ENVIRONMENTAL SCIENCE AND POLICY MASTER’S PORTFOLIO

The following Environmental Science and Policy Master’s Portfolio is a compilation of works completed individually and with peers in order to fulfill requirements for the Master of Science degree. These works demonstrate breadth, depth, and the interdisciplinary nature of the course of study. As an undergraduate student at Clark University I studied Environmental Science with a concentration in Earth Systems Science. I was interested in learning about the natural world and wanted to develop a deeper connection to it. Inevitably, I was exposed to courses that examined the causes and effects of global climate change and this topic became my passion. The Environmental Science and Policy program has provided an opportunity to shift my focus from deepening my understanding of the questions about how, and why the climate is changing, to advancing my knowledge of what should come next. As a whole, I have focused my efforts on environmental policy and how businesses can respond to environmental issues such as global climate change. The following describes the interdisciplinary works contained in this portfolio, the skills and learning outcomes achieved, and how the individual projects, papers, and reports connect coherently

Anterior sacral meningocele

Three cases of an unusual congenital anomaly of the spinal column, anterior sacral meningocele, are reported. A brief review of the literature and discussion are presented.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/24537/1/0000816.pd

Synthesis, characterization, and water oxidation by a molecular chromophore-catalyst assembly prepared by atomic layer deposition. The “mummy” strategy

A Ru( ii )-polypyridyl chromophore-catalyst assembly for light-assisted water oxidation is constructed using atomic layer deposition with no covalent bonds between molecules required for bilayer formation

Cystourethrography: The effect of reservoir height upon intravesical pressure

The effect of infusion height upon intravesical pressure during cystography was studied in three dogs and three patients. Results indicate that during bladder filling the intravesical pressure is independent of the reservoir height.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/46721/1/247_2004_Article_BF00973671.pd

Use of intermittent self-catheterisation for voiding dysfunction

An article detailing the use of intermittent self-catheterisation for voiding dysfunction

Water-loss (intracellular) dehydration assessed using urinary tests, how well do they work? Diagnostic accuracy in older people

Background: Water-loss dehydration (hypertonic, hyperosmotic or intra-cellular dehydration) is due to insufficient fluid intake and distinct from hypovolemia due to excess fluid losses. It is associated with poor health outcomes such as disability and mortality in older people. Urine specific gravity (USG), color and urine osmolality have been widely advocated for screening for dehydration in older adults. Objective: To assess the diagnostic accuracy of urinary measures to screen for water-loss dehydration in older people.Design: This was a diagnostic accuracy study of people aged ≥65years taking part in the Dehydration Recognition In our Elders (DRIE, living in long-term care) or Dietary Strategies for Healthy Ageing in Europe (NU-AGE, living in the community) studies. The reference standard was serum osmolality, index tests included USG, urine color, osmolality, cloudiness, additional dipstick measures, ability to provide a urine sample, and volume of a random urine sample. Minimum useful diagnostic accuracy was set at sensitivity and specificity ≥70% or receiver operating characteristics plot area under the curve ≥0.70. Results: DRIE participants (67% women, mean age 86 years, n=162) had more limited cognitive and functional abilities than NU-AGE participants (64% women, mean age 70 years, n=151). 19% of DRIE and 22% of NU-AGE participants were dehydrated (serum osmolality >300mOsm/kg). Neither USG nor any other potential urinary tests were usefully diagnostic for water-loss dehydration. Conclusions: Although USG, urine color and urinary osmolality have been widely advocated for screening for dehydration in older adults, we show in the largest study to date that their diagnostic accuracy is too low to be useful and these measures should not be used to indicate hydration status in older people (either alone or as part of a wider tranche of tests). There is a need to develop simple, inexpensive and non-invasive tools for the assessment of dehydration in older people

LA DETERMINACIÓN DEL “ELEMENTO HISTÓRICO Y MORAL” DEL VALOR DE LA FUERZA DE TRABAJO

El objetivo de este artículo es discutir la interpretación marxista dominante respecto del significado de lo que Marx llamó el “elemento histórico y moral” del valor de la fuerza de trabajo y ofrecer una lectura alternativa que sea consistente con los fundamentos de la crítica marxiana de la economía política. Para tal fin, en la primera parte del artículo, se realiza una crítica de dicha interpretación basada en el reconocimiento de su génesis histórica y su filiación con la base textual y fundamentos de la crítica marxiana de la economía política. En la segunda parte, se realiza una reconstrucción crítica del legado de Marx respecto a la determinación del valor de la fuerza de trabajo y se presenta una resignificación del elemento histórico y moral en cuestión. A DETERMINAÇÃO DO “ELEMENTO HISTÓRICO E MORAL” DO VALOR DA FORÇA DE TRABALHOO objetivo deste artigo é discutir a interpretação marxista dominante sobre o significado do que Marx chamou de “elemento histórico e moral” do valor da força de trabalho e oferecer uma leitura alternativa atrelada aos fundamentos da crítica marxiana da economia política. Para tanto, na primeira parte do artigo, realizamos uma crítica da interpretação acima citada, baseada no reconhecimento de sua gênese histórica e sua filiação com a base textual e com os fundamentos da crítica marxiana da economia política. Na segunda parte, realizamos uma reconstrução crítica do legado de Marx quanto à determinação do valor da força de trabalho e apresentamos uma ressignificação do elemento histórico e moral em questão.Palavras-chave: Elemento histórico e moral. Valor da força de trabalho. Debates marxistas. Teoria marxista do salário.THE DETERMINATION OF THE “HISTORIC AND MORAL ELEMENT” OF THE VALUE OF LABOUR POWERThe aim of this article is to challenge the prevailing Marxist interpretation of what Marx called the “historical and moral component” of the value of labour-power, and to offer an alternative reading which is consistent with the foundations of the critique of political economy. In order to do so, the first part of the article develops a critique of the aforementioned Marxist view, on the basis of a reconstruction of its historical genesis, its support on textual evidence from Marx’s works and its theoretical consistency with the foundations of the critique of political economy. Subsequently, the second part of the article undertakes a critical reconstruction of Marx’s legacy on the determination of the value of labour-power and proposes a reconsideration of the meaning of its socalled “historical and moral” component.Keywords: Historical and moral element. Value of labour-power. Marxist debates. Marx’s theory of wages.LA DÉTERMINATION DE L “ÉLÉMENT HISTORIQUE ET MORAL” DE LA VALEUR DE LA FORCE DE TRAVAILL’objectif de cet article est de discuter de l’interprétation marxiste dominante de ce que Marx appelait “l’élément historique et moral” de la valeur de la force de travail et d’offrir une lecture alternative liée aux fondements de la critique marxienne de l’économie politique. Pour ce faire, dans la première partie de l’article nous critiquons l’interprétation susmentionnée, fondée sur la reconnaissance de sa genèse historique et son affiliation à la base textuelle et aux fondements de la critique marxienne de l’économie politique. Dans la deuxième partie, nous effectuons une reconstruction critique de l’héritage de Marx concernant la détermination de la valeur de la force de travail et nous y présentons une nouvelle signification de l’élément historique et moral en question.Mots-clés: Elément historique et moral. Valeur de la force de travail. Débats marxistes. Théorie marxiste du salaire

The neurogenic bladder: medical treatment

Neurogenic bladder sphincter dysfunction (NBSD) can cause severe and irreversible renal damage and bladder-wall destruction years before incontinence becomes an issue. Therefore, the first step in adequate management is to recognize early the bladder at risk for upper- and lower-tract deterioration and to start adequate medical treatment proactively. Clean intermittent catheterization combined with anticholinergics (oral or intravesical) is the standard therapy for NBSD. Early institution of such treatment can prevent both renal damage and secondary bladder-wall changes, thereby potentially improving long-term outcomes. In children with severe side effects or with insufficient suppression of detrusor overactivity despite maximal dosage of oral oxybutynin, intravesical instillation is an effective alternative. Intravesical instillation eliminates systemic side effects by reducing the first-pass metabolism and, compared with oral oxybutynin, intravesical oxybutynin is a more potent and long-acting detrusor suppressor. There is growing evidence that with early adequate treatment, kidneys are saved and normal bladder growth can be achieved in children so they will no longer need surgical bladder augmentation to achieve safe urinary continence in adolescence and adulthood