bluuebunny/crossref_metadata_2025_split huggingface dataset:
Two common pitfalls in the analysis of water‐stable isotopologues with cryogenic vacuum extraction and cavity ring‐down spectroscopy
Authors: Haberstroh Simon , Kübert Angelika , Werner Christiane 
Published: January 2024

AbstractWater stable isotopologue analysis is widely used to disentangle ecohydrological processes. Yet, there are increasing reports of measurement uncertainties for established and emerging methods, such as cryogenic vacuum extraction (CVE) or cavity ring‐down spectroscopy (CRDS). With this study, we investigate two pitfalls, that potentially contribute to uncertainties in water‐stable isotopologue research. To investigate fractionation sources in CVE, we extracted pure water of known isotopic composition with cotton, glass wool or without cover and compared the isotopologue results with non‐extracted reference samples. To characterise the dependency of δ2H and δ18O on the water mixing ratio in CRDS, which is of high importance for in‐situ applications with large natural variations in mixing ratios, we chose samples with a large range of isotopic compositions and determined δ2H and δ18O for different water mixing ratios with two CRDS analysers (Picarro, Inc.). Cotton wool had a strong fractionation effect on δ2H values, which increased with more 2H‐enriched samples. δ2H and δ18O values showed a strong dependency on the water mixing ratio analysed with CRDS with differences of up to 34.5‰ (δ2H) and 3.9‰ (δ18O) for the same sample at different mixing ratios. CVE and CRDS, now routinely applied in water stable isotopologue research, come with pitfalls, namely fractionation effects of cover materials and water mixing ratio dependencies of δ2H and δ18O, which can lead to erroneous isotopologue results and thus, invalid conclusions about (ecohydrological) processes. These practical issues identified here should be reported and addressed adequately in water‐stable isotopologue research.
Surface‐modified NiFe2O4 nanoparticles for the production of biodiesel from fatty acids and microalgae lipids Dunaliella salina
Authors: Pandey Manisha , Kumar Neeraj , Prasad Nitesh , Asthana Ravi Kumar , Ranganath Kalluri V. S. 
Published: January 2024

Development of a new and sustainable catalyst is necessary to the society for providing economical technology. Surface modification of nanometal oxides is one of the rapidly growing methods for developing a sustainable catalyst with attractive properties than their parent oxide. In this work, surface‐modified nickel ferrites have been carried out using 4,4′‐biphenyldisulfonic acid (BPDSA) as the linker. Thus, obtained modified material has been characterized using different techniques such as DLS, FT‐IR, TGA, XRD, VSM, and XPS. This well‐characterized, stable, robust, recyclable material offers a good conversion in the fatty acid, that is, oleic acid esterification in the presence of methanol in a short period of time (3.0 h). Based on the kinetic study in the oleic acid esterification, it fits in the pseudo first‐order kinetics, and activation energy was found to be 60.0 kJ/mol. Further, the potentiality of our catalyst was also tested in the transesterification of various raw materials like mustard oil, olive oil, almond oil, and neem oil. In addition, it provides an excellent conversion with microalgae lipid extraction for the production of biodiesel. The kinematic viscosity of the methyl oleate (biodiesel) has been found to be 5.0426 mm2/s at 25°C whereas the dynamic viscosity is 6.0511 mPa, which is nearly the same as biodiesel obtained from Dunaliella salina, microalgae lipid.
Further analysis of stabilization of neutral type singular systems with mixed time‐varying delays and multiple random states
Authors: Yi Shuai , Lu Hongqian , Wang Renren 
Published: January 2024

AbstractIn this paper, the stabilization problem of neutral type singular systems (NTSSs) with mixed time‐varying delays and multiple random states is further analyzed. Lyapunov Krasovskill functional (LKF) and generalized Itô formula, together with linear matrix inequality (LMI), are used to represent a new stability criterion for NTSSs with mixed time‐varying delays (MTVDs) in multiple random states. First, the regularity, impulse free, and stochastic stability of the system are satisfied by designing a state feedback controller (SFC). Second, on the basis of Leibniz Newton formula, the stability criterion is also feasible by integrating zero value equation technology, and then combined with singular decomposition, the gain of SFC is obtained. Finally, our paper is a further analysis of the latest literature, so two numerical examples are used to verify the feasibility and effectiveness of this method.
Adaptive anti‐windup output feedback control for nonlinear systems and its stability analysis
Authors: Yu Yongjie , Akaike Kota , Kunimatsu Sadaaki , Mizumoto Ikuro 
Published: January 2024

SummaryIn the practical application of adaptive control methods, a windup phenomenon for the systems with input saturation may occur because there exists an input restriction such as saturation of actuator in most actual systems due to physical reasons. In this paper, to alleviate the influence of the windup phenomenon by input saturation, we propose an output feedback exponentially passive (OFEP)‐based adaptive model recovery anti‐windup (AMRAW) control strategy for the stable nonlinear systems with input saturation. Moreover, in order to realize an augmented OFEP system for non‐OFEP nonlinear systems that do not satisfy the OFEP properties, a parallel feedforward compensator (PFC) is introduced, and a radial basis function (RBF) neural network (NN)‐based adaptive feedforward input is designed to attain accurate tracking performance for systems with the PFC. Furthermore, the detailed stability analysis of the proposed AMRAW control system is provided, and the performance of the proposed method is validated through appropriate numerical simulations.
Facial emotion recognition is associated with executive functions and depression scores, but not staging of dementia, in mild‐to‐moderate Alzheimer's disease
Authors: Buçgün İsmail , Korkmaz Şükrü Alperen , Öyekçin Demet Güleç 
Published: January 2024

AbstractBackgroundAlthough deficits in facial emotion recognition (FER) significantly affect interpersonal communication and social functioning, there is no consensus on how FER affects Alzheimer's disease (AD). In this study, we aimed to investigate the clinical and neuropsychological factors affecting the possible deficits in the FER abilities of patients with AD.MethodsThis cross‐sectional study included 37 patients with mild [clinical dementia rating (CDR) scale score = 1] or moderate (CDR = 2) AD, in whom vascular dementia and depression were excluded, and 24 cognitively normal (CDR = 0) subjects. FER ability was determined using the facial emotion identification test (FEIT) and facial emotion discrimination test (FEDT). All participants underwent mini‐mental state examination (MMSE), frontal assessment battery (FAB), and geriatric depression scale (GDS). The neuropsychiatric inventory‐clinician rating scale (NPI‐C), Katz index of independence in activities of daily living, and Lawton instrumental activities of daily living were also administered to patients with AD.ResultsThe FEIT and FEDT total scores showed that patients with mild and moderate AD had significant FER deficits compared to healthy controls. However, no significant difference was observed between patients with mild and moderate AD in the FEIT and FEDT total scores. FEIT and FEDT scores were not correlated with the MMSE and NPI‐C total and subscales scores in patients with AD. Linear regression indicated that FEIT and FEDT total scores were significantly related to age and FAB scores. The GDS score negatively moderated the relationship between FAB and FEDT.ConclusionsThis study demonstrated a decreased FER ability in patients with AD. The critical point in FER deficits is the presence of dementia, not the dementia stage, in AD. It has been determined that executive functions and depression (even at a subsyndromal level), which have limited knowledge, are associated with FER abilities.
Unveiling the Anticancer Mechanism of Echinops davuricus: Isolation and Evaluation of AKR1B10 Inhibitors
Authors: Sun Na , Ma Shuo , Jin Linxuan , Wang Yujing , Zhou Caihong , Zhang Xin , Kang Huanhuan , Yuan Yuhan , Zhang Yu , Yang Huanhuan , Zhou Miao , Shu Penghua 
Published: January 2024

AbstractFive compounds (1–5), one long‐chain fatty acid (1), two thiophenes (2 and 3), one alkaloid (4), and one phenyl ester (5), were isolated from the aerial part of Echinops davuricus. The structures of the products were established by performing detailed nuclear magnetic resonance (NMR) analysis, and the structure of compound 1 was determined via high‐resolution electrospray ionization mass spectrometry (HRESIMS) and NMR. Compounds 1, 4, and 5 were isolated from Echinops davuricus for the first time. Based on network pharmacology methods, AKR1B10 was selected as a key anticancer target. Compounds 1 and 5 exhibited significant AKR1B10 inhibitory activities, with IC50 values of 156.0±1.00 and 146.2±1.50 nM, respectively, with epalrestat used as the positive control (81.09±0.61 nM). Additionally, the interactions between the active compounds and AKR1B10 were evaluated via molecular docking. Ultimately, the GO and KEGG enrichment analysis indicated that the key signaling pathways associated with the active compounds may be related to the PI3K‐Akt, MAPK, apoptotic, cellular senescence, and TNF signaling pathways and the human diseases corresponding to the targets are cancer. Our study reveals for the first time the anticancer properties of Echinops davuricus and provides a comprehensive understanding of its application in traditional medicine.
Prior roasting of wheat impacts on the functionality of flour prepared from it: Part 1. Wheat flour viscosifying properties
Authors: van Rooyen Jana , Delcour Jan A. , Oyeyinka Samson A. , Simsek Senay , Kidd Martin , Manley Marena 
Published: January 2024

AbstractBackground and ObjectivesDry thermal treatment of wheat modifies the properties of wheat and of flour prepared from it. The objective of this study was to investigate the effect of wheat roasting on microstructural properties of wheat grains using confocal laser scanning, X‐ray diffraction (XRD), and scanning electron microscopy (SEM) techniques. The impact of roasting on the damaged starch contents, the solvent retention capacity profiles, and the pasting properties of the resulting flour prepared from roasted wheat were also studied.FindingsResponse surface models predicted wheat roasting at 115°C and 65 Hz (165 s) to enhance flour viscosifying properties. Roasting before milling resulted in grain puffing, slight damage to the starch granule surface, and destruction of the protein matrix, as observed using SEM. XRD analysis revealed that amylose–lipid complexation had occurred. As a result of roasting, the peak, hot paste, and final viscosities of flour from roasted wheat were significantly (p ≤ .05) higher than those of flour produced from control wheat.ConclusionsRoasting induces structural changes in wheat. Flour produced from roasted wheat can be used to produce gel structures with increased viscosities.Significance and NoveltyDry thermal treatment improves the viscosifying properties of flour milled from roasted wheat.
Achieving Visible‐Light‐Excitable Blue TADF‐Type Afterglow via Delicate Control of Excited States in Difluoroboron β‐Diketonate Systems
Authors: Chen Xuefeng , Wang Guangming , Piao Xixi , Zhang Kaka 
Published: January 2024

AbstractBlue afterglow constitutes of one of the primary afterglow colors and can convert into other afterglow colors through energy transfer. The reported studies show the fabrication of blue afterglow emitters, but most of them are formed by room‐temperature phosphorescence mechanism and require UVB lights as excitation source (these high‐energy lights may damage organic systems). Here we report visible‐light‐excitable blue thermally activated delayed fluorescence type (TADF‐type) afterglow materials via delicate control of excited states in difluoroboron β‐diketonate (BF2bdk) systems. Tiny change of the substituents in BF2bdk system has been found to pose significant influence on excited state energy levels and consequently narrow the singlet‐triplet splitting energy of the system. As a result, both forward and reverse intersystem crossing have been accelerated, leading to the emergence of BF2bdk's TADF‐type organic afterglow in rigid crystalline matrices. The resultant TADF‐type afterglow materials exhibit emission lifetimes of several hundred milliseconds, photoluminescence quantum yield (PLQY) of 24.7 % and display temperature responsive property.
The provenance of a turbidite system within a tectonically active wrench basin: Insights from heavy mineral characteristics of Miocene sandstones in the Tabernas Basin, south‐east Spain
Authors: McGill Paula , Milne Alex W. , Morton Andrew , Williams Gwyd 
Published: January 2024

AbstractThis paper provides insight into the provenance of the Late Miocene turbidite succession of the Tabernas Basin. Although this area has been extensively studied, only limited attention has been paid to sediment provenance. Through heavy mineral analysis, it has been possible to identify provenance‐related signatures from the adjacent Sierra de los Filabres and Sierra Alhamilla uplifts. Stable mineral ratio data confirm that the Sierra de los Filabres provided sediment with generally higher chloritoid:tourmaline and higher Type Bii garnet abundances than those derived from the Sierra Alhamilla. By comparison, modern sediments derived from the Sierra Alhamilla have garnet compositions with larger proportions of Types A and C, suggesting that the basinal sediments were not sourced from the incipient Sierra Alhamilla Uplift. Heavy mineral analysis confirms that the Sierra de los Filabres was the primary source for the Tabernas succession, with minor variations indicating that the erosive part of the system migrated across the uplift. Input was predominantly from the Nevado–Filábride Complex, with minor amounts from the small remnant of the Alpujarride Complex attached to the southern margin of the Sierra de los Filabres. Evidence strongly suggests a single sediment routing system but identifies some subtle provenance variations. In particular, there was a shift in detrital garnet composition between the Sartenella Formation and the Verdelecho Formation, Solitary Channel and El Gordo Megabed, which is attributed here to a shift in catchment within the Sierra de los Filabres. This shift appears to have occurred during the deposition of the Sartenella Formation, since the garnet compositions of the Verdelecho Formation and Solitary Channel are similar to each other and differ from the preceding part of the Sartenella Formation. The Solitary Channel displays marked heterogeneities in provenance character, manifested by changes in chloritoid abundance, consistent with previous studies that suggest the depositional architecture in the channel was influenced by high‐frequency changes in sediment flux and sea level.
Examining clinicians' perceptions and experiences working with diverse families in family‐based treatment: Common adaptations and considerations for treatment engagement
Authors: Dimitropoulos Gina , Singh Manya , Sauerwein Jessica , Pedram Pardis , Kimber Melissa , Pradel Martin , Eckhardt Sarah , Forsberg Sarah , Keery Helene , Allan Erica , Bruett Lindsey , Le Grange Daniel 
Published: January 2024

AbstractObjectiveFamily‐Based Treatment (FBT) is the leading manualized treatment for adolescent eating disorders; however, there is limited research on the adaptation of FBT for diverse families (i.e., families belonging to identity groups subject to systemic barriers and prejudices). The purpose of this qualitative study was to address: (1) adaptations made to the FBT model (if any) by clinicians working with diverse youth and families; (2) the barriers/facilitators of maintaining adherence (fidelity) to the model for these families; and, (3) the barriers/facilitators to access and engagement in FBT for diverse families.MethodForty‐one FBT clinicians were recruited globally using purposive and snowball sampling, and listservs from eating disorder networks. Clinicians participated in individual interviews or focus groups, discussing their experiences delivering and adapting FBT for diverse families. Qualitative data was transcribed verbatim and analyzed using directed content analysis.ResultsSome participants reported making adaptations to every phase of the FBT model, while others did not, when working with diverse families. In Phase 1, participants cited adapting the family meal, length/number of sessions provided, and addressed systemic barriers. In Phase 2, participants adapted the length of the phase and rate/level of independence given back to the adolescent. In Phase 3, participants increased or decreased the number of sessions, or eliminated this phase to address barriers to engagement in FBT.DiscussionThis is the first study to qualitatively examine clinicians' experiences of implementing FBT with diverse families. Results may inform future FBT planning, clinician training, clinical decision‐making tools, and opportunities for modifications to the foundational model.Public SignificanceThis qualitative study examined clinicians' perceptions and experiences implementing FBT with diverse families, specifically what adaptations (if any) were made to the foundational model, and the barriers and facilitators to adhering to and engaging in the model. Results show that some participants reported making adaptations to every phase of FBT, while others did not, with diverse families. Findings may inform future treatment planning, clinician training, clinical decision‐making tools, and potential modifications to FBT.
Evaluation of the impact of olive milling on the mineral oil contamination of extra‐virgin olive oils
Authors: Menegoz Ursol Luca , Moret Sabrina 
Published: January 2024

AbstractMineral oil saturated (MOSH) and aromatic hydrocarbons (MOAH) are environmental and processing contaminants also found in extra‐virgin olive oil. Knowledge on contamination sources can help minimize them. The main objective of this work was to investigate the impact of milling operations. To this purpose, samples from 25 processing lines (at 5 different processing stages) were analyzed by online high‐performance liquid chromatography—gas chromatography—flame ionization detection. A protocol for eliminating endogenous n‐alkanes was tested and applied when necessary. Generally, transport to the mill had a negligible impact. The washing step had a mitigation impact, more evident on samples with higher contamination. On average, total MOSH decreased of 2.1 mg kg–1. Despite the reduction determined by washing, the entire milling process resulted in an increase in contamination (> 30%) for 20% of the processing lines. Total average MOSH and MOAH contamination increased by 2.3 and 0.6 mg kg–1, respectively.Practical Applications: This work aims to improve the knowledge on the presence and sources of mineral oil hydrocarbons (MOH), contaminants of petrogenic origin, in extra‐virgin olive oil. In particular, this work investigates the impact of processing at the mill, including the transport stage, as well as the potential of the washing step in reducing the contamination. For the first time, a systematic study on this topic has been carried out. The knowledge of the contribution of individual steps in the production process to final product contamination is of paramount importance in identifying critical points on which to take action to mitigate contamination, and this is of great interest for all operators of the sector and for protecting consumer health, especially when considering possible presence of MOAH, which may include genotoxic and carcinogenic compounds.
A Comparative Kinetic and Computational Investigation of the Carbon‐Sulfur Cross Coupling of Potassium Thioacetate and 2‐Bromo Thiophene Using Palladium/Bisphosphine Complexes
Authors: Peschtrich Sebastian , Schoch Roland , Kuckling Dirk , Paradies Jan 
Published: January 2024

AbstractWe conducted an investigation into the palladium‐catalyzed carbon‐sulfur cross‐coupling reaction involving a 2‐bromothiophene derivative and potassium thioacetate as a substitute for hydrogen sulfide. This investigation utilized kinetic and computational methods. We synthesized two palladium complexes supported by the bisphosphane ligands bis(diphenylphosphino)ferrocene (DPPF) and bis(diisopropylphosphino)ferrocene (DiPPF), as well as their tentative intermediates in the catalytic cycle. Reaction rates were measured and then compared to computational predictions.
An investigation of the shelf life of cold brew coffee and the influence of extraction temperature using chemical, microbial, and sensory analysis
Authors: Lopane Samuel N. , McGregor John U. , Rieck James R. 
Published: January 2024

AbstractThe shelf‐life of cold and hot water extraction coffees based on sensory and chemical profiles and microbial growth was examined, which also allowed the study of the influence of extraction temperature on the chemical and sensorial profiles of coffee. The shelf life of refrigerated cold‐ and hot‐brewed coffee was limited not by microbial stability but rather by deterioration in sensory attributes. Further work is recommended to elucidate the mechanisms of coffee staling in a refrigerated environment, with particular interest in the degradation products of chlorogenic acid, as a significant decline in chlorogenic acid concentration was found over the storage period. Cold‐extracted coffees were found to be chemically and sensorially different beverages from coffees extracted at high temperatures. Additionally, the cold‐brewed coffees had greater sensory flavor stability over the storage time than the hot‐brewed treatment.Practical applicationThis study advances the industry's understanding of the shelf life of ready‐to‐drink bottled cold coffees and demonstrates that lower brewing temperatures lead to greater flavor stability over shelf life. The findings also provide brewing parameters that can help guide product developers in modulating the flavor of commercial cold coffees.