Contact Lenses That Germs Can't Adhere To? Scientists Breed Designer Molecular Furs On Surfaces Nov 14, 2008
The first step consists of the application of a molecular anchor to short protein chains (peptides) comprised of few amino acids. If these molecular hybrids come into contact with gold, they are anchored by rigid chemical bonds to the metal, subsequently developing a coating as thick and long as the molecule. (Science Daily)
Eggs are healthier than you may think Nov 12, 2008
Egg protein has high biological value because it contains all the essential amino acids needed by the human body. Eggs therefore complement other food proteins of lower biological value by providing the amino acids that are lacking in those foods. (Carroll County Times)
Researchers describe how cells take out the trash to prevent disease Nov 11, 2008
Cells use enzymes known as proteases to break down proteins into their component amino acids in the cytoplasm -- the fluid inside the cell's surface membrane. Those amino acids are then reused to make new proteins ... There, the vesicle enters a larger membrane body called an endosome, which in turn dumps it into another compartment called the lysosome, where special enzymes break apart big molecules to their core units: proteins to amino acids, membranes to fatty acids, carbohydrates to sugars... (EurekAlert!)
Teen's research may improve prostate cancer diagnosis Nov 8, 2008
Early focus on amino acids eventually broadened to metabolites in the urine. "For almost three years, what I've been learning is that the cancer rates in America are rising," Akansh said. (Pittsburgh Post-Gazette, PA)
High Quality Protein Promotes Optimal Health Nov 7, 2008
Recent data suggests a moderate 113 gram (4 ounce) serving of intact protein such as lean meat contains sufficient amino acids to acutely increase muscle protein synthesis by approximately 50 percent without exercise ... High-quality or complete proteins contain all the indispensable amino acids in the appropriate amounts needed by humans ... Beef, milk, yogurt, pork, eggs, cheese, fish and poultry are complete high quality proteins that are highly digestible and contain all the essential amino... (Agri-View, WI)
Beating gravity Nov 6, 2008
Hence, the Wrinkle Lift Restructuring Peptides complex, a blend of peptides, proteins and amino acids, was created. It is (claimed to be) able to increase and activate collagen production in the dermis in less than two hours. (The Star Online, Malaysia)
Showa Denko K.K. (SDK) Announces Third Quarter 2008 Results Nov 6, 2008
7%, to JPY 25,889 million, due to the steady shipment volumes of ammonia and other basic chemicals, the rise in selling prices of amino acids, and the consolidation of Showa Tansan Co., Ltd. Operating income rose 0. 9%, to JPY 1,661 million. (JCN Network, Japan)
Are Food Allergies Genetic? Nov 5, 2008
An elemental infant formula is made up of amino acids, the building blocks of protein, instead of the partial or complete protein chains found in other formulas that milk allergic infants cannot digest. "If switching formulas, it is important that parents select an amino acid-based formula such as Neocate, which is hypoallergenic and manufactured in a 100 percent milk-free environment," says Yannicelli. (Canton Daily Ledger, IL)
Alzheimer's Disease Nov 4, 2008
Magnesium & calcium, Vitamin B-complex especially Choline, B12 and B6, coenzyme Q10, flaxseed oil, ginkgo biloba, borage oil, vitamin C, antioxidants, amino acids, zinc and copper, kelp, chlorella and multivitamin\mineral. Products that Contain Some Aluminum and Mercury. (Suite101.com)
YOU Docs: Easy ways to prevent cancer Nov 4, 2008
They contain creatine and amino acids, which form HAs during high-heat cooking. Flip what you're cooking every 3 minutes. (Athens Banner-Herald)
Insect Strategies for Winter Antifr... Nov 3, 2008
Glycerol; metabolic intermediates such as citric acid, succinic acid, malic acid, and sorbitol; the amino acids aspartate, glutamate, and alanine; and ammonium salts interact synergistically with these proteins, lowering freezing points. Circadian Rhythms Regulate Antifreeze Production. (Suite101.com)
Best Conditioner: Redken All Soft C... Nov 3, 2008
Silk amino acids in All Soft strengthens dry, brittle hair. It is gold camelina also known as gold-of-pleasure, or false flax that provides shine. (Suite101.com)
Human genes sing different tunes in different tissues Nov 3, 2008
Human genes typically contain several "exons," or DNA sequences that code for amino acids, the building blocks of proteins. A single gene can produce multiple protein sequences, depending on which exons are included in the mRNA transcript, which carries instructions to the cell's protein-building machinery. (EurekAlert!)
New Way To Attack Some Forms Of Leukemia Discovered Nov 1, 2008
In normal cells, the MLL protein, which contains 3,969 amino acids, combines with three other proteins to create a molecular switch that controls the DNA packaging events required for the formation of white blood cells ... Cosgrove's team identified a tiny component of the MLL protein-a peptide sequence that contains just six amino acids-that is responsible for assembling the MLL molecular switch in normal cells. (Science Daily)
Vitamin B12 in Vegetarian and Vegan... Oct 30, 2008
It also helps to form some amino acids, which make up body protein and DNA. Vitamin B12 also helps to release energy from foods. Vitamin B12 Deficiency. (Suite101.com)
Diet may help autism Oct 27, 2008
For example, the amino acids in a warm glass of milk can help induce sleep in some individuals. But autistic children, whose digestive tracts generally don't break it down very well, can experience an exaggerated morphine effect. (Yuma Daily Sun, AZ)
Ten top superfoods Oct 26, 2008
Soy beans contain high amounts of protein, including all essential amino acids (the only such vegetable source). Soy beans are also a rich source of calcium, iron, zinc, phosphorus, magnesium, B-vitamins, omega 3 fatty acids and fibre. (iAfrica.com)
How healthy is it really? Oct 26, 2008
All meats provide nearly perfect protein only egg white is a more perfect source of the essential amino acids. Meat also is a good source of some B vitamins and minerals such as zinc. (iAfrica.com)
Gene Mutation In Worms Key To Alcohol Tolerance Oct 25, 2008
This gene specifies the ways in which amino acids arrange themselves into a protein called UNC-18 or Munc18-1 in humans, an essential component of the nervous system. Researchers found that a naturally occurring change in this gene can result in a change in the nature of one of the amino acids, which then alters communication between cells in the nervous system ... Dr Jeff Barclay, co-author of the research, added: We investigated alterations in amino acids in two genetically identical worms. (Science Daily)
Secret Of Death Protein's Activation Unlocked; May Lead To Drugs That Force Cancer Cells To Self-destruct Oct 25, 2008
Gavathiotis and Suzuki used the NMR technique to spot a group of BAX amino acids, the building blocks of proteins, which were affected by the addition of the stapled BH3 peptide. "The discrete subset of amino acids that shifted upon exposure to the stapled BH3 peptide mapped to a completely unanticipated location on BAX," said Walensky. (Science Daily)
Nutritional Supplements For Sleep Oct 24, 2008
Melatonin, Tranquilizing Amino Acids and Other Natural Sleeping Aids. There are many safe and non-addictive nutritional supplements that can be useful for those who have trouble falling asleep or staying asleep. (Suite101.com)
Brains Over Guts Oct 24, 2008
They created linaclotide out of 14 amino acids, 6 of which are cysteines that bind so tightly they keep the whole from getting dissolved by stomach acid or chewed up by digestive enzymes in the intestines. It protects itself, like a turtle, explains Currie. (Forbes -- Business)
Researchers find trigger for cell-killing protein Oct 23, 2008
Walensky said his team was able to activate this switch by making a carefully shaped peptide -- a small chain of amino acids -- that fit perfectly into the trigger mechanism. When this peptide attached correctly, the BAX protein started killing off cells by poking holes in the membranes of mitochondria, which make energy in cells. (MSNBC -- Health)
The Pink Ribbon That Could Save Your Life Oct 23, 2008
Goji berries are "super foods," rich in antioxidants (known to reduce certain types of cancers), amino acids, beta-carotene, vitamin C and polysaccharides that can help reduce the risk for cancer and neutralize the negative effects of chemotherapy and radiation therapy in cancer patients. They can also lower blood pressure, balance blood sugar levels, lower cholesterol and increase calcium absorption -- important for women over 40. (Yahoo News -- Press Releases)
Low-carb diets alter glucose formation by the liver Oct 21, 2008
When carbohydrates are restricted, the liver relies more on substances like lactate and amino acids to form glucose, instead of glycerol ... Carbohydrate restriction increased the rate of glucose formed using lactate or amino acids (GNGpep) ... "This suggests that in fasted human subjects undergoing weight loss, the elevated gluconeogenesis associated with carbohydrate restriction is driven by substrates such as lactate or amino acids," the authors report. (EurekAlert!)
Volcanoes may be original womb of life Oct 20, 2008
It turned out that amino acids, the complex molecules that make up proteins, had formed from the simple materials in the flasks ... In the newly recovered samples, Bada and his team found 22 amino acids, 10 of which had never been found in any other experiment like this. (Yahoo News)
Border Control: How Proteins Permit Entry To A Cell Oct 18, 2008
"Transporter proteins play an important role in the human body - they are responsible for letting different substances, including salts, sugars and amino acids, into our cells and are targets for a large number of drugs. Understanding the details of how this transport mechanism works may help researchers to design new, more effective, drugs in the future," he said. The group's research into this protein began in 2000 with a joint project with the Ajinomoto Company from Japan. (Science Daily)
'Lost' Miller-Urey Experiment Created More Of Life's Building Blocks Oct 18, 2008
17, 2008) A classic experiment proving amino acids are created when inorganic molecules are exposed to electricity isn't the whole story, it turns out ... In his May 15, 1953, article in Science, "A Production of Amino Acids Under Possible Primitive Earth Conditions," Miller identified just five amino acids: aspartic acid, glycine, alpha-amino-butyric acid, and two versions of alanine ... Vials associated with the original, published experiment contained far more organic molecules than Stanley... (Science Daily)
Update:Five-Decade-Old Miller-Urey Vials Revive Origin Of Life Theory Oct 18, 2008
After one week, the experiment yielded amino acids, which are the molecules used by cells in protein biosynthesis found in all forms of life ... The surprise of the experiment was the very large yield of amino acids, he said, although they would have been happy with just obtaining traces of amino acids ... With the help of sensitive mass spectrometers at NASAs Goddard Space Flight Center in Greenbelt, Maryland, the re-analyzed the vials and found 22 amino acids in the residue left behind in... (eFluxMedia)
Life's origin had a violent setting Oct 18, 2008
A week later, amino acids, the building blocks of proteins, were generated out of the simple molecules ... The amino acids never grew into the more complex proteins ... Miller had reported that he had detected five amino acids produced by the original apparatus. (India Times, India)
New spark in classic experiments Oct 17, 2008
When his analysis of the products in the experiments revealed traces of the building blocks of life, amino acids (which combine to make proteins), Stanley Miller became an instant celebrity - though the 1950s newspapers were overstating the case when they claimed he had actually recreated life in the lab ... His sparks turned the mixture red, then yellow-brown, and made a number of amino acids, including glycine and alanine, commonly found in proteins ... "We started sorting through these, and... (BBC News)
The Evolution of the Plant Kingdom Oct 17, 2008
Primary metabolites such as amino acids and sugars are essential to a plant's ability to function in doing such activities as collecting water; secondary metabolites, such as chemicals, were dismissed. It is now known that secondary metabolites are hugely important to a plant's existence. (Suite101.com)
Volcanoes May Have Provided Sparks Of First Life Oct 17, 2008
Researchers reanalyzed 11 of the original samples using contemporary analytical chemistry techniques and produced 22 amino acids, the building blocks of proteins, 10 of which had not been identified previously by Miller. "Historically, you don't get many experiments that might be more famous than these; they redefined our thoughts on the origin of life and showed unequivocally that the fundamental building blocks of life could be derived from natural processes," said lead author Adam Johnson, a... (Science Daily)
Protein Computer Games: Me Fold Pretty One Day Oct 15, 2008
Proteins are long chains of building blocks called amino acids, the specific number and arrangement of which makes each protein whether it makes up your hair or carries oxygen in your blood unique ... A relatively short protein of, say 100 amino acids, could assume trillions of different shapes. (Scientific American)
Expert touts birth-control darts for Valley Forge Park deer Oct 14, 2008
"When you eat hamburger, you don't absorb the burger, you absorb proteins and amino acids," he said. In past years, Pennsylvania Game Commission critics claimed PZP would not work to reduce free-ranging deer. (King of Prussia Courier, PA)
Food For Thought Oct 14, 2008
Eggs are great for the eyes, are the only food to contain naturally occurring vitamin D, are a great source of amino acids, contain the right kind of fat and, despite claims, have no link to heart disease. Instead, recent research has proven that eggs help lower cholesterol. (Glasgow Daily Record)
Next step to speed is DNA computers Oct 13, 2008
Current hardware logic only works with ones and zeros, while DNA logic can work with four states - such as zero, one, two and three - because DNA strands are made up of four amino acids that can be "switched" on and off. That means much more processing can be done and more sophisticated instructions can be given to DNA logic. (Missoulian, MT)
Three Researchers Win Nobel Prize For Bioluminescent Cells Oct 11, 2008
When a cell produces this protein, some amino acids that comprise the proteins core undergo a series of changes which require only oxygen, and which form a structure that can absorb ultraviolet light and emit a green-shaded glow. Almost any cell can be made to produce GFP, from bacterial cells to those found in humans. (eFluxMedia)
Microorganism Lives All Alone Deep Underground Oct 10, 2008
It can digest sugars and amino acids, suggesting that one source of carbon might be the dead cells of other microbes in locations where the concentration of cells permits. But in the fluid from level 104, where biodensity is low, D. audaxviator is able to survive because its genome also contains genes equipping the organism to get carbon from carbon monoxide, carbon dioxide, bicarbonate, formate, and other nonbiological sources. (Science Daily)
Three chemists win Nobel prize Oct 10, 2008
The green fluorescent protein consists of a chain of 238 amino acids bent into a beer can-like cylindrical shape, and for two and a half decades it remained a little-known biological curiosity. Chalfie first heard about the protein at a seminar in 1988, and thought he might be able to use it in his studies of Caenorhabditis elegans, a transparent roundworm. (International Herald Tribune)
Chemistry Nobel awarded for work on fluorescent protein Oct 8, 2008
The green fluorescent protein consists of a chain of 238 amino acids bent into a cylindrical shape. Unlike other bioluminescent proteins, GFP does not require additives to glow. (International Herald Tribune -- Health)
Japanese, 2 Americans win Nobel in chemistry Oct 8, 2008
By exchanging various amino acids in different parts of GFP, he was able to get it to absorb and emit different colors, including blue, cyan and yellow. That is how researchers today can mark different proteins in different colors to see their interactions, the academy said in its citation. (Globe and Mail -- International)
Joe Orso: The difference between supporting Palin for vice president, pastor Oct 8, 2008
The minimal cell can obtain its more basic components from the environment: glucose, fatty acids, amino acids, adenine, guanine, uracil, and coenzyme precursors (nicotinamide, riboflavin, folate, pantothenate, and pyridoxal). Each box includes the metabolic transformations classified in major groups of pathways: glycolysis, phospholipid biosynthesis, nonoxidative pentose-phosphate pathway, nucleotide biosynthesis, synthesis of enzymatic cofactors, and synthesis of protein precursors, i.e.,... (La Crosse Tribune, WI)
* Yak milk: where Han and Tibetan economics meet Oct 7, 2008
The China Nutrition Society, a Ministry of Health-backed research institute, claims the amino acids, calcium and vitamin A in yak milk are considerably higher than in cows milk, though its appeal depends as much on the mystique of its origins as its nutritional qualities. Feifan is undergoing extra safety checks because of Chinas recent milk contamination scandal. (Taipei Times, Taiwan -- World)
Genetic Damage In Minibacteria In Aphids And Ants Repaired By Faulty Copying Oct 7, 2008
6, 2008) Aphids (plant lice) and ants carry minibacteria that produce essential amino acids and vitamins ... Aphids (plant lice) and ants carry minibacteria that produce essential amino acids and vitamins. (Science Daily)
Biophysicists Create New Model For Protein-cholesterol Interactions In Brain And Muscle Tissue Oct 7, 2008
Now, researchers believe that drugs binding to the receptor not only interact with amino acids the building blocks of the protein receptor but also cholesterol tucked away within the protein. The shift in thinking transforms the understanding of this receptor in many ways, from shape and structure to its interaction with its environment and its response to neurotransmitters. (Science Daily)
Bio-imaging Mass Spectrometry Techniques Reveal Molecular Details About Complex Systems Oct 6, 2008
Because it does not use a matrix, LD/SPI-MS can detect low-mass molecules such as sugars, amino acids, small peptides and cytotoxic compounds formed as result of cancer treatment. It could achieve higher spatial resolution and sensitivity than typical commercial mass spectrometers that rely on the laser desorption of ions, according to Orlando. (Science Daily)
Africa: GM Sorghum Test Approved Oct 4, 2008
The aim of the ABS Project is to "develop sorghum with improved food quality by enriching it for essential amino acids (part of the protein component of the diet), and later by increasing its content in essential vitamins (vitamin A and E).". "This process proves that South Africa has robust regulation," the CSIR Biosciences Executive Director, Dr. Gatsha Mazithulela, said in a media statement. (allAfrica.com)
Molecular Machines That Control Genes Oct 4, 2008
The coding region specifies the sequence of amino acids that must be linked together to make a particular protein. This sequence is spelled out by the nucleotides (the building blocks of DNA) in one strand of the DNA double helix; the nucleotides are distinguished from one another by the nitrogen-rich base they carry adenine (A), thymine (T), cytosine (C) or guanine (G). (Scientific American)
Traits produced by melanin may signal the bearer's capacity to combat free radicals Oct 4, 2008
In fact, melanin is constructed from amino acids present in proteins of the organism. However, recent experimental studies have become to disentangle the cost at the basis of melanin-based signals. (EurekAlert!)
How to Avoid Losing Muscle As You Age Oct 3, 2008
(Vegetarians can eat soy, a complete protein, or combine proteins like rice and beans to get the essential amino acids found in animal protein. Four ounces isn't much--about the size of a deck of cards--so there's no need to go overboard. (Yahoo News -- Top Stories)
Free E-Book Explores Health Benefits of Wheat Grass for People and Pets Oct 3, 2008
Wheat grass contains high concentrations of chlorophyll, enzymes, anti-oxidant nutrients, vitamins A, B-complex, C, E, and K, minerals and a complete set of amino acids. So how do these nutrients add up to healthier, happier pets. (Yahoo News -- Press Releases)
Energy drinks can cause caffeine intoxication Sep 25, 2008
Many of these so-called "energy" drinks not only contain high levels of caffeine, but also a plethora of ingredients that are technically classified as dietary supplements such as vitamins, herbal extracts and synthesized singular amino acids. Many of these ingredients now come from China and have never been tested for their interaction with caffeine or the numerous compounds commonly used in soft drinks such as HFCS (high fructose corn syrup) sweetener, artificial sweeteners, artificial... (Los Angeles Times)
Site Used By Sodium To Control Sensitivity Of Certain Potassium Ion Channels Sep 23, 2008
The team had previously shown that Kir3 channels are sensitive to sodium, but had not shown how sodium is coordinated by specific amino acids found in several Kir channel proteins. We have a fairly good molecular understanding of how the sodium ions are coordinated and we have a compelling hypothesis of how the coordination of sodium may be affecting this particular type of potassium ion channel to open it, said Diomedes Logothetis, Ph. (Science Daily)
Dietary supplements cause 600 'adverse events' Sep 23, 2008
The agency defines dietary supplements as including vitamins, minerals, amino acids, herbs or botanicals, and enzyme supplements. Dietary supplements have long been a controversial topic, with consumer advocates critical of the fact that, unlike with drugs, supplement makers don't have to prove their products are safe or effective before they reach the market. (USA Today)
Interest rates rise on short-term T-bills Sep 23, 2008
Wang, 36, an assistant professor in chemical biology and proteomics, is receiving the funds for research that will design and incorporate novel amino acids in roundworms, a widely used model organism that's easy to raise in the lab, to study how a class of proteins transmits signals regulating development and cancer. Wang is among a group of 31 young scientists who receive a portion of $138 million set aside for the Innovator Award. (San Diego Union-Tribune -- Business)
Atrium acquires Orthos Europe B.V., a Netherlands-based company Sep 22, 2008
AOV's food supplement portfolio provides its customers with a complete range of over 170 high valued products composed of vitamins, minerals, fatty acids, enzymes, antioxidants, multi-vitamins/minerals, amino acids, phytotherapeutics and other specific preparations. About Atrium Atrium Innovations Inc. is a recognized leading developer, manufacturer and marketer of science-based and professionally endorsed products for the health and nutrition industries. (Canada Newswire)
'89 suspensions signaled new era Sep 21, 2008
We said, 'Try some amino acids,' some performance-enhancers that were considered legal. But unfortunately, nothing works as good as your natural body hormones. (San Diego Union-Tribune -- Sports)
Top ten foods to boost sexual desire Sep 21, 2008
Oysters: Recent studies have shown that oysters are rich in rare amino acids that can trigger increased levels of sex hormones. 3. (India Times, India)
New Synthetic Form Of Protein Holds Promise To Stop Cancer Spread Sep 19, 2008
20, 2008) The thousands of proteins found in nature are simply strings of amino acids, assembled by genes, and scientists have long believed that they automatically fold themselves into uniquely fixed. (May 14, 2008) A chemical compound derived from vitamin A prevents cancer from forming and is being developed by the National Cancer Institute as a daily preventive pill. (Science Daily)
Nitrate Concentrations Of Ground Water Increasing In Many Areas Of The United States Sep 19, 2008
Chemists have discovered that the atmospheric nitrate radical irreversibly damages amino acids, which are the building blocks for. (July 2, 2008) Numerous studies over the past four decades have established that pesticides, which are typically applied at the land surface, can move downward to reach the water table at detectable concentrations. (Science Daily)
Sense and Antisense OsDof12 Transcripts in Rice Sep 17, 2008
OsDof12, being a single copy gene located on rice chromosome 3, encodes a predicted Dof protein of 440 amino acids with one intron of 945bp. The antisense transcript, OsDofl2os, overlaps with both the exonic and intronic regions of OsDof12 and encodes a functionally unknown protein of 104 amino acids with no intron. (BioMed Central)
What kids should eat after practice, workout Sep 16, 2008
The soy and the milk proteins increased blood levels of amino acids (the building blocks of protein) but the milk protein resulted in a greater uptake of amino acids into the muscle and a greater rate of muscle protein synthesis. Conclusion: Milk protein taken after weight training has the potential to help you build muscle more rapidly. (Atlanta Journal-Constitution -- Health)
Eight-legged space survivor gives 'panspermia' theory new life Sep 16, 2008
" Star-to-star? Interstellar panspermia remains a highly unlikely proposition in the minds of most scientists. Multiple studies have shown that the raw material of life are common around other stars, and in fact the very seeds of life known as amino acids could also be everywhere. Life, therefore, might be common around other stars, scientists say. But getting from one star to another is another matter altogether. It would take four years just to get from our solar system to the next nearest... (USA Today -- Tech)
Joe Duggan: Wild game can have nutritional edge on beef Sep 14, 2008
Game provides not only lots of protein, but a high-quality protein with the right proportion of essential amino acids. That means when you eat a deer steak, you don t have to worry about eating another source of protein to get all your body needs. (Columbus Telegram, NE)
