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.