Digital Commons Network^™

In The Absence Of Family: How Ideas Of The Substitute Family In Honduran Children's Homes Shape Perception Of The Needs Of At-Risk Youth, Stephanie Bowman

Honors Theses

Through an interdisciplinary analysis of children’s homes in San Pedro Sula, Honduras, this project reflects on how conceptions of family affect the prioritization of the needs of the homes’ beneficiaries. One consequence of the impoverished nature of Honduras are orphaned, abandoned, mistreated, malnourished, abused, neglected and disowned children who have come to live in group children’s homes that, for the most part, meet their short-term physical needs. But what about children’s developmental, social and educational needs? In this study, we analyze what needs homes meet according to the kind of familial substitute they provide as either a group home or …

The Selective Synthesis Of Oxacalix[6]Arenes And The Exploration Of Azacalix[N]Arenes, W. Christian Crannell

Honors Theses

Calix[n]arenes, cyclIc molecules composed of "n" benzene rings meta-linked by a methylene to form a macrocycle, are very prevalent jn the literature and enjoy a wide range of applications. However, the oxygen bridged and nitrogen bridged systems, oxacalllx[n)arenes and azacalix[n]arenes, respectively, are far less common because they are synthetically challenging. Furthermore, the selective synthesis of oxacalix[6]arene systems has not previously been well documented, but the systems can now be accessed in a facile approach disclosed here. The insight and knowledge gained from the synthesis of oxacalix{6]arenes has provided a foray into the synthesis of azacalix[nlarenes.

Effects Of The Anticancer Agent Cloretazine On Human Apurinic Endonuclease-1 Activity, Jennifer L. Bushee

Honors Theses

The carbamolyating activity of Cloretazine, a novel anticancer prodrug, modifies protein function and acts synergistically with the choroethyalting species, which a1kylales DNA. The reactive subspecies responsible for carbamolylating activity is methyl isocyanate, which reacts with sulfhydryl groups and amines. DNA repair enzymes have been identified as potential targets for the modification by methyl isocyanate; in particular, base excision repair enzymes. Enzymes in DNA base excision repair include DNA polymerase beta (Pol ?) and apurinic/apyrimidic endonucease-l (APE/Ref-1). APE/Ref-1 hydrolyzes the 5' -phosphodiester DNA backbone from an abasic DNA template, where the base was excised by a DNA glycosylase. The entire nucleotide …

Rates Of Carbonate Dissolution In Permeable Sediments Estimated From Porewater Profiles: The Role Of Sea Grasses, David J. Burdige, Richard C. Zimmerman, Xinping Hu

OES Faculty Publications

In this study we estimate sediment carbonate dissolution rates for sandy sea grass sediments on the Bahamas Bank using an inverse pore-water advection/diffusion/reaction model constrained by field observations. This model accounts for sea grass O₂ input to these sediments, and also parameterizes pore-water advection through these permeable sediments as a nonlocal exchange process. The resulting rates of carbonate dissolution are positively correlated with sea grass density, and are comparable with previous rate estimates for Florida Bay sediments. In contrast, the advective uptake of O₂ by these sediments decreased with increasing sea grass density. This suggests that the competing …

Who Tolls The Bells For Firms? Tales From Transition Economies, Katharina Pistor

Faculty Scholarship

Bankruptcy law is regarded as an important mechanism for protecting creditor rights. Much of the current debate about bankruptcy law focuses exclusively on private creditors, ignoring the role of tax authorities as creditor in insolvent firms. Based on data from several transition economies, this essay documents the important, if not dominant, role tax authorities play as initiator of bankruptcy in these countries. While improved tax enforcement is crucial for tackling the problem of tax arrears and hardening the "soft budget-constraint" in former socialist countries, this essay suggests that the presence of the tax authorities as creditor may also affect the …

Radiocarbon Evidence For The Importance Of Surface Vegetation On Fermentation And Methanogenesis In Contrasting Types Of Boreal Peatlands, J. P. Chanton, P. H. Glaser, L. S. Chasar, David J. Burdige, M. E. Hines, D. I. Seigel, L. B. Tremblay, W. T. Cooper

OES Faculty Publications

We found a consistent distribution pattern for radiocarbon in dissolved organic carbon (DOC), dissolved inorganic carbon (DIC), and methane replicated across spatial and temporal scales in northern peatlands from Minnesota to Alaska. The ¹⁴C content of DOC is relatively modern throughout the peat column, to depths of 3 m. In sedge-dominated peatlands, the ¹⁴C contents of the products of respiration, CH₄ and DIC, are essentially the same and are similar to that of DOC. In Sphagnum- and woody plant-dominated peatlands with few sedges, however, the respiration products are similar but intermediate between the ¹⁴C contents of …

Silence Of The Laws? Conceptions Of International Relations And International Law In Hobbes, Kant, And Locke, Michael W. Doyle, Geoffrey S. Carlson

Faculty Scholarship

This Essay explains how the political theorists Hobbes, Kant, and Locke interpret the decision to go to war (us ad bellum) and the manner in which the war is conducted (just in bello). It also considers the implications of the three theories for compliance with international law more generally. It concludes that although all three can lay claim to certain key features of modern international law, it is Locke who provides the most complete support for both the laws of war, in particular, and with international law, in general.

Letting Guidelines Be Guidelines (And Judges Be Judges), Gerard E. Lynch

Faculty Scholarship

In a prescient New York Times op-ed piece entitled "Let Guidelines be Guidelines," written in response to the Supreme Court's decision in Blakely v. Washington, before certiorari was granted in United States v. Booker, Bill Stuntz of Harvard and Kate Stith Cabranes of Yale urged that the best solution for the constitutional crisis facing the United States Sentencing Guidelines would be to treat the Guidelines as guidelines, and not as a straightjacket. The Supreme Court evidently took a similar view, deciding in Booker that the Guidelines were constitutional only to the extent that they were not mandatory. The recent follow-up …

Co2 Sensitivity Of Southern Ocean Phytoplankton, Philippe D. Tortell, Christopher D. Payne, Yingyu Li, Scarlett Trimborn, Bjorn Rost, Walker O. Smith, Christina Riesselman, Robert B. Dunbar, Peter Sedwick, Giacomo R. Ditullio

OES Faculty Publications

The Southern Ocean exerts a strong impact on marine biogeochemical cycles and global air-sea CO₂ fluxes. Over the coming century, large increases in surface ocean CO₂ levels, combined with increased upper water column temps. and stratification, are expected to diminish Southern Ocean CO₂ uptake. These effects could be significantly modulated by concomitant CO₂-dependent changes in the region's biol. carbon pump. Here we show that CO₂ concentrations affect the physiology, growth and species composition. of phytoplankton assemblages in the Ross Sea, Antarctica. Field results from in situ sampling and ship-board incubation experiments demonstrate that inorganic …

Shallow Marine Carbonate Dissolution And Early Diagenesis-Implications From An Incubation Study, Xinping Hu, David J. Burdige

OES Faculty Publications

Surface carbonate sediments fro, sites on the Bahamas Bank with different seagrass densities were incubated across a range of O₂ delivery rates, to study the controls on metabolic carbonate dissolution in these sediments. The results continued the 1:1 ratio between the rates of O₂ consumption and carbonate dissolution, demonstrating that microbial respiration was the rate-limiting step in metabolic carbonate dissolution. Furthermore, the dissolution we observed was actually net dissolution resulting front Coupled dissolution and reprecipitation. This carbonate reprecipitation occurs on the time scale of days, and significantly alters the pore water dissolved inorganic carbon (DIC) stable isotopic composition. …

The Use Of Extractable Lipofuscin For Age Determination Of Crustaceans: Reply To Sheehy (2008), H. Rodger Harvey, David H. Secor, Se-Jong Ju

OES Faculty Publications

The heterogeneous mixture of metabolic by-products termed lipofuscin (LF) or age pigments has long been known to accumulate in post mitotic cells with increasing age. In crustaceans several approaches have been developed over the years to track LF accumulation and provide a proxy for chronological age. Histological approaches have been traditionally used for LF determination of crustaceans (e.g. Sheehy et al. 1994, Mar Biol 121:237-245), but over the last decade extraction approaches for neural tissues have been introduced (Ju et al. 1999, Mar Ecol Prog Ser 185:171-179) and tested (Ju et al. 2001, Mar Ecol Prog Ser 224:197-205; 2003, Fish …

Interactions Between Changing Pco2, N2 Fixation, And Fe Limitation In The Marine Unicellular Cyanobacterium Crocosphaera, Fei-Xue Fu, Margaret R. Mulholland, Nathan S. Garcia, Aaron Beck, Mark E. Warner, Sergio A. Sañudo, David A. Hutchins

OES Faculty Publications

We examined the physiological responses of steady-state iron (Fe)-replete and Fe-limited cultures of the biogeochemically critical marine unicellular diazotrophic cyanobacterium Crocosphaera at glacial (19 Pa; 190 ppm), current (39 Pa; 380 ppm), and projected year 2100 (76 Pa; 750 ppm) CO₂ levels. Rates of N₂ and CO₂ fixation and growth increased in step with increasing partial pressure of CO₂ (pCO₂), but only under Fe- replete conditions. N₂) and carbon fixation rates at 75 Pa CO₂ were 1.4-1.8-fold and 1.2-2.0-fold higher, respectively, relative to those at present day and glacial pCO_{2 …}

A Tribute To Peter George Brewer In Celebration Of His 65th Birthday, George T. F. Wong, Robert F. Anderson, Michael P. Bacon, Hein J. W. De Baar, James W. Murray, Mary I. Scranton

OES Faculty Publications

Peter George Brewer is an ocean chemist of the rare breed that can cross back and forth over the divide between being a front-line research scientist and being a research executive. As if that is not remarkable enough, in the process, he has also demonstrated sustained growth in the depth, breadth, and diversity of his scientific endeavors. Some of his formidable contributions to ocean chemistry have already been highlighted in a profile of him as a major mover and shaker in the field (Irion, 2001). Here, we provide additional glimpses of him from the perspective of a group of individuals …

Sublethal And Killing Effects Of Atmospheric-Pressure, Nonthermal Plasma On Eukaryotic Microalgae In Aqueous Media, Ying Zhong Tang, Xin Pei Lu, Mounir Laroussi, Fred C. Dobbs

OES Faculty Publications

In-depth studies on the interaction of nonthermal plasmas with microorganisms usually focus on bacteria; only little attention has been given to their effects on more complex eukaryotic cells. We report here nonthermal plasma's effects on cell motility, viability staining, and morphology of eukaryotic microalgae, with three marine dinoflagellates and a marine diatom as major targets. The effects on motility and viability staining depended on the time of exposure to plasma and the species of microalgae. We observed a strong pH decrease in aqueous samples (marine and freshwater algal cultures, their culture media, and deionized water) after exposure to plasma, and …

Forcing And Dynamics Of Seafloor-Water Column Exchange On A Broad Continental Shelf, William B. Savidge, Ann Gargett, Richard A. Jahnke, James R. Nelson, Dana K. Savidge, R. Timothy Short, George Voulgaris

OES Faculty Publications

Relict sediments of elevated permeability characterize the majority of continental shelves globally (Emery, 1968). In these settings, interactions between benthic boundary layer (BBL) flows and seabed topography generate pressure fluctuations that drive advective and dispersive porewater transport, dramatically increasing the magnitude and variability of porewater solute and particulate exchange across the sediment-water interface (Huettel et al., 1996; Huettel and Rusch, 2000). On broad shallow shelves with a relatively large area-to-volume ratio, the seafloor’s role is magnified. Energetic events may reorganize bedforms across a significant fraction of the shelf, leading to altered exchange dynamics that may persist long after the organizing …

Arctic Perennial Ice Cover Over The Last 14 Million Years, Dennis A. Darby

OES Faculty Publications

Knowledge of the long-term history of the perennial ice is an important issue that has eluded study because the Cenozoic core material needed has been unavailable until the recent Arctic Coring Expedition (ACEX). Detrital Fe oxide mineral grains analyzed by microprobe from the last 14 Ma (164 m) of the ACEX composite core on the Lomonosov Ridge were matched to circum-Arctic sources with the same mineral and 12-element composition. These precise source determinations and estimates of drift rates were used to determine that these sand grains could not be rafted to the ACEX core site in less than a year. …

Impacts Of Chromophoric Dissolved Organic Material On Surface Ocean Heating In The Chukchi Sea, Victoria J. Hill

OES Faculty Publications

Recent observations show visible light attenuation in the Arctic Ocean to be greater than previously assumed. High attenuation observed during the period prior to ice melt and increased phytoplankton production, was attributed primarily to the high levels of absorption by chromophoric dissolved organic material ( CDOM) present in these waters. Preliminary evidence suggests this material is produced by ice algae in the early spring. Optical data from the Chukchi shelf system collected in the spring and summer of 2002, were used to model energy absorption in the mixed layer by both dissolved and particulate material. In the spring, absorption by …

Human Rights In The United States, Sarah H. Cleveland, Catherine Powell

Faculty Scholarship

This year marks the tenth anniversary of the founding of the Human Rights Institute (HRI) at Columbia Law School. Appropriately, it also marks the sixtieth anniversary of the Universal Declaration of Human Rights, the foundational instrument of the modern international human rights regime.

When HRI was founded in 1998, it was established as a crossroads for human rights at Columbia, which would bridge theory and practice, human rights and constitutional rights, and law and other disciplines. From its inception, HRI has been a partner with the university-wide Center for the Study of Human Rights, which was established twenty years earlier …

Food Limitation In Larval Fish: Ontogenetic Variation In Feeding Scope And Its Potential Effect On Survival, Alexander B. Bochdansky, Peter Grønkjær, Pierre Pepin, William C. Leggett

OES Faculty Publications

We used the radiated shanny Ulvaria subbifurcataas a model species to explore the relative gut fullness from hatch to metamorphosis of wild larvae, and compared these values with those of laboratory-reared larvae fed at maximum rates. Ingestion rates of most wild larvae were above starvation levels but below the maximum feeding levels of laboratory-reared larvae. Twenty-six percent of freshly-hatched wild larvae and 11% of large, pre-settlement wild larvae had insufficient food in their stomach to satisfy metabolic requirements. These results, taken on their own, are consistent with the much hypothesized increased foraging performance and survival of larger larvae relative …

Turbulent Lifestyle: Microbial Mats On Earth’S Sandy Beaches—Today And 3 Billion Years Ago, Nora Noffke

OES Faculty Publications

Archean Earth history is very difficult to reconstruct. Until recently, only bacterial cells preserved in chert, microborings, and stromatolites provided the few clues to ancient life. Now, siliciclastic “microbially induced sedimentary structures” (MISS) are adding to our knowledge of both past life and paleoenvironments. MISS rise from the interaction of photoautotrophic microbial mats with physical sediment dynamics in siliciclastic, shallow-marine settings. Archean MISS can be understood through observations of living microbial mats and modern biotic-physical sedimentary processes. Such geobiological studies are key to the interpretation of the early evolution of prokaryotes. For example, the 2.9 Ga Pongola Supergroup, South Africa, …

On The Guise Of The Good, Joseph Raz

Faculty Scholarship

I will provisionally take the Guise of the Good thesis to consist of three propositions: (1) Intentional actions are actions performed for reasons, as those are seen by the agents. (2) Specifying the intention which makes an action intentional identifies central features of the reason(s) for which the action is performed. (3) Reasons for action are such reasons by being facts which establish that the action has some value. From these it is said to follow that (4) Intentional actions are actions taken in, and because of, a belief that there is some good in them. I will examine reasons …

Patterns Of Credit Card Use Among Low And Moderate Income Households, Ronald J. Mann

Faculty Scholarship

This chapter uses data from the Federal Reserve Board's Survey of Consumer Finances for 2004 (the "SCF") to examine the penetration of credit cards into LMI markets. The chapter has two purposes. First, I discuss the rise of the modern credit market, emphasizing the segmentation of product lines based on behavioral and financial characteristics of customer groups. Among other things, that trend involves the use of products aimed at LMI households that differ significantly from those aimed at middle-class households. Second, I describe the extent to which LMI households borrow on credit cards, the types of LMI households that borrow, …

Accountability And Competition In Securities Class Actions: Why "Exit" Works Better Than "Voice", John C. Coffee Jr.

Faculty Scholarship

A sizable literature on class actions has long suggested that the plaintiff’s attorney is an independent entrepreneur over whom the class members have only limited control. But the analysis cannot stop here. Why does this state of affairs exist? This essay will give two connected answers to this question as a prelude to evaluating what reforms are likely to work:

(1) The rules of "litigation governance" differ diametrically from those of corporate governance. An entrepreneur seeking capital for a business venture must convince investors to "opt in" and buy the securities of the entrepreneur's start-up corporation. In contrast, a plaintiffs …

Integrating Accommodation, Elizabeth F. Emens

Faculty Scholarship

Courts and agencies interpreting the Americans with Disabilities Act (ADA) generally assume that workplace accommodations benefit individual employees with disabilities and impose costs on employers and, at times, coworkers. This belief reflects a failure to recognize a key feature of ADA accommodations: their benefits to third parties. Numerous accommodations – from ramps to ergonomic furniture to telecommuting initiatives – can create benefits for coworkers, both disabled and nondisabled, as well as for the growing group of employees with impairments that are not limiting enough to constitute disabilities under the ADA. Much attention has been paid to how the integration of …

Experimental Law And Economics, Jennifer Arlen, Eric L. Talley

Faculty Scholarship

This chapter provides a framework for assessing the contributions of experiments in Law and Economics. We identify criteria for determining the validity of an experiment and find that these criteria depend upon both the purpose of the experiment and the theory of behavior implicated by the experiment. While all experiments must satisfy the standard experimental desiderata of control, falsifiability of theory, internal consistency, external consistency and replicability, the question of whether an experiment also must be contextually attentive - in the sense of matching the real world choice being studied - depends on the underlying theory of decision-making being tested …

Juvenile Crime And Criminal Justice: Resolving Border Disputes, Jeffrey Fagan

Faculty Scholarship

Rising juvenile crime rates during the 1970s and 1980s spurred state legislatures across the country to exclude or transfer a significant share of offenders under the age of eighteen to the jurisdiction of the criminal court, essentially redrawing the boundary between the juvenile and adult justice systems. Jeffrey Fagan examines the legal architecture of the new boundary-drawing regime and how effective it has been in reducing crime.

The juvenile court, Fagan emphasizes, has always had the power to transfer juveniles to the criminal court. Transfer decisions were made individually by judges who weighed the compet­ing interests of public safety and …

Recent Developments In Us Copyright Law: Part I – "Orphan" Works, Jane C. Ginsburg

Faculty Scholarship

This Comment, after a brief review of the nature of the orphan works problem and prior attempts to resolve it in the US, will analyze the current bills' provisions, both with respect to the limitation of remedies that constitutes the proposals' centerpiece, and to the conditions required to qualify for the limitation. I will also compare the US proposals with current European initiatives, and will assess the compatibility of the US proposals with international treaty norms, as well as the cross-border consequences of inconsistent US and EU orphan works regimes. I will conclude with some suggestions for amending the US …

Reason, Reasons And Normativity, Joseph Raz

Faculty Scholarship

All normative phenomena are normative in as much as, and because, they provide reasons or are partly constituted by reasons. This makes the concept of a reason key to an understanding of normativity. Believing that, I will here present some thoughts about the connection between reasons and Reason and between Reason and normativity.

Cleaning Up Lake River, Victor P. Goldberg

Faculty Scholarship

A casebook favorite for exploring the liquid dated damage/penalty clause distinction is Lake River Corp. v. Carborundum Co. in which Judge Posner found a minimum quantity clause to be an unenforceable penalty clause. In this paper I argue that the case was framed improperly. Had the litigators recognized that the contract afforded one party an option, the result should have been different. The contract was for the provision of a service – setting aside capacity – which was valuable to the buyer and costly for the seller to provide. The primary purpose of the minimum quantity clause was the pricing …

You Are There!, Richard M. Davidson

Faculty Publications

No abstract provided.