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Full-Text Articles in Physics

Neutrons And Hadronic Parity Violation, Br Holstein Sep 2009

Neutrons And Hadronic Parity Violation, Br Holstein

Barry R Holstein

The history and phenomenology of hadronic parity violation are reviewed, and the important role of the neutron in unlocking the physics of this subject is outlined.


Hadronic Parity Violation And Effective Field Theory, Br Holstein Jun 2009

Hadronic Parity Violation And Effective Field Theory, Br Holstein

Barry R Holstein

The history and phenomenology of hadronic parity violation is reviewed and a new modelindependent approach based on effective field theory is developed. Possible future developments are discussed.


Continuous Glucose Monitoring In Non-Insulin-Using Individuals With Type 2 Diabetes: Acceptability, Feasibility, And Teaching Opportunities, Nancy A. Allen, James A. Fain, Barry Braun, Stuart R. Chipkin Feb 2009

Continuous Glucose Monitoring In Non-Insulin-Using Individuals With Type 2 Diabetes: Acceptability, Feasibility, And Teaching Opportunities, Nancy A. Allen, James A. Fain, Barry Braun, Stuart R. Chipkin

Stuart R. Chipkin

Background: Continuous glucose monitoring (CGM) has the potential to provide useful data for behavioral interventions targeting non–insulin-using, sedentary individuals with type 2 diabetes mellitus (T2DM). The aims of this study were to describe CGM in terms of (1) feasibility and acceptability and (2) dietary- and exerciseteaching events. Methods: Cross-sectional data were analyzed from 27 non–insulin-using adults with T2DM who wore CGM for 72 h as part of a larger study on using CGM for exercise counseling in this population. Feasibility data included accuracy of entering daily self-monitored blood glucose (SMBG) readings and events (e.g., meals, exercise), sensor failures, alarms, optimal …


Target Finding Time For Microtubules In A Confined Geometry, Mitra Shojania-Feizabadi Dec 2008

Target Finding Time For Microtubules In A Confined Geometry, Mitra Shojania-Feizabadi

Mitra Shojania-Feizabadi

Dynamic instability of microtubules may reach the steady state with exponentially growing or decaying length distribution in a confined geometry such as a cell-like environment. In this brief communication, the target finding time for these microtubules with the stochastic polymerization in a confined geometry is compared with the reversible polymerization. It is shown that the efficiency of microtubules with increasing length distribution at the steady state depends on the location of a target. They are very efficient in finding a target located at the cell cortex, which confirms the significant biological role they play in rapidly reaching the cell cortex …


Large Area, Continuous, Few-Layered Graphene As Anodes In Organic Photovoltaic Devices, Y Wang, Xh Chen, Yl Zhong, F.R. Zhu, Kp Loh Dec 2008

Large Area, Continuous, Few-Layered Graphene As Anodes In Organic Photovoltaic Devices, Y Wang, Xh Chen, Yl Zhong, F.R. Zhu, Kp Loh

Professor ZHU, Fu Rong

No abstract provided.


Photochromic 3-Dimensional Actuator Based On An Uncrosslinked Liquid Crystal Elastomer, Hyong Choi, Kwang-Un Jeong, Liang-Chy Chien, Myong-Hoon Lee Dec 2008

Photochromic 3-Dimensional Actuator Based On An Uncrosslinked Liquid Crystal Elastomer, Hyong Choi, Kwang-Un Jeong, Liang-Chy Chien, Myong-Hoon Lee

Liang-Chy Chien

A chemically programmed photochromic liquid crystal (LC) polymer was newly synthesized and used to fabricate an actuator exhibiting reversible photo-activated bending behavior at ambient temperature. Due to the lack of chemical crosslinking in this photochromic LC elastomer, it was possible to fabricate an actuator in the form of fiber or film by melt or solution processing, respectively. The three-dimensional (3D) bending of the film actuator can be precisely controlled in various directions by polarized ultraviolet (UV) light. The novel photochromic LC elastomer, exhibiting reversible photomechanical bending with controlled directions at room temperature, is beneficial for the realization of wireless remote-controlled …


The Mysterious Disappearance Of Ettore Majorana - Art. No. 012019, Br Holstein Dec 2008

The Mysterious Disappearance Of Ettore Majorana - Art. No. 012019, Br Holstein

Barry R Holstein

We review the short but interesting life of Ettore Majorana.