bluuebunny/crossref_metadata_2025_split huggingface dataset:
Generation of Bessel beam lattices by a single metasurface for neuronal activity recording in zebrafish larva
Authors: Archetti Anna , Bruzzone Matteo , Tagliabue Giulia , dal Maschio Marco 
Published: February 2023

AbstractBessel Beams (BBs) and BB lattices are structured-light excitation profiles frequently applied in material processing, nonlinear spectroscopy and in many fluorescence microscopy methods such as Light Sheet Microscopy (LSM). In LSM, BBs and BB-lattices offer wider excitation profiles, higher acquisition rate, enhanced resolution, and improved signal-to-noise ratio, while reducing the overall phototoxicity. However, this performance improvement typically comes at the cost of layout complexity and spatial constraints, originating from the optical arrangement required for obtaining BB features and for multiplexing the BB in a lattice of beamlets. Here, we introduce a novel method for encoding in a single flat element all the optical operations required to generate a BB lattice, including those of the excitation objective. We assessed the effective capabilities of this approach, using Meta-Surface (MS) technology to fabricate the corresponding flat optical element and to characterize its optical figures. Finally, we demonstrated its actual application in LSM, recording neuronal activity at cellular resolution in the zebrafish larval brain using fluorescence based neuronal activity reporters. In perspective, this approach, applied here for LSM, prompts a step forward in the BB versatility and in the BB application scenarios.
Twainspotting: Identity Revealed During a Simple, but Extended Conversation with a Humpback Whale
Authors: Crutchfield James P. , Jurgens Alexandra M. 
Published: February 2023

Extended acoustic interactions with a humpback whale (Megaptera novaeangliae) were captured via human-initiated playbacks of the purported humpback “throp” social call and hydrophone recordings of the animal’s vocalized responses during August 2021 in Frederick Sound, Southeast Alaska. Multivariate statistical analyses performed after the event, that adapted the Wasserstein metric to spectrograms, strongly imply that the played back call was from the same animal, which had been recorded the previous day and initially selected for its clarity. This suggests these interactive playback studies may have formed a probe of time-delayed self-recognition. Fluke photographs taken that previous day and during the interactions revealed that the animal had been identified 38 years earlier, now known as the female humpback named Twain 14 years ago.This exciting and to our knowledge unique series of interactive vocalization events, while hopeful, poses more questions than answers. Most basically, did the half-hour long series of acoustic exchanges constitute an interspecies conversation? We argue that analysis tools available to infer the implied causality of interaction—statistical dependency, multivariate information theory, and machine learning—leave the question open. That said, and perhaps more importantly, the extended interaction broaches questions whose answers bear directly on future interspecies communication and, more generally, the human appreciation of nonhuman intelligence. The reported human-humpback interactions will facilitate exploring these issues at new depths.
The clock transcription factor BMAL1 is a key regulator of extracellular matrix homeostasis and cell fate in the intervertebral disc
Authors: Dudek Michal , Morris Honor , Rogers Natalie , Pathiranage Dharshika RJ , Chan Danny , Kadler Karl E , Hoyland Judith , Meng Qing-Jun 
Published: February 2023

AbstractThe circadian clock in mammals temporally coordinates physiological and behavioural processes to anticipate daily rhythmic changes in their environment. Chronic disruption to circadian rhythms (e.g., through ageing or shift work) is thought to contribute to a multitude of diseases, including degeneration of the musculoskeletal system. The intervertebral disc (IVD) in the spine contains circadian clocks which control ∼6% of the transcriptome in a rhythmic manner, including key genes involved in extracellular matrix (ECM) homeostasis. However, it remains largely unknown to what extent the local IVD molecular clock is required to drive rhythmic gene transcription and IVD physiology. In this work, we identified profound age-related changes of ECM microarchitecture and an endochondral ossification-like phenotype in the annulus fibrosus (AF) region of the IVD in theCol2a1-Bmal1knockout mice. Circadian time series RNA-Seq of the whole IVD inBmal1knockout revealed loss of circadian patterns in gene expression, with an unexpected emergence of 12-hour ultradian rhythms, including FOXO transcription factors. Further RNA sequencing of the AF tissue identified region-specific changes in gene expression, evidencing a loss of AF phenotype markers and a dysregulation of ECM and FOXO pathways inBmal1knockout mice. Consistent with an up-regulation of FOXO1 mRNA and protein levels inBmal1knockout IVDs, inhibition of FOXO1 in AF cells suppressed their osteogenic differentiation. Collectively, these data highlight the importance of the local molecular clock mechanism in the maintenance of the cell fate and ECM homeostasis of the IVD. Further studies may identify potential new molecular targets for alleviating IVD degeneration.
When does intellectual capital enhance innovation capability? A three-way interaction test
Authors: Karadag Hande , Sahin Faruk , Bulut Cagri 
Published: February 2023

PurposeIn the current study based on the resource-based view (RBV), a three-way interaction model tests the relationships among human and social capital resources, innovation orientation (IO) and innovation capability in the context of new ventures.Design/methodology/approachHierarchical linear regression modeling presents the linear relations at two decision layers of start-ups, their founders and managers. Data is collected and analyzed from 233 new ventures in Turkey.FindingsFindings of the two and three-way interaction analyses indicate a positive relationship between human capital and innovation capability when social capital and IO are high; however, the relation turns off when low.Research limitations/implicationsThe study extends the previous works on the proposed link between intellectual capital (IC) resources and innovation, by confirming the moderating role of social capital and IO on the positive association between human capital resources and innovation capability.Practical implicationsThe results show that for start-up companies, the co-existence of strong social capital and the strategic orientation towards innovation is required for the effective utilization of human capital for generating innovation capability within the organization. Thus, this study highlights the importance of networks, alliances and social relationships, together with the unification of strategic thinking, organizational learning and a culture of innovation for attaining innovation goals, which are crucial for the survival and success of these units.Originality/valueThis study presents the first model in the literature which examines the moderating effects of IO and social capital on the human capital-innovation capability relationship.
Collaborative learning in online breakout rooms: the effects of learner attributes on purposeful interpersonal interaction and perceived learning
Authors: Wilkins Stephen , Butt Muhammad Mohsin , Hazzam Joe , Marder Ben 
Published: February 2023

PurposeBreakout rooms are commonly used by lecturers as a means to achieve collaborative learning in online lessons. Although breakout rooms can be effective at encouraging student engagement, interaction and learning, many students dislike being forced to interact with peers, and for some students, it can lead to feelings of anxiety and stress. Successful collaborative learning depends upon having the “right” individuals working together, so the purpose of this research is to identify specific learner attributes that are associated with purposeful interpersonal interaction in breakout rooms.Design/methodology/approachAn online survey was used to obtain data from 664 higher education students in the USA, which were analyzed using partial least squares structural equation modeling (PLS-SEM).FindingsStudents' technology readiness, social identification and intercultural communication competence are each significantly related to the achievement of purposeful interpersonal interaction, which is strongly related to students' perceived learning.Practical implicationsThe findings of this research emphasize the importance of lecturers considering learner attributes when forming breakout room groups.Originality/valueThe breakout room represents a unique and specific context for collaborative learning, where there may be minimal lecturer supervision and where students may choose to disengage by turning off their cameras and microphones or simply listen without participating (known as lurking). The existing literature has given little attention to how lecturers allocate students to online breakout rooms.
The effect of integrated reporting trends on shareholders' fund: does financial leverage matter?
Authors: Haladu Alhassan , Bin-Nashwan Saeed Awadh 
Published: February 2023

PurposeIn many societies, environmental problems have had some negative impacts on both social and economic features with issues like capital structure seriously affected. In this write-up, an attempt has been made to pinpoint the influence of the combined effects of integrated reporting and financial leverage on the value of a firm. In most emerging markets, investment is heavily dependent on foreign capital inflow which is mainly in the form of financial leverage. It is, therefore, necessary to know how this shapes the net worth of firms in which they are invested. Shareholders' fund is a major factor in determining the level of investment and economic stability of a nation and consequently improvements in sustainable development. Hence, the moderating role of financial leverage in the integrated reporting-shareholders’ funds relationship aims to warrant this research.Design/methodology/approachAll listed firms on the Nigerian Stock Exchange (NSE) as of 31st December 2021 were affected by this research. Filtering resulted in the use of 77 companies as a sample for the study covering a period of 12 years (2010–2021) with a total of 788 observations. Analyses of data were done through line graphs to show the trend and flow of disclosures between 2010 and 2021. Furthermore, linear regression was also applied to help determine the multiple effects of financial leverage and integrated reporting on shareholders' funds.FindingsThe outcomes showed that economic disclosure was 100% throughout the period of observation as opposed to environmental and social disclosures which, fluctuate throughout the period with an average of slightly over 55%. It was also discovered that a low but significant financial leverage moderated the interaction of integrated reporting on shareholders' funds.Practical implicationsStakeholders and policymakers should, therefore, put in place rules, regulations, standards, structures and administrative networks to enable firms to comply with local rules, guidelines and upgraded standards of international worth on sustainability issues.Originality/valueThis research explores the problem of the effects of integrated reporting on investment capital as it affects developing economies. Results from this study could go a long way in narrowing the lack of interest in sustainability issues by prospective investors coupled with the low level of environmental and social reporting by firms in African economies that are mostly underdeveloped.
Helping the police with their inquiries: improving investigator resilience and capacity in England and Wales
Authors: James Adrian , Rogers Colin , Turner James , Silverstone Daniel 
Published: February 2023

Purpose
In 2016, the oversight body for policing in England and Wales reported a national shortage of 5,000 qualified detectives and other investigators. Commissioned by the National Police Chiefs Council, this research critically assessed initiatives taken by the Police Service of England and Wales since that time to remedy that shortfall. The purpose of this study is to answer the question, “To what extent can fast-track investigator recruitment and training schemes enhance the PSEW’s investigative capacity and capability?”

Design/methodology/approach
Between 2019 and 2020, the authors examined four cases in England and Wales. Three were novel fast-track programmes for new joiners. The fourth was an investigator resilience programme. This study was qualitative and interpretive in nature. The authors carried out systematic reviews of the literature on investigative policy and detective work. The authors reviewed internal evaluations completed by Forces A, B and C. The authors interviewed respondents (n = 82) and supplemented the interview data with survey data (n = 45; N = 127); the authors analysed the data thematically and reviewed the findings in the context of systems theory and social identity theory.

Findings
The major themes identified by the analysis presented in this study were marketing and recruitment, attrition and progression, acceptance of the trainees, training and trainees’ welfare and well-being. The programmes were not as successful as they might have been because of systems failures. Principally, ineffective coordination of the programmes with other elements of the forces on which their success also relied (such as training, human resources and detective, departments). A critical limiting factor was the lack of experienced, skilled detectives able to train, support and mentor the trainees.

Practical implications
This paper provides empirical evidence of the efficacy of a whole systems approach to organisational change. This study evidences the crisis in police investigative practice that limits the service that the police can provide to victims and communities and ultimately threatens police legitimacy. This study provides insights from police practitioners into detective work in the modern era and highlights areas where improvement is necessary. The research on which this study is based was commissioned by the National Police Chiefs Council. Thus, there is institutional buy in to its findings.

Originality/value
With its roots firmly in empiricism, this paper presents the first scholarly evaluation of the police's attempts to make up a massive shortfall in investigators. To the best of the authors’ knowledge, this paper presents the first attempt to explain the challenges the police faced in this context, thematically. This study’s focus on systems and on human behaviour is intended to inform a wide audience beyond British policing.
How economic globalization affects the ecological footprint in India? A novel dynamic ARDL simulations
Authors: Villanthenkodath Muhammed Ashiq , Pal Shreya 
Published: February 2023

PurposeThis study scrutinizes the impact of economic globalization on ecological footprint while endogenizing economic growth and energy consumption during 1990–2018 in India.Design/methodology/approachFor time series analysis, the standard unit root test has been employed to unveil the integration order. Then, the cointegration was confirmed using autoregressive distributed lag (ARDL) analysis. Further, the study executed the dynamic ARDL simulation model to estimate long-run and short-run results along with simulation and robotic prediction.FindingsThe cointegration analysis confirms the existence of a long-run association among variables. Further, economic globalization reduces the ecological footprint in the long-run. Similarly, energy consumption decreases the ecological footprint. In contrast, economic growth spurs the ecological footprint in India.Originality/valueThe present study makes valuable and original contributions to the literature by applying a multivariate ecological footprint function, assessing the impact of economic globalization on ecological footprint while considering economic growth and energy consumption in India.
Intentions to adopt the blockchain: investigation of the retail supply chain
Authors: Mukherjee Subhodeep , Baral Manish Mohan , Lavanya B. Latha , Nagariya Ramji , Singh Patel Bharat , Chittipaka Venkataiah 
Published: February 2023

PurposeBlockchain can track the material from the manufacturer to the end customers. Therefore, it can ensure the product's authenticity, transparency and trust in the retail supply chain (SC). There is a need to trace and track the retail products before it reaches the customers to check the quality of the products so that expired products can be recycled and reused, which in turn will help gain customers' trust. This research aims to investigate retail employees' behavioural intention to adopt blockchain in the retail SC.Design/methodology/approachTo examine the behavioural intention of employees in the retail SC, the research uses three theories – the technology acceptance model; the unified theory of acceptance and use of technology; and the theory of planned behaviour. The technology acceptance model measures the employee's acceptance of blockchain in the retail SC. The unified theory of acceptance is used in this research to measure how blockchain adoption will improve the performance of the employees. The theory of planned behaviour is used in this research to measure whether the employees intend to adopt blockchain. A survey was carried out in the retail stores of India. Exploratory factor analysis and structural equation modelling were used for data analysis.FindingsThis study found that the employees of the retail stores have a positive intention and attitude to adopt blockchain technology. Further, it was found that perceived behavioural control and effort expectancy was not promoting blockchain adoption in the retail sector.Practical implicationsThis study will help the retail stores' employees understand the blockchain in their operations and will motivate the top management of the retail companies to adopt this technology. The study is limited to the retail SC in India only.Originality/valueThis study uses three theories technology acceptance model; the unified theory of acceptance and use of technology; and the theory of planned behaviour, which were not used in earlier studies of blockchain adoption in the retail SC.
Money pills: corporate political activity effect on mergers and acquisitions
Authors: Beal Partyka Raul , Lana Jeferson , Marcon Rosilene 
Published: February 2023

Purpose
This study aims to contribute to the corporate political activities (CPAs) field by suggesting the effect of campaign contributions on the time that firms wait for regulators’ decisions.

Design/methodology/approach
This paper analyzes 358 mergers and acquisitions (M&A) from 2008 to 2017 in Brazil through ordinary least squares regression with robustness control and causal operationalization in a small vote margins treatment.

Findings
Campaign contributions speed up the M&A regulator’s decisions. Campaign contributions amounts proved to be effective in decreasing the waiting time for judgments of M&A deals. Besides, National Development Bank disbursements to companies in M&A deals, served as a moderator to help reduce the waiting time.

Research limitations/implications
The main implication of this paper to the antecedents of CPA research is the estimation of time as an output of the political efforts of firms. Previous research focuses on what firms could get. Here, the authors focus on when. As a limitation, this study analyzes CPA through campaign contributions, as the only reliable source of CPA publicly available. Firms use multiple mechanisms of CPA. It would be expected for new papers to test different CPA mechanisms, such as political connections and lobbying.

Practical implications
This study provides evidence of the use of CPA as a relevant mechanism for firms to avoid institutional risks by getting regulators’ decisions faster. This evidence is useful for firms to grant their competitive advantage in a highly volatile environment, such as an emerging market.

Social implications
What happens in the nonmarket environment interferes within markets. Businesses seek to finance political projects with which they are more aligned, and governments provide capital to businesses in exchange for political support. Whether to expand successfully may also depend on early entrants, who will have acquired enough leadership to dominate the market.

Originality/value
While most of the research on nonmarket strategy focuses on what firms can get as an output for CPA efforts, this study provides here evidence on when firms can get it. As one can cite, in business, time is money.
Decoding underperformance of entrepreneurship at the bottom of the pyramid: a literature review of the field
Authors: Chang Amber Y. , Xu Yalan 
Published: February 2023

PurposeDriving economic development at the bottom of the pyramid (BOP) is an enduring global challenge. While the market-based approach places hope on entrepreneurship as a major impetus to drive the underdeveloped economy, the performance of entrepreneurial businesses and their impact on poverty reduction are sometimes below expectations. This paper seeks to examine the factors that may be hindering entrepreneurship within the BOP context. This paper presents preliminary answers and provides research suggestions related to this question.Design/methodology/approachIn order to identify the reasons behind the underperformance of entrepreneurship at the BOP, a comprehensive literature review was conducted to see what is already known about this puzzle.FindingsBy reviewing extant literature, four clusters of factors were found to shape entrepreneurial activities at BOP: (1) Individual-level factors may be restraining entrepreneurial activities within BOP context, (2) gender inequality at BOP is hindering female entrepreneurship, (3) insufficient institutional support is holding back entrepreneurial activities in BOP and (4) business development initiatives are making multi-faceted impacts on entrepreneurial activities in BOP.Originality/valueThis paper contributes to theory in that it is the first comprehensive review of literature on constraints of entrepreneurship in the context of BOP. In investigating influential factors of entrepreneurial success in the BOP context, the authors recognize four major influential forces that are shaping entrepreneurial processes at the bottom of the pyramid and further propose three directions of future research that are worthy for further exploration.
From the ground up: assessing the face validity of the Quality of Life – Aged Care Consumers (QOL-ACC) measure with older Australians
Authors: Cleland Jenny , Hutchinson Claire , McBain Candice , Khadka Jyoti , Milte Rachel , Cameron Ian , Ratcliffe Julie 
Published: February 2023

Purpose
This paper aims to assess the face validity to inform content validity of the Quality of Life – Aged Care Consumers (QOL-ACC), a new measure for quality assessment and economic evaluation in aged care.

Design/methodology/approach
Semi-structured interviews were conducted with older adults (66–100 years) receiving aged care services at home (n = 31) and in residential care (n = 28). Participants provided feedback on draft items to take forward to the next stage of psychometric assessment. Items were removed according to several decision criteria: ambiguity, sensitive wording, not easy to answer and/or least preferred by participants.

Findings
The initial candidate set was reduced from 34 items to 15 items to include in the next stage of the QOL-ACC development alongside the preferred response category. The reduced set reflected the views of older adults, increasing the measure’s acceptability, reliability and relevance.

Originality/value
Quality of life is a key person-centred quality indicator recommended by the recent Royal Commission into Aged Care Quality and Safety. Responding to this policy reform objective, this study documents a key stage in the development of the QOL-ACC measure, a new measure designed to assess aged care specific quality of life.