Muonium behavior in N-acetylglycine-N-methylamide

In muon spin rotation and relaxation (mSR) method, theoretical work using first-principles calculations helps to understand the stopping sites and charge states of muon in the sample materials. To support the mSR measurement on protein and DNA, a systematic first-principles study starting from the...

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Main Author: Amba Datt Pant
Format: Article
Language:English
Published: Department of Physics, Mahendra Morang Adarsh Multiple Campus, Tribhuvan University 2021-06-01
Series:Bibechana
Subjects:
Online Access:https://www.nepjol.info/index.php/BIBECHANA/article/view/35761
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author Amba Datt Pant
author_facet Amba Datt Pant
author_sort Amba Datt Pant
collection DOAJ
description In muon spin rotation and relaxation (mSR) method, theoretical work using first-principles calculations helps to understand the stopping sites and charge states of muon in the sample materials. To support the mSR measurement on protein and DNA, a systematic first-principles study starting from the constituents of the protein has been performed. In this work, the behavior of muonium (Mu = m+e-, bound state of a muon and an electron which is like a light isotope of H atom with similar chemical properties) in a N-acetylglycine-N-methylamide (AGMA), a part of peptide bond, is presented. It is found that the stopping site of Mu is around O of unsaturated bonds between C and O in the AGMA. Further calculations towards whole protein and DNA will be performed to support mSR studies. BIBECHANA 18 (2) (2021) 138-142
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spelling doaj.art-823291731a234b5fb6be660c4fb14a782024-04-23T13:05:04ZengDepartment of Physics, Mahendra Morang Adarsh Multiple Campus, Tribhuvan UniversityBibechana2091-07622382-53402021-06-0118210.3126/bibechana.v18i2.35761Muonium behavior in N-acetylglycine-N-methylamideAmba Datt Pant0Institute of Materials Structure Science, High Energy Accelerator Research Organization In muon spin rotation and relaxation (mSR) method, theoretical work using first-principles calculations helps to understand the stopping sites and charge states of muon in the sample materials. To support the mSR measurement on protein and DNA, a systematic first-principles study starting from the constituents of the protein has been performed. In this work, the behavior of muonium (Mu = m+e-, bound state of a muon and an electron which is like a light isotope of H atom with similar chemical properties) in a N-acetylglycine-N-methylamide (AGMA), a part of peptide bond, is presented. It is found that the stopping site of Mu is around O of unsaturated bonds between C and O in the AGMA. Further calculations towards whole protein and DNA will be performed to support mSR studies. BIBECHANA 18 (2) (2021) 138-142 https://www.nepjol.info/index.php/BIBECHANA/article/view/35761MuonMuoniumAmino acidPeptide bondProtein
spellingShingle Amba Datt Pant
Muonium behavior in N-acetylglycine-N-methylamide
Bibechana
Muon
Muonium
Amino acid
Peptide bond
Protein
title Muonium behavior in N-acetylglycine-N-methylamide
title_full Muonium behavior in N-acetylglycine-N-methylamide
title_fullStr Muonium behavior in N-acetylglycine-N-methylamide
title_full_unstemmed Muonium behavior in N-acetylglycine-N-methylamide
title_short Muonium behavior in N-acetylglycine-N-methylamide
title_sort muonium behavior in n acetylglycine n methylamide
topic Muon
Muonium
Amino acid
Peptide bond
Protein
url https://www.nepjol.info/index.php/BIBECHANA/article/view/35761
work_keys_str_mv AT ambadattpant muoniumbehaviorinnacetylglycinenmethylamide