Reactions to Sunlight - Biotech, Pharma and Life Science Channel

02:12 EDT 3rd July 2015 | BioPortfolio

PubMed Articles [2733 Associated PubMed Articles listed on BioPortfolio]

Bioinspired synthesis of polydopamine/Ag nanocomposite particles with antibacterial activities.

Mussel-inspired chemistry (polydopamine) offers great opportunities to develop inexpensive and efficient process for many types of materials with complex shapes and functions in a mild and friendly en...

Electrochemical detection of hydrogen peroxide on platinum-containing tetrahedral amorphous carbon sensors and evaluation of their biofouling properties.

Hydrogen peroxide is the product of various enzymatic reactions, and is thus typically utilized as the analyte in biosensors. However, its detection with conventional materials, such as noble metals o...

Ion-exchange equilibrium of N-acetyl-d-neuraminic acid on a strong anionic exchanger.

N-acetyl-d-neuraminic acid (Neu5Ac) is a high value-added product widely applied in the food industry. A suitable equilibrium model is required for purification of Neu5Ac based on ion-exchange chromat...

Biotechnologically obtained nanocomposites: A practical application for photodegradation of Safranin-T under UV-Vis and solar light.

This research was undertaken to determine the potential of biologically obtained ZnS-TiO2 nanocomposites to be used as catalysts in the photodegradation of organic pollutants, namely, Safranin-T. The ...

Physicochemical characterization of novel Schiff bases derived from developed bacterial cellulose 2,3-dialdehyde.

The synthesis of two novel Schiff's bases (cellulose-2,3-bis-[(4-methylene-amino)-benzene-sulfonamide] (5) & cellulose-2,3-bis-[(4-methylene-amino)-N-(thiazol-2-yl)-benzenesulfonamide] (6) via condens...

Homogeneous tosylation of agarose as an approach toward novel functional polysaccharide materials.

The homogeneous tosylation of agarose was studied with respect to the effects of reaction parameters, such as reaction medium, time, and molar ratio, on the reaction course, the degree of substitution...

Utilization of olive tree branch cellulose in synthesis of hydroxypropyl carboxymethyl cellulose.

This paper describes the functionalization of cellulose extracted from olive tree branches by subjecting it to successive etherification reactions, hydroxypropylation and carboxymethylation. Factors a...

A highly selective and sensitive electrochemical CS-MWCNTs/Au-NPs composite DNA biosensor for Staphylococcus aureus gene sequence detection.

This paper presents a new electrochemical DNA biosensor constructed using a substrate electrode composed of a novel nanocomposite material prepared using gold nanoparticles (Au-NPs) and multiwalled ca...

Hybrid silica monolith for microextraction by packed sorbent to determine drugs from plasma samples by liquid chromatography-tandem mass spectrometry.

The present study (1) reports on the synthesis of two hybrid silica monoliths functionalized with aminopropyl or cyanopropyl groups by the sol-gel process; (2) evaluates these monoliths as selective s...

Allergy to honeybee … not only stings.

The purpose of this review is to provide a brief overview of the risks of consumption of bee products in honeybee venom allergic patients and compositae allergic patients, the potential allergens invo...

News Articles [511 Associated News Articles listed on BioPortfolio]

Scientists Propose a New Model of the Source of a Mysterious Barrier to Fusion Known as the “Density Limit”

Researchers at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have developed a detailed model of the source of a puzzling limitation on fusion reactions. The fi...

A call to fund people not proposals triggers strong reactions online

Researchers debate the merits of funding people on the basis of past performance.

Drug Offers Hope Against Disease Where Sunlight Causes Pain

THURSDAY, July 2, 2015 -- Just a few minutes of sun exposure can cause debilitating pain for people like Savannah Fulkerson, an 11-year-old with a rare genetic disorder. Scientists say a new medicatio...

The darker side of being a doctor

I recently read an article written by a human physician about her personal feelings and other people’s reactions to her decision to quit practicing medicine. The author frames the article around how...

Success of Platinum Desensitization 'Depends on the Agent'

Cancer patients receiving oxaliplatin are more likely to experience hypersensitivity reactions during desensitization than those given carboplatin. Medscape Medical News

Navidea Reports Clinical Data Demonstrating Manocept™ Agent Localizes in Multiple KS Lesions

- Reinforces Therapeutic Potential of Targeting Activated Macrophages via the CD206 Receptor- - Data also suggest a new origin of KS as a macrophage fusion tumor - ...

ViiV Healthcare and Desano Pharmaceuticals' Manufacturing Agreement Will Allow Competitive Supply of Dolutegravir in China and Several Developing Countries

LONDON, July 2, 2015 /PRNewswire/ -- Agreement reinforces ViiV Healthcare commitment to improving access to HIV treatments   ViiV Healthcare and Desano Pharmaceuticals (Desano) today announce...

Implanted drug improves tolerance of sunlight in rare condition

(Reuters Health) - A skin-darkening drug can help protect against serious pain in people with a rare inherited condition that makes them flee sunlight like movie vampires, according to tests in Europe...

Herbal remedy can have similar side effects as Prozac

The herbal remedy St John’s Wort can produce the same adverse reactions as antidepressants and serious side effects can occur when the two are taken together, warn Australian researchers.

Orange juice and grapefruit linked to melanoma skin cancer

"Drinking a glass of orange juice or eating a fresh grapefruit for breakfast may increase the risk of skin cancer," the Mail Online reports. A US study did find a small increase in the risk...

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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 [338 Associated Clinical Trials listed on BioPortfolio]

Cutaneous and Systemic Reactions to Metal Implants

The purpose of this study is to evaluate if metal patch testing in metal allergic patients is useful for predicting the development of allergic skin disease or systemic symptoms in patient...

The Secure Messaging for Medication Reconciliation Tool (SMMRT) Trial

Medication discrepancies, defined as unintentional differences found between patients' medical records and patients' reports of the medication they are taking, occur frequently after hospi...

Study of Adsorption Tetanus-diphtheria-acellular Pertussis (DTaP) Vaccine in Healthy 3 to 5 Months Infants

Pertussis, diphtheria and tetanus are seriously infectious diseases in children. Since using of the adsorption diphtheria-tetanus-whole-cell pertussis (DTwP), it greatly reduced incidence ...

Prospective, Non-interventional, Multi-center Safety Study of Mirena for Heavy Menstrual Bleeding and Dysmenorrhea

The primary objective in this study is collecting post-marketing information on the safety. Thus, it includes information under the routine clinical practice on adverse events (AEs) and ad...

Middle and High School Students' Reactions to a Health Interactive Website: ASPIRE Reactions

The goal of this research study is to learn how middle and high school students react to interactive websites and health information online and what their preferences are when using intera...

The Role of Lifestyle Factors in Breast Cancer-Related Outcomes

The goal of this behavioral research study is to look at the relationship between lifestyle factors and cancer-related outcomes, such as the risk of the disease coming back, patient qualit...

Treatment of Neonatal Jaundice With Filtered Sunlight Phototherapy: Safety and Efficacy in African Neonates

The primary objective of this study is to determine the safety and efficacy of filtered sunlight phototherapy. Sunlight will be filtered by flexible (window-tinting) film. The subject pop...

Weight Management Interactions in a Virtual Clinical Environment

This study is part of an effort to learn about interactions between doctors and patients. We aim to understand how women feel about techniques that doctors use to talk with patients about ...

Management Of The Infusion-Associated Reactions In RRMS Patients Treated With LEMTRADA

Primary Objective: To assess the distribution of IARs by severity grade when LEMTRADA is administered to RRMS patients who will be medicated according to specified algorithm designed to m...

A Study of Palbociclib in Combination With Adjuvant Endocrine Therapy for Hormone Receptor Positive, HER2 Negative Invasive Breast Cancer

This research study is evaluating a drug called Palbociclib in combination with endocrine therapy as a possible treatment for hormone receptor positive breast cancer. - Palbociclib is ...

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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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