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Tag: "various" at biology news

New measure of sexual arousal found for both men and women

...and involved placement of measuring instruments in various locations in the genital region and this interfered with the arousal itself. Thermography does not have any such requirements and is very user-friendly. This may be the first test to diagnose blood vessel blockage as a cause of sexual dysfunction in ...

Nanoparticles can track cells deep within living organisms

...arate MRI signature for different cells with these various types of unique nanoparticles, we could use them t... is becoming more popular for molecular imaging of various cell and tissue types." Next the research group will evaluate how nanoparticle-labeled cells func...

New nanotechnology able to examine single molecules, aiding in determining gene expression

...that as we understand how to intelligently combine various components of genomics, robotics, informatics, and nanotechnology—the so-called GRIN technology—the resulting systems will become simple, inexpensive, and commonplace." ...

Protein therapy may reduce infarct size in heart attack patients

...rchers performed tests to assess heart function at various time points and assessed safety and cardiac outcomes through six months. This trial was designed as an exploratory study to assess the potential impact of KAI-9803 in this “first-in-human?study. Results indicate that KAI-9803 may be associated wi...

Bacterial response to oxidation studied as toxin barometer

...eful organisms were being put out of commission by various toxins in the water, she and a student went to a conference of microbiologists who work with stress systems. “We saw a connection between what they were seeing in food processing and what we were seeing in wastewater systems.? She discovered that t...

The influence of the menstrual cycle on the female brain

...rders such as addictions and is also implicated in various psychiatric and neurological pathologies, such as Parkinson's disease and schizophrenic disorders. Many studies on animals prove that the dopaminergic3 system is sensitive to gonadal steroid hormones (estrogen, progesterone). For example, female rats...

How fish conquered the ocean

...r coping with these problems. For years we studied various aspects of the physiological adaptations of the fish egg to the marine environment. It is most satisfying that Dr. Finn has been able to tie the threads together in molecular and evolutionary terms with their impressive, comparative sequence alignmen...

Swimming 'to the left' gets bacteria upstream, and may promote infection

... soft lithography. Inside the devices they set up various flow patterns to observe the bacteria in channels that were only 150 or 300 microns wide and between 50 and 450 microns deep. They were able to observe how the bacteria moved at a wide range of flow rates ?between 0.05 and 20 microliters per minute. ...

Magic Beans -- Anti-obesity soya could help prevent diabetes

...2 rats to gorge on a fatty diet, supplemented with various levels of black soya. The results showed that, after two weeks, those getting 10% of their energy from black soya had gained half as much weight as those in the control group. Total blood cholesterol fell by 25% and LDL (so-called ‘bad? cholesterol ...

Colour sensor breath test can detect lung cancer

...ness were 49 people with small cell lung cancer at various stages of development. The research team used the sensor results from 70% of the study participants to develop a predictive model, the accuracy of which was then tested on the remaining 30%. The results showed that the test was able to accurate...

Widely used iron nanoparticles exhibit toxic effects on neuronal cells

... by remote magnetic fields, and can be coated with various marker molecules to make them stick selectively to tumors and other targets within the body. The particles can also be made to carry anti-cancer drugs or radioactive materials directly to a tumor. Magnetic nanoparticles designed to attach to cancerou...

100 percent juices found as beneficial to health as fruits and vegetables

... do play an important role in reducing the risk of various diseases, especially cancer and cardiovascular heart disease,?says Sue Taylor, RD, with the Juice Products Association, a non-profit organization not associated with this research. She adds that appropriate amounts of juices should be included in th...

Scientists identify a candidate gene for osteoporosis

...h is controlled by many genes, including those for various hormones, growth factors, signaling molecules, and structural components of bone and cartilage. Previous genetic studies had pointed to a region on mouse chromosome 1 as containing a gene responsible for BMD regulation. In the current project, Mo...

Chromosomal microarray analysis proves accurate

...t it will identify an abnormality in children with various disabilities where the previous chromosomal testing did not. This study involved two versions of the test, and the newer version was more successful in identifying chromosomal abnormalities. The targeted microarray analysis used here is essentiall...

Music genes and musical geniuses

...ages and cultures (with music at the very top) and various aspects of human evolution. Music highlights the cultural links between populations; likewise genetics gives us the means to highlight biological kinships. In this logic, we thought it would be interesting to gather musicians and researchers in a sin...

Breathing easy: When it comes to oxygen, a bug's life is full of it

...hich has identified more than 50 genes controlling various aspects of airway development, has also studied how oxygen-starved cells behave in developing airways. Krasnow’s laboratory is also investigating the development of the mammalian lung using mice. The work is aimed at learning more about human lung di...

Human preference for other species could determine whether they survive

...ndergraduate students calculated the popularity of various species by studying photographs in four large-form...e it, when making decisions about how to deal with various species, even invasive species. He noted that mountain goats introduced to Olympic National Park in ...

New imaging technique tracks traffic patterns of white blood cells

...markers and microdomains." Researchers explored various mouse models including that of Sickle Cell disease which is a common inherited blood disorder in the United States, affecting 72,000 Americans according to the National Institutes of Health (NIH). Sickle Cell disease is a blood disorder that affects ...

Widely used hepatitis B drug spurs HIV drug resistance

... advanced techniques. She and her team combined various concentrations of entecavir with 100,000 human immune cells from a healthy blood donor, then infected them with an HIV test virus and measured the number of cells infected over time. The lab test, developed at Hopkins by study co-author Robert S...

A sweet step toward new cancer therapies

...," Hakansson said. Together, the masses of the various fragments provide a sort of fingerprint that reveals the genetic blueprint from which the protein was built---information that helps researchers confirm the protein's identity. This works fine as long as the protein has not been modified after it was...

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(Date:7/9/2014)... Sexual selection refers to species, selection for traits that ... of natural selection enhances opportunities to mate, the tail ... at the University of California, Riverside have now found ... a placenta are linked. Describing the life histories ... family Poeciliidae, the researchers found that species with placentas ...
(Date:7/9/2014)... (TCGA) Research Network have identified novel mutations in ... most common subtype of lung cancer. Knowledge of ... possible therapeutic targets for this disease and potentially ... mutations because many potent cancer drugs that target ... funded and managed by the National Cancer Institute ...
(Date:7/9/2014)... With grilling season upon us, many backyard cooks are ... fatty hot dogs. But low fat can sometimes mean ... addressing the texture problem in low-fat wieners that are ... study was published in ACS, Journal of Agricultural ... colleagues note that hot-dog consumers have come to expect ...
Breaking Biology News(10 mins):Biologists link sexual selection and placenta formation 2Biologists link sexual selection and placenta formation 3Biologists link sexual selection and placenta formation 4Study identifies novel genomic changes in the most common type of lung cancer 2Study identifies novel genomic changes in the most common type of lung cancer 3
(Date:7/9/2014)... The liver is one of the most important organs ... that we utilize our food properly this is ... removed from our organism this is its detoxification ... and unhealthy food all damage the liver. The resulting ... deposits, cirrhoses, and life-threatening liver failure. According to the ...
(Date:7/9/2014)... studies linking older age with kidney and heart disease ... donation among older adults. However, in the first study ... Perelman School of Medicine at the University of Pennsylvania ... enjoy similar life expectancy and cardiovascular health as very ... In light of the ever increasing organ transplant waitlists, ...
(Date:7/9/2014)... has risen dramatically in Western societies. One frequently cited ... and have fewer infections than previous generations, thereby delaying ... researchers at Sahlgrenska Academy, University of Gothenburg, monitored children ... the immune system in relation to allergic disease. All ... Vstra Gtaland Region, half of them on farms that ...
(Date:7/8/2014)... awarded up to $15 million by the Defense Advanced ... aiming to help brain-injured people restore lost memory functions. ... psychology and physics will collaborate to create, surgically implant, ... Memory is the process in which neurons in certain ... retrieve it. Certain types of illnesses and injuries disrupt ...
(Date:7/8/2014)... found to be three times higher when auditors were ... auditors present, according to a study in a major ... "Quantification of the Hawthorne effect in hand hygiene compliance ... study," published today on-line in the BMJ Quality ... Srigley, who did the study as part of her ...
Breaking Medicine News(10 mins):Health News:Telemedicine for patients with chronic liver diseases 2Health News:Telemedicine for patients with chronic liver diseases 3Health News:Penn study finds living kidney donation does not increase risk of death or heart disease for older 2Health News:DARPA awards UCLA $15 million to restore lost memory 2Health News:DARPA awards UCLA $15 million to restore lost memory 3Health News:Health-care worker hand hygiene rates increase three-fold when auditors visible 2Health News:Health-care worker hand hygiene rates increase three-fold when auditors visible 3
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