Journal of Scientific
& Industrial Research
http://www.niscair.res.in; http://nopr.niscair.res.in Total visitors: 2524 since 19-05-2012
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VOLUME 71
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NUMBER 6
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JUNE 2012 |
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CONTENTS
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Review
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381 |
Applicability of
carboxydotrophic bacterial carbon monoxide dehydrogenase (CODH) in carbon
sequestration and bioenergy generation |
This review presents applicability of carboxydotrophic bacterial carbon monoxide dehydrogenase (CODH) in carbon sequestration and bioenergy generation. CODH catalyzes reversible conversion of CO2 to CO. These bacteria use CO and CO2 as source of energy and carbon for growth, and therefore, play a vital role in maintaining very low CO level in the environment. The enzyme finds application in detection and mitigation of CO levels, and also to produce bioenergy from CO2. |
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Management & Information Technology |
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385 |
Energy anomaly detection in tire curing by
using data integration and forecasting techniques |
This
study proposed a method of energy anomaly detection by using data integration
and forecasting techniques to improve energy efficiency in tire curing. Compared
with traditional method, proposed method is robust against environment
changes, highly correlated to curing process and can discover curing energy
anomalies (leakage of steam or nitrogen, idling, and improper curing
parameters configuration) effectively.
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S & T and Industrial Research |
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392 |
Simultaneous
detection of free polyethylene glycol and PEGylated proteins by western blot |
This study presents detection of
free polyethylene glycol (PEG) and conjugated PEG in western blot assay using
anti-PEG rabbit monoclonals specific to methoxy group of PEG. In a
chromogenic western blot assay, detection limit (DL) for free and PEGylated
protein was 2.5 µg and 0.5 µg, respectively. Using chemiluminescence
substrate, DL of PEGylated granulocyte colony stimulating factor (GCSF) was
100 pg. Assay applied to PEGylation reaction mixture detected both free and
PEGylated protein. Commercially available PEGylated products using western
blot assay revealed pharmacologically pure preparations.
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396 |
Biosurfactant
production by Bacillus
subtilis TD4
and Pseudomonas aeruginosa SU7 grown on crude glycerol
obtained from biodiesel production plant as sole carbon source |
This
study presents isolation of biosurfactant (BS)-producing bacteria, Bacillus
subtilis TD4 (BsTD4) and Pseudomonas
aeruginosa SU7 (PaSU7), from palm oil contaminated soil. BS
production was done by using a minimal salt medium with used crude glycerol
as carbon and commercial monosodium glutamate as nitrogen source. BS produced by
BsTD4 exhibited
higher oil recovery efficiency than that produced by PaSU7. Both BSs could recover oil more
effectively than synthetic surfactants, could enhance solubility of PAHs, and
can emulsify various oil and hydrophobic compounds.
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S & T and Industrial Research |
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407 |
Sustained stomach
specific delivery of piroxicam from floating emulsion polyelectrolyte complex
beads |
This
study presents development of floating emulsion polyelectrolyte complex (PEC)
beads based on gellan-chitosan PEC and Gelucire 39/01 and 50/13 without using
any chemical crosslinker, and release from developed beads of piroxicam (PRM)
in 0.1 M HCl (pH 1.2). Developed beads showed excellent buoyancy,
significantly improved encapsulation efficiency and sustained release of PRM
compared to floating gellan-chitosan beads bearing PRM. Thus emulsion
PEC beads may form a potential stomach site specific drug delivery system for
PRM delivery . |
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413 |
Formulation and
evaluation of sublingual tablets of lisinopril |
This
study presents formulation and evaluation of sublingual tablets of lisinopril
for treatment of hypertension. Sublingual route offers faster disintegration
and dissolution of drug than oral route, because of increasing
bioavailability as it bypass GIT (gastro intestinal tract). Sublingual
tablets, prepared by direct compression method, were found in accordance with
standards. Out of three batches (A, B, C), batch B having fastest
disintegrating time was most suitable as sublingual tablet.
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Energy and Environment |
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418 |
A
Sliding Mode Multimodel Control for a Sensorless Photovoltaic System |
This
study presents a sliding mode multimodal control for a sensorless
photovoltaic panel, which sets itself as per the sun position at every second
during the day for a period of five years; then tracker, using sliding mode
multimodal controller and a sliding mode observer, will track these positions
to make sunrays orthogonal to photovoltaic cell that produces more energy.
After sunset, tracker goes back to initial position of sunrise. This autonomic
dual axis sun tracker increases power production by over 40%. |
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425 |
Pressure distribution of rotating small
wind turbine blades with winglet using wind tunnel |
This
study presents pressure distribution over an envelope of blade with and
without winglets for a small wind turbine in boundary layer wind tunnel.
Different winglet configurations were tried based on winglet height and
curvature radius. Pressure measurements were made with different chordwise
and spanwise locations on the blade with and without winglets nearby tip region.
Winglet improves overall pressure difference between pressure surface and
suction surface. Presence of winglet seemed to have the pressure increased at
0.3c and maximum pressure difference was observed at a span of 0.95R for all
winglet configurations. In suction, surface pressure decrease was 10% for all
winglet configurations.
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Waste Treatment and Utilization
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430 |
Comparison of polycyclic aromatic
hydrocarbons emission from thermal treatment of petroleum sludge cake in the
presence of different additives |
This study evaluates effectiveness of 4 additives [CaO, Ca(OH)2
+ NaHCO3, H2O2, and FeSO4 + H2O2]
in thermal degradation of hazardous polycyclic aromatic hydrocarbons (PAHs)
in petroleum sludge cake. Residual concentrations of 16 priority PAHs were
determined using GC-MS. Total PAH conc. was found as: gas, 3.11 × 10-4
- 4.36 × 10-4 ppmv; particulate, 7.92 × 10-5 - 5.24 ×
10-4 mg/m3; and residue, 1.37 × 10-4 - 1.07
× 100 µg/g. Total toxicity equivalence of PAHs relative to that of
benzo[a]pyrene (BaP) was
found as: gas, 3.11 × 10-7 - 4.41 × 10-7; particulate,
3.87 × 10-7 - 3.85 × 10-5; and residual, 6.17 × 10-7
- 9.65 × 10-3. Ca(OH)2 + NaHCO3 was most
suitable due to least emission of high molecular weight PAHs,
lower equivalent carcinogenicity of products, and lower concentrations of
PAHs in gas, particulate and residue.
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Waste Treatment and Utilization
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437 |
Reclamation
of dye wastewater using a flat sheet nanofiltration membrane: Study of
permeate flux and quality |
This
study presents treatment of dye containing wastewater in a nanofiltration pilot
plant using hydrophilized polyamide membrane of flat sheet module. Permeate
flux (PF) decreased with time of operation due to concentration polarization.
Effect of trans-membrane pressure (TMP) showed a quasi-linear increase in
flux with increasing pressure. PF (1.44 ´ 10-6 m3/m2.s)
at 5 kg/cm2 was enhanced as PF (1.62 ´ 10-6 m3/m2.s)
at 10 kg/cm2. Flux increased considerably with increase in
dilution of wastewater. Maximum PFs obtained with 5 fold and 10 fold
dilutions were 3.95 × 10-6 and 7.06 × 10-6 m3/m2.s
respectively. Substantial removal of colour (98.3%) was achieved with a
marked reduction in COD (89%) and TDS (77.2%).
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Author-Reader Platform |
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443 |
Instructions to contributors
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