bluuebunny/crossref_metadata_2025_split huggingface dataset:
Reports of Pennellidae Burmeister, 1835 (Copepoda: Siphonostomatoida) post metamorphosed females off the coast of southern Africa
Authors: Sebone Makwena M. , Dippenaar Susan M. 
Published: April 2024

AbstractSeven species belonging to Pennellidae are reported from marine teleosts caught off southern Africa. Additionally, complete re-descriptions are provided for Propeniculus stromatei and Sarcotretes scopeli. Examination of Lernaeenicus gonostomae, deposited in the Iziko South African Museum, indicated that it has the morphological features of Sarcotretes rather than Lernaeenicus and thus should be moved to Sarcotretes i.e. S. gonostomaen. comb. for which a re-description is also provided. Reports of new host records include those of Pennella instructa from Seriola lalandi; Propeniculus stromatei from Rhabdosargus holubi and Pomadasys commersonnii; Sarcotretes scopeli from Nansenia tenera, and Sarcotretes longirostris from Centrolophus niger. New geographical records include those of P. instructa, P. stromatei, S. scopeli, S. longirostris, and L. longiventris off southern Africa. Additionally, an attempt to estimate the evolutionary relationships amongst some genera is done from partial COI sequences deposited in Genbank.
Principal component analysis of phenotypic and breeding value data for semen traits in Egyptian buffalo bulls
Authors: Amin Amin M S , Salem Mohamed M I , Ashour Ayman F , EL Nagar Ayman G 
Published: April 2024

AbstractBuffalo bull semen traits are economically important traits that influence farm fertility and profitability. Genetic improvement of semen characteristics is an important detail of the genetic improvement. This study was conducted to assess the relationship between the breeding values as well as the phenotypic values for semen traits (VOL, MM, LS, AS and CONC) of the Egyptian buffalo bulls. A total of 7761 normal semen ejaculates were collected and characterized at ILMTC laboratory from 26 bulls from 2009 to 2019. For VOL, MM, LS, AS, and CONC, the actual means were 3.89 mL, 62.37%, 60.64%, 3.94%, and 0.67 × 109 sperm/mL, respectively. The prediction of breeding values for semen traits was estimated using a Bayesian procedure. The estimated standardized EBVs and phenotypic values were used in the principal component analysis (PCA). Of five PCs, one PC (PC1) had > 1 eigenvalues that was responsible for 87.19% of the total variation of SEBV, and two PCs had > 1 eigenvalues that were responsible for 59.61% and 21.35% of the total variation of the phenotypic values. Together, PC1 and PC2 accounted for 97.97% of the total variance of SEBV and 80.96% of the total variance of phenotypic values. A graphs of the first two components showed the traits separated into two different directions by group. This indicates each group was under similar genetic influence. Therefore, selection can be done separately for each group without influencing the other. Principal component analysis reduced variables to describe the key information in buffalo semen data.
Recent progresses in analytical method development for 210Pb in environmental and biological samples
Authors: Ren Hong , Gong Xinyu , Zhou Lei , Wang Peng , Cao Yiyao 
Published: April 2024

AbstractAs a decay product of uranium series, 210Pb spreads widely in the nature and imposes strong radiological and chemical toxicity. It is vital to establish reliable and efficient radioanalytical methods for 210Pb determination to support environment and food radioactivity monitoring programs. This article critically reviews analytical methods developed for determining 210Pb in environmental and biological samples, especially new development in recent years. Techniques applied throughout different analytical steps including sample pretreatment, separation, purification, and detection are summarized and their pros and cons are discussed to provide a holistic overview for 210Pb environmental and biological assay.
Körperliches Erinnern im Krisenmodus. Pandemiebedingte Veränderungen im Selbst- und Weltverhältnis junger Erwachsener
Authors: Haag Hanna , Oswald Sascha 
Published: April 2024

ZusammenfassungDer Beitrag geht der Frage nach, wie sich die COVID-19-Pandemie auf Körperpraktiken des Alltags und damit auch auf das Welt- und Selbstverhältnis junger Menschen auswirkt. Dabei steht implizites, in Alltagshandlungen eingespeistes Körperwissen im Zentrum der Betrachtung. Ausgangspunkt ist die Beobachtung, dass die Pandemie als Krisenerfahrung zu einem Konflikt im Prozess des Erinnerns als gegeben vorausgesetzter Praktiken führt. Wir gehen davon aus, dass die Pandemie das non-deklarative Gedächtnis mit Passungsdefiziten konfrontiert und somit zur Explikation und Reflexion des Gewohnten als „taken for granted“ im Erinnerungsprozess führt. Erinnert wird ein Soll-Zustand im Abgleich mit dem gegenwärtig-situativen Ist-Zustand, der leiblich-affektiv bzw. atmosphärisch als Bruch oder Entfremdung erfahren wird. Zentral sind dabei sowohl der individuelle, erinnernde Leib als auch die kollektiv-praktische „Verstrickung von Körpern“. Mit theoretischen Bezügen zur exzentrischen Positionalität (Plessner 1982), zur Resonanztheorie (Rosa 2016) und zur neuen Phänomenologie (Schmitz 1965) gehen wir anhand unseres empirischen Materials aus zwei explorativen Studien (Frankfurt am Main, Hildesheim) darauf ein, inwiefern das, was vormals als kollektiv geteilte Norm und Normalität galt, auch körperlich-performativ hinterfragt und im Prozess des Erinnerns neu ausgehandelt werden muss. Narrative wie „die Stunde Null“ bilden semantisch eine Auseinandersetzung mit der konflikt- und problemhaft gewordenen Alltagsrealität ab, in der Körperlichkeit eine kollektive Irritation erfährt – nicht nur im „Denken wie üblich“, sondern auch im „Sein wie üblich“ (Schütz 1971).
Restrictive Lipschitz continuity, basis property of a real sequence, and fixed-point principle in metrically convex spaces
Authors: Matkowski Janusz 
Published: April 2024

AbstractA mapping T of a metric space $$\left( X,d\right) $$

X
,
d

into a metric space $$ \left( Y,\rho \right) $$

Y
,
ρ

is called restrictive Lipschitz if there exist: a positive decreasing to zero sequence $$\left( t_{n}:n\in \mathbb {N} \right) $$

t
n

:
n
∈
N

and a nonnegative sequence $$\left( L_{n}:n\in \mathbb {N}\right) ,$$

L
n

:
n
∈
N

,

with $$L:=\liminf _{n\rightarrow \infty }L_{n}<\infty ,$$

L
:
=

lim inf

n
→
∞

L
n

<
∞
,

such that for all $$ x,y\in X,$$

x
,
y
∈
X
,

$$n\in \mathbb {N}$$

n
∈
N

$$\begin{aligned} d\left( x,y\right) =t_{n}\Longrightarrow \rho \left( Tx,Ty\right) \le L_{n}t_{n}\text {.} \end{aligned}$$

d

x
,
y

=

t
n

⟹
ρ

T
x
,
T
y

≤

L
n

t
n

.

Using a basis property of the sequence $$\left( t_{n}:n\in \mathbb {N}\right) $$

t
n

:
n
∈
N

(Lemma 1), we prove that if T is a continuous and restrictive Lipschitz mapping of a complete metrically convex space $$\left( X,d\right) $$

X
,
d

into a metric space $$\left( Y,\rho \right) ,$$

Y
,
ρ

,

then T is Lipschitz continuous with the constant L, that is $$\begin{aligned} \rho \left( Tx,Ty\right) \le Ld\left( x,y\right) , \quad x,y\in X, \end{aligned}$$

ρ

T
x
,
T
y

≤
L
d

x
,
y

,

x
,
y
∈
X
,

and, in the case when the set $$\left\{ n\in \mathbb {N}:L_{n}<L\right\} $$

n
∈
N
:

L
n

<
L

is infinite, even essentially more, namely $$\begin{aligned} \rho \left( Tx,Ty\right) \le L\alpha \left( d\left( x,y\right) \right) , \quad x,y\in X, \end{aligned}$$

ρ

T
x
,
T
y

≤
L
α

d

x
,
y

,

x
,
y
∈
X
,

where the function $$\alpha :\left[ 0,\infty \right) \rightarrow \left[ 0,\infty \right) $$

α
:

0
,
∞

→

0
,
∞

is continuous, increasing, concave (so subadditive) and such that $$\alpha \left( t\right) <t$$

α

t

<
t

for all $$t>0$$

t
>
0

. This result leads to the following fixed-point principle: Every continuous selfmapping T of a nonempty metrically convex complete metric space $$ \left( X,d\right) $$

X
,
d

that is restrictive Lipschitz with a sequence $$\left( L_{n}:n\in \mathbb {N}\right) ,$$

L
n

:
n
∈
N

,

such that$$\ 0\,\le L_{n}<1\ (n\in \mathbb {N) }$$

0

≤

L
n

<
1

(
n
∈

N
)

and $$\liminf _{n\rightarrow \infty }L_{n}\le 1,$$

lim inf

n
→
∞

L
n

≤
1
,

has a unique fixed point, and either it is a Banach contraction, or there is an increasing concave function $$\alpha :\left[ 0,\infty \right) \rightarrow \left[ 0,\infty \right) $$

α
:

0
,
∞

→

0
,
∞

, such that $$\alpha \left( t\right) <t$$

α

t

<
t

for $$t>0$$

t
>
0

and $$\begin{aligned} d\left( Tx,Ty\right) \le \alpha \left( d\left( x,y\right) \right) , \quad x,y\in X. \end{aligned}$$

d

T
x
,
T
y

≤
α

d

x
,
y

,

x
,
y
∈
X
.

Some applications of these results to the theory of iterative functional equations are proposed.
Abrasive waterjet machining of titanium alloy using an integrated approach of taguchi-based passing vehicle search algorithm
Authors: Fuse Kishan , Vora Jay , Wakchaure Kiran , Patel Vivek K. , Chaudhari Rakesh , Saxena Kuldeep Kumar , Bandhu Din , Ramacharyulu D. Atchuta 
Published: April 2024

AbstractThe titanium alloy, Ti6Al4V, is a popularly used material in aerospace and medical applications due to its specific attributes, such as excellent strength-to-weight ratio and resistance to corrosion. Ti6Al4V is challenging to machine using conventional methods due to its poor thermal conductivity, which necessitates the use of unconventional machining methods like abrasive water jet machining (AWJM). In this work, AWJM was preferred for machining Ti6Al4V, considering three key process variables: nozzle traverse speed (Tv), abrasive flow rate (Af), and stand-off distance (Sd). The performance of the AWJM process was assessed using three main metrics: Material removal rate (MRR), Surface roughness (SR), and Kerf taper angle (θ), which were crucial for evaluating the effectiveness of the AWJM. Taguchi’s L9 array, a design of experiments method, was used to plan the experiments. The adequacy of the developed models was assessed by analysis of variance (ANOVA). ANOVA results have shown that Tv, Af, and Sd were found to have a significant effect on MRR, SR, θ with contributions of 73.15%, 49.72%, and 78.35% respectively. The Passing Vehicle Search algorithm was adopted to find the global optimal solution. Simultaneous optimization results using the PVS algorithm have shown the optimal MRR, SR, and θ values of 0.17 g/min, 3.28 μm, and 2.45, respectively, at Tv of 237 mm/min, Af of 450 g/min, and Sd of 2.0 mm. The optimization results with Pareto points will help to achieve desired outcomes by selecting appropriate input conditions.
N-acetylcysteine Protects Against Myocardial Ischemia–Reperfusion Injury Through Anti-ferroptosis in Type 1 Diabetic Mice
Authors: Zhou Dongcheng , Yang Yuhui , Chen Jiajia , Zhou Jiaqi , He Jianfeng , Liu Danyong , Zhang Anyuan , Yuan Bixian , Jiang Yuxin , Xia Weiyi , Han Ronghui , Xia Zhengyuan 
Published: April 2024

AbstractThe hearts of subjects with diabetes are vulnerable to ischemia–reperfusion injury (IRI). In contrast, experimentally rodent hearts have been shown to be more resistant to IRI at the very early stages of diabetes induction than the heart of the non-diabetic control mice, and the mechanism is largely unclear. Ferroptosis has recently been shown to play an important role in myocardial IRI including that in diabetes, while the specific mechanisms are still unclear. Non-diabetic control (NC) and streptozotocin-induced diabetic (DM) mice were treated with the antioxidant N-acetylcysteine (NAC) in drinking water for 4 week starting at 1 week after diabetes induction. Mice were subjected to myocardial IRI induced by occluding the coronary artery for 30 min followed by 2 h of reperfusion, subsequently at 1, 2, and 5 week of diabetes induction. The post-ischemic myocardial infarct size in the DM mice was smaller than that in NC mice at 1 week of diabetes but greater than that in the NC mice at 2 and 5 week of diabetes, which were associated with a significant increase of ferroptosis at 2 and 5 week but a significant reduction of ferroptosis at 1 week of diabetes. NAC significantly attenuated post-ischemic ferroptosis as well as oxidative stress and reduced infarct size at 2 and 5 week of diabetes. Application of erastin, a ferroptosis inducer, reversed the cardioprotective effects of NAC. It is concluded that increased oxidative stress and ferroptosis are the major factors attributable to the increased vulnerability to myocardial IRI in diabetes and that attenuation of ferroptosis represents a major mechanism whereby NAC confers cardioprotection against myocardial IRI in diabetes.
Gate-controlled supercurrent effect in dry-etched Dayem bridges of non-centrosymmetric niobium rhenium
Authors: Koch Jennifer , Cirillo Carla , Battisti Sebastiano , Ruf Leon , Kakhaki Zahra Makhdoumi , Paghi Alessandro , Gulian Armen , Teknowijoyo Serafim , De Simoni Giorgio , Giazotto Francesco , Attanasio Carmine , Scheer Elke , Di Bernardo Angelo 
Published: April 2024

AbstractThe application of a gate voltage to control the superconducting current flowing through a nanoscale superconducting constriction, named as gate-controlled supercurrent (GCS), has raised great interest for fundamental and technological reasons. To gain a deeper understanding of this effect and develop superconducting technologies based on it, the material and physical parameters crucial for the GCS effect must be identified. Top-down fabrication protocols should also be optimized to increase device scalability, although studies suggest that top-down fabricated devices are more resilient to show a GCS. Here, we investigate gated superconducting nanobridges made with a top-down fabrication process from thin films of the non-centrosymmetric superconductor niobium rhenium with varying ratios of the constituents (NbRe). Unlike other devices previously reported and made with a top-down approach, our NbRe devices systematically exhibit a GCS effect when they were fabricated from NbRe thin films with small grain size and etched in specific conditions. These observations pave the way for the realization of top-down-made GCS devices with high scalability. Our results also imply that physical parameters like structural disorder and surface physical properties of the nanobridges, which can be in turn modified by the fabrication process, are crucial for a GCS observation, providing therefore also important insights into the physics underlying the GCS effect.
Partnering with Educators to Iteratively Co-create Tools to Support Teachers’ Use of Equity-Focused Positive Behavioral Supports
Authors: Owens Julie Sarno , Exner-Cortens Deinera , Cappella Elise , DeShazer Madeline , May Natalie , Seipp John , Claussen Caroline , Zieg Nicholas , Garcia Maria 
Published: April 2024

AbstractIn the Maximize Project, we are engaging in a research-practice partnership to co-create implementation strategies to facilitate elementary school teachers’ use of equity-focused positive behavior supports (EF-PBS). In this paper, we describe the processes used to build an interactive, technology-based platform to enhance teachers’ use of EF-PBS via self-reflection, self-assessment, goal setting, and goal review. We describe how we established a multi-disciplinary, multi-state community advisory board to collaborate on Version 1 of platform (Phase 1). We explain how we obtained quantitative and qualitative feedback about the platform from educators in three partnering schools, and how we used those data to produce Version 2 of the platform (Phase 2). Platform use data suggested high utilization in Quarter 1 (August–October) of the school year, when there was protected time to complete activities. However, platform use was moderate in Quarter 2 (October–December) and low in Quarters 3 and 4 (January–May). Educator feedback revealed moderate acceptability, feasibility, and appropriateness of the platform and highlighted ways to improve the user experience (e.g., streamlining steps in goal setting, making resources about strategy implementation easier to find). We discuss lessons learned to inform school mental health co-creation endeavors, including strategies for supporting diverse perspectives, for enhancing advisory board members’ voices and confidence, and for creating practical and feasible methods for teachers to benefit from co-created technology-based implementation strategies. Our processes offer guidance for others engaging in research-practice partnerships, developing education technologies and/or supporting teachers’ use of equity-focused practices to improve daily school experiences for all students.
“I Want to Send a Message to My Friend”: Exploring the Shift of Agency to Older Adults in HRI
Authors: Simão Hugo , Gonçalves David , Pires Ana C. , Abreu Lúcia , Bernardino Alexandre , Forlizzi Jodi , Guerreiro Tiago 
Published: April 2024

AbstractCommunication among some older adults is affected by cognitive and mobility impairments. This increases isolation, particularly for those residing in care homes, and leads to accelerated cognitive decline. Previous research has leveraged assistive robots to promote recreational routines and communication among older adults, with the robot leading the interaction. However, older adults could have more agency in the interaction, as robots could extend elders’ intentions and needs. Therefore, we explored an approach whereby the robot’s agency is shifted to the older adults who lead the interaction by commanding a robot’s actions using interactive physical blocks (tangible blocks). We conducted sessions with 22 care home dwellers where they could exchange messages and objects using the robot. Based on older adults’ observed behaviors during the sessions and perspectives gathered from interviews with geriatric professionals, we reflect on the opportunities and challenges for increased user agency and the asymmetries that emerged from differing abilities and personality traits. Our qualitative results highlight the potential of robotic approaches to extend the agency and communication of older adults, anchored on human values, such as the exchange of affection, collaboration, and competition.
Comparison of Three Viral Nucleic Acid
Preamplification Pipelines for Sewage Viral Metagenomics
Authors: Fernandez-Cassi Xavier , Kohn Tamar 
Published: April 2024

AbstractViral metagenomics is a useful tool for detecting multiple human viruses in
urban sewage. However, more refined protocols are required for its effective use in
disease surveillance. In this study, we investigated the performance of three different
preamplification pipelines (specific to RNA viruses, DNA viruses or both) for viral
genome sequencing using spiked-in Phosphate Buffered Saline and sewage samples
containing known concentrations of viruses. We found that compared to the pipeline
targeting all genome types, the RNA pipeline performed better in detecting RNA viruses
in both spiked and unspiked sewage samples, allowing the detection of various mammalian
viruses including members from the Reoviridae,
Picornaviridae, Astroviridae and Caliciviridae.
However, the DNA-specific pipeline did not improve the detection of mammalian DNA
viruses. We also measured viral recovery by quantitative reverse transcription
polymerase chain reaction and assessed the impact of genetic background (non-viral
genetic material) on viral coverage. Our results indicate that viral recoveries were
generally lower in sewage (average of 11.0%) and higher in Phosphate Buffered Saline
(average of 23.4%) for most viruses. Additionally, spiked-in viruses showed lower genome
coverage in sewage, demonstrating the negative effect of genetic background on
sequencing. Finally, correlation analysis revealed a relationship between virus
concentration and genome normalized reads per million, indicating that viral metagenomic
sequencing can be semiquantitative.
Graphical Abstract
The impact of Chinese rice support policies on rice acreages
Authors: Jin Yan , Gardebroek Cornelis , Heerink Nico 
Published: April 2024

AbstractDeclining arable land and yield stagnation pose serious challenges to food security in China. Since 2004, the Chinese government has introduced rice support policies to stimulate rice production. A bundle of incentives, including a minimum procurement price, were introduced. Whether they were effective? Rice acreages have increased since the start of this policy, which could also result from rising rice price levels both nationally and globally. Using a natural experiment created by the minimum procurement price policy being introduced in a selected set of Chinese regions, we use a dynamic fixed effects model to perform a difference-in-differences analysis on the effectiveness of these rice support policies. We find that indica rice acreages do respond to changes in the rice prices, and, controlling for rice prices, that China’s rice support policies were effective in increasing rice acreages of both early and late indica after 2004. The paper concludes with policy implications.
Blackening failure of poly-α-olefin impregnated porous polymide due to the splitting of lubrication oil catalyzed by iron
Authors: Shi Pengfei , Yin Yang , Zhang Shaohua , Zhang Diankai , Jiang Yuanyuan , Wang Yang , Zhou Ningning , Qing Tao , Wu Jintao , Qian Linmao , Zhang Jiyang , Chen Lei 
Published: April 2024

AbstractLubrication failure accompanying with blackening phenomenon significantly reduces the long-running operational reliability of porous polymide (PPI) lubricated with poly-α-olefin (PAO) oil. Here, the effects of lubrication condition and counter-surface chemistry on the blackening failure of PAO impregnated PPI were studied through the comparison of the tribological tests against GCr15 steel ball and Al2O3ceramic ball with and without PAO oil lubrication. Black products were found to be formed on the PAO impregnated PPI surface slid against steel ball or Al2O3ball added with iron nano-particles, but be absent under the conditions without iron or PAO oil. Further analysis indicated that the iron-catalyzed splitting of PAO oil into small molecule alkanes and following the formation of black organic matter should be mainly responsible for the blackening phenomenon. Molecular dynamic (MD) simulations demonstrated that the iron facilitated the separation of hydrogen atom and the following broken of C-C bonds in PAO molecules, final resulting in the splitting of PAO oil.
Rational Design of Ruddlesden–Popper Perovskite Ferrites as Air Electrode for Highly Active and Durable Reversible Protonic Ceramic Cells
Authors: Yu Na , Bello Idris Temitope , Chen Xi , Liu Tong , Li Zheng , Song Yufei , Ni Meng 
Published: April 2024

AbstractReversible protonic ceramic cells (RePCCs) hold promise for efficient energy storage, but their practicality is hindered by a lack of high-performance air electrode materials. Ruddlesden–Popper perovskite Sr3Fe2O7−δ (SF) exhibits superior proton uptake and rapid ionic conduction, boosting activity. However, excessive proton uptake during RePCC operation degrades SF’s crystal structure, impacting durability. This study introduces a novel A/B-sites co-substitution strategy for modifying air electrodes, incorporating Sr-deficiency and Nb-substitution to create Sr2.8Fe1.8Nb0.2O7−δ (D-SFN). Nb stabilizes SF's crystal, curbing excessive phase formation, and Sr-deficiency boosts oxygen vacancy concentration, optimizing oxygen transport. The D-SFN electrode demonstrates outstanding activity and durability, achieving a peak power density of 596 mW cm−2 in fuel cell mode and a current density of − 1.19 A cm−2 in electrolysis mode at 1.3 V, 650 °C, with excellent cycling durability. This approach holds the potential for advancing robust and efficient air electrodes in RePCCs for renewable energy storage.