Assumption College is a private, Roman Catholic, liberal arts college located on 185 acres in Worcester, Massachusetts. Assumption has an enrollment of about 2,117 undergraduates. The college confers Bachelor of Arts degrees in its undergraduate program, Master of Arts and Masters of Business Administration degrees in its Graduate program, and Associate's degree through its Continuing Education program. Though majors in the science are offered, only Bachelor of Arts degrees are conferred. Wikipedia.
Fitzpatrick P.,Assumption College at Salisbury |
Caron R.,Boston University
Human Movement Science | Year: 2011
Recently there has been much interest in social coordination of motor movements, or as it is referred to by some researchers, joint action. This paper reviews the cognitive perspective's common coding/mirror neuron theory of joint action, describes some of its limitations and then presents the behavioral dynamics perspective as an alternative way of understanding social motor coordination. In particular, behavioral dynamics' ability to explain the temporal coordination of interacting individuals is detailed. Two experiments are then described that demonstrate how dynamical processes of synchronization are apparent in the coordination underlying everyday joint actions such as martial art exercises, hand-clapping games, and conversations. The import of this evidence is that emergent dynamic patterns such as synchronization are the behavioral order that any neural substrate supporting joint action (e.g., mirror systems) would have to sustain. © 2010 Elsevier B.V.
Doerfler L.A.,University of Massachusettes Medical School |
Doerfler L.A.,Assumption College at Salisbury |
Connor D.F.,University of Connecticut Health Center |
Toscano Jr. P.F.,University of Massachusettes Medical School
Journal of Affective Disorders | Year: 2011
Background: This study had two objectives: (1) examine characteristics of aggression in children and adolescents diagnosed with bipolar disorder and (2) determine whether the CBCL pediatric bipolar disorder profile differentiated youngsters with bipolar disorder from youngsters with ADHD. Method: Children and adolescents referred to a pediatric psychopharmacology clinic were systematically evaluated for psychopathology using a psychiatrist-administered diagnostic interview, parent- and teacher-report rating scales assessing the child's behavior, and child-completed self-report scales. In this sample, 27 children and adolescents were diagnosed with bipolar disorder and 249 youngsters were diagnosed with ADHD without co-occurring bipolar disorder. These two groups were compared to determine whether there were significant differences on various measures of psychopathology. Results: Youngsters diagnosed with bipolar disorder were more verbally aggressive and exhibited higher levels of reactive aggression than youngsters with ADHD without co-occurring bipolar disorder. Youngsters with bipolar disorder also reported higher levels of depressive symptoms than youngsters with ADHD without bipolar disorder. The CBCL pediatric bipolar disorder profile did not accurately identify youngsters diagnosed with bipolar disorder. Conclusions: The present findings present a picture of manic youngsters as verbally aggressive and argumentative, who respond with anger when frustrated. Youngsters diagnosed with bipolar disorder and ADHD exhibited significant levels of impulsive behavior and attention problems, but youngsters with bipolar disorder also exhibited significant levels of aggressive behavior and dysphoric mood. Finally, the CBCL pediatric bipolar disorder profile did not accurately identify youngsters who were diagnosed with bipolar disorder. © 2010 Elsevier B.V. All rights reserved.
Adhikari A.,Assumption College at Salisbury |
Lozano K.,University of Texas–Pan American
Journal of Polymer Research | Year: 2011
Differential scanning calorimetry (DSC) was used to investigate the crystallization behavior of polyethylene oxide (PEO) and carbon nanofiber (CNF) filled PEO systems under non-isothermal experimental conditions. The dispersion and distribution of CNF of the composites were studied using scanning electron microscopy. Studies showed the uniform segregation of CNFs in PEO. Different crystallization kinetic models were used to study the dependence of crystal nucleation on the filler content. Modified Avrami analysis showed that PEO undergoes change of crystallization from 3-D to 1-D crystal while going from primary to secondary crystallization. The crystallization kinetic of PEO reversed at CNF loading higher than 1 wt% of PEO. Based on modified Avrami and the combined approach of Avrami and Ozawa, it is concluded that the CNF retards the crystallization of PEO at all CNF loading under study. © 2010 Springer Science+Business Media B.V.
Ma Q.,Tufts University |
Georgiev G.,Tufts University |
Georgiev G.,Assumption College at Salisbury |
Cebe P.,Tufts University
Polymer | Year: 2011
The nanoscale phase behavior of a semicrystalline polymer is important for mechanical, thermal, optical and other macroscopic properties and can be analyzed well by thermal methods. Using quasi-isothermal (QI) heat capacity measurements, we investigate the formation behavior of the crystalline, mobile amorphous, and rigid amorphous fractions in poly(trimethylene terephthalate), PTT. The crystal and rigid amorphous phases comprise the total solid fraction in PTT at temperatures above T g, the glass transition temperature of the mobile amorphous fraction. PTT was quasi-isothermally cooled step-wise from the melt which causes its crystalline fraction to be fixed below 451 K. Between the high temperature fulfillment of the T g step and 451 K, the temperature dependent rigid amorphous fraction (RAF) is completely determined. For PTT, most of the RAF vitrifies between 451 K and T g step by step during QI cooling after the crystals have formed. The constraints imposed by the crystal surfaces reduce the mobility of the highly entangled polymer chains. We suggest the vitrification of RAF proceeds outward away from the lamellar surfaces in a step by step manner during QI cooling. Upon reheating, devitrification of RAF occurs at a temperature above its previous vitrification temperature, due to the effects of densification brought by physical aging during the long period of quasi-isothermal treatment. Finally, we consider recent concepts related to jamming, which have been suggested to apply to filled polymer systems, and may also be applicable in describing constraints exerted by crystal lamellae upon the RAF. © 2011 Elsevier Ltd. All rights reserved.
Asrat S.,Howard Hughes Medical Institute |
Asrat S.,Tufts University |
Dugan A.S.,Tufts University |
Dugan A.S.,Assumption College at Salisbury |
And 2 more authors.
PLoS Pathogens | Year: 2014
Many pathogens, particularly those that require their host for survival, have devised mechanisms to subvert the host immune response in order to survive and replicate intracellularly. Legionella pneumophila, the causative agent of Legionnaires' disease, promotes intracellular growth by translocating proteins into its host cytosol through its type IV protein secretion machinery. At least 5 of the bacterial translocated effectors interfere with the function of host cell elongation factors, blocking translation and causing the induction of a unique host cell transcriptional profile. In addition, L. pneumophila also interferes with translation initiation, by preventing cap-dependent translation in host cells. We demonstrate here that protein translation inhibition by L. pneumophila leads to a frustrated host MAP kinase response, where genes involved in the pathway are transcribed but fail to be translated due to the bacterium-induced protein synthesis inhibition. Surprisingly, few pro-inflammatory cytokines, such as IL-1α and IL-1β, bypass this inhibition and get synthesized in the presence of Legionella effectors. We show that the selective synthesis of these genes requires MyD88 signaling and takes place in both infected cells that harbor bacteria and neighboring bystander cells. Our findings offer a perspective of how host cells are able to cope with pathogen-encoded activities that disrupt normal cellular process and initiate a successful inflammatory response. © 2014 Asrat et al.
Davie E.A.C.,Assumption College at Salisbury
Journal of Chemical Education | Year: 2015
An adaptable multistep synthesis project designed for the culmination of a second-year organic chemistry laboratory course is described. The target compound is a terphenyl derivative that is an intermediate in the synthesis of compounds used in organic light-emitting devices. Students react a conjugated diene with dimethylacetylene dicarboxylate in a Diels-Alder reaction, then use enolate chemistry to isomerize and aromatize the adduct. Analysis of the synthesized intermediates and final compound is accomplished by thin-layer chromatography, NMR, and melting point. The synthesis can be expanded to four or five steps by linking to a previously published preparation of the diene. In addition to gaining experience with classic reactions in undergraduate organic chemistry courses, students are exposed to the utility of NMR spectroscopy by tracking subtle changes in the NMR spectra of structurally similar species. © 2015 The American Chemical Society and Division of Chemical Education, Inc.
Blair L.M.,University of Auckland |
Colby Davie E.A.,Assumption College at Salisbury |
Sperry J.,University of Auckland
Organic and Biomolecular Chemistry | Year: 2014
The natural product montamine was originally assigned as a homodimer of moschamine linked by a N-N′ bond at the serotonin side-chain. A total synthesis of the reported structure has shown this to be incorrect. Analysis of the spectroscopic data suggests that the dimerization site has been incorrectly assigned, and montamine is likely to be a 4,4′-bismoschamine natural product previously described in the literature. This journal is © the Partner Organisations 2014.
Hauri J.F.,Assumption College at Salisbury |
Niece B.K.,Assumption College at Salisbury
Journal of Chemical Education | Year: 2011
The use of silver in commercial products has proliferated in recent years owing to its antibacterial properties. Food containers impregnated with micro-sized silver promise long food life, but there is some concern because silver can leach out of the plastic and into the stored food. This laboratory experiment gives students the opportunity to design their own study to measure the leached silver via graphite furnace atomic absorption spectrophotometry. In this experiment, students stored deio-nized water, tap water, and acetic acid in two styles of silver food containers for a week. The less expensive version of the food container consistently had higher levels of leached silver. The acetic acid samples and microwaved samples also had higher silver levels. Students gained experience with sample design, chemical analysis, and data analysis.
Niece B.K.,Assumption College at Salisbury
Journal of Chemical Education | Year: 2012
A Microsoft Excel workbook is described that can be used to perform group theory calculations using character tables for 50 chemically significant point groups. The workbook will reduce arbitrary representations, calculate direct products, and identify erroneous representations. In addition, the character tables can be projected for use in the classroom or copied to a word-processor for publication. © 2012 The American Chemical Society and Division of Chemical Education, Inc.
Kalpidou M.,Assumption College at Salisbury |
Costin D.,Assumption College at Salisbury |
Morris J.,Assumption College at Salisbury
Cyberpsychology, Behavior, and Social Networking | Year: 2011
We investigated how Facebook use and attitudes relate to self-esteem and college adjustment, and expected to find a positive relationship between Facebook and social adjustment, and a negative relationship between Facebook, self-esteem, and emotional adjustment. We examined these relationships in first-year and upper-class students and expected to find differences between the groups. Seventy undergraduate students completed Facebook measures (time, number of friends, emotional and social connection to Facebook), the Rosenberg Self-Esteem Scale, and the Student Adaptation to College Scale. First-year students had a stronger emotional connection to and spent more time on Facebook while they reported fewer friends than upper-class students did. The groups did not differ in the adjustment scores. The number of Facebook friends potentially hinders academic adjustment, and spending a lot of time on Facebook is related to low self-esteem. The number of Facebook friends was negatively associated with emotional and academic adjustment among first-year students but positively related to social adjustment and attachment to institution among upper-class students. The results suggest that the relationship becomes positive later in college life when students use Facebook effectively to connect socially with their peers. Lastly, the number of Facebook friends and not the time spent on Facebook predicted college adjustment, suggesting the value of studying further the notion of Facebook friends. © Copyright 2010, Mary Ann Liebert, Inc.