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Home > News > Tags > cells
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A group of scientists from the Ecole Polytechnique Federale de Lausanne (EPFL), in Switzerland, announces that it's currently working on developing a very special type of printer, one that will be capable of printing artificial living tissues on command.
The new investigation could finally provide research tea... |
17 January 2012
04:33 GMT |
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Scientists have always known that cells in the human body can determine their own fates to some extent, in the sense that they can send self-destruct signals if need arises, for example. Now, experts find that cells are more in control of themselves than anyone dared to imagine.
The new investigation was primarily f... |
9 January 2012
07:48 GMT |
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A group of British researchers recently carried out a study in which they emulated the processes through which DNA material inside living cells is damaged. They learned that the thickness of the membrane separating the cells from their environment plays a critical role in the process.
The work was carried out with ... |
12 December 2011
08:46 GMT |
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Doctors could soon have access to an improved understanding of biological process, thanks to technologies being created to measure the mechanical properties of living cells. This branch of mechanics has been studied only marginally thus far, but that will soon change.
Biologists have largely ignored the role that c... |
22 November 2011
06:52 GMT |
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Cells communicate with their environments through chemical signals, which they release in specific patterns and concentrations. A new study shows that the mechanism works both ways, and that cells can adjust the volume of their chemical output accordingly.
Before this investigation, researchers were convinced that c... |
17 November 2011
06:52 GMT |
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Researchers at the University of California in Los Angles (UCLA) have recently determined how the HIV TAT cell-penetrating peptide is capable of breaching cellular defenses in order to deliver its cargo. The findings could be used to create highly-advanced, molecular drug delivery systems.
At this point, an import... |
4 October 2011
05:44 GMT |
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Decades ago, researchers discovered that ribonucleic acid (RNA) can act as a catalyst for certain chemical reactions in the cell. This led to a train of thought that ultimately showed the molecule to precede more-complex DNA by eons. Now, experts want to build a cell to prove this is true.
Howard Hughes Medical In... |
23 September 2011
16:31 GMT |
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Investigators at the Brown University say that carbon nanotubes (CNT) can interact with living cells in a negative manner, harming the latter. This research is part of a wider effort meant to gage the influence of nanotechnology on living organisms.
In addition to CNT, other long, nanoscale materials cause the sam... |
19 September 2011
03:36 GMT |
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Establishing the density of a cell is something that scientists have been trying to do for many years, but thus far all efforts have failed. Enter a new device from researchers in the United States, that is capable of finally assessing the density of single cells. The basic principle experts used was discovered more ... |
21 June 2011
08:57 GMT |
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Harvard University scientists announce the creation of a new type of laser, which is made out of living cells injected with a special protein. The cells can remain alive even as they produce the amplified light, the team reports. Generally, laser light is produced when a light source is bounced back and forth between... |
13 June 2011
05:15 GMT |
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Using an analysis technique that relies on fluorescent proteins to tag items of interest within a cell, experts were recently able to peer inside a living cell, and observe the actions of a single gene. This has never been done before in a living organism, and the tremendous achievement will open the way for a large ... |
22 April 2011
07:33 GMT |
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Whenever a cell replicates, DNA suffers about 10 double-strand breaks, which means that both its strands are snapped. These strands spiral against each other to create the famous, double-helix appearance that DNA has. Experts now find out how these accidents are repaired. The damage is caused by a multitude of factor... |
19 April 2011
09:39 GMT |
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In a development that could easily lead to the development of new treatments against common wounds, researchers managed to create a special type of polymer that can delivery cells within damaged tissues.The new material can be fashioned in the shape of a star, but researchers say that its main trait is that it's... |
18 April 2011
04:28 GMT |
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Whenever a cell's genetic material is damaged, a host of processes kick in, which eventually allow the cell to repair itself, and most importantly its DNA. Researchers have now discovered the intricacies of this process, as well as its most important components. The key piece in this complex puzzle is a molecul... |
31 March 2011
10:24 GMT |
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Researches with the University of Bristol, in the United Kingdom, recently concluded a new study, in which they took a hard, close look at a specific class of enzymes in the human body. These molecules play an important role in tidying up multiple types of cells. The discoveries the team made are of great importance ... |
29 March 2011
06:03 GMT |
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A research group at the Arizona State University (ASU) was recently awarded a $1 million grant for the development of a next-generation, 3D imaging microscope known as a Cell-CT scanner.The money, provided by the W. M. Keck Foundation, will be used to create a machine capable of performing functional computed tomogra... |
3 March 2011
10:06 GMT |
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Two investigators from the Durham University, in the United Kingdom, secured a Advanced Investigator Award each. This selection, made by the European Research Council (ERC), will ensure that the scientists receive up to £4million (€4.7million) in grant money for advanced studies. All this money will go tow... |
8 February 2011
06:37 GMT |
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Scientists at the Massachusetts Institute of Technology (MIT), in Cambridge, announce that they were recently able to gain more insight into the way cells respond to threatening situations, in which their very survival is at stake. A host of processes are triggered at that time, fulfilling multiple goals. Among these... |
17 December 2010
06:21 GMT |
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Almost all types of cells in the human body are covered in sugar molecules called glycans, but analyzing and understanding these molecules has proven to be extremely difficult and hard. A new study method, dubbed by its creators the “shotgun glycomics” approach, could now make this easier.One of the main ... |
6 December 2010
06:01 GMT |
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In a groundbreaking new study, researchers in the United States managed to discover a trigger mechanism that is involved in controlling the structural integrity of the new cell's nucleus. If the cellular core does not pass the “quality check,” the entire division process is delayed.The previously-unk... |
22 November 2010
10:31 GMT |
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Biologists have been trying to make sense of the way the membrane surrounding each and every one of our cells works for many years, but it was only now that they realized the physics underlying this behavior can be easily replicated.In fact, this is so easy to do that anyone could construct an artificial cell membran... |
4 November 2010
09:25 GMT |
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Conducting science has become a lot easier since investigators learned to use instruments to aid their senses, and the microscope was undoubtedly one of the greatest inventions ever. Now, experts are seeking to innovate it.The work is being conducted by a team of researchers at the University of Freiburg Department o... |
12 October 2010
09:39 GMT |
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Until recently, the concept of electrical circuit has been considered to be an artificial one, with no direct equivalent in nature. In a new study of a bacteria species, this was proven to be wrong. Colonies of the microorganism called Shewanella oneidensis display the same type of properties as electrical circu... |
12 October 2010
06:07 GMT |
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In a groundbreaking new study, scientists were able to observe the formation of microtubules inside living plant cells for the first time. The finding may have significant implications for agriculture. The formation of microtubules is a fundamental process of cellular biology, and one that has not been readily observ... |
11 October 2010
06:18 GMT |
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In a groundbreaking new study, researchers have finally been able to map the distribution of signals in the neural circuity that connects individual photoreceptor cells with retinal ganglion cells.The former type are the ones responsible for carrying electrical signals from the eye to the brain. The retina is the par... |
7 October 2010
02:37 GMT |
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An international collaboration of researchers has recently conducted a new study on how cells die, which may further studies being conducted in this important field of research considerably.Programmed cellular death is one of the most important processes in the human body, because it allows us to get rid of old, decr... |
27 September 2010
10:28 GMT |
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A research carried out by Dr. Klaus Hansen's group at BRIC, University of Copenhagen, shows that external factors can stress our cells by controlling our genes.Stress is one of society's major problems and sooner or later it affects everyone, and not only at a psychological level.Body cells can be affected ... |
25 September 2010
06:30 GMT |
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As most of you know, the only goal a pathogen has when invading the human body is ensuring its survival and multiplication; but now researchers suggest that some organisms are more cunning than others in doing so. A large portion of microorganisms that invade the body tend to enter cells immediately, where they begin... |
25 August 2010
06:46 GMT |
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New advancements in science finally allowed investigators to create small transistors that can easily collect chemical and electrical readings from inside living cells. The biological probes (bioprobes) are basically biocompatible nanometer-scaled transistors that are extremely sensitive to the various signals consta... |
13 August 2010
10:04 GMT |
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Organelles called mitochondria are oftentimes referred to as the “power plants of the cell.” They are responsible for converting nutrients into ATP (adenosine triphosphate), the basic energy currency in all complex organisms. The mitochondrial genome is therefore extremely important, as is its replication... |
10 August 2010
03:07 GMT |
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Though many scientists would rather not discuss such delicate subjects, mate selection and reproduction is a very important part of understanding the evolution of species. Due to the gags imposed by religious fanatics, many universities and research institutes would rather not discuss such issues, in hope of avoiding... |
9 August 2010
08:49 GMT |
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A team of Swiss researchers from the University of Zürich announces the discovery of a new gene that is apparently involved in the tooth formation (odontogenesis) process. In a new paper, the researchers explain how inactivating the gene called Jagged2 can result in the developed organism featuring teeth that ha... |
5 August 2010
06:51 GMT |
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The human heart is a mystery from many points of view. It produces a complex electrical field all on its own, and is the only muscle in the body that never takes a break from its chores. It comprises an intricate web of various types of cells, which all work together to keep the heart beating. Scientists have for man... |
30 July 2010
06:33 GMT |
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A group of investigators from the University of California in Los Angeles (UCLA) announced recently that it managed to discover the cell of origin for prostate cancer. The discovery has tremendously important implications, given that it may open the way to creating new and advanced drugs for fighting off this terribl... |
30 July 2010
04:16 GMT |
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Scientists in the United States announce the development of a new bioengineering technique, which allows them to create strings of living cells and nanoscale filaments. These structures can then be used to bridge gaps at a macroscopic scale, which means that they could possibly underlie a new generation of advanced t... |
14 June 2010
05:48 GMT |
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A team of investigators from the University of California in Los Angeles (UCLA) managed to obtain the first-ever 3D images of the entire structure of cells. The impressive achievement was made possible only through the use of an advanced observations instrument called an X-ray diffraction microscope. The new data cou... |
8 June 2010
04:52 GMT |
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For many years, scientists have been trying to find out the root cause of a series of fetal abnormalities. These syndromes, called Meckel-Gruber and Joubert, are quite common at times, and they have significant implications on an infant's life if he or she makes it beyond that point. These inherited conditions m... |
1 June 2010
03:01 GMT |
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Scientists working on developing new cures, or simply on making more sense of how cells in the human body work could soon benefit from the advantages of a new tool designed especially for this. A group of investigators from Canada and France announces the development of a new observations method that could make it ea... |
26 May 2010
05:48 GMT |
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A group of investigators recently managed to shed more light on the mechanisms underlying the operating principles of a special class of motor proteins in the human body. These types of molecules play a fundamental role in transporting various important chemicals between various locations inside a cell, but thus far ... |
24 May 2010
04:56 GMT |
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Dysfunctional cell behaviors are the reason behind a multitude of diseases, including cancer. In order for researchers to be able to devise advanced treatments against these conditions, they first need to understand the basis of how cells grow and move. The problem is that this line of research is notoriously difficu... |
17 May 2010
11:08 GMT |
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One of the main mechanisms through which cells turn cancerous from external sources is exposure to ionizing radiation. This has been clearly established in extensive and thorough studies. The radiations were found to produce extensive genetic damage, as well as mutations, which increase the chance of cancer appearing... |
14 May 2010
06:23 GMT |
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The University of Montreal's Institute for Research in Immunology and Cancer (IRIC), in Canada, is proud to announce that it will host the country's first ribonucleic acid (RNA) engineering laboratory. The facility will play an instrumental part in learning how to influence the behavior of RNA, small pieces... |
30 April 2010
08:19 GMT |
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A team of scientists has recently developed a new type of nanoscale probe that is capable of seamlessly passing through cellular walls. This ability is tremendously important, especially when considering that it could give investigators in fields such as medicine and biotechnology a new option in “listening&rdq... |
2 April 2010
02:24 GMT |
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In addition to the Berzelius beaker, probably the most famous component of any biology and chemistry lab is the Petri dish. This is the substrate on which microorganisms are grown and studied, and also the place where new drugs are tested on the pathogens. The dishes also serve as a spawning ground for cell cultures,... |
16 March 2010
04:44 GMT |
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Experts at the Northwestern University announce that they have finally managed to crack the mystery surrounding one of the most potent and little-researched line of stem cells. Called endothelial progenitor cells (EPC), these special structures can usually be found in the bloodstream, and they are in charge of produc... |
12 March 2010
18:01 GMT |
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Each and every one of the cells in our bodies, as well as in the bodies of higher life forms, contains proteins. These structures constantly change electrons, which means that they basically trade electrical impulses. How this was done remained a mystery until not so long ago, when investigators at the University of ... |
12 March 2010
10:44 GMT |
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Scientists at the Stanford University School of Medicine develop a new class of software algorithms that allow for regular laboratory instruments to exceed their own limitations. They essentially enable the machines to separate a blood sample into the various types of cells that make up the stuff, and then to identif... |
8 March 2010
06:58 GMT |
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Detecting single molecules inside the body, such as the ones that some types of cells use to communicate with each other, has been a long-standing goal in science for many years. Now, investigators at the Massachusetts Institute of Technology (MIT), in the United States, have managed to produce a new type of sensor a... |
8 March 2010
04:48 GMT |
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In the mid-1990s, police investigators and forensics experts added a new tool to their inventory of methods for analyzing biological samples. They began running mitochondrial DNA comparison tests, under the assumption that each type of cell in the same individual would have the same type of genetic material in these ... |
4 March 2010
02:46 GMT |
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Experts from the US Department of Energy's (DOE) Argonne National Laboratory (ANL) have recently managed to obtain a new type of particles, that could prove to be very efficient in destroying cancer cells. The team says that their nanoscale discs can literally shake cancer cells to death, potentially providing a... |
18 February 2010
11:10 GMT |
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