cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
ТЕХНОЛОГИИ ЭКСПЛУАТАЦИИ САМОЗАДАВЛИВАЮЩИХСЯ СКВАЖИН УРЕНГОЙСКОГО МЕСТОРОЖДЕНИЯ
Creators: name: Рагимов Теймур Тельманович
Publisher: name: Транспорт и хранение нефтепродуктов и углеводородного сырья
Year: 2019
Subjects: самозадавливание
газовые скважины
концентрический лифт
технологии
эксплуатация

description: В статье предложено решение проблемы эксплуатации скважин, на забое которых в процессе добычи пластовой продукции происходит накопление жидкости, на примере добывающих скважин сеноманской залежи Уренгойского нефтегазоконденсатного месторождения. Для предотвращения самозадавливания скважин в статье представлены технологии эксплуатации, направленные на оптимизацию режимов работы газовых скважин в условиях водопроявлений с учетом максимально возможного дебита, при котором не происходит разрушения призабойной зоны пласта и наземного оборудования, и минимального дебита, при котором не происходит скопление жидкости. Рассмотрена оценка критериев, оказывающих влияние на выбор той или иной технологии эксплуатации газовой скважины.
The discursive construction of freedom in the watchtower society
Creators: name: Chester, Helena
Publisher: name: Charles Darwin University
Year: 2018

description: Many deconstructions of Watchtower Society freedom through paradigms of power and domination yield conclusions that cannot adequately account for the unique Watchtower Society contributions to twentieth century freedoms. These contributions have taken the form of extending American constitutional freedoms, collective and personal resistance to secular totalitarian and genocidal discourses, and life-promoting transformation of subjectivity for millions of Watchtower Society members. In contrast to the more common representation of the Watchtower Society as a quasi-totalitarian religious organisation, this thesis presents a poststructural, macro-content analysis of Watchtower Society freedom, utilising insights from evolutionary sociology, expanded and triangulated by the social theories of Foucauldian Biopower and Genealogy; Hegelian Master/Slave and Cunning of Reason, and Bourdieu’s Habitus and Symbolic Violence. The conclusions rendered in this thesis through the above interpretive instruments align with the Watchtower Society’s historical trajectory and suggest that the Watchtower Society functions as the primate equivalent of eusocial insect colonies (superorganisms). Members subordinate personal aspirations for the common good of the Watchtower Society, regulated by discourses of fear, hope and love. Survival, longevity, productivity, belonging, meaning, and hope, emerge as the characteristic forms of Watchtower Society freedom. An analysis of Jehovah’s Witnesses’ life-narratives suggests that the Watchtower Society functions as an effective recovery community for various destructive addictions. However, anonymous online blogs by Jehovah’s Witnesses with same-sex attraction demonstrate that the freedom experienced in the Watchtower Society is contingent on loyalty and conformity to Watchtower Society discourses and preferred subjectivity. Thus, Jehovah’s Witnesses with same-sex attraction are used as a test case for loyal non-conformers in relation to the construction of freedom in the Watchtower Society. Religious discourse is identified in this thesis as a power that operates biopsychosocially to either promote or compromise life and freedom for various sectors of the Watchtower Society global population. This biopsychosocial approach acknowledges the role of evolutionary selection pressures (for survival), as well as social constructionist mechanisms for imagining ‘possible lives’ and generating cultural representations as bearers of meaning.
Business and Agriculture, 1920-1933: A Partial Bibliography of Material on the Interdependence of Business and Agriculture
Creators: name: Hitz, Vajen E.
name: Hitz, Vajen E.
Publisher: name: Unknown
Year: 1933
Subjects: Agribusiness
Agricultural and Food Policy
Demand and Price Analysis
International Relations/Trade
Labor and Human Capital
Land Economics/Use

description: Excerpts from the Foreword: This bibliography deals with the interdependence of business and agriculture as related to the agricultural problem. It does not deal with business methods in agriculture. The word business has been used broadly to include all industry other than agriculture. Some references to city and country relations and to the combination of farming and industry have been included. A good deal of material on the subject of the purchasing power of farm products, or the farmers' dollar has been included as well as material on the importance of agriculture in the life of the nation, or agriculture as a basic industry. References to such subjects as the tariff, taxation, credit, agricultural planning, and the agricultural depression have been included only when found to have some direct bearing on the subject of the bibliography.
IPBES VA Chapter 2. Systematic review on the conceptualizations of values (Stage I review)
Creators: name: Kenter, Jasper
Publisher: name: Zenodo
Year: 2022
Subjects: IPBES
Values Assessment
Chapter 2

description: IPBES VA Chapter 2 - Systematic review on the conceptualizations of values / IPBES values assessment (2.1) Code: IPBES_VA_ 2.1 Versioning 03: (23.09.2020) Versioning 04: (21.03.2022) DOI: 10.5281/zenodo.4071755 Description This review pertains to the IPBES values assessment. This systematic literature review was conducted to identify, characterize and assess, different conceptualizations of nature and its multiple values, including human-nature relationships, from different academic and socio-cultural traditions and perspectives. This review is the stage 1I of the strategy used by Chapter 2 and consists of a systematic literature evaluation of review articles indexed in Scopus from 1 January 2005 (year of the publication of the Millennium Ecosystem Assessment) and until the date of the search (16 May 2019).
Biological effects of diesel exhaust inhalation. III cardiovascular function
Creators: name: Krajnak, Kristine
name: Kan, Hong
name: Thompson, Janet A.
name: McKinney, Walter
name: Waugh, Stacey
name: South, Tim
name: Burns, Dru
name: Lebouf, Ryan
name: Cumpston, Jared
name: Boots, Theresa
name: Fedan, Jeffrey S.
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Space Science
subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Biological Sciences not elsewhere classified
subject: Marine Biology
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Inhalation of diesel exhaust (DE) has been shown to be an occupational hazard in the transportation, mining, and gas and oil industries. DE also contributes to air pollution, and therefore, is a health hazard to the general public. Because of its effects on human health, changes have been made to diesel engines to reduce both the amounts of particulate matter and volatile fumes they generate. The goal of the current study was to examine the effects of inhalation of diesel exhaust. The study presented here specifically examines the effects of exposure to 0.2 and 1.0 mg/m3 DE or filtered air (6h/d for 4 d) on measures of peripheral and cardio-vascular function, and biomarkers of heart and kidney dysfunction in male rats. A Tier 2 engine used in oil and gas fracking operations was used to generate the diesel exhaust. Exposure to 0.2 mg/m3 DE resulted in an increase in blood pressure 1d following the last exposure, and increases in dobutamine-induced cardiac output and stroke volume 1 and 27d after exposure. Changes in peripheral vascular responses to norepinephrine and acetylcholine were minimal as were changes in transcript expression in the heart and kidney. Exposure to 1.0 mg/m3 DE did not result in major changes in blood pressure, measures of cardiac function, peripheral vascular function or transcript expression. Based on the results of this study, we suggest that exposure to DE generated by a Tier 2 compliant diesel engine generates acute effects on biomarkers indicative of cardiovascular dysfunction. Recovery occurs quickly with most measures of vascular/cardiovascular function returning to baseline levels by 7d following exposure.
Scolicia, ichnotaxonomic practices, and the limits of behavioural convergence
Creators: name: Buatois, Luis A.
name: Mángano, M. Gabriela
name: Carmona, Noelia B.
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Neuroscience
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences

description: Many studies convincingly documented the diagnostic morphology of Scolicia, establishing a functional link with the burrowing activities of heart urchins, common components of the marine mobile faunas that emerged during the Mesozoic Marine Revolution. However, this ichnotaxon has been repeatedly mentioned in both continental successions and Paleozoic marine strata, even though its diagnostic characteristics were absent. This approach may reflect the implicit belief that behavioural convergence is rampant in the ichnologic record and can be uncritically adopted in almost all cases. We underscore the importance of a definition of Scolicia that is based on diagnostic morphologic features and supported by a solid analysis from the perspective of function and mode of construction. This view of Scolicia highlights its value in paleoenvironmental reconstructions and its significance to unravel macroevolutionary trends. Attribution to an ichnotaxon should involve understanding of morphologic features in terms of its mode of production rather than the mere observation of superficial similarities.
Libraries in Transition: From Book Collections and Union Catalogues to Open Access and Digital Repositories (2011)
Creators: name: Clobridge, Abby
Publisher: name: figshare
Year: 2014
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications
subject: Information Systems
subject: FOS: Computer and information sciences

description: As the information landscape continues to evolve with more exclusively-digital content being produced, a next generation of union catalogues is being developed to tie together content from disparate digital repositories. This paper will provide an overview of Open Access, digital repositories, and interoperability, and it will suggest a framework for considering the future of union catalogues and libraries in general.
Rural Psychology: A Partial List of References
Creators: name: Olcott, Margaret T.
name: Olcott, Margaret T.
Publisher: name: Unknown
Year: 1939
Subjects: subject: Community/Rural/Urban Development
subject: Farm Management
subject: Labor and Human Capital
subject: Marketing
subject: FOS: Economics and business
subject: Research Methods/ Statistical Methods

description: Excerpts from the Foreword: This partial bibliography on rural psychology attempts to bring together references on the social psychology of rural life and on the psychology of farm management, or the scientific management of agricultural labor. It has been difficult to define the scope of this bibliography as it borders on so many other fields, and in many cases the psychological data have been collected only as a part, frequently an incidental part, of other projects. To compile a comprehensive bibliography, it would be necessary to search the literature on social psychology, rural sociology, state and local government, farm management and relief. A thorough search of these fields has not been made in compiling the present bibliography. However, works in these classes known to refer specifically to rural psychology have been examined for inclusion. The references included have been classified, as follows: 1. General; 2. Attitudes and opinions, with subdivisions under government and politics, marketing and marketing associations, and relief; 3. Family and community life; and 4. Farm labor. An author and subject index is appended
The Kokoda Campaign, July-November 1942, an analysis
Creators: name: Williams, Peter
Publisher: name: Charles Darwin University
Year: 2008

description: With the exception of a few scholars who are familiar with the Allied Translator and Interpreter Service (ATIS) collection, Japanese sources for the Kokoda campaign have not been closely examined by Australian researchers. These sources point towards a number of problems with Australian published accounts. Foremost, the Japanese did not outnumber the Australians and Papuans very often in their advance and when they did they did not outnumber them by much. In the subsequent Japanese retreat the Australians significantly outnumbered the Japanese. The second most important factor to emerge from Japanese sources is that the Japanese postponed their attack on Port Moresby in August 1942 and the plan was never revived. The Nankai Shitai’s advance into the Owen Stanley Range became more in the nature of a feint to distract Allied attention and resources away from Guadalcanal, the decisive battle of the war in the south west Pacific. The explanations offered in previous work for the various Australian defeats and victories in the Kokoda campaign have been based on an assumption the Japanese were always more numerous than they were and these works have not understood that the Japanese advance was not an attempt to take Port Moresby. As such their explanations for why the campaign turned out as it did are likely to fall short of a balanced account. Other reasons commonly given for Japanese failure concern poor intelligence, malaria and allied air interdiction of their supply line. None of these are satisfactory. It is rather that two other previously ignored factors are of more importance in understanding the course of events in the Owen Stanley Range from July to November 1942; the large number of artillery pieces the Japanese brought into the mountains and the unusually heavy rain of September 1942 which washed away their supply line. This thesis argues that in light of the above considerable revision is needed in current Australian accounts of the Kokoda campaign.
Open Access: Progress, Possibilities, and the Changing Scholarly Communications Ecosystem
Creators: name: Clobridge, Abby
Publisher: name: figshare
Year: 2014
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications
subject: Information Systems
subject: FOS: Computer and information sciences

description: By all accounts, we’re past the tipping point with Open Access (OA). Over the past ten years, Open Access has moved from the domain of disruptive technology to an increasingly-adopted approach to research dissemination. Within the publishing world, OA journals are becoming so widely-accepted that even some long-established players are moving OA from the sidelines to the heart of their strategies for the future. Universities in countries around the world have passed Open Access policies and are incorporating OA into the way in which they capture, collect, and disseminate researchers’ outputs. Increasing numbers of research funding organizations and national governments are pushing for public access, Open Access, and open data. This article takes a look at the current landscape around Open Access publishing, repositories, policies, and expectations for the future. Several members of the Open Access community weigh in and share their thoughts.
Open Access: Progress, Possibilities, and the Changing Scholarly Communications Ecosystem
Creators: name: Clobridge, Abby
Publisher: name: figshare
Year: 2014
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications
subject: Information Systems
subject: FOS: Computer and information sciences

description: Libraries have always been involved in supporting access to information and knowledge, but Open Access brings with it new roles, responsibilities, and opportunities for libraries. Here are five ideas for all types of librarians and information professionals to get involved in supporting Open Access.
Early ovariectomy unmasking the non-somatic origin of murine anti-A reactive IgM, unreactive with somatic A-like structures
Creators: name: Arend, Peter
Publisher: name: figshare
Year: 2015
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Hematology
subject: Medicine
subject: Biochemistry
subject: Developmental Biology
subject: Zoology
subject: 60114 Systems Biology
subject: Structural Biology
subject: Stem Cells
subject: Cell Biology
subject: Genetics

description: Early ovariectomy unmasking non-somatic IgM formation
You Say You Want a Revolution? Open Access on the March
Creators: name: Clobridge, Abby
Publisher: name: figshare
Year: 2014
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications
subject: Information Systems
subject: FOS: Computer and information sciences

description: During 2012, the landscape surrounding Open Access began to radically shift. What started out a decade ago as a small group of scientists and librarians advocating for change in scholarly communication has grown into the focus of a much bigger global discourse. Open Access discussions now bring together large and influential groups of major research funders, national governments, the United Nations, publishers, academics from all disciplines, and, notably, librarians. Open Access has become a movement, linked to the broader “open knowledge” philosophy that emphasizes maximizing the potential use and reuse of knowledge by making it freely and openly available via the internet. Of the many groups involved in promoting Open Access, the library community plays a crucial role in its implementation. Information professionals need to be aware of the issues surrounding Open Access and the broader scholarly communication ecosystem.
Neurocognitive performance under combined regimens of ketamine-dexmedetomidine and ketamine-fentanyl in healthy adults: A randomised trial
Creators: name: Hayley, Amie
name: Green, Maja
name: Downey, Luke
name: Keane, Michael
name: Kenneally, Michaela
name: Adams, Mark
name: Shehabi, Yahya
Publisher: name: Swinburne
Year: 2024

description: Analgesic doses of ketamine affects neurocognition; however, deficits under co-administration regimens are unknown. This study evaluated the effects of ketamine, alone and in combination with dexmedetomidine or fentanyl on neurocognition. Using a randomised, within-subjects gender stratified design, 39 participants (mean age = 28.4, SD ± 5.8) received a ketamine bolus of 0.3 mg/kg followed by 0.15 mg/kg/h infusion of ketamine (3 h duration). At 1.5 h post-ketamine infusion commencement, participants received either: i) 0.7 μg/kg/h infusion of dexmedetomidine (n = 19) (KET/DEX) or (ii) three 25 μg fentanyl injections over 1.5 h (n = 20) (KET/FENT). Reaction and Movement time (RTI, Simple and 5Choice), Visuospatial Working Memory (SWM) and Verbal Recognition Memory (VRM) were assessed using the Cambridge Neuropsychological Test Automated Battery (CANTAB). Whole blood drug concentrations were determined during ketamine-only infusion, at co-administration (KET/DEX or KET/FENT) and at 2-h post-treatment. Ketamine-only administration impaired psychomotor response speed (Simple and 5Choice) and impaired memory (all p < .001), however did not alter executive function abilities. Independent of sedation, co-administration of dexmedetomidine produced synergistic performance and memory deficits which persisted at post-treatment (KET/DEX) (all p < .001), and were comparatively greater than for KET/FENT (all p < .05). Ketamine, norketamine and dexmedetomidine concentrations were modestly associated with reduced psychomotor speed and accuracy (all p < .05), and an inverse relationship was found between blood concentrations of ketamine, norketamine and dexmedetomidine and performance on memory tasks. Co-administration of ketamine with dexmedetomidine but not with fentanyl exerts synergistic effects on psychomotor performance and memory without executive dysfunction. Assessment of these effects in clinical groups is warranted.
Transforming Regional Knowledge Bases: A Network and Machine Learning Approach to Link Entrepreneurial Experimentation and Regional Absorptive Capacity
Creators: name: Birkholz, Jessica
Publisher: name: Universität Bremen
Year: 2022
Subjects: subject: Entrepreneurship
subject: Regional absorptive capacity
subject: Smart specialization
subject: 330

description: This study explores the regional innovation system characteristics that build the basis for the regional absorptive capacity of entrepreneurial knowledge. Regionalized patent data is combined with firm level and regional information for German regions over the period 1995 until 2015. Network analysis is applied to identify regional innovation system characteristics on three different layers: 1) cooperation between incumbent firms, 2) learning regimes, and 3) the technological knowledge base. Random forest analyses on basis of conditional inference classification trees are used to identify the most important characteristics for the regional absorption of entrepreneurial knowledge in general and on different efficiency levels. It is shown that characteristics on all three layers impact the regional absorption of entrepreneurial knowledge. Further, the direction and magnitude of the effect regional innovation system characteristics have on the regional knowledge absorption vary across different levels of absorption rates. It is concluded that for a successful implementation of policies to increase the impact of entrepreneurial knowledge on regional development, the regional innovation system needs to be monitored and adapted continuously.
IPBES VA Ch2. Systematic review of indigenous and local knowledge and philosophies
Creators: name: Athayde, Simone
Publisher: name: Zenodo
Year: 2022
Subjects: IPBES
Values Assessment
Chapter 2

description: IPBES VA Ch2. Systematic review of indigenous and local knowledge and philosophies / IPBES values assessment (2.2) Code: IPBES_VA_ 2.2 Versioning 01: (12.10.2020) Versioning 02: (30.08.2021) Versioning 03: (21.03.2022) DOI: 10.5281/zenodo.4396278 Description This literature review corresponds to the IPBES values assessment. To respond to mandate that the IPBES scoping document for the values assessment has for chapter 2, regarding the assessment of “the coverage of diverse conceptualizations of values with regard to nature and nature’s benefits to people'' that should draw on “qualitative case studies associated with indigenous and local knowledge (ILK)”, a literature search and review was conducted as part of the stage 2 of the literature review strategy for the chapter. The objective of this review was to identify the main trends in academic literature regarding the conceptualization of values by indigenous peoples and local communities (IPLC) in order to inform different sections of the chapter concerning worldviews, human-nature relationships, value types, power, justice, sustainability, institutions, and languages. Chapter 2’s stage 2 is a way to incorporate other sources of evidence appropriate for each section and subsection, with searches tailored to specific questions that allow to obtain a broader and deeper database to fulfil the mandate of the scoping document. This review was done following FPIC principles.
Remarks about spectrum of bad-cavity laser
Creators: name: Kazakov, Georgy
Publisher: name: Zenodo
Year: 2022
Subjects: bad-cavity laser,
heterodyne phase locking, stability
spectrum, filter cavity

description: Technical notes.
 "Spectrum via filter cavity and two-time correlation.pdf" describes correspondence between spectrum of a laser defined via filter cavities (as in https://doi.org/10.1103/PhysRevA.98.063837 ) and two-time correlation function of the cavity field. "Stability of heterodyne phase locking" contain hand-written derivation about ultimate stability of a laser phase locked to some weak but high-stable master laser. Instability is connected with shot noise of the the photons emitted by the master laser.
Risk Factors Associated with Specific Language Impairment in Preschool Children at Division of Developmental and Behavioural Paediatrics Faculty of Medicine Vajira Hospital: A Matched Case-Control Study
Creators: name: Natwipa Wanicharoen
name: Pongsak Noipayak
Publisher: name: Text and Journal Publication
Year: 2019
Subjects: specific language impairment
risk factors
preschool children

description: Vajira Medical Journal, 63, 6, 423-442
Antioxidant activities and quali-quantitative analysis of different Smallanthus sonchifolius [(Poepp. and Endl.) H. Robinson] landrace extracts
Creators: name: D. Russo
name: N. Malafronte
name: D. Frescura
name: G. Imbrenda
name: I. Faraone
name: L. Milella
name: E. Fernandez
name: N. De Tommasi
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Plant Biology
subject: FOS: Biological sciences
subject: Science Policy
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Information and Computing Sciences
subject: Biological Sciences
subject: Ecology
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Cell Biology
subject: Biochemistry

description: Five landraces of Smallanthus sonchifolius [(Poepp. and Endl.) H. Robinson], known as yacon, were investigated in total phenolic content, antioxidant activity and chemical composition of ethanol extracts (EEs) and decoction extracts (DEs). The results demonstrated that DEs are rich in phenolic acids as caffeic acid, while the EEs show an higher amount of flavonoids, as luteolin 3′,7-O-diglucoside and luteolin 7-O-glucoside. These flavonoid glycosides were identified for the first time in yacon extracts, together with apigenin and luteolin. The phytochemical profile explains the different antioxidant activities shown in our study. The landraces PER6-DE and PER4-DE showed the highest radical-scavenging activity and reducing power related to their polyphenolic contents. Results also show that yacon can be considered an important source of bioactive compounds with significant differences among the analysed landraces.
Influence of structural depth of laser-patterned steel surfaces on the solid lubricity of carbon nanoparticle coatings
Creators: name: Maclucas, Timothy
name: Daut, Lukas
name: Grützmacher, Philipp
name: Guitar, Maria Agustina
name: Presser, Volker
name: Gachot, Carsten
name: Suarez, Sebastian
name: Mücklich, Frank
Publisher: name: Berlin ; Heidelberg : Springer
Year: 2022
Subjects: subject: carbon nanotubes
subject: carbon onions
subject: direct laser interference patterning (DLIP) surface structuring
subject: electrophoretic deposition (EPD)
subject: solid lubricant coatings
subject: 500
subject: 600

description: Carbon nanoparticle coatings on laser-patterned stainless-steel surfaces present a solid lubrication system where the pattern’s recessions act as lubricant-retaining reservoirs. This study investigates the influence of the structural depth of line patterns coated with multi-walled carbon nanotubes (CNTs) and carbon onions (COs) on their respective potential to reduce friction and wear. Direct laser interference patterning (DLIP) with a pulse duration of 12 ps is used to create line patterns with three different structural depths at a periodicity of 3.5 µm on AISI 304 steel platelets. Subsequently, electrophoretic deposition (EPD) is applied to form homogeneous carbon nanoparticle coatings on the patterned platelets. Tribological ball-on-disc experiments are conducted on the as-described surfaces with an alumina counter body at a load of 100 mN. The results show that the shallower the coated structure, the lower its coefficient of friction (COF), regardless of the particle type. Thereby, with a minimum of just below 0.20, CNTs reach lower COF values than COs over most of the testing period. The resulting wear tracks are characterized by scanning electron microscopy, transmission electron microscopy, and energy-dispersive X-ray spectroscopy. During friction testing, the CNTs remain in contact, and the immediate proximity, whereas the CO coating is largely removed. Regardless of structural depth, no oxidation occurs on CNT-coated surfaces, whereas minor oxidation is detected on CO-coated wear tracks. [Figure not available: see fulltext.].
Solubility, density and excess molar volume of binary mixtures of aromatic compounds and common ionic liquids at T = 283.15 K and atmospheric pressure
Creators: name: E.J. González
name: P.F. Requejo
name: F.M. Maia
name: Á. Domínguez
name: E.A. Macedo
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Plant Biology
subject: FOS: Biological sciences
subject: Science Policy
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Biotechnology
subject: Pharmacology
subject: Physiology
subject: Neuroscience
subject: Microbiology
subject: Physics
subject: Biochemistry
subject: Biophysics

description: In this work, the solubility of aromatic compounds (benzene, or toluene, or ethylbenzene, or o-xylene, or m-xylene, or p-xylene) in several ionic liquids (1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, or 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, or 1-ethyl-3-methylpyridinium bis(trifluoromethylsulfonyl)imide, or 1-propyl-3-methylpyridinium bis(trifluoromethylsulfonyl)imide, or 1-ethyl-3-methylpyridinium ethylsulfate, or 1-hexyl-3-methylimidazolium dicyanamide) was experimentally determined at T = 283.15 K and atmospheric pressure. Moreover, density of the above-mentioned mixtures was also measured over the miscible region at the same temperature. This physical property was used to calculate the corresponding excess molar volume, which was fitted to the Redlich–Kister equation.
Relaxation Times of Ionic Liquids under Electrochemical Conditions Probed by Friction Force Microscopy
Creators: name: Hausen, Florian
Publisher: name: Weinheim : WILEY-VCH Verlag GmbH & Co. KGaA
Year: 2023
Subjects: subject: friction force microscopy
subject: ionic liquids
subject: relaxation times
subject: 620

description: Ionic liquids (ILs) represent an important class of liquids considered for a broad range of applications such as lubrication, catalysis, or as electrolytes in batteries. It is well-known that in the case of charged surfaces, ILs form a pronounced layer structure that can be easily triggered by an externally applied electrode potential. Information about the time required to form a stable interface under varying electrode potentials is of utmost importance in many applications. For the first time, probing of relaxation times of ILs by friction force microscopy is demonstrated. The friction force is extremely sensitive to even subtle changes in the interfacial configuration of ILs. Various relaxation processes with different time scales are observed. A significant difference dependent on the direction of switching the applied potential, i.e., from a more cation-rich to a more anion-rich interface or vice versa, is found. Furthermore, variations in height immediately after the potential step and the presence of trace amounts of water are discussed as well.
title: Représentations déclarées des enseignants-es et des élèves à propos des comportements perturbateurs en classe
title: Représentations déclarées des enseignants-es et des élèves à propos des comportements perturbateurs en classe
titleType: AlternativeTitle
Creators: name: Muminovic, Fehima
name: Bron, Florent
Publisher: name: Unknown
Year: 0
Subjects: subject: gestion de classe
subject: comportement perturbateur
subject: représentation
subject: genre
subject: élève
subject: enseignant-e

description: La gestion de classe et le genre sont des objets d’étude fréquemment explorés dans le monde de la recherche. Nous avons décidé de restreindre notre cadre d’étude en nous focalisant sur le comportement dit perturbateur. Nous avons étudié le concept de manière croisée, en étudiant à la fois les représentations déclarées des enseignants-es mais aussi celles des élèves, car nous soupçonnions des divergences autour de la désignation de ces comportements. Au travers de la seconde dimension, genrée, notre objectif était d’identifier la présence ou non de représentations genrées concernant l’attribution de comportements perturbateurs. D’une part, nous avions émis l’hypothèse que les enseignants-es et les filles ne qualifiaient des comportements de perturbateurs que s’ils entravaient les apprentissages, alors que les élèves garçons ne les percevaient ainsi que s’ils les dérangeaient de manière plus personnelle. Concernant les réponses des enseignants-es et des élèves filles, nous avons certes pu mettre en évidence que ces derniers-ères considèrent comme perturbateurs les comportements qui empêchent la progression des apprentissages, mais pas seulement, puisque des éléments plus personnels entrent en jeu lors de la désignation de ces comportements en classe. Concernant les élèves garçons, ces derniers attribuent certes majoritairement les comportements perturbateurs à ceux qui les dérangent de manière personnelle, cependant ils mettent aussi en avant, toutefois de manière moins importante, qu’un comportement perturbateur entrave également l’enseignement-apprentissage. Il est donc difficile de valider entièrement notre hypothèse. D’autre part, nous avions imaginé que les enseignants-es et les élèves (filles et garçons) attribuaient aux filles et aux garçons des comportements perturbateurs de manière stéréotypée et nous pensions que tous les sujets auraient également tendance à qualifier les garçons comme étant plus perturbateurs que les filles. Une nouvelle fois, cette hypothèse n’a pas pu être entièrement affirmée puisque seule une partie des enseignants-es et des élèves nous ont laissé percevoir la présence de représentations stéréotypées concernant l’attribution de certaines catégories de comportements perturbateurs.
A New Family of Layered Metal-Organic Semiconductors: Cu/V-Organophosphonates
Creators: name: Tholen, Patrik
name: Wagner, Lukas
name: Ruthes, Jean G. A.
name: Siemensmeyer, Konrad
name: Beglau, Thi Hai Yen
name: Muth, Dominik
name: Zorlu, Yunus
name: Okutan, Mustafa
name: Goldschmidt, Jan Christoph
name: Janiak, Christoph
name: Presser, Volker
name: Yavuzçetin, Özgür
name: Yücesan, Gündoğ
Publisher: name: Weinheim : Wiley-VCH
Year: 2023
Subjects: subject: layered magnetic materials
subject: layered metal organic semiconductors
subject: metal organic frameworks
subject: 620

description: Herein, we report the design and synthesis of a layered redox-active, antiferromagnetic metal organic semiconductor crystals with the chemical formula [Cu(H2O)2V(µ-O)(PPA)2] (where PPA is phenylphosphonate). The crystal structure of [Cu(H2O)2V(µ-O)(PPA)2] shows that the metal phosphonate layers are separated by phenyl groups of the phenyl phosphonate linker. Tauc plotting of diffuse reflectance spectra indicates that [Cu(H2O)2V(µ-O)(PPA)2] has an indirect band gap of 2.19 eV. Photoluminescence (PL) spectra indicate a complex landscape of energy states with PL peaks at 1.8 and 2.2 eV. [Cu(H2O)2V(µ-O)(PPA)2] has estimated hybrid ionic and electronic conductivity values between 0.13 and 0.6 S m−1. Temperature-dependent magnetization measurements show that [Cu(H2O)2V(µ-O)(PPA)2] exhibits short range antiferromagnetic order between Cu(II) and V(IV) ions. [Cu(H2O)2V(µ-O)(PPA)2] is also photoluminescent with photoluminescence quantum yield of 0.02%. [Cu(H2O)2V(µ-O)(PPA)2] shows high electrochemical, and thermal stability.
Cell-Derived Vesicles for Antibiotic Delivery—Understanding the Challenges of a Biogenic Carrier System
Creators: name: Heinrich, Eilien
name: Hartwig, Olga
name: Walt, Christine
name: Kardani, Arefeh
name: Koch, Marcus
name: Jahromi, Leila Pourtalebi
name: Hoppstädter, Jessica
name: Kiemer, Alexandra K.
name: Loretz, Brigitta
name: Lehr, Claus‐Michael
name: Fuhrmann, Gregor
Publisher: name: Weinheim : Wiley-VCH
Year: 2023
Subjects: subject: B-lymphoid RO cells
subject: ciprofloxacin
subject: extracellular vesicles
subject: myxobacteria
subject: outer membrane vesicles
subject: Shigella flexneri
subject: zebrafish larvae
subject: 620

description: Recently, extracellular vesicles (EVs) sparked substantial therapeutic interest, particularly due to their ability to mediate targeted transport between tissues and cells. Yet, EVs’ technological translation as therapeutics strongly depends on better biocompatibility assessments in more complex models and elementary in vitro–in vivo correlation, and comparison of mammalian versus bacterial vesicles. With this in mind, two new types of EVs derived from human B-lymphoid cells with low immunogenicity and from non-pathogenic myxobacteria SBSr073 are introduced here. A large-scale isolation protocol to reduce plastic waste and cultivation space toward sustainable EV research is established. The biocompatibility of mammalian and bacterial EVs is comprehensively evaluated using cytokine release and endotoxin assays in vitro, and an in vivo zebrafish larvae model is applied. A complex three-dimensional human cell culture model is used to understand the spatial distribution of vesicles in epithelial and immune cells and again used zebrafish larvae to study the biodistribution in vivo. Finally, vesicles are successfully loaded with the fluoroquinolone ciprofloxacin (CPX) and showed lower toxicity in zebrafish larvae than free CPX. The loaded vesicles are then tested effectively on enteropathogenic Shigella, whose infections are currently showing increasing resistance against available antibiotics.
Degradation analysis of tribologically loaded carbon nanotubes and carbon onions
Creators: name: MacLucas, T.
name: Grützmacher, P.
name: Husmann, S.
name: Schmauch, J.
name: Keskin, S.
name: Suarez, S.
name: Presser, V.
name: Gachot, C.
name: Mücklich, F.
Publisher: name: [London] : Macmillan Publishers Limited
Year: 2023
Subjects: subject: Electrophoresis
subject: Friction
subject: Textures
subject: Tribology
subject: Carbon onions
subject: Contact areas
subject: Degradation analysis
subject: Direct laser interference patterning
subject: Fundamental mechanisms
subject: Lubricant depletions
subject: Solid lubrication
subject: Stainless steel surface
subject: Structural degradation
subject: Tribological systems
subject: Carbon nanotubes
subject: 620
subject: 530

description: Coating laser-patterned stainless-steel surfaces with carbon nanotubes (CNT) or carbon onions (CO) forms a tribological system that provides effective solid lubrication. Lubricant retention represents the fundamental mechanism of this system, as storing the particles inside the pattern prevents lubricant depletion in the contact area. In previous works, we used direct laser interference patterning to create line patterns with three different structural depths on AISI 304 stainless-steel platelets. Electrophoretic deposition subsequently coated the patterned surfaces with either CNTs or COs. Ball-on-disc friction tests were conducted to study the effect of structural depth on the solid lubricity of as-described surfaces. The results demonstrated that the shallower the textures, the lower the coefficient of friction, regardless of the applied particle type. This follow-up study examines the carbon nanoparticles’ structural degradation after friction testing on substrates patterned with different structural depths (0.24, 0.36, and 0.77 µm). Raman characterization shows severe degradation of both particle types and is used to classify their degradation state within Ferrari’s three-stage amorphization model. It was further shown that improving CNT lubricity translates into increasing particle defectivity. This is confirmed by electron microscopy, which shows decreasing crystalline domains. Compared to CNTs, CO-derived tribofilms show even more substantial structural degradation.
Cracking and associated volumetric expansion of NMC811 secondary particles
Creators: name: Shishvan, S.S.
name: Fleck, N.A.
name: McMeeking, R.M.
name: Deshpande, V.S.
Publisher: name: New York, NY [u.a.] : Elsevier
Year: 2023
Subjects: subject: Cracking
subject: Li-ion battery
subject: Modelling
subject: Ni-rich NMC cathodes
subject: Secondary particle
subject: 620

description: Secondary particles comprising a large number of nickel-rich single crystal primary particles are extensively used as storage particles in cathodes of lithium-ion batteries. It is well-established that crack formation in secondary particles is an important degradation mode that contributes to decline in battery performance. Recent X-ray tomographic observations suggest that, at very low C-rates, concentration gradients of lithium within an NMC811 secondary particle are negligible yet cracking still occurs. Additionally, during delithiation the primary particles shrink yet a volumetric expansion of the secondary particle occurs. These observations are explained by a numerical model of distributed cracking due to the extreme anisotropy of lithiation strain of primary particles. The incompatible deformation from grain to grain induces large self-stresses even in the absence of spatial gradients in the lithium concentration. The stress state is sufficient to drive a dynamic catastrophic fracture event, and the associated kinetic energy acquired by the primary particles moves them apart (akin to an explosive event) with the carbon and binder domain surrounding each secondary particle restricting the outward motion of the primary particles. It is predicted that a volume expansion of the secondary particles on the order of 20 % accompanies cracking, in agreement with recently reported observations.
Reversibly growing crosslinked polymers with programmable sizes and properties
Creators: name: Zhou, Xiaozhuang
name: Zheng, Yijun
name: Zhang, Haohui
name: Yang, Li
name: Cui, Yubo
name: Krishnan, Baiju P.
name: Dong, Shihua
name: Aizenberg, Michael
name: Xiong, Xinhong
name: Hu, Yuhang
name: Aizenberg, Joanna
name: Cui, Jiaxi
Publisher: name: [London] : Nature Publishing Group UK
Year: 2023
Subjects: subject: dye
subject: elastomer
subject: magnesium oxide
subject: monomer
subject: polymer
subject: silicone
subject: siloxane
subject: triethylamine
subject: catalysis
subject: catalyst
subject: polymerization
subject: Article
subject: cross linking
subject: decomposition
subject: depolymerization
subject: energy dispersive X ray spectroscopy
subject: evaporation
subject: gas chromatography
subject: mass spectrometry
subject: morphology
subject: scanning electron microscopy
subject: 500

description: Growth constitutes a powerful method to post-modulate materials’ structures and functions without compromising their mechanical performance for sustainable use, but the process is irreversible. To address this issue, we here report a growing-degrowing strategy that enables thermosetting materials to either absorb or release components for continuously changing their sizes, shapes, compositions, and a set of properties simultaneously. The strategy is based on the monomer-polymer equilibrium of networks in which supplying or removing small polymerizable components would drive the networks toward expansion or contraction. Using acid-catalyzed equilibration of siloxane as an example, we demonstrate that the size and mechanical properties of the resulting silicone materials can be significantly or finely tuned in both directions of growth and decomposition. The equilibration can be turned off to yield stable products or reactivated again. During the degrowing-growing circle, material structures are selectively varied either uniformly or heterogeneously, by the availability of fillers. Our strategy endows the materials with many appealing capabilities including environment adaptivity, self-healing, and switchability of surface morphologies, shapes, and optical properties. Since monomer-polymer equilibration exists in many polymers, we envision the expansion of the presented strategy to various systems for many applications.
ON THE AFFERRANTE-CARBONE THEORY OF ULTRATOUGH TAPE PEELING
Creators: name: Ciavarella, Michele
name: McMeeking, Robert M.
name: Cricrì, Gabriele
Publisher: name: Niš : Univ.
Year: 2023
Subjects: subject: Adhesion
subject: Peeling
subject: Soft Materials
subject: Viscoelastic Materials
subject: 600

description: In a simple and interesting theory of ultratough peeling of an elastic tape from a viscoelastic substrate, Afferrante and Carbone find that there are conditions for which the load for steady state peeling could be arbitrarily large in steady state peeling, at low angles of peeling-what they call "ultratough" peeling (Afferrante, L., Carbone, G., 2016, The ultratough peeling of elastic tapes from viscoelastic substrates, Journal of the Mechanics and Physics of Solids, 96, pp.223-234). Surprisingly, this seems to lead to toughness enhancement higher than the limit value observed in a very large crack in an infinite viscoelastic body, possibly even considering a limit on the stress transmitted. The Afferrante-Carbone theory seems to be a quite approximate, qualitative theory and many aspects and features of this "ultratough" peeling (e.g. conformity with the Rivlin result at low peel angles) are obtained also through other mechanisms (Begley, M.R., Collino, R.R., Israelachvili, J.N., McMeeking, R.M., 2013, Peeling of a tape with large deformations and frictional sliding, Journal of the Mechanics and Physics of Solids, 61(5), pp. 1265-1279) although not at “critical velocities”. Experimental and/or numerical verification would be most useful.
Application of machine learning to object manipulation with bio-inspired microstructures
Creators: name: Samri, Manar
name: Thiemecke, Jonathan
name: Hensel, René
name: Arzt, Eduard
Publisher: name: Rio de Janeiro : Elsevier
Year: 2023
Subjects: subject: Bioinspired-adhesives
subject: Classification
subject: Machine learning
subject: Microstructures
subject: Pick and place
subject: 670

description: Bioinspired fibrillar adhesives have been proposed for novel gripping systems with enhanced scalability and resource efficiency. Here, we propose an in-situ optical monitoring system of the contact signatures, coupled with image processing and machine learning. Visual features were extracted from the contact signature images recorded at maximum compressive preload and after lifting a glass object. The algorithm was trained to cope with several degrees of misalignment and with unbalanced weight distributions by off-center gripping. The system allowed an assessment of the picking process for objects of various mass (200, 300, and 400 g). Several classifiers showed a high accuracy of about 90 % for successful prediction of attachment, depending on the mass of the object. The results promise improved reliability of handling objects, even in difficult situations.
A Preliminary Investigation into Patient-Centered Care in Audiology
Creators: name: Shah, Malika
Publisher: name: Digital Repository at the University of Maryland
Year: 2020
Subjects: Hearing and Speech Sciences
BSOS
Shah
hearing loss
patient-centered care
audiology

description: In this investigation, we aim to review the current situation of patient-centered care in audiology through a preliminary literature review. We first explore the definition of patient-centered care in audiology that is consistent and operational. We then seek to identify domination of interactions between audiologists and patients during initial appointments. We use this to further investigate the psychosocial interactions and the effectiveness of the audiologists of addressing psychosocial concerns. We find that overall more research needs to be done in patient-centered care in audiology, but from preliminary review, audiologists fall short of addressing patient’s psychosocial concerns adequately in many cases. Research also points toward exploring the relationship between the patient-audiologist interactions and the outcomes of audiological rehabilitation.