Remote-control closed system invented for inserting radio-active atoms inside fullerenes
...abeled nanomaterial is then further purified by passage through a column that traps the empty-cage fullerenes. The resulting liquid is evaporated and hydroxyl
atoms are attached to the molecules so they will be soluble in biofluids.
All of the steps of the process are managed remotely and the purified pr...
SANYO Donates Systems Effective vs. Flu to United Nations Organization Affiliate - World Association of Former United Nations Internes and Fellows (WAFUNIF)
...sing tap water and electricity, there are absolutely no harmful chemicals. The electricity works as a catalyst for the salt in the tap water to create hydroxyl
radicals and hypochlorous acid to destroy the protein spikes on the surface of the virus. This prevents the virus from attaching to and infecting heal...
A potential drug for ischemia/reperfusion related liver injury
...ated with liver transplantation and major liver surgery. The production of reactive oxygen species (ROS), including superoxide, hydrogen peroxide, and hydroxyl
radical, has been demonstrated in reperfusion injury. Resveratrol has been reported to have several biologic effects such as a potent antioxidative ef...
Chinese Red Yeast Rice May Prevent Heart Attack
...eart attack were randomly selected to receive capsules containing XZK or a placebo. The XZK capsules contained a combination of lovastatin, lovastatin hydroxyl
acid, ergosterol, and other components, the report said.
During five years of follow-up, the researchers found that 10.4 percent of those receivin...
Chemical engineering researchers identify biofilms that cause infections
...you can trick bacteria, but you have to do it well, and another modification does not have any effect on stopping biofilm formation.
"By adding that hydroxyl
group and making the 7-hydroxyindole, we turn off the bacterium's ability to talk. We short-circuit the bacterium, and it becomes less of a bad actor....
Smog's Origins Get Clearer
...of complex chemical reactions involving the interaction of sunlight with hydrocarbons and nitrogen oxides from vehicle exhaust. Ozone is produced when hydroxyl
radicals (OH) are produced from water vapor.
It was long believed that most OH radicals involved in urban ozone production were generated by the re...
New Device Developed to Eliminate Superbugs Within Minutes
They established that in the outdoors, hydroxyl
radicals produced through natural reactions betwee...ize of a flower vase that constantly generates the hydroxyl
The device draws in oxygen and expo...s to produce a cold plasma rich in ozone.
radicals are generated by constantly reacting the ...
Super Chow, Laced With Semi-Synthetic Vitamin E, Inhibited Spread of Cancer
...e said. To improve the vitamin, derivatives have been created by swapping a hydroxyl
chemical group with an acid. One is alpha-tocopheryl succinate (?-TOS), whi...eryloxyacetic acid (alpha-TEA), which used acetic acid.
Replacing the hydroxyl
group in vitamin E helps force cancer cells to self destruct, Akporiaye sai...
Elusive Step In DNA Mutation Uncovered By Researchers
...action requires more energy than seems to be available because, formally, it requires that a water molecule (H2O) split apart into a proton (H+) and a hydroxyl
anion (OH-). This large energy requirement has puzzled scientists for a long time. Now the research team, led by Landman and Gary Schuster, provost-de...
Computational Model Reveals Working of AZT in Body
...the four naturally occurring deoxynucleosides, the building blocks used to make DNA. However, modified AZT molecules lack a specific chemical group (a hydroxyl
group) that would allow DNA replication to continue. This results in premature termination of DNA synthesis. It is thought that the triphosphorylated ...
Hydroxyl in Medical Technology
Hydroxyl in Medical Dictionary
...treatments, and other medical and health issues. ... Pregnanediol has two hydroxyl
... Pregnanediol is an inactive product that forms when the body brea..... Pregnanediol - Substance Summary (SID 7844) ... Pregnanediol has two hydroxyl
groups, at 3-alpha and 20-alpha. ... Pregnanediol . Normal Values: mal...
...es. It was first isolated in 1780 by a Swedish chemist, Carl Wilhelm Scheele, and is a carboxylic acid with a chemical formula of C3H6O3. It has a hydroxyl
group... A lactic acid test is a blood test that measures the level of lactic acid produced in the body, mainly by muscle tissue and...
Hydroxyl in Biological News
MIT nanotubes sniff out cancer agents in living cells
...thor of the paper.
The sensor can detect DNA-alkylating agents, a class that includes cisplatin, and oxidizing agents such as hydrogen peroxide and hydroxyl
Using the sensors, researchers can monitor living cells over an extended period of time. The sensor can pinpoint the exact location of mo...
Biomedical engineers' detective work reveals antibiotic mechanism
... underlying pathway that caused over-production of hydroxyl
radical molecules which contributed to bacterial c...d, some kill bacteria outright, and produce deadly hydroxyl
radicals, while other drugs of the class don't trigger hydroxyl
radical-production and merely stop bacterial growt...
Methane gas levels begin to increase again
...tle, and the gas and coal industries, and is destroyed by reaction with the hydroxyl
free radical (OH), often referred to as the atmosphere's "cleanser."
One...ern Hemisphere. At present, however, it is uncertain whether such a drop in hydroxyl
free radical concentrations did occur because of the inherent uncertainty i...
Study finds Chinese food good for your heart
...en two-300-milligram XZK capsules or a placebo and tracked over a five-year period. The XZK capsules contained a combination of lovastatin, lovastatin hydroxyl
acid, ergosterol and other components.
"I think it is surprising that a natural product like XZK would have this great an effect," said Capuzzi. "If...
UF researchers develop improved gene therapy agent
Tyrosine has as part of its makeup a group of molecules called a hydroxyl
group, which attracts phosphates in the cell. When a phosphate binds to the hydroxyl
group, it sends a signal to the proteasome the cellular equivalent of taki...
Key molecule discovered in Venus's atmosphere
... Venus Express has detected the molecule hydroxyl
on another planet for the first time. This detecti...ding the planets disc. The instrument detected the hydroxyl
molecules by measuring the amount of infrared ligh...f.
The band of atmosphere in which the glowing hydroxyl
molecules are located is very narrow; it is only a...
Flowers' fragrance diminished by air pollution, University of Virginia study indicates
...scents of flowers travel with the wind. The scent molecules produced by flowers are very volatile and they quickly bond with pollutants such as ozone, hydroxyl
and nitrate radicals, which destroy the aromas they produce. This means that instead of traveling intact for long distances with the wind, the scents ...
Boston University biomedical engineers find chink in bacteria's armor
...e radical production.
Free radicals -- such as hydroxyl
or superoxide radicals -- are molecules that carry...hibit or block the bacterial defense mechanisms to hydroxyl
radical damage, you can potentiate or enhance the ...n rapidly stimulates production of toxic levels of hydroxyl
Its really amazing that despite the ...
Dopamine used to prompt nerve tissue to regrow
...to promote nerve regeneration. As the nerve tissue reforms, the polymer degrades.
Wang's team found that dopamine's structure, which contains two hydroxyl
groups, is vital for the material's neuroactivity. Removing even one group caused a complete loss of the biological activity. They also determined tha...
UCI scientists find chlorine may contribute to ozone formation
...ads to ozone formation. The primary cause of urban ozone is the reaction of hydroxyl
radical (OH) with hydrocarbons and nitrogen oxides. OH is a highly reactive...s photochemically in air.
"For the last 30 years, we've known that the hydroxyl
radical is the primary cause of ozone," Saltzman said. "Chlorine plays a si...
Hydroxyl in Biological Technology
Hydroxyl in Biological Products
T4 Polynucleotide Kinase Exchange Reaction Buffer from Invitrogen
Description:...eaction T4 Polynucleotide Kinase transfers the 5' phosphate group from DNA to ADP and subsequently transfers the Gamma-phosphate of ATP to the free 5' hydroxyl
group to rephosphorylate the DNA....
Corticosterone EIA Kit from IDS Ltd
Description:...isol, in varying proportions. It is therefore critical to look at relative cross-reactivities of these closely related steroids (differing by only one hydroxyl
group at C17) if attempting to differentiate between them by immunoassay. Our assay has a low 0.02% cross-reactivity with cortisol....
T4 DNA Ligase from Invitrogen
Description:... T4 DNA Ligase catalyzes the formation of phosphodiester bonds in the presence of ATP between double-stranded DNAs with 3' hydroxyl
and 5' phosphate termini. The unique T4 DNA Ligase buffer optimizes ligation which can be performed in 5 minutes (1). Single-stranded nucleic acids ar...
ARCA (Anti Reverse Cap Analog) from Ambion
Description:... 3 OH group (closer to m7G) is replaced with OCH3. Because of this substitution, the RNA polymerase can only initiate transcription with the remaining hydroxyl
group thus forcing ARCA incorporation in the forward orientation. As a result, unlike transcripts synthesized with conventional cap analog, 100% of th...
Poly A Polymerase from Invitrogen
Description:... Poly A Polymerase catalyzes the addition of AMP to the 3' hydroxyl
terminus of RNA. Poly A Polymerase can add poly(C) and poly(U) to RNA but does so with much-reduced efficiency....
15(R)-17-phenyl trinor Prostaglandin F2alpha isopropyl ester from Cayman Chemical
Description:...(R)-17-phenyl trinor PGF2α isopropyl ester) is the latanoprost-related isomer containing both a double bond at 13,14 and an inverted (β) hydroxyl
group at C-15. Similar to 15(S)-latanoprost, 15(R)-17-phenyl trinor PGF2α isopropyl ester is a potential impurity in most commercial preparatio...
Hydroxyl in Biological Definition
...erm, applied to any organic compound in which a hydroxyl
group ( - O H ) is bound to a carbon atom, wh...
The functional group of an alcohol is a hydroxyl
group bonded to an sp 3 hybridized carbon. It c...triacylglycerols)
Phenol , an alcohol where the hydroxyl
group is bound to a benzene ring
...traight-chain aldehydes and ketones with many hydroxyl
groups added, usually one on each carbon except t...tose .
Further, each carbon atom that supports a hydroxyl
group (except for the first and last) is opticall...ke. The aldehyde or ketone group may react with a hydroxyl
group on a different carbon atom to form a hemiac...
...aldoses . In this ring, each carbon is linked to hydroxyl
and hydrogen side groups with the exception of th...L has to do with the isomeric conformation of the hydroxyl
on carbon 5. If it is to the right in the Fische...tructurally, they differ in the orientation of the hydroxyl
group linked to the first carbon in the ring. The...
... that involves breaking an ester link, one hydrolysis product contains a hydroxyl
functional group , while the other contains a carboxylic acid functiona.... The fragment that was originally an alkyl group collects the remaining hydroxyl
group from the water molecule.
Thus the ester is effectively reversed to...
...ction of the kidney
The kidney regulates the pH, mineral ion concentration and water composition of the blood.
By exchanging hydronium ions and hydroxyl
ions , the blood plasma is maintained by the kidney at pH 7.4. Urine, on the other hand, becomes either acidic at pH 5 or alkaline at pH 8.
...is makes them amphiphilic molecules (having both hydrophobic and hydrophilic portions). In the case of cholesterol , the polar group is a mere -OH ( hydroxyl
or alcohol). In the case of phospholipids, the polar groups are considerably larger and more polar, as described below.
Phospholipids or, more pr...
Several highly reactive, transient oxygen derivatives can be formed during this process:
Pentose phosphate pathway
...ydrogenation of glucose 6-phosphate into 6-phosphoglucono-δ-lactone . This reaction is catalyzed by glucose 6-phosphate dehydrogenase . The hydroxyl
group located on carbon 1 of glucose 6-phosphate is converted into a keto group, and in the process, NADPH is generated.
The second step is the ...
...yl group of each fatty acid is esterified to the hydroxyl
groups on carbon-1 and carbon-2. The phosphate gr...are formed from a phosphoester linkage between the hydroxyl
of an alcohol ( serine or inositol ) and cytidin...ceramide . Subsequent substitution of the terminal hydroxyl
group by phosphatidyl choline forms sphingomyelin....
...ished from DNA by the presence of an additional hydroxyl
group, attached to each pentose ring; as well a...ble from DNA except for the critical presence of a hydroxyl
group attached to the pentose ring in the 2' position (DNA has a hydrogen atom rather than a hydroxyl
Hydroxyl in Biological Dictionary
...mparable role in the self - splicing reaction, however, and so our unique ... This self - splicing RNA provided the first example of a ... A 3' hydroxyl
is the same as the product of self - splicing but opposite to the ... ...
...e that removes a phosphate group from its substrate by hydrolysing phosphoric acid monoesters into a phosphate ion and a molecule with a free hydroxyl
group . This action is directly opposite to that... Alkaline phosphatase (ALP) (EC 18.104.22.168) is a hydrolase enzyme responsible for removing ph...
...... Oxidation is defined as the interaction between oxygen molecules and all the ... Hydroxyacyl-CoA Dehydrogenase catalyzes oxidation of the hydroxyl
in the b ... NADH produced during fatty acid oxidation is reoxidized by transfer of 2e- to ... Oxidation - Definition. The most fundamental rea...
in chemistry describes a molecule consisting of...y a covalent bond. The neutral form is known as a hydroxyl
radical and the singly-charged hydroxyl
anion is called hydroxide.... ...
...igase . rGka DNA Polymerase. RNA 5' Polyphosphatase ... Catalyzes the formation of a phosphodiester bond between juxtaposed 5' phosphate and 3' hydroxyl
termini in duplex DNA or RNA. This enzyme will join blunt end and ... Catalyzes the formation of a phosphodiester bond between juxtaposed 5...
... sugar. Since deoxyribose already lacks a 2'-OH, dideoxyribose lacks hydroxyl
groups at both its 2' and 3' carbons. The lack of this hydroxyl
group means that, after being added by a DNA polymerase to a growing nuc...
...) is a five carbon sugar ... Deoxyribose differs from ribose in lacking a hydroxyl
at position 2. ... Deoxyribose (each number on the ring represents a c...gar deoxyribose (a 5 carbon sugar) ... In the case of deoxyribose , a hydroxyl
group has been replaced with a single hydrogen atom. Deoxyribose has the ...
... DNA preferentially at phosphodiester linkages adjacent to a pyrimidine nucleotide, yielding 5'-phosphate terminated polynucleotides with a free hydroxyl
group on... deoxyribonuclease n. DNase. ... deoxyribonuclease . Dictionary: de·ox·y·ri·bo·nu·cle ... A deoxyribonuclease (DNase, for short) is...