Author Archives: karen
Tics in toddlers
Transient tics such as eyeblinks, grimacing or throat noises are a normal developmental phase that can be seen in many toddlers. When tics become chronic however, they can increase in severity until puberty and be harder to
An efficient and economical assay to screen for triclosan-resistant Staphylococcus aureus
Triclosan is an effective inhibitor for an essential bacterial enzyme, the enoyl acyl carrier protein reductase (ENR/FabI), in fatty acid biosynthesis. Due to its value in inhibiting bacterial growth, including methicillin resistant Staphylococcus aureus (S. aureus) (MRSA)
Ultraviolet lasing realized in ZnO via electrostatic doping method
Ultraviolet (UV) lasers have a variety of applications in many fields like machining, labeling, measuring, and guiding, etc. Wide bandgap semiconductors are one of the most promising candidates for efficient and robust UV lasers. ZnO has a
How adult female mosquito manages vegetarian vs. non-vegetarian food taste
Mosquitoes are one of the most deadliest animals on earth which not only cause nuisance, irritation and pain at the biting sites, but also take millions of lives worldwide each year by transmitting many infectious diseases like
How to best treat severe and chronic heartburn
Heartburn, a burning sensation behind the breastbone, is the most frequent symptom of gastroesophageal reflux disease (GERD) causing acidic stomach contents to be pushed up into the esophagus, the muscular tube connecting the mouth to the stomach.
Use of an in vitro model of blastema tissue from Rabbit pinna
Rabbit ear wound repair is an accepted model for studies of tissue regeneration, leading to scar less wound repair. It is believed that a specific tissue, blastema, is responsible for such interesting capacity of tissue regeneration. To
Receptors as drug targets
According to the latest count, human body has 37.2 trillion cells. They all have the same genetic material, half deriving from a sperm cell, the other half from an egg cell. Consequently, all the cells are in
Artworlds – and Scienceworlds?
What makes a painting, a sculpture, or an installation art? According to the philosophical theory called Institutional Theory of Art, it’s essentially artists themselves. Whether a piece can be called art is a sort of collective decision
Bacterial cross-talk with small molecules
Bacteria, the unicellular prokaryotic microorganisms are the first form of life to appear on earth that may be traced way back about 4 billion years ago. Bacteria exist in typically two life forms i.e planktonic or free-swimming
Left-handers, you are not smarter after all!
People often wonder who is smarter: right-handers or left-handers? In order to answer this question, we tried to find out whether left-handers are over-represented in groups of people who have very high IQ (and who are sometimes
Compact, all-optical, Terahertz wave generator
Terahertz (THz) wave is a kind of invisible light that has the frequency of about 1012 Hz. THz wave can path through different materials with small absorption or reflection, therefore this kind of wave can be used
A patent cranial end of the ligamentum venosum can result in hemorrhage when performing surgery in the extreme upper abdomen
Unexpected bleeding with major surgery In the surgical management of cancer in the mid-portion of the extreme upper aspect of the abdomen, a complete resection with all visible tumor removed is a necessary part of successful long-term
Effect of exercise duration and exercise withdrawal on memory consolidation trend
The beneficial effects of exercise on the physiologic systems, brain, and mental health are well-established. Also, the maintenance of a healthy central nervous system throughout life serves as an imperative public health goal. Evidently, exercise can help
Mental files and belief
Children pass one batch of “perspective tasks” around age 4 and another batch around age 6. Kids who pass one task in a batch usually pass them all. What changes when children pass batch 1 tasks, and
Brown bear habitat selection personality
You maybe think that only humans have personality? But don’t be a fool, animals can have personality too. If you are a pet owner or a farmer, you probably have already noticed. Differences in personality in wild
Design principle of CRY-acting compounds for regulation of the circadian clock
Almost every aspect of our life varies over time: we wake up in the morning, sleep at night, and become hungry at about the same time every day. This is called the circadian rhythm; an approximately 24-hour
Finding therapeutic way to eradicate tuberculosis of the brain
Tuberculosis is one of oldest infectious disease in the world. It is caused by a bacterium called Mycobacterium tuberculosis, where it infects primarily the lung. Millions of individuals are infected with Mycobacterium tuberculosis. Even though we are
Ultrasound in medical education
Ultrasound is a type of energy that can be used in medicine for both making diagnoses and treating patients. Like the sound of a voice, a person uses air passing across the vocal cords to produce noises
Escherichia coli K-12 as a model to understand gene regulation
Escherichia coli K-12, a bacterium of the normal flora of humans, represents one of the most important model organisms in biology. This microorganism has been completely sequenced at DNA level, and contains 4319 genes. An important element
Sweetness of recombinant human lysozyme
Here, we reported that lysozyme found in human milk elicits sweet taste as well as chicken lysozyme with 20-folds more sweetness than sucrose by weight. Lysozyme is an enzyme that degrades the bacterial cell wall and thereby
