pH News and Research

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pH comes from the term “power of Hydrogen”, or the hydrogen ion concentration present in a given solution. It helps to measure the acidity or alkalinity of a substance.

Implantable device offers continuous cancer monitoring

Surgical removal of a tissue sample is now the standard for diagnosing cancer. Such procedures, known as biopsies, are accurate but offer only a snapshot of the tumor at a single moment in time.

21 Jul 2009

Global Fund-financed programs reaching more people, report shows

The most recent statistics on programs funded in 140 countries through the Global Fund to Fight AIDS, Tuberculosis and Malaria released Wednesday reveal "[m]ore than 2 million people living with HIV have been reached with life-saving treatment," the UN News Centre reports (7/8).

9 Jul 2009

Mexican, Chilean Presidents appeal for developing countries access to H1N1 vaccine

Mexican President Felipe Calderon and Chilean President Michelle Bachelet on Thursday emphasized the importance of developing countries having access to a vaccine that offers protection against the H1N1 (swine flu), "that has killed over 200 people and infected tens of thousands worldwide," AFP/MSN Philippine News reports.

29 Jun 2009

SmartPill capsule for ulcerative colitis patients

An electronic diagnostic tool called the SmartPill is swallowed by patients in order to take measurements as it travels through the gastrointestinal tract.

3 Jun 2009

Research sheds new light on how bird flu outbreaks begin in wild bird populations

New data on the persistence of avian influenza viruses in the environment has allowed a team of University of Georgia researchers to create the first model that takes into account both direct and indirect transmission of the viruses among birds. The model, which is detailed in the early online edition of the journal Proceedings of the National Academy of Sciences, has the potential to shed new light on how outbreaks begin in wild bird populations.

2 Jun 2009

Discovery of gene that regulates tumors in neuroblastoma

Virginia Commonwealth University researchers have identified a gene that may play a key role in regulating tumor progression in neuroblastoma, a form of cancer usually found in young children. Scientists hope the finding could lead to an effective therapy to inhibit the expression of this gene.

1 Jun 2009

FDA grants full approval for Sprycel (dasatinib) for chronic myeloid leukemia

Bristol-Myers Squibb Company has announced that the U.S. Food and Drug Administration (FDA) has granted full approval for Sprycel (dasatinib) for the treatment of adults in all phases of chronic myeloid leukemia (CML) (chronic, accelerated, or myeloid or lymphoid blast phase) with resistance or intolerance to prior therapy including Gleevec (imatinib mesylate).

27 May 2009

Snoring and sleep apnoea damage the brain

Australian researchers have found that the effects of sleep apnoea on the brain of a sleeping patient are far worse than previously thought.

17 May 2009

New device could track tumor's growth

Surgical removal of a tissue sample is now the standard for diagnosing cancer. Such procedures, known as biopsies, are accurate but only offer a snapshot of the tumor at a single moment in time.

13 May 2009

Researchers develop a dynamic heart system

A new machine developed at North Carolina State University makes an animal heart pump much like a live heart after it has been removed from the animal's body, allowing researchers to expedite the development of new tools and techniques for heart surgery.

12 May 2009

Link found between vitamin D insufficiency and asthma severity

Serum levels of vitamin D in more than 600 Costa Rican children were inversely linked to several indicators of allergy and asthma severity, including hospitalizations for asthma, use of inhaled steroids and total IgE levels, according to a study that will appear in the first issue for May of the American Journal of Respiratory and Critical Care Medicine.

23 Apr 2009

Acupuncture relieves symptoms of xerostomia

Twice weekly acupuncture treatments relieve debilitating symptoms of xerostomia - severe dry mouth - among patients treated with radiation for head and neck cancer, researchers from The University of Texas M. D. Anderson Cancer Center report in the current online issue of Head & Neck.

20 Apr 2009

Treatment for acid reflux does not improve asthma symptoms

A commonly used treatment for acid reflux does not improve asthma symptoms or control in patients who do not have symptoms of gastroesophageal reflux (GER), according to a new study supported by the National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health and by the American Lung Association (ALA).

12 Apr 2009

New over-the-counter pediatric toothpaste helps re-harden softened enamel

Starting from the time they take their children to their first dentist appointment, most parents know how important it is for kids to brush their teeth twice a day and floss regularly to protect against tooth decay.

8 Apr 2009

New 90-second radiotherapy therapy called RapidArc

The University of Alabama at Birmingham (UAB) this month became the first U.S. medical center to offer a speedier cancer radiation therapy.

5 Apr 2009

Basic guides to PCR, labeling neurons featured in Cold Spring Harbor Protocols

Along with new cutting-edge methods, Cold Spring Harbor Protocols is home to an in-depth library of basic laboratory methods.

1 Apr 2009

Heart burn surgery reverses chronic rejection in transplant patient

Acid reflux is thought to be - at most - an irritating condition easily controlled with medication, diet and weight loss.

1 Apr 2009

Study examines drug delivery systems activated by light

A study published in a special issue of Photochemistry and Photobiology examines the emerging practice of drug delivery systems which use the application of light to activate medications in the body.

30 Mar 2009

New, more effective nisin antibiotics combat superbugs and food diseases

Researchers at University College Cork have used bioengineering to produce a new generation of natural antibiotics that target harmful micro-organisms such as MRSA and the food-borne pathogen, Listeria monocytogenes

30 Mar 2009

Twin nanoparticle shown effective at targeting, killing breast cancer cells

A team of investigators at Brown University has developed a novel way to treat a class of breast cancer cells. The team has created twin nanoparticles that specifically targets the Her-2 tumor cell and unload a cancer-fighting drug directly into it. The result is a boost in antitumor activity while minimizing side effects. The findings of this study have been published in the Journal of the American Chemical Society.

26 Mar 2009