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Full-Text Articles in Social and Behavioral Sciences

Exploring The Perceptions Of Citizens Of The Impact Of Community Policing In Two Ethnically Diverse, Low-Income Communities That Have National Safety Ratings Between 0% And 25% In San Diego County: A Phenomenological Study, Eric O'Neal Apr 2019

Exploring The Perceptions Of Citizens Of The Impact Of Community Policing In Two Ethnically Diverse, Low-Income Communities That Have National Safety Ratings Between 0% And 25% In San Diego County: A Phenomenological Study, Eric O'Neal

Dissertations

Purpose: The purpose of this qualitative phenomenological study was to describe citizen perceptions of the impact of community policing in 2 selected, ethnically diverse, low-income communities that have national safety ratings between 0% and 25%. The study explored the 8 pillars of community policing: partnerships, problem solving, procedural fairness, proscribed scope, protection, professionalism, purpose, and principles and their impact on citizens’ perception of their local law enforcement agencies.

Methodology: The study was qualitative with a phenomenological approach to research.

Findings: Findings from this study revealed that examination of study participant interviews, observations, and artifacts resulted in 22 themes and 689 ...


A Theoretical Model For Total Suction Effects By Tree Roots, Udeshini Pathirage, Buddhima Indraratna, Muditha Pallewattha, Ana Heitor Jan 2019

A Theoretical Model For Total Suction Effects By Tree Roots, Udeshini Pathirage, Buddhima Indraratna, Muditha Pallewattha, Ana Heitor

Faculty of Engineering and Information Sciences - Papers: Part B

Strengthening soft and weak soil by way of root reinforcement is a well-known strategy that is adopted worldwide. In Australia, native gum trees remain evergreen throughout the year and have been utilised to stabilise transportation corridors by way of reinforcement provided by the roots and the suction generated within the root domain as a function of evapotranspiration through the canopy. A mature gum tree can induce a missive total suction pressure exceeding 30MPa through its root water and solute uptake in terms of matric plus osmotic suction. This cumulative effect of matric and osmotic suctions contributes to the overall shear ...


Performance Evaluation Of Non-Gps Based Localization Techniques Under Shadowing Effects, Ngoc M. Nguyen, Le Chung Tran, Farzad Safaei, Son Lam Phung, Peter James Vial, Nam N. Huynh, Anne N. Cox, Theresa Harada, Johan Barthelemy Jan 2019

Performance Evaluation Of Non-Gps Based Localization Techniques Under Shadowing Effects, Ngoc M. Nguyen, Le Chung Tran, Farzad Safaei, Son Lam Phung, Peter James Vial, Nam N. Huynh, Anne N. Cox, Theresa Harada, Johan Barthelemy

Faculty of Engineering and Information Sciences - Papers: Part B

Non-GPS localization has gained much interest from researchers and industries recently because GPS might fail to meet the accuracy requirements in shadowing environments. The two most common range-based non-GPS localization methods, namely Received Signal Strength Indicator (RSSI) and Angle-of-Arrival (AOA), have been intensively mentioned in the literature over the last decade. However, an in-depth analysis of the weighted combination methods of AOA and RSSI in shadowing environments is still missing in the state-of-the-art. This paper proposes several weighted combinations of the two RSSI and AOA components in the form of pAOA + qRSSI, devises the mathematical model for analyzing shadowing effects ...


Dual Effects Of Tisio4composite Nanoparticles On Dispersionstability And Lubrication Performance Of Vegetable Oil‐In‐Water Emulsions, Reza Taheri, Buyung Kosasih, Hongtao Zhu, Anh Kiet Tieu Jan 2019

Dual Effects Of Tisio4composite Nanoparticles On Dispersionstability And Lubrication Performance Of Vegetable Oil‐In‐Water Emulsions, Reza Taheri, Buyung Kosasih, Hongtao Zhu, Anh Kiet Tieu

Faculty of Engineering and Information Sciences - Papers: Part B

Vegetable oil-in-water emulsions are potential metal-working lubricants. These emulsions are susceptible to oil-water phase separation due to the oil droplets' coalescence. In this study, we enhance the dispersion stability and lubricity of such emulsions with TiSiO4 nanoparticles (NPs). With 1 vol% soybean oil, stable emulsions are obtained with 0.25 to 0.75 wt% NPs, attributed to formation of shielding layers of NPs around the droplets. Lowest friction and wear are obtained without and with 0.25 wt% NPs, respectively. With increasing the NPs' mass fraction, NP-shielded droplets become less attracted to metal surfaces. Association of NPs within boundary film ...


Exploring The Link Between Genetics, Chronic Stress, And Depression, Michael Woller Dec 2018

Exploring The Link Between Genetics, Chronic Stress, And Depression, Michael Woller

Undergraduate Research and Creative Opportunities (URCO) Grant Program

Depression is a very debilitating mental illness that affects about 7% of the American Population [1] and up to about 350 million people worldwide [2]. Since the cause for depression and the reason why some individuals are more vulnerable than others are currently unclear, studying paradigms that model depression in animals, such as the learned helplessness paradigm, is useful to explore possible mechanisms and devise new treatments. To explore a possible link between genetics, chronic stress and depression, we have exposed mice vulnerable to stress to an inescapable forced swim paradigm. During the forced swim test, the mice were monitored ...


Political Advertising Saturation In The 2016 Iowa Caucuses, Jay Newell Sep 2018

Political Advertising Saturation In The 2016 Iowa Caucuses, Jay Newell

Journalism Publications

Allocating the optimum amount of campaign resources to advertising is a critical question for political managers. This research presents the case of the 2016 Iowa Caucuses, in which over $46 million of broadcast television advertising was purchased on behalf of 21 Republican and Democratic candidates and run in eight media markets over 9 months. Using Federal Communication Commission (FCC)-derived data from more than 3,700 political advertising contracts, and responses to two waves of surveys among Iowa voters, this research considers the connection between advertising weight (adspend) and political outcomes in a media-saturated campaign. In contrast to some earlier ...


Engineering's Effects On Communities Through An Ethical Framework, Bailey A. Reid Jun 2018

Engineering's Effects On Communities Through An Ethical Framework, Bailey A. Reid

Undergraduate Voices

Engineering is at the forefront of innovation and progression in our society, but often has various impacts on the communities in which projects take place. This article focuses on several ethical guidelines established through education and engineering’s effects on surrounding communities. Ethics inside of community actions and approach will also be explored.


Chronic Pain: Physiological Foundations, Psychological Effects, Common Treatments, And New Directions, Janel Chandler Jun 2018

Chronic Pain: Physiological Foundations, Psychological Effects, Common Treatments, And New Directions, Janel Chandler

Honors Senior Theses/Projects

Acute pain is categorized by a length of 3 to 6 months, is directly related to soft tissue damage, and gradually resolves as the injured tissues heal. Chronic pain is defined as any pain lasting longer than 12 weeks. Over 100 million Americans suffer from chronic pain, and the health care costs and productivity losses approach $635 billion annually (Institute of Medicine Committee on Advancing Pain Research and Education, 2011). The lack of clear quality standards for ethical/legal use of opiates, the presence of individuals abusing the system, and the lack of updated, and involved public policy make finding ...


Effects Of Immigration On Interpersonal Relationships With Others Amongst Native And Mexican-Born Mexican Americans, Juan Zaragoza Jun 2018

Effects Of Immigration On Interpersonal Relationships With Others Amongst Native And Mexican-Born Mexican Americans, Juan Zaragoza

Electronic Theses, Projects, and Dissertations

This study presents the findings of how and to what extent immigration effects Native and Mexican-born Mexican American’s relationships with others. This study was quantitative and measured participant’s levels and qualities of interactions with others. The participants in this study were students from California State University, San Bernardino’s School of Social Work. The student population that was targeted was Native and Mexican-born Mexican Americans. The participants were contacted via email and provided with a questionnaire that measured the quality and quantity of interpersonal relationships they held with others. The original sample size consisted of 53 participants but ...


Narcocorridos: Music, Defiance, And Violence In Transnational Contexts, Nallely G Murguia May 2018

Narcocorridos: Music, Defiance, And Violence In Transnational Contexts, Nallely G Murguia

Capstone Projects and Master's Theses

This research aims to explain and understand the effects that the music genre known as narcocorrido has on society, politics, and culture in Mexico and the United States. It provides a background on the history of narcocorridos and how it came be known as a symptom of the ongoing violence in Mexico. The Movimiento Alterado is also explored in this research project, as a product of narcocorrido singers who came together to glorify violence. A global aspect plays a big role in researching this topic as globalization and transnationalism reveal the complexity of politics, economics, and culture and its effects ...


Effects Of Sex Trafficking On Youth And Identification: A Literature Review, Karlee Hemmert Apr 2018

Effects Of Sex Trafficking On Youth And Identification: A Literature Review, Karlee Hemmert

Student Works

Fighting the effects of sex trafficking on youth is a challenge for many reasons, including negative effects of trafficking and the inability of victims to self-identity or realize they are being sexually exploited. This literature review examined current research on the physical, psychological, and social effects of sex trafficking on youth, and how to identify youth who do not self-identify as victims of sex trafficking. Current studies show that some physical effects youth victims of sex trafficking confront are sexually transmitted diseases (STD’s), other diseases and infections, physical injuries, substance abuse, and malnutrition. Studies also show that victims may ...


The Effects Of Nicotine On Maladaptive Alcohol Drinking, Isabella Stuart Jan 2018

The Effects Of Nicotine On Maladaptive Alcohol Drinking, Isabella Stuart

Research on Capitol Hill

  • Impulsivity is defined as choosing a smaller-sooner choice over a more rational larger-later choice.
  • Most delay discounting studies only investigate magnitude differences in the same reward.
  • Cross-commodity discounting consists of providing the opportunity for subjects to choose between a low quality reward that is available almost immediately and a higher quality reward that is available at a time delay. We will model this in an animal model with rats who have a choice between a relatively small amount of alcohol immediately and a relatively large amount of food at a delay.


Therapeutic Effects Of Prolonged Cannabidiol Treatment On Psychological Symptoms And Cognitive Function In Regular Cannabis Users: A Pragmatic Open-Label Clinical Trial, Nadia Solowij, Samantha J. Broyd, Camilla Beale, Julie-Anne Prick, Lisa-Marie Greenwood, Hendrika H. Van Hell, Chao Suo, Peter Galettis, Nagesh B. Pai, Shanlin Fu, Rodney J. Croft, Jennifer H. Martin, Murat Yucel Jan 2018

Therapeutic Effects Of Prolonged Cannabidiol Treatment On Psychological Symptoms And Cognitive Function In Regular Cannabis Users: A Pragmatic Open-Label Clinical Trial, Nadia Solowij, Samantha J. Broyd, Camilla Beale, Julie-Anne Prick, Lisa-Marie Greenwood, Hendrika H. Van Hell, Chao Suo, Peter Galettis, Nagesh B. Pai, Shanlin Fu, Rodney J. Croft, Jennifer H. Martin, Murat Yucel

Faculty of Social Sciences - Papers (Archive)

Chronic cannabis use has been associated with impaired cognition and elevated psychological symptoms, particularly psychotic-like experiences.


Prolonged Cannabidiol Treatment Effects On Hippocampal Subfield Volumes In Current Cannabis Users, Camilla Beale, Samantha J. Broyd, Yann Chye, Mark M. Schira, Peter Galettis, Jennifer H. Martin, Murat Yucel, Nadia Solowij Jan 2018

Prolonged Cannabidiol Treatment Effects On Hippocampal Subfield Volumes In Current Cannabis Users, Camilla Beale, Samantha J. Broyd, Yann Chye, Mark M. Schira, Peter Galettis, Jennifer H. Martin, Murat Yucel, Nadia Solowij

Faculty of Social Sciences - Papers (Archive)

No abstract provided.


Childhood Verbal Abuse And Its Psychological Effects On Adults, Lani Thomason Jan 2018

Childhood Verbal Abuse And Its Psychological Effects On Adults, Lani Thomason

Walden Dissertations and Doctoral Studies

Researchers have documented an increase in child abuse in the past 50 years. Child abuse is associated with many adult physical, emotional, social, and cognitive impairments. To date, physical and sexual abuse have received more attention than verbal abuse. There is a gap in the literature on the effect of verbal abuse on mental health. The purpose of this study was to examine the effects of verbal abuse in children on adult psychological functioning. A retrospective, casual-comparative design was used drawing a sample of adults (n = 224), ages 18 to 40, who reported verbal abuse as children as well as ...


Measuring The Effects Of A Mindfulness Intervention On Counselors’-In-Training Dispositions, Strength Of The Therapeutic Relationship, And Client Outcomes, Therese Louise Newton Jan 2018

Measuring The Effects Of A Mindfulness Intervention On Counselors’-In-Training Dispositions, Strength Of The Therapeutic Relationship, And Client Outcomes, Therese Louise Newton

Theses and Dissertations

Using a multiple baseline single case research design, the present study sought to measure the effects of a mindfulness intervention on counselors’-in-training facilitative dispositions of: (a) empathetic understanding, (b) level of regard, (c) unconditionality of regard, and (d) congruence (as observed through weekly in-session engagement with clients), and client outcomes (as measured by the Personal Growth Initiative Scale-II; [Robitschek et al., 2012] and the Outcomes Questionnaire-45.2; [Lambert et al., 1996]). In addition, the investigation examined the influence of counselors-in-training participation in a brief mindfulness intervention on clients’ perception of the strength of the therapeutic alliance (as measured by ...


Cross-Generational Effects Of Workplace Spirituality On Job And Life Satisfaction, Bobbie Bannerman Jan 2018

Cross-Generational Effects Of Workplace Spirituality On Job And Life Satisfaction, Bobbie Bannerman

Theses and Dissertations

The nature of work in the twenty-first century has changed substantially from that of the twentieth century. Distant and online work makes today’s workforce feel more isolated and disconnected from coworkers, while constant access to work technologies such as email, text messaging, and file sharing platforms may also lead workers to feel less connected at home as well. Workplace spirituality -including work-related opportunities to develop one’s inner life, higher senses of meaning and purpose, and interconnectedness -can serve to ameliorate the isolation and disconnection often experienced in today’s workplace. The literature reveals that workplace spirituality leads to ...


Effects Of A Classroom Intervention On Academic Engagement Of Elementary School Students With Anxiety, Lychelle Leatham May 2017

Effects Of A Classroom Intervention On Academic Engagement Of Elementary School Students With Anxiety, Lychelle Leatham

All Graduate Theses and Dissertations

This study evaluated the impact of anxiety reduction on academic engagement for eight students experiencing significant anxiety in grades three through five. All participating students showed high anxiety levels that appeared to be impacting performance on at least one academic task in the classroom, according to teacher report. Student participants received a modified cognitive behavioral therapy (CBT) in the form of five 20-minute sessions, in the school setting. Also as part of treatment participants completed exposure tasks, which involved the child participating in anxiety provoking academic tasks, with adult support. To assess whether or not anxiety was reduced, participants completed ...


The Effects Of Migration On Children's Rights, Sharyne Williams Apr 2017

The Effects Of Migration On Children's Rights, Sharyne Williams

Bridges: An Undergraduate Journal of Contemporary Connections

No abstract provided.


Frustrations, Fights, And Friendships: The Physical, Emotional, And Behavioural Effects Of High-Density Crowding On Mumbai’S Suburban Rail Passengers, Lily Hirsch, Kirrilly Thompson, Danielle Every Feb 2017

Frustrations, Fights, And Friendships: The Physical, Emotional, And Behavioural Effects Of High-Density Crowding On Mumbai’S Suburban Rail Passengers, Lily Hirsch, Kirrilly Thompson, Danielle Every

The Qualitative Report

Crammed together in tight folds of humanity, the suburban rail passengers of Mumbai, India, experience the most densely crowded trains in the world (Basu & Hunt, 2012). Whilst the immediate physical descriptors of crowdedness in Mumbai are well understood (Hirsch, 2016), there is little knowledge of the effect this has on the multitude of passengers. This is an important omission, as the effects of crowding on passengers impact their attitudes, travel behavior, and travel decisions. This paper therefore seeks to discern the physical, emotional, and behavioural effects of rail passenger crowding in Mumbai, India. To achieve this, a qualitative methodology, including ...


Assessing Collateral Consequences Accompanying Sex Offender Registration, Mikayla Brooke Charles Jan 2017

Assessing Collateral Consequences Accompanying Sex Offender Registration, Mikayla Brooke Charles

Online Theses and Dissertations

Sex Offenders are often the most feared group of offenders. In response to this fear, sex offender registries were created as a method for monitoring convicted offenders and for providing communities with a sense of security by publicizing information about potential predators nearby. The underlying questions are whether or not notification and registration laws actually reduce crime and make the community safer. According to the literature, and to the current study, they do not. However, community safety and recidivism rates are not the only factors that pose concern attributed to registration and notification. Researchers alike have argued that these practices ...


Effects Of Oil-In-Water Based Nanolubricant Containing Tio2 Nanoparticles In Hot Rolling Of 304 Stainless Steel, Wenzhen Xia, Jingwei Zhao, Hui Wu, Xianming Zhao, Xiaoming Zhang, Jianzhong Xu, Sihai Jiao, Zhengyi Jiang Jan 2017

Effects Of Oil-In-Water Based Nanolubricant Containing Tio2 Nanoparticles In Hot Rolling Of 304 Stainless Steel, Wenzhen Xia, Jingwei Zhao, Hui Wu, Xianming Zhao, Xiaoming Zhang, Jianzhong Xu, Sihai Jiao, Zhengyi Jiang

Faculty of Engineering and Information Sciences - Papers: Part B

Energy saving and improvement of product quality are of crucial importance in hot rolling of 304 stainless steel. In this paper, oil-in-water (O/W) based nanolubricants containing TiO2 nanoparticles were developed to reduce the rolling force and improve the surface quality of rolled 304 stainless steel product. Practical hot rolling tests with and without application of lubricant were conducted to systematically investigate the effects of the developed O/W based nanolubricants on the rolling force, surface roughness, oxide scale thickness and tribological behaviour. The obtained results indicate that the nanoparticles can enter the deform zone with oil droplets to ...


The Effects Of Power On The Processing Of Identity Threat, Matthew Facciani Jan 2017

The Effects Of Power On The Processing Of Identity Threat, Matthew Facciani

Theses and Dissertations

Identity theory provides a useful foundation for understanding how social factors influence the acceptance of evidence. This is because identity theory provides a framework of how we process information from other people depending on what social positions we occupy. The current study explored how the perception of power impacts the processing of an identity threat with college student participants (N=217). High power was predicted to decrease acceptance of identity-threatening information, and low power was predicted to increase acceptance of identity-threatening information. However, the study yielded non-significant effects of power on the acceptance of identity-threatening information. Results did show that ...


The Effects Of Incarceration Terms On The Well-Being Of African American Families, Rasheeda Imani Jones May 2016

The Effects Of Incarceration Terms On The Well-Being Of African American Families, Rasheeda Imani Jones

ETD Collection for AUC Robert W. Woodruff Library

The aim of the study was to examine the effects of incarceration terms on the well-being of African American families. This cross-sectional, quantitative study surveyed 72 participants, over the age of eighteen who has experienced a loved one incarcerated. The questionnaire of 25 items measured the participants' well-being and family structure. A Pearson's correlation test revealed a p of 0.49, indicating there is a statistically significant relationship between well-being of families and incarceration terms. The results of one-way ANOVA also revealed (F (4, 65) = 2.664, p< .05 indicating there is a statistically significant difference in levels of well-being, based on the relationship type. This research shows that cousins reported the lowest level of well-being. This holds implications for the social work profession. It suggests the need to understand the significance of collectivism in African American families. Collectivism is important because one's well-being is associated with that of their loved ones.


Etching Process Related Changes And Effects On Solid-Core Single-Mode Polymer Optical Fiber Grating, Kishore Bhowmik, Gang-Ding Peng, Yanhua Luo, Eliathamby Ambikairajah, Vedran Lovric, William R. Walsh, Ginu Rajan Jan 2016

Etching Process Related Changes And Effects On Solid-Core Single-Mode Polymer Optical Fiber Grating, Kishore Bhowmik, Gang-Ding Peng, Yanhua Luo, Eliathamby Ambikairajah, Vedran Lovric, William R. Walsh, Ginu Rajan

Faculty of Engineering and Information Sciences - Papers: Part A

Etching process related material and mechanical changes on solid-core single-mode polymer optical fiber (POF) and their influence on the characteristic properties of polymer fiber Bragg gratings (PFBGs) are studied. A poly(methyl methacrylate)-based POF is etched to different diameters, and it is experimentally demonstrated that etching can lead to a change in the Young's modulus of the fiber. It is found that etching process induced material changes of the polymer fiber can enhance the reflectivity and inherent sensitivity of PFBGs. It is demonstrated that gratings based on etched POF exhibit higher reflectivity with a shorter exposure time compared ...


Effects Of Salinity Build-Up On The Performance Of An Anaerobic Membrane Bioreactor Regarding Basic Water Quality Parameters And Removal Of Trace Organic Contaminants, Xiaoye Song, James A. Mcdonald, William E. Price, Stuart J. Khan, Faisal I. Hai, Hao H. Ngo, Wenshan Guo, Long D. Nghiem Jan 2016

Effects Of Salinity Build-Up On The Performance Of An Anaerobic Membrane Bioreactor Regarding Basic Water Quality Parameters And Removal Of Trace Organic Contaminants, Xiaoye Song, James A. Mcdonald, William E. Price, Stuart J. Khan, Faisal I. Hai, Hao H. Ngo, Wenshan Guo, Long D. Nghiem

Faculty of Engineering and Information Sciences - Papers: Part A

The effects of elevated inorganic salt concentration on anaerobic membrane bioreactor (AnMBR) treatment regarding basic biological performance and trace organic contaminant (TrOC) removal were investigated. A set of 33 TrOCs were selected to represent pharmaceuticals, steroids, and pesticides in municipal wastewater. Results show potential adverse effects of increase in the bioreactor salinity to 15 g/L (as NaCl) on the performance of AnMBR with respect to chemical oxygen demand removal, biogas production, and the removal of most hydrophilic TrOCs. Furthermore, a decrease in biomass production was observed as salinity in the bioreactor increased. The removal of most hydrophobic TrOCs was ...


Effects Of Hydraulic Pressure On Wrinkling And Earing In Micro Hydro Deep Drawing Of Sus304 Circular Cups, Liang Luo, Dongbin Wei, Xiaogang Wang, Cunlong Zhou, Qingxue Huang, Jianzhong Xu, Di Wu, Zhengyi Jiang Jan 2016

Effects Of Hydraulic Pressure On Wrinkling And Earing In Micro Hydro Deep Drawing Of Sus304 Circular Cups, Liang Luo, Dongbin Wei, Xiaogang Wang, Cunlong Zhou, Qingxue Huang, Jianzhong Xu, Di Wu, Zhengyi Jiang

Faculty of Engineering and Information Sciences - Papers: Part A

Influences of hydraulic pressure on forming features in micro hydro deep drawing are different from those in normal drawing due to the small size of specimens. In this study, micro hydro deep drawing of SUS304 sheets was carried out in order to study the impacts of the hydraulic pressure on the quality of the drawn cup. Experimental results indicate that there is a critical hydraulic pressure range from 3 to 6 % of the blank's initial yield stress, where wrinkling and earing development trends change twice. The wrinkling and the earing of the drawn cup also reach their local extremes ...


Balance Improvement Effects Of Biofeedback Systems With State-Of-The-Art Wearable Sensors: A Systematic Review, Christina Ma, Duo Wong, Wing K. Lam, Anson Wan, Winson Lee Jan 2016

Balance Improvement Effects Of Biofeedback Systems With State-Of-The-Art Wearable Sensors: A Systematic Review, Christina Ma, Duo Wong, Wing K. Lam, Anson Wan, Winson Lee

Faculty of Engineering and Information Sciences - Papers: Part A

Falls and fall-induced injuries are major global public health problems. Balance and gait disorders have been the second leading cause of falls. Inertial motion sensors and force sensors have been widely used to monitor both static and dynamic balance performance. Based on the detected performance, instant visual, auditory, electrotactile and vibrotactile biofeedback could be provided to augment the somatosensory input and enhance balance control. This review aims to synthesize the research examining the effect of biofeedback systems, with wearable inertial motion sensors and force sensors, on balance performance. Randomized and non-randomized clinical trials were included in this review. All studies ...


Partners' Perceptions Regarding Problematic Alcohol Use And The Effects With Romantic Relationships : A Qualitative Study, Meghan E. Wilson Jan 2016

Partners' Perceptions Regarding Problematic Alcohol Use And The Effects With Romantic Relationships : A Qualitative Study, Meghan E. Wilson

Theses, Dissertations, and Projects

This thesis is an inquiry into the role of partners’ perceptions concerning problematic alcohol consumption and its effects on romantic relationships. This study sought to unpack the role of perceptions within romantic relationships. The study’s sample included 12 participants who were currently involved in heterosexual romantic relationships for at least one year with significant others struggling with alcohol use. The study used an inductive, exploratory design implemented through a semi-structured interview. Within the category of perceptions of problematic drinking, three major themes emerged—disruption of social obligations and responsibilities; drinking in excess/ out of control alcohol consumption; drinking as ...


Tunable Particle Focusing In A Straight Channel With Symmetric Semicircle Obstacle Arrays Using Electrophoresis-Modified Inertial Effects, Dan Yuan, Chao Pan, Jun Zhang, Sheng Yan, Qianbin Zhao, Gursel Alici, Weihua Li Jan 2016

Tunable Particle Focusing In A Straight Channel With Symmetric Semicircle Obstacle Arrays Using Electrophoresis-Modified Inertial Effects, Dan Yuan, Chao Pan, Jun Zhang, Sheng Yan, Qianbin Zhao, Gursel Alici, Weihua Li

Faculty of Engineering and Information Sciences - Papers: Part A

In this work, a novel microfluidic platform for tunable particle focusing in a straight channel with symmetric semicircle obstacle arrays using electrophoresis (EP)-modified inertial effects was presented. By exerting an EP force on the charged microparticles, a relative velocity gap between microspheres and fluid in a straight channel with symmetric semicircle obstacle arrays was implemented. The relative velocity and fluid shear will induce shear-slip lift force (Saffman lift force) perpendicular to the mainstream direction. Therefore, the focusing pattern can be altered using the electrophoresis-induced Saffman force. The effects of electric field direction, flow rate, electric field magnitude, and particle ...