cryochemical synthesis structure and physicochemical properties

Structure and physicochemical properties of the Aβ42 tetramer: Multiscale molecular dynamics simulations

Structure and physicochemical properties of the Aβ42 tetramer: Multiscale molecular dynamics simulations

... (4833 and 5027 Å2) and Brown and Bevan49 (∼5400 Å2) In the case of the AMBER99SB-ILDN force field, clusters and have consistent values with the compact structure (4833 Å2) and extended structure ... helix structure is lower than in REMD, and in both cases, the propensities are low (Tables and 2) For 2NAO, the beta content is about 40 and 35% in Amber and OPLS, respectively (Table 2), and these ... All-atom structures of five clusters (ZIP) rmsd of docking structures with structure is the reference structure; Cα-rmsd (Å) between representative structures from all-atom MD simulations and the

Ngày tải lên: 13/01/2020, 07:30

17 40 0
Synthesis crystal structure and spectral properties of copper ii 2 chloronicotinato complexes with n heterocyclic ligands

Synthesis crystal structure and spectral properties of copper ii 2 chloronicotinato complexes with n heterocyclic ligands

... unidentate ligand, as a chelating ligand, as a bridging ligand, or as a monoatomic bridging ligand This causes the existence of a rich family of compounds with various structures (DEACON and PHILLIPS ... Sketch and abbreviations of 2-chloronicotinate and N-heterocyclic ligands Material and Methods 2.1 Chemical reagents, analysis and physical measurements All used chemicals were of reagent grade and ... positions of band to the skeletal vibrations for 4-py (802 and 995 cm-1) and 3,5-py (858 and 1064 cm-1) for free ligands are shifted to higher wavenumbers 847, 1033 cm-1; complex 2, and 867, 1064

Ngày tải lên: 19/03/2023, 15:26

10 0 0
Investigation on the structure and magnetic properties of co2mnsi heusler alloy for spintronic application

Investigation on the structure and magnetic properties of co2mnsi heusler alloy for spintronic application

... which, the structures, magnetic properties and interfacial morphologies of these MgO buffered CMS thin films were studied. 3) Cr was used as the buffer layer. The structures and magnetic properties ... the structures and magnetic properties of Co2 MnSi (CMS) Heusler alloy thin films for spintronic application. It would 23 provide guidance on the understanding of structural and magnetic properties ... buffer layer MgO and Cr on structure and magnetic properties of Co2 MnSi thin films” (Submitted to Journal of Alloys and Compounds). 76 References 1 Elizabeth A. Dobisz, Zvonomir Z. Bandic, Tsai-Wei

Ngày tải lên: 16/10/2015, 12:00

100 550 0
THE INFLUENCE OF COBALT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF nimnsbb2 HEUSLER ALLOYS

THE INFLUENCE OF COBALT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF nimnsbb2 HEUSLER ALLOYS

... characteristic and magnetic refrigeration measurement 32 CHAPTER III: RESULTS AND DISCUSSION 33 3.1 Crystalline structure of NiMnSbB2 and NiMnSbCo1B2 33 3.2 Magnetic properties ... MCE and small MCE effects Transition from a point out of the top categories MCE sharp and big MCE effects The scientists also discovered the coexistence of Gd5Si1.7Ge2.3’s structure, phase and ... UNIVERSITY OF SCIENCE FACULTY OF PHYSICS Vu Thi Huong THE INFLUENCE OF COBALT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF NiMnSbB2 HEUSLER ALLOYS Submitted in partial fulfillment of the requirements

Ngày tải lên: 24/06/2016, 12:58

48 701 0
DSpace at VNU: Free-standing silicene obtained by cooling from 2D liquid Si: structure and thermodynamic properties

DSpace at VNU: Free-standing silicene obtained by cooling from 2D liquid Si: structure and thermodynamic properties

... electronic structure and nanoribbon width dependence of the band gap or effects of hydrogen termination by ab initio calculations [18, 19] The size, shape and edge effects on the structure and properties ... far, our understanding of the structure and thermodynamics of silicene is still poor There is no simulation work related to the formation, structure and thermodynamics of free-standing silicene ... free-standing silicene obtained by cooling from the melt; substrate effects on the structure and properties of supported silicene will be left for future work However, both free-standing and supported

Ngày tải lên: 16/12/2017, 06:08

10 110 0
DSpace at VNU: A systematic study of influence of ligand substitutions on the electronic structure and magnetic properties of Mn-4 single-molecule magnets

DSpace at VNU: A systematic study of influence of ligand substitutions on the electronic structure and magnetic properties of Mn-4 single-molecule magnets

... Note that the Type-I and Type-II* structures correspond to i = and 5, and structures corresponding to o i o are the transition structures between the Type-I and Type-II* structures Fig displays ... will the geometric structure, electronic structure, and magnetic properties of Mn4 molecules be controlled by substituting peripheral-ligand couple (L1,L2) Three kinds of ligand couple (L1,L2) ... influence of ligand substitutions on the geometric structure, electronic structure, and magnetic properties of Mn4 single-molecule magnets (SMMs), in order to investigate the role of ligands in controlling

Ngày tải lên: 16/12/2017, 17:21

13 158 0
Summary of chemistry doctoral thesis: Study on synthesis, characteristics, and adsorption properties of toxic organic substances in the water environment of mesoporous carbon materials

Summary of chemistry doctoral thesis: Study on synthesis, characteristics, and adsorption properties of toxic organic substances in the water environment of mesoporous carbon materials

... VIETNAM ACADEMY OF AND TRAINING SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY OF SCIENCE AND TECHNOLOGY NGUYEN THI HONG HOA STUDY ON SYNTHESIS, CHARACTERISTICS AND ADSORPTION PROPERTIES OF ... CMQTBC(SBA-15) and CMQTBC(MCF) is similar to that of SBA-15 and MCF Figure 3.11 TEM images of CMQTBC(SBA-15) and CMQTBC(MCF) The structure of CMQTBC(SBA-15) and CMQTBC(MCF) samples have a hexagonal structure ... adsorption and wash with water and ethanol + methanol (methanol and ethanol 1: ratio, V = 60 ml) stir for hours at 60 ° C Then, the material is used to adsorb MB CHAPTER RESULTS AND DISCUSSION 3.1 Synthesis

Ngày tải lên: 09/01/2020, 15:17

28 44 0
Structure and magnetic properties of SrFe12O19/CoFe2O4 nanocomposite ferrite

Structure and magnetic properties of SrFe12O19/CoFe2O4 nanocomposite ferrite

... the magnetic properties of nanocomposite materials depend strongly on the grain size, structure and morphology of phases, distribution of the magnetically hard and soft phases, and impurity Numerous ... Key step in synthesis of ultrafine BaFe12O19 by sol-gel technique, J Magn Magn Mater 168 (1997) 196-202 [15] K W Moon, S G Cho, Y H Choa, K H Kim, and J Kim, Synthesis and magnetic properties ... particles and a strong exchange coupling In this work, SrFe12O19/CoFe2O4 nanocomposite have been prepared by sol- gel method Experiment Synthesis of SrFe12O19 and CoFe2O4 powders SrFe12O19 and CoFe2O4

Ngày tải lên: 13/01/2020, 07:27

10 51 0
Mineralogical and physicochemical properties of talc from Emirdağ, Afyonkarahisar, Turkey

Mineralogical and physicochemical properties of talc from Emirdağ, Afyonkarahisar, Turkey

... determined: i) talc and chlorite-bearing actinolite (E1), ii) actinolite-rich talc (E-2), iii) chlorite and calcite-bearing talc (E-3), and iv) pure talc (E-4) Talc, actinolite, and chlorite are dominant ... talc crystals, are associated mainly with actinolite and chlorite, and actinolites are mainly transformed into chlorite and talc Ni and Cr contents of the Emirdağ talcs are consistent with the ... and 4.8 wt.% of H2O (Grim 1968) Talc extracted from various localities shows different mineralogical, chemical, and physical properties; these features depend on their parent rock types, and origins

Ngày tải lên: 13/01/2020, 14:43

13 32 0
The physical and physicochemical properties of some Turkish thermal muds and pure clay minerals and their uses in therapy

The physical and physicochemical properties of some Turkish thermal muds and pure clay minerals and their uses in therapy

... chemical reaction and heat transfer between the peloid and the body (Yvon and Ferrand, 1996; * Correspondence: mzzclk@outlook.com Bettero et al., 1999) The rheological properties and the stickiness ... show different therapeutic and cosmetic effects, and their effects also depend on which materials are used The physicochemical and chemical properties of peloids and their therapeutic effects can ... solely the mineralogical and chemical properties of nine spa peloids In this study, the rheological and physicochemical properties of peloids are investigated and compared with those of pure

Ngày tải lên: 13/01/2020, 16:53

15 48 0
Synthesis, structure and toxicity evaluation of ethanolamine nitro/ chloronitrobenzoates: A combined experimental and theoretical study

Synthesis, structure and toxicity evaluation of ethanolamine nitro/ chloronitrobenzoates: A combined experimental and theoretical study

... 1650–1540 and 1450–1360 cm−1, arising from the asymmetric and symmetric vibrations of the C ­ OO− group and by the absence of bands at 1710–1680 cm−1, corresponding to carbonyl stretch (νC=O) and 1320–1210  ... majority synthetic and frequently employed as important intermediates for the synthesis of industrial chemicals, dyes, pigments and pharmaceutical drugs [1–3] The functional groups nitro and chloride ... [1–3] The functional groups nitro and chloride provide chemical and structural diversity and a significant impact on properties and reactivities of chemicals, making these compounds attractive

Ngày tải lên: 29/05/2020, 13:41

10 40 0
Electronic structure and thermoelectric properties of bi2se3 under oxygen substitution

Electronic structure and thermoelectric properties of bi2se3 under oxygen substitution

... The O substitutions into Se in the Bi2Se3 crystal forming the new? ?structure.  Due to the  strong  interaction  of  O  with  around  atoms,  the  formed  structure? ? is  to  be  asymmetric  and? ? distorted.  The  Bi2Se3  structure? ? is  a  rhombohedral  structure? ? ... electronic  structure? ? and? ? thermoelectric  properties? ?of Bi2Se3  under  of oxygen substitution  using  first-principles density  functional  theory (DFT) within local density approximation (LDA)? ?and? ?the semiclassical Boltzmann  ... HỌC  SỐ 20/2017   93 ELECTRONIC STRUCTURE AND THERMOELECTRIC PROPERTIES OF BI2SE3 UNDER OXYGEN SUBSTITUTION Tran Van Quang1, Dinh Thi Men2 University of Transport and Communications Hanoi National

Ngày tải lên: 28/06/2021, 19:38

10 5 0
N-heterocyclic carbenes bearing a naphthyl substituent and their metal complexes: synthesis, structure, and application in catalytic transfer hydrogenation

N-heterocyclic carbenes bearing a naphthyl substituent and their metal complexes: synthesis, structure, and application in catalytic transfer hydrogenation

... σ donors and significant π -acceptor ligands 10 The electronic properties can be modified by varying the number, nature, and position of the substituents on both the nitrogen atoms and the backbone ... imidazolin-2-ylidene ligand They are catalytically active catalysts for the reduction of ketones Results and discussion 2.1 Synthesis and characterization of naphthyl-substituted imidazolinium ligands Naphthyl-substituted ... Scheme Synthesis of imidazolinium salts 2.2 Synthesis and characterization of Ru(II) complexes Metal complexes with NHC ligand can be prepared by three major methods: (i) the free carbene ligands,

Ngày tải lên: 13/01/2022, 00:16

11 11 0
size dependent structure and magnetocaloric properties of fe based glass forming alloy powders

size dependent structure and magnetocaloric properties of fe based glass forming alloy powders

... dependence of the structure and properties is associated with the fact that a larger particle has a slower cooling rate and takes a longer time to form medium-to-long range ordered structures C 2016 ... the structure to reach more ordered states SEM backscattered electron and TEM experiments for several groups of powders were conducted to obtain an in-depth understanding of the microstructure and ... Size-dependent structure and magnetocaloric properties of Fe-based glass-forming alloy powders Qiang Luo, Fengxia Ye, Changjun Huang, Jin Jiao, Anisur Rahman, Peng Yu, Jie Li, and Jun Shen Citation:

Ngày tải lên: 04/12/2022, 16:20

10 1 0
Synthesis structure and carbon dioxide c

Synthesis structure and carbon dioxide c

... Synthesis, Structure, and Carbon Dioxide Capture Properties of Zeolitic Imidazolate Frameworks ANH PHAN, CHRISTIAN J DOONAN, FERNANDO J URIBE-ROMO, CAROLYN B KNOBLER, MICHAEL O’KEEFFE, AND ... successful and proved to be quite fruitful; within the last years over 90 new ZIF structures have been reported The recent application of high-throughput synthesis and characterization of ZIFs has expanded ... Preparation and Crystal Structure of the Manganese(II) and Zinc(II) Derivative of Imidazole Z Anorg Allg Chem 1980, 464, 187–194 28 Sturm, M.; Brandl, F.; Engel, D.; Hoppe, W Crystal Structure

Ngày tải lên: 15/03/2023, 16:34

10 1 0
Synthesis structural and adsorption properties and thermal stability of nanohydroxyapatite polysaccharide composites

Synthesis structural and adsorption properties and thermal stability of nanohydroxyapatite polysaccharide composites

... 1:1 and (c) 1:4 and nHAp/agar (d) 1:1 and (e) 1:4 (Fig 5c) show similar bands of the hydroxyl, ether, and carboxylic groups, as well as the O–H and C–H stretching vibrations of alginate Bands ... large amount of carboxyl (free and esterified), hydroxyl, methoxyl, and acetyl groups The bands at 2926 and 2852 cm−1 of the C–H stretching vibrations and a broad band with a maximum at 3445 cm−1 ... desired biological, physical, and mechanical properties Hydroxyapatite and its composites are of interest due to applications in medicine The physicochemical properties and biocompatibility make

Ngày tải lên: 19/03/2023, 15:21

12 0 0
DSpace at VNU: Synthesis and characterization of three-arm star-shaped conjugated poly(3-hexylthiophene)s: impact of the core structure on optical properties

DSpace at VNU: Synthesis and characterization of three-arm star-shaped conjugated poly(3-hexylthiophene)s: impact of the core structure on optical properties

... because of their compact structures and high segment densities These features affect the crystalline, mechanical and electrical properties and give rise to interesting properties such as suppressed ... the core structure plays a critical role in the aggregation of P3HT chains and hence optical properties, as evidenced by the UV − visible, DSC and XRD results A propeller-like core structure, ... has been devoted to the design and construction of nonlinear two- and three-dimensional conjugated macromolecules with star-shaped, disk-like and hyperbranched structures as multifunctional molecular

Ngày tải lên: 17/12/2017, 15:33

11 147 0
Abstract of Doctoral thesis: Research on the synthesis and characterization of structure and properties of TiO2-based Nanocomposite for the treatment of some pollutants in air enviroment

Abstract of Doctoral thesis: Research on the synthesis and characterization of structure and properties of TiO2-based Nanocomposite for the treatment of some pollutants in air enviroment

... activities - The synthesis of two nanostructured TiO2 photocatalyst materials (N-TiO2/Al2O3 and HA/N-TiO2) - Characterization of the structure, properties and composition of N-TiO2/Al2O3 and HA/N-TiO2 ... EDUCATION AND TRAINING VIETNAM ACADEMY OF SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY OF SCIENCE AND TECHNOLOGY - MA THI ANH THU RESEARCH ON THE SYNTHESIS AND CHARACTERIZATION OF STRUCTURE ... E.coli, B cefalacia and a fungal strain of Candida CHAPTER 3: RESULTS AND DISCUSSION 3.1 N-TiO2/Al2O3 material 3.1.1 Synthesis of N-TiO2/Al2O3 material The sol solutions and the materials N-TiO2/Al2O3

Ngày tải lên: 10/01/2020, 06:43

26 66 0
CRGP structure anlysis of the introduction part of the article physicochemical, antioxidant, and sensory properties of functional mango

CRGP structure anlysis of the introduction part of the article physicochemical, antioxidant, and sensory properties of functional mango

... MINH Học phần: Tiếng anh chuyên ngành CNTP CRGP Structure anlysis of the introduction part of the article Physicochemical, antioxidant, and sensory properties of functional mango (Mangifera indica ... • INTRODUCTION TO THE ARTICLE CRGP STRUCTURE IN INTRODUCTION SECTION COMMENT CONCLUSION INTRODUCTION TO THE ARTICLE Physicochemical, antioxidant, and sensory properties of functional mango (Mangifera ... salad, sauce and soup preparations [3] Minimally processed and, especially, fresh fruits have a very short shelf-life since they are subject to rapid microbial and physiological degradation and most

Ngày tải lên: 19/09/2022, 14:13

17 4 0
CRGP structure anlysis of the introduction part of the article physicochemical, antioxidant, and sensory properties of functional mango

CRGP structure anlysis of the introduction part of the article physicochemical, antioxidant, and sensory properties of functional mango

... MINH Học phần: Tiếng anh chuyên ngành CNTP CRGP Structure anlysis of the introduction part of the article Physicochemical, antioxidant, and sensory properties of functional mango (Mangifera indica ... ARTICLE • CRGP STRUCTURE IN INTRODUCTION SECTION • COMMENT • CONCLUSION TIEU LUAN MOI download : skknchat123@gmail.com INTRODUCTION TO THE ARTICLE Physicochemical, antioxidant, and sensory properties ... sauce and soup preparations [3] Minimally processed and, especially, fresh fruits have a very short shelf-life since they are subject to rapid microbial and physiologicali degradation and most

Ngày tải lên: 19/09/2022, 14:24

18 3 0
w