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synthesis in Biological News

Facile synthesis of nanoparticles with multiple functions advanced in Singapore

Nanostructured materials have garnered great interest worldwide due to their unique size-dependent properties for chemical, electronic, structural, medical and consumer applications. Singapore's Institute for Bioengineering and Nanotechnology (IBN) has discovered a new environmentally friendly...

Research synthesis shines light on several management options after fires in diverse ecosystems

Portland, Ore. March 19, 2009. No single decision-support system exists for selecting alternatives for postfire management. That thesis is what a recently released report on management after fire hinges upon. The publication, Effects of Timber Harvest Following Wildfire in Western North America, ...

Advance in understanding cellulose synthesis

Palo Alto, CACellulose is a fibrous molecule that makes up plant cell walls, gives plants shape and form and is a target of renewable, plant-based biofuels research. But how it forms, and thus how it can be modified to design energy-rich crops, is not well understood. Now a study led by researcher...

Chewing up a key regulator of fat synthesis keeps mice lean despite a high-fat diet

Scientists at the Salk Institute for Biological Studies have identified a novel pathway that regulates the body's ability to store or burn fat, a discovery that suggests new ways to reduce obesity, diabetes and other fat-related human diseases. Genetically engineered mice, in which the pathway w...

Scientists devise way to measure RNA synthesis on the fly in a live cell

A team of scientists at the University of Chicago has developed a non-invasive laboratory technique that allows them to instantly map when genes are switching off and on in a living bacterium as it becomes exposed to antibiotics and other changes in its environment. The technique, which is annou...

Protein synthesis can be controlled by light, opening way for new scientific, medical applications

Proteins are the puzzle-pieces of life, involved in how organisms grow and flourish, but studying their complex biological processes in living systems has been extremely difficult. Now, a team of chemists and neurobiologists led by Timothy Dore at the University of Georgia and Erin M. Schuman at th...

Chemical Engineer Kao Explores Antibiotic Synthesis With DNA Chips

Ask Assistant Professor of Chemical Engineering Camilla Kao to describe a bacterium, and she'll compare it to a factory capable of producing antibiotics, immunosuppressants and anti-cancer drugs that no chemist can synthesize. Bacteria normally produce antibiotics to inhibit other bacterial strains...

Multi-purpose protein regulates new protein synthesis and immune cell development

A signaling protein called IRE1, which helps stressed-out cells make new proteins, may be more versatile and important than scientists believed. A new study by researchers from the University of Michigan Medical School and the Howard Hughes Medical Institute reveals the surprising finding that this...

Breakthrough method in nanoparticle synthesis paves the way for new pharmaceutical and biomedical applications

The Institute of Bioengineering and Nanotechnology (IBN) has developed a novel method to simultaneously control the size and morphology of nanoparticles, which can be used in pharmaceutical synthesis and novel biomedical applications. This groundbreaking research was recently featured in the lea...

Marine microbes creating green waves in industry

...re now identifying microbes with a type of enzyme called an amine oxidase. This could be key to cheaper, more efficient and sustainable process in the synthesis of valuable chemicals by both the pharmaceutical and agrochemical industries." Commenting on the findings, BBSRC Chief Executive Professor Doug Kel...

Navigating in the ocean of molecules

...are potential active agents. Identifying these islands of biological activity in the ocean of all potential compounds is not an easy task. "Organic synthesis cannot gauge the chemical space in its entirety," explains Stefan Wetzel, a researcher from Herbert Waldmann's group at the Max Planck Institute of Mo...

New hope for fisheries

...e world's most talented fisheries scientists and ecologists for a two-year series of working groups at the National Center for Ecological Analysis and synthesis (NCEAS) in Santa Barbara, California. The current paper is the result of those meetings. "Prior to this study, evaluations of the status of world ...

Parasites ready to jump

...grown. As Frstemann stresses, "It is therefore particularly important to discriminate between the various molecular classes in terms of their modes of synthesis and specific functions". This is no easy task, since all these molecules are similar in size and virtually indistinguishable chemically. "We will now ...

Freshwater fish at the top of the food chain evolve more slowly

...h fats and proteins needed for growth, explain the researchers. "Fish make great fish food," says co-author Brian O'Meara of the National Evolutionary synthesis Center. "But they're hard to catch," says O'Meara. Biologists have long known that certain head and body shapes make some centrarchids better at c...

Stress signals link pre-existing sickness with susceptibility to bacterial infection

...etabolism-associated proteins. Another similarity between humans and Dictyostelium is that both use AMPK as an internal sensor to coordinate energy synthesis with energy needs. However, unlike humans, researchers can infect Dictyostelium with germs like Legionella in a controlled environment and determ...

In vitro antibody production enables HIV infection detection in window period -- key to safer blood

... Experimental Biology and Medicine , show that pre-treating the whole blood sample in the SMARTube containing immune potentiating agents promoted the synthesis and release of antibodies against HIV-1 prior to their detection in corresponding plasma samples in a group of donors who would otherwise be classifie...

High construction cost for cycads

...very of these costs coupled with an excess in food synthesis to support plant growth. "These phenomena are u...uction investments by delaying the decline in food synthesis capacity that accompanies the leaf aging process. ...ntly replace their leaves. For these species, food synthesis may be reduced to negligible levels in less than o...

The value of variation: Ecologists consider the causes and consequences

...s and consequences of such ecological variation is the goal of a group of scientists meeting at the National Institute for Mathematical and Biological synthesis (NIMBioS) at the University of Tennessee, Knoxville, July 27-29. Population and Community Ecology Consequences of Intraspecific Niche Variation is ...

Munich researchers discover new target for tailored antibiotics

...e of attack for custom-tailored antibiotics. Research into the bacterial synthesis of isoprene building blocks was initiated as early as 12 years ago by Profe...ack for developing substances that block the terminal step in the bacterial synthesis of isoprene building blocks, thereby killing pathogens in a very targeted w...

Researchers gain insight into mechanism underlying Huntington's

...e and myotonic dystrophy, respectively tend to form hairpin structures via strand slippage in the newly synthesized or "nicked" DNA strand during DNA synthesis associated with DNA replication and/or repair. These hairpin structures are highly thermo-stable and do not "melt" under normal physiologic conditions...

New study ranks 'hotspots' of human impact on coastal areas

...d other types of pollution, and from the sea," said Benjamin S. Halpern, first author, who is based at the National Center for Ecological Analysis and synthesis (NCEAS) at UCSB. "One of the great challenges is to decide where and how much to allocate limited resources to tackling these problems," he said. "...

New way to make sensors that detect toxic chemicals

...cles are made. Beach and Morris have devised a new synthesis method that yields very small particles -- which g...rs (billionths of a meter). Beach described the synthesis method in very simple terms. "Basically, you mix e...at point, the material is ready to use. Most other synthesis methods require another additional step -- a high-...

NTU professor discovers method to efficiently produce less toxic drugs using organic molecules

...using small organic molecules as catalysts, in the synthesis process called organocatalysis. Such synthesis process takes place for example, during the produc...ns achieved with the recycled catalyst) during the synthesis process thus increasing its yield/effectiveness. P...

New national genome center launched

...n beneficial compounds that have been associated with reduced incidence of some cancers. Better understanding of the genetic mechanisms underlying the synthesis of these compounds could allow the breeding of, for example, tomatoes with higher amounts of antioxidants. The sequencing of these and other ge...

Rampant helper syndrome

...420 as a signature molecule for methanogenic species has therefore radically changed: this cofactor is widespread and it is essential for both methane synthesis and for DNA repair." ...

Ferns took to the trees and thrived

...0 living fern species. But this isn't the only plant group that includes epiphytes. This fall, as a post-doctoral fellow at the National Evolutionary synthesis Center (NESCent), Schuettpelz will begin to look for parallel patterns of diversification in epiphytic flowering plants like bromeliads and orchids. ...

University of Leicester researchers discover new fluorescent silicon nanoparticles

... Researchers in the Department of Physics and Astronomy at the University of Leicester have developed a new synthesis method, which has led them to the discovery of fluorescent silicon nanoparticles and may ultimately help track the uptake of drugs by the body's cells...

Ecological Society of America announces 2009 award recipients

... link human and ecological systems and advance sustainability science. In a synthesis paper and five original research papers, the special feature explores centr...tion, ecological regime shifts and the loss of ecosystem services. Turner's synthesis lays out the advances and challenges in the field of land change science. ...

Trans fats hinder multiple steps in blood flow regulation pathways

...d to partially hydrogenated fats, in 2007 Kummerow's team reported that extra linoleic acid did not overcome the problem. "Trans fats inhibited the synthesis of arachidonic acid from linoleic acid, even when there was plenty of linoleic acid available," he said. The new study reports that in addition to ...

New piece found in the puzzle of epigenetics

...s domain consists of 52 repeats of a sequence of seven amino acids. For RNA synthesis the determining factor is whether and how specific amino acids of this region are modified biochemically. Thus, it is absolutely essential for the synthesis of snRNA that the amino acid serine at position 7 of this repeat sequence i...

Powe Award supports research on how enzymes enable the pathogenicity of 2 human disease organisms

...ron-siderophore complex is then taken by the microbes, increasing the concentration of iron to satisfy their metabolic needs and enable infection. The synthesis of siderophores in M. tuberculosis and A. fumigatus requires special enzymes (hydroxylase) that are dependent on the cofactor flavin adenine dinucleot...

Plant microbe shares features with drug-resistant pathogen

... exposure to opportunistic pathogens for hospital patients. Implications "Soil microorganisms have long been a source and inspiration for the synthesis of antibiotics," van der Lelie said. "These finding will help us to better understand the potential of bacteria to produce or become resistant to anti...

Scientists tackle the mystery of white-nose syndrome in bats

..., ecotoxicology, disease and environmental modeling, among others, will gather at a workshop at the National Institute for Mathematical and Biological synthesis (NIMBioS), June 29-July 1, at the University of Tennessee, Knoxville, to explore the disease and to develop solutions to manage it. Representatives fr...

Scientists examine perceptions of risk and the spread of disease

...eously changes human behavior, will be among the topics discussed by scientists at a meeting at the National Institute for Biological and Mathematical synthesis (NIMBioS) at the University of Tennessee, Knoxville, June 7-9. Ecologists, epidemiologists, economists, and mathematicians will comprise a NIMBioS ...

Biologists devise unifying framework to explain evolutionary puzzles

...of a group of leading theoretical biologists, ecologists, and mathematicians who will gather at the National Institute for Mathematical and Biological synthesis (NIMBioS) at the University of Tennessee, Knoxville, June 10-12, to develop a new unified framework for evolutionary biology one that accounts for ph...

Biologists consider unifying framework to explain evolutionary puzzles

...of a group of leading theoretical biologists, ecologists, and mathematicians who will gather at the National Institute for Mathematical and Biological synthesis (NIMBioS) at the University of Tennessee, Knoxville, June 10-12, to develop a new unified framework for evolutionary biology one that accounts for ph...

Scientists unravel the mystery of white-nose syndrome

..., ecotoxicology, disease and environmental modeling, among others, will gather at a workshop at the National Institute for Mathematical and Biological synthesis (NIMBioS), June 29-July 1, at the University of Tennessee, Knoxville, to explore the disease and to develop solutions to manage it. Representatives fr...

Scientists examine human behavior and the threat of disease

...eously changes human behavior, will be among the topics discussed by scientists at a meeting at the National Institute for Biological and Mathematical synthesis (NIMBioS) at the University of Tennessee, Knoxville, June 7-9. Ecologists, epidemiologists, economists, and mathematicians will comprise a NIMBioS ...

Newly discovered reactions from an old drug may lead to new antibiotics

... group also uncovered another surprise; the stannous salts found in many antimicrobial toothpastes in the form of stannous fluoride also inhibited the synthesis of selenoproteins. Previous independent research had already established that stannous salts are more effective at preventing tooth decay and inhibiti...

MicroRNAs grease the cell's circadian clockwork

...mmon property of these small molecules lies in their ability to inhibit the synthesis of specific proteins, thus allowing cells to reduce the activity of certain...mpinging on the amplitude and duration of their expression. Conversely, the synthesis of miR-122 involves a transcription factor that is otherwise known for its ...
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(Date:8/28/2014)... action is needed to ensure safeguards are in place ... PLOS ONE , researchers from Monash University, Stellenbosch ... combining results from different studies - to look at ... to determine whether they actually protect biodiversity. , ... an area from human exploitation made common sense, however, ...
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(Date:8/27/2014)... a group of fish began exploring land and evolved into ... how these ancient fish used their fishy bodies and fins ... play remain scientific mysteries. , Researchers at McGill University ... living fish, called Polypterus , to help show what ... of the water. Polypterus is an African fish ...
Breaking Biology News(10 mins):Protected areas proven to protect biodiversity 2Nanodiamonds are forever 2Nanodiamonds are forever 3Walking fish reveal how our ancestors evolved onto land 2
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Breaking Medicine News(10 mins):Health News:Canadian Linen and Uniform Service Launches New Customer Portal 2Health News:Canadian Linen and Uniform Service Launches New Customer Portal 3Health News:Mirror Mirror Beauty Boutique to Welcome Its First Patients 2Health News:Clarity PSO Re-lists as a Patient Safety Organization and Continues to Advance Patient Safety 2Health News:Clarity PSO Re-lists as a Patient Safety Organization and Continues to Advance Patient Safety 3Health News:Med-Certification.com Expects Industry "Hiccups" with New Models for Patient Care and Reimbursement 2Health News:New Clinical Trial: Using the Listeria Virus to Fight Mesothelioma 2Health News:New Clinical Trial: Using the Listeria Virus to Fight Mesothelioma 3
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