complementary analysis
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Nutrients ◽  
2021 ◽  
Vol 14 (1) ◽  
pp. 60
Author(s):  
Valérie Julian ◽  
Iris Ciba ◽  
Roger Olsson ◽  
Marie Dahlbom ◽  
Dieter Furthner ◽  
...  

Metabolic syndrome (MetS) is highly prevalent in children and adolescents with obesity and places them at an increased risk of cardiovascular-related diseases. However, the associations between objectively measured movement-related behaviors and MetS diagnosis remain unexplored in youths with obesity. The aim was to compare profiles of sedentary (SED) time (more sedentary, SED+ vs. less sedentary, SED−), moderate to vigorous physical activity (MVPA) time (more active, MVPA+ vs. less active, MVPA−) and combinations of behaviors (SED−/MVPA+, SED−/MVPA−, SED+/MVPA+, SED+/MVPA−) regarding the MetS diagnosis. One hundred and thirty-four adolescents with obesity (13.4 ± 2.2 years) underwent 24 h/7 day accelerometry, waist circumference (WC), blood pressure (BP), high-density lipoprotein-cholesterol (HDL-c), triglycerides (TG) and insulin-resistance (IR) assessments. Cumulative cardiometabolic risk was assessed by using (i) MetS status (usual dichotomic definition) and (ii) cardiometabolic risk z-score (MetScore, mean of standardized WC, BP, IR, TG and inverted HDL-c). SED− vs. SED+ and MVPA+ vs. MVPA− had lower MetS (p < 0.01 and p < 0.001) and MetScore (p < 0.001). SED−/MVPA+ had the lowest risk. While SED and MVPA times were lower in SED−/MVPA− vs. SED+/MVPA+ (p < 0.001), MetScore was lower in SED−/MVPA− independently of body mass index (BMI) (p < 0.05). MVPA, but not SED, time was independently associated with MetS diagnosis (p < 0.05). Both MVPA (p < 0.01) and SED times (p < 0.05) were associated with MetScore independently of each other. A higher MVPA and lower SED time are associated with lower cumulative cardiometabolic risk.


Author(s):  
Maria V. Ekaterinina ◽  
Elena V. Karpova

The article presents the results of theoretical analysis and empirical studies of the problem of determining and explaining the complex of professionally important qualities of one socially significant type of activity - the activity of nurses. Based on the principle of complementary analysis of literary data and materials of the author’s research, the main professionally important qualities of a nurse are identified and characterized, the main of which are attentional abilities in general and switchability, and concentration of attention, in particular; communicative and organizational abilities; empathy, self-control, as well as internality, which is the basis of an even more generalized quality-responsibility. These qualities are interpreted on the basis of the synthesis of personnel profile analysis approach and competence approaches. Special attention is paid to the logic and history of the development of ideas on this problem, as well as the explication of the difficulties and unresolved problems that it has led to at the present time and possible ways to minimize them.


Gels ◽  
2021 ◽  
Vol 7 (4) ◽  
pp. 249
Author(s):  
Edgar Franco ◽  
Rosmery Dussán ◽  
Diana Paola Navia ◽  
Maribel Amú

Films were fabricated using a mixture of polyvinyl alcohol (PVA)/cassava starch and incorporated citric acid in a concentration range between 5% and 40%. The films were annealed through thermal treatment in a temperature range between 30 °C and 90 °C with 0.3% glutaraldehyde incorporated as the crosslinking agent. This study presents the results of an experimental design analyzed using the response surface methodology. The multiple regression analysis allowed us to obtain the second-order models, which relate the annealing factors and citric acid concentration to Maximum Tensile Strength (MTS), Young’s Modulus (YM), and the Maximum Elongation at Break (MEB). The optimization and validation of the obtained model were carried out with error values below 10.08% for all the response variables, indicating that the response surface methodology and optimization were correct. Finally, as a complementary analysis, the differential scanning calorimetry (DSC) and Fourier-transform infrared spectroscopy (FTIR) tests were carried out, which revealed a higher packaging of the heat-treated films and verified their crosslinking.


Author(s):  
Kathrin Becker ◽  
Nicole Rauch ◽  
Giulia Brunello ◽  
Sarah Azimi ◽  
Mathias Beller ◽  
...  

Summary Background Orthodontic implant migration has been clinically observed in presence of continuous loading forces. Recent studies indicate that osteocytes play a crucial role in this phenomenon. Objectives Aim of this study was to investigate local osteocytic gene expression, protein expression, and bone micro-structure in peri-implant regions of pressure and tension. Material and methods The present work reports a complementary analysis to a previous micro-computed tomography study. Two customized mini-implants were placed in one caudal rat vertebra and connected by a nickel–titanium contraction spring generating different forces (i.e. 0, 0.5, 1.0, and 1.5 N). Either at 2 or 8 weeks, the vertebrae were harvested and utilized for 1. osteocytic gene expression using laser capture micro-dissection on frozen sections coupled with qPCR, 2. haematoxylin–eosin staining for qualitative and quantitative analyses, 3. immunofluorescence staining and analysis, and 4. bone-to-implant contact on undecalcified samples. Results At the two time points for all the performed analyses no significant differences were observed with respect to the applied force magnitudes and cell harvesting localization. However, descriptive histological analysis revealed remarkable bone remodelling at 2 weeks of loading. At 8 weeks the implants were osseointegrated and, especially in 1.0 and 1.5 N groups, newly formed bone presented a characteristic load bearing architecture with trabecula oriented in the direction of the loading. Conclusions The present study confirmed that stress-induced bone remodelling is the biological mechanism of orthodontic implant migration. Bone apposition was found at ‘tension’ and ‘pressure’ sites thus limiting implant migration over time.


Minerals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 852
Author(s):  
Jesús Benjamín Ortega-Lazcano ◽  
Demetrio Mendoza-Anaya ◽  
Eleazar Salinas-Rodríguez ◽  
Juan Hernández-Ávila ◽  
Otilio Arturo Acevedo-Sandoval ◽  
...  

In this work, scanning electron microscopy (SEM), X-ray diffraction (XRD), and infrared spectroscopy (FTIR) techniques were used to study blue, red, and ochre pigments from wall paintings of the 16th century colonial convent of San Nicolás de Tolentino in Actopan, Hidalgo, Mexico. In the blue pigments, nanometric fibers with a chemical composition of mostly O, Si, Al, and Mg were identified. XRD and FTIR analysis indicated the presence of palygorskite clay, which suggests that these analyzed blue pigments are similar to Mayan blue. In the red pigment, structures with different morphologies (spines and flake shapes, for instance), with a composition of C, O, Al, Si, S, Ca, Na, Mg, and K and a higher concentration of Fe and Pb, were observed. Complementary analysis showed that the red color originates from hematite and lead. Finally, the ochre pigment showed a significant presence of O and Fe, which was associated with the goethite mineral, while calcite was a crystalline phase identified in all analyzed pigments; these show that these pigments are characteristic of the known Mexican Colonial color palette.


IAWA Journal ◽  
2021 ◽  
pp. 1-22
Author(s):  
Erin R. Price ◽  
Isabella A. Miles-Bunch ◽  
Peter E. Gasson ◽  
Cady A. Lancaster

Abstract Attention to illegal logging practices and demanding policies in transnational timber trade have driven the need for species-level identification of timber. Historically wood has been identified to genus level using microscopy and anatomical characteristics, however, new chemometric and imaging methods have been developed to increase the speed and precision of timber identification. This study approaches species identification using a combination of complementary methods: Direct Analysis in Real Time–Time-of-Flight Mass Spectrometry (DART-TOFMS), wood anatomy, and fluorescence spectroscopy. Seven commercially and environmentally significant species in Pterocarpus, including P. erinaceus (CITES Appendix II), P. santalinus (CITES Appendix II), P. tinctorius (CITES Appendix II), P. indicus, P. macrocarpus, P. dalbergioides, and P. soyauxii were studied. It was found that DART-TOFMS paired with discriminant analysis of principal components (PCA) could classify species with an accuracy of 95–100%, while anatomy in combination with PCA applied to fluorescence spectra could be used to classify CITES Appendix II species. In the absence of access to DART-TOFMS, a combination of wood anatomy and fluorescence spectrometry can permit more accurate identification than anatomy alone.


Author(s):  
Tania Kuteva ◽  
Bernd Heine

Both linguistic and neuroanatomical evidence suggests that there are two modes of processing in linguistic discourse, namely an analytic mode and a holistic mode. Competent speakers of a language know many linguistic entities in two ways: holistically and analytically, and can move between the two. The analytic mode is concerned with propositional language processing based on the compositional format of sentences, clauses, and phrases and their hierarchical organization, while the holistic mode surfaces mainly in unanalyzable, formulaic expressions, for example, in speech act formulas such as interjections (wow, ouch), ideophones (bang, splish-splash), formulae of social exchange (hello, sorry, goodbye). Research on the reconstruction of earlier stages of language evolution has for the most part been restricted to the analytic mode, and grammaticalization theory played an important role in this research. The present chapter demonstrates that a complementary analysis of holistic ways of processing can contribute to a more comprehensive understanding of how human languages may have evolved.


Membranes ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 201
Author(s):  
Gregor Rudolph ◽  
Basel Al-Rudainy ◽  
Johan Thuvander ◽  
Ann-Sofi Jönsson

Fouling is a major obstacle in the introduction of membrane processes in new applications in the pulping industry. Due to the complex nature of the feed solutions, complementary analysis methods are usually needed to identify the substances involved. Four different methods were used for the comprehensive analysis of a membrane removed from an ultrafiltration plant treating alkaline bleach plant effluent in a sulfite pulp mill to identify the substances causing fouling. Magnesium was detected both on the membrane surface and in the nonwoven membrane backing and a small amount of polysaccharides was detected after acid hydrolysis of the fouled membrane. This study provides information on foulants, which can be used to improve processing conditions and cleaning protocols and thus the membrane performance in pulp mill separation processes. It also provides an overview of the usefulness of various analytical methods.


2021 ◽  
Author(s):  
Joel Roskin ◽  
Oren Ackermann ◽  
Yotam Asscher

&lt;p&gt;Growing infrastructure development in Israel has increased the number of rescue excavations involving multi-layer archaeological sites and &quot;megasites&quot; in landscapes ranging from dunes to clay-rich soils and yielding prehistoric to early modern finds. The limited time and resources allocated for the excavations requires rapid on-site scientific data, which are used for research during and after excavation, prioritizing artefact treatment, sediment analysis, and absolute and relative dating.&lt;/p&gt;&lt;p&gt;Lateral and vertical pulsed-photon (portable) OSL (PPSL) profiling of sections of anthropogenically-altered sediments containing feldspar or quartz, provide rapid and partial answers for interpreting depositional processes. These answers allow researchers to discriminate between natural and human-intervened sedimentation, identify relative age and laterally synchronize between similar sediment units, which, in turn, often help to orient the excavation goals. The potential for inhomogeneity of archaeological sediments in some cases constrain the comparability of results and call for complementary analysis of the measured sediments in order to define their inter-compatibility. Independent mineralogical and chemical and textural properties of the sediments affect the inherent luminescence signals and should therefore be analyzed.&lt;/p&gt;&lt;p&gt;Here we present a PPSL profiling approach combining tailored sedimentological analyses to validate sample comparability in different sedimentological and archaeological settings. The analyses include gamma and FTIR spectroscopy, portable XRF geochemistry, carbon content, particle-size distribution and colorimetry. The complementary data are intended to improve PPSL protocols by characterizing the context inhomogeneity and helping to prioritize samples for OSL dating&lt;/p&gt;


2021 ◽  
Author(s):  
Patrick Sadil ◽  
Rosemary Cowell ◽  
David E. Huber

Visual perceptual decisions can be altered by recent experience. In the “serial dependence” effect, participants’ responses to visual stimuli appear to be biased toward (i.e., attracted to) recently encountered stimuli. Fischer and Whitney (2014) proposed that serial dependence reflects a “continuity field” that promotes visual stability by biasing perception toward the recent past. However, when participants are relatively accurate on the prior trial, there is no discernible difference between attraction to the prior stimulus and attraction to the prior response. To tease apart these alternative explanations of the attraction effect, we developed two complementary analysis techniques that rely on participants’ naturally occurring errors on a trial-by-trial basis, identifying any effect of the prior stimulus and, separately, any effect of the prior response (i.e., each effect could be attractive, repulsive, or absent). Applying these techniques to serial dependence data from a new experiment and four previously published studies, including Fischer and Whitney’s, we found that serial dependencies reflect an attraction to the previous response and repulsion from the previous stimulus, with these effects cancelling each other to different degrees for different experiments. In no case did we find evidence of an attraction to the prior stimulus. These results are consistent with literatures that predate the serial dependence effect: Attraction to prior responses is routinely observed in a wide variety of paradigms and repulsion from prior stimuli is ubiquitous, such as in the tilt aftereffect.


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