Digital Commons Network^™

High Throughput Analysis To Study Emerging Pollutants And Nanoparticle Fate In Biological Systems, Xiaolong He

Doctoral Dissertations

”The increasing applications of emerging and fugitive contaminants (EFCs) and engineered nanoparticles (ENPs) attract significant research interest for their potential risks to human health and the environment. In order to assess the health risks of these emerging contaminants, rapid and reliable analytical methods to measure the concentrations and fates of these contaminants are imperative. This dissertation focuses on the developments of advanced analytical methods and their applications to study those emerging contaminants in crop plant and simulated gastric fluid (SGF). Three types of mass spectrometry based methodologies have been developed, one is freeze-thaw/centrifugation extraction followed by high performance liquid chromatography …

Development Of Intelligent Stimuli-Responsive Biomaterials And Nanodevices, Shuo Yang

Doctoral Dissertations

"Structural DNA nanotechnology utilizes DNA molecules as building blocks to fabricate ordered artificial nanostructures at the molecular level. Among all DNA-based techniques, DNA origami has been considered as one of the most powerful tools for constructing artificial nanostructures with excellent programmability and addressability. Currently, most DNA origami nanostructures are static and do not have the ability to response to environmental stimulation. The development of environmental-responsive DNA origami nanostructures is a critical step towards the realization of intelligent dynamic DNA origami-based nanodevices. This research focuses on the design and fabrication process of both static and dynamic DNA origami nanostructures and their …

Managerial Entrenchment And Payout Policy: A Catering Effect, Daniel Gyimah, Ernest Gyapong

All Works

© 2020 Elsevier Inc. Agency theory suggests that entrenched managers are less likely to pay dividends. However, according to the catering theory, external pressures from investors can force managers to increase dividend payments. Hence, we test whether entrenched managers respond to investor demand for dividends and share repurchases. Using a large sample of 9677 US firms over the period 1990–2016 (i.e. a total of 80,478 firm-year observations), we test and find evidence that managerial entrenchment negatively impacts dividend payments. Our findings suggest that catering effects weaken the negative impact of managerial entrenchment on payout policy and that in firms with …

In The News, Ike Ionel, Jessica Tegt

Human–Wildlife Interactions

Items in the news.

Common Raven Nesting And Spatial Distancing On Power Lines In Southeast Idaho, Usa, Quinn R. Shurtliff, Jericho C. Whiting

Human–Wildlife Interactions

Common raven (Corvus corax; raven) abundance and distribution have increased in western North America in recent decades, facilitated by anthropogenic subsidies and other environmental changes. Electrical power transmission line structures provide nesting substrates for ravens. When these structures transect landscapes where natural nest substrates are limited, they may facilitate raven predation on eggs and juveniles of sensitive avian and reptile species. Little information is available regarding raven nest density trends on adjacent power lines or how raven territorial behavior influences spatial partitioning of nests, and hence, nest density. This knowledge would be valuable for managers of sensitive prey …

Demography, Morphometrics, And Stomach Contents Of Common Ravens Examined As A Result Of Controlled Take, Corinne M. Gibble, Kriss K. Neuman, Jessie Beck

Human–Wildlife Interactions

Common ravens (Corvus corax; ravens) are known nest predators that have the ability to negatively impact nesting birds, including imperiled species of seabirds and shorebirds. We conducted systematic necropsies of ravens that were lethally controlled in Monterey Bay, California, USA during 2013–2015, in or near western snowy plover (Charadrius nivosus nivosus) nesting areas, in an effort to better understand body condition, overall health, and diet of individual ravens. Raven predation of snowy plover nests has increased over the years in the Monterey Bay study area, and lethal removal of ravens has been employed to reduce predation. …

Efficacy Of Manipulating Reproduction Of Common Ravens To Conserve Sensitive Prey Species: Three Case Studies, Corina A. Sanchez, Brianne E. Brussee, Peter S. Coates, Kerry L. Holcomb, Seth M. Harju, Timothy A. Shields, Mercy Vaughn, Brian G. Prochazka, Steven R. Mathews, Steffen Cornell, Chad V. Olson, David J. Delehanty

Human–Wildlife Interactions

Expansion of human enterprise across western North America has resulted in an increase in availability of anthropogenic resource subsidies for generalist species. This has led to increases in generalists’ population numbers across landscapes that were previously less suitable for their current demographic rates. Of particular concern are growing populations of common ravens (Corvus corax; ravens), because predation by ravens is linked to population declines of sensitive species. Ecosystem managers seek management options for mitigating the adverse effects of raven predation where unsustainable predator–prey conflicts exist. We present 3 case studies examining how manipulating reproductive success of ravens influences …

Sharing Science Through Shared Values, Goals, And Stories: An Evidence-Based Approach To Making Science Matter, Bethann Garramon Merkle, Evelyn Valdez-Ward, Priya Shukla, Skylar R. Bayer

Human–Wildlife Interactions

Scientists in and beyond academia face considerable challenges to effectively sharing science, including lack of time and training, systemic disincentives, and the complexity of the modern media/attention landscape. Considering these constraints, 3 achievable shifts in mindset and practice can substantively enhance science communication efforts. Here, we provide evidence-based and experientially informed advice on how to center shared values, articulate science communication goals, and leverage the power of stories to advance our communication goals in connection with the values we share with our stakeholders. In addition to a discussion of relevant, foundational principles in science communication, we provide actionable recommendations and …

Explicit Tight Frames For Simulating A New System Of Fractional Nonlinear Partial Differential Equation Model Of Alzheimer Disease, Mutaz Mohammad, Alexander Trounev

All Works

This paper is devoted to develop a new mathematical model for Alzheimer disease based on a system of fractional-order partial differential equations. The system of Alzheimer disease includes neurons, astrocytes, microglias and peripheral macrophages, as well as amyloid β aggregation and hyperphosphorylated tau proteins. We consider the Caputo fractional derivative definition to analyze the formulated system by simulating the effect of drugs that either failed or currently in clinical trials. To simulate the model, we use tight frame (framelet) systems generated using the unitaryand oblique extension principle. According to the simulation results, and based on using such new direction of …

Files Cryptography Based On One-Time Pad Algorithm, Ahmad Mohamad Al-Smadi, Ahmad Al-Smadi, Roba Mahmoud Ali Aloglah, Nisrein Abu-Darwish, Ahed Abugabah

All Works

The Vernam-cipher is known as a one-time pad of algorithm that is an unbreakable algorithm because it uses a typically random key equal to the length of data to be coded, and a component of the text is encrypted with an element of the encryption key. In this paper, we propose a novel technique to overcome the obstacles that hinder the use of the Vernam algorithm. First, the Vernam and advance encryption standard AES algorithms are used to encrypt the data as well as to hide the encryption key; Second, a password is placed on the file because of the …

Use Of Factors In Development Estimates: Improving The Cost Analysis Toolkit, Matthew R. Markman, Jonathan D. Ritschel, Edward D. White

Faculty Publications

Factor Estimating is a technique commonly used by defense acquisition analysts to develop cost estimations. However, previous studies developing factors for the Engineering and Manufacturing Development (EMD) phase of the life cycle are limited. This research expands the current toolkit for cost analysts by developing cost factors in previously unexplored areas. More specifically, over 400 cost reports are utilized to create new standard cost factors that are delineated by five categories: commodity type, contract type, contractor type, development type, and Service. The factors are developed for those elements that are common in a wide array of projects such as program …

Modulation Of The Hyperfine Coupling In A Tbpc2 Single-Molecule Magnet With Electric Fields, David Fehr

Theses and Dissertations

In theory, a quantum computer can do everything a classical computer can do, and more. This is possible because of the principal difference between their respective fundamental units of computation. Classical computers use bits that can take on values of 0 or 1, but quantum computers use quantum bits, called qubits, that can take on values of 0, 1, or any combination of 0 and 1 by exploiting the rules of quantum mechanics. However, this quantum nature is extremely fragile and therefore it is imperative that qubits are protected from their environment. Conversely, qubits cannot be so isolated that their …

Multi-Level Resource Sharing Framework Using Collaborative Fog Environment For Smart Cities, Tariq Qayyum, Zouheir Trabelsi, Asad Waqar Malik, Kadhim Hayawi

All Works

No abstract provided.

A Moral Influenza: An Historical Archaeological Investigation Of The Prohibition Era In The United States 1920-1933, Kelli Michele Casias

Graduate Student Theses, Dissertations, & Professional Papers

The following exploration of National Alcohol Prohibition in the United States employs an interdisciplinary approach to understand the impetus of the large-scale defiance of liquor laws and to identify the physical manifestations of the social process of mass resistance in the archaeological record. Historical documentation, newspaper publications, oral histories, landscape analysis of road development in Montana, and an archaeological survey of a mountain homestead site where manufacturer of illicit alcohol took place are used to contextualize the Prohibition Era from the perspective of the offender. The research goals of this work are varied and include documentation of the archaeological footprint …

Disabling Injustice In The Higher Education Classroom, Daniel W. Eadens, Danielle M. Eadens, Christopher Lanterman

Faculty Scholarship and Creative Works

This chapter explores perspectives in higher education classrooms, specifically the need for social justice in education through inclusive and universal design/ universal design for learning (UD/UDL). The authors contacted colleagues regarding what worked to change paradigms and perspectives around issues of social justice and advocacy in classrooms. Three themes emerged, mirroring those of the literature reviewed: scholarly strategies, structured activities, and amplifying marginalized voices. The authors also discuss how accessible and inclusive approaches disable injustice and ableism in higher education classrooms by recognizing disability as an element of diversity and the need for inclusive approaches on college campuses and beyond. …

Delegation, Administration, And Improvisation, Kevin Arlyck

Georgetown Law Faculty Publications and Other Works

Nondelegation originalism is having its moment. Recent Supreme Court opinions suggest that a majority of justices may be prepared to impose strict constitutional limits on Congress’s power to delegate policymaking authority to the executive branch. In response, scholars have scoured the historical record for evidence affirming or refuting a more stringent version of nondelegation than current Supreme Court doctrine demands. Though the debate ranges widely, sharp disputes have arisen over whether a series of apparently broad Founding-era delegations defeat originalist arguments in favor of a more stringent modern doctrine. Proponents—whom I call “nondelegationists”—argue that these historical delegations can all be …

Complicity And Lesser Evils: A Tale Of Two Lawyers, David Luban

Georgetown Law Faculty Publications and Other Works

Government lawyers and other public officials sometimes face an excruciating moral dilemma: to stay on the job or to quit, when the government is one they find morally abhorrent. Staying may make them complicit in evil policies; it also runs the danger of inuring them to wrongdoing, just as their presence on the job helps inure others. At the same time, staying may be their only opportunity to mitigate those policies – to make evils into lesser evils – and to uphold the rule of law when it is under assault. This Article explores that dilemma in a stark form: …

Federal Courts: Art. Iii(1), Art. I(8), Art. Iv(3)(2), Art. Ii(2)/I(8)(3), And Art. Ii(1) Adjudication, Laura K. Donohue, Jeremy M. Mccabe

Georgetown Law Faculty Publications and Other Works

The distinction among the several types of federal courts in the United States has gone almost unremarked in the academic literature. Instead, attention focuses on Article III “constitutional” courts with occasional discussion of how they differ from what are referred to as “non-constitutional” or “legislative” courts. At best, these labels are misleading: all federal courts have a constitutional locus, and most, but not all, federal courts are brought into being via legislation. The binary approach further ignores the full range of federal courts, which are rooted in different constitutional provisions: Art. III(1), Art. I(8); Art. IV(3); Art. II(2)/I(8)(3); and Art. …

Trade, Economy, And Work: A Shared Agenda For A Stronger Economic Future, Alvaro Santos, Christopher Wilson

Georgetown Law Faculty Publications and Other Works

The economies of the United States and Mexico have become inextricably linked. For both countries, the other is their top trading partner, with an annual value of $616.38 billion in 2019. Beyond cross-border trade, however, our global competitiveness is linked due to the depth of manufacturing integration. As a result, job creation and export growth are largely regional enterprises. Well over a billion dollars in commerce crosses the border each day, and the GDP of the six Mexican and four U.S. border states is larger than the GDP of all but the three largest countries in the world.

The new …

Bivens And The Ancien Régime, Carlos Manuel Vázquez

Georgetown Law Faculty Publications and Other Works

In its most recent decision narrowly construing Bivens v. Six Unknown Named Agents of Federal Bureau of Narcotics, the Supreme Court derided Bivens as the product of an “‘ancien regime,’ ... [in which] the Court assumed it to be a proper judicial function to ‘provide such remedies as are necessary to make effective’ a statute’s purpose.” This Essay considers the relevance for Bivens claims of the Court’s shift to a nouveau régime to address the implication of private rights of action under statutes. It first describes and assesses the Court’s reasons for shifting to the nouveau r …

The Evolution And Jurisprudence Of The Foreign Intelligence Surveillance Court And Foreign Intelligence Surveillance Court Of Review, Laura K. Donohue

Georgetown Law Faculty Publications and Other Works

The past eight years have witnessed an explosion in the number of publicly-available opinions and orders issued by the Foreign Intelligence Surveillance Court and Foreign Intelligence Surveillance Court of Review. From only six opinions in the public domain 1978–2012, by early 2021, eighty-eight opinions had been released. The sharp departure is even more pronounced in relation to orders: from only one order declassified during 1978–2012, since 2013, 288 have been formally released. These documents highlight how the courts’s roles have evolved since 2004 and reveal four key areas that dominate the courts’ jurisprudence: its position as a specialized, Article III …

Hannah Arendt Meets Qanon: Conspiracy, Ideology, And The Collapse Of Common Sense, David Luban

Georgetown Law Faculty Publications and Other Works

A June 2020 survey found one in four Americans agreeing that “powerful people intentionally planned the coronavirus outbreak.” In fall 2020, seven percent said they believe the elaborate and grotesque mythology of QAnon; another eleven percent were unsure whether they believe it. November and December 2020 found tens of millions of Americans believing in election-theft plots that would require superhuman levels of coordination and secrecy among dozens, perhaps hundreds, of otherwise-unconnected and unidentified miscreants.

Conspiracy theories are nothing new, and they raise a question that preoccupied Hannah Arendt in The Origins of Totalitarianism: whatever happened to common sense? Arendt …

The Case For Chevron Deference To Immigration Adjudications, Patrick J. Glen

Georgetown Law Faculty Publications and Other Works

Chevron skepticism is in vogue in legal academia, as Professors Shoba Wadhia and Christopher Walker’s recent entry in the genre demonstrates. They place their project within the broader academic trend of arguing for limitations on the application of deference to various administrative decisions, but their aim is ultimately narrower—to show that “this case against Chevron has * * * its greatest force when it comes to immigration.”

The Professors are incorrect. Immigration adjudication presents one of the strongest cases for deference to administrative adjudication. This case is founded in the text of the statute itself and its myriad general and …

In Search Of Equality For Women: From Suffrage To Civil Rights, Nan D. Hunter

Georgetown Law Faculty Publications and Other Works

This article analyzes women’s rights advocacy and its impact on the meanings of gender equality during the period from the achievement of suffrage in 1920 until the 1964 Civil Rights Act. It teaches that one cannot separate the conceptualization of equality or the jurisprudential philosophy underlying it from the dynamics and characteristics of the social movements that actively give it life. Social movements identify the institutions and practices that will be challenged, decisions that in turn determine which doctrinal issues will provide the raw material for jurisgenerative change. Without understanding a movement’s strategy and opportunities for action, one cannot know …

Closing The Health Justice Gap: Access To Justice In Furtherance Of Health Equity, Yael Cannon

Georgetown Law Faculty Publications and Other Works

A massive civil “justice gap” plagues the United States. Every day, low-income Americans—and disproportionately people of color—go without the legal information and representation they need to enforce their rights. This can cost them their homes, jobs, food security, or children. But unmet civil legal needs in housing, employment, and public benefits, for example, are not simply injustices—they are well-documented drivers of poor health, or social determinants of health. Those marginalized by virtue of both race and socioeconomic status are particularly harmed by inaccessibility to justice and also by chronic health conditions and lower life expectancy. When a tenant walks into …

Arthur Linton Corbin, Gregory Klass

Georgetown Law Faculty Publications and Other Works

This chapter on Arthur Linton Corbin will appear in the forthcoming collection, Scholars of Contract Law. The chapter provides a brief summary of Corbin’s life, then discusses five topics: Corbin’s Socratic approach to the classroom and his introduction of the caselaw method at Yale; Corbin’s analytic approach, which was inspired by Hohfeld and is illustrated by Corbin’s definitions of “contract” and “consideration”; Corbin’s evolutionary theory of the common law, his understanding of the relationship between law and social mores, and his insistence that legal rules always be treated as mere “working rules”; Corbin’s occasional appeal, despite his general aversion …

Vertical Mergers In A Model Of Upstream Monopoly And Incomplete Information, Serge Moresi, David Reitman, Steven C. Salop, Yianis Sarafidis

Georgetown Law Faculty Publications and Other Works

We examine the role of private information on the impact of vertical mergers. A vertical merger can improve the information that is available to an upstream monopolist because, after the merger, the monopolist can observe the cost of its downstream merger partner. In the pre-merger world, because the costs of the downstream firms are private information, the monopolist has incomplete information and cannot implement the monopoly outcome: The expected pre-merger equilibrium price of the downstream product is lower than the monopoly price. After a vertical merger, the equilibrium input price that is charged to the downstream rival can either increase …

The Case Of The Dishonest Scrivener: Gouverneur Morris And The Creation Of The Federalist Constitution, William M. Treanor

Georgetown Law Faculty Publications and Other Works

At the end of the Constitutional Convention, the delegates appointed the Committee of Style and Arrangement to bring together the textual provisions that the Convention had previously agreed to and to prepare a final constitution. Pennsylvania delegate Gouverneur Morris drafted the document for the Committee, and, with few revisions and little debate, the Convention adopted Morris’s draft. For more than two hundred years, questions have been raised as to whether Morris covertly altered the text in order to advance his constitutional vision, but modern legal scholars and historians studying the Convention have either ignored the issue or concluded that Morris …

Race And Property Law, K-Sue Park

Georgetown Law Faculty Publications and Other Works

This chapter offers an outline for understanding the key role of race in producing property values in the history of the American property law system. It identifies major developments in the mutually formative relationship between race and property in America that made and remade property interests in America through the processes of 1) dispossessing nonwhites, 2) degrading their homelands, communities, and selves, and 3) limiting their efforts to enter public space and occupy or acquire property within the regime thereby established. First, it describes the use of law to create the two most important forms of property in the colonies …

The Corruption Of Copyright And Returning It To Its Original Purposes, Michelle M. Wu

Georgetown Law Faculty Publications and Other Works

Since its inception, Copyright has had two purposes: the private interest of the author in being paid for her work and the public interest served by the dissemination of these works. Within the last two decades, though, some industries have systematically undermined both of those interests, redirecting the benefits of copyright towards themselves instead of the intended beneficiaries. This paper looks at the book, music, and entertainment industries, examines how copyright has been used to suppress the uses it was intended to foster, and explores ongoing and proposed avenues for course correction.