Biomolecules Current Events | Biomolecules News | 3
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On chip separation: large molecules pass the speed camera first
What molecule or particle passes the finishline first? A good way to split a fluid sample into its separate parts is: organize a contest in a micro-channel. The largest parts will pass the optical detector first, the smaller ones follow at short distance. This principle of 'hydrodynamic chromatography' is now also possible on a chip. 'On-chip'... view more... (2002-12-10)
Red dust in planet-forming disk may harbor precursors to life
Astronomers at the Carnegie Institution have found the first indications of highly complex organic molecules in the disk of red dust surrounding a distant star. view more (2008-01-04)
FSU researchers determine a critical factor in workings of proteins
Scientists know that a better understanding of how proteins bond could lead to more effective treatments for genetic disorders and other life-threatening conditions. view more (2007-02-15)
Nanoparticles create biocompatible capsules
An innovative strategy of mixing lipids and nanoparticles to produce new drug and agricultural materials and delivery vehicles has been developed by researchers at the University of Illinois at Urbana-Champaign. view more (2006-03-07)
THE BIOCHEMIST - June 2002 Issue; Theme: A morbid fascination - Deadly serious
Introduction - The answer to a shortage of organs? It is a transplant surgeon's dream to find an endless supply of organs and tissues that match their recipient. The prospect of transplanting animal organs into humans (xenotransplantation) is increasingly promising, but there are still obstacles to be overcome. Not least are the weighty ethical... view more... (2002-06-06)
Gold in the realm of dwarves
"Man has been fascinated by gold since ancient times," says a bland introduction to related scientific studies. The fact that there is still room for surprises was shown by a recent publication: Nanoparticles of the precious metal behave differently from those of its close relatives. view more (2004-10-25)
First high-resolution images of bone, tooth and shell formation
Researchers at Eindhoven University of Technology (TU/e) have for the first time made high-resolution images of the earliest stages of bone formation. They used the world's most advanced electron microscope to make three-dimensional images of the nano-particles that are at the heart of the process. view more (2009-03-13)
Can Biosensors Find Life On Mars?
Is there life on Mars? Thanks to a £60k grant from the Engineering and Physical Sciences Research Council (EPSRC), a team from Cranfield University and the University of Leicester will try and find the answer. The team, led by Dr David Cullen from Cranfield's Biotechnology Centre and Dr Mark Sims at the Space Research Centre at the... view more... (2001-11-27)
GEN reports on strategies to overcome blood-brain barrier
The blood-brain barrier (BBB) remains a major obstacle to the successful delivery of drugs to treat central nervous system (CNS) disorders, reports Genetic Engineering and Biotechnology News (GEN). view more (2009-02-06)
Gene-bender proteins may sway to DNA
Among the many genes packed into each cell of our body, those that get turned on, or expressed, are the ones that make us who we are. Certain proteins do the job of regulating gene expression by clasping onto key spots of DNA - the nucleic acid that contains the genetic instructions. view more (2006-12-05)
The retention of transition metals
Transition metals are essential for life but, depending on their concentration in the environment, they can prove to be toxic and provoke serious environmental impact. The aim of this PhD is to study the retention of transition metals by humic substances. Humic substances are, on the other hand, macromolecules arising from the physical, chemical... view more... (2003-10-20)
UAB scientists discover the origin of a mysterious force
Scientists at the Universitat Autònoma de Barcelona and Imperial College London have discovered the origin of hydration force, a phenomenon that causes some complex chemical and biochemical species (including DNA and other electrostatically charged molecules) to repel at short distances when surrounded by water. Through this research,... view more... (2005-02-28)
Purdue scientists see biochemistry's future - with quantum physics
Chemists who have trouble predicting how some large, complex biological molecules will react with others may soon have a solution from the world of computational quantum physics. view more (2005-09-16)
Method devised for diagnosis of ocular diseases
Technological Centre's Area of Biotechnology, together with the Opthtalmological Surgery Clinical Institute of Bilbao (ICQO) are co-operating in a research project the aim of which is to develop a diagnostic system, based on immunochromatographic techniques, for the specific recognition of proteic markers for ocular pathologies in eye teardrop... view more... (2007-01-18)
NIST demos industrial-grade nanowire device fabrication
In the growing catalog of nanoscale technologies, nanowires-tiny rows of conductor or semiconductor atoms-have attracted a great deal of interest for their potential to build unique atomic-scale electronics. view more (2007-10-29)
New technique boosts protein NMR imaging speeds
Solid-state nuclear magnetic resonance, or SSNMR, is a valuable tool to image and analyze the chemical makeup of proteins and other biomolecules. But the imaging process is time-consuming and requires large amounts of costly isotope-labeled sample for study. view more (2009-02-10)
A protein interaction map for a better insight in cancer development
With the completion of the genome sequence of a number of organisms, analysis of the gene products, the proteins, is the on-going challenge. view more (2005-02-28)
Water is 'designer fluid' that helps proteins change shape, scientists say
Ubiquitous on Earth, water also has been found in comets, on Mars and in molecular clouds in interstellar space. Now, scientists say this common fluid is not as well understood as we thought. view more (2008-08-07)
Researchers uncover new mechanism of tumor suppressor
Researchers from the University of Colorado-Denver and Health Sciences Center and Stanford University have discovered a molecular mechanism that explains how cells respond to DNA damage and other acute stresses, and if disrupted can cause cancer. view more (2006-05-22)
A first experiment with the new "free-electron laser"
An international group of scientists has published first experiments carried out using the new soft X-ray free-electron laser (FEL) at the research center DESY (Nature, vol 420, p 482-485 and p 467). Using small clusters of noble gas atoms, for the first time, researchers studied the interaction of matter with intense X-ray radiation from an FEL... view more... (2002-12-05)
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