racemizes

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Examples
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  • 1ARI: Substitution of apolar residues in the active site of aspartate aminotransferase by histidine. Effects on reaction and substrate specificity. RACEMIZES ALANINE SEVEN TIMES FASTER THAN WILD TYPE ASPARTATE AMINOTRANSFERASE. — “RCSB Protein Data Bank - Structure Summary for 1ARI”,
  • 10/27/2005: Stereoisomer Racemization "All human proteins start off in the L-stereoisomer, because aspartic acid racemizes the fastest it is used to correlate endogenous amounts of DNA ". — “No Evidence of Neandertal Mt-DNA contribution to early Modern”, clas.ufl.edu
  • A random image for readd, and a definition if applicable. What does readd mean? Readd definition at including readd image. Top words beginning with R: requirers, restack, racemizes, reptilia, removes, rouky, rachiodynia, records, rifadin, reversis, raggil, rehalation,. — “Readd image and readd definition”,
  • The photochemistry of optically active (E)-cyclooctene in cyclopentane was initiated with a lamp at ca. 254 nm and a Nd-YAG laser at 266 nm. The alkene racemizes slightly faster than it isomerizes to (Z)-cyclooctene, suggesting a previously. — “The photochemistry of optically active (E)-cyclooctene: lamp”,
  • No results found for "racemizes" Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. Developed for Microsoft by Bloomsbury Publishing Plc. Advertisement. — “racemizes definition - Dictionary - MSN Encarta”,
  • Not to be confused with lemonene. Limonene is a hydrocarbon, classified as a cyclic terpene. It is a colourless liquid at room temperature with a strong smell of oranges. Limonene occurs naturally as the (R)-enantiomer, but racemizes to dipentene at 300 °C. When warmed with mineral acid, limonene. — “Limonene”,
  • racemization n. Conversion of an optically active substance to a racemic form. Browse: Unanswered questions | Most-recent questions | Reference library. Enter a question here Search: All sources Community Q&A Reference topics. — “racemization: Definition from ”,
  • Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. — “Racemizes - Definition and More from the Free Merriam-Webster”, merriam-
  • He was quoted as saying that he had discovered the basis of the method in 1968, and that L-Isoleucine racemizes (technically in this case, since there are two asymmetric carbon. — “The Amino Acid Racemization Dating Method”,
  • It may be helpful to construct molecular models and prove to yourself that the two different configurations of the ring are in fact non-superimposable mirror images of each other. For both trans-cyclooctene and trans-cyclononene, the enantiomers. — “O-Chem question. 10pts 4 best answer!!!! I promise?”,
  • Unexpectedly facile racemization of 8-diphenylphosphinoyl-8-methoxy-1,1-binaphthyl Optically active 8-diphenylphosphinoyl-8-methoxy-1,1-binaphthyl 7 racemizes very rapidly. — “Chemical Communications Articles”,
  • [edit] Verb. racemizes. Third-person singular simple present indicative form of racemize. racemizes" Category: English third-person singular forms. Personal. — “racemizes - Wiktionary”,
  • a) enolization b) carbonium ion formation c) alkene formation d) reversible oxidation-reduction Discussion Response Post to: A solution of optically active 1-phenylethanol in acidified aqueous medium racemizes dueto. — “A solution of optically active 1-phenylethanol in acidified”,
  • Definition of racemizes in the Medical Dictionary. racemizes explanation. Information about racemizes in Free online English dictionary. What is racemizes? Meaning of racemizes medical term. What does racemizes mean?. — “racemizes - definition of racemizes in the Medical dictionary”, medical-
  • Purification and some properties of a novel racemase, which racemizes 2-oxothiazolidine-4-carboxylic acid and 5-oxoproline, from Flectobacillus sp. Purification and some properties of a novel racemase, which racemizes 2-oxothiazolidine-4-carboxylic acid and 5-oxoproline, from Flectobacillus sp. — “Purification and some properties of a novel racemase, which”,
  • Definition of racemizes in the Online Dictionary. Meaning of racemizes. Pronunciation of racemizes. Translations of racemizes. racemizes synonyms, racemizes antonyms. Information about racemizes in the free online English dictionary and. — “racemizes - definition of racemizes by the Free Online”,
  • Definition of Racemizes with photos and pictures, translations, sample usage, and additional links for more information. — “Racemizes: Definition with Racemizes Pictures and Photos”, lexic.us
  • phenylalanine racemase, the light component of gramicidin S synthetase, racemizes Phe and activates it to the aminoacyl adenylate and in a second phenylalanine racemase, the light component of gramicidin S synthetase, racemizes Phe and activates it to the aminoacyl adenylate and in a second. — “Reference to EC No. 5.1.1.11, ID= 2059”, brenda-
  • Asparagine (acidified to aspartic acid) racemizes quickly and has frequently been used to Isoleucine racemizes much more slowly, and has been used to date materials from 5000 to 2. — “Amino acid dating - Wikipedia, the free encyclopedia”,

Videos
related videos for racemizes

  • Following DrSim0n's Trail of Absurdity Illustrations courtesy of linkmeup2003... Here are my points... in order of appearance: 1. My point was that it wouldn't be extremely unlikely for the microspheres to run into a single tar versus them clumping together and "going away" because they are in the *ocean*, surrounded by a lot of water, and would have to find each other to clump together. If you argue that they still *will* find each other... then you must concede that the nucleotides will "find each other" as well... and while it might take a little longer to bond than tars, they will still be bonding together. They will then not be able to get into the microsphere because the chain of nucleotides is too big. 2. Your article speaks about *only* hexose... and then it goes on to say that it *might* be able to explain a *theoretical* basis for a *plausible* mechanism behind the homochirality of ribose and deoxyribose. That means that nucleotides *can* form into a pure-D mixture naturalistic ally? Nope... just that they really believe it, and are willing to jump to that conclusion based upon nothing but a guess. Nice try... And then if you say that they are *catalysts*, and that it would just take more time to catalyze ribose or deoxyribose, then why can't they demosntrate a *small* change over a *small* time. And then... if it takes a *super* long time, you have to worry about racemization. 3. A philosopher, or mathematician, who creates a theory like ID which is falsifiable, and can be falsified by observations ...
  • RATE (Radioisotopes And The Age of the Earth) New Findings Show Flaws In Old-Earth Dating Methods - By measuring amounts of different products of radioactive decay, scientists have discovered that a process called "accelerated nuclear decay" must have occurred—in other words, the rate that elements decay in rocks was sped up in the past, making it much faster than we see today. Tune in to part two of our series to learn how they came to this conclusion—and how this is powerful evidence for a young earth. New Rate Data Support a Young World - . What Comes after RATE? - . The Amino Acid Racemization Dating Method - . Consequences of Time Dependent Nuclear Decay Indices on Half Lives - . Quotes by Evolutionary Scientists Against Evolution - Live broadcasting with instant message - www.justin.tv KJV1611 Bible -
  • Organic Chemistry Rap Just a little Organic Chemistry rap I made this summer Produced by Shawn Jahan /shawnjahan MP3 Download: Lyrics: I didn't make the A, but I can still remember the name Of every carbon based molecule that you could create Just dots and lines to memorize, flying into my eyes I can synthesize in half the time that it takes for you to draw a bond of pi That's two lines drawn through the middle of a row of C's ...Because I know the E's, I know my SP's, my SP2's and my 3's And the international union of pure and applied chemistry sucks! For making my life a living hell with all the rules they made up We've got enantiomers, diastereomers, I know it probably sounds like I'm just throwing out words And when I'm cooking my dinner and the smells start brewing I can't help but think of Huckel and his silly old rules Yeah, it's the ochem song I should probably be studying but this is more fun But the sound waves look like an NMR And I still can't tell if my clock is S or R Yeah, it's the ochem song I should probably be studying but this is more fun But the sound waves look like an NMR And I still can't tell if my clock is S or R Alkenes, alkynes, alkanes, they all sound the same! It's just a couple of letters in there differentiating the name And I have to admit the one that I hated most was probably epoxides Because it's hard to know a structure when it's coming in from all sides! But my favorite may have been deprotonation via claisen It's a two way tie ...
  • Interview with Dr. Steven Clarke - Part 4 of 5 On January 31st, Cutting Edge Talk Show conducted an interview with Dr. Steven Clarke, a world authority on age-related protein damage and repair. Dr. Clarke's major interest is understanding the biochemistry of the aging process. He is particularly interested in the generation of age-damaged proteins by spontaneous chemical reactions and the physiological role of cellular enzymes that can reverse at least some portion of the damage. For over thirty years his laboratory focused its efforts on the degradation of aspartic acid and asparagine residues and the subsequent metabolism of their racemized and isomerized derivatives. His laboratory is presently determining the biological role of protein methyltransferases that can initiate the conversion of D-aspartyl residues to the L-configuration as well as the conversion of isopeptide linkages to normal peptide bonds. Such "repair" reactions may greatly increase the useful lifetime of cellular proteins and may help insure organismal survival. Dr. Clarke presented at GTCbio's New Applications for Aging Research conference in January 2008. His presentation received highest ratings and ignited active discussion. The Cutting Edge Talk Show was moved by Dr. Clarke's outstanding speech and decided to schedule a separate interview. The interviewers briefly touch on Dr. Clarke's work and ask questions that may be of interest to non-scientists.
  • Interview with Dr. Steven Clarke - Part 1 of 5 On January 31st, Cutting Edge Talk Show conducted an interview with Dr. Steven Clarke, a world authority on age-related protein damage and repair. Dr. Clarke's major interest is understanding the biochemistry of the aging process. He is particularly interested in the generation of age-damaged proteins by spontaneous chemical reactions and the physiological role of cellular enzymes that can reverse at least some portion of the damage. For over thirty years his laboratory focused its efforts on the degradation of aspartic acid and asparagine residues and the subsequent metabolism of their racemized and isomerized derivatives. His laboratory is presently determining the biological role of protein methyltransferases that can initiate the conversion of D-aspartyl residues to the L-configuration as well as the conversion of isopeptide linkages to normal peptide bonds. Such "repair" reactions may greatly increase the useful lifetime of cellular proteins and may help insure organismal survival. Dr. Clarke presented at GTCbio's New Applications for Aging Research conference in January 2008. His presentation received highest ratings and ignited active discussion. The Cutting Edge Talk Show was moved by Dr. Clarke's outstanding speech and decided to schedule a separate interview. The interviewers briefly touch on Dr. Clarke's work and ask questions that may be of interest to non-scientists.
  • IE Organic Lecture 9.2 - Stereoisomers & Energy, Racemizatio Diastereomers are different in energy; enantiomers are equal in energy. This fact forms the basis for most of organic chemists' thinking about reactions involving stereoisomers. Learn more about this idea, and about the interconversion of enantiomers (racemization), in this video. For more free educational content, visit .
  • Accidents & Irony Strength team: "You are not an accident. Nobody in this gym is an accident. Somebody created each of you with an important purpose." It disturbs me when creationists equate a world without god to an existence where all things are accidental. It doesn't so much disturb me because I find the idea of an ungoverned existence frightening, or even that they don't understand that an ungoverned existence does not equate to one with no order, rules of probability and/or basic structure - you know, like natural laws. The truly disturbing part of that false equivalency is the scientific ignorance that makes Creationists blind to their own irony. Their position of a God creating us just as we are today, and the planet six to eight thousand years ago requires them to consider a myriad of individually clarified pieces of scientific evidence from multiple disciplines to be circumstantial and accidental. It's the creationist position that requires it to be an accident or coincidence that chimpanzee and human genomes are more than 98% identical, and that fossils from around the world have been independently discovered, dated, and studied- contradicting biblical claims about earth-age and species development. It's they who believe earth dating techniques including carbon , dendrochronology, amino acid racemization, palomagnetic and others performed by separate scientists in separate locations consistently yield remarkably similar results about the age of our planet ...
  • Interview with Dr. Steven Clarke - Part 5 of 5 On January 31st, Cutting Edge Talk Show conducted an interview with Dr. Steven Clarke, a world authority on age-related protein damage and repair. Dr. Clarke's major interest is understanding the biochemistry of the aging process. He is particularly interested in the generation of age-damaged proteins by spontaneous chemical reactions and the physiological role of cellular enzymes that can reverse at least some portion of the damage. For over thirty years his laboratory focused its efforts on the degradation of aspartic acid and asparagine residues and the subsequent metabolism of their racemized and isomerized derivatives. His laboratory is presently determining the biological role of protein methyltransferases that can initiate the conversion of D-aspartyl residues to the L-configuration as well as the conversion of isopeptide linkages to normal peptide bonds. Such "repair" reactions may greatly increase the useful lifetime of cellular proteins and may help insure organismal survival. Dr. Clarke presented at GTCbio's New Applications for Aging Research conference in January 2008. His presentation received highest ratings and ignited active discussion. The Cutting Edge Talk Show was moved by Dr. Clarke's outstanding speech and decided to schedule a separate interview. The interviewers briefly touch on Dr. Clarke's work and ask questions that may be of interest to non-scientists.
  • Enols and tautomerism (1) Organic chemistry: Enols and enolates; tautomerism. Racemization at an α-carbon; deuterium exchange at an α-carbon. Enols as nucleophiles; acid-catalyzed α-halogenation. Boiling point of aldehydes and ketones This is a recording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance- For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: (1) Enols and enolates (2) Continued. Tautomerism (3) Continued (4) Continued (5) Continued (6) Continued. Racemization at an α-carbon (7) Continued. Deuterium exchange at an α-carbon (8) Continued. Enols as nucleophiles (9) Acid-catalyzed α-halogenation (10) Continued. Boiling point of aldehydes and ketones
  • Enols and tautomerism (2) Organic chemistry: Enols and enolates; tautomerism. Racemization at an α-carbon; deuterium exchange at an α-carbon. Enols as nucleophiles; acid-catalyzed α-halogenation. Boiling point of aldehydes and ketones This is a recording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance- For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: (1) Enols and enolates (2) Continued. Tautomerism (3) Continued (4) Continued (5) Continued (6) Continued. Racemization at an α-carbon (7) Continued. Deuterium exchange at an α-carbon (8) Continued. Enols as nucleophiles (9) Acid-catalyzed α-halogenation (10) Continued. Boiling point of aldehydes and ketones
  • 32. Stereotopicity and Baeyer Strain Theory Freshman Organic Chemistry (CHEM 125) Why ethane has a rotational barrier is still debatable. ***yzing conformational and configurational stereotopicity relationships among constitutionally equivalent groups reveals a subtle discrimination in enzyme reactions. When Baeyer suggested strain-induced reactivity due to distorting bond angles away from those in an ideal tetrahedron, he assumed that the cyclohexane ring is flat. He was soon corrected by clever Sachse, but Sachse's weakness in rhetoric led to a quarter-century of confusion. Complete course materials are available at the Open Yale Courses website: open.yale.edu This course was recorded in Fall 2008.
  • 28. Stereochemical Nomenclature; Racemization and Resolution Freshman Organic Chemistry (CHEM 125) Determination of the actual atomic arrangement in tartaric acid in 1949 motivated a change in stereochemical nomenclature from Fischer's 1891 genealogical convention (D, L) to the CIP scheme (R, S) based on conventional group priorities. Configurational isomers can be interconverted by racemization and epimerization. Pure enantiomers can be separated from racemic mixtures by resolution schemes based on selective crystallization of conglomerates or temporary formation of diastereomers. Complete course materials are available at the Open Yale Courses website: open.yale.edu This course was recorded in Fall 2008.

Blogs & Forum
blogs and forums about racemizes

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  • “autonomous (independent) in that its activities are not under direct concerned primarily with visceral functions—cardiac output, blood flow to various”
    — SECTION II - AUTONOMIC DRUGS, blog.lib.umn.edu

  • “The racemases enzyme family catalyze the interconversion of both substrate enantiomers (phenylalanine racemase, EC 5.1.1.11, GS1) racemizes phenylalanine in the thioester-bound”
    — Identification and characterization of racemases, definition,

  • “The best of the rest from the Physics arXiv this week: The Physics arXiv Blog produces daily coverage of the best new ideas from an online forum called the Physics arXiv on which scientists post early”
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