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dyes in Medical News

America's Beauty Show Challenges Toxic Salons

... 10 percent of men are regularly exposed to these dyes in salons or by personal use. Black and dark brown permanent and semi-permanent dyes contain carcinogens, particularly those known as ... cancers. In sharp contrast to the U.S., these dyes have been banned in Europe. The continued ...

Nontoxic nanoparticle can deliver and track drugs

... for both therapeutic drugs and the fluorescent dyes that can track their delivery. In a recent ... evenly in solution), and that we put drugs or dyes inside the particle where they are protected, ... "For reasons we don't yet understand, fluorescent dyes encapsulated within our nanoparticles are four ...

Grocery Manufacturers Association: US Food & Drug Administration and European Food Safety Authority Affirm Safety of Certified Food Dyes

... FDA public information: "The safety of food dyes has been affirmed through extensive review by the ... that there is no demonstrable link between food dyes and hyperactivity among children. "To date, the ... evidence confirms the safety of certified food dyes and their lack of effect on behavior in children. ...

Now-Banned Hair Dyes Linked to Bladder Cancer

... Hairdressers and barbers who used now-banned hair dyes that had high concentrations of coloring ... first suspected back in the 1970s -- that hair dyes appear to increase the risk of cancer. These ... and barbers that were done after 1993. Hair dyes are classified as permanent, semi-permanent or ...

Getting to the Root of Caring for Your Hair at Any Age

... help at that point." In Our 40s Although hair dyes are popular for women of all ages, women in ... they leave on styling products -- such as hair dyes or permanent wave solutions -- because thinner ... prevents the hair dye from fading. -- Since hair dyes remove the lipid layer of fat that protects the ...

Stanford researchers harness nanoparticles to track cancer-cell changes

... indicates the abundance of the cell-surface features to which those dyes are now attached. But at some point, the light signals given off by multiple dyes begin to interfere with one another. It is unlikely that the number of ...

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dyes in Medical Technology

CRi Oosight(TM) Instrument Crucial in IVF Breakthrough Demonstrating a Correlation Between Non-Invasive Egg Metrics and Pregnancy

... Oosight systems produce non-invasive, high-contrast images of the meiotic spindle and zona pellucida without the need for potentially harmful dyes or stains. In addition, these images contain quantitative data that indicate the relative order of structures within the spindle and zona. In this ...

Three Studies Presented at the American Society of Hematology Annual Meeting Showed Response to Treatment with Campath(R) in Patients with High-Risk CLL

... evaluates chromosomes under a microscope to detect any of these abnormalities. FISH is a type of cytogenetic test that uses special fluorescent dyes that only attach to specific parts of particular chromosomes. It can be used on regular blood or bone marrow samples and is very accurate, which is ...

GeneThera Announces it is Set to Begin Commercial Testing for Johne's Disease as Soon as January, 2009.

... However, Real-Time PCR permits the analysis of the products while the reaction is actually in progress. This is achieved by using various fluorescent dyes which react with the amplified product and can be measured by an instrument. This also facilitates the quantization of the DNA. Not only can one tell ...

New Australian Technology: Detecting Breast Cancer With Hair

... a sensitivity rate of 61% and an accuracy rate of 69% in detecting breast cancer. If defective hairs were removed from the study (hairs treated with dyes or other chemicals) the accuracy rate of the Test increased to 75%. The result of Fermiscan's trial also showed that 80 per cent of the patients ...

Wedgewood Introduces Refresh(TM) Exchange-Program: Free Exchange of Expired Veterinary Compounded Medications Solves Key Industry Problem

... companies, often because the medications are no longer profitable to manufacture; -- When the patient is allergic to certain preservatives, dyes or binders in available off-the shelf medications; -- When treatment requires tailored dosage strengths for patients with unique needs ...

Genetic Analysis Systems Enter the Clinical Mainstream

... This system does not require gel-based samples, sets up quickly and its operation is largely automated. The system is also able to detect five dyes simultaneously to increase test speed and efficiency. Applied Biosystems says that the 310 Genetic Analyzer provides an ideal alternative to ...
dyes in Medical Products

SmartCycler 8000 System

Description:... within a single sample (multiplex assays) by using multiple fluorescent dyes and detecting the fluorescent signal in four channels. The instrument's ... and TaqMan probes, Amplifluor and Scorpion primers, and intercalating dyes such as SYBR Green. Expandable Users can configure a system to suit ...
Company:Cepheid

SmartCycler® 8000 System

Description:... within a single sample (multiplex assays) by using multiple fluorescent dyes and detecting the fluorescent signal in four channels. The instrument's ... and TaqMan probes, Amplifluor and Scorpion primers, and intercalating dyes such as SYBR Green. Expandable Users can configure a system to ...
Company:Cepheid

SmartCycler 9600 System

Description:... within a single sample (multiplex assays) by using multiple fluorescent dyes and detecting the fluorescent signal in four channels. The instrument's ... and TaqMan probes, Amplifluor and Scorpion primers, and intercalating dyes such as SYBR Green. Expandable Users can configure a system to ...
Company:Cepheid

SmartCycler 6400 System

Description:... within a single sample (multiplex assays) by using multiple fluorescent dyes and detecting the fluorescent signal in four channels. The instrument's ... and TaqMan probes, Amplifluor and Scorpion primers, and intercalating dyes such as SYBR Green. Expandable Users can configure a system to suit ...
Company:Cepheid

SmartCycler 3200 System

Description:... within a single sample (multiplex assays) by using multiple fluorescent dyes and detecting the fluorescent signal in four channels. The instrument's ... and TaqMan probes, Amplifluor and Scorpion primers, and intercalating dyes such as SYBR Green. Expandable Users can configure a system to suit ...
Company:Cepheid

SmartCycler® 3200 System

Description:... within a single sample (multiplex assays) by using multiple fluorescent dyes and detecting the fluorescent signal in four channels. The instrument's ... and TaqMan probes, Amplifluor and Scorpion primers, and intercalating dyes such as SYBR Green. Expandable Users can configure a system to ...
Company:Cepheid

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dyes in Medical Definition

Medicine

... around 1900. The first of these was arsphenamine / Salvarsan discovered by Paul Ehrlich in 1908 after he observed that bacteria took up toxic dyes that human cells did not. The first major class of antibiotics was the sulfa drugs, derived by French chemists originally from azo dyes. ...
dyes in Medical Dictionary

Dyes

... Regular use of hair dyes may increase cancer risk Permanent or semi-permanent hair dyes may increase the risk of cancer a study in New York reports. Some dyes used in candy may be excreted in the urine , ...

Deodorants

... as soon after sex as possible. Treatment s are as follows: ... hair dyes jewelry finger nail polish deodorants . Examples of other things that may cause a rash are: ... Some major culprits include dyes and perfumes used in toilet paper (especially scented toilet paper), ...

Food additives

... . It is controversial whether food additives -- such as dyes , thickeners, and preservatives -- likely cause a true allergic reaction. medications, especially penicillin foods food additives dyes used for medical procedures injection s ... But these days, because ...

Hair

... a lock of hair or a favorite stuffed animal. Regular use of hair dyes may increase cancer risk Permanent or semi-permanent hair dyes may increase the risk of cancer a study in New York reports. Often, ...

Paints

... Chemical exposure, such as to paints , varnish es, solvents, hair dyes , and glues. Exposure to certain disease s, such as rubella . An ... from power lines and electronic devices Food additives such as dyes and preservatives Microorganism s such as yeast ( Candida albicans) ....

Poison ivy

... (strawberries, chocolate, eggs), contactants ( poison ivy , chemicals, dyes ), ... These chemicals cause the symptoms of allergies , which are ... to poison ivy , poison oak, or poison sumac, and exposure to dyes used in shoes and sneakers. Poison Ivy ), or chronic irritation ...

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dyes in Biological News

Researchers create new class of fluorescent dyes to detect reactive oxygen species in vivo

... experimental results showing the ability of the dyes to detect reactive oxygen species in cells, ... The researchers have created six hydrocyanine dyes to date hydro-Cy3, hydro-Cy5, hydro-Cy7, ... potentially 40 probes that could be created. The dyes vary in their ability to detect intracellular or ...

DNA fingerprinting simplified

... electrophoresis to anyone. Popular brands of food dyes (red, blue, yellow, and green) purchased at local ... into blue and yellow) and some apparently single dyes often have extra surprise components. ... the article, much of the experimentation with the dyes and helped develop the dye-based forensic ...

Ancient diatoms lead to new technology for solar energy

... photons bounce around like they were in a pinball machine, striking these dyes and producing electricity. This technology may be slightly more expensive ... and inexpensive materials. "Conventional thin-film, photo-synthesizing dyes also take photons from sunlight and transfer it to titanium dioxide, ...

Basic guides to PCR, labeling neurons featured in Cold Spring Harbor Protocols

... cultured neurons, brain slices, and in vivo preparations. A wide range of dyes can be loaded using this method, including probes for morphological reconstruction, ion-sensitive indicator dyes for monitoring second-messenger cascades, and dye-labeled proteins for ...

American Chemical Society's Weekly PressPac -- May 28, 2008

... nylon, silk and other fabrics, scientists in California are reporting. The dyes from Mother Natures palate also have an anti-bacterial effect that could ... her adviser Gang Sun and colleagues point out that conventional dyes and pigments used in clothing have several drawbacks. Many are made from ...

Stem-cell transplantation improves muscles in MD animal model, UT Southwestern researchers report

... Dr. Perlingeiro said. The researchers then began using fluorescent dyes to sort cells depending on whether some surface markers were turned on ... into the animals hind-limb muscles. After a month, the fluorescent dyes showed that the cells had deeply penetrated the muscle, an indication that ...

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dyes in Biological Technology

Northwestern chemist investigates lost reds in Homer painting

... they cannot be seen by the naked eye. Organic dyes are natural substances that were used to color ... created before the introduction of synthetic dyes in the late 1800s and 1900s. That's a lot of art ... paintings and beyond. Because red dyes are easily damaged by light and fluoresce when ...

Ancient diatoms lead to new technology for solar energy

... photons bounce around like they were in a pinball machine, striking these dyes and producing electricity. This technology may be slightly more expensive ... and inexpensive materials. "Conventional thin-film, photo-synthesizing dyes also take photons from sunlight and transfer it to titanium dioxide, ...

LI-COR(R) Biosciences Introduces New Tools for High Throughput Western Blotting

... between channels. LI-COR's selection of IRDye(R) infrared dyes on the Odyssey(R) Infrared Imaging System provides a maximum of 48 targets ... The superior signal to noise ratio produced using near-infrared dyes produces results not previously possible with visible fluorescence-based ...

Amnis Announces the Release of Multiple Upgrades to the ImageStream(R) System

... system which provides precise chromatic correction for lower wavelength dyes excited by the 405nm laser. The enhancement enables high resolution ... analysis and other experiments incorporating the widely-used DNA binding dyes DAPI and Hoechst. The 658nm red laser provides similar advantages for a ...

VisEn Launches New Cat-K FAST(TM) Fluorescence Molecular Imaging Agent

... and MMPSense(TM). VisEn also offers its specialized in vivo agent labeling platforms, including its proprietary VivoTag (R) fluorescence labeling dyes for custom agent development, and its NanoSpark (R) labeling nanoparticles, all designed and optimized specifically for superior biocompatibility, ...

A breakthrough toward industrial production of fluorescent nanodiamonds

... in material sciences to detect electromagnetic fields, for optic storage or tracking (notably to detect fake products). However, most of fluorescent dyes are made of molecules with a limited life time due to chemical reactivity. In this context fluorescent diamond nanoparticles present a valuable ...

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dyes in Biological Products

FDSS6000 System from Hamamatsu Photonic Systems - Drug Discovery

Description:... Xenon lamp sources excite fluorescent dyes ranging from UV to IR. Design your experiments using the best dyes for your needs, now and in the future. ... running through screening campaigns. Multiplexing dyes (Fura-2 AM and Fluo-4 AM or Fura-2 AM and ...
Company:Hamamatsu Photonic Systems - Drug Discovery

Thermo Sequenase Dye Primer Manual Cycle Sequencing Kit from USB Corp.

Description:... primers and a termination step. Note: The choice of fluorescent dyes depends on the scanner. For instruments equipped with a 532 nm laser ... Formamide Loading Dye A special formulation of the two tracking dyes does not obscure TAMRA or HEX primers. The faster migrating dye fluoresces ...
Company:USB Corp.

ULTROSPEC 6300 from GE Healthcare, formerly Amersham Biosciences

Description:... with capability for 50 stored methods. *Includes cDNA application software for measuring incorporation of Cy3, Cy5, fluorescein, and user specified dyes into purified microarray *hybridization probes and PCR products. *Provides display and print-out information in English, German, French, Italian, ...
Company:GE Healthcare, formerly Amersham Biosciences

Cy3 Ab Labeling Kit from GE Healthcare, formerly Amersham Biosciences

Description:... Convenient way to tag antibodies with CyDye fluorescent dyes. Conjugations are carried out under mild conditions and are complete within 1 h. dyes are packaged in premeasured amounts and foil sealed to ensure consistent labelings. Category: Blotting & Labeling & Detection, Protein Labeling and ...
Company:GE Healthcare, formerly Amersham Biosciences

dithiothreitol (DTT) from Molecular Probes (Invitrogen)

Description:... dithiothreitol (DTT) Reactive dyes and Chemicals Thiol-Reactive Dyes, Haptens and Quenchers Reducing ...
Company:Molecular Probes (Invitrogen)

Panomer 9 random oligodeoxynucleotide, Alexa Fluor 647 conjugate from Molecular Probes (Invitrogen)

Description:... Panomer 9 oligodeoxynucleotides are random primers that are labeled at the 5' end with our proprietary Alexa Fluor dyes and they are useful for assessing microarray spot morphology, hybridization potential and channel bleedthrough on DNA ....
Company:Molecular Probes (Invitrogen)

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dyes in Biological Definition

Biodiversity

... warmth. Biodiversity may be a source of energy (such as biomass ). Other industrial products are oils , lubricants , perfumes , fragrances , dyes , paper , waxes , rubber , latexes , resins , poisons and cork can all be derived from various plant species. Supplies from animal origin ...

Isozyme

... an assay that links their function to a staining reaction. For example, detection can be based on the localised precipitation of soluble indicator dyes such as tetrazolium salts which become insoluble when they are reduced by cofactors such as NAD or NADP , which generated in zones of enzyme ...

Neuron

... cells play a vital role in information processing among neurons. Histology and internal structure Nerve cell bodies stained with basophilic dyes will show numerous microscopic clumps of Nissl substance (named after German psychiatrist and neuropathologist Franz Nissl , 1860–1919), ...

Proteomics

... but are unique to one protein. Protein quantification . Gel-based methods are used, including differential staining of gels with fluorescent dyes (difference gel electrophoresis ). Gel-free methods include various tagging or chemical modification methods, such as isotope-coded affinity tags ...
dyes in Biological Dictionary

Rhodopsin

... II ... SOLUTION STRUCTURE OF 2ND INTRADISKAL LOOP OF BOVINE RHODOPSIN (RESIDUES 172-205) ... Rhodopsin and the eye. Basics behind dyes and Pigments. Phosphorescence and Fluorescence ... However, Rhodopsin is destroyed by bleaching on exposure to light ... The European ... The ...

Chromatin

...rochromatin... chromatin n. A complex of nucleic acids and proteins, primarily histones, in the cell nucleus that stains readily with basic dyes and condenses to The ultrastructure, chemistry, physiology, and cell biolgy of chromatin . ... Chromatin is that portion of the cell ...

Cell nucleus

... about cell nucleus in the free online English ... achromatin - the part of a cell nucleus that is relatively uncolored by stains or dyes ... ...

Basophils

... Pathfinder Encyclopaedia ... Basophils (or discrete subpopulations thereof) have been shown to express: ... Definition of basophils . ... dyes when stained for examination under the microscope ( basophils appear blue). Basophils play a part in the allergic response as ... When ...

Antibodies

... have been validated for use in flow cytometry, ... Biotinylation of antibodies ... Conjugation of monoclonal antibodies to fluorescent dyes - an in-depth guide to ... Immunoprecipitation with soluble antibodies ... A researcher's guide to companies that sell antibodies and ...
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