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  Subjects -> PHYSICS (Total: 774 journals)
    - ELECTRICITY AND MAGNETISM (8 journals)
    - MECHANICS (19 journals)
    - NUCLEAR PHYSICS (46 journals)
    - OPTICS (91 journals)
    - PHYSICS (563 journals)
    - SOUND (18 journals)
    - THERMODYNAMICS (29 journals)

PHYSICS (563 journals)                  1 2 3 4 5 6 | Last

Acta Acustica united with Acustica     Full-text available via subscription   (Followers: 7)
Acta Mechanica     Hybrid Journal   (Followers: 15)
Advanced Composite Materials     Hybrid Journal   (Followers: 16)
Advanced Functional Materials     Hybrid Journal   (Followers: 39)
Advanced Materials     Hybrid Journal   (Followers: 407)
Advances in Condensed Matter Physics     Open Access   (Followers: 8)
Advances in Exploration Geophysics     Full-text available via subscription   (Followers: 3)
Advances in Geophysics     Full-text available via subscription   (Followers: 5)
Advances in High Energy Physics     Open Access   (Followers: 12)
Advances in Imaging and Electron Physics     Full-text available via subscription   (Followers: 3)
Advances in Materials Physics and Chemistry     Open Access   (Followers: 16)
Advances in Natural Sciences: Nanoscience and Nanotechnology     Open Access   (Followers: 14)
Advances in OptoElectronics     Open Access   (Followers: 3)
Advances In Physics     Hybrid Journal   (Followers: 9)
Advances in Physics Theories and Applications     Open Access   (Followers: 8)
Advances in Remote Sensing     Open Access   (Followers: 9)
AIP Advances     Open Access   (Followers: 6)
AIP Conference Proceedings     Full-text available via subscription   (Followers: 2)
American Journal of Applied Sciences     Open Access   (Followers: 31)
American Journal of Condensed Matter Physics     Open Access   (Followers: 5)
American Journal of Signal Processing     Open Access   (Followers: 8)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 2)
Annalen der Physik     Hybrid Journal   (Followers: 3)
Annales Geophysicae (ANGEO)     Open Access   (Followers: 4)
Annales Henri PoincarĂ©     Hybrid Journal   (Followers: 1)
Annales UMCS, Physica     Open Access  
Annals of Nuclear Medicine     Hybrid Journal   (Followers: 3)
Annals of Physics     Hybrid Journal   (Followers: 3)
Annals of West University of Timisoara - Physics     Open Access  
Annual Reports on NMR Spectroscopy     Full-text available via subscription   (Followers: 1)
Annual Review of Analytical Chemistry     Full-text available via subscription   (Followers: 9)
Annual Review of Condensed Matter Physics     Full-text available via subscription   (Followers: 1)
Annual Review of Materials Research     Full-text available via subscription   (Followers: 4)
APL Materials     Open Access   (Followers: 6)
Applied Composite Materials     Hybrid Journal   (Followers: 9)
Applied Physics     Open Access  
Applied Physics A     Hybrid Journal   (Followers: 9)
Applied Physics Frontier     Open Access   (Followers: 1)
Applied Physics Letters     Hybrid Journal   (Followers: 26)
Applied Physics Research     Open Access   (Followers: 6)
Applied Physics Reviews     Hybrid Journal   (Followers: 8)
Applied Radiation and Isotopes     Hybrid Journal   (Followers: 5)
Applied Remote Sensing Journal     Open Access   (Followers: 9)
Applied Spectroscopy     Full-text available via subscription   (Followers: 12)
Applied Spectroscopy Reviews     Hybrid Journal   (Followers: 2)
Archive for Rational Mechanics and Analysis     Hybrid Journal   (Followers: 3)
Asia Pacific Physics Newsletter     Hybrid Journal  
ASTRA Proceedings     Open Access  
Astronomy & Geophysics     Hybrid Journal   (Followers: 2)
Astrophysical Journal Letters     Full-text available via subscription   (Followers: 3)
Astrophysical Journal Supplement Series     Full-text available via subscription   (Followers: 3)
Atoms     Open Access  
Attention, Perception & Psychophysics     Full-text available via subscription   (Followers: 9)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Axioms     Open Access  
Bangladesh Journal of Medical Physics     Open Access  
Bauphysik     Hybrid Journal   (Followers: 1)
Biomaterials     Hybrid Journal   (Followers: 34)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 16)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 14)
Biomedical Imaging and Intervention Journal     Open Access   (Followers: 5)
Biophysical Reviews     Hybrid Journal  
Biophysical Reviews and Letters     Hybrid Journal   (Followers: 3)
BMC Biophysics     Open Access   (Followers: 7)
BMC Nuclear Medicine     Open Access   (Followers: 5)
Brazilian Journal of Physics     Hybrid Journal  
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Bulletin of Materials Science     Open Access   (Followers: 39)
Bulletin of the Atomic Scientists     Full-text available via subscription   (Followers: 4)
Bulletin of the Lebedev Physics Institute     Hybrid Journal   (Followers: 1)
Bulletin of the Russian Academy of Sciences: Physics     Hybrid Journal  
Caderno Brasileiro de Ensino de FĂ­sica     Open Access  
Canadian Journal of Physics     Full-text available via subscription   (Followers: 1)
Cells     Open Access   (Followers: 1)
Central European Journal of Physics     Hybrid Journal   (Followers: 1)
CERN courier. International journal of high energy physics     Free  
Chinese Journal of Astronomy and Astrophysics     Full-text available via subscription   (Followers: 1)
Chinese Journal of Chemical Physics     Hybrid Journal   (Followers: 1)
Chinese Physics B     Full-text available via subscription  
Chinese Physics C     Full-text available via subscription  
Chinese Physics Letters     Full-text available via subscription  
Cohesion and Structure     Full-text available via subscription   (Followers: 2)
Colloid Journal     Hybrid Journal   (Followers: 2)
Communications in Mathematical Physics     Hybrid Journal   (Followers: 2)
Communications in Numerical Methods in Engineering     Hybrid Journal   (Followers: 3)
Communications in Theoretical Physics     Full-text available via subscription   (Followers: 1)
Composites Part A : Applied Science and Manufacturing     Hybrid Journal   (Followers: 55)
Composites Part B : Engineering     Hybrid Journal   (Followers: 79)
Computational Astrophysics and Cosmology     Open Access  
Computational Materials Science     Hybrid Journal   (Followers: 19)
Computational Mathematics and Mathematical Physics     Hybrid Journal   (Followers: 1)
Computational Particle Mechanics     Hybrid Journal  
Computational Science and Discovery     Full-text available via subscription  
Computer Physics Communications     Hybrid Journal  
Contemporary Concepts of Condensed Matter Science     Full-text available via subscription  
Contemporary Physics     Hybrid Journal   (Followers: 12)
Continuum Mechanics and Thermodynamics     Hybrid Journal   (Followers: 3)
Contributions to Plasma Physics     Hybrid Journal   (Followers: 2)
COSPAR Colloquia Series     Full-text available via subscription   (Followers: 1)
Cryogenics     Hybrid Journal   (Followers: 18)

        1 2 3 4 5 6 | Last

Journal Cover   Advances in Natural Sciences: Nanoscience and Nanotechnology
  [16 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2043-6254 - ISSN (Online) 2043-6262
   Published by Institute of Physics (IOP) Homepage  [70 journals]
  • Optical nanoparticles: synthesis and biomedical application

    • Authors: Hong Nhung Tran; Thi Ha Lien Nghiem, Thi Thuy Duong Vu, Viet Ha Chu, Quang Huan Le, Thi My Nhung Hoang, Lai Thanh Nguyen, Duc Minh Pham, Kim Thuan Tong, Quang Hoa Do, Duong Vu, Trong Nghia Nguyen, Minh Tan Pham, Cao Nguyen Duong, Thanh Thuy Tran, Van Son Vu, Thi Thuy Nguyen, Thi Bich Ngoc Nguyen, Anh Duc Tran, Thi Thuong Trinh Thi Thai An Nguyen
      First page: 023002
      Abstract: This paper presents a summary of our results on studies of synthesis and biomedical application of optical nanoparticles. Gold, dye-doped silica based and core–shell multifunctional multilayer (SiO 2 /Au, Fe 3 O 4 /SiO 2 , Fe 3 O 4 /SiO 2 /Au) water-monodispersed nanoparticles were synthesized by chemical route and surface modified with proteins and biocompatible chemical reagents. The particles were conjugated with antibody or aptamer for specific detecting and imaging bacteria and cancer cells. The photothermal effects of gold nanoshells (SiO 2 /Au and Fe 3 O 4 /SiO 2 /Au) on cells and tissues were investigated. The nano silver substrates were developed for surface enhanced Raman scattering (SERS) spectroscopy to detect melamine.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-03-02T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Quantum field theory of interacting plasmon–photon system

    • Authors: Van Hieu Nguyen; Bich Ha Nguyen
      First page: 025010
      Abstract: In the framework of functional integral approach, quantum theory of interacting plasmon–photon system was constructed on the basis of general postulates (axioms) called also first principles of electrodynamics and quantum theory of many-body systems. Since plasmons are complex quasiparticles appearing as the resonances in plasma oscillations of the electron gas in solids, we start from the general expression of total action functional of interacting system consisting of electron gas and electromagnetic field. The collective oscillations of electron gas are characterized by a real scalar field φ ( x ) called the collective oscillation field. In the harmonic approximation the collective oscillations behave like the small fluctuations around a background field φ 0 ( x ). The difference between φ ( x ) and φ 0 ( x ) is called the fluctuation field ζ ( x ). In the case of a homogeneous and isotropic electron ga...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-02-20T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Synthesis of nanostructured manganese oxides based materials and
           application for supercapacitor

    • Authors: Trung Dung Dang; Thi Thu Hang Le, Thi Bich Thuy Hoang Thanh Tung Mai
      First page: 025011
      Abstract: Manganese oxides are important materials with a variety of applications in different fields such as chemical sensing devices, magnetic devices, field-emission devices, catalysis, ion-sieves, rechargeable batteries, hydrogen storage media and microelectronics. To open up new applications of manganese oxides, novel morphologies or nanostructures are required to be developed. Via sol—gel and anodic electrodeposition methods, M (Co, Fe) doped manganese oxides were prepared. On the other hand, nanostructured (nanoparticles, nanorods and hollow nanotubes) manganese oxides were synthesized via a process including a chemical reaction with carbon nanotubes (CNTs) templates followed by heat treatment. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), cyclic voltammetry (CV) and impedance spectroscopy (EIS) were used for characterization of the prepared materials. The influence of chemical reaction conditions, heat treatment and template present on the morphology, ...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-02-20T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Preparation of the vulcan XC-72R-supported Pt nanoparticles for the
           hydrogen evolution reaction in PEM water electrolysers

    • Authors: Huy Du Nguyen; T Thuy Luyen Nguyen, Khac Manh Nguyen, Thuc Huy Ha Quoc Hien Nguyen
      First page: 025012
      Abstract: Pt nanoparticles on vulcan XC-72R support (Pt/vulcan XC-72R) were prepared by the impregnation–reduction method. The Pt content, the morphological properties and the electrochemical catalysis of the Pt/vulcan XC 72R materials have been investigated by ICP-OES analysis, FESEM, TEM, and cyclic voltammetry. These materials were then used as catalyst for hydrogen evolution reaction at the cathode of proton exchange membrane (PEM) water electrolysers. The best catalyst was Pt/vulcan XC-72R prepared by the impregnation–reduction method which is conducted in two reducing steps with the reductants of sodium borohydride and ethylene glycol, respectively. The current density of PEM water electrolysers reached 1.0 A cm −2 when applying a voltage of 2.0 V at 25 °C.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-02-20T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Performance evaluation of photovoltaic cells using functionalized carbon
           nanotube and polyaniline film

    • Authors: S Kavita; B Mohan J Sarat Chandra Babu
      First page: 025013
      Abstract: The use of polyaniline (PANI) and carbon nanotubes (CNTs) as photovoltaic materials has been presented in this paper. The promising properties of PANI and CNTs have encouraged utilizing them in photovoltaic devices and studying their performance. The photovoltaic performance of PANI has been studied with and without CNTs. We found that there is a considerable increase in the short circuit current density from 3.49 to 8.86 mA cm −2 with the use of CNTs in the device and also an increase in power conversion efficiency. The incorporation of CNTs film had led to an efficient transport of photo-generated holes to the anode and suppressed the recombination of free charges generated, thus increasing the efficiency of the device. The performance of the device shows that the PANI and CNTs can be effectively utilized as photovoltaic materials in a photovoltaic cell.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-03-02T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Sorption of lead (II), cobalt (II) and copper (II) ions from aqueous
           solutions by γ -MnO 2 nanostructure

    • Authors: Ngoc Chung Le; Dinh Van Phuc
      First page: 025014
      Abstract: Manganese dioxide γ -MnO 2 was synthesized via the reduction–oxidation reaction between KMnO 4 and C 2 H 5 OH at room temperature and characterized with x-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Brunauer–Emmet–Teller nitrogen adsorption (BET–N 2 adsorption). The results showed that γ -MnO 2 was about 10–18 nm in size and the BET surface area was about 65 m 2 g −1 . The feasibility of γ -MnO 2 used as a low cost adsorbent for the adsorption of Pb(II), Co(II) and Cu(II) from aqueous solutions was explored. During the adsorption process, batch technique was used, and the effects of contact time and pH on adsorption efficiency under room temperature were studied. The adsorption data showed that the Freundlich, Langmuir and Redlich-Peterson isotherms are a good model for the sorption of Co(II) and Cu(II), while th...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-03-02T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Nanosized Ir x Ru 1− x O 2 electrocatalysts for oxygen evolution
           reaction in proton exchange membrane water electrolyzer

    • Authors: Hong Hanh Pham; Ngoc Phong Nguyen, Chi Linh Do Ba Thang Le
      First page: 025015
      Abstract: Normally in proton exchange membrane water electrolysis (PEMWE), the anode has the largest overpotential at typical operating current densities. By development of the electrocatalytic material used for the oxygen evolving electrode, great improvements in efficiency can be performed. In electrochemistry, rare metallic oxides RuO 2 and IrO 2 exhibit the best catalytic properties for the oxygen evolution reaction (OER) in acid electrolytes compared to other noble metals. RuO 2 is the most active catalyst and IrO 2 is the most stable catalyst. An oxide containing both elements is therefore expected to be a good catalyst for the OER. In this study Ir x Ru 1− x O 2 nanosized powder electrocatalysts for oxygen evolution reaction is synthesized by hydrolysis method. Cyclic voltammetry, anodic polarization and galvanostatic measurements were conducted in solution of 0.5 M H 2 SO 4 to invest...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-03-02T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Synthesis and microstructure of La 1− x Ca x CoO 3 nanoparticles and
           their catalytic activity for CO oxidation

    • Authors: Tien Hung Luu; Xuan Dung Nguyen, Thi Minh Huyen Phan, Steffen Schulze Michael Hietschold
      First page: 025016
      Abstract: Perovskite nanoparticles of La 1− x Ca x CoO 3 ( x = 0, 0.2, 0.3, 0.5) were synthesized by the combustion method using polyvinyl alcohol (PVA) and corresponding metal nitrates. Microstructure of samples was characterized by high resolution transmission electron microscopy (HRTEM) and selected area electron diffraction (SAED) combined with x-ray diffraction (XRD). The nanoparticles were characterized by thermogravimetric and differential thermal analysis (TG-DTA) and BET (Brunauer–Emmet–Teller). A high surface area (15–21 m 2 g −1 ) at low temperature (600 °C) of samples was obtained. The optimal preparative conditions were PVA/metals 2:1 by mole, pH = 3 and 80 °C for gel formation. Perovskites exhibit a good catalytic activity in total oxidation of CO at the low temperature (
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-03-02T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Morphological and biochemical responses of Abelmoschus esculantus (L.)
           Moench to zinc nanoparticles

    • Authors: I B Gokak; T C Taranath
      First page: 025017
      Abstract: The increasing application and use of nanoparticles are directly related to their release in the environment. There has arisen the necessity to study the interactions of nanoparticles with plants and other organisms. The present investigation is an attempt to evaluate the morphological and biochemical responses of Abelmoschus esculentus (L.) Moench to zinc nanoparticles treatment. Seeds were treated with zinc nanoparticles at concentrations of 50 100, 200, 500 ppm. The morphological and biochemical responses recorded include germination percentage, root, shoot length, number of root hairs and number of leaves. Chlorophyll, protein, proline and carbohydrate contents in the leaves of 30-days-old treated plants were estimated. A greater amount of total dissolved solids (TDS) leached out from the seeds soaked in different concentrations of Zn nanoparticles compared to the control. Zinc nanoparticles executed a positive impact on the seed germination. The seed germination perce...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-03-02T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
  • Synthesis of Cu core Ag shell nanoparticles using chemical reduction
           method

    • Authors: Dung Chinh Trinh; Thi My Dung Dang, Kim Khanh Huynh, Eric Fribourg-Blanc Mau Chien Dang
      First page: 025018
      Abstract: A simple chemical reduction method is used to prepare colloidal bimetallic Cu–Ag core–shell (Cu@Ag) nanoparticles. Polyvinyl pyrrolidone (PVP) was used as capping agent, and ascorbic acid (C 6 H 8 O 6 ) and sodium borohydride (NaBH 4 ) were used as reducing agents. The obtained Cu@Ag nanoparticles were characterized by powder x-ray diffraction (XRD), transmission electron microscopy (TEM) and UV–vis spectrophotometry. The influence of [Ag]/[Cu] molar ratios on the formation of Ag coatings on the Cu particles was investigated. From the TEM results we found that the ratio [Ag + ]/[Cu 2+ ] = 0.2 is the best for the stability of Cu@Ag nanoparticles with an average size of 22 nm. It is also found out that adding ammonium hydroxide (NH 4 OH) makes the obtained Cu@Ag nanoparticles more stable over time when pure deionized water is used as solvent.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2015-03-12T00:00:00Z
      Issue No: Vol. 6, No. 2 (2015)
       
 
 
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