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Reactions to Sunlight - Biotech, Pharma and Life Science Channel

11:14 EST 12th February 2016 | BioPortfolio

PubMed Articles [2630 Associated PubMed Articles listed on BioPortfolio]

Electrochemical characteristics of bioresorbable binary MgCa alloys in Ringer's solution: Revealing the impact of local pH distributions during in-vitro dissolution.

Biodegradable magnesium-calcium (MgCa) alloy is a very attractive biomaterial. Two MgCa alloys below the solid solubility of Ca were considered, as to solely investigate the effect of Ca content on th...

Chitosan-PLGA polymer blends as coatings for hydroxyapatite nanoparticles and their effect on antimicrobial properties, osteoconductivity and regeneration of osseous tissues.

Composite biomaterials comprising nanostructured hydroxyapatite (HAp) have an enormous potential for natural bone tissue reparation, filling and augmentation. Chitosan (Ch) as a naturally derived poly...

Sulfite Oxidase Activity of Cytochrome c: Role of Hydrogen Peroxide.

In humans, sulfite is generated endogenously by the metabolism of sulfur containing amino acids such as methionine and cysteine. Sulfite is also formed from exposure to sulfur dioxide, one of the majo...

Aging Dogs Manifest Myopia as Measured by Autorefractor.

Dogs, like humans, experience eye changes with aging: hardening and clouding of the lens and accumulated oxidative damage from UV sunlight. It has been debated whether such changes could be affecting ...

Hydrosulfide Adducts of Organo-Iridium Anticancer Complexes.

Novel half-sandwich hydrosulfidoiridium(III) complexes [(η(5)-Cp*)Ir(phen)(SH)]PF6 (1), [(η(5)-Cp*)Ir(bpy)(SH)]PF6 (2), [(η(5)-Cp(biph))Ir(phen)(SH)]PF6 (3), and [(η(5)-Cp(biph))Ir(bpy)(SH)]PF6 (4...

A very peculiar family of N-heterocyclic phosphines: unusual structures and the unique reactivity of 1,3,2-diazaphospholenes.

This Perspective gives an account of the peculiar electronic and molecular structures of N-heterocyclic phosphines featuring either a single 1,3,2-diazaphospholene (DAP) ring with an exocyclic P-subst...

Synthesis of a rhodium(i) germyl complex: a useful tool for C-H and C-F bond activation reactions.

The dihydrido germyl complex cis,fac-[Rh(GePh3)(H)2(PEt3)3] () was synthesized by an oxidative addition of HGePh3 at [Rh(H)(PEt3)3] (). Treatment of with neohexene generated the rhodium(i) germyl comp...

Covalent Chemistry Beyond Molecules.

Linking molecular building units by covalent bonds to make crystalline extended structures has given rise to metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), thus bringing the p...

Oxidative addition of an aromatic ortho C-H bond of tetraphosphine to asymmetric diiridium(i) centres.

Reactions of a tetraphosphine, meso-bis{[(diphenylphosphinomethyl)phenyl]phosphino}propane (dpmppp), with [IrCl(cod)]2 and CO (1 atm) or isocyanide (RNC) in the presence of NH4PF6 at 80-100 °C in dic...

A pentanuclear iron catalyst designed for water oxidation.

Although the oxidation of water is efficiently catalysed by the oxygen-evolving complex in photosystem II (refs 1 and 2), it remains one of the main bottlenecks when aiming for synthetic chemical fuel...

News Articles [527 Associated News Articles listed on BioPortfolio]

New u study shows how affectionate mothering can combat the effects of maternal depression

Poverty, lack of education and exposure to violence can undeniably impact a child's life trajectory significantly. But how can a mother's exposure and potentially depressive reactions to these stresso...

A pentanuclear iron catalyst designed for water oxidation

Although the oxidation of water is efficiently catalysed by the oxygen-evolving complex in photosystem II (refs 1 and 2), it remains one of the main bottlenecks when aiming for synthetic chemical fuel...

Navidea Biopharmaceuticals Enrolls First Patient in Cervical Cancer Study of Lymphoseek®

Navidea Biopharmaceuticals, Inc. (NYSE MKT:NAVB), today announced that the first patient has been enrolled in a clinical study evaluating Lymphoseek® (technetium Tc 99m tilmanoce...

Data on Eisai's Halaven® (eribulin mesylate) Injection in Advanced Liposarcoma Published in The Lancet

WOODCLIFF LAKE, N.J., Feb. 10, 2016 /PRNewswire/ -- Eisai Inc. announced today that results from its pivotal Phase 3 study (Study 309) investigating the use of Halaven® (eribulin mesylate) I...

Viewpoints: Reactions To The 2017 Obama Budget Proposal; The Sanders’ Take On Government Programs

A selection of opinions on health care from around the country.

New NICE guidelines on sun exposure warn 'tanning is unsafe'

"No safe way to suntan, new NICE guidance warns," BBC News reports. The guidelines, produced by the National Institute for Health and Care Excellence (NICE), also stresses the benefits of m...

Chemical nanocages: New technique advances synthetic biology

Living systems rely on a dizzying variety of chemical reactions essential to development and survival. Most of these involve a specialized class of protein molecules—the enzymes.

Chemical cages: New technique advances synthetic biology

(Arizona State University) In a new study, Hao Yan, director of the Center for Molecular Design and Biomimetics at Arizona State University's Biodesign Institute presents a clever means of localizing ...

Research findings could lead to new treatments for chronic inflammatory pain

(Wiley) New research uncovers a cascade of reactions within nerve cells that relay sensations of pain associated with inflammation. The findings, which are published in the British Journal of Pharmaco...

Researchers: Radiation from imaging procedures presents ‘no risk’ to patients

Body: There is no proof that radiation from medical imaging causes cancer, and the persistence of any perceived dangers is based on unproven and outdated information, according to the authors of ...

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Companies [14 Associated Companies listed on BioPortfolio]

Conkwest, Inc.

Conkwest is an innovative immuno-oncology company that is developing and commercializing a portfolio of highly potent and selective cellular therapies for the treatment of cancers...

SageGlass

SageGlass®, a product of Saint-Gobain, is advanced dynamic glass that can be electronically tinted or cleared to optimize daylight and improve the human experience in buildings...

Allergen Research Corporation

Allergen Research Corporation (ARC), founded in 2011, is developing treatments to protect children with food allergies from the life-threatening consequences of accidental exposur...

Mustela

Tested under dermatologic and pediatric control, Mustela® products are always free of parabens, phthalates and phenoxyethanol, and are tested to be hypoallergenic to minimize t...

Columbia Winery

For more than 50 years, Columbia Winery has embraced a progressive winemaking philosophy that has led to new grape varieties, vineyards and blends. Today, Winemaker Sean Hails con...

Amazon.com, Inc.

Amazon.com, Inc. (NASDAQ: AMZN), a Fortune 500 company based in Seattle, opened on the World Wide Web in July 1995 and today offers Earth's Biggest Selection. Amazon.com, Inc. see...

Unilever

Our corporate mission – to add vitality to life – shows how clearly we understand the people who use our products. But the spirit of this mission forms a thread that runs throughout our history, l...

Immuno Laboratories

Headquartered in Fort Lauderdale, Florida, Immuno Laboratories is widely recognized as one of the leading food and environmental allergy testing facilities in the world. Since 197...

ALLOZYNE Inc.

Headquartered in Seattle, ALLOZYNE was established in late 2005, to commercialize proprietary biociphering technology that it licensed, on an exclusive basis, from the California ...

SAGE Electrochromics, Inc.

SAGE Electrochromics is the world’s leading manufacturer of advanced dynamic glass that can be tinted or cleared to optimize daylight and improve the human experience in buil...

Clinical Trials [389 Associated Clinical Trials listed on BioPortfolio]

The Relationship Between Clotting Factor VIII and Bleeding Adverse Reactions in Patients Under the Therapies of Thrombolysis, Anticoagulation and Anti-platelet

The purpose of this study is to determine whether Plasma Factor VIII Levels are related to the treatment of bleeding in ischemic stroke(IS).

Observational Study to Evaluate Long-term Safety and Biodegradability of YVOIRE Volumes

To evaluate long-term safety of YVOIRE volumes by incidence of adverse events including injection site local reactions and biodegradability.

Anisakis Blastocystis Cryptosporidium Fish Prevalence

Anisakidae frequently infect fish species that are commonly eaten by humans. Some of them are recognized as zoonotic agents, and have a high impact on human health. Infestation results fr...

A Device for Screening of Fall Risk in the Elderly

This study evaluates the screening accuracy of a device (OAK) in assessing fall risk in the elderly, compared to the assessment provided by the Algorithm for Fall Risk Assessment of the Ce...

Safety and Efficacy of Intravenous Tranexamic Acid in Endoscopic Transurethral Resections in Urology

Transurethral resection of the prostate (TURP) represents the gold standard in the operative management of benign prostatic hyperplasia (BPH) and the transurethral resection of bladder tum...

Hypofractionated Intensity Modulated and Image Guided Radiotherapy for Localized Prostate Cancer

Hypofractionated intensity modulated and image guided radiotherapy (HypoIGRT) with fewer high-fraction-size treatments would be beneficial for prostate cancer because it would deliver a la...

A Clinical Study to Evaluate the Sensitizing Potential of LEO 43204 Gel

This is a randomized, single-center, controlled, within-subject comparison study assessing the sensitization potential of the investigational product, LEO 43204 gel under open conditions i...

Metabolic Imaging of the Heart Using Hyperpolarized (13C) Pyruvate Injection

The prevalence of congestive heart failure (CHF) in Canada is high, representing one of the health care system's most expensive diagnoses. Despite major advances in medicine, the mortality...

Serum Tryptase Levels During Cardiac Surgery, Diagnosis and Treatment Decisions for Allergic Reactions

The investigators aim to assess tryptase test efficacy for measuring the allergic response to protamine during cardiac bypass surgery. Additionally, the investigators aim to establish a di...

Evaluation of SilOss® in Periodontal Surgery

Siloss® (Azurebio, Madrid, Spain) is a synthetic and inorganic bone graft material and is composed of a dicalcium phosphate anhydrous (monetite), hydroxyapatite (HA), and amorphous silica...

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Medical and Biotech [MESH] Definitions

Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing molecules in tissues. It refers almost exclusively to skin photosensitivity, including sunburn, reactions due to repeated prolonged exposure in the absence of photosensitizing factors, and reactions requiring photosensitizing factors such as photosensitizing agents and certain diseases. With restricted reference to skin tissue, it does not include photosensitivity of the eye to light, as in photophobia or photosensitive epilepsy.

Processes by which phototrophic organisms use sunlight as their primary energy source. Contrasts with chemotrophic processes which do not depend on light and function in deriving energy from exogenous chemical sources. Photoautotrophy (or photolithotrophy) is the ability to use sunlight as energy to fix inorganic nutrients to be used for other organic requirements. Photoautotrophs include all green plants, GREEN ALGAE; CYANOBACTERIA, and green and PURPLE SULFUR BACTERIA. Photoheterotrophs or photoorganotrophs require a supply of organic nutrients for their organic requirements but use sunlight as their primary energy source; examples include certain PURPLE NONSULFUR BACTERIA. Depending on environmental conditions some organisms can switch between different nutritional modes (AUTOTROPHY; HETEROTROPHY; chemotrophy; or phototrophy) to utilize different sources to meet their nutrients and energy requirements.

The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide using energy obtained from light rather than from the oxidation of chemical compounds. Photosynthesis comprises two separate processes: the light reactions and the dark reactions. In higher plants; GREEN ALGAE; and CYANOBACTERIA; NADPH and ATP formed by the light reactions drive the dark reactions which result in the fixation of carbon dioxide. (from Oxford Dictionary of Biochemistry and Molecular Biology, 2001)

The reactions, changes in structure and composition, the properties of the reactions of carbon compounds, and the associated energy changes.

Irradiation directly from the sun.

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