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Dna chirality



Chirality is a property of asymmetry important in several branches of science. The word "chirality" comes from the Greek χειρ, "hand", a familiar chiral object. Object or system is chiral if it differs from its mirror image, that is, it can not be imposed on him. Conversely, the mirror image achiral object, such as a sphere, cannot be separated from the object. A chiral object and its mirror image are called enantiomorphs Greek "opposite forms" or, when referring to molecules, enantiomers. Not a chiral object is called achiral sometimes amphichiral and can be superimposed on its mirror ima ...


Inherent chirality

In chemistry, inherent chirality is a property of asymmetry of the molecules, arising not from a stereogenic or chiral center, but from the twisting of the molecule in 3-D space. The term was first coined Volker böhmer in review 1994 to describe the chirality calixarenes related to their non-planar structures in 3-D space. This phenomenon has been described as the result of "the lack of space symmetry or an inversion center in the molecule as a whole." Boehmer explains this phenomenon, suggesting that if the original chiral macrocycle calixarenes were opened it would produce an "achiral li ...


Planar chirality

Planar chirality is a special case of chirality for two dimensions. Most importantly, planar chirality is a mathematical term which finds wide application in chemistry, physics and exact Sciences, e.g. astronomy, optics and metamaterials. Recent developments in the latter two areas are dominated microwave applications and the micro - and nanostructured planar interfaces for visible and infrared light.



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Brigadier Mohammed Sani Sami was Governor of Bauchi state, Nigeria from January 1984 to August 1985 during the military regime of General muhammadu Buhari.



DNADynamo is a commercial DNA sequence analysis software package, produced by Blue tractor software that runs on Windows, Mac OS X and Linux it is used in molecular biology for DNA and protein sequences. Free demo version available to the software developers website.



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Journey to Silius, known in Japan as the gross world is a side-scrolling run and gun video game developed and published by each for the Nintendo entertainment system in 1990. Journey to Silius was originally based on the 1984 film "the Terminator", but licensing the rights to the film were lost during development. The graphics and storyline were altered to accommodate this change.


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Da Nang-Praia Maeyuhua Sri Sudachan was the Queen of Ayutthaya marriage to the king Chairacha of Ayutthaya. After his death, between 1546 and 1548, she served as Regent for his son Yot FA. According to the Chronicles of that time, she was responsible for the murder of both sovereigns. The second accomplice of a regicide was her lover Phan but Sri Thep that Sudachan Sri, he was appointed the first co-Regent and then king called Khun Worawongsathirat. Faced a good part of the court, they were victims of an ambush the nobles of Sukhothai clans and was executed a few weeks after Worawongsathir ...

  • Chirality kaɪˈrælɪtiː is a property of asymmetry important in several branches of science. The word chirality is derived from the Greek χειρ kheir
  • have this particular chirality or indeed whether life needs to be homochiral. Protein chains built from amino acids of mixed chirality tend not to fold or
  • DNA nanotechnology is the design and manufacture of artificial nucleic acid structures for technological uses. In this field, nucleic acids are used as
  • Homochirality is a uniformity of chirality or handedness. Objects are chiral when they cannot be superposed on their mirror images. For example, the left
  • calicheamicin y 1I Chirality 23 8 660 671. doi: 10.1002 chir.20990. PMID 21800378. Sugiura, Y. Shiraki, T. Konishi, M. Oki, T. 1990 DNA intercalation
  • DNA - binding proteins from starved cells DPS are proteins that belong to the ferritin superfamily and are characterized by strong similarities but also
  • the hydroxyl group at the 4 carbon of the sugar - it has the opposite chirality - which may account for its faster elimination and reduced toxicity. Epirubicin
  • Chirality is another property that a DNAzyme can exploit. DNA occurs in nature as a right - handed double helix and in asymmetric synthesis a chiral catalyst
  • chemical synthesis of DNA RNA, and other nucleic acids and their analogs. Certain phosphoramidites are also used as monodentate chiral ligands in asymmetric
  • is an anthracycline antileukemic drug. It inserts itself into DNA and prevents DNA unwinding by interfering with the enzyme topoisomerase II. It is
  • 2004 Reversible optical transcription of supramolecular chirality into molecular chirality Science. 304 5668 278 281. Bibcode: 2004Sci...304..278D
  • analyzing DNA structure. In 1989, Barton moved to Caltech, where her research has focused on charge transport in DNA By using specially - designed chiral metal
  • complementary natural DNA In dependence of the bases, parallel DNA could be synthesized for pyrimidine bases in which the chirality of phosphorus was decisive
  • constituent of RNA, and the related molecule, deoxyribose, is a constituent of DNA Phosphorylated pentoses are important products of the pentose phosphate
  • in DNA for transcription. Daunorubicin stabilizes the topoisomerase II complex after it has broken the DNA chain for replication, preventing the DNA double
  • is a researcher in the field of DNA nanotechnology and is best known for his work on DNA nanomachines and dynamic DNA - based systems. Simmel received a
  • Isomerism ˈaɪsəməˌrɪzəm, aɪˈsɒ - refers to the existence of isomers. Chirality chemistry Cis - trans isomerism Cyclohexane conformation Electromerism
  • amino acid Haplogroup R mt DNA a human mitochondrial DNA mt DNA haplogroup Haplogroup R Y - DNA a Y - chromosomal DNA Y - DNA haplogroup ATC code R Respiratory
  • DNA complex the covalent complex resulting in a ternary complex, and thereby stabilizing it. This prevents DNA re - ligation and therefore causes DNA
  • conformation. Nucleic acid design is central to the fields of DNA nanotechnology and DNA computing. It is necessary because there are many possible sequences
  • configures a trans - lactone, which has more activity than the cis counterpart. Chirality at C - 1 is also important as it implies an axial position for ring E. The
  • which self - replicating RNA molecules proliferated before the evolution of DNA and proteins. The term also refers to the hypothesis that posits the existence
  • 25 February 2005 Knotting and Threading of Molecules: Chemistry and Chirality of Molecular Knots and Their Assemblies Angewandte Chemie International
  • a complex molecule. Recently, it has been shown that trabectedin blocks DNA binding of the oncogenic transcription factor FUS - CHOP and reverses the transcriptional
  • colloidal suspensions of 2 - D materials or nanosheets. The chiral nematic phase exhibits chirality handedness This phase is often called the cholesteric
  • towards the observer, then it is a left - handed helix. Handedness or chirality is a property of the helix, not of the perspective: a right - handed helix
  • and complex biopolymers such as muscle proteins myosin, for example and DNA While the fundamental quantity associated with the infrared absorption is
  • DNA structure is dominated by the well - known double helix formed by Watson - Crick base - pairing of C with G and A with T. This is known as B - form DNA
  • coherent molecular wires 1998, discovery that carbon nanotubes act as chirality - dependent.semiconductors or metals and discovery of room - temperature
  • 2008 Crystallization of Ultrathin Films of Polylactides: From Chain Chirality to Lamella Curvature and Twisting Macromolecules. 41 5 1705 1712
  • azinomycin B DNA crosslink Developed the first fluorescent probe for studying ultrafast DNA dynamics Published the first comprehensive study of the DNA binding
  • molecular units e.g., bases or sugars in their nucleic acids, having a chirality opposite of ours, using some of the non - standard amino acids, or using
  • 2006 it was shown to increase the mRNA expression levels of two DNA repair enzymes, DNA pol beta and OGG1, specifically in prostate cancer cells. Like
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