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  Subjects -> PHYSICS (Total: 738 journals)
    - ELECTRICITY AND MAGNETISM (7 journals)
    - MECHANICS (19 journals)
    - NUCLEAR PHYSICS (44 journals)
    - OPTICS (84 journals)
    - PHYSICS (538 journals)
    - SOUND (17 journals)
    - THERMODYNAMICS (29 journals)

PHYSICS (538 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)
Acta Physica Slovaca     Open Access   (Followers: 3)
Advanced Composite Materials     Hybrid Journal   (Followers: 11)
Advanced Functional Materials     Hybrid Journal   (Followers: 33)
Advanced Materials     Hybrid Journal   (Followers: 316)
Advances in Condensed Matter Physics     Open Access   (Followers: 6)
Advances in Exploration Geophysics     Full-text available via subscription   (Followers: 3)
Advances in Geophysics     Full-text available via subscription   (Followers: 4)
Advances in High Energy Physics     Open Access   (Followers: 12)
Advances in Imaging and Electron Physics     Full-text available via subscription   (Followers: 1)
Advances in Materials Physics and Chemistry     Open Access   (Followers: 13)
Advances in Natural Sciences: Nanoscience and Nanotechnology     Open Access   (Followers: 14)
Advances in OptoElectronics     Open Access   (Followers: 3)
Advances In Physics     Hybrid Journal   (Followers: 7)
Advances in Physics Theories and Applications     Open Access   (Followers: 4)
Advances in Remote Sensing     Open Access   (Followers: 8)
Advances in Synchrotron Radiation     Hybrid Journal   (Followers: 1)
AIP Advances     Open Access   (Followers: 4)
AIP Conference Proceedings     Full-text available via subscription   (Followers: 1)
American Journal of Applied Sciences     Open Access   (Followers: 28)
American Journal of Condensed Matter Physics     Open Access   (Followers: 2)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 1)
Annalen der Physik     Hybrid Journal   (Followers: 2)
Annales Geophysicae (ANGEO)     Open Access   (Followers: 3)
Annales Henri PoincarĂ©     Hybrid Journal   (Followers: 2)
Annales UMCS, Physica     Open Access  
Annals of Nuclear Medicine     Hybrid Journal   (Followers: 3)
Annals of Physics     Hybrid Journal   (Followers: 2)
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: 4)
Applied Composite Materials     Hybrid Journal   (Followers: 8)
Applied Physics A     Hybrid Journal   (Followers: 9)
Applied Physics Frontier     Open Access   (Followers: 1)
Applied Physics Letters     Hybrid Journal   (Followers: 25)
Applied Physics Research     Open Access   (Followers: 6)
Applied Physics Reviews     Hybrid Journal   (Followers: 7)
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)
Astronomy & Geophysics     Hybrid Journal   (Followers: 1)
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: 5)
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: 27)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 14)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 12)
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: 38)
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)
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: 29)
Composites Part B : Engineering     Hybrid Journal   (Followers: 26)
Computational Materials Science     Hybrid Journal   (Followers: 18)
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: 10)
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: 13)
Current Applied Physics     Full-text available via subscription   (Followers: 4)
Diamond and Related Materials     Hybrid Journal   (Followers: 12)
Differential Equations and Nonlinear Mechanics     Open Access   (Followers: 4)
Doklady Physics     Hybrid Journal   (Followers: 1)
Dynamical Properties of Solids     Full-text available via subscription  

        1 2 3 4 5 6 | Last

Journal Cover Advances in Natural Sciences: Nanoscience and Nanotechnology
   Journal TOC RSS feeds Export to Zotero [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  [68 journals]
  • Porphyrins and phthalocyanines: promising molecules for light-triggered
           antibacterial nanoparticles

    • Authors: Dhananjoy Mondal; Smritilekha Bera
      First page: 033002
      Abstract: Light-triggered treatments in the presence of photosensitizer and oxygen molecule are prevalent for a wide variety of diseases. The reactive oxygen species (ROS), which are produced in the vicinity of malignant tissue by the light activated sensitizers, are considered as active agents in the photodynamic therapy (PDT). The higher reactivity of photosensitizers in nano state enhances the profile of pharmacokinetics and therapeutic index of the active molecule. In that direction, this review emphasises the application of porphyrin (Por) and phthalocyanine (PC) as nano photosensitizers in the development of antibacterial nanotherapeutic agents for resistant and non-resistant bacteria.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-05T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • A fluid density sensor based on a resonant tube

    • Authors: Yong Zhu; Dzung Viet Dao Peter Woodfield
      First page: 035010
      Abstract: A fluid density sensor based on resonance frequency change of a metallic tube is presented. The sensor has been developed without using a complex micro-fabrication process. The sensor is able to identify fluid types/contaminations and improve the performance by reducing testing time, decreasing complexity of testing equipment and reducing sample sizes. The sensor can measure the resonance frequency of its own structure and determine the change in resonance frequency due to the subsequent sample inside the tube. Numerical modelling, analytical modelling and physical testing of a prototype sensor showed comparable results for both the magnitude and resonance frequency shift. The modelling results yielded a resonance frequency shift of 200 Hz from 9.87 kHz to 9.67 kHz after the water was filled into the tube. The actual testing illustrated a resonance frequency change of 280 Hz from 9.11 kHz to 8.83 kHz. The ultimate aim of the work is to determine resonance frequencies of desired s...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-08-12T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • Preparation of platinum nanoparticles in liquids by laser ablation method

    • Authors: The Binh Nguyen; Thanh Dinh Nguyen, Quang Dong Nguyen Thi Trinh Nguyen
      First page: 035011
      Abstract: Platinum (Pt) nanoparticles were prepared in solutions of ethanol and TSC (trisodium citrate—Na 3 C 6 H 5 O 7 .nH 2 O) in water by laser ablation method using Nd:YAG laser. The role of laser fluence, laser wavelength and concentration of surfactant liquids in laser ablation process were investigated. The morphology, size distribution and optical properties of the Pt nanoparticles (NPs) were observed by transmission electron microscopy (TEM), UV-vis spectrometer and x-ray diffraction measurements. The average diameter of Pt NPs prepared in ethanol and TSC solutions ranges around 7–9 nm and 10–12 nm, respectively. The results showed advantages of the laser ablation method.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-08-12T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • Generation of two-mode photon-added displaced squeezed states

    • Authors: Thi Xuan Hoai Nguyen; Ba An Nguyen
      First page: 035012
      Abstract: Two-mode photon-added displaced squeezed states were previously introduced and their various interesting nonclassical as well as nonlocal properties were studied in great detail. In this paper we present experimental schemes for generating those states using optical devices such as nondegenerate parametric downconverters, displacers, beam-splitters and photo-detectors. The purpose is to see how close to the desired state the generated state can be and how high the success probability corresponding to a given fidelity is.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-05T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • A new formulation of curcumin using poly (lactic-co-glycolic
           acid)—polyethylene glycol diblock copolymer as carrier
           material

    • Authors: Thi Phuong Tuyen Dao; To Hoai Nguyen, Van Vinh To, Thanh Ha Ho, Tuan Anh Nguyen Mau Chien Dang
      First page: 035013
      Abstract: The aim of this study is to fabricate a nanoparticle formulation of curcumin using a relatively new vehicle as the matrix polymer: poly(lactic-co-glycolic acid) (PLGA)- polyethylene glycol (PEG) diblock copolymer, and to investigate the effects of the various processing parameters on the characteristics of nanoparticles (NPs). We successfully synthesized the matrix polymer of PLGA-PEG by conjugation of PLGA copolymer with a carboxylate end group to a heterobifunctional amine-PEG-methoxy using N-(3-dimethylaminopropyl)-N’-ethylcarbodiimide hydrochloride and N-hydroxysuccinimide as conjugation crosslinkers. The composition of the formed product (PLGA-PEG) was characterized with 500 MHz 1 H nuclear magnetic resonance (NMR). The conjugation of PLGA-PEG was confirmed using Fourier transform infrared (FTIR) spectrum study. This diblock copolymer was then used to prepare the curcumin-loaded NPs through nanoprecipitation technique. With this method, we found that the size distr...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-05T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • Bifunctional core–shell nanocomposite Mn-doped ZnO/Fe 3 O 4 for
           photodegradation of reactive blue 198 dye

    • Authors: Van Cuong Nguyen
      First page: 035014
      Abstract: Magnetic nanoparticles of manganese doped ZnO have been prepared by co-precipitation method. Photocatalytic activity results show that 9% of Mn in Mn-doped ZnO exhibited the highest photodegradation efficiency of reactive blue 198 dye. Additionally, excellent photocatalytic activity was observed when the molar ratio of Mn-doped ZnO/Fe 3 O 4 was 1:1. The photodegradation of reactive blue 198 (RB198) dye was carried out with different illumination times, initial concentrations of dye, amounts of photocatalyst and pH of medium. The results reveal that the degradation efficiency of reactive blue 198 were 99% at the concentration of 30 ppm for 25 min when the amount of catalyst was 5 g L −1 . The photodegradation of dye increased with increasing catalyst load. Furthermore, the prepared magnetic nanoparticles could also serve as convenient recyclable photocatalysts because of their magnetic properties. As a result, the removal of dye was still 90% after thre...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-05T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • Synthesis of PtRu/C-CNTs electrocatalysts for DMFCs with treated-CNTs and
           composition regulation

    • Authors: Long Quan Dang; Manh Tuan Nguyen, Viet Long Nguyen, Minh Thi Cao, Van Thang Le, Le Hoai Phuong Nguyen, Ngoc Phuong Nguyen, Thanh Hoang Nguyen Thi Nga Do
      First page: 035015
      Abstract: In the present work, PtRu/C-CNTs catalyst samples were studied for potential applications in direct methanol fuel cells (DMFCs). Carbon nanotubes (CNTs) were treated by H 2 SO 4 98% and HNO 3 65% at different temperatures and with different stirring periods. As a result, the PtRu/C-CNTs catalyst was successfully synthesized by using H 2 PtCl 6 and RuCl 3 precursors with the efficient reduction of NaBH 4 agent in ethylene glycol (e.g.). In addition, we controlled the ratios of treated-CNTs on carbon vulcan XC-72 treated-CNTs substrate (C-CNTs) with the different values: 50 wt%, 25 wt%, and 12.5 wt%, respectively. The PtRu/C-CNTs electrocatalyst samples were investigated by experimental methods including x-ray diffraction (XRD), transmission electron microscopy (TEM), and cyclic voltammetry (CV). Importantly, the CV results show the best treated-CNTs and the most suitable ratio of CNTs composition on C-CNTs substra...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-05T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • Incorporation of Fe 3 O 4 /CNTs nanocomposite in an epoxy coating for
           corrosion protection of carbon steel

    • Authors: Gia Vu Pham; Anh Truc Trinh, Thi Xuan Hang To, Thuy Duong Nguyen, Thu Trang Nguyen Xuan Hoan Nguyen
      First page: 035016
      Abstract: In this study Fe 3 O 4 /CNTs composite with magnetic property was prepared by attaching magnetic nanoparticles (Fe 3 O 4 ) to carbon nanotubes (CNTs) by hydrothermal method. The obtained Fe 3 O 4 /CNTs composite was characterized by Fourier transform infrared (FTIR) spectroscopy, powder x-ray diffraction and transmission electron microscopy. The Fe 3 O 4 /CNTs composite was then incorporated into an epoxy coating at concentration of 3 wt%. Corrosion protection of epoxy coating containing Fe 3 O 4 /CNTs composite was evaluated by electrochemical impedance spectroscopy and adhesion measurement. The impedance measurements show that Fe 3 O 4 /CNTs composite enhanced the corrosion protection of epoxy coating. The corrosion resistance of the carbon steel coated by epoxy coating containing Fe 3 O 4 /CNTs composite was significantly higher than that of carbon stee...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-22T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • Magnetic properties of Cr doped Fe 3 O 4 porous nanoparticles prepared
           through a co-precipitation method using surfactant

    • Authors: Hoang Duy Nguyen; Trung Dzung Nguyen, Dai Hai Nguyen Phuong Tung Nguyen
      First page: 035017
      Abstract: Magnetic Cr 3+ x Fe 3+2 − x Fe 2+ O 4(0 ≦̸ x ≦̸ 0.1) porous nanoparticles were prepared by the aqueous co-precipitation method. The resulting magnetic nanoparticles were characterized by using an x-ray diffraction (XRD), field enhanced scanning electron microscope (FESEM), transmission electron microscope (TEM), and vibrating sampling magnetometer (VSM). The nitrogen gas adsorption/desorption isotherm showed a microporous structure of the obtained magnetic materials. A rod and round shape of Fe 3 O 4 was observed as using polyvinylpyrrolidone (PVP) and cetyltrimethylammonium bromide (CTAB) surfactant, respectively. The Fe 3 O 4 nanoparticles exhibited superparamagnetic properties with easy separation and re-dispersion in solution by using an external magnet. More remarkably, the saturation magnetization ( M s ) was enhanced up to 1.2 times for dopin...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-22T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
  • Carboxymethylguargum-silver nanocomposite: green synthesis,
           characterization and an optical sensor for ammonia detection

    • Authors: Anek Pal Gupta; Devendra Kumar Verma
      First page: 035018
      Abstract: This work describes the preparation of new carboxymethyl guar gum-silver nanocomposite (CMGG/Ag NC) by green synthesis method. For this carboxymethyl guar gum was used as a reducing agent as well as stabilizer. The silver nanoparticles obtained were characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), UV–vis spectroscopy, Fourier transform infrared (FTIR) and energy dispersive x-ray analysis (EDX). The average size of the silver nanoparticles was found of ∼6 nm. Thus, the obtained CMGG/AgNPs NC was examined for optical sensing property for detection of ammonia in aqueous medium. The response time and the detection limit of ammonia in aqueous solution were detected at room temperature. It was concluded that in the future, at this room temperature optical ammonia sensor may be used for medical diagnosis and clinically for detecting low ammonia level (up to 1 ppm) in biological samples for various biomedical applications.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2014-09-22T00:00:00Z
      Issue No: Vol. 5, No. 3 (2014)
       
 
 
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