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Showing releases 1-25 out of 621 releases.
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Public Release: 18-May-2013
Nano Research
Solution-processable graphene mesh transparent electrode for organic solar cells
Graphene mesh electrodes (GMEs) are prepared by the standard industrial photolithography and O2 plasma etching process using graphene solutions. Organic photovoltaic devices based on the GMEs with P3HT/PC61BM as the active layer have been fabricated and exhibit a power conversion efficiency of 2.04%, so far the highest efficiency for solution processed graphene transparent electrodes based solar cells.
Contact: Jin Ren
renj@mail.tup.tsinghua.edu.cn
Tsinghua University Press
Public Release: 17-May-2013
SCIENCE CHINA Technological Sciences
Analysis of the potteries from ancient Liangzhu city-site
The excavation of ancient Liangzhu city-site gave a new perspective on the study of Liangzhu culture and provided important evidence for the origin of Chinese civilization. In a recent work, the compositions and structures of pottery samples from Liangzhu city-site were analyzed by EDXRF, XRD, EPMA and Raman spectroscopy methods. Tremolite particles were proved to be an admixture for pottery for the first time.
National Key Technology R&D Program “Origin of Chinese Civilization Project”
Contact: YAN Bei
yanbei@scichina.org
Science China Press
Public Release: 17-May-2013
Neural Regeneration Research
Transcranial direct current stimulation improves response inhibition?
Executive control of movement in motor learning involves the ability to stop inappropriate actions, impulsive behaviors, or negative feedback.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 17-May-2013
Neural Regeneration Research
Effect of minocycline on cerebral ischemia-reperfusion injury
Minocylcine, a tetracycline derivate, has been shown to cross the blood-brain barrier and enter the central nervous system to produce a protective effect in various models of acute neurological injury.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 17-May-2013
Neural Regeneration Research
Prognosis in prolonged coma patients with diffuse axonal injury assessed by SEP
Diffuse axonal injury is associated with high mortality and morbidity. Diffuse axonal injury is easy to result in prolonged coma. The duration of unconsciousness has been shown to be strongly related to outcome. But so far there is still no accurate test to predict the prognostic outcome of patients with diffuse axonal injury.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 17-May-2013
BioScience
Natural 'keystone molecules' punch over their weight in ecosystems
Ecosystems are disproportionately influenced by “keystone molecules” that have powerful behavioral effects and contribute to ecosystem structure, according to a general theory described in the June issue of BioScience. The chemicals can each fill a variety of functions and affect multiple species. The actions of four keystone molecules are described, three of them toxins.
National Science Foundation; University of California, Los Angeles; Murdock Charitable Trust
Contact: Timothy M. Beardsley
tbeardsley@aibs.org
American Institute of Biological Sciences
Public Release: 17-May-2013
Science
Glaciers and the rising tide
When it comes to rising sea levels, the Greenland and Antarctic Ice Sheets are at the center of attention. But what about all the glaciers -- distinct from these Ice Sheets -- melting around the world" Past studies have produced conflicting results concerning their contribution to rising sea levels.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 17-May-2013
Science
3-D made simpler
Scientists have developed a simplified method for creating three-dimensional (3-D) images, a new study reports. Our retina captures images in two dimensions, but additional processing is required to capture an image in 3-D.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 17-May-2013
Science
Making tiny complex, controlled shapes
A new study offers a detailed picture of how to make minerals assemble themselves into complex but controlled architectures. The findings pave the way toward developing complex architectures that are useful in optical materials and catalyst applications. Coral reefs are remarkably diverse complex architectures that can be seen by the eye, while invisible microorganisms like acantharea build intricate mineral skeletons.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 17-May-2013
Science
One ladybug’s parasite is another ladybug’s end
When it comes to out-competing other ladybugs, one particularly successful species can thank the parasites in its circulatory system, a new study shows. Invasive species multiply after settling into new habitats. Scientists have not understood why some species become such successful invaders while others, even those that are closely related, remain non-invasive. The harlequin ladybird Harmonia axyridis is native to Asia.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 16-May-2013
China Science Bulletin
Recent progress in gene-sensing strategies for rapid detection of foodborne pathogens
Food safety is an important issue for people’s livelihood, and also an important indicator to measure the quality of people's lives in a country. This paper around the characteristics of author’s research briefly summarizes the latest progresses of rapidly detecting foodborne pathogenic microorganisms based on the recognition of characteristic genes. This paper has published on the Chin Sci Bull (Chin Ver), 2013（11）issue.
the National Basic Research Program of China (2010CB732602), the Key Program of NSFC-Guangdong Joint Funds of China (U0931005), the National Natural Science Foundation of China (81101121) and the Program for Changjiang Scholars and Innovative Research Tea
Contact: YAN Bei
yanbei@scichina.org
Science China Press
Public Release: 16-May-2013
China Science Bulletin
What has changed on the water cycle in Haihe River basin in the past 10000 years？
Based on the datasets of paleoclimate, paleogeography, palynoflora, historical record, isotopic abundance ratio and content, the study reveals the evolution diagram of temperature, precipitation, river flow path, coast line and ground water in the past 10000 years in Haihe River Basin, which has great scientific and practical importance in understanding the current water circulation and water shortage. This study has been published on CHINESE SCIENCE Bulletin（In Chinese）, 2013, Vol.58, No.12.
National Natural Science Foundation of China (Grant Nos. 51279208 & 51021066); National Basic Research Program of China (973 project, Grant No. 2006CB403401)
Contact: YAN Bei
yanbei@scichina.org
Science China Press
Public Release: 16-May-2013
Neural Regeneration Research
Transcription factor changes following long-term cerebral ischemia/reperfusion injury
A team from Chengde Medical College, China, observed signaling pathway changes for glutamic acid receptor and cAMP response element binding protein after long-term (30 days) global cerebral ischemia/reperfusion injury, and found decreased learning and memory ability, as well as reduced neuronal quantity in hippocampal CA1 region.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 16-May-2013
Neural Regeneration Research
Therapeutic effects and side effect of olcegepant and telcagepant for migraine
Since calcitonin gene-related peptide receptor antagonists entered clinical practice in 2004, numerous randomized controlled clinical trials have been published. Nevertheless, no meta-analysis of these trials had been undertaken.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 16-May-2013
Neural Regeneration Research
Brain injury is caused by the advanced glycation end products-mediated pathway
Advanced glycation end products lead to cell apoptosis, and cause cell death by increasing endoplasmic reticulum stress. Advanced glycation end products alone may also directly cause damage to tissues and cells, but the precise mechanism remains unknown.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 16-May-2013
Science Translational Medicine
Ovaries 'burn out' during chemotherapy, causing infertility
A new study uncovers how chemotherapy causes infertility in female cancer patients, and finds that a new drug called AS101 can protect the ovarian egg reserve during treatment. Ovarian follicles are clusters of cells that each hold one oocyte or egg.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 16-May-2013
Nano Research
Size and shape control of LiFePO4 nanocrystals for better lithium ion battery cathode materials
Six LiFePO4 nanocrystals with different size and shape are successfully synthesized in ethylene glycol by controlling the addition sequence and ratio of reagents. The most promising LiFePO4 nanocrystals are either with either prominent {010} face exposure or high specific area while allowing little iron oxidation.
Contact: Jin Ren
renj@mail.tup.tsinghua.edu.cn
Tsinghua University Press
Public Release: 15-May-2013
Neural Regeneration Research
Diffusion tensor imaging and proton magnetic resonance spectroscopy in brain tumor
Proton magnetic resonance spectroscopy and diffusion tensor imaging are non-invasive techniques used to detect metabolites and water diffusion in vivo.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 15-May-2013
Neural Regeneration Research
Autophagy activator promotes neuronal differentiation of adipose-derived stromal cells
Autophagy plays a dual role in cell growth. One mechanism induces type II programmed cell death (a different process from apoptosis), while the other protects or delays damage caused by environmental changes and promotes cell growth.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 15-May-2013
Neural Regeneration Research
Who else promotes synaptic formation during stem cell treatment for SCI?
In vitro studies have showed that bone marrow mesenchymal stem cells can be induced to differentiate into neurons, reform synaptic connections and remodel nerve function. Thrombospondin 1 plays an important role in neural regeneration, but it is still unclear whether thrombospondin 1 can promote recovery of neurological function through inducing synapse formation of bone marrow derived neurons.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 15-May-2013
UC Davis agribusiness executives symposium to be held in Shanghai
Senior agribusiness executives from throughout China will gather June 14-16 in Shanghai for an innovative business leaders’ symposium coordinated by the Graduate School of Management at the University of California, Davis.
Contact: Steven Currall
scc@ucdavis.edu
530-574-4413
University of California - Davis
Public Release: 15-May-2013
JAMA
Study evaluates long-term effectiveness of surgery for pelvic organ prolapse
Results after seven years of follow-up suggest that women considering abdominal sacrocolpopexy (surgery for pelvic organ prolapse [POP]) should be counseled that this procedure effectively provides relief from POP symptoms; however, the anatomic support deteriorates over time; and that adding an anti-incontinence procedure decreases, but does not eliminate the risk of stress urinary incontinence, and mesh erosion can be a problem, according to a study in the May 15 issue of JAMA.
Contact: Phil Sahm
phil.sahm@hsc.utah.edu
801-581-2517
The JAMA Network Journals
Public Release: 15-May-2013
JAMA
Dual chamber ICDs show higher risk of gomplications
Even though patients receiving an implantable cardioverter-defibrillator (ICD) for primary prevention often receive a dual-chamber ICD, an analysis that included more than 32,000 patients receiving an ICD without indications for pacing finds that the use of a dual-chamber device compared with a single-chamber device was associated with a higher risk of device-related complications and similar 1-year mortality and hospitalization outcomes, according to a study in the May 15 issue of JAMA.
Contact: Jenny Bertrand
Jennifer.bertrand@dhha.org
303-602-4924
The JAMA Network Journals
Public Release: 14-May-2013
Neural Regeneration Research
Human umbilical cord-derived oligodendrocyte precursor cells treat spinal cord injury
The demyelination of intact axons and the disruption of action potential propagation resulting from the death of oligodendrocytes are important factors resulting in loss of function after spinal cord injury.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 14-May-2013
Neural Regeneration Research
Outdoor exercise during the daytime helps neurogenesis?
Neurogenesis occurs during the whole period of nervous system development, but in adulthood, this phenomenon still exists" Exercise is known to efficiently enhance neurogenesis through induction of neural stem cell proliferation in the hippocampus, thereby improving brain functions.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Showing releases 1-25 out of 621 releases.
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