Sentences with phrase «in a test tube for»

Living cells have been doing this for billions of years, and researchers have done it in test tubes for decades.
«Mini-intestine grown in a test tube for nutritional research: Organoids just a quarter of a millimeter across exhibit functions of the human intestine.»

Not exact matches

Specs for the test track's tube were released in October, and in November, 318 teams from 162 universities and 16 countries submitted their final pod designs.
There were no test tubes or Bunsen burners, but a courtroom turned into a science classroom Wednesday for a U.S. judge considering lawsuits that accuse big oil companies of lying about the role of fossil fuels in the Earth's warming environment.
She had apparently got to the point where she honestly did not know that a child is the natural fruit of a union between a man and a woman: in her understanding «sex» is something done for pleasure, according to one's desires, whether lesbian or homosexual or whatever, and procreation an entirely different matter connected with options presented at various times, possibly involving in - vitro fertilization and test - tubes.
For example, would you take a pill (or support legislation to put it in our water supply) that does away with sexual desire and then have all reproduction occur by «test tubes» or cloning?
Stacking Glasses, $ 12 each These stackable glasses (stacked in the photo above)-- made of the same hardy glass used to create test - tube beakers — are a good fit for a bar cart.
If testing is done, a 24 - hour pH probe study -LRB--RRB- is the current «gold standard» for reflux testing in babies; this is a procedure where a tube is placed down baby's throat to measure the acid level at the bottom of the esophagus.
The product is pediatrician tested & approved, hypoallergenic, packaged in a BPA - and phthalate - free plastic tube, safe for babies and kids, is not tested on animals and is eco-friendly.
Hughes ran into conflict with the university and his former sponsor, the National Institutes of Health (NIH), over his efforts to diagnose genetic diseases — such as Tay - Sachs disease and cystic fibrosis — in test - tube embryos scheduled for implantation (Science, 24 January, p. 472).
If these test - tube results are confirmed in infected animals and people, the viral proteins could be targets for anti-Ebola vaccines as well as for drugs that treat Ebola infections.
The researchers used a number of methods, including fluorescence and electron microscopy, in collaboration with Dr. Eugenia Klein of the Institute's Microscopy Unit; a unique system in Prof. Alon's lab for simulating blood vessels in a test tube; and in vivo imaging with Prof. Sussan Nourshargh of Queen Mary University of London.
Indeed, according to a 2009 study published in Human Reproduction, the number of ART procedures is on the rise and so - called test - tube babies account for an estimated 250,000 births every year worldwide.
Shea notes that although he and his colleagues have yet to finalize their measurements on how well their nanoparticles bind to various PLA2 molecules, their test - tube results suggest that they could have a similar high affinity for PLA2s as their previous nanoparticles had for melittin, the bee venom protein that stopped the toxin in animal studies.
Now, a research group at the University of Tokyo (Professor Takuya Ueda, Professor Yukihide Tomari, Researcher Chunyan Yao and Research Associate Hiroshi M Sasaki,) and at Kyoto University (Researcher Hisashi Tadakuma), has developed a single - molecule imaging assay for observing target RNA cleavage by RISC in a test tube in real time for the first time, showing how RISC accurately cleaves and releases targets.
«My appreciation for studying traits not only in the test tube, but in the level of organisms, comes from the experiments I did during my undergraduate years.»
But for years researchers have tried to put evolution on fast - forward in the test tube.
Mead believes ALS is ripe for AI and machine - learning because of the rapid expansion in genetic information about the condition and the fact there are good test - tube and animal models to evaluate drug candidates.
Then the scientists take turns dropping otherrock pieces into jars and test tubes headed for various labs in theUnited States and Europe.
For this particular research problem they developed a so - called y - maze experiment, a proboscis choice test in which a y - shaped tube system is used as an extension of the flower's corolla.
«Dump antibiotics in a test tube and you quickly select for any bacteria that has some resistance.
In tests at SLAC's Facility for Advanced Accelerator Experimental Tests (FACET), a DOE Office of Science User Facility, beams of positrons stayed tightly bundled as they traveled through the plasma tests at SLAC's Facility for Advanced Accelerator Experimental Tests (FACET), a DOE Office of Science User Facility, beams of positrons stayed tightly bundled as they traveled through the plasma Tests (FACET), a DOE Office of Science User Facility, beams of positrons stayed tightly bundled as they traveled through the plasma tube.
The research was carried out by experts in synthetic and theoretical chemistry, materials and electron microscopy and builds on Professor Khlobystov's concept of carbon nano test tubes (World's tiniest test tubes, Guinness Book of World Records 2005), where the nanotube acts as a container for molecules.
Applying a new method that is used mainly in stem - cell research and regenerative medicine, researchers from the Technical University of Munich have now devised a robust intestinal model for molecular research into incretin release in a test tube (in vitro).
In test tubes, for example, zinc triggers beta - amyloid molecules to form insoluble masses.
The invasion of commerce in biomedical research has meant that lawyers may haggle for months about conditions before a single test tube is shipped.
For instance, pharmacologist Andrew Holt and his team at the University of Alberta in Canada recently discovered that chemicals released from disposable plastic test tubes interfered with a Parkinson's drug they were testing by binding to the gamma - aminobutyric acid proteins in the experiment.
«The approach is really a breakthrough for science because most research is done in a test tube where billions of molecules are present, all behaving independently.
In a 1991 study, for example, University of Zurich ethologists Hans Kummer and Marina Cords tested macaques that had something other macaques wanted — a see - through tube filled with raisins.
After 24 rounds of this test tube evolution, in which the scientists successively upped the requirements for what a RNAP ribozyme had to do to be successful, they wound up with one called 24 - 3 polymerase.
Millions of new chemical compounds have been tested for their ability to disrupt the growth of M. tuberculosis in the test tube, but discouragingly few are currently in clinical trials.
For one, Brca1 might behave differently when floating free in a test tube than in the cell, where it's only been observed bound to other proteins.
So far, however, «molecular computations» have required lots of old - fashioned, shake - the - test - tube lab work for each step in the calculation.
Using a strain of malaria that primarily infects rodents, Derbyshire and Jon Clardy of Harvard Medical School tested 1,358 compounds for their ability to keep parasites in the liver in check, both in test tubes and in mice.
CRC2631 is derived from a Salmonella sample that was stored in a test tube at room temperature for more than 50 years.
Convincing evidence for the role of NGF in the formation of neural circuits in the sympathetic nervous system has come from both animal and test - tube experiments.
Cross-sectional infection model for skin infections: Histological section through a skin model grown in a test tube, which has been infected with Candida albicans — one of the commonest human fungal pathogens.
In their study Loeken and her group, including Yichao Wu, Marta Viana, and Shoba Thirumangalathu, used mice and cell lines to test their hypothesis that AMPK might be stimulated in the embryo and that stimulation of AMPK was responsible for blocking Pax3 expression and causing neural tube defects in response to high glucosIn their study Loeken and her group, including Yichao Wu, Marta Viana, and Shoba Thirumangalathu, used mice and cell lines to test their hypothesis that AMPK might be stimulated in the embryo and that stimulation of AMPK was responsible for blocking Pax3 expression and causing neural tube defects in response to high glucosin the embryo and that stimulation of AMPK was responsible for blocking Pax3 expression and causing neural tube defects in response to high glucosin response to high glucose.
Last year, Marson and Schumann successfully used CRISPR to perform precise DNA sequence replacements in primary human T cells for the first time by prefabricating the CRISPR machinery in test tubes, then adding it to the freshly donated immune cells.
In research published in this week's issue of the journal Science, a team from Whitehead Institute for Biomedical Research used common baker's yeast as a living test tube to show how just a small amount of a Parkinson's - related neuronal protein called alpha - synuclein (aSyn) can convince neighboring proteins to abandon their normal shape and form these deadly clusterIn research published in this week's issue of the journal Science, a team from Whitehead Institute for Biomedical Research used common baker's yeast as a living test tube to show how just a small amount of a Parkinson's - related neuronal protein called alpha - synuclein (aSyn) can convince neighboring proteins to abandon their normal shape and form these deadly clusterin this week's issue of the journal Science, a team from Whitehead Institute for Biomedical Research used common baker's yeast as a living test tube to show how just a small amount of a Parkinson's - related neuronal protein called alpha - synuclein (aSyn) can convince neighboring proteins to abandon their normal shape and form these deadly clusters.
Biochemical reactions that are responsible for the metabolism of living organisms do not proceed in a test tube: most of them take place in a confined space of a cell, on or even within a biological membrane.
The more scientists learn about how cells work in a Petri dish or test tube, the more realistically they can set rules for virtual tissues.
The water in five of the ten giant test tubes was enriched with carbon dioxide until it reached a level of acidity projected for the year 2100.
It uses a common DNA - copying procedure, called PCR, to screen for antibodies in tiny test - tubes containing small amounts of blood or saliva.
Curis, a firm in Cambridge, Massachusetts, has accepted a three - year, $ 5.4 million grant from the SMA Foundation to use its unique technology for growing motor neurons in test tubes to identify potential SMA drugs.
This process typically includes assay development, high throughput screening, identification of «hits» that have activity in a test tube (or assay), characterization of hits and selection of leads for further optimization.
The «giant test tubes», each enclosing 40,000 litres of seawater, were then enriched in carbon dioxide to levels covering the range from present day values to those projected for the year 2150.
My go - to herbalist, author and American Herbalist Guild member David Winston of Broadway, New Jersey, says in his book, Herbal Therapy and Supplements: A Scientific and Traditional Approach, that animal and test - tube studies are convincing enough to recommend eating maitake regularly as part of a treatment plan for high cholesterol, high blood pressure, insulin resistance, and even hepatitis B. (Placebo - controlled studies in people have yet to be conducted.)
If blood tests aren't clear, a specialist may want to do a biopsy of the small intestine or an endoscopy, a procedure where a small tube containing a camera is inserted down your throat to look for changes in the small intestine that would suggest celiac disease.
For example, adding citric acid to phytonutrients in test tube experiments will greatly increased the number of lactobacilli.
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