bluuebunny/crossref_metadata_2025_split huggingface dataset:
CO2 removal in humid environment by ion‐exchange membranes
Authors: Li Feng , Zhang Yifan , Zheng Shiqiang , Wang Kai , Ni Jia , Zhu Liangliang , Chen Xi 
Published: July 2022

AbstractMany CO2 sorbents have performance degradation issues in humid environment. The recently developed moisture swing sorbent, initially used for CO2 capture from ambient air, faces the same problem of high moisture sensitivity in the adsorption environment with very dilute CO2 concentration (i.e., air). However, the performance of the sorbent, especially its moisture sensitivity, at relative high concentrations of CO2, is still unknown. In this work, the adsorption performance of a resin‐based ion‐exchange membrane loaded with CO32− (a typical moisture swing sorbent) was investigated in a series of isothermal equilibrium experiments at varying CO2 concentrations and relative humidity. The results showed that the moisture sensitivity of the adsorption capacity of the ion‐exchange membrane decreased with the initial CO2 concentration, especially when the initial CO2 concentration was above 4%. The competition mechanism of H2O and CO2 molecules in the membrane material was analyzed by the modified dynamic adsorption model. The present work indicates that the resin‐based ion‐exchange membrane could be used for carbon dioxide removal in a lot humid environments with relatively high CO2 concentration, such as fruit and vegetable storage room, raw natural gas, and flue gas.
Development of the degradation bacteria in household food waste and analysis of the microbial community in aerobic composting
Authors: Jin Zhihua , Lu Tong , Feng Wenjun , Jin Qingchao , Wu Zhige , Yang Yu 
Published: July 2022

AbstractBy screening the strains and testing different combinations of diverse bacteria, we developed a compound bacterial agent composed of 5 g Bacillus amyloliquefaciens (B2), 10 g Pseudomonas aeruginosa (F4), 5 g Paenibacillus lautus (303), and 10 ml composite strains (DOD) for the degradation of household food waste (HFW). The final mass loss of HFW in aerobic composting with the compound bacteria agent B2+F4+303+DOD (group C) was 84.52%, increased by 20.83% over that loss in natural composting (group A). Analysis of 16S rRNA high‐throughput sequencing showed that the phyla in group A and group C mainly included Firmicutes, Proteobacteria, and Cyanobacteria. At the genus level, Pediococcus was the dominant genus in group A, of which the microbial community performed better in maintaining a stable microbial system in the later stage of composting, while Weissella accounted for a larger proportion of group C, which acted well in reducing the final mass of composting. Ochrobactrum was closely related to the removal of odors in the early stage of group C. The relative abundance of compound bacterial agents was always at a rather low level, suggesting that it affected the composting process by changing the proportion of dominant bacteria in the compost.
A membrane solid‐phase extraction method based on MIL‐53‐mixed‐matrix membrane for the determination of estrogens and parabens: Polyvinylidene difluoride membrane versus polystyrene‐block‐polybutadiene membrane
Authors: Zhang Yong , Wei Kaifang , Wang Litao , Gao Guihua 
Published: July 2022

AbstractIn this work, MIL‐53(Al), as an inorganic “filler” component, was embedded in polyvinylidene difluoride (PVDF) and polystyrene‐block‐polybutadiene (SBS) matrices to prepare two mixed‐matrix membranes (MMMs), using a simpler method than that previously reported. The PVDF and SBS membranes retained much of the properties of PVDF, SBS, and native MIL‐53(Al). The prepared MMMs were then placed in a vortex‐stirred sample solution to develop a membrane solid‐phase extraction method to extract estrogens and parabens, which were determined by high‐performance liquid chromatography with fluorescence detection. The extraction efficiencies of the two membranes were compared, with the PVDF membrane exhibiting superior performance. In addition, the PVDF membrane was more freestanding and flexible, and its preparation method was also more facile and simple. The extraction conditions were optimized, and the analytical method showed low limits of detection (0.005–0.18 ng/mL), good linearity, and high accuracy, with recoveries ranging from 90.7% to 102.5%. As a result, this membrane solid‐phase extraction method indicated its potential for application in aqueous sample pretreatment. For metal–organic framework–based MMM used in this method, in addition to being durable, freestanding, mechanically stable, and possessing a large area, it should also exhibit high metal–organic framework incorporation, good flexibility, and appropriate thickness and weight.
Does pleasure facilitate healthy drinking? The role of epicurean pleasure in the regulation of wine consumption
Authors: Petit Olivia , Wang Qian Janice , Spence Charles 
Published: July 2022

AbstractResearch on food psychology demonstrates that epicurean eating tendencies (i.e., esthetic appreciation of the sensory and symbolic value of food), similar to health concerns, tend to be associated with more regulated eating behaviors. Given that wine is already a product that is more pleasure‐oriented, the question to be addressed here is whether such epicurean tendencies exert a similar effect in terms of moderating wine consumption. Two online studies demonstrate that, contrary to this suggestion, people with epicurean drinking tendencies in fact report drinking wine more frequently, and in larger quantities, than those with health beliefs. That said, when such pleasure is explicitly emphasized through textual cues, it appears to promote more regulated wine consumption. Impaired control mediates the effects of drinking tendencies as well as the effects of cueing on wine consumption. These results highlight how stressing epicurean pleasure might prove to be an effective strategy for those marketers and public authorities wanting to promote responsible wine consumption. Success in this regard might depend on whether it is the perception of the product that is cued rather than the consumers' self‐perceived wine consumption.
Does contemplative pedagogy increase relational well‐being? A time series analysis
Authors: Dorais Stephanie , Niles Jennifer , Dukes Allison T. , Colon Michelle L. , Gutierrez Daniel 
Published: July 2022

AbstractCounseling students practiced a centering meditation every morning and evening for 25 days. The authors observed the bi‐daily outcomes in interpersonal and social well‐being and analyzed the observations through a pilot study using time series analysis. The findings were a positive trend in the data for interpersonal and social well‐being.
Neues aus der nationalen Glasbaunormung
Authors: Siebert Geralt 
Published: July 2022

AbstractDIN 18008‐1 und ‐2 (2020) wurden in die Entwurfsfassung der MVV TB 2021/1 aufgenommen, nach Notifizierung und Veröffentlichung der Endfassung können die Länder sie baurechtlich einführen. Dank Fortschritts der Überarbeitung der Teile 3, 4 und 5 kann 2022 mit Veröffentlichung der DIN‐Entwürfe gerechnet werden. Änderungen sind begründet in der Novellierung des Bauordnungsrechts, dem Fortschritt der Forschung sowie des Stands der Technik. Zu nennen sind beispielsweise die Aufnahme von Senkkopfhaltern mit Erweiterung des vereinfachten Berechnungsverfahrens, Überarbeitung und Ausweitung der geregelten Kategorien absturzsichernder Verglasungen mit größerer Konsistenz bezüglich der Nachweisführung. Ein neuer Anhang zur Regelung von Ganzglasanlagen ermöglicht, weit verbreitete Anwendungen aus dem Graubereich zu holen.Update on standardization work of glass design code in Germany. DIN 18008‐1 and ‐2 (2020) have been included in the draft version of MVV TB 2021/1; after notification and publication of the final version, the federal states can introduce them in terms of building legislation. Thanks to progress in the revision of parts 3, 4 and 5, publication of the DIN drafts can be expected in 2022. Changes are due to the revision of the building legislation, the progress of research and the state of the art. These include, for example, the inclusion of countersunk point fixings with extension of the simplified calculation procedure, revision and extension of the regulated categories of barrier glazing with greater consistency in terms of verification. A new annex on the regulation of all‐glass systems enables widespread applications to be taken out of the shadows.
Berechnung von punktgestützten Verglasungen mit Senkkopfhaltern
Authors: Menkenhagen Jochen , Lama Prasantha 
Published: July 2022

AbstractNach jetzigem Stand ist die Berechnung punktgestützter Verglasungen nach dem vereinfachten Verfahren der DIN 18008‐3 auf zylindrische Bohrungen mit Tellerhaltern beschränkt. Flächenbündige Senkkopfhalter mit konischer Bohrung im Glas werden nicht berücksichtigt. In der Praxis wird in der Regel der Nachweis solcher Verglasungen über komplexe numerische Berechnungen oder durch Versuche erbracht. Um diese zuletzt genannten Punkte zu umgehen, wird in diesem Beitrag die Erweiterung des vereinfachten Verfahrens zur Berechnung von punktgestützten Verglasungen mit Senkkopfhaltern aufgezeigt.Calculation of point‐supported glazing with countersunk head supports. On the current status, the calculation of point‐supported glazing according to the simplified method of DIN 18008‐3 is limited on cylindrical bores with plate holders. Flush countersunk head supports with a conical bore in the glass are not considered. In practice, verification of such glazing is usually provided through complex numerical calculations or tests. In order to avoid these last‐mentioned points, the extension of the simplified procedure for the calculation of point‐supported glazing with countersunk head supports is shown in this article.
Retrofitted Building Skins – Energetische Optimierung der Gebäudehülle im Bestand
Authors: Albus Jutta , Rehnig Lena 
Published: July 2022

AbstractUm das Klimaziel der Bundesregierung zu erreichen, gilt die energetische Optimierung im Gebäudesektor als eine übergeordnete Aufgabe, die nicht nur die Erstellung neuer Gebäude, sondern auch die Ertüchtigung des Gebäudebestands betrifft. Gegenstand der Forschungs‐ und Lehrtätigkeiten des Lehrgebiets bilden Entwurfsentwicklungen, die durch innovative Gebäudehüllen und Fassadentechnologien einen nachhaltigen und ressourcenschonenden Beitrag auch für den hohen Anteil von Bestandsgebäuden leisten. Sanierungs‐ und Instandhaltungsmaßnahmen werden vor dem Hintergrund energetischer Optimierungsstrategien, nachhaltiger Gebäudekonzeption und ressourcenschonendem Materialeinsatz entwickelt und fokussieren dabei aktive und passive Maßnahmen. Dabei soll insbesondere der Anteil von bestehenden Büro‐ und Verwaltungsbauten betrachtet werden, der neben dem Wohngebäudebestand ein erhebliches Potential zur Reduzierung von CO2‐Emissionen aufzeigt.Retrofitted Building Skins – energetic optimization of the building envelope of existing buildings. In order to adapt to the Federal Government's Climate Action Programme, energy optimization in the building sector is considered an important task that not only affects the construction of new buildings, but also the renovation of existing building stock. The research and teaching activities of the junior professorship focus on architectural design developments that follow sustainable and resource‐saving parameters by implementing innovative building skins and facade technologies to improve the energetic building performance. Renovation and maintenance methods are developed against the background of energy optimization strategies, sustainable building design and resource‐efficient use of materials, focusing on the implementation of active and passive measures. This paper emphasizes the proportion of existing office and administrative buildings, which, in addition to the residential building stock, have considerable potential to reduce CO2 emissions.
Spannungsoptische Untersuchungen an polymeren Zwischenschichten in Verbundgläsern
Authors: Dix Steffen , Efferz Lena , Hiss Stefan , Schuler Christian , Kolling Stefan 
Published: July 2022

AbstractDie im thermischen Vorspannprozess induzierten Eigenspannungen verursachen unter polarisiertem Licht Anisotropie‐Effekte im Glas. Derzeit beschränkt sich die Kontrolle dieser Anisotropien, welche als optische Gangunterschiede quantifiziert werden, auf Einzelgläser. In dieser Studie werden erstmals spannungsoptische Untersuchungen an Verbundgläsern durchgeführt. Im Zugversuch wird die spannungsoptische Konstante von PVB und SG ermittelt und in Gangunterschiedsmessungen die Auswirkung des Verbundprozesses analysiert. Die Ergebnisse zeigen, dass ein Unterschied zwischen den Polymeren hinsichtlich ihrer spannungsoptischen Eigenschaften besteht und dass durch die Folie eine Erhöhung der Gangunterschiedswerte im Verbundglas feststellbar ist.Investigation of polymeric interlayers in laminated glass using photoelasticity. The residual stresses induced in the thermal toughening process cause so‐called anisotropy effects in the glass under polarized light. Currently, the control of anisotropies, which are quantified as optical retardation, is limited to monolithic glass. In this study, for the first time, photoelastic studies are performed on laminated glass panes. The photoelastic constant of PVB and SGP interlayers is determined in tensile tests, and the effect of the lamination process is analyzed in retardation measurements. The results show that there is a difference between the interlayers with respect to their photoelastic properties and that an increase in the retardation values in the laminated glass was detectable due to the insertion of the polymer film.
Punktgehaltene Gläser mit geringem Bohrungsrandabstand
Authors: Efferz Lena , Dix Steffen , Schuler Christian 
Published: July 2022

AbstractIn der Praxis wird der Abstand vom Bohrungsrand zur Glaskante nach DIN 18008‐3 bei punktgehaltenen Verglasungen häufig unterschritten, sodass nach Norm nur die Festigkeit des Basisglases angesetzt werden darf. Gemäß aktuellen Untersuchungen werden die Verteilung der Eigenspannungen und die charakteristische Biegefestigkeit bei Verringerung des Randabstandes zur Bohrung nicht relevant beeinträchtigt. Dies kann auch anhand eines Praxisbeispiels einer Aufzugverglasung aus ESG mit randnahen Bohrungen verifiziert werden. Hier wird mit spannungsoptischen Messungen die Vorspannqualität des Glases untersucht. Abschließend werden Bruchspannungen aus verschiedenen zerstörenden Versuchen an randnahen Bohrungen miteinander verglichen.Point‐supported glasses with small distance from hole to edge from the point of view of science and application. In point‐fixed glazing, the distance from the hole to the edge according to the German standard DIN 18008 is often undercut. So that according to the standard, only the strength of the base glass can be applied. Current investigations show that the distribution of residual stresses and the characteristic bending strength are not significantly affected by reducing the distance from edge to hole. This is verified by means of a field example of a lift glazing with holes close to the edge in toughened safety glass. Here, the pre‐stressing quality of the glass is examined with photoelastic measurements. Finally, fracture stresses from various destructive tests on holes near the edges are discussed.
Das mechanische Verhalten von Vakuumisoliergläsern unter Windbelastung
Authors: Schulz Isabell , Paschke Franz , Kocer Cenk , Schneider Jens 
Published: July 2022

AbstractDas Interesse an Vakuumisolierglas (VIG), einer thermisch optimierten und dünneren Alternative zu herkömmlichen Mehrscheibenisoliergläsern, wächst. Während die jahrelange Optimierung der bauphysikalischen Eigenschaften bereits dazu führt, dass heute Ug‐Werte von unter 0,4 W/(m2K) erreicht werden können, fehlen für das mechanische Verhalten dieser Glaskomponenten hinreichende Bemessungsansätze, die den sicheren Einsatz von VIGs in Fenster‐ und Fassadensystemen gewährleisten. Insbesondere Windlasten werden in der Literatur in diesem Kontext nur selten behandelt. In Form einer FE‐Analyse sollen Einflüsse verschiedener Design‐Parameter auf das mechanische Verhalten von VIGs unter Windbelastung aufgezeigt werden. Anschließend werden diese in den Kontext der deutschen Glasbaunorm DIN 18008 und der Windlastnorm nach DIN EN 1991‐1‐4:2010 gestellt und bewertet.Numerical investigation of the mechanical behavior of vacuum insulated glazing under wind load. Interest in vacuum insulated glazing (VIG), a thermally optimized and slim alternative to conventional multi‐pane insulating glass units, is growing. While years of research into thermal performance have already resulted in Ug values of less than 0.4 W/(m2K), there is a lack of sufficient design approaches for the mechanical behavior of these glass components to ensure the safe use of VIGs in window and facade systems. Especially wind loads are only rarely considered in this context. In the form of an FE analysis, influences of different design parameters on the mechanical behavior of VIGs under wind loading will be shown. The results will then be put into the context of the German standard for glass in buildings DIN 18008 and the wind load chapter of Eurocode 1.
Chronic biopsy proven post‐COVID myoendocarditis with SARS‐Cov‐2 persistence and high level of antiheart antibodies
Authors: Blagova Olga , Lutokhina Yuliya , Kogan Evgenia , Kukleva Anna , Ainetdinova Dilara , Novosadov Vladimir , Rud' Ruslan , Savina Polina , Zaitsev Alexander , Fomin Viktor 
Published: July 2022

AbstractPurposeTo study the clinical signs and mechanisms (viral and autoimmune) of myoendocarditis in the long‐term period after COronaVIrus Disease 2019 (COVID‐19).MethodsFourteen patients (nine male, 50.1 ± 10.2 y.o.) with biopsy proven post‐COVID myocarditis were observed. The diagnosis of COVID‐19 was confirmed by IgG seroconversion. The average time of admission after COVID‐19 was 5.5 [2; 10] months. An endomyocardial biopsy (EMB) of the right ventricle was obtained. The biopsy analysis included polymerase chain reaction diagnosis of viral infection, morphological, immunohistochemical (IHC) examination with antibodies to CD3, CD45, CD68, CD20, SARS‐Cov‐2 spike, and nucleocapsid antigens. Coronary atherosclerosis was ruled out in all patients over 40 years.ResultsThe new cardiac symptoms (congestive heart failure 3–4 New York Heart Association class with severe right ventricular involvement, various rhythm, and conduction disturbances) appeared 1–5 months following COVID‐19. Magnetic resonance imaging showed disseminated or focal subepicardial and intramyocardial late gadolinium enhancement, hyperemia, edema, and increased myocardial native T1 relaxation time. Antiheart antibodies levels were increased 3–4 times in 92.9% of patients. The mean left ventricular (LV) ejection fraction (EF) was 28% (24.5; 37.8). Active lymphocytic myocarditis was diagnosed in 12 patients, eosinophilic myocarditis in two patients. SARS‐Cov‐2 RNA was detected in 12 cases (85.7%), in association with parvovirus B19 DNA—in one. Three patients had also endocarditis (infective and nonbacterial, with parietal thrombosis). As a result of steroid and chronic heart failure therapy, the EF increased to 47% (37.5; 52.5).ConclusionsCOVID‐19 can lead to long‐term severe post‐COVID myoendocarditis, that is characterized by prolonged persistence of coronavirus in cardiomyocytes, endothelium, and macrophages (up to 18 months) in combination with high immune activity. Corticosteroids and anticoagulants should be considered as a treatment option of post‐COVID myoendocarditis.
The Characterization of Polysorbate
Authors: Zhang Sisi , Xiao Hui , Li Ning 
Published: July 2022

AbstractPolysorbates (PSs), including PS20 and PS80, are non‐ionic surfactants widely used in the pharmaceutical industry to enhance drug solubility and stability. Despite their wide application, PSs are prone to degradation by either hydrolysis or oxidation in drug formulations during storage; therefore, a PS characterization method assessing protein products is needed for stability testing and for understanding the degradation pathway. In this article, we detail our protocol for sample preparation for forced degradation study and our instrumentation setup for PS profiling and quantitation in protein samples. © 2022 Wiley Periodicals LLC.Basic Protocol 1: Sample preparation for forced degradation of polysorbate in protein samplesBasic Protocol 2: Two‐dimensional liquid chromatography coupled with charged aerosol detector or mass spectrometry to analyze polysorbate degradation
Cancer‐associated fibroblast‐derived exosomal microRNA‐20a suppresses the PTEN/PI3K‐AKT pathway to promote the progression and chemoresistance of non‐small cell lung cancer
Authors: Shi Lin , Zhu Weiliang , Huang Yuanyuan , Zhuo Lin , Wang Siyun , Chen Shaobing , Zhang Bei , Ke Bin 
Published: July 2022

AbstractBackgroundCancer‐associated fibroblasts (CAFs) contributes to overall tumor progression. In the current survey, we explored the ability of microRNA‐20a (miR‐20a) within these CAF‐derived exosomes to influence non‐small‐cell lung cancer (NSCLC) progression.Materials and methodsNormal tissue‐associated fibroblasts (NAFs) and CAFs were collected from samples of NSCLC patient tumors and paracancerous lung tissues. Exosomes derived from these cells were then characterized via Western blotting, nanoparticle tracking analyses, and transmission electron microscopy. The expression of miR‐20a was assessed via qPCR and fluorescence in situ hybridization (FISH). CCK‐8, EdU uptake, and colony formation assessments were used for evaluating tumor proliferation, while Hoechst staining was performed to monitor the in vitro apoptotic death of tumor cells. A model of xenograft tumor established in nude mice was also used to evaluate in vivo tumor responses.ResultsCAF‐derived exosomes exhibited miR‐20a upregulation and promoted NSCLC cell proliferation and resistance to cisplatin (DDP). Mechanistically, CAF‐derived exosomes were discovered to transmit miR‐20a to tumor cells wherein it was able to target PTEN to enhance DDP resistance and proliferation. Associated PTEN downregulation following exosome‐derived miR‐20a treatment enhanced PI3K/AKT pathway activation.ConclusionThe achieved outcomes explain that CAFs can release miR‐20a‐containing exosomes capable of promoting NSCLC progression and chemoresistance, highlighting this pathway as a possible therapeutic target in NSCLC.
SEE‐MAC: Spectrum and energy efficient‐medium access control protocol for Internet of Things
Authors: Pandit Shweta , Kumar Alok , Thakur Prabhat , Singh Ghanshyam 
Published: July 2022

SummaryIn this paper, we have devised a method for spectrum‐and energy‐efficient wireless communication systems for the Internet of Things (IoT) devices that require continuous uninterrupted power for their operation. However, the potential application of the proposed scheme is vast and is relevant to any wireless communication systems deployed for the next generation connected systems that face challenges in spectrum availability and battery charging of the devices. To fulfill the demand of wireless devices, such as sensor nodes deployed in the IoT, we have proposed a spectral‐and energy‐efficient‐medium access control (SEE‐MAC) protocol with a radio‐frequency energy harvesting (EH) facility. The proposed protocol has integrated wireless power harvesting with cognitive sensor nodes to provide both the energy‐ and spectrum‐efficient wireless communication system. In the proposed SEE‐MAC, the cognitive sensor nodes take the advantage of both the idle and active licensed channels of the primary network for data transmission and EH. The proposed system identifies the active licensed channel of the network to be allotted to each cognitive sensor node for EH and idle channel recognition for data transmission. The mathematical analysis has also been performed representing allocation of primary user channels for the EH and data transmission. The closed‐form expressions obtained along with simulation results have illustrated the amount of harvested energy, throughput, and energy efficiency achieved by the cognitive sensor nodes of the network.