Digital Commons Network^™

Rotating Optical Microcavities With Broken Chiral Symmetry, Raktim Sarma, Li Ge, Jan Wiersig, Hui Cao

Yale Day of Data

We develop a finite difference time domain simulation algorithm to simulate photonic structures in a rotating frame. Using, the algorithm, We numerically compute and demonstrate in open microcavities with broken chiral symmetry, quasi-degenerate pairs of co-propagating modes in a non-rotating cavity evolve to counter-propagating modes with rotation. The emission patterns change dramatically by rotation, due to distinct output directions of CW and CCW waves. By tuning the degree of spatial chirality, we maximize the sensitivity of microcavity emission to rotation. The rotation-induced change of emission is orders of magnitude larger than the Sagnac effect, pointing to a promising direction for …

The Fierce Green Fire: Vol 5 Issue 3, Wofford College Environmental Studies Program

The Fierce Green Fire

No abstract provided.

The Santa Clara, 2014-09-25, Santa Clara University

The Santa Clara

No abstract provided.

Ucc Minutes September 25, 2014, Kutztown University Curriculum Committee

UCC Minutes

No abstract provided.

Ua12/2/1 College Heights Herald, Vol. 90, No. 10, Wku Student Affairs

WKU Administration Documents

WKU campus newspaper reporting campus, athletic and Bowling Green, Kentucky news.

• Crumbie, Trey. Regents Committees to Meet on Friday
• Prchazka, Tyler. Against All Odds – John All
• Harney, LaShana. Campus Improvements Drives Student Government Association Meeting
• Harney, LaShana. Student Government Association Discusses LGBTQ Issues – Gays, Lesbians
• Lawson, Anna. History Department Holds Trivia Night
• Brown, Leah. Gatton Academy of Mathematics & Science Seniors Named National Merit Semifinalists
• Editorial Cartoon Crying Emoji
• Cole, Tanner. 10 Best Places to Cry on Campus
• Parker, Jacob. Find Relaxation in Daily Campus Life
• King, Jennifer. On the Air Photos – NewsChannel 12, WKYU-TV
• Jessie, Stephanie. …

Gaps And Opportunities: Ste(A)M In Early Childhood Education, Tonia Renee Durden

Discipline-Based Education Research Group Speaker Series

This research talk will share findings from an environmental scan of the STEM focused professional development programs offered within the Cooperative Extension System. A study was conducted to identify the programs’ content, delivery, scope, evaluation and partners. Results indicate that Extension has become a player in providing professional development opportunities for early childhood professionals and, with a focused effort on streamlining current resources, has the capacity to become a leader in this field.

The Comment, September 25, 2014, Bridgewater State University

The Comment

No abstract provided.

Theme Launches ‘Knowing What We Know’ Course In Spring, Ohio University College Of Arts & Sciences

All Forum Articles

No abstract provided.

Soundings 2014-09-25, N/A N/A

Soundings

No abstract provided.

Reference Databases Usage Statistics 2013-2014, Michael A. Cerbo Ii, Sarah Bannister

Technical Services Reports and Statistics

Statistics on the use of online reference databases at the University of Rhode Island during the period from July 2013 through June 2014. Includes COUNTER-compliant data on sessions, searches, turnaways, full text articles downloaded, and other metrics.

Ten Um Freshman Awarded Prestigious Honors College Scholarships, Misty Cowherd

University of Mississippi News

McDonnell Barksdale and Doris Raymond awards are among the university's most exclusive

The Use Of Carbon Dioxide Released From Coconut Shell Combustion To Produce Na2co3, Wasinton Simanjuntak, Simon Sembiring, Wan Abbas Zakaria, Kamisah D. Pandiangan

Makara Journal of Science

In this investigation, sodium carbonate (Na2CO3) was produced by reacting the CO2 released from coconut shell combustion with NaOH solution with molar concentrations of 6.5, 7.0, 7.5, and 8.0 M. The main purpose of the study was to assess the potential of the proposed method for mitigation of the CO2 gas released into the atmosphere by the coconut shell industry. The Na2CO3 powder produced was oven-dried at 110 oC and subsequently characterized using FTIR, XRD, and SEM/EDS techniques. Thermal analysis was also carried out using DTA/TGA to investigate the thermal mechanisms of sodium carbonate formation. The experimental results show that …

Diversity And The Composition Of Fatty Acids Of Lipolytic Bacteria Isolated From Soil And Aquatic Sediment In A Forest And On An Oil Palm Plantation, Marini Wijayanti, Anja Meryandini, Aris Tri Wahyudi, Munti Yuhana

Makara Journal of Science

The specific bacteria in forests and on oil palm plantations are lipolytic bacteria. Their enzymes have been applied in the agro-aquaculture, food, detergent, pharmaceutical, dairy, and biodiesel-biokerosene industries. This study describes the diversity of cultivable lipolytic bacteria from soil and aquatic sediment in a forest and on an oil palm plantation and their fatty acid products. Soil samples used in this research were obtained from topsoil in a lowland forest and on an oil palm plantation and from sediments in fresh water near these sites. The forest is located in Bukit Duabelas National Park, and the oil palm plantation is …

Investigating The Fractal Nature Of Individual User Netflow Data, Levi Malott, Sriram Chellappan

Computer Science Faculty Research & Creative Works

Modeling and characterizing Internet traffic has been a widely studied problem since the conception of the Internet. The self-similar, bursty nature of the traffic has led to a number of conventional statistical models that unfortunately provide relatively weak modeling power. Recently, fractal analysis techniques have emerged to better characterize and model Internet traffic data. However, past research studies have focused on describing and quantifying the fractal nature of Internet traffic on user groups, instead of a single user. In this paper the authors investigate the issue of individual users exhibiting fractal (self-similar behavior) behavior across multiple application types. Using real …

The Status Of Fishes In The Missouri River, Nebraska: Shovelnose Sturgeon (Scaphirhynchus Platorynchus), Kirk D. Steffensen, Sam Stukel, Dane A. Shuman

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

The Shovelnose Sturgeon Scaphirhynchus platorynchus remains the most abundant riverine sturgeon species in North American despite the anthropogenic modifications that have occurred throughout their historic range; however, their populations have declined throughout Nebraska since the construction of Fort Randall and Gavins Point Dams. Therefore, the objective of this study was to present the current status of Shovelnose Sturgeon in the Missouri River along Nebraska’s border. Data was acquired from 2003 to 2012 from all reaches of the Missouri River along Nebraska’s eastern border. Catch rates of Shovelnose Sturgeon increased in a downstream trend and were highest in the reach below …

Angiopoietin-1, Angiopoietin-2 And Bicarbonate As Diagnostic Biomarkers In Children With Severe Sepsis, Kun Wang, Vineet Bhandari, John S. Giuliano, Corey S. O′Hern, Mark D. Shattuck, Michael Kirby

Publications and Research

Severe pediatric sepsis continues to be associated with high mortality rates in children. Thus, an important area of biomedical research is to identify biomarkers that can classify sepsis severity and outcomes. The complex and heterogeneous nature of sepsis makes the prospect of the classification of sepsis severity using a single biomarker less likely. Instead, we employ machine learning techniques to validate the use of a multiple biomarkers scoring system to determine the severity of sepsis in critically ill children. The study was based on clinical data and plasma samples provided by a tertiary care center's Pediatric Intensive Care Unit (PICU) …

Dmctcp: Desynchronized Multi-Channel Tcp For High Speed Access Networks With Tiny Buffers, Cheng Cui, Lin Xue, Chui Hui Chiu, Praveenkumar Kondikoppa, Seung Jong Park

Computer Science Faculty Research & Creative Works

The past few years have witnessed debate on how to improve link utilization of high-speed tiny-size buffer routers. Widely argued proposals for TCP traffic to realize acceptable link capacities mandate: (i) over-provisioned core link bandwidth; and (ii) non-bursty flows; and (iii) tens of thousands of asynchronous flows. However, in high-speed access networks where flows are bursty, sparse and synchronous, TCP traffic suffer severely from routers with tiny buffers. We propose a new congestion control algorithm called Desyn-chronized Multi-Channel TCP (DMCTCP) that creates a flow with multiple channels. It avoids TCP loss synchronization by desynchronizing channels, and it avoids sending rate …

Model Of Steady State Cyclohexane Oxidation For Ketone-Alcohol (K-A) Oil Production, Rudy Agustriyanto, Akbarningrum Fatmawati

Makara Journal of Science

Cylohexane oxidation is of great industrial importance in the production of intermediates for the manufacture of nylon6 and nylon-6,6. Most cyclohexane is commercially converted into a cyclohexanone–cyclohexanol mixture (known as K-A oil) by catalytic oxidation. K-A (Ketone-Alcohol) oil is then used as a raw material for adipic acid and caprolactam production. Practically, if the cyclohexanol content of KA oil is higher than that of cyclohexanone, it is more profitable to convert it into adipic acid; otherwise caprolactam production is more likely. The steady state cyclohexane oxidation reaction model in a stirred tank reactor for K-A oil production is presented and …

Development Of Immunochromatographic Strip Tests For Selective And Quantitative Detection Of Melamine, Wiyogo P. Wicaksono, Tribidasari A. Ivandini, Endang Saepudin, Yasuaki Einaga

Makara Journal of Science

An immunochromatographic strip test based on the complex reaction of antigen-antibody (melamine-antimelamine) was developed for quantitative detection of melamine. Gold nanoparticles (AuNP) were used to form AuNP-labeled antibody, which then acted as a biosensor. Melamine quantification was performed by the determination of AuNP using anodic stripping voltammetry technique with a boron-doped diamond as the working electrode. With sample volume of 100 µL and immunoreaction time of 7 min, the developed immunochromatographic strip test produced a linear calibration curve for melamine concentration range of 0–0.6 mg/L, with detection limit of 0.1 mg/L and RSD of ~5%. Furthermore, negative results were obtained …

Suspension Stability And Characterization Of Chitosan Nanoparticle–Coated Ketoprofen Based On Surfactants Oleic Acid And Poloxamer 188, Nur Qadri Rasyid, Purwantiningsih Sugita, Laksmi Ambarsari, Gustini Syahbirin

Makara Journal of Science

In this research, ketoprofen was used as a drug model in the preparation of chitosan nanoparticles as a potential drug delivery system through the ionic gelation process with tripolyphosphate (TPP). The particle size analysis (PSA) revealed that the average particle size, polydispersity index (PI), and entrapment efficiency of chitosan nanoparticles prepared with oleic acid were 253.7 nm and 0.375 with drug entrapment efficiency of 73.30%. Those prepared with poloxamer 188 were 242.94 nm and 0.302 with drug entrapment efficiency of 87.89%. Scanning electron microscopy (SEM) analysis showed that the shapes of the nanoparticles, both prepared with oleic acid and poloxamer …

Phase Diagrams And Current Density Profiles Of The Totally Asymmetric Simple Exclusion Process In Two Dimensions, For A Three-Way Junction, Rini Septiana, Annisa Indriawati, Wipsar Sunu Brams Dwandaru

Makara Journal of Science

This study explores a dynamical model called the totally asymmetric simple exclusion process (TASEP) in two dimensions (2D). An open boundary condition is specified for the model, and sequential updating dynamics are used as the dynamical rule. The system studied is a discrete 2D system of lattice sites, which are modified into a three-way junction. Two cases are considered: a three-way junction with two entrances and one exit, and a three-way junction with one entrance and two exits. The density and current density of the system are determined numerically, such that a phase diagram is obtained. The continuity equation describing …

E-Darwin: Energy Aware Disaster Recovery Network Using Wifi Tethering, Mayank Raj, Krishna Kant, Sajal K. Das

Computer Science Faculty Research & Creative Works

In this paper, we propose a novel architecture called Energy Aware Disaster Recovery Network using Wi-Fi Tethering (E-DARWIN). The underlying idea is to make use of Wi-Fi Tethering technology ubiquitously available on wireless devices, like smartphones and tablets, to set up an ad hoc network for data collection in disaster scenarios. To this end, we design novel mechanisms, which aid in autonomous creation of the ad hoc network, distribution of data capturing task among the devices, and collection of data with minimum delay. Specifically, we design and implement a distributed coalition formation game for distributing the data capturing task among …

Synthetic Lethality As A Promising Approach For Targeted Cancer Prevention, Wei Tu, Hua Wang, Guang Peng

Mathematical Sciences: Faculty Publications

Carcinogenesis is recognized as a multistep process. It occurs over a relative long span of time, which offers intervention opportunities for cancer prevention [1] . Using drugs to prevent cancer rather than treat cancer is the major research goal in the field of ‘chemoprevention’. Tremendous research efforts have been devoted toward using natural, synthetic or biological agents to prevent, suppress or delay the initiation and or the progression of premalignant cells to cancer [1] . However a big challenge for effective cancer prevention is to identify chemoprevention agents with demonstrable efficacy and safety for healthy general …

The East Texan, 2014-09-25, Texas A&M University-Commerce

All Issues

A color copy of The East Texan, a student newspaper published at Texas A&M University-Commerce.

Surface Treatments To Reduce Leakage Current In Homojunction In0:53ga0:47as Pin Diodes For Tfet Applications, Abhinav Gaur

Theses

In the field of low power electronics, Tunnel field-effect transistors (TFETs) are gaining momentum due to aggressive voltage scaling. To enable scaling of power supply while maintaining a high Ion, a steep subthreshold slope and low I0 are required. A TFET operates as a gated PIN diode under reverse bias with the intrinsic region as the channel.

This study focuses on minimizing I0 in a III-V homojunction PIN diode. I0 or leakage current is the current owing in a PIN diode under reverse bias, that forms the o-state current (Vgate = 0 V) in a TFET. Various surface treatment combinations …

Evaluation Of A High School Science Fair Program For Promoting Successful Inquiry-Based Learning, Julia Nykeah Betts

Dissertations and Theses

The success of inquiry-based learning (IBL) in supporting science literacy can be challenged when students encounter obstacles in the absence of proper support. This research is intended to evaluate the effectiveness of an Oregon public school district's regional science fair coaching program in promoting inquiry skills and positive attitudes toward science in participating high school students. The purpose of this study was to better understand students' perception of program support, obstacles or barriers faced by students, and potential benefits of IBL facilitated by the science fair program. Data included responses to informal and semi-structured interviews, an anonymous survey, a Skills …

Curriculum Minutes 09/25/2014, Curriculum Committee

Curriculum Committee Minutes

In these minutes: Science and Mathematics catalog course changes, and Education catalog course changes.

A New Ankylosaurid Dinosaur From The Upper Cretaceous (Kirtlandian) Of New Mexico With Implications For Ankylosaurid Diversity In The Upper Cretaceous Of Western North America, Victoria M. Arbour, Michael E. Burns, Robert M. Sullivan, Spencer G. Lucas, Amanda K. Cantrell, Joshua Fry, Thomas L. Suazo

Geosciences Faculty Publications

A new ankylosaurid (Ankylosauria: Dinosauria), Ziapelta sanjuanensis, gen. et sp. nov., is based on a complete skull, an incomplete first cervical half ring, a possible fragment of the second cervical half ring, and additional fragmentary osteoderms. The holotype specimen is from the Upper Cretaceous (Upper Campanian, Kirtlandian Land-Vertebrate Age) Kirtland Formation (De-na-zin Member) at Hunter Wash, San Juan Basin, in northwestern New Mexico, USA. Diagnostic characters of Ziapelta include: a large, prominent triangular median nasal caputegulum; a mixture of flat and bulbous frontonasal caputegulae; ventrolaterally oriented squamosal horns with a sharp, prominent dorsal keel; and the ventral surface of basicranium …

Next Generation Science Standards, Sarah C. Mckenzie, Gary W. Ritter

Policy Briefs

This policy brief provides an overview of the Next Generation Science Standards (NGSS), voluntary state science standards that are intended to improve the quality of science instruction in the U.S. The brief discusses the history of science standards, the development of the NGSS and its current status, arguments for and against the standards, and the status of the NGSS in Arkansas.

The Effect Of Menu Labeling With Calories And Exercise Equivalents On Food Selection And Consumption, Charles Platkin, Ming-Chin Yeh, Kimberly Hirsch, Ellen Weiss Wiewel, Chang-Yun Lin, Ho-Jui Tung, Victoria H. Castellanos

Publications and Research

Background Better techniques are needed to help consumers make lower calorie food choices. This pilot study examined the effect of menu labeling with caloric information and exercise equivalents (EE) on food selection. Participants, 62 females, ages 18-34, recruited for this study, ordered a fast food meal with menus that contained the names of the food (Lunch 1 (L1), control meal). One week later (Lunch 2 (L2), experiment meal), participants ordered a meal from one of three menus with the same items as the previous week: no calorie information, calorie information only, or calorie information and EE. Results There were no …