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Impurities in Medical News

Waters Corporation Announces U.S. Drug Enforcement Administration Acquires Waters ACQUITY UPLC System to Train Forensic Chemists in Drug Screening and Profiling

...nalyses. For drug profiling applications, where experts analyze trace impurities such as precursor chemicals in synthetic drugs or the constituents of natur...d sensitivity than HPLC paired with photodiode array detection. These trace impurities can be important in matching a seized drug to a particular individual and p...

The Most Common Cause of Hair Loss Is the Least Suspected, Warns Trichology Expert

... in which hyperhydrosis can compromise their restoration procedures." Sweating is a generally healthy mechanism in which sweat glands help remove impurities and cool the body down from overheating. "But excessive sweating can be harmful to the hair and scalp because of the lactic acid in our sweat secretio...

Cancer-Causing Toxins Detected in Fluoride Chemicals, Says NYS Coalition Opposed to Fluoridation

... NEW YORK, April 8 /PRNewswire-USNewswire/ -- Traces of arsenic, copper, lead and other impurities were found in samples of chemicals used to fluoridate public water supplies between the years 2000 and 2006, reports the Centers for Disease Control.(...

A 'bionic nose' that knows

...e," says Prof. Shabat. "The long list includes a few kinds of cancer, as well, including prostate cancer. But it also has applications for testing for impurities in water. It has both biological and non-biological applications." A Track-and-Trace Solution Prof. Shabat's invention is a molecular sensor t...

ESA to Launch Corona(R) ultra(TM) at Pittcon 2009: Booth #1080

... key analytical tool in the pharmaceutical industry. Breakdown products and impurities may lose their UV response, so they're easy to overlook with other detector...detection over four orders of magnitude e.g. API and impurities in the same run Sensitivity 10 ng on column, enabling detection...

New Standards Set for Heparin and Glycerin

...aid. The new standard takes effect in May. "The approach that the FDA is using to enforce these standards for heparin and glycerin means that these impurities should not happen again," Abernethy said. Dr. David L. Katz, director of the Yale University School of Medicine's Prevention Research Center, said ...

Drinking Lots of Water Can Help Keep Holiday Weight Gain at Bay : Everpure Water Filtration Products Offer Festive Ways to Stay Healthy This Season

...'s taste. Everpure's H300 Water Filtration System is equipped with Micro-Pure filtration media and proprietary precoat technology which remove harmful impurities that cause unwanted odor and bad taste. Everpure's revolutionary H-300 Water Filtration System is also compatible with the company's inventive a...

USP's 2008 Annual Scientific Meeting to convene scientific experts from around the world

...eparin and pet food, this year's ASM will focus on topics such as detecting impurities and heavy metals to work towards preventing these tragedies in the future. ... General tracks include: Track I: Quality of Manufactured Medicines: impurities Track II: Quality of Manufactured Medicines: General Notices and Proce...

US Pharmacopeia announces revised heparin monographs and reference standards

... assure that U.S. patients and practitioners have access to good quality medicines. "While USP monographs are generally designed to test for known impurities that may result from the manufacturing process or degradation, and not for unknown contaminants that may be added either accidentally or deliberately,...

Increased cancer risk following the use of radioactive Radium-224 in the therapy

...eukaemia was not increased significantly in the control group compared with the expected value for a normal population. "It is rather unlikely that impurities present in the radium preparations used before 1950 are responsible for the elevated appearance of myeloproliferative diseases in the exposed group ob...
Impurities in Medical Technology

Arbios Receives Approval From the FDA to Initiate Pivotal Trial for SEPET(TM) Liver Assist Device

...rough these fibers, blood plasma components of specific molecular weights are expressed through the micropores, thereby cleansing the blood of harmful impurities (e.g., hepatic failure toxins as well as various mediators of inflammation and inhibitors of liver regeneration). These substances would otherwise pro...

PulmoBioTech Announces Details of Its Regulatory Approval Experiments

...g as part of the Regulatory Approval Experiments for Human Trials. The areas are: 1. Efficacy Binding Studies 2. Characterization of Drug Product impurities 3. Sterility Studies 4. Pyrogenicity 5. Immunological Testing 6. Dosimetry 7. Toxicity PulmoScience will be completing all the relevant tests i...

Arbios Receives Conditional Approval from the FDA to Initiate Pivotal Clinical Trial for SEPET(TM)

...rough these fibers, blood plasma components of specific molecular weights are expressed through the micropores, thereby cleansing the blood of harmful impurities (e.g., hepatic failure toxins as well as various mediators of inflammation and inhibitors of liver regeneration). These substances would otherwise pro...

Arbios Provides Clinical Strategy for SEPET(TM) Pivotal Trial

...rough these fibers, blood plasma components of specific molecular weights are expressed through the micropores, thereby cleansing the blood of harmful impurities (e.g., hepatic failure toxins as well as various mediators of inflammation and inhibitors of liver regeneration). These substances would otherwise pro...

Indevus Receives Approvable Letter From FDA for VALSTAR(R) for Bladder Cancer Therapy

...erapy of bacillus Calmette-Guerin (BCG)-refractory carcinoma in situ (CIS) of the urinary bladder. VALSTAR was removed from the market in 2002 due to impurities in the original formulation and was placed on the FDA Drug Shortages List. Indevus solved the impurity issue and submitted a chemistry, manufacturing ...
Impurities in Medical Products

Model EXD

Description:...et provides heat centrifugation conditions with control to 150 o F. This is especially advantages for performing ASTM test method D-4007 and purifying impurities in chemicals, solid at room temperature. EXD is not tested for explosion-proof certification under heated centrifugation conditions....
Company:ThermoFisher Scientific

Model K

Description:...et provides heat centrifugation conditions with control to 150 o F. This is especially advantages for performing ASTM test method D-4007 and purifying impurities in chemicals, solid at room temperature....
Company:ThermoFisher Scientific
Impurities in Medical Definition

Fat transfer

...are possible with a fat grafting technique. [7] In that procedure, the doctors harvest donor fat, centrifuge it for refinement and to screen out impurities . Then, in a four to five hour procedure , they inject the fat into the layers of the breast through six to eight, two millimeter incisions in each b...
Impurities in Biological News

Silicon with afterburners: Process developed at Rice could be boon to electronics manufacturer

...s Tour, Rice's Chao Professor of Chemistry and professor of mechanical engineering and materials science and of computer science. Doping introduces impurities into pure crystalline silicon as a way of tuning microscopic circuits to a particular need, and it's been effective so far even in concentrations as s...

Novel technology could produce biofuel for around 0.50 a liter ($2.49 a gallon)

...400C. Known as gasification, this process transforms the liquid biosyncrude into a mixture of carbon monoxide and hydrogen termed syngas. After any impurities are removed from this syngas, it can be catalytically converted into a range of different chemicals and fuels, including methanol, hydrogen and a synt...

Novel technology could produce biofuel for around €0.50 a liter ($2.49 a gallon)

...400C. Known as gasification, this process transforms the liquid biosyncrude into a mixture of carbon monoxide and hydrogen termed syngas. After any impurities are removed from this syngas, it can be catalytically converted into a range of different chemicals and fuels, including methanol, hydrogen and a synt...

American Chemical Society's Weekly PressPac -- Dec. 3, 2008

...in the United States could soon have lower levels of potentially harmful metals, as the organization that sets drug standards develops new limits for impurities like mercury, arsenic, and lead, according to an article scheduled for the December 8 issue of Chemical & Engineering News , ACS' weekly newsmagazine...

NC State finds new nanomaterial could be breakthrough for implantable medical devices

...devices that can be implanted into the human body including blood glucose sensors for diabetics and artificial hemo-dialysis membranes that can scrub impurities from the blood. Researchers have long sought to develop medical devices that could be implanted into patients for a variety of purposes, such as mo...

Bare bones of crystal growth: Biomolecules enhance metal contents in calcite

...in biomolecules could also influence the amount of impurities that can go into minerals." "All organisms use...ials synthesis because a high degree of control on impurities is often necessary to give specific properties suc... By using biomolecules, it may be possible to tune impurities to desired levels, Dove said. "Also, this basic...

Drinking water in Gaza Strip contaminated with high levels of nitrate

...l fertilizers account for only around a quarter of the fertilizer used. Because of the area's geology and the semi-arid climate, it is fairly easy for impurities to seep down from the surface into the aquifier system. Organic fertilizers and wastewater are the main causes of the nitrate contamination in the gro...

MIT-led teams unravel heparin death mystery

...research team accomplished this difficult task by using a unique combination of scientific techniques that might in the future be used to detect other impurities in pharmaceutical materials. More than 100 patients have experienced adverse reactions after receiving the tainted heparin. Symptoms include extrem...

Group led by Stanford physicist says there's an urgent need for nuclear detectives

... host of clues, even at the microscopic level, including crystal structures and impurities. Uranium, for example, varies in isotopic composition and impurities according to where it was mined and how it was processed. Weapons-grade plutonium can be exposed during its production to different neutron fluxes and...

American Chemical Society's Weekly PressPac -- Dec. 12, 2007

...n industry and academia do not fully understand why Lithium-ion batteries sometimes catch fire or explode, Jacoby notes. Possible explanations include impurities that short circuit the batteries and yet unidentified reactions that underlie the problem. Nevertheless, researchers are exploring new battery materia...
Impurities in Biological Technology

Analyzing Trace-Level Impurities of a Pharmaceutical Intermediate Using an LCQ Deca Ion Trap Mass Spectrometer and the Mass Frontier Software Package

Mark R. Kagan 1 , Julian Phillips 2 , Carrie Liu 3 1Thermo Finnigan, Piscataway, NJ; 2Thermo Finnigan, San Jose, CA; 3Eisai Research Institute, Andover, MA Chemical Structure Validation ...

Aztech Controls Introduces Standardized Gas Sticks for Semiconductor Tool Hook Up

...Aztech delivers a standardized design from stock, their costs are some of the lowest in the industry. All gas sticks are pre-tested and certified for impurities (particles, moisture, oxygen) and leak rates. Testing is always performed by a third party quality company and every stick is shipped with complete d...

Material world: Graphene's versatility promises new applications

...eal graphene. This is due to the fact that charged impurities occur in experimental samples of graphene, which a.... Tao stresses the importance of these charged impurities and what they may mean for the development of graphene devices. Such impurities were already known to affect electron mobility in ...

Scientists demonstrate effect of confining dielectrics on semiconductor nanowire conductivity

...S), in collaboration with researchers from Worcester Polytechnic Institute (WPI), have demonstrated, for the first time, that the activation energy of impurities in semiconductor nanowires is affected by the surrounding dielectric and can be modified by the choice of the nanowire embedding medium. The findin...

EClips Energy Technologies, Inc. To Develop New 'Sterile Air' Product Using PATI Technology

...d that the air quality after treatment transcended current definition of 'pure' and legitimately matched the definition of 'sterile', where air has no impurities or contaminants of any kind. Most importantly, all bacteria, viruses, microbes, spores, yeasts, mold, mildew, hydrocarbons, odors and unwelcome contam...

Nanophysicists find unexpected magnetic effect

...an electron moving past a magnetic impurity will tend to flip its spin and therefore get deflected from its path. This explains why even tiny magnetic impurities can cause electrical resistance to rise, in spite of further cooling. Based on decades of experimental evidence, physicists would not ordinarily ex...

Researchers peer into nanowires to measure dopant properties

... Nanowires are synthesized from elements that form bulk semiconductors, whose electrical properties are in turn controlled by adding minute amounts of impurities called dopants. The amount of dopant determines the conductivity of the nanowire. But because nanowires are so small with diameters ranging from 3...

Researchers discover a potential on-off switch for nanoelectronics

...lectronic devices, charge-carrying electrons diffuse through circuits in a well-understood fashion, gaining or losing energy through transactions with impurities or other particles they encounter. Electrons at the nanoscale, however, can travel by a mechanism called quantum tunneling in which, due to the small ...

Latest issue of Science: Nanosonar uses electrons to measure under the surface

...ocean floor by means of reflected sound waves. "We hope that more sophisticated methods will make it possible to gain a detailed understanding of deep impurities and interfaces between atomic lattices," explained Lounis. For his simulations of the scanning tunnelling experiment, he used the supercomputer known ...

Latest issue of Science: Nano-sonar uses electrons to measure under the surface

...ocean floor by means of reflected sound waves. "We hope that more sophisticated methods will make it possible to gain a detailed understanding of deep impurities and interfaces between atomic lattices," explained Lounis. For his simulations of the scanning tunnelling experiment, he used the supercomputer known ...
Impurities in Biological Products

ImmunoPure IgM Purification Kit from Pierce Biotechnology, Inc.

Description:...rification. Standard methods for IgM purification generally are multi-step, tedious processes, or they are not effective for removing all of the major impurities present in IgM samples. Pierce has developed an easy-to-use affinity matrix and buffer system to purify IgM. This matrix, an immobilized mannan b...
Company:Pierce Biotechnology, Inc.

ProteoExtract Protein Precipitation Kit from Calbiochem

Description:... designed for concentration and clean up of proteins from aqueous samples. Proteomics sample analysis is often hampered by the presence of non-protein impurities such as buffers, salts and detergents in the protein sample that interfere with electrophoretic separations or enzymatic digestion. Additionally, prot...
Company:Calbiochem

GenElute Agarose Spin Columns from Sigma-Aldrich

Description:...rom an agarose gel and loaded into the spin column. Embedded within the base of the column are a series of membranes and filters that hold agarose and impurities back while allowing DNA to selectively pass through the column into a collection tube during a 10 minute centrifugation. GenElute Agarose Spin Columns...
Company:Sigma-Aldrich

Gel extraction kit from BioPioneer

Description: Gel extraction kit, 100 preps Storage: The kit is stable for 12 months at room temperature. For longer storage, keep all contents of the kit cold. Principle: The BP-10 spin column purification kit utilizes a silica-gel based membrane which selectively adsorbs up to 10ug of DNA fragments in ...
Company:BioPioneer

Excalibur 3100 from Varian, Inc.

Description:...signal-to-noise in its class allowing you to analyze difficult samples such as Angstrom-thick films, low concentration of analytes in water, and trace impurities in strongly absorbing matrices. The Excalibur series also employs a large, industrial capacity desiccant cartridge with large surface area and good po...
Company:Varian, Inc.
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(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
(Date:4/15/2014)... UC San Diego have succeeded in visualizing the ... for growth and resistance to drought. The achievement ... determine how the hormone helps plants respond to ... continuing increase in the atmosphere,s carbon dioxide, or ... in the April 15 issue of the scientific ...
(Date:4/15/2014)... are some of the loveliest in the world, but ... country,s pasture soils have become enriched in cadmium. Grasses ... eaten by the cattle and sheep that graze them. ... soils being reported worldwide. , The concern is that ... and dairy products, human health and New Zealand,s agricultural ...
(Date:4/15/2014)... temperatures in the Congo Basin to increase by ... by greenhouse gases by half, according to a ... Belgium. , Explosive population growth and inefficient agricultural ... in Central Africa. A team of researchers from ... will affect longer-term temperatures in the region. Using ...
Breaking Biology News(10 mins):Biologists develop nanosensors to visualize movements and distribution of plant hormone 2Study: Deforestation could intensify climate change in Congo Basin by half 2
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