Pfizer's work on penicillin for World War II becomes a National Historic Chemical Landmark
... it developed 20 years earlier to mass produce citric acid. citric acid is a key ingredient in foods and beverages ... or sour taste. Charles Pfizer & Co had made citric acid the traditional way since 1880: from unripe ...Sports Drinks May Be Tough on Teeth
... drinks as a healthier alternative to soda, a new study shows that the citric acid they contain can damage teeth. The finding comes from a study ... damage and tooth loss, if not treated. "This is the first time that the citric acid in sports drinks has been linked to erosive tooth wear," study leader ...Drink Brewed Tea to Avoid Tooth Erosion
... 20 ounces and contains 17 teaspoons of sugar. More startling is that some citric acids found in fruit drinks are more erosive than hydrochloric or sulfuric ... In addition, stay away from prepackaged iced teas because they contain citric acid and high amounts of sugars. It does not matter whether the tea is ...Bionovo Presents Positive Results from Phase 1B Trial of Bezielle for Metastatic Breast Cancer
... with a novel mechanism of action. Bezielle targets diseased cells while leaving normal cells healthy and intact. Normal cells depend primarily on the citric acid cycle (>85%) and very little on glycolysis (<7%) for energy production. Cancer cells depend largely on glycolysis (>85%) for energy ...Some Diet Sodas May Ward Off Kidney Stones
... Medical School, in Boston. Potassium citrate and other pills can help alleviate the problem, as can a special lemonade drink (rich in citric acid) concocted by one of Eisner's co-authors a decade or so ago. But this study extended the idea to see how much citrate was contained in 15 ...Route to obesity passes through tongue
... implanted electrodes in the rodents' brains to record the firing of nerve cells when the rats' tongues were exposed to various tastes -- salt, citric acid, plain water and six different concentrations of sucrose. Hajnal and Kovacs specifically looked at differences in processing taste in the ...Keep a Watchful Eye on Sugary Beverage Consumption
... teeth. Did you know that some soft drinks contain as much as 11 teaspoons of sugar per serving and that most soft drinks also contain phosphoric and citric acids? Prolonged exposure to these acids can cause erosion, the loss of hard tissue from the tooth surface. According to Dr. Bruce Terry, a ...Academy of General Dentistry Launches Campaign to Focus on Tooth Erosion
... Repeated exposure to acidic drinks and foods permanently destroys enamel CHICAGO, Sept. 4 /PRNewswire-USNewswire/ -- Fruit, yogurt, citric and soft drinks, may seem like harmless snacks and beverages, but improper consumption and overuse may lead to devastating and permanent damage ...Bionovo Announces Positive Developments in On-going Phase 1/2 Cancer Drug Trial
... with a novel mechanism of action. BZL101 targets cancer cells while leaving normal cells healthy and intact. Normal cells depend primarily on the citric acid cycle (>85%) and very little on glycolysis (<7%) for energy production. In contrast, cancer cells depend largely on glycolysis (>85%) for energy ...BD Vacutainer® Plus Plastic Citrate Tube
Features:... 0.109Molar / 3.2% citric concentrate Outer tube PET (Polyethylene Terephthalate) Retains vacuum, maintaining proper blood to additive ratio Standard light blue BD ...CU researcher engineers sorghum that grows in poisonous soils
... special proteins in the root tip release citric acid into the soil in response to aluminum exposure. citric acid binds aluminum ions very effectively, ... membrane-transporter protein responsible for the citric acid release. The gene, they discovered, is only ...Drink brewed tea to avoid tooth erosion
... 20 ounces and contains 17 teaspoons of sugar. More startling is that some citric acids found in fruit drinks are more erosive than hydrochloric or sulfuric ... In addition, stay away from prepackaged iced teas because they contain citric acid and high amounts of sugars. It does not matter whether the tea is ...An easy way to find a needle in a haystack by removing the haystack
... hundred analyte peaks, among which 46 metabolites could be identified. Interestingly, among them were eight of a total of eleven intermediates of the citric acid cycle, which is vital for most organisms," says Rohit Shroff, a native of India, who was a PhD student at the "International Max Planck Research ...Food scientists confirm commercial product effectively kills bacteria in vegetable washwater
... as FIT Fruit and Vegetable Wash, not only proved much more effective than the commonly used chlorine dioxide but is made from ingredients like citric acid and distilled grapefruit oil that are generally regarded as safe. Chlorine dioxide, whose use in food plants can put workers at risk, was ...Simulations unravel outer membrane transport mechanism
... appears online in the Biophysical Journal and was described in the May 25 edition of Science. Transporting large molecules, such as vitamin B12, citric acid or other vital nutrients across the outer membranes of Gram-negative bacteria is not a simple task. The cells must be selective in what ...Citrate appears to control buckyball clumping but environmental concerns remain
... this behavior can be changed by the addition of citric acid although the good news and bad news of this ... mixing the molecules with water, they have added citric acid, a naturally occurring and readily available ... and fate of fullerenes in the environment. citric acid is well understood as a proxy for other ...Bacteria pack their own demise
... while bacteria have to make do with around one millimetre of DNA. A piece of DNA containing the recipe for one characteristic, such as "how to make citric acid" or "how to make hair curl," is called a gene. Humans have several tens of thousands of genes. Toxin and antitoxin If your genetic ...Sensitive identification of phosphopeptides in brain tissue using Ettan MDLC and Finnigan LTQ
... brain sample was injected onto a 2.1 ×250 mm SCX column (BioBasic™, Thermo Electron) and eluted with a linear salt gradient (A: 20 mM citric acid, 25% CH 3 CN; B: A+ 1 M NH 4 Cl) where fractions were collected twice every minute (Fig 1). The fractions were injected onto a 0.3 ×5 mm ...2D-LC analysis of phosphopeptides in brain tissue using Ettan MDLC and Finnigan LTQ
... injected onto a 2.1 x 250-mm BioBasic SCX column and eluted at 100 µl/min with a linear salt gradient of 0–30% B over 40 min (A: 20 mM citric acid, pH 2.5, 25% CH3CN; B: A + 1 M NH4Cl). Fractions were collected twice every minute (Fig 1). The fractions were injected onto a 0.3 x 5-mm Zorbax ...New Protocols for Isolating High- Molecular-Weight Genomic DNA
... recovery in transgenic in vivo mutation assays. Methods 8 Blood: Recover rodent whole blood (5 to 7 ml) with the anticoagulant ACD (0.48% citric acid w/v, 1.32% sodium citrate w/v, 1.47% glucose w/v), 7 and add five volumes of Tris-buffered ammonium chloride (140 mM NH4Cl, 17 mM Tris-HCl, ...