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The Scientist: NewsBlog:
Take drug additive, not drug?
Posted by Alison McCook [Entry posted at 26th January 2009 09:43 PM GMT]
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Return to Top comment: The chemical may act on Apoe4 by Steven Brenner [Comment posted 2009-01-29 23:39:12] This is quite interesting in that cholesterol trafficking may be involved, especially since one of the biggest Alzheiemr disease risk factors is the Apoe4 gene, which is apparently involved in cholesterol and lipid trafficking, while the Apoe2 gene is protective, reducing the risk for development of Alzheimer. If the Apoe4 gene metabolism, the Apoe4 risky metabolism can be converted to Apoe2 gene metabolism, the protective metabolism, it could lead to a treatment, perhaps a "disease modifying" treatment for Alzheimer's disease. Return to Top comment: Heart line breaking the fate line at 58 indicating an increase in cholestrol level for heart attcak as earlier detection by Sankara Velayudhan Nandakumar [Comment posted 2009-01-27 23:14:59] Poligonal phase convergence and related affined emissions out of such crystallised medicines contributing a cholestrol level decrease due to Linus Paulin polygon symmetry breaking is really is surprising and can be applied well in advance at 58 th year for those who are having the palm print of "heart line breaking the fate line" indicating surprisingly, a preplanned heart attack due to increase in cholestrol levels,as investigated by Oxford astro genetics dn,uk. Return to Top comment: Drug additive indicating chrosomal abnormalities by Sankara Velayudhan Nandakumar [Comment posted 2009-01-27 22:55:26] Crystal lattice plane of hologram for optical frequency combing of coherence and chaotic emissions interpret a genetic continuity and discontinuity-reg [Incident: 090127-000101}nes@nature.com
There has always been such complaints about using of such addictive drugs even to win sportive activities to win the race in Geremany which was seriously investigatedled to female turing male genetic activity for chromosomal changes involved which was finalised as criminal offence.This may give a clue for "Robin Cook novel" and a "Hollywood film" under steroid applications. Normally Brain line of the plam print drooping downwards due to Lunar -Venus Glauber gravity stimulated frequency converged stimulations on basic stem cells along helium laser biostimulation hologram planes. Crystal lattice plane of hologram for optical frequency combing of coherence and chaotic emissions interpret a genetic continuity and discontinuity-reg [Incident: 090127-000101 news@nature.com] Oxford astro genetics dept is interested in Hologram crystal lattices to be made references along Frequency optical combing from coherence to chaotic emissions on the planetary boundary must have a meaning on human genetic holograms out of sun's emissions and interference at the planetary boundaries as helium cluster emissions can be interpreted by the palm print of brain line ,fate line and sun line may be evaluated on genetic plane of efficiency as a comparative marker. This means there is definite interference along the crystal lattice oscillations of space with reference to ever changing magnetic field emissions of solar boundary controlling the genetic activity of human beings which requires a thorough investigation. This decides further breaking symmetry of genetic planes for further higher plane evolutions. The university astro mathematics team is intersted in evaluation of Euler-Fourier mathematical function f(x)that may be applied along helium crystal lattice collections at the planetary boundaries and Glauber laser spectrum emissions in understanding the concept of genetic continuity and discontinuous Glauber laser emissions related genetic biostimulations at the point of genetic continuity and discontinuity with reference to solar magnetic field crystallographic oscillations along frequency converged emissions of spectrum analysis on the planetary boundaries along the plane of genetic hologram. There are two important parameters of an optical lattice: the well depth and the periodicity. The well depth of the optical lattice can be tuned in real time by changing the power of the laser, which is normally controlled by an AOM (acousto-optic modulator). The periodicity of the optical lattice can be tuned by changing the wavelength of the laser or by changing the relative angle between the two laser beams. The real-time control of the periodicity of the lattice is still a challenging task. Because the wavelength of the laser cannot be varied over a large range in real time, the periodicity of the lattice is normally controlled by the relative angle between the laser beams.[4] However, it is difficult to keep the lattice stable while changing the relative angles, since the interference is sensitive to the relative phase between the laser beams. Recently, a novel method of real-time control of the lattice periodicity was demonstrated,[5] in which the center fringe moved less than 2.7 μm while the lattice periodicity was changed from 0.96 to 11.2 μm. Whether this method can keep atoms (or other particles) trapped while changing the lattice periodicity remains to be tested experimentally. Such accordion lattices are useful for controlling ultracold atoms in optical lattices, where small spacing is essential for quantum tunneling, and large spacing enables single-site manipulation and spatially resolved detection. Besides trapping cold atoms, optical lattices have been widely used in creating gratings and photonic crystals. They are also useful for sorting microscopic particles,[6] and may be useful for assembling cell arrays. An optical lattice is able to trap an atom because the electric fields of the lasers induce an electric dipole moment in the atom. The interaction between this dipole moment, which is oscillating, and the electric field of the laser modifies the energy of the atom. If the laser frequency is less than a specific electronic transition frequency within an atom, the atoms are pulled towards the regions of maximum laser intensity. However, if the laser frequency is higher than the transition frequency, the atoms are pushed away from the maxima. Either way the atoms can be trapped in the bright or dark regions of the optical lattice, and the strength of the optical potential confining the atoms can be increased by turning up the laser intensity . An optical lattice is simply a set of standing wave lasers. The electric field of these lasers can interact with atoms - the atoms see a potential and therefore congregate in the potential minima. In the case of a typical one-dimensional setup, the wavelength of the opposing lasers is chosen so that the light shift is negative. This means that the potential minima occur at the intensity maxima of the standing wave. Furthermore, the natural beam width can constrain the system to being one-dimensional. To keep the atoms from distributing over too large a distance, the lattice is superimposed with an additional trap. This trap is generated by a dipole laser beam focused at the position of the atom cloud. Perpendicular to the beam axis, this creates a Gaussian intensity profile. For small excursions from the trap centre this is a near harmonic trap. Along the beam axis, the trapping frequency is too low, though: atoms could spread out many 100 ?m. To close the trap in this direction, a second (and later a third) perpendicular laser beam is focussed onto the atom cloud. If one of these laser beams is now collimated after passing through the atom cloud and retro-reflected on a mirror, the intensity and thus the trap-depth at the trap centre is doubled. But now a standing wave forms, with its first node at the surface of the retro-reflecting mirror. The interference pattern extends back to the atom cloud, producing an intensity modulation with a distance of half the laser wavelength between intensity maxima. A 2D or 3D lattice is formed by also retro-reflecting the other laser beams. The standing waves intersect and lattice sites are where all standing waves have an intensity maximum. Consider the oblate traps of one standing wave as parallel planes. Then two perpendicular groups of planes intersecting with each other form an array of cigar-shaped traps in a regular 2D lattice. A third group of parallel planes divides these 2D lattice sites into spherically symmetric traps arranged in a 3D optical lattice. S.Nandakumar ,astro genetics dept,uk on behalf of hubble-nasa ?oxford space science coordination Return to Top comment: Cholesterol at the Cyclodextrin Corral by James Wilmer [Comment posted 2009-01-27 12:22:01] This is a very interesting article. Beta-Cyclodextrin, a seemingly inert additive, has exhibited significant drug activity. It is disconcerting to discover than this material is apparently resistant to enzymatic degradation and can be carried into or diffuse inside cells. This substance is being used increasingly as a delivery vehicle for lipophilic drugs and nutritional supplements. Why wouldn't an oddly shaped molecule have been given closer scrutiny for biological activity? Return to Top comment: The Trap of Statistics by Paul Stein [Comment posted 2009-01-27 12:18:40] Ohm readily points out the problem that every investigator must realize about statistics. With large numbers of animals per group and tight standard deviations, one can get a P<0.0001 when there is a 10% or less difference; something that is clinically insignificant (dictionary, not statistical, definition).
The results of this research, however, are quite interesting. Once the experimentation expands in cats, experimental design improving the dosage regimens may begin to produce true clinically significant results. At the very least, newer, more potent drugs, based on the cyclodextrin model may be developed giving better patient outcomes. In addition, combination therapies should produce compounding effects. Comment on this blog |