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Article
Publication date: 2 September 2019

Jenna Stephanie Walker, John Arnold, Cynthiya Shrestha and Damon Smith

The purpose of this study is to explore the use of silver submicron-scale wire (AgSMW) additives in filament feedstock for fused filament fabrication (FFF) additive manufacturing…

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Abstract

Purpose

The purpose of this study is to explore the use of silver submicron-scale wire (AgSMW) additives in filament feedstock for fused filament fabrication (FFF) additive manufacturing technologies. The antibacterial effect of the additive on printed objects is assessed and its impact on mechanical behavior is determined.

Design/methodology/approach

AgSMW-PLA composite FFF filaments were fabricated by solution processing, granulation and extrusion. The reduction in the growth of Escherichia coli (E. coli) is measured after exposure to FFF-printed composite test specimens with AgSMW additive concentrations ranging from 0.0 to 10.0 weight per cent. The effect of the additive addition on the thermal properties and tensile mechanical performance was measured. Scanning electron microscopy (SEM) was used to analyze the composite microstructure and fracture behavior.

Findings

E. coli growth was reduced by approximately 50 per cent at the highest additive concentration of 10.0 weight per cent. This is attributed to the release of silver ions through water diffusion into the bulk of the composite. The ultimate tensile strength declined with increasing AgSMW concentration with a moderate reduction of 18 per cent at 10.0 weight per cent. The elastic modulus did not vary significantly at any of the concentrations studied. The ductility of the composite was only notably reduced at the highest concentration. The reduction in mechanical strength and strain at break is attributed to an increase in void defects in the composite with increasing additive concentration.

Originality/value

This study demonstrates the successful incorporation of AgSMWs into FFF-compatible filaments for use in commercially available printing systems. The results demonstrate significant reduction of bacteria growth when using these materials. While the mechanical performance degrades slightly, the results indicate the material’s efficacy for a variety of potential biomedical applications. As a proof of concept, surgical tools were printed using the composite.

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Article
Publication date: 11 March 2021

Lorraine Higham, Alessandra Girardi and Holly Victoria Edwards

Autism-specific characteristics have been associated with internet criminal activities. Internet and non-internet offenders differ on a series of demographic, psychological and…

295

Abstract

Purpose

Autism-specific characteristics have been associated with internet criminal activities. Internet and non-internet offenders differ on a series of demographic, psychological and offending variables. However, the clinical and criminal presentation of individuals with autism spectrum disorder (ASD) in forensic secure care settings has been underexplored. This paper aims to explore the profiles of internet offenders with ASD admitted to a secure psychiatric unit.

Design/methodology/approach

This study provides the results of a service evaluation of individuals with ASD. The demographic, clinical and criminal characteristics of a small sample of internet offenders with ASD admitted to secure care are described and discussed.

Findings

Internet offenders present in secure care with high rates of comorbid disorders, histories of violence and traumatic experiences, mood disorders and difficulties with relationships. Of the 24 internet offenders discussed, 18 of them committed an offence of a sexual nature involving children.

Originality/value

This paper highlights the potential risks for individuals with ASD in using the internet and the possible difficulties associated with detecting this because of rapid advancements in technology.

Details

Journal of Intellectual Disabilities and Offending Behaviour, vol. 12 no. 2
Type: Research Article
ISSN: 2050-8824

Keywords

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Book part
Publication date: 13 March 2019

Fernando Canet

Since Bram Stoker’s tale of Count Dracula struck a chord with a sensation-hungry public, vampires have remained a popular part of horror in cinema. Since the turn of the…

Abstract

Since Bram Stoker’s tale of Count Dracula struck a chord with a sensation-hungry public, vampires have remained a popular part of horror in cinema. Since the turn of the millennium, vampires have now become a mainstay of horror TV. Programmes like True Blood (2008–2014) and The Vampire Diaries (2009–2017) have propelled the vampire into the home.

This chapter will investigate the problematic, but often sympathetic relationship between vampires and humans in The Vampire Diaries.

Details

Gender and Contemporary Horror in Television
Type: Book
ISBN: 978-1-78769-103-2

Keywords

Available. Open Access. Open Access

Abstract

Details

Journal of Intelligent Manufacturing and Special Equipment, vol. 4 no. 1
Type: Research Article
ISSN: 2633-6596

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Article
Publication date: 1 August 1960

HARRY C. BAUER

When it comes to choosing names, man is at a loss for words. There are far too many Jones's to “keep up with”. Smith is decidedly the most popular surname in Britain and America…

23

Abstract

When it comes to choosing names, man is at a loss for words. There are far too many Jones's to “keep up with”. Smith is decidedly the most popular surname in Britain and America, but Johnson, Brown, and Miller are prevalent, too. Since the United States of America is a great melting pot, it enjoys a superabundance of names but does not know how to apportion them. Elsdon C. Smith, author of The Story of Our Names, estimates that there are 350,000 different surnames in the United States, but that fifty popular names suffice for ten per cent of the population. Not even a thousand names are required for fifty per cent of the population. In England, fifty common surnames provide for approximately eighteen per cent of the population. So far as appellations are concerned, however, Scotland is the thrifty nation; one hundred and fifty surnames sufficing for more than fifty per cent of all native Caledonians.

Details

Library Review, vol. 17 no. 8
Type: Research Article
ISSN: 0024-2535

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Case study
Publication date: 6 May 2024

Stuart Rosenberg

Information was obtained in interviews with Richard Nagel in Winter/Spring 2022. This information was supplemented by material from secondary sources. The only information that…

Abstract

Research methodology

Information was obtained in interviews with Richard Nagel in Winter/Spring 2022. This information was supplemented by material from secondary sources. The only information that was disguised were the real names for Bob Crater, Tim Landy, Jane Tolley and Mary Nagel.

The case was classroom tested in Summer 2022. The responses from students helped to shape the writing of the case.

Case overview/synopsis

Richard Nagel, the owner of the RE/MAX Elite real estate agency in Monmouth Beach, New Jersey, has just learned that one of his agents, Tim Landy, quit and left the industry. Tim was a young real estate agent and Richard had spent considerable time training him. Tim was motivated and he worked hard to prospect for business, but he showed that he was experiencing difficulty closing on his sales. Richard decided to recommend that Tim work with another agent, Bob Crater, as Bob was an experienced salesman but was not doing the up-front prospecting that Tim was doing. Richard suggested two different strategies to the two agents – a pairing up arrangement and peer-to-peer learning. The outcome that Richard envisioned was that both of the struggling salesmen would benefit from either of these strategies, but Bob refused to collaborate.

Tim’s quitting was characteristic of an ongoing problem with employee retention that Richard had been experiencing as a manager in recent years. This problem caused Richard to think about how he recruited his real estate agents, how he developed them through coaching and how he motivated them so that they would stay happy in their job and not leave. He recognized the importance of thoroughly examining his retention strategy within the next 12 months so that he could better manage the problem and strengthen the productivity of his real estate agency.

Complexity academic level

The case is intended for an undergraduate course in human resources management, as it deals directly with recruiting, coaching and retaining employees.

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Book part
Publication date: 15 April 2019

Damon Jack Clark

This qualitative study researches the concept of entrepreneurship in an indigenous population by assessing the external and internal challenges entrepreneurs face, discusses the…

Abstract

This qualitative study researches the concept of entrepreneurship in an indigenous population by assessing the external and internal challenges entrepreneurs face, discusses the various types of support offered, and compiles recommendations for partners to understand the Diné entrepreneur. This research interviewed nine enrolled members of the Navajo Nation tribe who have either created businesses on the reservations, managed non-profits aimed at supporting entrepreneurs, or possessed a wealth of entrepreneurial experiences working both on or off the Navajo Nation Reservation. This text builds upon the themes of economic development, cultural-match, and indigenous sovereignty by analyzing the concept, action, and future of Diné entrepreneurship.

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Book part
Publication date: 15 September 2014

John C. Anderson and Damon M. Fleming

This study investigates whether exposure to a previous client’s earnings management behavior will impact experienced auditors’ judgments of the risk that a current client’s…

Abstract

This study investigates whether exposure to a previous client’s earnings management behavior will impact experienced auditors’ judgments of the risk that a current client’s financial statements are materially misstated. Contrast theory predicts the context of previous information can have a priming effect on a current judgment scenario, where the information for the current judgment is contrasted with the previous information. Guided by contrast theory, we exposed auditors to either positive or negative client ethical earnings management behavior. We found the existence of contrast effects, with the positive (negative) context of the previous client resulting in auditors judging a higher (lower) likelihood of material misstatement in the current client’s financial statements. The results have implications for the effectiveness and efficiency of auditors’ judgments as well as provide insight into auditor training efforts.

Details

Research on Professional Responsibility and Ethics in Accounting
Type: Book
ISBN: 978-1-78441-163-3

Keywords

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Article
Publication date: 1 April 1998

Winifred Aldrich, Brian Smith and Feng Dong

This paper describes research undertaken at the Nottingham Trent University which investigated body movements and their relationship to garment design. The study identifies the…

269

Abstract

This paper describes research undertaken at the Nottingham Trent University which investigated body movements and their relationship to garment design. The study identifies the difference between ergonomic measuring positions and the natural postures used by real figures in real activities. A new approach to the identification and coding of upper body postures has been made. A body coding system and a simple piece of equipment was designed that enables extended natural body positions to be recorded, thus achieving repeatability. This work enabled comparisons of aesthetic appearance and the functional comfort of women's tailored jackets to be examined.

Details

Journal of Fashion Marketing and Management: An International Journal, vol. 2 no. 4
Type: Research Article
ISSN: 1361-2026

Keywords

Available. Open Access. Open Access
Article
Publication date: 24 October 2018

Andreja Siliunas, Mario L. Small and Joseph Wallerstein

Today, low-income people seeking resources from the federal government must often work through non-profit organizations. The purpose of this paper is to examine the constraints…

8482

Abstract

Purpose

Today, low-income people seeking resources from the federal government must often work through non-profit organizations. The purpose of this paper is to examine the constraints that the poor must face today to secure resources through non-profit organizations.

Design/methodology/approach

This is a conceptual paper. The authors review cases of non-profit organizations providing federally supported resources to the poor across multiple sectors.

Findings

The authors find that to accept government contracts serving the poor, nonprofit organizations must often engage in one or several practices: reject clients normally consistent with their mission, select clients based on likely outcomes, ignore problems in clients’ lives relevant to their predicament, or undermine client progress to manage funding requirements. To secure government-supported resources from nonprofits, the poor must often acquiesce to intrusions into one or more of the following: their privacy (disclosing sensitive information), their self-protection (renouncing legal rights), their identity (avowing a particular self-understanding) or their self-mastery (relinquishing authority over daily routines).

Originality/value

The authors show that the nonprofits’ dual role as brokers, both liaisons transferring resources and representatives of the state, can complicate their relation to their clients and the predicament of the poor themselves; the authors suggest that two larger trends, toward increasing administrative accountability and demonstrating deservingness, are having both intended and unintended consequences for the ability of low-income individuals to gain access to publicly funded resources.

Details

Journal of Organizational Ethnography, vol. 8 no. 1
Type: Research Article
ISSN: 2046-6749

Keywords

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