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Articles 2161 - 2190 of 10098
Full-Text Articles in Entire DC Network
Life Without Parole Is Replacing The Death Penalty -- But For Those Who Don’T Have The Possibility Of Parole, Their Future Is Bleak., Jessica Lerner
Life Without Parole Is Replacing The Death Penalty -- But For Those Who Don’T Have The Possibility Of Parole, Their Future Is Bleak., Jessica Lerner
Capstones
Across the country, life sentences are increasingly being used to replace the death penalty, according to a recent study by The Sentencing Project. Nearly 162,000 people are serving life sentences – one out of every nine in prison, the study found – and for those like Darrell Powell, who don’t have the possibility of parole, their future is bleak.
https://jlerner.exposure.co/life-without-parole-is-replacing-the-death-penalty?source=share-jlerner
Proof Of Love: Immigration Through Marriage In The United States, Cai Pigliucci
Proof Of Love: Immigration Through Marriage In The United States, Cai Pigliucci
Capstones
Capstone Abstract: Cai Pigliucci
Proof of Love: Immigration through Marriage in the United States
In 2019, more than 300,000 couples applied for a green card through marriage for their non-American partner. Everyone who’s been through the process knows the agony of waiting. It is bureaucratic, expensive and seemingly endless.
The stakes are high -- you have to prove a bona fide (good faith) marriage, or your application could be rejected and you may not be able to live in the United States with your spouse. Essentially you have to prove your love is real. The fear is not for a …
When A Woman Goes To Jail, Renee Onque, Emily Nadal
When A Woman Goes To Jail, Renee Onque, Emily Nadal
Capstones
The United States holds 30% of the world’s incarcerated women and the laws protecting their specific needs while in the prison system differ by state. New York, Minnesota and Alabama are introducing innovative ways to improve the birthing experiences of women who are incarcerated. From programs that allow mothers to send their breast milk on dry ice to their babies to nurseries within prisons that allow babies to live with their moms for up to a year, these states are pushing for progressive changes for mothers in the system. https://reneeonque.github.io/capstone/
Designing A Knowledge-Based System (Kbs) To Study Consumer Purchase Intention: The Impact Of Digital Influencers In Pakistan, Sherbaz Khan, Aamir Rashid, Rizwana Rasheed, Noor Aina Amirah
Designing A Knowledge-Based System (Kbs) To Study Consumer Purchase Intention: The Impact Of Digital Influencers In Pakistan, Sherbaz Khan, Aamir Rashid, Rizwana Rasheed, Noor Aina Amirah
Publications and Research
Purpose – The purpose of this study is to present a complete framework that defines the link between choices and decision criteria based on existing research on digital influencers (DIs) connected to consumer purchase intentions. The primary goal of this article is to assess the effect of DIs on customer purchase intentions via the creation of an integrated knowledge-based system (KBS).
Design/methodology/approach – The suggested KBS is based on the fuzzy analytic hierarchy process (AHP), which creates a link between DI elements and their overall effect on consumer purchase intentions.
Findings – With the help of a KBS, the performance …
Librarians Don’T Use Google!: Breaking Stereotypes And Myths About Smart Searching, Nora B. Wood, Dhy Edwardsberry
Librarians Don’T Use Google!: Breaking Stereotypes And Myths About Smart Searching, Nora B. Wood, Dhy Edwardsberry
Urban Library Journal
Students often assume that librarians sit with their noses stuck in dusty volumes all day. These same students are typically surprised to learn that many librarians actually work extensively with online resources and are adept at navigating websites and databases to uncover the best information. What comes as even more of a surprise? Learning that librarians rely heavily on Google to conduct thorough and credible research.
In this article, the authors will discuss how they helped break this librarian stereotype and turned the tables on preconceived notions of how to conduct smart research using Google for a group of undergraduate …
Linguistically Responsive Instruction In Corequisite Courses At Community Colleges, Heather B. Finn, Sharon Avni
Linguistically Responsive Instruction In Corequisite Courses At Community Colleges, Heather B. Finn, Sharon Avni
Publications and Research
English Learners (ELs) attend community colleges at a greater rate than four-year schools, making community colleges primary sites of ESL education in American higher education. These institutions’ recent embrace of the corequisite structure – a pairing of a non-credit developmental course with a credit-bearing disciplinary content course in order to accelerate students’ progress in their coursework – has direct implications for ELs. As corequisites are enacted in a wide range of content areas, professors will need to attend to students’ language development in a wide range of disciplinary courses. This qualitative study applies Linguistically Responsive Instruction as a framework to …
Inter-Subject Correlation While Listening To Minimalist Music: A Study Of Electrophysiological And Behavioral Responses To Steve Reich’S Piano Phase, Tysen Dauer, Duc T. Nguyen, Nick Gang, Jacek P. Dmochowski, Jonathan Berger, Blair Kaneshiro
Inter-Subject Correlation While Listening To Minimalist Music: A Study Of Electrophysiological And Behavioral Responses To Steve Reich’S Piano Phase, Tysen Dauer, Duc T. Nguyen, Nick Gang, Jacek P. Dmochowski, Jonathan Berger, Blair Kaneshiro
Publications and Research
Musical minimalism utilizes the temporal manipulation of restricted collections of rhythmic, melodic, and/or harmonic materials. One example, Steve Reich’s Piano Phase, offers listeners readily audible formal structure with unpredictable events at the local level. For example, pattern recurrences may generate strong expectations which are violated by small temporal and pitch deviations. A hyper-detailed listening strategy prompted by these minute deviations stands in contrast to the type of listening engagement typically cultivated around functional tonal Western music. Recent research has suggested that the inter-subject correlation (ISC) of electroencephalographic (EEG) responses to natural audio-visual stimuli objectively indexes a state of “engagement,” demonstrating …
Closely Related Gull Species Show Contrasting Foraging Strategies In An Urban Environment, K. A. Lato, D. J. Madigan, R. R. Veit, L. H. Thorne
Closely Related Gull Species Show Contrasting Foraging Strategies In An Urban Environment, K. A. Lato, D. J. Madigan, R. R. Veit, L. H. Thorne
Publications and Research
The expansion of urban landscapes has both negative and positive effects on wildlife. Understanding how different species respond to urbanization is key to assessing how urban landscapes influence regional wildlife behavior and ecosystem structure. Gulls are often described as strong urban adapters, but few studies have explored species-specific differences in habitat use. Here, we use GPS tracking in conjunction with stable isotope analysis (SIA) to quantify the habitat use and trophic ecology of great black-backed gulls (Larus marinus) and herring gulls (L. argentatus) in an urbanized area. Non-Metric Multidimensional Scaling (NMDS) of foraging locations revealed significant differences in the habitat …
Quantum Mechanics-Based Computational Chemistry Has Become A Powerful Partner In The Scientific Research Of Nitrogen-Rich Compounds, Paving The Way For Important Advances In Biochemical, Pharmacological And Other Related Fields, Dobrushe Denburg
Student Theses and Dissertations
The Computational Chemistry of Nitrogen-Rich Compounds; Insight into Pioneering Research
Nitrogen-rich functional groups have long been studied for their diversity; nitrogen can form single, double and triple bonds with itself, and will therefore exist in a very broad range of molecular arrangements. Poly-nitrogen compounds are highly energetic and electron rich, and many compounds display unique properties that allow participation in very specialized chemical reactions. Of import is their ubiquity in biological systems, and throughout the past century and currently, their biological relevance is deeply and widely explored in biochemistry and biomedicine, from their involvement in natural biological processes and complex …
Committee On Instruction And Professional Development Minutes December 7, 2021, Bronx Community College Instruction Committee
Committee On Instruction And Professional Development Minutes December 7, 2021, Bronx Community College Instruction Committee
BCC Governance Archives
Minutes for the Committee on Instruction and Professional Development meeting on December 7, 2021.
Memory Distortion For Footage Of An Emotionally Disturbing Police/Civilian Encounter: Investigating The Influence Of Bias And Trauma, Eric A. Korzun
Memory Distortion For Footage Of An Emotionally Disturbing Police/Civilian Encounter: Investigating The Influence Of Bias And Trauma, Eric A. Korzun
Student Theses
Although body-worn cameras (BWCs) are expected to be objective tools for increasing police transparency and accountability, research refutes the idea that people can objectively view footage. Instead, research shows that people’s personal biases—for example, the extent to which people view the police like themselves, measured by the Identification with Police Scale (IPS; Tyler & Fagan, 2008) —shape how they view and interpret BWC footage (Jones, Crozier, & Strange, 2017). Additionally, studies of memory distortion reveal that people can come to remember traumatic events as worse than they originally experienced (Strange & Takarangi, 2012). Taken together, then, when viewing traumatic BWC …
Dna Extraction And Genotyping From Burned Skeletal Remains, Kayla M. Rooney
Dna Extraction And Genotyping From Burned Skeletal Remains, Kayla M. Rooney
Student Theses
In this research, bovine leg bones were burned, both with and without meat intact, in order to determine if it was possible to extract and amplify DNA to obtain profiles. The meat was burned over an open flame and the DNA was extracted using the Qiagen DNeasy Blood & Tissue Mini Kit, quantified with the NanoDrop, and amplified using the Bovine Genotypes Panel 3.1 Kit, and separated using the 3500 Genetic Analyzer. Profiles were analyzed using the Thermo Fisher Cloud Microsatellite Analysis software. The samples burned with the meat intact produced lower quantities of DNA than the bones burned with …
Development And Validation Of A Method For The Determination Of Designer Benzodiazepines In Hair By Liquid Chromatography Tandem Mass Spectrometry (Lc-Ms/Ms), Laura C. Defreitas
Development And Validation Of A Method For The Determination Of Designer Benzodiazepines In Hair By Liquid Chromatography Tandem Mass Spectrometry (Lc-Ms/Ms), Laura C. Defreitas
Student Theses
In recent years, new designer benzodiazepines have become a challenge in forensic toxicology. These substances are analogues of the classic benzodiazepines, but their pharmacology is not well known, and many of them have been associated with overdoses and deaths. As a result, there has been a surge in efforts to develop ways to accurately test for these compounds in different biological matrices. This study focused to develop and validate a method for determining 17 new designer benzodiazepines in hair by liquid chromatography tandem mass spectrometry (LC-MS/MS). Hair samples were decontaminated, pulverized, and 20 mg of the sample was incubated in …
The Impact Of Covid-19 On The Thai Probation Department, Thanaphon Nunphong
The Impact Of Covid-19 On The Thai Probation Department, Thanaphon Nunphong
Student Theses
The COVID-19 pandemic had a crucial impact on the Thai criminal justice system. While it may be true that the Department of Probation has proposed preventive and responsive measures in response to COVID-19, relatively little is known about the practical applications of these measures as well as the impact of COVID-19 on probation personnel, probationers, and parolees. The goal of this study is to explore the policies and practices of Thai probation agencies as they respond to the COVID-19 pandemic. This study surveyed probation officers in Thailand (N = 534; 60.6% Female) in March to April 2021, focusing on …
Impact Of Blood Collection Tubes In Cannabinoid Quantitative Analysis, Tega E. Obruche-Akponah
Impact Of Blood Collection Tubes In Cannabinoid Quantitative Analysis, Tega E. Obruche-Akponah
Student Theses
In forensic toxicological cases, sample stability and storage are pivotal for obtaining adequate analytical results. Currently, limited information is available about the impact of different preservatives and anticoagulants present in the blood tubes used in the collection of blood samples containing cannabinoids. This study investigated the impact of sodium fluoride (gray top) and sodium citrate (blue top) blood collection tubes on the concentrations of tetrahydrocannabinol (THC), cannabidiol (CBD), cannabinol (CBN) and 5 THC metabolites (THC-OH, THC-COOH, THC-diOH, THC-glucuronide, THCCOOH-glucuronide) in whole blood samples, stored at room temperature, 4ºC and -20ºC for up to 3.5 months. The samples were extracted using …
Support For Militant U.S. Foreign Policy: The Role Of Authoritarianism And International Xenophobia, Brandon M. Garcia
Support For Militant U.S. Foreign Policy: The Role Of Authoritarianism And International Xenophobia, Brandon M. Garcia
Student Theses
Right-Wing Authoritarianism (RWA) has been studied extensively in the domestic socio-political context, but its potential impact on foreign policy is still poorly understood. The current study replicated the putative two-factor model of the construct (Authoritarian Aggression/Submission and Conventionalism) and examined the associations of each factor with perceptions of overall danger to the U.S. posed by other countries and with the support for more militant U.S. foreign policy. As expected, both RWA factors correlated with self-reported levels of political conservatism (r = 0.32, r = 0.33; p < .001) Additionally, Authoritarian Aggression and Submission (but not Conventionalism) were correlated with increased perceived danger from foreign countries (r = .35; p < .001) and increased support for a more militant U.S. foreign policy (r = .25; p < .001). Participants higher in RWA were more likely to view the world as a hostile and threatening place, and in turn support more aggressive military action in response to those fears.
Dosage Matters: What Is Dosage, Doyoung Kim
Dosage Matters: What Is Dosage, Doyoung Kim
Student Theses
To reduce recidivism, many correctional programs and interventions have been introduced to offenders. Though, the rate of recidivism remains exceedingly high. To improve program outcomes, it is important to match the dosage of a program to risk levels. However, there is not a standardized definition and measurement of program dosage. This thesis extends the study on identifying the definition and measurement of dosage and the effectiveness of the programs by conducting a systematic review of prior research. The results indicate that as a treatment dosage, treatment duration was more frequently used compared to treatment intensity to reduce recidivism rate of …
Introduction: From Solidão, To Isolation, To Solidão-Rity, Luciane Ramos Silva, Tanya Saunders, Sarah S. Ohmer
Introduction: From Solidão, To Isolation, To Solidão-Rity, Luciane Ramos Silva, Tanya Saunders, Sarah S. Ohmer
Publications and Research
Solidão is a concept from Black Brazilian Gender Studies that does not have a US Black feminist or queer of color equivalent, nor does it translate into a single word in the English language. It describes shared isolation as an affective relational phenomenon with meanings as multiple as there are Black women. Solidão is inherent to the experiences of Black women considering the historical, social, and racial vectors that traverse individual experiences.
But how do you frame intersectional theory with Afro-Atlantic and African knowledge production outside of the United States? This is an introduction to the 2021 special issue of …
Book Review: Intercultural Perspectives On Research Writing, Edited By Pilar Mur-Dueñas And Jolanta Šinkūnienė (Amsterdam/Philadelphia: John Benjamins, 2018), David Sánchez-Jiménez
Book Review: Intercultural Perspectives On Research Writing, Edited By Pilar Mur-Dueñas And Jolanta Šinkūnienė (Amsterdam/Philadelphia: John Benjamins, 2018), David Sánchez-Jiménez
Publications and Research
No abstract provided.
God And Kant’S Suicide Maxim, Carlo Alvaro
God And Kant’S Suicide Maxim, Carlo Alvaro
Publications and Research
Kant’s argument against suicide is widely dismissed by scholars and often avoided by teachers because it is deemed inconsistent with Kant’s moral philosophy. This paper attempts to show a way to make sense of Kant’s injunction against suicide that is consistent with his moral system. One of the strategies adopted in order to accomplish my goal is a de-secularization of Kant’s ethics. I argue that all actions of self-killing (or suicide) are morally impermissible because they are inconsistent with God’s established nature and order. It is argued that the existence of God as the locus of moral value and duty …
Shhh-Tereotypes: A Conversation Among Librarians With Hearing Loss, Jill Cirasella, Lee Ann Fullington, Monica Berger, William Gargan
Shhh-Tereotypes: A Conversation Among Librarians With Hearing Loss, Jill Cirasella, Lee Ann Fullington, Monica Berger, William Gargan
Publications and Research
We are four hard of hearing librarians dependent on hearing aids. Our hearing loss complicates our work, often in ways that are not apparent to colleagues and patrons. In this article, based on our panel at the 2021 LACUNY Institute, we share our experiences, challenges, and self-accommodations, and offer suggestions for supporting and effectively communicating with hard of hearing colleagues.
Living With A Giant, Flowering Parasite: Metabolic Differences Between Tetrastigma Loheri Gagnep. (Vitaceae) Shoots Uninfected And Infected With Rafflesia (Rafflesiaceae) And Potential Applications For Propagation, Jeanmaire Molina, Dejan Nikolic, Jashvanth Raaj Jeevarathanam, Rinat Abzalimov, Eun‑Jung Park, Ronniel Pedales, Elmer‑Rico E. Mojica, Danilo Tandang, William Mclaughlin, Kyle Wallick, James Adams, Ari Novy, Susan K. Pell, Richard B. Van Breemen, John M. Pezzuto
Living With A Giant, Flowering Parasite: Metabolic Differences Between Tetrastigma Loheri Gagnep. (Vitaceae) Shoots Uninfected And Infected With Rafflesia (Rafflesiaceae) And Potential Applications For Propagation, Jeanmaire Molina, Dejan Nikolic, Jashvanth Raaj Jeevarathanam, Rinat Abzalimov, Eun‑Jung Park, Ronniel Pedales, Elmer‑Rico E. Mojica, Danilo Tandang, William Mclaughlin, Kyle Wallick, James Adams, Ari Novy, Susan K. Pell, Richard B. Van Breemen, John M. Pezzuto
Advanced Science Research Center
Main conclusion: Metabolites in Rafflesia-infected and non-infected Tetrastigma were compared which may have applications in Rafflesia propagation. Benzylisoquinoline alkaloids, here reported for the first time in Vitaceae, were abundant in non-infected shoots and may be a form of defense. In Rafflesia-infected shoots, oxylipins, which mediate immune response, were elevated.
Endemic to the forests of Southeast Asia, Rafflesia (Rafflesiaceae) is a genus of holoparasitic plants producing the largest flowers in the world, yet completely dependent on its host, the tropical grape vine, Tetrastigma. Rafflesia species are threatened with extinction, making them an iconic symbol of plant conservation. Thus …
Role Played By Edge-Defects In The Optical Properties Of Armchair Graphene Nanoribbons, Thi-Nga Do, Godfrey Gumbs, Danhong Huang, Bui D. Hoi, Po-Hsin Shih
Role Played By Edge-Defects In The Optical Properties Of Armchair Graphene Nanoribbons, Thi-Nga Do, Godfrey Gumbs, Danhong Huang, Bui D. Hoi, Po-Hsin Shih
Publications and Research
We explore the implementation of specific optical properties of armchair graphene nanoribbons (AGNRs) through edge-defect manipulation. This technique employs the tight-binding model in conjunction with the calculated absorption spectral function. Modification of the edge states gives rise to the diverse electronic structures with striking changes in the band gap and special flat bands at low energy. The optical-absorption spectra exhibit unique excitation peaks, and they strongly depend on the type and period of the edge extension. Remarkably, there exist the unusual transition channels associated with the flat bands for selected edge-modified systems. We discovered the special rule governing how the …
Intra-Participant And Inter-Analyst Cacophony: Working The Hyphen Between Modalities Using Provocative Reflexivity, David A. Caicedo, Andrea Nikté Juarez Mendoza, Miguel Pinedo
Intra-Participant And Inter-Analyst Cacophony: Working The Hyphen Between Modalities Using Provocative Reflexivity, David A. Caicedo, Andrea Nikté Juarez Mendoza, Miguel Pinedo
Publications and Research
Multimodal psychological research highlights the benefit of using complementary approaches to the phenomenological study of lived experience. Rather than focus on any individual method, this study attempts to concentrate on the transition, or hyphen, between them, as a place for reflexivity, ethics, and theory. Participants were 14 adults, recruited from ‘New York Community College’ and ‘New Jersey Community College’ in the U.S., who engaged in focus groups where they completed two activities: drawing a map of their personal journey to the college or of their self-identity, and their definitions for the immigration-related terms illegal and undocumented. Results demonstrated that …
How Phantom Networks, Provider Qualities, And Poverty Sway Medicaid Dental Care Access: A Geospatial Analysis Of Manhattan, Destiny Kelley, Shipeng Sun
How Phantom Networks, Provider Qualities, And Poverty Sway Medicaid Dental Care Access: A Geospatial Analysis Of Manhattan, Destiny Kelley, Shipeng Sun
Publications and Research
Access to general dental care is essential for preventing and treating oral diseases. To ensure adequate spatial accessibility for the most vulnerable populations, New York State mandates a ratio of one general dentist to 2000 Medicaid recipients within 30 min of public transportation. This study employed geospatial methods to determine whether the requirement is met in Manhattan by verifying the online directories of ten New York managed care organizations (MCOs), which collectively presented 868 available dentists from 259 facilities. Our survey of 118 dental facilities representing 509 dentists revealed that significantly fewer dentists are available to treat Medicaid recipients compared …
A Full-Factorial Randomized Controlled Trial Of Adjunct Couples Hiv Testing And Counseling Components Addressing Drug Use And Communication Skills Among Sexual Minority Male Couples, Tyrel J. Starks, Kory D. Kyre, Christine B. Cowles, Juan Castiblanco, Catherine Washington, Jayelin N. Parker, Erin M. Kahle, Rob Stephenson
A Full-Factorial Randomized Controlled Trial Of Adjunct Couples Hiv Testing And Counseling Components Addressing Drug Use And Communication Skills Among Sexual Minority Male Couples, Tyrel J. Starks, Kory D. Kyre, Christine B. Cowles, Juan Castiblanco, Catherine Washington, Jayelin N. Parker, Erin M. Kahle, Rob Stephenson
Publications and Research
Background: The past decade has seen increasing attention directed to the development of HIV prevention interventions for male couples, driven by epidemiological data indicating that main or primary – rather than causal – partnerships account for a substantial number of HIV infections in this population. Couples HIV testing and counseling (CHTC) has emerged as a standard of care in the US. This protocol describes a study that aims to evaluate the efficacy of two adjunct components to CHTC – communication training (CT) videos and a substance use module (SUM) – to reduce drug use and sexual HIV transmission risk …
Competition And Geography Underlie Speciation And Morphological Evolution In Indo-Australasian Monitor Lizards, Carlos J. Pavón-Vázquez, Ian G. Brennan, Alexander Skeels, J. Scott Keogh
Competition And Geography Underlie Speciation And Morphological Evolution In Indo-Australasian Monitor Lizards, Carlos J. Pavón-Vázquez, Ian G. Brennan, Alexander Skeels, J. Scott Keogh
Publications and Research
How biotic and abiotic factors act together to shape biological diversity is a major question in evolutionary biology. The recent availability of large datasets and development of new methodological approaches provide new tools to evaluate the predicted effects of ecological interactions and geography on lineage diversification and phenotypic evolution. Here, we use a near complete phylogenomic-scale phylogeny and a comprehensive morphological dataset comprising more than a thousand specimens to assess the role of biotic and abiotic processes in the diversification of monitor lizards (Varanidae). This charismatic group of lizards shows striking variation in species richness among its clades and multiple …
Peer-Led Team Learning In Mathematics: An Effort To Address Diversity And Inclusion Through Learning And Leadership, Janet Liou-Mark, Melanie L. Villatoro, Ariane Masuda, Malika Ikramova, Farjana Shati, Julia Rivera, Victor Lee
Peer-Led Team Learning In Mathematics: An Effort To Address Diversity And Inclusion Through Learning And Leadership, Janet Liou-Mark, Melanie L. Villatoro, Ariane Masuda, Malika Ikramova, Farjana Shati, Julia Rivera, Victor Lee
Publications and Research
The Peer-Led Team Learning (PLTL) model has shown to be an effective instructional method to support females, underrepresented minorities, and first-generation students in Science, Technology, Engineering, and Mathematics (STEM). The collaborative problem-solving setting, led by a peer leader, fosters learning that engages all the students. There are six critical components that are vital to the PLTL model: 1) The PLTL Workshop is integral to the course; 2) Faculty is actively involved; 3) Peer Leaders are well trained; 4) The PLTL Workshop modules are challenging; 5) PLTL workshops are allocated time and space; and 6) There is institutional support. City Tech …
The Nature Of Anti-Asian American Xenophobia During The Coronavirus Pandemic: A Preliminary Exploration Into Envy As A Key Motivator Of Hate, Daisuke Akiba
Publications and Research
Background. The current Coronavirus pandemic has been linked to a dramatic increase in anti-Asian American and Pacific Islander (AAPI) hate incidents in the United States. At the time of writing, there does not appear to be any published empirical research examining the mechanisms underlying Asiaphobia during the current pandemic. Based on the stereotype content model, we investigated the idea that ambivalent attitudes toward AAPIs, marked primarily with envy, may be contributing to anti-AAPI xenophobia. Methods. Study 1 (N = 140) explored, through a survey, the link between envious stereotypes toward AAPIs and Asiaphobia. Study 2 (N = 167), …
Needle In A Haystack: Detecting Subtle Malicious Edits To Additive Manufacturing G-Code Files, Caleb Beckwith, Harsh Sankar Naicker, Svara Mehta, Viba R. Udupa, Nghia Tri Nim, Varun Gadre, Hammond Pearce, Gary Mac
Needle In A Haystack: Detecting Subtle Malicious Edits To Additive Manufacturing G-Code Files, Caleb Beckwith, Harsh Sankar Naicker, Svara Mehta, Viba R. Udupa, Nghia Tri Nim, Varun Gadre, Hammond Pearce, Gary Mac
Publications and Research
Increasing usage of Digital Manufacturing (DM) in safety-critical domains is increasing attention on the cybersecurity of the manufacturing process, as malicious third parties might aim to introduce defects in digital designs. In general, the DM process involves creating a digital object (as CAD files) before using a slicer program to convert the models into printing instructions (e.g. g-code) suitable for the target printer. As the g-code is an intermediate machine format, malicious edits may be difficult to detect, especially when the golden (original) models are not available to the manufacturer. In this work we aim to quantify this hypothesis through …