Tag: "defined" at biology news
Get ready for 2006 nuclear medicine coding and payment changes with SNM's reimbursement seminars
... major overhaul." For example, code A9515 had been defined
as "supply of radiopharmaceutical diagnostic imaging agent, technetium Tc 99 mm pentetate, per mci," said Merlino. The new code--A9539-- provides for "technetium TC-99m pentetate, diagnostic, per study dose, up to 25 millicuries," she added. CMS has...
Genes involved in biofilms
...rose during the development of a medium chemically defined
in order to study how environmental signals affect the process of formation of the biofilm. Unexpectedly, most of the clinical strains of Staphylococcus aureus were unable to form biofilm in the synthetic medium, which suggested to us that the proc...
Ranks of 'environmental refugees' swell, calls grow for better definition, recognition, support
... conventionally-recognized refugees, as originally defined
in 1951. We should prepare now, however, to defin...t environment-related 'refugees' must be carefully defined
and distinguished from economic migrants, who depart voluntarily to find a better life but may retur...
Jefferson biologist coaxing human embryonic stem cells to make dopamine with simpler, faster method
...hnique using only a few additives, "all chemically defined
and of human origin" to get embryonic stem cells t...issue culture dish that is simple, rapid, and uses defined
reagents, most of which are human products. We can make them into dopamine neurons in a dish, and th...
Scholar uncovers the story behind the 'obesity epidemic'
... standards of what is "overweight" and "obese" are defined
at very low levels George Bush is technically overweight while Arnold Schwarznegger is "obese." But it is also because most people confuse body weight with the real sources of health and well-being, such as diet and exercise. In most cases, the re...
Centocor & Schering-Plough next generation biologic promising in Phase 2 rheumatoid arthritis trial
...s release contains "forward-looking statements" as defined
in the Private Securities Litigation Reform Act of 1995. These statements are based on current expectations of future events. If underlying assumptions prove inaccurate or unknown risks or uncertainties materialize, actual results could vary material...
Active psoriatic arthritis patients on REMICADE achieve major clinical response in arthritis
...s receiving placebo. "Major clinical response" is defined
as maintenance of a 70 percent improvement in the ...major clinical response," a post hoc analysis, was defined
for REMICADE randomized patients as maintenance of a 70 percent improvement in ACR 70 for six contin...
Borlaug elevates agriculture as reason for National Medal of Science honor
...ld." For Borlaug, situations around the world have defined
his career. "There were 1.6 billion people in the world the year I was born. There are 6.4 billion now," notes Borlaug, who won the Noble Peace Prize in 1970 for his development of high-yielding wheat varieties that helped feed the world. "Hunger is ...
Bacteria which sense the Earth's magnetic field
...on oxide. The crystals also have to have a exactly defined
number, form, and size, in order to be effective magnetic field sensors. To function optimally, the magnetosome crystals have to be strung into a straight chain inside the cell, thereby summing their magnetic moments. Only such a chain structure allo...
Silenced gene in worm shows role in regeneration
...on or for maintaining tissue structure begin to be defined
at the time of division of its parent cell. "Once the smedwi-2 molecule is eliminated, the animal is destined to die since the functions of the daughter cells are severely compromised" said Snchez Alvarado. The study follows a landmark work that he...
...ation initiation factors (either ORC or CDC6) to a defined
GAL4 DNA-binding site on a plasmid, demonstrating that replication initiation factor recruitment is sufficient to specify a DNA replication origin. The researchers have extended the classic transcription factor reporter assay to work for any eukaryo...
Preventing bacterial biofilms could help fight TB
...ecember 2, 2005 issue of the journal Cell. "We've defined
one of the first genes and mechanisms through which mycobacteria form biofilms," said Hatfull. "Understanding biofilms is important because bacteria in biofilms are tolerant to most antibiotics, and this tolerance is a major problem in controlling TB...
Watch your step when the going gets rough
...e they need to accurately place their feet on well defined
targets. Getting it right may avoid your slipping or twisting an ankle. "This visual guidance mechanism could also help gymnasts on the beam, or acrobat walkers on a tightrope, as in these situations accurate foot placement becomes crucial," says Rey...
Data in New England Journal of Medicine show benefits of REMICADE in ulcerative colitis patients
...chieved the primary endpoint of clinical response, defined
as improvement in signs and symptoms. Moreover, more than half had mucosal healing and more than one-third were in clinical remission. Furthermore, in both ACT 1 and ACT 2, nearly one-quarter of REMICADE patients receiving corticosteroids at baseli...
New research examines genetics of successful aging
...tive longevity. "While successful aging has been defined
in many ways, we focused on individuals who had reached at least 90 without significant decline in mental capacity," said lead researcher George S. Zubenko, MD, PhD, Professor of Psychiatry and Biological Sciences at the University of Pittsburgh Scho...
Interim long-term follow-up data show AMG 531 increases platelets in patients with ITP
...the study (29 of 34) achieved a platelet response, defined
as doubling of the baseline platelet count and at ...f patients (n=16) had a durable platelet response, defined
as platelet response at six or more weeks between weeks 18 through 25. Of the eight patients on con...
Hearing loss from chemotherapy underestimated
...a and CTCAE grading scale were similar in how they defined
hearing loss progression, results from clinical trials often focus only on CTCAE grade 3 toxicity, which represents hearing loss requiring therapeutic intervention, and grade 4, which requires a cochlear implant and additional speech and language dev...
Most of Arctic's near-surface permafrost to thaw by 2100
...he Northern Hemisphere's land contains permafrost, defined
as soil that remains below 32 degrees F (0 degrees C) for at least two years. Permafrost is typically characterized by an active surface layer, extending anywhere from a few centimeters to several meters deep, which thaws during the summer and refree...
Wisconsin scientists grow two new stem cell lines in animal cell-free culture
...y of Wisconsin-Madison, have developed a precisely defined
stem cell culture system free of animal cells and ...ible for us to derive new cell lines in completely defined
conditions in medium that completely lacks animal products." Other groups, Thomson notes, have cultu...
Turn down that radio! Years of loud noise may lead to tumor
...e and, if so, for how many years. "Loud noise" was defined
as at least 80 decibels the sound of city traffic. If the subjects said that they had been regularly exposed to loud noise, they were then asked to describe the activities during which they were exposed to that noise. Categories for loud noise expos...
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