Reactions to Sunlight - Biotech, Pharma and Life Science Channel

07:08 EDT 27th August 2014 | BioPortfolio

PubMed Articles [2554 Associated PubMed Articles listed on BioPortfolio]

Synthesis, characterization and cyclic voltammetric study of copper(II) and nickel(II) polymer chelates.

Graft copolymers based on dextran (Dx) and 2-acrylamido-2-methyl-1-propane sulphonic acid (AMPS) were synthesized by free radical initiated solution polymerization technique using ceric ammonium nitra...

Exploring the impact of pore size distribution on the performance of carbon electrodes for capacitive deionization.

Capacitive deionization (CDI) removes charged ions from aqueous solutions through entrapment in the electric double layer (EDL) when the porous electrodes are polarized. In this study, three types of...

Self-healable interfaces based on thermo-reversible Diels-Alder reactions in carbon fiber reinforced composites.

Thermo-reversible Diels-Alder (DA) bonds formed between maleimide and furan groups have been used to generate an interphase between carbon fiber surface and an epoxy matrix leading to the ability of i...

Biodegradation of decabromodiphenyl ether (BDE-209) by white-rot fungus Phlebia lindtneri.

This work investigated degradation of decabromodiphenyl ether (BDE-209) by Phlebia lindtneri under the influence of glucose and heavy metals (Cd(2+), Cu(2+) or Pb(2+)). The results showed that adding...

Autoimmune Activation toward Embryo Implantation is Rare in Immune-Privileged Human Endometrium.

Human embryo implantation represents embryo apposition, adhesion to the endometrial epithelium, and invasion into the stromal extracellular matrix within 1 to 2 days during days 6 to 9 after ovulation...

The atmospheric degradation pathways of BrCH2O2: Computational calculation on mechanisms of the reaction with HO2.

Mechanisms for the atmospheric degradation reaction of BrCH2O2+HO2 were investigated using quantum chemistry methods. The result indicates that the dominant product is BrCH2OOH+O2((3)Σ). While CH2O+H...

Atmospheric oxidation mechanism of chlorobenzene.

The atmospheric oxidation mechanism of chlorobenzene (CB) initiated by the OH radicals is investigated at M06-2X/6-311++G(2df, 2p) and ROCBS-QB3 levels. The oxidation is initiated by OH addition to th...

Photochemical generation of photoactive compounds with fulvic-like and humic-like fluorescence in aqueous solution.

The irradiation of L-tryptophan, L-tyrosine and 4-phenoxyphenol in aqueous solution produced compounds with similar fluorescence properties as humic substances, and with absorption spectra that were s...

Speciation and bioavailability of selenium and antimony in non-flooded and wetland soils: A review.

Studies on the sorption behaviors of selenium (Se) and antimony (Sb) are reviewed. Both Se and Sb chemical speciation can be controlled by pH and redox potential, and both of them are likely to be sor...

A XAFS study of plain and composite iron(III) and chromium(III) hydroxides.

Reduction of hexavalent Cr(VI) to the trivalent state is the common strategy for remediation of Cr(VI) contaminated waters and soils. In the presence of Fe the resulting compounds are usually mixed Fe...

News Articles [623 Associated News Articles listed on BioPortfolio]

Allergic Reactions Halt Antithrombotic Trial: REGULATE-PCI

The temporary hold placed on the trial last month following a data safety and monitoring board review is now permanent, the company said Monday. Heartwire

Fresenius Kabi Receives FDA approval for Kabiven® and Perikabiven®

First and only three-chamber bag available in the United States for parenteral nutrition Fresenius Kabi announced today it has received approval from the U.S. Food and...

Pfizer And Merck To Collaborate On Study Evaluating Novel Anti-Cancer Combination Regimen

Agreement to Combine Merck’s Investigational Anti-PD-1 Antibody Pembrolizumab and Pfizer’s Crizotinib (XALKORI®) in Clinical Trial Pfizer Inc. (NYSE:PFE) and Merck...

Common bacteria could help prevent food allergies

"Bacteria which naturally live inside our digestive system can help prevent allergies and may become a source of treatment," BBC News reports after new research found evidence that Clostridi...

Female rats whose great grandparents exposed to toxins become more vulnerable to stress

Scientists have known that toxic effects of substances known as endocrine disrupting chemicals (EDCs), found in both natural and human-made materials, can pass from one generation to the next, but new...

Fact or fiction: Which do moviegoers prefer?

(University of Chicago Press Journals) Do you feel sadder watching a documentary about war or a drama about a young person dying of cancer? According to a new study in the Journal of Consumer Research...

Regado plummets on Phase III trial halt

Regado Biosciences Inc. (NASDAQ:RGDO) fell $1.71 (60%) to $1.13 on Monday after it said an independent DSMB indicated the level of serious allergic adverse events associated with Revolixys Kit was "of...

Stinging Insects Can Take the Bite out of Summer Fun

—Rentokil provides prevention tips — The summer season is a time filled with outdoor activities, like pool parties, picnics and amusement park visits. It’s also a time w...

Concerns over allergic reactions halt clinical trials of Regado’s experimental blood thinner

(Reuters) - Regado Biosciences Inc said it stopped enrollment in the late-stage trial for its lead drug after an independent committee recommended raised serious concerns of allergic reactions to the....

Regado stops enrollment in lead drug trial, shares slump

(Reuters) - Regado Biosciences Inc's shares lost nearly half of their value in premarket trading, after the company stopped enrollment in a late-stage trial of its lead drug following concerns of alle...

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Companies [13 Associated Companies listed on BioPortfolio]

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...

ChemAxon Ltd.

ChemAxon is a company specialized in the development of chemical software solutions for the biotechnology- and pharmaceutical industries.Our products and services include tools for the storage, manage...

Clinical Trials [282 Associated Clinical Trials listed on BioPortfolio]

Randomized Trial of Beta-Carotene and Macular Degeneration

To determine whether 50 mg of beta-carotene taken every other day reduces the risk of developing age-related macular degeneration (AMD) among male U.S. physicians who were aged 40 to 84 in...

Gradual Initiation of Sulfamethoxazole/Trimethoprim as Primary Pneumocystis Carinii Pneumonia Prophylaxis

To determine whether gradual initiation of sulfamethoxazole/trimethoprim (SMX/TMP) reduces the incidence of treatment-limiting adverse reactions compared to the routine initiation of the d...

A Double-Blind Placebo-Controlled Trial of the Safety and Immunogenicity of a Seven Valent Pneumococcal Conjugate Vaccine in Presumed HIV-Infected Infants

To assess whether HIV-infected infants who receive a heptavalent pneumococcal conjugate vaccine have more local reactions at the site of injection and systemic reactions than placebo subje...

Prophylaxis Against Tuberculosis (TB) in Patients With Human Immunodeficiency Virus (HIV) Infection and Suspected Latent Tuberculous Infection

To evaluate the safety and effectiveness of a 6-month course of isoniazid ( INH ) in the prevention of clinical tuberculosis in anergic (having diminished or absent reactions to specific a...

Thalidomide to Treat Oral Lesions in HIV-Infected Patients

This study will test the effectiveness of topical thalidomide in healing mouth sores in HIV infected patients. Oral (PO) thalidomide heals these sores at a dose of 200 mg per day. However,...

Improved Methods of Cell Selection for Bone Marrow Transplant Alternatives

Bone marrow transplants (BMT) are one form of treatment for disorders of the blood, including leukemia. However, because the procedure is often associated with potentially life-threatenin...

Treatment of Autoimmune Thrombocytopenia (AITP)

Platelets are particles found along with red and white blood cells in the blood that play a role in the process of blood clotting. Disorders affecting the platelets can lower the amount o...

Consequences of Conjugal Bereavement in Adults

Bereavement refers to the expected reactions and sadness associated with the loss of a loved one. It has been reported that the loss of a spouse is rated as the major life stressor among...

Study of the Experiences and Needs of Parents Continuing a Pregnancy Following a Prenatal Diagnosis of Holopresencephaly

This study will examine the experiences of parents who decided to continue a pregnancy after receiving a prenatal diagnosis of holopresencephaly (HPE). HPE results from a genetic defect t...

A Study of the Safety and Effectiveness of Varivax (the Chicken Pox Vaccine) in Children Who Have Received Kidney Transplants

The purpose of this study is to find out whether Varivax is safe for use in children with kidney transplants and whether it protects children from serious infection. Varivax is a vaccine a...

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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