126 research outputs found
Time to Take New Measures: Developing a Cost-Per-Cited-Reference Metric for the Assessment of E-Journal Collections
The current primary quantitative measure of e-journal subscription return-on-investment (ROI) is cost-per-use (CPU). While CPU is widely used, it also widely criticized and should not be relied on to the exclusion of other factors when assessing ROI. Because CPU is an imperfect measure, the authors developed a new, complementary metric for evaluating e-journal subscription ROI: Cost-per-cited reference (CPCR). CPCR assigns a dollar value to each citation of a particular journal by authors affiliated with the subscribing institution during a specified time period. By focusing on the content that researchers cite in their scholarly output, a CPCR metric assists in measuring the value of journal subscriptions to researchers and the institutions that support them. This article gives a very high-level overview of a collaborative project, conducted by librarians in the Triangle Research Libraries Network (TRLN), to develop a local CPCR metric and apply that metric to the evaluation of a consortial Big Deal. The authors explain CPCR, how they calculated and applied it to a particular shared Big Deal, and where they would like to take it in future. A more in-depth description of this project may be found in Serials Review’s final issue for 2016 (Martin, Gray, Kilb, & Minchew, n.d.)
Пористая структура продуктов электрохимического синтеза на переменном токе нанодисперсных оксидов олова
Методами электронной микроскопии и низкотемпературной адсорбции азота изучена пористая структура продуктов электролиза металлического олова на переменном токе промышленной частоты. Установлено, что продукты синтеза характеризуются высокими значениями удельной площади поверхности и мезапористой структурой. Показано, что средний размер частиц варьирует в интервале 10…30 нм
Cannabinoid receptor-interacting protein Crip1a modulates CB1 receptor signaling in mouse hippocampus
The online version of this article (doi:10.1007/s00429-015-1027-6) contains supplementary material, which is available to authorized users.This work was supported by the Deutsche
Forschungsgemeinschaft FOR926 (subprojects SP3 to B. L. and K.
M.), SFB 1080 (subprojects A1 to H. J. L. and B8 to B. L.), the
Australian Research Council (ARC Future Fellowship to M. K.), the
Hungarian Brain Research Program, KTIA_NAP_13-2-2014-0013 (to
A.A.), the Swedish Medical Research Council and the Novo Nordisk
Foundation (T. H.
Landmark Recognition in Alzheimer’s Dementia: Spared Implicit Memory for Objects Relevant for Navigation
Contains fulltext :
97074.pdf (publisher's version ) (Open Access)BACKGROUND: In spatial navigation, landmark recognition is crucial. Specifically, memory for objects placed at decision points on a route is relevant. Previous fMRI research in healthy adults showed higher medial-temporal lobe (MTL) activation for objects placed at decision points compared to non-decision points, even at an implicit level. Since there is evidence that implicit learning is intact in amnesic patients, the current study examined memory for objects relevant for navigation in patients with Alzheimer's dementia (AD). METHODOLOGY/PRINCIPAL FINDINGS: 21 AD patients participated with MTL atrophy assessed on MRI (mean MMSE = 21.2, SD = 4.0), as well as 20 age- and education-matched non-demented controls. All participants watched a 5-min video showing a route through a virtual museum with 20 objects placed at intersections (decision points) and 20 at simple turns (non-decision points). The instruction was to pay attention to the toys (half of the objects) for which they were supposedly tested later. Subsequently, a recognition test followed with the 40 previously presented objects among 40 distracter items (both toys and non-toys). Results showed a better performance for the non-toy objects placed at decision points than non-decision points, both for AD patients and controls. CONCLUSION/SIGNIFICANCE: Our findings indicate that AD patients with MTL damage have implicit memory for object information relevant for navigation. No decision point effect was found for the attended items. Possibly, focusing attention on the items occurred at the cost of the context information in AD, whereas the controls performed at an optimal level due to intact memory function.5 p
Long-range temporal correlations in the EEG bursts of human preterm babies.
The electrical activity in the very early human preterm brain, as recorded by scalp EEG, is mostly discontinuous and has bursts of high-frequency oscillatory activity nested within slow-wave depolarisations of high amplitude. The temporal organisation of the occurrence of these EEG bursts has not been previously investigated. We analysed the distribution of the EEG bursts in 11 very preterm (23-30 weeks gestational age) human babies through two estimates of the Hurst exponent. We found long-range temporal correlations (LRTCs) in the occurrence of these EEG bursts demonstrating that even in the very immature human brain, when the cerebral cortical structure is far from fully developed, there is non-trivial temporal structuring of electrical activity
Analyse mikrobieller Lebensgemeinschaften in anaeroben Grundwassersystemen mittels molekulargenetischer Methoden
Available from TIB Hannover: RA 985(59) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDeutsche Forschungsgemeinschaft (DFG), Bonn (Germany)DEGerman
Self-Assessment of Research Skills and Barriers to Research Careers among Pulmonary and Critical Care Fellows.
BACKGROUND: Recruitment and retention of Pulmonary and Critical Care Medicine (PCCM) trainees into academic research positions remain difficult. Factors influencing graduates, like salary and personal circumstances, remain unchangeable. However, some program-level factors, like research skill acquisition and mentorship, may be modifiable to encourage matriculation into academic research positions.
OBJECTIVE: We aim to identify proficiency in research-specific skills in PCCM trainees and barriers to careers as research-focused academic faculty.
METHODS: We surveyed PCCM fellows in a nationwide cross-sectional analysis including demographics, research intent, research skills self-assessment, and academic career barriers. The Association of Pulmonary and Critical Care Medicine Program Directors approved and disseminated the survey. Data were collected and stored using the REDCap database. Descriptive statistics were used to assess survey items.
RESULTS: 612 fellows received the primary survey with 112 completing the survey for a response rate of 18.3%. A majority were male (56.2%) and training at university-based medical centers (89.2%). Early fellowship trainees (first-/second-year fellows) comprised 66.9% of respondents with 33.1% being late fellowship trainees (third-/fourth-year fellows). Most early trainees (63.2%) indicated they intended to incorporate research into their careers. A chi-square testing of independence was performed to examine the relationship between training level and perceived proficiency. Significant relationships in perceived proficiency were identified between early and late fellowship trainees with an absolute difference of 25.3% (manuscript writing), 18.7% (grant writing), 21.6% (study design), and 19.5% (quantitative/qualitative methodology). The most prevalent barriers were unfamiliarity with grant writing (59.5%) and research funding uncertainty (56.8%).
CONCLUSION: With an ongoing need for academic research faculty, this study identifies self-perceived gaps in research skills including grant writing, data analytics, and study conception and design. These skills map to fellow-identified barriers to careers in academics. Mentorship and innovative curriculum focusing on the development of key research skills may enhance academic research faculty recruitment
Self-Assessment of Research Skills and Barriers to Research Careers among Pulmonary and Critical Care Fellows
BACKGROUND Recruitment and retention of Pulmonary and Critical Care Medicine (PCCM) trainees into academic research positions remain difficult. Factors influencing graduates, like salary and personal circumstances, remain unchangeable. However, some program-level factors, like research skill acquisition and mentorship, may be modifiable to encourage matriculation into academic research positions. OBJECTIVE We aim to identify proficiency in research-specific skills in PCCM trainees and barriers to careers as research-focused academic faculty. METHODS We surveyed PCCM fellows in a nationwide cross-sectional analysis including demographics, research intent, research skills self-assessment, and academic career barriers. The Association of Pulmonary and Critical Care Medicine Program Directors approved and disseminated the survey. Data were collected and stored using the REDCap database. Descriptive statistics were used to assess survey items. RESULTS 612 fellows received the primary survey with 112 completing the survey for a response rate of 18.3%. A majority were male (56.2%) and training at university-based medical centers (89.2%). Early fellowship trainees (first-/second-year fellows) comprised 66.9% of respondents with 33.1% being late fellowship trainees (third-/fourth-year fellows). Most early trainees (63.2%) indicated they intended to incorporate research into their careers. A chi-square testing of independence was performed to examine the relationship between training level and perceived proficiency. Significant relationships in perceived proficiency were identified between early and late fellowship trainees with an absolute difference of 25.3% (manuscript writing), 18.7% (grant writing), 21.6% (study design), and 19.5% (quantitative/qualitative methodology). The most prevalent barriers were unfamiliarity with grant writing (59.5%) and research funding uncertainty (56.8%). CONCLUSION With an ongoing need for academic research faculty, this study identifies self-perceived gaps in research skills including grant writing, data analytics, and study conception and design. These skills map to fellow-identified barriers to careers in academics. Mentorship and innovative curriculum focusing on the development of key research skills may enhance academic research faculty recruitment
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