PubMed Journals Articles About "Photosensitivity Current Biological Overview" RSS

17:01 EDT 1st September 2014 | BioPortfolio

Photosensitivity Current Biological Overview PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Photosensitivity Current Biological Overview articles that have been published worldwide.

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Showing "Photosensitivity current biological overview" PubMed Articles 1–25 of 21,000+

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Editorial overview: Analytical biotechnology: New technologies for quantitative analysis of biological specimens and natural products.

A new mussel-inspired polydopamine phototransistor with high photosensitivity: signal amplification and light-controlled switching properties.

A polydopamine (PDA) thin film with a dense and conformal surface was prepared under optimized deposition conditions using O2 gas as an oxygen source. The PDA-based organic phototransistors exhibited high photosensitivity and photo-controlled switching properties under light illumination.

Neurobiology: The Eye within the Brain.

All vertebrates except mammals have photoreceptors within their brains; however, the light-sensitive cells have never been unambiguously identified. A new paper provides direct evidence of photosensitivity in cerebrospinal fluid (CSF)-contacting neurons in quail brain that mediate the seasonal reproductive response.

Fracture-based micro- and nanofabrication for biological applications.

While fracture is generally considered to be undesirable in various manufacturing processes, delicate control of fracture can be successfully implemented to generate structures at micro/nano length scales. Fracture-based fabrication techniques can serve as a template-free manufacturing method, and enables highly-ordered patterns or fluidic channels to be formed over large areas in a simple and cost-effective manner. Such technologies can be leveraged to address biologically-relevant problems, such as in the...

Recent Advances in Mass Spectrometry for the Identification of Neuro-chemicals and their Metabolites in Biofluids.

Recently, mass spectrometric related techniques have been widely applied for the identification and quantification of neurochemicals and their metabolites in biofluids. This article presents an overview of mass spectrometric techniques applied in the detection of neurological substances and their metabolites from biological samples. In addition, the advances of chromatographic methods (LC, GC and CE) coupled with mass spectrometric techniques for analysis of neurochemicals in pharmaceutical and biological s...

Intrinsic photosensitivity of a deep brain photoreceptor.

In addition to having a photoreceptive retina and pineal organ, non-mammalian vertebrates are known to have photoreceptors in the deeper regions of the brain that mediate seasonal changes in physiology and behavior [1]. Cerebrospinal fluid (CSF)-contacting neurons extend knob-like dendrites into the ventricular cavity, where they form ciliated terminals [2]. The dendritic structures of photoreceptor cells in the developing retina and the pineal organ resemble those of CSF-contacting neurons. Thus, CSF-conta...

Oligopeptides as Biomarkers of Cyanobacterial Subpopulations. Toward an Understanding of Their Biological Role.

Cyanobacterial oligopeptides comprise a wide range of bioactive and/or toxic compounds. While current research is strongly focused on exploring new oligopeptide variants and their bioactive properties, the biological role of these compounds remains elusive. Oligopeptides production abilities show a remarkably patchy distribution among conspecific strains. This observation has prompted alternative approaches to unveil their adaptive value, based on the use of cellular oligopeptide compositions as biomarkers ...

Editorial overview: Nanobiotechnology.

Genetic architecture of human fibrotic diseases: disease risk and disease progression.

Genetic studies of human diseases have identified multiple genetic risk loci for various fibrotic diseases. This has provided insights into the myriad of biological pathways potentially involved in disease pathogenesis. These discoveries suggest that alterations in immune responses, barrier function, metabolism and telomerase activity may be implicated in the genetic risks for fibrotic diseases. In addition to genetic disease-risks, the identification of genetic disease-modifiers associated with disease com...

Mechanical versus biological heart valves.

Since the first successful heart valve replacement procedures were performed in the 1950s, a multitude of different heart valves have been developed and implanted. This review offers a structured overview of the most important mechanical and biological heart valves with special regard to the individual indications of mechanical versus biological heart valve replacement and to possible postoperative complications.

Human variome project - current overview.

Surface Markers of Cancer Stem Cells in Solid Tumors.

Cancer stem cells (CSCs) are a small subpopulation of cells within tumors with capabilities of self-renew, differentiation, and tumorigenicity. Successful cancer treatment would need to eliminate CSCs. The CSCs can be identified and isolated by both CSC-specific cell surface marker expression and functional assay, such as floating spheres, and aldehyde dehydrogenase (ALDH) activity assay. However, lack of universal expression of surface markers limits their usage to identify CSCs. Here, we give a brief over...

An Overview of Optimal Endovascular Strategy in Treating the Femoropopliteal Artery: Mechanical, Biological, and Procedural Factors.

Treatment of the femoropopliteal (FP) artery remains a challenge to the endovascular specialist. Long-term patency is low with a high rate of target lesion revascularization. The true patency rate varies considerably between studies partly because there is a lack of uniform performance criteria and reporting standards in peripheral arterial interventions. Literature review supports three principles that emerge as important components of an optimal strategy in treating the FP artery: (1) improving vessel com...

Acute Phototoxic Reaction in a Century Cyclist.

: Medications can cause photosensitivity. Several of these medications, specifically the nonsteroidal anti-inflammatory medications (NSAIDs), may be taken by athletes to treat joint and muscle discomfort. Many athletic events occur outdoors, which in turn exposes athletes to sunlight. Athletes taking NSAIDs and performing extensive outdoor activities may be at higher risk for phototoxic drug reactions. Clinicians may wish consider the potential for patient photosensitivity when recommending prescription and...

Genome scale modeling in systems biology: algorithms and resources.

In recent years, in silico studies and trial simulations have complemented experimental procedures. A model is a description of a system, and a system is any collection of interrelated objects; an object, moreover, is some elemental unit upon which observations can be made but whose internal structure either does not exist or is ignored. Therefore, any network analysis approach is critical for successful quantitative modeling of biological systems. This review highlights some of most popular and important m...

Biological findings from the recent NMR-based studies of glycosaminoglycanprotein interactions.

Besides regulating multiple physiological processes like cellular growth, migration and differentiation, glycosaminoglycans (GAGs) are also largely explored in the global market as clinical or nutraceutical agents. Generally, these physiological and biomedical events are ultimately triggered by the quality and nature of molecular interactions between GAGs and functional proteins. Nuclear magnetic resonance (NMR) spectroscopy participates significantly in the investigations of the most carbohydrate-protein i...

An overview of current Italian studies on bacterial pathogenesis.

Editorial overview: Theory and simulation: Macromolecular machines.

Editorial overview: Immune senescence: Known knowns and unknown unknowns.

Editorial overview: Developmental mechanisms, patterning and evolution.

The role of peer relationships in parental bereavement during childhood and adolescence.

This article reviews current knowledge concerning the relationship between peer support and adjustment outcomes and experiences for parentally bereaved children. A brief overview of the effects of parental bereavement and factors influencing immediate and long-term adjustment is provided, followed by an overview of peer-provided social support and its relationship to adjustment. Current findings on the predictive value of peer support for adjustment are then discussed, with emphasis on the reciprocal positi...

Photosensitivity Induced by Mesalazine: Report of a Case.

Photosensitivity in mild traumatic brain injury (mTBI): A retrospective analysis.

Abstract Primary objective: To determine whether photosensitivity (PS) changes over time and, if so, what factors may be related to the change; furthermore, to determine whether tint density changes over time, all in mild traumatic brain injury (mTBI). Design and methods: A retrospective analysis of 62 patient records (aged 18-40 years) with mTBI and PS was conducted. All charts were obtained from the SUNY/College of Optometry clinics from 2004-2011. Results: Fifty per cent demonstrated reduced PS over time...

Editorial overview: Viral pathogenesis: dealing with complexity in virus-induced disease.

Small proteins: untapped area of potential biological importance.

Polypeptides containing ≤100 amino acid residues (AAs) are generally considered to be small proteins (SPs). Many studies have shown that some SPs are involved in important biological processes, including cell signaling, metabolism, and growth. SP generally has a simple domain and has an advantage to be used as model system to overcome folding speed limits in protein folding simulation and drug design. But SPs were once thought to be trivial molecules in biological processes compared to large proteins. Bec...


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