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The question of knowledge versus competency in contemporary curricula is controversial. In this article we endeavour to show that the controversy has much to do with the way society is conceptualized as either a class differentiated or a function differentiated society. We examine Michael Young's input to the curriculum debate concerning the question of knowledge with the aim of showing that his knowledge-centred approach, which considers class and status to be the main structuring influences on society, does not address the problems captured by a function differentiated perspective (society differentiated in function systems). We demonstrate that to understand knowledge adequately in the context of the challenges of a modern function differentiated society it is better conceptualized within a competency context. Finally, we argue that criticism from a class perspective does not adequately target specific problems arising from function differentiation.

The Expert in Teaching study pays special attention to the objective of connecting coursework more directly to practice in pre-service teacher education. The study was focused on developing better solutions to the problematic, weak, or even sometimes totally missing, link between theory (teaching at college) and practice (teaching internship) in teacher education. It has been stated over and over again, in several studies and reports, that teachers matter, so this was not the question in this study. The question was "how" teacher preparation can lead to more effective teachers. The objective of the study was to investigate whether selected actions had potential for bridging the gap between teaching at college and teaching practice, and to generate knowledge about difficulties and barriers that have to be overcome if these actions are to be implemented. Difficulties and barriers were found in the role performance of the three different parties in teacher education (college teachers, practice teachers and student teachers) and in the college teachers' approach to teaching in which the responsibilities of the college teachers and the student teachers were unclearly differentiated and described.

Background Human bocavirus 1 (HBoV1) is frequently codetected with other viruses, and detected in asymptomatic children. Thus, the burden of HBoV1 respiratory tract infections (RTI) has been unknown. Using HBoV1-mRNA to indicate true HBoV1 RTI, we assessed the burden of HBoV1 in hospitalized children and the impact of viral codetections, compared with respiratory syncytial virus (RSV). Methods Over 11 years, we enrolled 4879 children <16 years old admitted with RTI. Nasopharyngeal aspirates were analyzed with polymerase chain reaction for HBoV1-DNA, HBoV1-mRNA, and 19 other pathogens. Results HBoV1-mRNA was detected in 2.7% (130/4850) samples, modestly peaking in autumn and winter. Forty-three percent with HBoV1 mRNA were 12–17 months old, and only 5% were <6 months old. A total of 73.8% had viral codetections. It was more likely to detect HBoV1-mRNA if HBoV1-DNA was detected alone (odds ratio [OR]: 3.9, 95% confidence interval [CI]: 1.7–8.9) or with 1 viral codetection (OR: 1.9, 95% CI: 1.1–3.3), compared to ≥2 codetections. Codetection of severe viruses like RSV had lower odds for HBoV1-mRNA (OR: 0.34, 95% CI: 0.19–0.61). The yearly lower RTI hospitalization rate per 1000 children <5 years was 0.7 for HBoV1-mRNA and 8.7 for RSV. Conclusions True HBoV1 RTI is most likely when HBoV1-DNA is detected alone, or with 1 codetected virus. Hospitalization due to HBoV1 LRTI is 10–12 times less common than RSV. [ABSTRACT FROM AUTHOR]

The question of knowledge versus competency in contemporary curricula is controversial. In this article we endeavour to show that the controversy has much to do with the way society is conceptualized as either a class differentiated or a function differentiated society. We examine Michael Young's input to the curriculum debate concerning the question of knowledge with the aim of showing that his knowledge-centred approach, which considers class and status to be the main structuring influences on society, does not address the problems captured by a function differentiated perspective (society differentiated in function systems). We demonstrate that to understand knowledge adequately in the context of the challenges of a modern function differentiated society it is better conceptualized within a competency context. Finally, we argue that criticism from a class perspective does not adequately target specific problems arising from function differentiation. [ABSTRACT FROM AUTHOR]

Human bocavirus 1 (HBoV1) is a small nonenveloped virus in the Parvoviridae family. It was discovered in human respiratory samples in 2005 (1). The virus does not grow in standard [...]

Cadastral maps constitute the geographical basis of resource administration in most developed countries, including those in Scandinavia, where they function as a framework for organizing the economic utility of land and associated decision-making processes. The authors investigate the history of Danish cadastral cartography with a focus on its representation of landscape. They explore representations of landscape in maps of a study area in Denmark, produced between 1807 and 1942, and analyse them in the context of the general history of Danish cadastral cartography. Their results show that an initial landscape-oriented perspective on property changed to a focus primarily on legal boundaries. The limitations of that particularistic mode of representation were recognized in 1929 and subsequently several unsuccessful attempts were made to reintroduce a holistic representation of landscape. The authors conclude that the history of cadastral map-making is reflected in current mapping practices, which are characterized by a perspective in which economic aspects of a landscape are seen as separate from its ecological, physical and visual characteristics. Thus, further investigations of this mismatch between the cartographic representation of cadastral structures and the landscape are important in relation to understanding and mitigating many of today's environmental problems in the landscape. [ABSTRACT FROM AUTHOR]

Background The role of Parechovirus A (PeV-A) in hospitalized children with respiratory tract infections (RTIs) is unclear. We studied the occurrence and impact of PeV-A over 10 years. Methods Children from Sør-Trøndelag County, Norway, hospitalized with RTI and a comparison group of asymptomatic children admitted to elective surgery, were prospectively enrolled from 2006 to 2016. Nasopharyngeal aspirates were cultured and analyzed with polymerase chain reaction tests for PeV-A and 19 other pathogens. The cycle threshold levels of PeV-A were reported as measures of viral genomic loads. Parechovirus A-positive samples were genotyped by amplification and sequencing of the VP3/VP1 junction. Results Parechovirus A was detected in 8.8% (323/3689) patients with RTI and in 10.1% (45/444) of the children in the comparison group (P =.34). Parechovirus A genotyping (n = 188) revealed PeV-A1 (n = 121), PeV-A3 (n = 15), PeV-A5 (n = 6), and PeV-A6 (n = 46). Viral codetections occurred in 95% of patients and in 84% of the children in the comparison group (P =.016). In multivariable logistic regression analysis, RTI was unrelated to PeV-A genomic loads, adjusted for other viruses and covariates. Similar results were found for PeV-A1 and PeV-A6. Conclusions Parechovirus A and viral codetections were common in hospitalized children with RTI and asymptomatic children in a comparison group. Our findings suggest that PeV-A has a limited role in hospitalized children with RTI. [ABSTRACT FROM AUTHOR]

In this article, drawing on the discursive psychology of Rom Harré, we show how mapping the exchange of words among people might disclose a complex reality; not merely that which farmers explicitly talk 'about' but the reality implicitly at stake within the communication. More specifically, we show how discourses involving modern farmers reveal an underlying placing in an abstract space, having sub-spaces defined by the life-orientation, sense of self and according self-positioning of modern people. In this way, we construct a road map of a set of 'individualities' characterizing the life of modern farmers: an individuality of citizenship, an individuality of geographies and an individuality of experience. Consequently, farmers face the problem that this multiplicity of individuality prevents them from communicating, as we will call it, univocally in the public by contrast to the univocal voices of other established social groups. We will analyse the structure of that problem by viewing diverse relations between the authority and the authenticity of different partners in the conversation on land use. [ABSTRACT FROM AUTHOR]

The state of health (SoH) of electric vehicle (EV) batteries is important for the EV owner and potential buyer of second hand EVs. The incremental capacity analysis (ICA) has by several researchers proven to be a promising SoH estimation method for lithium-ion batteries. However, in order to be practical useable, the method needs to be feasible on a pack or EV level and not only on an individual cell level. Therefore, the purpose of this article is to demonstrate the feasibility of the ICA method on real EVs. Nickel manganese cobalt (NMC) cells used in BMW i3 EVs and lithium manganese oxide (LMO) used in Nissan Leaf EVs have been tested both on the cell level and on car level. The results are consistent and the characteristic peaks and valleys of the ICA on car level match with the same on cell level. A root-mean-square error of 1.33% and 2.92% has been obtained for the SoH estimation of the NMC and LMO type, respectively. It is therefore concluded that the ICA method is also applicable to the car level for battery SoH estimation. [ABSTRACT FROM AUTHOR]

Human bocavirus 1 (HBoV1) can persist in nasopharynx and tonsils. Using HBoV1 serology, reverse-transcription polymerase chain reaction (PCR) for detecting messenger RNA (mRNA) and quantitative PCR for HBoV1 genome load count, we studied to what extent the HBoV1 DNA loads in nasopharynx correlate with acute infection markers. Tonsillar tissue, nasopharyngeal aspirate, and serum were obtained from 188 elective adeno-/tonsillectomy patients. Relatively high loads of HBoV1 DNA were detected in the nasopharynx of 14 (7%) primarily asymptomatic subjects with negative mRNA and/or serodiagnostic results. Quantitative HBoV1 DNA PCR may have lower specificity than HBoV1 mRNA detection for diagnosing symptomatic infection. [ABSTRACT FROM AUTHOR]

Background: The burden of human coronavirus (HCoV)-associated respiratory tract infections (RTIs) in hospitalized children is poorly defined. We studied the occurrence and hospitalization rates of HCoV over 9 years.Methods: Children from Sør-Trøndelag County, Norway, hospitalized with RTIs and asymptomatic controls, were prospectively enrolled from 2006 to 2015. Nasopharyngeal aspirates were analyzed with semiquantitative polymerase chain reaction (PCR) tests for HCoV subtypes OC43, 229E, NL63, and HKU1, and 13 other respiratory pathogens.Results: HCoV was present in 9.1% (313/3458) of all RTI episodes: 46.6% OC43, 32.3% NL63, 16.0% HKU1, and 5.8% 229E. Hospitalization rates for HCoV-positive children with lower RTIs were 1.5 and 2.8 per 1000 <5 and <1 years of age, respectively. The detection rate among controls was 10.2% (38/373). Codetections occurred in 68.1% of the patients and 68.4% of the controls. In a logistic regression analysis, high HCoV genomic loads (cycle threshold <28 in PCR analysis) were associated with RTIs (odds ratio = 3.12, P = .016) adjusted for relevant factors.Conclusions: HCoVs occurred in 1 of 10 hospitalized children with RTIs and asymptomatic controls. A high HCoV genomic load was associated with RTI. HCoVs are associated with a substantial burden of RTIs in need of hospitalization. [ABSTRACT FROM AUTHOR]

Profound digitalization of public administration is gaining momentum and spatial planning is no exception. To increase the transparency of planning and its usefulness for public and private actors, planning authorities have integrated production and online distribution of digital plan data within existing planning practices and workflows. Many European countries have established public spatial planning databases. Denmark is one of the forerunners in that digitalization. Since 2006, all legal plans are registered in an open geodatabase including over 34,000 currently effective local development plans. Despite the obvious potential of such data to inform about planning practice and associated outcomes, research using these new data is rare, mainly focusing on technical or judicial aspects. Questions related to planning practice, efficiency, evaluation and design have hardly been looked into. In this paper, we provide a short overview of digital plan data in the Danish database as well as similar data in Nordic countries. We then discuss research perspectives regarding plan evaluation and planning practice and we argue that digital plans represent a new transdisciplinary type of intentionally explicit data source for analysis of land change processes. [ABSTRACT FROM AUTHOR]

Lower respiratory tract infection is the most common cause of acute exacerbations of chronic obstructive pulmonary disease (AECOPD). The aim of the present study was to compare the accuracy of procalcitonin (PCT), C-reactive protein (CRP) and white blood cell count (WBC) as single diagnostic tests and in combination with clinical signs and symptoms to diagnose pneumonia in patients hospitalized with AECOPD. This was a prospective, single centre observational study. Patients with spirometry-confirmed COPD who were hospitalized due to AECOPD were consecutively recruited at the hospital's Emergency Unit. Pneumonia was defined as a new pulmonary infiltrate on chest X-ray. The values of PCT, CRP and WBC were determined at admission. Receiver operating characteristic (ROC) curve analysis was used to study the accuracy of various diagnostic tests. Of the 113 included patients, 35 (31%) had pneumonia at admission. Area under the ROC curve (AUC) for PCT, CRP and WBC as a single test to distinguish between patients with and without pneumonia was 0.67 (95% CI 0.55-0.79), 0.73 (95% CI 0.63-0.84) and 0.67 (95% CI 0.55-0.79), respectively (p = 0.42 for the test of difference). The AUC for a model of clinical signs and symptoms was 0.84 (95% CI 0.76-0.92). When biomarkers were added to the clinical model, the AUCs of the combined models were not significantly different from that of the clinical model alone (p = 0.54). PCT had about the same accuracy as CRP and WBC in predicting pneumonia in patients hospitalized with AECOPD both as a single test and in combination with clinical signs and symptoms. [ABSTRACT FROM AUTHOR]

Mosaic landscapes under shifting cultivation, with their dynamic mix of managed and natural land covers, often fall through the cracks in remote sensing–based land cover and land use classifications, as these are unable to adequately capture such landscapes’ dynamic nature and complex spectral and spatial signatures. But information about such landscapes is urgently needed to improve the outcomes of global earth system modelling and large-scale carbon and greenhouse gas accounting. This study combines existing global Landsat-based deforestation data covering the years 2000 to 2014 with very high-resolution satellite imagery to visually detect the specific spatio-temporal pattern of shifting cultivation at a one-degree cell resolution worldwide. The accuracy levels of our classification were high with an overall accuracy above 87%. We estimate the current global extent of shifting cultivation and compare it to other current global mapping endeavors as well as results of literature searches. Based on an expert survey, we make a first attempt at estimating past trends as well as possible future trends in the global distribution of shifting cultivation until the end of the 21st century. With 62% of the investigated one-degree cells in the humid and sub-humid tropics currently showing signs of shifting cultivation—the majority in the Americas (41%) and Africa (37%)—this form of cultivation remains widespread, and it would be wrong to speak of its general global demise in the last decades. We estimate that shifting cultivation landscapes currently cover roughly 280 million hectares worldwide, including both cultivated fields and fallows. While only an approximation, this estimate is clearly smaller than the areas mentioned in the literature which range up to 1,000 million hectares. Based on our expert survey and historical trends we estimate a possible strong decrease in shifting cultivation over the next decades, raising issues of livelihood security and resilience among people currently depending on shifting cultivation. [ABSTRACT FROM AUTHOR]

The motivation for harmonic propagation measurements in distribution grids is given. An island site with substantial renewable generation and smart grid elements is chosen as a site for a measurement campaign, and the description of the island distribution network and demographics is given. The measurement infrastructure including a set of GPS synchronized digitizers, transducers, and data collection and communication infrastructure is described. A selection of the results is analyzed and presented for power and harmonic amplitude is given. The phase between the measurement sites is also presented at the fundamental and harmonic frequencies. Interpretation of the results against simplified models of the island medium voltage grid is given. The role of the intersite harmonic phase measurements in interpreting localized harmonic power levels is discussed. [ABSTRACT FROM AUTHOR]

Background: It is unclarified as to whether viral co-detection and human metapneumovirus (HMPV) genotypes relate to clinical manifestations in children with HMPV and lower respiratory tract infection (LRTI), and if the clinical course and risk factors for severe LRTI differ between HMPV and respiratory syncytial virus (RSV). Methods: We prospectively enrolled hospitalized children aged <16 years with LRTI from 2006 to 2015. Children were clinically examined, and nasopharyngeal aspirates were analyzed using semi-quantitative, real-time polymerase chain reaction tests for HMPV, RSV and 17 other pathogens. HMPV-positive samples were genotyped. Results: A total of 171 children had HMPV infection. HMPV-infected children with single virus (n = 106) and co-detections (n = 65) had similar clinical manifestations. No clinical differences were found between HMPV genotypes A (n = 67) and B (n = 80). The HMPV-infected children were older (median 17.2 months) than RSV-infected children (median 7.3 months, n = 859). Among single virus-infected children, no differences in age-adjusted LRTI diagnoses were found between HMPV and RSV. Age was an important factor for disease severity among single virus-infected children, where children <6 months old with HMPV had a milder disease than those with RSV, while in children 12–23 months old, the pattern was the opposite. In multivariable logistic regression analysis for each virus type, age ≥12 months (HMPV), and age <6 months (RSV), prematurity, ≥1 chronic disease and high viral loads of RSV, but not high HMPV viral loads, were risk factors for severe disease. Conclusions: Among hospitalized children with LRTI, HMPV manifests independently of viral co-detections and HMPV genotypes. Disease severity in HMPV- and RSV-infected children varies in relation to age. A history of prematurity and chronic disease increases the risk of severe LRTI among HMPV- and RSV-infected children. [ABSTRACT FROM AUTHOR]

Developers and manufacturers of battery management systems (BMSs) require extensive testing of controller Hardware (HW) and Software (SW), such as analog front-end and performance of generated control code. In comparison with the tests conducted on real batteries, tests conducted on a state-of-the-art hardware-in-the-loop (HIL) simulator can be more cost and time effective, easier to reproduce, and safer beyond the normal range of operation, especially at early stages in the development process or during fault insertion. In this paper, an HIL simulation battery model is developed for purposes of BMS testing on a commercial HIL simulator. A multicell electrothermal Li-ion battery (LIB) model is integrated in a system-level simulation. Then, the LIB system model is converted to C code and run in real time with the HIL simulator. Finally, in order to demonstrate the capabilities of the setup, experimental results of BMS tests over a certain set of exemplary cases are shown. [ABSTRACT FROM AUTHOR]

In electric vehicles, reliable estimation of the state-of-charge (SoC) is crucial to determine the remaining capacity, but the electrochemical processes in metal-O2 batteries are very different to the Li-ion batteries used today, and current SoC-estimation methods prove insufficient. In Li-02 batteries, the capacity is highly dependent on the discharge rate, since different current densities enable different growth mechanisms of Li2O2, and an on-board calibration of the SoC is therefore needed. Such a calibration is typically performed by measuring the open-circuit voltage (OCV), but as the OCV of many metal-O2 battery does not change as a function of capacity, this method cannot be used. In this manuscript, we propose a method, based on a single-frequency electrochemical impedance measurement, to estimate the remaining capacity and assess the state-of-health of reversible metal-O2 batteries by calculating the capacitance of the positive electrode where the discharge products are formed. The results from experiments on Li-O2 batteries show that the capacitance is a good measure of the remaining capacity and that the SoC estimation can be improved significantly by the calibration. [ABSTRACT FROM AUTHOR]

One of the major bottlenecks in the development of biochips is maintaining the structure and function of biomolecules when interfacing them with hard matter (glass, plastics, metals, etc.), a challenge that is exacerbated during miniaturization that inevitably increases the interface to volume ratio of these devices. Biochips based on immobilized vesicles circumvent this problem by encapsulating biomolecules in the protective environment of a lipid bilayer, thus minimizing interactions with hard surfaces. Here we review the development of biochips based on arrays of single nanoscale vesicles, their fabrication via controlled self-assembly, and their characterization using fluorescence microscopy. We also highlight their applications in selected fields such as nanofluidics and single molecule bioscience. Despite their great potential for improved biocompatibility, extreme miniaturization and high throughput, single vesicle biochips are still a niche technology that has yet to establish its commercial relevance. [ABSTRACT FROM AUTHOR]

Nanometer-scaled liposomes are used frequently for research, therapeutic, and analytical applications as carriers for water-soluble molecules. Recent technical advances allow the monitoring of single liposomes, which provides information on heterogeneous properties that were otherwise hidden due to ensemble averaging. Recent observations demonstrated that the efficiency of entrapping water-soluble molecules increases with decreasing vesicle size. The molecular mechanism behind this observation is not clear, but enhanced molecule-membrane interactions due to the increase of the surface area-to-volume ratio could play an important role. To investigate this hypothesis, we extended our single liposome assay based on confocal fluorescence imaging by implementation of fluorescence anisotropy. This combination has not been widely exploited, and confocal fluorescence anisotropy imaging in particular has seldom been used. We investigated different small dye molecules and were able to determine if these molecules interact or not with the liposome membrane. We confirm the liposome size-dependent entrapment of molecules whereas the molecule-membrane interactions appear to be independent of liposome size. Our fluorescence anisotropy assay can be used as a general method to investigate molecule-membrane interactions or molecule-molecule interactions in a high-throughput manner in nanometer-scaled containers like liposomes. [ABSTRACT FROM AUTHOR]