Wild birds and urban pigeons as reservoirs for diarrheagenic Escherichia coli with zoonotic potential

Clarissa A. Borges,Marita V. Cardozo,Livia G. Beraldo,Elisabete S. Oliveira,Renato P. Maluta,Kaline B. Barboza,Karin Werther,Fernando A. Ávila 한국미생물학회 2017 The journal of microbiology Vol.55 No.5

In order to describe the role of wild birds and pigeons in thetransmission of shiga toxigenic Escherichia coli (STEC) andenteropathogenic Escherichia coli (EPEC) to humans and otheranimals, samples were collected from cloacae and oropharynxof free-living wild birds and free-living pigeons. Two STEC(0.8%) and five EPEC strains (2.0%) were isolated from wildbirds and four EPEC strains (2.0%) were recovered from pigeons. Serogroups, sequence types (STs) and virulence genes,such as saa, iha, lpfAO113, ehxA, espA, nleB and nleE, detectedin this study had already been implicated in human and animaldiseases. Multidrug resistance (MDR) was found in 25.0%of the pigeon strains and in 57.0% of the wild bird strains;the wild birds also yielded one isolate carrying extended-spectrumβ-lactamases (ESBLs) gene blaCTX-M-8. The high variabilityshown by PFGE demonstrates that there are no prevalentE. coli clones from these avian hosts. Wild birds and pigeonscould act as carriers of multidrug-resistant STEC andEPEC and therefore may constitute a considerable hazard tohuman and animal health by transmission of these strainsto the environment.

TEXTS TRAVELLING BEYOND THE WEST INTRODUCTION

Clarissa Vierke,Annachiara Raia 한국외국어대학교 아프리카연구소 2020 Asian Journal of African Studies Vol.- No.48

Paid Partnership : Users’ Trust in and Response towards Disclosed PPL on Instagram

Clarissa Kirana,Jong Woo Jun 한국외국어대학교 미디어커뮤니케이션연구소 2021 東西言路 Vol.52 No.-

최근 인스타그램의 소셜 미디어 인플루언서를 통한 광고는 광고주에 많은 인기를 얻고 있다.하지만 개 별 인플루언서 별로 광고주가 노출된 게시물은 소비자의 인식 방식과 광고에 대한 반응에 다른 영향을 미치게 된다. 본 논문은 소셜 미디어 인플루언서의 공개된 광고가 사람들의 행동 반응에 어떻게 영향 을 미치는지 알아보는 연구이다. 정보원 신뢰성(신뢰, 인지된 전문성 및 매력), 관계 특징, 기회주의적 행동, 그리고 설득 지식을 활용하여 특정 인플루언서에 의해 공개된 스폰서 광고에 대한 소비자 반응 을 알아보았다. 본 연구에서 제안된 연구모델과 가설은 204명의 인도네시아 및 대한민국 인스타그램 사용자를 대상으로 다음과 같은 결과를 보여준다. 소셜 미디어 인플루언서에 대한 소비자의 신뢰성은 상당한 효과를 보이며 광고를 공유하고 해당 제품의 구매하는데 영향을 미친다. 또한, 인도네시아 인스 타그램 사용자와 한국 인스타그램 사용자의 국적 차이가 제품 구전의도에 긍정적인 영향을 미치고 있 었다. 다만, 공개 조건에 관계없이 인플루언서의 인지된 매력, 전문성, 관계 특징, 기회주의적 행동 및 설득지식은 구전의도 및 구매의도에 영향을 미치지 못하였다. 본 연구의 결과는 인스타그램 광고에 대 한 연구 간극을 메우는 데 기여하며 이에 대한 이론적 및 실제적 함의가 더 논의되어 있다. Advertising through social media influencers on Instagram has gained so much popularity to brand owners in recent years. However, disclosed advertised posts by different SMIs on Instagram may impact how consumers perceive these advertising and how they will react in response to the exposed ad. This paper examines how social media influencers affect the behavioral response of Instagram users towards recent advertising disclosure on Instagram. Using source credibility (trustworthiness, perceived expertise, and attractiveness), relationship features, opportunistic behavior and persuasion knowledge, consumer responses to the disclosed sponsor ad by a particular SMI are measured. The proposed model and hypotheses are tested using a sample of 204 Indonesian and South Korean Instagram users. Results illustrate the following findings. Consumers’ trustworthiness towards the social media influencer results in a significantly positive effect and higher intention for them to share the ad through eWOM and indulge in the purchase of that products. Also, the differences in nationalities between Indonesian and South Korean Instagram users significantly prove to show a positive relationship with product eWOM. However, regardless of disclosure condition, SMIs’ perceived attractiveness, expertise, relationship features, opportunistic behavior and persuasion knowledge have been revealed to not have any significant relationships with eWOM and consumer’s purchase intention. Findings from this research contribute to fill the research gap on advertising through Instagram. Theoretical and practical implications are further discussed.

Effect of Microstructure Features on the Corrosion Behavior of the Sn‑2.1 wt%Mg Solder Alloy

Clarissa Cruz,Thiago Lima,Marco Soares,Emmanuelle Freitas,Eric Fujiwara,Amauri Garcia,Noé Cheung 대한금속·재료학회 2020 ELECTRONIC MATERIALS LETTERS Vol.16 No.3

The Sn–Mg eutectic alloy is a potential replacement for the traditional Sn-38.1 wt%Pb solder alloy, since lead has been bannedbecause of its risk to human health and the environment. However, studies in the literature related to the Sn-2.1 wt%Mgalloy are restricted to mechanical, electrical and thermal properties. Therefore, this study aims to evaluate the corrosionbehavior of this alloy, as a function of the microstructural arrangement obtained from directional solidifcation performedin a transient heat extraction regime. The thermal solidifcation parameters (solidifcation growth rate and cooling rate) weredetermined along the length of the casting for correlations with microstructural features. The resulting microstructure wascharacterized by scanning electron microscopy, energy-dispersive X-ray spectroscopy and X-ray difraction. Subsequently, theelectrochemical impedance spectroscopy, linear polarization, equivalent circuit and evolution of hydrogen release analyzeswere performed to evaluate the corrosion behavior of the samples in a 0.5 M NaCl solution at 25 °C. Interphase spacingand Mg2Sn fraction were found to infuence the corrosion behavior, showing higher corrosion resistance for a more refnedmicrostructure.

Sustainability Potentials of Informal Gold Recovery from Discarded Mobile Phones: E-waste Management Insights for Global Business and Trade

Clarissa M. Pesigan,Virginia J. Soriano The International Academy of Global Business and T 2020 The International Academy of Global Business and T Vol.16 No.2

Purpose - Electronic waste, or e-waste, continues to flourish as a result of exponential growth in technology. The large volume of e-waste generated can be a potential source of resource and energy, hence, providing a complementary means to the primary extraction of minerals such as copper and gold in addition to promoting a circular economic model. In the Philippines, informal gold recovery is one of the sinks for such e-waste. Design/Methodology/Approach - This study evaluated the potentials of informal gold recovery from end-of-life cellular phones from the perspective of environmental soundness and socio-economic viability. It aimed to serve as a baseline measurement of the economic benefits of e-waste material recovery to strengthen the need to establish an effective e-waste management framework and tap its potentials as an emerging sector in the economy. Process-based Life Cycle Assessment (LCA) was conducted using 100g Au with data collected much earlier. The resulting impacts to human health and the environment were determined following the procedure indicated in ReCiPe (2008). Benefit-cost (BC) ratio was also computed as the measure of economic benefit while, for the social impacts, a criticality score was computed. Findings - Results of the environmental impact assessment showed that informal gold recovery poses a large threat to human health due to the emitted gases. This result is verified by the high risk computed in the social impact assessment contributed primarily by the risk of poisoning, risk of acquiring eye injury and respiratory and nervous system diseases from inhalation of fumes. Nevertheless, the risks were lessened with improvements in the system. A benefit-cost ratio of 1.21 was computed, entailing an economic benefit from this practice, with labor cost contributing the highest. Research Implications - Informal gold recovery is potentially sustainable, but to reap the greatest benefits and reduce the risks, some actions or interventions at the operational and national level are needed, such as usage of less hazardous substances, reduction of labor and protection of workers, utilization of methods engineering to improve efficiency and cost-effectiveness, formulation and assessment of national e-wastes inventory, and implementation of an e-waste management system policy to harness global business and trade opportunities.

Effectiveness of Brand Awareness through Social Media in Generation Z and Millennial Fast-Food Consumer Acquisition

Clarissa R. Magbanua,Trixine Marie G. Olfato,Anne Cheri Marie N. Redota,Antonio E. Etrata Jr. KINFORMS 2021 Management Review Vol.16 No.2

This study focuses on analyzing the effects of brand awareness through the use of social media in consumer acquisition from Generation Y and Z, specifically in the fast-food industry. Specifically, it aims to investigate the impact of social media and brand awareness on consumer food habits, especially content created by a company s customers since it has been determined to have a research gap. The researchers used a stratified sampling method for this study because they had to split the data population into several clusters before the desired qualifications were fulfilled. In addition, the study s population is limited to two generations: Generation Y and Generation Z. The data were then analyzed on a survey of 385 participants. Given the constraints of the new pandemic, the testing instruments will be disseminated, compiled, and interpreted online. The results revealed that brand awareness and social media have a significant impact on consumer acquisition in both Generations Y and Z. In the fast-food industry, both of these factors are critical in encouraging customers to make a purchase.

Effects of Advertising Models’ Image on Health Porduct Advertising: A Focus on Moderating Roles of Advertising Appeals and Product Involvement

Clarissa Kirana,전종우,홍다현 한국방송학회 2019 한국방송학회 학술대회 논문집 Vol.2019 No.11

An Analysis on Characteristics of Ancient Indonesian Textiles (II)

Langi, Kezia-Clarissa,Park, Shinmi 한국복식학회 2016 服飾 Vol.66 No.7

An Analysis on Characteristics of Ancient Indonesian Textiles (Ⅰ)

Langi, Kezia-Clarissa,Park, Shinmi 한국복식학회 2016 服飾 Vol.66 No.6

An Observation on the Characteristics of Design and Aesthetics of Balinese ‘Sacred Cloths’

Langi, Kezia-Clarissa,Park, Shinmi 한국복식학회 2017 服飾 Vol.67 No.3