this Handbook provides a detailed overview and analysis of the structure of modern Germanic languages and dialects. Organized thematically, it addresses key topics in the phonology, morphology, syntax, and semantics of standard and nonstandard varieties of Germanic languages from a comparative perspective. It also includes chapters on second language acquisition, heritage and minority languages, pidgins, and urban vernaculars. The first comprehensive survey of this vast topic, the Handbook is a vital resource for students and researchers investigating the Germanic family of languages and dialects.
Dietary Zn has significant impacts on the growth and development of breeding rams. The objectives of this study were to evaluate the effects of dietary Zn source and concentration on serum Zn concentration, growth performance, wool traits and reproductive performance in rams. Forty-four Targhee rams (14 months; 68 ± 18 kg BW) were used in an 84-day completely randomized design and were fed one of three pelleted dietary treatments: (1) a control without fortified Zn (CON; n = 15; ~1 × NRC); (2) a diet fortified with a Zn amino acid complex (ZnAA; n = 14; ~2 × NRC) and (3) a diet fortified with ZnSO4 (ZnSO4; n = 15; ~2 × NRC). Growth and wool characteristics measured throughout the course of the study were BW, average daily gain (ADG), dry matter intake (DMI), feed efficiency (G : F), longissimus dorsi muscle depth (LMD), back fat (BF), wool staple length (SL) and average fibre diameter (AFD). Blood was collected from each ram at four time periods to quantify serum Zn and testosterone concentrations. Semen was collected 1 to 2 days after the trial was completed. There were no differences in BW (P = 0.45), DMI (P = 0.18), LMD (P = 0.48), BF (P = 0.47) and AFD (P = 0.9) among treatment groups. ZnSO4 had greater (P ≤ 0.03) serum Zn concentrations compared with ZnAA and CON treatments. Rams consuming ZnAA had greater (P ≤ 0.03) ADG than ZnSO4 and CON. There tended to be differences among groups for G : F (P = 0.06), with ZnAA being numerically greater than ZnSO4 and CON. Wool staple length regrowth was greater (P < 0.001) in ZnSO4 and tended to be longer (P = 0.06) in ZnAA treatment group compared with CON. No differences were observed among treatments in scrotal circumference, testosterone, spermatozoa concentration within ram semen, % motility, % live sperm and % sperm abnormalities (P ≥ 0.23). Results indicated beneficial effects of feeding increased Zn concentrations to developing Targhee rams, although Zn source elicited differential responses in performance characteristics measured.