Duke chemist has new way to tell right from left
...ing up to industrial manufacturing quantities.
"Asymmetric synthesis of ketones
is not new, but we can do it more practically and easily," said Coltart, wh...own to the pharmaceutical industry, this problem of molecular handedness in ketones
has been difficult to solve. Academic labs have succeeded at asymmetric syn...
Illness Presents Diabetics With Special Challenges
...een instructed by your health-care team, check for ketones
in your urine every few hours. Ketones, a waste pr...levels.
Call your doctor if: there is a rise in ketones
or if there are ketones
in your urine for more than 12 hours; if you've be...
Transporters may help delay diabetes-related retinal damage
...for this high-energy-consuming tissue, says Dr. Martin.
She suspects the two transporters work harder in diabetes to increase levels of lactate and ketones
bodies, which may help explain why diabetes impact on the eye may go undiagnosed for years. I think what fascinates me so much about the eye is you ca...
A Milky Alternative to Alzheimer Drug
... Ketasyn contains fatty acids that the liver metabolizes into substances called ketones, similar to what's produced during a fast. Brain cells can use ketones
in place of sugar for energy.
That's also similar to the high-fat, low-protein ketogenic diet sometimes used for children with severe epilepsy...
New Chemistry Approach Promises Less Expensive Drugs
... activation that allows a whole group of reactions to take place."
Broadly stated, the discovery will open up new possibilities for working with ketones
and aldehydes, two chemical groups that are found on a large percentage of the substances in which organic chemists are interested. "They form a big r...
Progression Of ALS May Be Prevented By A High Caloric Diet
...to those affected."
The cause of neuronal death in ALS is uncertain but study researchers say mitochondrial dysfunction plays an important role. ketones
promote mitochondrial energy production and membrane stabilization. Mitochondiral membrane dysfunction, loss of oxidative stress control, generation o...
Start the New year with news on intelligent weight loss!!
...t each year until he hits 50. A woman gains proportionately more.
Another wakening is : Eating less than 130g of carbohydrate a day can build up ketones
in your blood, which can lead to gout and kidney stones. So never say a complete no to carbs.
Never skip breakfast when loosing weight. Studies ...
Ketones in Medical Technology
Help! I'm Sick. How Do I Handle My Diabetes?
...een instructed by your health care team, check for ketones
your urine every few hours.
-- Don't stop i...ct your health care provider if there is a
rise in ketones
or if there are ketones
in your urine for more than 12
hours; if you are v...
Ketones in Medical Dictionary
In organic chemistry, a ketone is a type of compound that features a carbonyl group (C=O) bonded to two other carbon atoms, i.e., R3CCO-CR3 where R can be a variety of atoms and groups of atoms. With carbonyl carbon bonded to... In organic chemistry, a ketone is a type of compound that feat...
...ion Resources Diabetic Ketoacidosis Definition Diabetic Ketoacidosis is a serious condition where the body has dangerously high levels of ketones
-- or acids that build up in the blood -- and it can lead to diabetic coma ... InteliHealth - Featuring Harvard Medical School's consumer...
...nd the deamination of amino acids. The two common ketones
produced in humans are acetoacetic acid and β-h... Alcoholic ketoacidosis is the build up of ketones
in the blood. ... Patients with alcoholic keto... Alcoholic ketoacidosis is the build up of ketones
in the blood. ... What is Alcoholic Ketoacidos...
Ketones in Biological News
New process derives 'green gasoline' from plant sugars
...ion of an organic oil-like solution floating on top of the water. The oil layer, which is easily transportable, contains molecules of acids, alcohols, ketones
and cyclics, which Dumesic calls "functional intermediates." These molecules are the precursors to fuel.
Unlike petroleum, plant sugars contain equ...
Ketones in Biological Technology
Stevens researchers provide new information about mass spectrometry
...mass spectra of anions derived from several hydroxyphenyl carbaldehydes and ketones
were recorded and mechanistically rationalized. For example, the spectrum o..., followed by that of the phenolic group. Anions from 2-hydroxyphenyl alkyl ketones
lose a ketene by a hydrogen transfer predominantly from the alpha position....
Ketones in Biological Definition
...can also undergo oxidation to give aldehydes , ketones
or carboxylic acids , or they can be dehydrated ... KOH (mainly 1 alcohols).
From aldehydes or ketones
: reduction with sodium borohydride .
From al...ds upon oxidation, while secondary alcohols give ketones
. Tertiary alcohols resist oxidation. Traditiona...
...drates (e.g. chitin , which contains nitrogen ).
The simplest carbohydrates are monosaccharides , which are small straight-chain aldehydes and ketones
with many hydroxyl groups added, usually one on each carbon except the functional group. Other carbohydrates are composed of monosaccharide units,...
...y acids by lipolysis . Muscle is degraded to release amino acids for gluconeogenesis. The rise of fatty acid levels is accompanied by a rise of ketones
( acetone , acetoacetate and beta-hydroxybutyrate ). As the ketosis worsens, it produces a metabolic acidosis , with anorexia, abdominal distress,...