obtain 2 6

Tag: "obtain" at biology news

Scientists narrow the time limits for the human and chimpanzee split

...se it was based on a minimum calibration time. To obtain a maximum limit on the human-chimp divergence, the team used as a calibration point the maximum estimate, based on fossil studies, of the divergence of Old-World monkeys and the branch leading to humans -- 35 million years ago. Calculations using th...

Double trouble: Cells with duplicate genomes can trigger tumors

...lity was a cause of malignant tumors. One way to obtain this lack of chromosomal integrity, Boveri proposed, was a result of cells failing to divide normally, generating the double-value or tetraploid cells. Normally, human cells carry a "diploid" set of chromosomes ? that is, 22 pairs plus an "X" and "Y"...

Cyberkinetics, Case to develop system to help restore extremity function

...etics is the first and, to date, the only group to obtain FDA-approval for a pilot trial in humans using an implantable multichannel, intracortical microelectrode array. The ongoing pilot study aims to test the ability of an individual with high cervical SCI to control computers and other external devices w...

Sickle cell disease corrected in human models using stem cell-based gene therapy

...e function and delete another in the same cell and obtain synergistic genetic modifications within a single cell," said Selda Samakoglu, PhD, a member of Dr. Sadelain's laboratory and the study's first author. "In this case, we used the technique to correct sickle cell disease, but it should be broadly appl...

HIV mortality in India drops with introduction of generic antiretroviral therapy

...nfected people living in India have been unable to obtain treatment due to the high cost. With the introduction of generic ART into India in 2000, the price of HIV drugs fell from $778 per month to $100 per month, and eventually declined even further to just $33 per month in 2003. The drastically lower co...

Displaced songbirds navigate in the high Arctic

...n the magnetic North Pole and geographic north--to obtain longitudinal information. Geographic north can be determined by star positions late in the summer, as night returns to the high Arctic. ...

Asian immigrants in NYC not receiving HIV education at religious institutions

...ely heavily on immigrant community institutions to obtain social, economic and other supports. In the case of HIV, this role is especially important because of the social stigma surrounding HIV and the potentially dire health consequences of not understanding how to prevent transmission of the virus." ...

U-M scientists discover identifying markers for primitive blood-forming stem cells

... are complex and it takes a high level of skill to obtain a pure sample of HSCs," Kiel says. "We showed that using just two SLAM markers gives you similar or better purity than 10 to 12 of the best classical markers combined. It reduces the skill and time required to pick out a hematopoietic stem cell and m...

New technology shows our ancestors ate…everything!

...m of many researchers interested in our lineage to obtain this kind of information," continued Teaford. "And the computer software is phenomenal, the heart and soul of this project. We now have a reliable technology to quickly and accurately measure such surfaces." Teaford said future applications of the co...

Neurotransmitters signal aggressive cancer, offer potential for early diagnosis

...neChips, miniaturized arrays of gene sequences, to obtain information about how active each gene in tumors is. They combined the mouse data with parallel data from 182 human tumors. Then, the gene-activity data was fed into sophisticated software that supplied the researchers with a prediction about which ...

Scavenger cells could be key to treating HIV-related dementia

...ment. "We've done similar studies in monkeys." To obtain their findings, the researchers studied different regions of the brain of a person who died with HIV-associated dementia using specimens from the AIDS and Cancer Specimen Resource at UCSF. They also used a new computer-based research tool to study th...

Israeli scientists successfully transplant frozen-thawed ovaries in sheep

...cies, to remove, freeze, thaw and replace ovaries, obtain oocytes and maintain normal ovarian long-term function. This holds out hope that this approach could become a feasible treatment for women facing premature ovarian failure, and furthermore, that the advances they have demonstrated from new freezing t...

Researchers find how some antibiotics kill bacteria

...new study used recent advances in X-ray imagery to obtain the highest resolution figures ever available of how rifamycins bind to their targets. With these new images, the researchers found ?for the first time - that these drugs remove a key component of the bacteria they attack. The researchers were also s...

Ancient DNA confirms single origin of Malagasy primates

...NA survival likely contributed to the inability to obtain DNA from some species. The only samples to yield DNA from tropical localities were the two individuals that were used as positive controls, Yoder said. "The results of our study contribute to the mountain evidence that suggests that prospects for an...

Researchers propose measures to curb lion attacks in Tanzania

...o has major limitations because it is difficult to obtain enough cells to transplant as well as getting the right tissue type for the patient," Dr McGuckin said. "Using cord blood gets over that obstacle because we can produce more stem cells and, with a global birth rate of 100 million babies a year, there...

Insight into the processes of 'positive' and 'negative' learners

...o has major limitations because it is difficult to obtain enough cells to transplant as well as getting the right tissue type for the patient," Dr McGuckin said. "Using cord blood gets over that obstacle because we can produce more stem cells and, with a global birth rate of 100 million babies a year, there...

Researchers make 'embryonic-like' stem cells from umbilical cord blood

...o has major limitations because it is difficult to obtain enough cells to transplant as well as getting the right tissue type for the patient," Dr McGuckin said. "Using cord blood gets over that obstacle because we can produce more stem cells and, with a global birth rate of 100 million babies a year, there...

Envisat and ERS-2 reveal hidden side of Hurricane Rita

...oach. "It is critical for weather forecasters to obtain reliable characterization of the eye wall dimension and the radii of gale- tropical storm- and hurricane-force winds in order to provide skilful forecasts and warning. Satellite based observations will facilitate better understanding of hurricane evo...

Plant pathologists evaluate eco-friendly alternatives to methyl bromide

...nal Methyl Bromide Technical Options Committee can obtain the material. Because methyl bromide is considered essential for the production of pepper, strawberry, tomato, and floriculture crops in Florida, scientists in many disciplines have been researching chemical and non-chemical methyl bromide replaceme...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

... are using the income from selling excess catch to obtain medical attention, including HIV and AIDS care and medicines," he says. Says Prof. Richard Mkandawire, senior NEPAD Agriculture Advisor: "For a relatively small investment, the international community has an opportunity to bring about significant im...

1 2 3 4 5 6 7 8 9