Author Archives: Tigran Dadalyan
Optimization of non-nutritional factors for enhancement of nisin production
Nisin, has been used as a food biopreservative for over forty years in more than 80 countries including the United States and Europe and is produced by Lactococcus lactis, a bacterium used widely for industrial production of
When shoulder replacement fails, what happens next?
Shoulder replacement for arthritis is becoming more common, and is growing at twice the rate of knee replacement. The shoulder consists of a ball (the head of the humerus) and a socket on the shoulder blade (the
Flattering innovation: a popular method to test new devices is often misunderstood and misused
How do we test a new method to measure something? Is it as good as a tried and tested method? It may be quicker and easier to use, but is the result equivalent to the old, clunky
Specific synthetic nucleic acids instead antibodies
For a long time immunological methods have been applied in biological research as well as for detection and evaluation of various substances in clinical analysis of body fluids. Serum proteins, antibodies, form integral parts in all variants
Assessing plant responses to gravity may be the key to unlocking Martian agriculture
For humans to become a multi-planetary species, we must first overcome many technological and biological hurdles. The closest two potential sites for extraterrestrial colonization (apart from low Earth orbit) are the Moon and Mars. The Moon exhibits
Is our immune system mistaking tumours for foetuses?
Tumours are abnormal growths of tissue where cells produced by the body get out of control and divide at a rapid and unregulated pace. And – when you think about it – embryos too are masses of
The roles of α2AP in the pathogenesis of systemic sclerosis
Systemic sclerosis (SSc) is autoimmune rheumatic disease of unknown etiology that is characterized by the fibrosis of skin and visceral organs, and peripheral circulatory disturbance. In our study, we found that alpha2-antiplasmin (α2AP), which is known to
Why clinicians, general practitioners and other therapists hesitate to use psychosomatic insights
Therapists often believe that psychosocial factors play a causal role in the etiology of psychosomatic syndromes, such as psoriasis, stomach ulcers, fibromyalgia, chronic fatigue, bowel syndrome or migraines. But for decades, all attempts at confirming such causation
The effects of brain stimulation on cognitive inhibition
The term cognitive inhibition refers to the ability to control or suppress irrelevant responses, and to adopt instead relevant and flexible responses. A common situation that requires cognitive inhibition includes for example, the resistant to check messages
Cardiac device lead clots and cardiac ablation: mitigating the potential for Peri-procedural stroke?
An increasing number of patients receive implanted cardiac devices to ensure adequate beating of the heart ( pacemakers ), prevent sudden cardiac death from life – threatening rhythm disturbances (implantable cardioverter – defibrillator (ICDs) ), as well
RhEPO improves time to exhaustion by non-hematopoetic factors in humans
It is still unclear by which mechanism recombinant human erythropoietin (rhEPO) improves endurance performance. The common belief that it acts by increasing oxygen delivery is rather unlikely. Therefore, we investigated several exercise-relevant variables in healthy, very active
Gas Man computer simulation mimics anesthesia care
Gas Man® computer simulation mimics anesthesia care and allows anesthesia care providers to improve patient safety. Major surgery requires an anesthesia professional to give general anesthesia to a patient. This often begins with a drug injected in
A new example of what not to do in science
A well-known example of what not to do in science is to publish one’s research results not in a single paper, but in as many small papers––called Least Publishable Units (LPUs)––as possible. This is advantageous because researchers
Invertase effect localized on the cell wall on resistance of potato plants to low temperatures
Low temperature is a determinative environmental factor, which can affect all aspects of plant life and determine their geographical distribution and productivity. According to the response to low temperatures plants are divided into some groups: frost- resistant,
New app revolutionising assessment in youth mental healthcare
Across the population, young people are at the highest risk of developing mental health disorders but are the least likely to receive the support they require. Barriers to care been attributed to a range of issues with
Looking to lose weight in 2016? Step on the weighing scales
Using the latest connected-health technology, research from The University of Manchester indicates that the more often people engage with digital weighing scales, the more weight they lose. The more often people engage with digital weighing scales, the
Graphene: a nonlinear two-dimensional spring network
Graphene is one of the strongest materials in the world, which has an elastic modulus of 1.0 TPa and an intrinsic strength of 130 GPa (about 100 times of steel). Due to its nanoscale thickness, Graphene can
Who will speak for me?
People generally don’t like to think about how their life may end and few consider the possibility of dying in a hospital intensive care environment connected to tubes and monitors where they are unable to express their
Animal-free platforms for the efficient and accurate prediction of kidney toxicity in humans
Tens of thousands of chemicals are used in food, cosmetics and consumer products. In addition, humans are exposed to drugs and environmental toxicants. Safety testing based on animals is too slow and too costly for screening the
A promising novel drug for breast cancer
The reason cancer is so difficult to treat is that cancer cells are our own cells running wild, which means that they generally do not make any protein or other molecule that normal cells don’t make. This
