Tag: "oxygen" at medical news
Partial Liquid Breathing Improves Lung Function, Chances of Survival in Sick Preemies
... for this condition -- increasing the pressure and oxygen
concentration inside the lung in an effort to force more oxygen
into the blood stream -- can cause permanent lung damage and result in a chronic disease called bron...
Scientists Produce New Anti-Malarial Compound
...temisinin and the new compounds, that contains two oxygen
atomsbound together, a structure called a peroxide...rons that rupture the bondbetween the two adjacent oxygen
atoms in the peroxide structure.The result is an oxygen
free radical -- an atom with an unpairedelec...
KUMC Researchers Announce Breakthrough Method For Predicting Epileptic Seizures
...auma, brain tumors, strokes, infection, poisoning, oxygen
deprivation or other events that cause scarring in the brain. This scarring acts as an irritant to the nerve cells which can trigger an abnormal electrical discharge, causing a seizure. For patients with epilepsy, the implications of being ab...
Duke Study Uses Tiny Temperature Changes To Probe Water-Exclusion At Protein Binding Sites
...ical properties.So while hydrogen can link up with oxygen
to form normal water, its heavierisotope -- deuterium -- can in turn form "heavy" water. Normal and heavy water undergo the same chemical reactions, but heavywater interacts with other heavy water molecules about 10 percent more stronglythen no...
Researchers Study 'Natural' Screen For Cancer
...isease. An orangelight forces hypericin to release oxygen
"singlets" and decompose cancerouscells. A second study involves the use of a "diffused spectroscope" to studymelanoma, or skin cancer. Researchers developed the device, which is patented,to "inject" light into skin, where it is modified, th...
A Good Night's Sleep Is Possible At High Altitudes
Effect of temazepam on oxygen
saturation and sleep quality at high altitude: ran... of fluid on the brain or heart or cause a lack of oxygen
to be supplied to the heart. In this week's BMJ Dubowitz reveals the results of a study of the effe...
Penn Researchers Create Drug To Help Target Attack On Cancerous Tumors
... EF5, permits doctors to effectively determine the oxygen
content of a tumor--which subsequently dictates th...the hypoxic regions in the tumor and highlight its oxygen
content. Sydney Evans, VMD, Assistant Professor of Veterinary Medicine, has spent the last s...
New Math, High-Tech Imaging Solving Old Riddle: How Does The Brain Operate When We Think?
...MRI), scientistshave long known that the amount of oxygen
used by a particular area of the braincan change d...h are diseases involving changes in blood flow and oxygen
use in differentorgans. fMRInow has the potential to become much more like a routine blood test that...
Deaths Related To Intrapartum Asphyxia - Is There A Problem With Prevention?
...n by fetal heart monitoring of problems with fetal oxygen
supply, in an effort to ascertain whether the causes of fetal death around the time of delivery present themselves differently during the night. Contact: John Spencer, Consultant Obstetrician and Gynaecologist, Northwick Park Hospital, Harrow, Middle...
Effects Of 15% Oxygen On Breathing Patterns And Oxygenation In Infants
(Effects of 15% oxygen
on breathing patterns and oxygenation in infants) In a linked editorial in this week's BMJ, Milner states that before widespread concern about the possible risk flying and altitude may pose to infants, it is important to put these considerations ...
Chemical Society's Highest Award Goes To Ronald Breslow
...or Joseph Priestley, who reported the discovery of oxygen
in 1774, and itsfirst recipient, in 1923, was Ira ...and other organisms make corticosteroids by adding oxygen
atomsto particular spots on steroid molecules. Proteins called enzymes lock on to thesteroid molecul...
Fast Food Can Speed Up Clogging Of The Arteries
...free radicals," whichare highly unstable, reactive oxygen
molecules that circulate in the blood anddamage ti...fat particles that have beencombined with reactive oxygen
-- plays a major role in the formation ofartery-blocking plaque. "Dietary oxidized cholester...
About The Care Of Patients Before They Are Admitted To Intensive Care
... that the problems lay in suboptimal management of oxygen
therapy, airway, breathing, circulation and monitoring before admission to intensive care which led to increased morbidity, mortality and avoidable admissions. They believe that these problems were caused by poor organisation, lack of knowledge, fai...
New Report Demonstrates That Following Guidelines Improves Clinical Practices, Reduces Liability Costs
... anon-invasive monitoring technology that assesses oxygen
levels in the blood. With the increasing prevalence of the newer intravenous (IV) conscious sedationtechnique used across clinical settings, MMI began aggressively encouraging theuse of pulse oximetry with this type of anesthesia across all settings....
Study Ties Cerebral Palsy To Inflammation And Blood-Clotting Abnormalities
...cluding infection andautoimmune disorders, trauma, oxygen
deprivation, and tumors. Any of thesefactors might prompt elevations in cytokines that then act as toxins, damagingneurons and their connections in the developing brain. Cytokine abnormalitiesmight also reflect underlying genetic or environmental f...
Encapsulating Insulin-Producing Cells For Possible Diabetes Therapy
...ecular weight materials like insulin or glucose or oxygen
or othernutrients." The islet-enclosing microcapsules are made of hyrogels, a class oflong-chain polymer molecules that possesses a high water content. In this case,the polymer chains are links of simple sugars and are thus known aspolysaccha...
UCSF Study Finds DHEA Benefits Cardiovascular Function
...is hampered and the heart's tissue does notget the oxygen
and nutrients it needs to perform well and stay healthy. The study, however, found that DHEA reversed that vascular constrictionand re-established bloodflow. This year marks the third year in a row that UCSF's Vascular Lab, one ofthe ...
Discarded Treatment For Heart Attacks May Yet Prove To Be A Life-Saver
...stry to protectthe region of the heart deprived of oxygen
by a heart attack." The 407 people in the ...se, which heart muscles can metabolize evenwithout oxygen
to produce enough energy to help them maintain their membranesand the "pumps" that move sodium and p...
Now Is Time To Design Brain-Saving Drugs Specifically For Children, UCSF Neurologist Says
...ins ofnewborn babies. Researchers in her lab study oxygen
deprivation from severalangles, ranging from genetic and in-vitro cell studies to efforts to improvediagnosis and care for babies whose brains have been deprived of oxygen. Herresearch group also is working on an animal model for hypoxia-ischemia th...
Growing Younger By Keeping Up Regular Physical Activity
...city in 22 weeks. The capacity of lungs to absorb oxygen
normally declines an average of 1 percent a year after age 40; those in their 70s recaptured the lung capacity they'd had in their 50s. A 12-week weight resistance program that more than doubled the leg musclestrength of some participating women 6...
1 2 3 4 5 6 7 8 9 10