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Showing 1 to 20 of 7986 for “"molecules"”.
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Controlling molecules with lasers and lasers with molecules
I investigate quantum control of spin in molecules using shaped ultrafast lasers and the dynamics of those lasers when their cavities are modified to include programmable molecular masks. The ability to control quantum phenomena has had several large successes over the last decade. This field, …
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On decelerating molecules
Massachusetts Institute of Technology. Dept. of Physics. Thesis. 1967. Ph.D.
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Complex Molecules in Galactic Dust Cores: Biologically Interesting Molecules and Dust Chemistry
In Chapter 5, we show that HCOOH appears to exist ubiquitously in dense molecular cores in either solid or gas phase. The detected HCOOH sources are good candidate targets for future acetic acid and glycine searches. Preliminary results from new 1 mm band observations toward Sgr B2 and Orion KL are …
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Small Molecules Binding to Serpins
Serpins are a unique breed of proteins due to their enzymatic mechanism. Two systems were closely monitored during fluorescent binding studies, the ACT-CHY along with the AT:TRY interaction. Four different conformational variants of each system were studied including the native, cleaved, latent and …
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Electron-impact ionization of molecules
"Electron-impact ionization of molecules has been a fascinating and intriguing subject for decades. For high incident-electron energy ( ̃thousand eV), the collision dynamics has been well described by the plane wave impulse approximation (PWIA) for most molecules. For intermediate and low …
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Detection of Biologically Important Molecules
… influenced the development of other indicator molecules discussed in the previous chapters. In the last chapter, I reported the synthesis of a cysteine-conjugated rhodamine dye and its application in the selective detection of α-dicarbonyl compounds and a DNA lesion marker. These ongoing …
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Photodissociation Dynamics of Small Molecules
Energy disposal into CN (product) degrees-of-freedom following photolysis of BrCN and NC=CN (cyanogen) upon absorption of a single 193 nm photon was investigated. Supersonic expansion in a molecular beam was utilized to obtain a narrow distribution of initial parent states. Laser induced …
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Inelastic Scattering of Dissociable Molecules
Made available in DSpace on 2014-12-13T20:10:19Z (GMT). No. of bitstreams: 1 7804145.pdf: 3464238 bytes, checksum: 923411b103a1aa21323d8de3e9d8992f (MD5) Previous issue date: 1977
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Optical Properties of Simple Molecules
… and on some highly excited states of tetrahedral molecules CH4 and SiH4, using two independent approaches. The results compare favorably both with the salient features of recent soft X-ray absorption experiments and with each other. Checks of the computational methods were made using neon and NH+4 …
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Organometallic molecules with nonrigid structures.
Massachusetts Institute of Technology. Dept. of Chemistry. Thesis. 1971. Ph.D.
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Forces and stresses in molecules
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1939.
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Thermal desorption of neutral molecules
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1998.
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Infrared spectra of adsorbed molecules
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1960.
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Nanophase Separation and Photochemical Reaction of Rodcoil Molecules, Reactive Liquid Crystal Molecules, and Binary Mixtures
… and nanostructures. A family of reactive block molecules referred to as ""rodcoils"" was synthesized for the purpose of forming nanostructures. In these reactive rodcoil molecules rod-like segments are covalently attached to less rigid coil-like segments. These rodcoil molecules were found to …
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Mechanical Properties of Individual Molecules : An Interface between the Structure and the Function of the Molecules
… the mechanical properties of individual molecules. The molecular receptor-ligand pair of avidin and biotin was used as a model system to establish our technique. Optical tweezers created the possibility to position the microsphere into close proximity of the surface and to define the …
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Energy and heat transport in molecules
… were estimated for the small organic molecules, alkylbenzenes, in the liquid phase. Boundary conductance and its common properties were calculated for the three different types of molecular junction and interfaces. The molecular junction we have studied here are water-sugar-gold …
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Functional DNA Aptamers as Biotherapeutic Molecules
… peptides, proteins, drugs, organic and inorganic molecules with high affinity and specificity. Aptamers are derived using combinatorial libraries comprised of a variable region flanked by two primer regions used for a process termed Systematic Evolution of Ligands by Exponential Enrichment …
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Biochemical Evaluation of Lignin-like Molecules
… low molecular weight lignin (LMWL) like biomacromolecules, which were found to be direct inhibitors of thrombin and factor Xa, acting through a unique exosite-2 mediated process. To elucidate the structural basis of this mechanism, we studied unsulfated and size fractionated LMWLs. Detailed …
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