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Article
Publication date: 25 October 2018

Amira E.M. Abdallah and Rafat M. Mohareb

This work aims to synthesize a series of novel acyclic and/or heterocyclic systems, as precursors for dyes with potential antimicrobial activity that could be used for…

170

Abstract

Purpose

This work aims to synthesize a series of novel acyclic and/or heterocyclic systems, as precursors for dyes with potential antimicrobial activity that could be used for simultaneous dyeing and antimicrobial textile finishing. Thus, a series of novel pyridine, thiophene and pyrazolo[3,4-b]pyridine derivatives were synthesized, and their antimicrobial and textile finishing properties were studied and evaluated.

Design/methodology/approach

The synthesis, structure elucidation and antimicrobial activities of the newly synthesized compounds based on 4,4-dicyano-3-phenyl-but-3-enoic acid phenylamide (1) were demonstrated. The minimal inhibitory concentration in μg/mL of the compounds showed significant antimicrobial activity against most of the tested organisms. On the other hand, their spectral characteristics and fastness properties were measured and evaluated. Antimicrobial activities of the dyed fabrics in terms of inhibition zones (mm) were measured and evaluated.

Findings

A series of novel heterocyclic compounds (Schemes 1-3) were synthesized based on starting material (1). Compounds (1), 2, 4a, 8a and 9c exhibited comparable or even higher antibacterial activities than the selected standards (ampicillin), while compounds 2, 3c, 3d, 4a and 8b revealed higher antifungal activities than the selected standard (cycloheximide). On the other hand, some dyes showed high antimicrobial evaluation on the dyed fabrics (nylon 66, acetate and polyester) expressed as size (mm) of inhibition zones (Tables I-IV).

Practical implications

Results revealed that many hydrazo and azo derivatives were synthesized from some pyridines and thiophenes. The antimicrobial evaluation and textile finishing of the newly synthesized products revealed significant and potent values of antimicrobial activity.

Originality/value

All the synthesized compounds were novel and most of them exhibited higher antimicrobial activities than the selected standards antibiotics, thus are valuable for simultaneous dyeing and antimicrobial functional finishing of textile fabrics.

Details

Pigment & Resin Technology, vol. 48 no. 2
Type: Research Article
ISSN: 0369-9420

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Article
Publication date: 6 September 2013

Olga Dodd

Financial markets’ integration and technological advances in equity trading may have reduced the potential benefits from listing a firm's shares on a foreign exchange…

2606

Abstract

Purpose

Financial markets’ integration and technological advances in equity trading may have reduced the potential benefits from listing a firm's shares on a foreign exchange. Nevertheless, a significant number of firms continue to cross‐list every year. This paper examines the recent cross‐listing trends and reviews the literature on motives to cross‐list.

Design/methodology/approach

The literature review includes a summary of theoretical studies grouped into cross‐listing theories including market segmentation, liquidity, investor recognition, information disclosure, legal bonding, proximity preference and business strategy theories, and also includes a discussion of testable implications and empirical evidence for each of the above mentioned cross‐listing theories.

Findings

An extensive cross‐listing literature offers a number of theories on the motives to cross‐list that in most cases complement each other by encompassing different aspects of the complex cross‐listing behavior. Nevertheless, continuous market developments, such as significant regulatory and technological changes in the ways capital markets operate, raise new questions on why firms cross‐list and call for further research to continue.

Details

Review of Behavioural Finance, vol. 5 no. 1
Type: Research Article
ISSN: 1940-5979

Keywords

Available. Open Access. Open Access
Article
Publication date: 16 June 2021

Amira Mohamed Emara and Nashwa Mostafa Ali Mohamed

This paper aims to investigate the relationship between global economic fluctuations and human development through four transmission channels (foreign direct investment (FDI)…

2484

Abstract

Purpose

This paper aims to investigate the relationship between global economic fluctuations and human development through four transmission channels (foreign direct investment (FDI), official development aid (ODA), remittances and export earnings) in Egypt as an open developing economy, in the period 1990–2015.

Design/methodology/approach

The paper uses a vector autoregressive model, which implies examining the impulse response functions and variance decompositions.

Findings

The results indicate that human development is negatively affected by global economic fluctuations through the four channels, namely, ODA, FDI, export earnings and remittances. In addition, the most effective transmission channels are FDI in the short run and export earnings in the long run.

Originality/value

While a large body of literature addresses the direct impact of business cycles and economic shocks on human development, only some studies focus on the indirect impact. The contribution is to identify the indirect impact of global economic fluctuations on human development in a developing economy, considering four transmission channels and to determine the most important of these channels. Moreover, using the human development index is an addition in this paper as most previous literature depends on other human development indicators such as children’s health, employment and schooling.

Details

Review of Economics and Political Science, vol. 8 no. 4
Type: Research Article
ISSN: 2356-9980

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Article
Publication date: 18 July 2024

Imen Ghadhab and Hamza Nizar

This paper investigates the effect of political uncertainty on the decision to cross-list in the United States (US).

43

Abstract

Purpose

This paper investigates the effect of political uncertainty on the decision to cross-list in the United States (US).

Design/methodology/approach

To reach our paper aim, we use a sample of 589 non-US firms cross-listed in the US for the period from 2000 to 2019. We perform logit regression and use several political uncertainty proxies, including US election presidential years, political voting margin and the political uncertainty index from Baker et al. (2002), as a continuous measure of general political condition (Francis et al., 2021).

Findings

We find the following results. Non-US firms are less likely to cross-list their shares when US political uncertainty is high. We also find that the decision to cross-list is driven by price informativeness as a channel that can explain the role of political uncertainty. Our results are robust to the endogeneity concern. In addition, we find that political administration (Democrats vs Republicans) significantly affects the decision to cross-list. More particularly, we show that firms are more likely to cross-list their shares in the US when Democrats win the elections. Moreover, we find that cross-listed firms exhibit lower valuation compared to their non-cross-listed peers when US political uncertainty is high.

Originality/value

Using a unified framework of non-US firms cross-listed in the US, this paper contributes to different strands of the literature. Our first main contribution adds to the literature on cross-listing by providing, in our knowledge, the first evidence regarding the relation between cross-listing and political uncertainty. We add to the existing literature by showing that US political uncertainty significantly determines the decision to cross-list and value creation for cross-listed firms. Whether and how managers alter their strategic decision behavior in such settings is less clear. Hence, our paper contributes to the literature by documenting how political uncertainty impacts cross-listing decision and shapes management guidance decisions. Second, this study joins a growing body of literature that examines the real impact of economic policy uncertainty (EPU) on economic outcomes. We provide empirical evidence suggesting that cross-listed firms exhibit lower valuation during period of high political uncertainty due to decreased price informativeness.

Details

The Journal of Risk Finance, vol. 25 no. 5
Type: Research Article
ISSN: 1526-5943

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Article
Publication date: 2 December 2024

Amira Khelil, Yasmine Snene Manzli and Anissa Louzir Ben Hassine

This study aims to investigate the impact of blockchain use on the performance of supply chain in the high-tech industry and to elucidate the main factors that drive managers to…

36

Abstract

Purpose

This study aims to investigate the impact of blockchain use on the performance of supply chain in the high-tech industry and to elucidate the main factors that drive managers to adopt blockchain in high-tech firms.

Design/methodology/approach

This study adopts the unified theory of acceptance and usage model and extends it with external constructs such as “Trust,” “Technology Readiness,” “Compatibility” and “Awareness.” The paper uses a quantitative and exploratory approach, collecting and analyzing data from 250 high-tech firms worldwide, using the partial least squares structural equation modeling approach.

Findings

The findings emphasize the strategic importance of blockchain for supply chain performance in these firms. Furthermore, the results indicate that facilitating conditions, ease of use, technology readiness, compatibility and subjective norms are key enablers for blockchain adoption in high-tech firms.

Originality/value

This research advances the literature on technology adoption in the supply chain field, with special focus on blockchain. The field is strengthened by investigating the determinants and barriers to adopting technology within high-tech firms, emphasizing the necessity of developing blockchain literacy for successful international transactions.

Details

Journal of Science and Technology Policy Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2053-4620

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Article
Publication date: 30 August 2023

Hannan Amoozad Mahdiraji, Hojatallah Sharifpour Arabi, Moein Beheshti and Demetris Vrontis

This research aims to extract Industry 4.0 technological building blocks (TBBs) capable of value generation in collaborative consumption (CC) and the sharing economy (SE)…

393

Abstract

Purpose

This research aims to extract Industry 4.0 technological building blocks (TBBs) capable of value generation in collaborative consumption (CC) and the sharing economy (SE). Furthermore, by employing a mixed methodology, this research strives to analyse the relationship amongst TBBs and classify them based on their impact on CC.

Design/methodology/approach

Due to the importance of technology for the survival of collaborative consumption in the future, this study suggests a classification of the auxiliary and fundamental Industry 4.0 technologies and their current upgrades, such as the metaverse or non-fungible tokens (NFT). First, by applying a systematic literature review and thematic analysis (SLR-TA), the authors extracted the TBBs that impact on collaborative consumption and SE. Then, using the Bayesian best-worst method (BBWM), TBBs are weighted and classified using experts’ opinions. Eventually, a score function is proposed to measure organisations’ readiness level to adopt Industry 4.0 technologies.

Findings

The findings illustrated that virtual reality (VR) plays a vital role in CC and SE. Of the 11 TBBs identified in the CC and SE, VR was selected as the most determinant TBB and metaverse was recognised as the least important. Furthermore, digital twins, big data and VR were labelled as “fundamental”, and metaverse, augmented reality (AR), and additive manufacturing were stamped as “discretional”. Moreover, cyber-physical systems (CPSs) and artificial intelligence (AI) were classified as “auxiliary” technologies.

Originality/value

With an in-depth investigation, this research identifies TBBs of Industry 4.0 with the capability of value generation in CC and SE. To the authors’ knowledge, this is the first research that identifies and examines the TBBs of Industry 4.0 in the CC and SE sectors and examines them. Furthermore, a novel mixed method has identified, weighted and classified pertinent technologies. The score function that measures the readiness level of each company to adopt TBBs in CC and SE is a unique contribution.

Details

Management Decision, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0025-1747

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Article
Publication date: 21 December 2022

Shallu Batra, Mohit Saini, Mahender Yadav and Vaibhav Aggarwal

This study aims to conduct a comprehensive bibliometric analysis to determine the intellectual structure of cross-listing studies and suggests a road map for future research in…

874

Abstract

Purpose

This study aims to conduct a comprehensive bibliometric analysis to determine the intellectual structure of cross-listing studies and suggests a road map for future research in this field.

Design/methodology/approach

A step-by-step procedure was carried out. With the help of a defined search string, 580 articles from reputed journals have been retrieved from the Scopus database. Bibliographic coupling and keyword analysis were executed to understand the current research scenario and future research directions in this research field. In addition, R Studio combined with VOSviewer was employed to analyse and visualise the data.

Findings

The results provide a deeper insight into publication trends, most prolific countries, institutions and journals in the area of cross-listing. The highest collaboration was observed between the authors in the USA and Canada. Moreover, the results contradict Bradford's and Lotka's laws. A thorough review of the literature identifies five clusters in this domain. Finally, keyword analysis offers a future road map in cross-listing research.

Originality/value

Researchers have shown greater interest in cross-listing topics over the past decades. Even though the research volume on this subject is increasing, the current retrospective is still insufficient. To the best of the authors' knowledge, this study is the first to provide valuable insights to practitioners, academicians, and prospective researchers about the intellectual structure of cross-listing and also offers future avenues in this research field through bibliometric analysis.

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Article
Publication date: 30 May 2019

Hanna Abomelha

This study aims to the synthesis of some novel 4-arylazo-3-hydroxythiophene analogues containing sulphapyridine and sulphathiazole dyestuffs and studying their application in…

135

Abstract

Purpose

This study aims to the synthesis of some novel 4-arylazo-3-hydroxythiophene analogues containing sulphapyridine and sulphathiazole dyestuffs and studying their application in dyeing polyester fabrics and rendering their antibacterial efficacy.

Design/methodology/approach

Simultaneous dyeing and antibacterial finishing for polyester fabric using a new antibacterial disperse dye having a modified chemical structure to thiophene dyes were studied. Construction of the thiophene dyes was carried out by diazo-coupling of diazotized sulphonamide-containing heterocyclic rings sulphapyridine and sulphathiazole with ethyl α-phenylthiocarbamoyl-acetoacetate followed by cyclizing the produced 2-arylazo-thioacetanilide with various α-halogenated reagents. All newly synthesized compounds were characterized by elemental analysis and extensive study of their spectral data (IR and 1H-NMR). The dyeing characteristics of these thiophene dyestuffs were evaluated at optimum conditions. Antibacterial activities of the obtained thiophene dyes were studied against some Gram-positive and Gram-negative bacteria.

Findings

The synthesized thiophene-containing sulphonamides dyes were applied on polyester fabric. The modified dyes exhibited a good fastness properties and antibacterial efficacy against some Gram-positive and Gram-negative bacteria. Synthesized dyes showed higher antibacterial potency than the reference standard drug.

Research limitations/implications

Synthesis of these disperse azo dyes for textile dyeing had never been reported previously.

Practical implications

The dyestuffs derived from thiophene are reasonable azo disperse dyestuffs giving good all-round fastness properties on polyester fabrics.

Originality/value

Thiophene dyes are used for dyeing polyester fabrics with brilliant colour and good fastness properties. The presence of sulphonamides moieties increase their fastness properties and elevate their antibacterial properties. Moreover, they can be used as antimicrobial finish due to their bactericidal properties on dyed textiles. This work afforded a new thiophene colorant that can be used in many different uses like polyester packing, thread Surgery, blends and other uses in medical textile.

Details

Pigment & Resin Technology, vol. 48 no. 4
Type: Research Article
ISSN: 0369-9420

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Article
Publication date: 19 June 2024

Maria Bourezg, Osama Khassawneh, Satwinder Singh, Tamara Mohammad, Muntaser J. Melhem and Tamer K. Darwish

This study aims to explore the factors that influence job satisfaction among women in Jordan and contribute to the growing interest in women’s workplace happiness in the context…

103

Abstract

Purpose

This study aims to explore the factors that influence job satisfaction among women in Jordan and contribute to the growing interest in women’s workplace happiness in the context of the Middle East.

Design/methodology/approach

The authors used an explanatory sequential mixed-method approach. During the first phase, 250 female respondents were surveyed from the private sector in Jordan. The authors analyzed the impact of various employment-related attributes and other variables, including educational level, position, work experience, daily work hours, income level, relationships with colleagues and supervisors and internal career opportunities on job satisfaction. During the second stage, the authors interviewed 23 supervisor female respondents and conducted a thematic analysis to explore in more depth the determinants of job satisfaction of females working in the private sector in Jordan.

Findings

The quantitative findings of this study indicate that job satisfaction is positively influenced by education level and income, while notably, it was negatively impacted by work experience and daily work hours. Relationships with colleagues and supervisors, as well as internal career opportunities, positively affect job satisfaction. The qualitative findings of the study indicate that positive corporate culture, developing subordinates, financial independence, self-worthiness, work-life balance, internal career opportunities and factors that spillover from the personal life domain contributed highly to job satisfaction.

Practical implications

The findings of this study can help employers in gaining a deeper understanding of the needs and behaviors of female workers in the Middle East, potentially resulting in decreased job turnover and heightened productivity.

Originality/value

This study offers valuable insights into the cultural dynamics at play and sheds light on the psychology of the Arab female workforce. Given the limited research on job satisfaction among women in the Middle East and the Arab world, this study holds significant importance for practitioners.

Details

Gender in Management: An International Journal , vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1754-2413

Keywords

Available. Open Access. Open Access
Article
Publication date: 19 January 2023

Dania M. Kurdy, Husam-Aldin Nizar Al-Malkawi and Shahid Rizwan

The purpose of this study is to examine the various factors that influence the productivity (PR) of employees who worked remotely in the United Arab Emirates (UAE) during the…

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Abstract

Purpose

The purpose of this study is to examine the various factors that influence the productivity (PR) of employees who worked remotely in the United Arab Emirates (UAE) during the COVID-19 pandemic.

Design/methodology/approach

This study adopts a quantitative approach to analyze data collected online from 110 respondents using the snowball sampling technique during the pandemic. The analysis of the data is conducted using the structural equation modeling (SEM) technique of Smart PLS (Partial least squares) to evaluate the direct and moderating variables.

Findings

The results indicate that direct variables such as workload, job satisfaction, work–life balance and social support have a significant positive impact on employee PR in the UAE. However, the analysis of the moderating variable indicates that job level is not a significant moderator of the above relationships. The findings, generally, provide support for social exchange theory.

Practical implications

The findings of this study will help businesses of various domains in a variety of industries in understanding the core factors that should be considered to enhance the overall PR of their employees while working from home. Businesses can achieve their organizational goals by ensuring steady growth even during uncertain times.

Originality/value

This paper answers the question of whether remote working affects employee PR during the pandemic in an emerging market, namely the UAE. The current study contributes to the existing literature by combining the variables investigated in previous studies into a single study and by considering job level as a moderator variable.

Details

Journal of Business and Socio-economic Development, vol. 3 no. 4
Type: Research Article
ISSN: 2635-1374

Keywords

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