Search Results - "Joshi, Prasad Ramesh"

Production and isolation of OH radicals in water ice by Zins, Emilie-Laure, Joshi, Prasad Ramesh, Krim, Lahouari

“…OH radicals may play an important role in reactions that take place on interstellar icy grain surfaces, due to their high reactivity. Unfortunately, laboratory…”
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A chemical link between methylamine and methylene imine and implications for interstellar glycine formation by Joshi, Prasad Ramesh, Lee, Yuan-Pern

“…Methylamine CH 3 NH 2 is considered to be an important precursor of interstellar amino acid because hydrogen abstraction might lead to the aminomethyl radical…”
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Hydrogen‐atom tunneling reactions in solid para‐hydrogen and their applications to astrochemistry by Haupa, Karolina Anna, Joshi, Prasad Ramesh, Lee, Yuan‐Pern

“…H‐atom tunneling reactions play important roles in astrochemistry, but an understanding of these reactions is still in its infancy. The unique properties…”
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Interplay between hydrogen bonding and n→π interaction in an analgesic drug salicin by Singh, Santosh K, Joshi, Prasad Ramesh, Shaw, Robert A, Hill, J Grant, Das, Aloke

“…The competition and cooperation between weak intermolecular interactions are important in determining the conformational preferences of molecules…”
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The NO and non-energetic OH radical reactivity: characterization and reaction scheme by Joshi, Prasad Ramesh, Zins, Emilie-Laure, Krim, Lahouari

“…The solid phase reaction between NO and non-energetic OH radicals was investigated using helium as a dilution medium at 3 K. The species generated were…”
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Identification of HOC • HC(O)H, HOCH 2 C • O, and HOCH 2 CH 2 O • Intermediates in the Reaction of H + Glycolaldehyde in Solid Para -Hydrogen and Its Implication to the Interstellar Formation of Complex Sugars by Joshi, Prasad Ramesh, Lee, Yuan-Pern

“…Glycolaldehyde [HOCH C(O)H, GA], the primitive sugar-like molecule detected in the interstellar medium (ISM), is a potential precursor for the synthesis of…”
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Identification of HOC•HC(O)H, HOCH2C•O, and HOCH2CH2O• Intermediates in the Reaction of H + Glycolaldehyde in Solid Para-Hydrogen and Its Implication to the Interstellar Formation of Complex Sugars by Joshi, Prasad Ramesh, Lee, Yuan-Pern

“…Glycolaldehyde [HOCH2C­(O)­H, GA], the primitive sugar-like molecule detected in the interstellar medium (ISM), is a potential precursor for the synthesis of…”
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P⋯N type pnicogen bonding in phosphorus trichloride–pyridine adduct: A matrix isolation infrared, DFT and ab initio study by Joshi, Prasad Ramesh, Sankaran, K.

“…Matrix isolation infrared spectroscopy in low temperature N2 matrices with the support of Density Functional Theory (DFT) and ab initio computations have been…”
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Unique Applications of para-Hydrogen Matrix Isolation to Spectroscopy and Astrochemistry by Weber, Isabelle, Joshi, Prasad Ramesh, Anderson, David T., Lee, Yuan-Pern

“…Cryogenic solid para-hydrogen (p-H2) exhibits pronounced quantum effects, enabling unique experiments that are typically not possible in noble-gas matrices…”
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Spectral Evidence of Bevel-Gear-Type Rotation of Benzene around Br in Solid p‑H2: Infrared Spectrum of the C6H6Br Radical by Tsai, Huei-Ru, Joshi, Prasad Ramesh, Witek, Henryk A., Lee, Yuan-Pern

“…Whether the structure of C6H6X (X = halogen), an intermediate in the halogenation of benzene, is an open or a bridged form has been debated. We produced Br to…”
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Spectral Evidence of Bevel-Gear-Type Rotation of Benzene around Br in Solid p -H 2 : Infrared Spectrum of the C 6 H 6 Br Radical by Tsai, Huei-Ru, Joshi, Prasad Ramesh, Witek, Henryk A, Lee, Yuan-Pern

“…Whether the structure of C H X (X = halogen), an intermediate in the halogenation of benzene, is an open or a bridged form has been debated. We produced Br to…”
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Evidence for Phosphorus Bonding in Phosphorus Trichloride–Methanol Adduct: A Matrix Isolation Infrared and ab Initio Computational Study by Joshi, Prasad Ramesh, Ramanathan, N, Sundararajan, K, Sankaran, K

“…The weak interaction between PCl3 and CH3OH was investigated using matrix isolation infrared spectroscopy and ab initio computations. In a nitrogen matrix at…”
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Phosphorous bonding in PCl3:H2O adducts: A matrix isolation infrared and ab initio computational studies by Joshi, Prasad Ramesh, Ramanathan, N., Sundararajan, K., Sankaran, K.

“…[Display omitted] •Non-covalent interaction between PCl3 and H2O studied using matrix isolation infrared spectroscopy.•Experimental evidence obtained for…”
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Non-energetic, Low-Temperature Formation of Cα‑Glycyl Radical, a Potential Interstellar Precursor of Natural Amino Acids by Schneiker, Anita, Góbi, Sándor, Joshi, Prasad Ramesh, Bazsó, Gábor, Lee, Yuan-Pern, Tarczay, György

“…The reaction of H atoms with glycine was investigated at 3.1 K in para-H2, a quantum-solid host. The reaction was followed by IR spectroscopy, with the…”
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Hydrogen Abstraction of Acetic Acid by Hydrogen Atom to Form Carboxymethyl Radical •CH 2 C(O)OH in Solid para -Hydrogen and Its Implication in Astrochemistry by Joshi, Prasad Ramesh, How, Kylie Chia-Yee, Lee, Yuan-Pern

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Gas phase reaction of phosphorus trichloride and methanol: Matrix isolation infrared and DFT studies by Joshi, Prasad Ramesh, Ramanathan, N., Sundararajan, K., Sankaran, K.

“…Gas phase reaction of phosphorus trichloride (PCl3) and methanol (CH3OH) was carried out with different ratios of PCl3:CH3OH:N2 (1:1:1000, 1:2:1000 and…”
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A new way to produce and isolate the OH-(H 2 O) complex: Producing and isolating the OH-(H 2 O) complex by Zins, Emilie-Laure, Joshi, Prasad Ramesh, Krim, Lahouari

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A new way to produce and isolate the OH-(H2O) complex by Zins, Emilie-Laure, Joshi, Prasad Ramesh, Krim, Lahouari

“…Abstract In interstellar media, in which water is present as a major species, OH radicals can form following irradiation by energetic cosmic rays. Laboratory…”
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Reactivity Between Non-Energetic Hydroxyl (OH) Radicals and Methane (CH4) by Zins, Emilie-Laure, Pirim, Claire, Joshi, Prasad Ramesh, Krim, Lahouari

“…Reactions between dilute methane and nonenergetic hydroxyl radicals were carried out at 3.5 K. The temperature was kept low in order to characterize the…”
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Hydrogen Abstraction of Acetic Acid by Hydrogen Atom to Form Carboxymethyl Radical •CH2C(O)OH in Solid para-Hydrogen and Its Implication in Astrochemistry by Joshi, Prasad Ramesh, How, Kylie Chia-Yee, Lee, Yuan-Pern

“…Acetic acid CH3C­(O)­OH attracts significant attention in interstellar chemistry because it is considered to be a potential precursor for the formation of…”
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