citric

Simulations unravel outer membrane transport mechanism

...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 substances they take up, and the outer membrane contains no energy-generating machinery to power the job of h...

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New Protocols for Isolating High- Molecular-Weight Genomic DNA

...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 mMTris-HCl, pH 7.65). After 5 minutes at 37 C, pelletthe lysed blood cells by centrifugation, then wash the pellet wi...

2D-LC analysis of phosphopeptides in brain tissue using Ettan MDLC and Finnigan LTQ

...lt 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 RPC trap column, where they were desalted. RPC separation was performed on a Zorbax 0.075 x 150-mm a...

Sensitive identification of phosphopeptides in brain tissue using Ettan MDLC and Finnigan LTQ

...) 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 RPC trap column (Zorbax™, Agilent), where they were desalted. RPC separation was performed on a ...

citric at Biology Definition

Proton-motive force

...ial membrane. It is generated by energy from the citric acid cycle and is utilized in the synthesis of ATP via ATP Synthase . In plants, the Proton Motive Force also exists in the thylakoid membranes of the chloroplast , where it is generated by the light reaction of photosynthesis and used to s...

Oxidative phosphorylation

...cellular respiration , after glycolysis and the citric acid cycle . The process takes place at a biolo...n carrier molecules that were "loaded" during the citric acid cycle, are used in an intricate mechanism (involving NADH-Q reductase , cytochrome c oxidas...

Nicotinamide adenine dinucleotide

... NAD is used extensively in glycolysis and the citric acid cycle of cellular respiration . It forms NADP with the addition of a phosphate group to the 2' position of the nucleotide through an ester linkage. NADP is produced in the preliminary cycles of photosynthesis , and is used in the later Cal...

Nicotinamide adenine dinucleotide

... NAD is used extensively in glycolysis and the citric acid cycle of cellular respiration . It forms NADP with the addition of a phosphate group to the 2' position of the nucleotide through an ester linkage. NADP is produced in the preliminary cycles of photosynthesis , and is used in the later Cal...

Nicotinamide adenine dinucleotide

... NAD is used extensively in glycolysis and the citric acid cycle of cellular respiration . It forms NADP with the addition of a phosphate group to the 2' position of the nucleotide through an ester linkage. NADP is produced in the preliminary cycles of photosynthesis , and is used in the later Cal...

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citric at Biology Dictionary

Proton-motive force

...rial membrane. It is generated by energy from the citric acid cycle and is utilized in the synthesis of ATP via ATP synthase. Full article >>> Proton-motive force In all cells , the energy storage and utilization process involves the Proton-motive force in some step. This can be de...

Krebs cycle

... When oxygen is present, acetyl-CoA enters the citric acid cycle inside the mitochondria l matrix, and...e breakdown of glucose into carbon dioxide. See citric acid cycle . Full article >>> Krebs cycle : the sub division of cellular respirati...

FADH2

... reduced forms of FAD. FADH2 is produced in the citric acid cycle . In oxidative phosphorylation , one ...arrier molecule s that were "loaded" during the citric acid cycle , ... Full article >>> The electrons of NADH and FADH2 are trans ferred...

Citric acid cycle

Citric acid cycle The citric acid cycle (also known as the tricarboxylic acid ...lar respiration . Full article >>> citric acid cycle ( Krebs cycle or tricarboxylic acid cycle) - central metabolic pathway found in all ae...

Cistron

...it of DNA or RNA corresponding to one gene . citric acid cycle Krebs cycle . clones The descendants of a single cell . Class ically, this has meant cells , but Dolly the sheep was a clone . Full article >>> Benzer coined the term cistron for these genetic units of function. Bu...

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citric at Medicine News

Sensitive cough suffered by females

...e capsaicin, the hot substance in red peppers, and citric acid. The women needed far less of each 'cough challenge' - as the substances were called - to induce coughing. The difference between the genders was independent of cigarette smoking and the kind of cough being treated at the clinic. The study sugge...

Pepsi company in a lawsuit(soup)!

...ombination of sodium benzoate and ascorbic acid or citric acid have been launched across Europe, North America and Latin America in the last four years. According to Kababick, who claimed to have devised a better test for benzene the FDA's procedure exposed drinks to heat, which could cause more benzene t...

A Glass of Orange Juice To Keep Recurrence Of Kidney Stones At Bay

...ices contain citrate, a negatively charged form of citric acid that gives a sour taste to citrus fruits. Researchers compared orange juice and lemonade – juices with comparable citrate contents – and found that the components that accompany the citrate can alter the effectiveness of the juice in decreasing ...

Root Beer - Safe Soft Drink

...owever, diet drinks contain phosphoric acid and/or citric acid and still cause dental erosion—though considerably less than their sugared counterparts. 'Drinking any type of soft drink poses risk to the health of your teeth,' says AGD spokesperson Kenton Ross, DMD, FAGD. Dr. Ross recommends that patients ...

Too Much of Acidic Foods can Cause Permanent Damage to Teeth

Researchers have revealed that fruit, yoghurt, citric and soft drinks, may seem like harmless snacks and beverages, but improper consumption and overuse may lead to devastating and permanent damage to teeth. Its known as tooth erosion, the break down of tooth structure caused by the effect of acid on...

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citric at Medicine Definition

Tincture

... Tincture of ferric citrochloride (a chelate of citric acid and Iron(III) chloride ) Tincture of green soap (which also contains lavender ) Tincture of guaiac Tincture of iodine Tincture of opium ( laudanum ) Camphorated opium tincture ( paregoric ) An herbal extract The multiple pl...