Sentences with phrase «new cell structures»

A final note on the fate of amino acids - once absorbed, amino acids can be used directly by cells for the synthesis of new enzymes or new cell structures, for the building of structural proteins (such as actin and myosin in the muscles), for the synthesis of OTHER amino acids (via transamination), or used for energy.

Not exact matches

The heterogeneous progeny of the zygote interact in a coordinated manner to generate new cell types and to form organized multicellular structures.
New research on bacteria examines exactly how these primitive cells could have evolved without such crucial structures.
«The new Park Nanoscience Center at SUNY Polytechnic Institute provides researchers with greater access to Park Systems» cutting - edge AFM nanoscopic tools, featuring reliable and repeatable high - resolution imaging of nanoscale cell structures in any environment without damage to the sample.»
Learn about the cell and all its structures using this new 3D cell exploration app.
TOUGH STUFF A new wood - compacting process crushes the gaps between cell walls in natural wood (porous structure seen in the scanning electron microscopy image, left), making the densified wood (right) as strong as steel.
BRAIN CANDY A new database offers a deep look at living human nerve cells, revealing elaborate branching structures and myriad shapes, such as in this neuron called a pyramidal cell (cell image, left and 3 - D computer reconstruction, right).
He says the structure could also offer a new way of studying blood stem cells and how blood disorders arise.
In an article that appears in the online edition of Science, UMMS Professor Job Dekker, PhD, and colleagues show new evidence for a general principal of condensed, mitotic chromosome organization and structure that is highly adaptable and common to all cells.
In a new study published in the journal Development, the KU Leuven researchers show that individual or small groups of cells from uterus biopsies can be made to grow into three - dimensional structures that show many of the features of the womb lining, including the ability to produce mucus.
Such organs have been built before, but only with the help of pre-existing structures to hold the new cells in place — such as the collagen matrix left after a donor heart has been stripped of its cells or made with a 3D printer.
Perhaps most crucially, when cells divide, microtubules form the spindle structure that first aligns the chromosomes in the middle of the cell then pulls them apart, so that each new cell gets one chromosome from each pair.
Using the new methods of micromachining, which borrow technology for making computer chips to carve out and build up microscopic structures on silicon wafers, Peter Gammel and his colleagues at Bell Labs / Lucent Technologies reduced three of the critical devices of a cell phone to Lilliputian size that will allow all the components of a phone to be constructed on a single chip.
«We also need to establish the role of the host epidermal cells that the dermal papilla cells interact with, to make the new structures
Holographic, phase contrast or differential interference contrast (DIC) miscroscopes have been implemented especially for making «visible,» otherwise «invisible,» transparent objects, opening a new pathway towards the study and characterization of relevant structures such as biological cells or protein layers.
The increased surface area of the rippling «leaf» creates three times as many catalytic contact points as other molybdenum disulfide structures, and the new creation can handle higher temperatures than platinum without sintering and gumming up the cell.
«Major innovation in molecular imaging delivers spatial and spectral info simultaneously: Combines spectroscopy with super-resolution microscopy, enabling new ways to examine cell structures
They depleted their reserves of these chemicals rapidly each time a new auditory signal came in, and they decreased the amount of space within the cells that housed sac - like structures called vesicles — biological storage tanks where neurotransmitter chemicals are kept.
Even short - term blockages of this kind can lead to remarkable changes in the auditory system, altering the behavior and structure of nerve cells that relay information from the ear to the brain, according to a new University at Buffalo study.
A new study published in eLife and headed by Jordi Casanova and Sofía J. Araújo, both scientists at the Institute for Research in Biomedicine (IRB Barcelona) and the Instituto de Biología Molecular de Barcelona (IBMB - CSIC), describes a cell communication mechanism that allows the organisation of the extracellular matrix and how this structure affects cells through a feedback system.
A new study shows that these cells alter their behavior and structure when the animals» hearing is blocked.
An ear scaffold, left, provides the structure to grow human cells.A kidney stripped of cells, right, awaits an injection of human kidney cells, part of the process of engineering a new organ.
The new «tumor in a dish» method begins by taking the cancerous tissue removed during surgery or biopsy, cutting it up into small pieces and putting them in a special collagen gel that maintains them as «organoids» that retain the three - dimensional structure of the original tumor and include supporting cells from the tumor's environment.
«Investigators create complex kidney structures from human stem cells derived from adults: New technique offers model for studying disease, progress toward cell therapy.»
This research provides new insights into the structure of the stem cell niche in health and after injury.
Using a new technique they call «in - air microfluidics», University of Twente scientists succeed in printing 3D structures with living cells.
With new fluorescent tags that light up structures in the dense darkness inside a cell these new optical approaches produce detailed images of what was once invisible.
The new capability is particularly suitable for examining biological cells, bacteria and viruses, whose structure can be damaged by the electron beam.
The perforated spheres are biodegradable and together serve as a kind of structure for new cells to grow on.
The size of the brain's ventricles — cerebrospinal fluid - filled spaces deep within the brain — became progressively larger during the course of treatment, and changes were also seen within the subventricular zone, one of two structures in which new brain cells are generated in adults.
But, the computer only generates sequences for brand new protein recipes; the molecules then need to be folded into a three - dimensional structure to function, whether it's helping cells recognize chemicals, driving chemical reactions or the myriad other functions that proteins perform in the natural world.
A new method of imaging cells is allowing scientists to see tiny structures inside the «control centre» of the cell for the first time.
Scientists have developed new fluorescent probes that prove the existence of cell membrane structures called «lipid rafts», allowing researchers to study how toxins and viruses invade cells.
«This field is very new and there are likely many different mechanisms by which liquid organelles form in cells, so exploring fundamental questions like «what are the minimum requirements to make these structures come and go as they do in the cell» is very important.»
The new structures are expected to lead to a raft of insights into the inner workings of cells and possibly pave the way for new medicines.
«New printing technique uses cells and molecules to recreate biological structures
The new methods dramatically improve on the spatial resolution provided by structured illumination microscopy, one of the best imaging methods for seeing inside living cells.
The research group working at IBMC focused on the exact moment of cell division, when cells assemble a new microtubule network, which is then arranged as a very well - known structure: the mitotic spindle.
They went on to show that the cells — when moved to new conditions — could then be coaxed to develop into functional nephron - like structures both in the lab or when transplanted into animals.
When a cell divides into two new cells, a structure called the mitotic spindle forms.
The results, which appear in an upcoming issue of the Journal of the American Society of Nephrology (JASN), point to new avenues for research into the processes that direct cells to form functional kidney structures.
Biologists who study the mechanics of cell division have for years disagreed about how much force is at work when the cell's molecular engines are lining chromosomes up in the cell, preparing to winch copies to opposite poles across a bridge - like structure called the kinetochore to form two new cells.
An antioxidant that targets specific cell structures — mitochondria — may be able to reverse some of the negative effects of aging on arteries, reducing the risk of heart disease, according to a new study by the University of Colorado Boulder.
The researchers gathered single cells of warnowiids off the coasts of B.C. and Japan, sequenced their genomes, and analyzed how the eyes are built using new methods in electron microscopy that allow the reconstruction of three dimensional structures at the subcellular level.
Researchers are also creating more citizen science projects with high entertainment value, such as EyeWire, a new online brain - mapping game where players compete to build 3 - D neuron structures, and GeneGame, the successor to Cell Slider.
To help design new structures that enable cells to «shape up,» researchers at the National Institute of Standards and Technology (NIST) have come up with a way to measure, and more importantly, classify, the shapes cells tend to take in different environments.
So Stefan Wagner and his colleagues at AgResearch in Hamilton, New Zealand, identified the genetic code for the protein and then made a complimentary genetic structure that shut down BLG production when injected into a cell's nucleus.
Using their new approach, the researchers have now been able to determine the structures of active chromosomes inside the cell, and how they interact with each other to form an intact genome.
Research problems that are just out of reach today but that could be made accessible by advances in electron microscopy include studies of the little pores that form in our cells walls and which are centrally important in the regulation of all life processes as well as new nano - structured materials that are ultra-light yet strong, allowing reduced energy consumption in vehicles.
On the horizon, nanoscale structures may one day be marshaled to hunt cancer cells in the body or act as robot assembly lines for the design of new drugs.
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