Journal of Nanoscience,
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Jan - April 2014
(JoNSNEA)ISSN: 2321-5194
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Journal of NanoScience, NanoEngineering & Applications
Journal of NanoScience, NanoEngineering & Applications
(ISSN: 2321–5194)
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I take the privilege to present the hard copy compilation for the [Volume 4 Issue (1)] of Journal of
NanoScience, NanoEngineering & Applications (JoNSNEA). The intension of JoNSNEA is to
create an atmosphere that stimulates creativeness, research and growth in the area of NanoScience ,
NanoEngineering & Applications.
The development and growth of the mankind is the consequence of brilliant Research done by
eminent Scientists and Engineers in every field. JoNSNEA provides an outlet for Research findings
and reviews in areas of NanoScience , NanoEngineering & Applications found to be relevant for
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The aim and scope of the Journal is to provide an academic medium and an important reference for
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Dr. Archana Mehrotra
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Director's Desk
STM JOURNALS
1. Effect of Sintering Temperature on Current-Voltage Characteristics of Nanostructured Manganites Zalak Joshi, Davit Dhruv, N. A. Shah 1
2. Minimizing the Synthesis Time of Nanostructured Powders in Planetary Mills using Biogeography-based Optimization (BBO) Algorithm
Majid Abdellahi 6
3. Role of Nanotechnology in the Diagnosis and Treatment of Waterborne DiseasesAshutosh Debata, Darshan Panda, Sandeep Dhuper 19
4. Voltage-controlled TCR (Temperature Sensitivity) in Nanostructured Y Ca MnO /Si, 0.95 0.05 3
p-n Junction DiodeDavit Dhurv, J. H. Markna, P. S. Solanki, Nikesh A. Shah 29
5. Characterization and Stability Study of Synthesized Gold and Silver NanoparticlesPujashree A .K., Rajeshwari A., M.N. Chandraprabha, Amitava Mukherjee 33
6. Studies on Cr (VI) Removal from Aqueous Solution using Al O and ZnO Nanoparticles Composite2 3
Sunil Palani, Jastin Samuel, Chandraprabha M.N, Amitava Mukherjee 39
ContentsJournal of NanoScience, NanoEngineering & Applications
JoNSNEA (2014)© STM Journals 2014. All Rights Reserved
Journal of NanoScience, NanoEngineering & Applications ISSN: 2321-5194
Volume 4, Issue 1
www.stmjournals.com
Effect of Sintering Temperature on Current-Voltage
Characteristics of Nanostructured Manganites
Zalak Joshi, Davit Dhruv, N. A. Shah* Department of Electronics, Saurashtra University, Rajkot-360005, India
Abstract In the present communication, nanostructured Y0.95Ca0.05MnO3 manganites using low
cost sol-gel method have been synthesized. Samples were sintered at different
temperatures in order to change the particle size of the samples. The crystallite size is found to increase with sintering temperature due to crystal agglomeration effect. To
understand the transport properties of the presently studied samples, current-voltage (I-
V) characteristics have been carried out at room temperature. Effect of crystallite size on the transport has been discussed in detail. The variation in conduction and transport
mechanism with sintering temperature has been discussed in the context of oxygen non-stoichiometry and crystallite boundary density.
Keywords: I-V characteristics, manganites, sintering temperature
JoNSNEA (2014)© STM Journals 2014. All Rights Reserved
Journal of NanoScience, NanoEngineering & Applications ISSN: 2321-5194
Volume 4, Issue 1
www.stmjournals.com
Minimizing the Synthesis Time of Nanostructured
Powders in Planetary Mills using Biogeography-based
Optimization (BBO) Algorithm
Majid Abdellahi* Materials Engineering Department, Najafabad Branch, Islamic Azad University,
Najafabad, Iran
Abstract A key objective in processing of nanostructured powders via high-energy ball milling is
to minimize the synthesis time. This paper presents the application of biogeography-
based algorithm for optimization of milling parameters in order to minimize the synthesis
time of nanostructured powders in planetary mills. At first a direct relationship between the inverse of the milling time and the power of the planetary mill was established, which
allows the validation of theoretical models proposed in the literature for the energy transfer in milling devices and the comparison of milling equipment efficiencies.
Afterwards, based on the obtained relation, eight design parameters in milling, namely,
number of balls, ball diameter, vial radius, vial height, ball diameter distribution coefficient, plate spinning rate, vial spinning rate and distance between the center of the
plate and the center of the vial were optimized. Using these optimized variables in milling process the energy transferred to the raw materials was maximized or in the equivalent
expression the synthesis time of nanostructured powders was minimized. At the end, a test
case was solved to demonstrate the effectiveness and accuracy of the proposed design. Computational results showed that the proposed optimization algorithm is quite effective
and powerful in optimizing the planetary mills.
Keywords: Nanostructured powders, milling, optimization, planetary mill,
BBO algorithm
JoNSNEA (2014)© STM Journals 2014. All Rights Reserved
Journal of NanoScience, NanoEngineering & Applications ISSN: 2321-5194
Volume 4, Issue 1
www.stmjournals.com
Role of Nanotechnology in the Diagnosis and Treatment
of Waterborne Diseases
Ashutosh Debata1*, Darshan Panda
2, Sandeep Dhuper
3
1Director of Research, DRIEMS , Tangi, Cuttack, Odisha, India
2,3Research Scholar, Department of Biotechnology, Ravenshaw University, Cuttack, Odisha, India
Abstract Nanotechnology provides new aspects for the treatment and diagnosis of diseases using
atomic scale engineering of materials. The size of nanoparticles is similar to that of most
biological molecules and structures; therefore, nanoparticles can be useful for both in
vivo and in vitro biomedical research and applications. At the same time, the unique
dimension of nanoparticles empowers them with special capabilities to successfully deliver the drug at the desired site. The integration of nanotechnology with biology has
led to the development of diagnostic devices, contrast agents, analytical tools, physical therapy applications, and drug delivery vehicles. Water borne diseases are responsible
for 4.0% of total annual deaths around the world. In the light of latest research,
nanotechnology-based diagnosis and treatment have been proved as more effective and sensitive in comparison to the traditional methods. The unique nanoparticle-conjugated
antibiotics are more efficient in showing their effect in comparison to the administration
of the latter alone. At the same time, nanoparticle-labeled bio-sensors have proved their efficacy for quick and precise diagnosis of various waterborne diseases. The development
of various combinations of nanoparticle drugs has multiple-fold benefit than a single antibiotic administered in diarrhea. This review article provides a bird’s eye view on the
recent advancements of nanotechnology-based treatment and diagnosis of waterborne
diseases.
Keywords: Nanotechnology, waterborne diseases, drug delivery, infection
JoNSNEA (2014)© STM Journals 2014. All Rights Reserved
Journal of NanoScience, NanoEngineering & Applications ISSN: 2321-5194
Volume 4, Issue 1
www.stmjournals.com
Voltage-controlled TCR (Temperature Sensitivity) in
Nanostructured Y0.95Ca0.05MnO3/Si, p-n Junction Diode
Davit Dhurv1, J. H. Markna
1, P. S. Solanki
2, Nikesh A. Shah
3*
1Department of Nanotechnology, V.V.P Engineering College,
Gujarat Technological University, Rajkot, India 2Department of Physics, Saurashtra University, Rajkot, India
3Department of Electronics, Saurashtra University, Rajkot, India
Abstract The authors deposited a p-type Y0.95Ca0.05MnO3 on the n-type Si substrate using chemical solution deposition and form nanostructured Y0.95Ca0.05MnO3/n-Si, p-n junction diode
with typical thickness of about 100 nm with polycrystalline in nature. The diode exhibits
rectifying properties over the temperature range of 100–300 K. Voltage-dependent temperature sensitivity of Y0.95Ca0.05MnO3/n-Si, p-n junction diode has been studied in
current perpendicular to film plane (CPP) geometry. The maximum percentage of TCR values of −5.24% K
−1 at 200 K at applied diffusive potential below 1 V can be
understood in terms of diffusive voltage-dependent conduction through the interface of
nanostructured p-n junction diode.
Keywords: PN junction diode, TCR, multiferroic
JoNSNEA (2014)© STM Journals 2014. All Rights Reserved
Journal of NanoScience, NanoEngineering & Applications ISSN: 2321-5194
Volume 4, Issue 1
www.stmjournals.com
Characterization and Stability Study of Synthesized
Gold and Silver Nanoparticles
Pujashree A .K.1, Rajeshwari A.
2, M.N. Chandraprabha
2*, Amitava Mukherjee
2
1Department of Biotechnology, M.S. Ramaiah Institute of Technology, Bangalore, India
2Centre for Nanobiotechnology, VIT University, Vellore, India
Abstract A basic initial characterization and stability study of synthesised gold and silver
nanoparticles was carried out. Silver nanoparticles were synthesised by modified Creighton’s method. Gold nanoparticles were synthesised by Turkevich method. The
synthesised nanoparticles were subjected to characterization studies using DLS, UV-VIS
spectrophotometer, pH meter, and the size characterization was studied using Mie plot and NNLs software. The objective of the study being to check the stability of the
nanoparticles for three trials, and the samples analyzed showed good pH stability, with a
variation of ± 1.0 throughout the study period, the samples being stored in refrigerator. An increase in particle size was observed as the study progressed, which may be due to
aggregation and oxidation towards the end of the study.
Keywords: nanoparticles, characterization, stability, particle size
JoNSNEA (2014) 39-45 © STM Journals 2014. All Rights Reserved Page 39
Journal of NanoScience, NanoEngineering & Applications ISSN: 2321-5194
Volume 4, Issue 1
www.stmjournals.com
Studies on Cr (VI) Removal from Aqueous Solution using
Al2O3 and ZnO Nanoparticles Composite
Sunil Palani2, Jastin Samuel
1, Chandraprabha M.N
2*, Amitava Mukherjee
1
1Centre for Nanobiotechnology, VIT University, Vellore, India
2 Department of Biotechnology, M S Ramaiah Institute of Technology, Bangalore, India
Abstract Cr (VI) is a heavy metal and is considered to be toxic both to environment and human
beings after a permissible limit. The removal of Cr (VI) using conventional methods
was ineffective. With introduction of nanotechnology, the remediation of Cr (VI) has
become more easy and effective. Nanoalumina has been an efficient adsorbent system for the adsorption of different heavy metals. It has an excellent adsorption capacity
for metal ions such as Cr (VI), Cd (II) and Pb (II). Negatively charged ionic species
by electrostatic interaction are adsorbed on the positively charged surface of nanoalumina. Zinc oxide Nanoparticles (NPs) have excellent anti-fungal, anti-
bacterial and UV filtering properties. The use of ZnO NPs for the adsorption of Cr,
Cd (II) and Hg (II) ions from aqueous solution is also gaining importance. The current work utilizes both the nanoparticles for the adsorption of Cr (VI) from
aqueous solution. When this composite mixture was used it was found that the adsorption capacity was higher than adsorption capacity obtained when individual
NPs were used. Further studies regarding the mechanism of adsorption and
characterization studies have to be undertaken.
Keywords: NPs- nanoparticles, composite, UV filtering properties, nanoalumina