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Babar Nazir 대한영상의학회 2014 Korean Journal of Radiology Vol.15 No.5
Early prostate cancers are best detected with transrectal ultrasound (TRUS)-guided core biopsy of the prostate. Due to increased longevity and improved prostate cancer screening, more men are now subjected to TRUS-guided biopsy. To improve the detection rate of early prostate cancer, the current trend is to increase the number of cores obtained. The significant pain associated with the biopsy procedure is usually neglected in clinical practice. Although it is currently underutilized, the periprostatic nerve block is an effective technique to mitigate pain associated with prostate biopsy. This article reviews contemporary issues pertaining to pain during prostate biopsy and discusses the practical aspects of periprostatic nerve block.
Comparative Analysis of Machine Learning Models for Crop's yield Prediction
Babar, Zaheer Ud Din,UlAmin, Riaz,Sarwar, Muhammad Nabeel,Jabeen, Sidra,Abdullah, Muhammad International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.5
In light of the decreasing crop production and shortage of food across the world, one of the crucial criteria of agriculture nowadays is selecting the right crop for the right piece of land at the right time. First problem is that How Farmers can predict the right crop for cultivation because famers have no knowledge about prediction of crop. Second problem is that which algorithm is best that provide the maximum accuracy for crop prediction. Therefore, in this research Author proposed a method that would help to select the most suitable crop(s) for a specific land based on the analysis of the affecting parameters (Temperature, Humidity, Soil Moisture) using machine learning. In this work, the author implemented Random Forest Classifier, Support Vector Machine, k-Nearest Neighbor, and Decision Tree for crop selection. The author trained these algorithms with the training dataset and later these algorithms were tested with the test dataset. The author compared the performances of all the tested methods to arrive at the best outcome. In this way best algorithm from the mention above is selected for crop prediction.
Babar Ali,Xiaocheng Lan,Muhammad Tahir Arslan,Syed Zulfiqar Ali Gilani,Huanjun Wang,Tiefeng Wang 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.88 No.-
Glycerol dehydration to value-added acrolein over zeolite catalysts is a useful approach to offer asustainable economic route for the biodiesel industry. Glycerol dehydration over H-ZSM-5 withconventional morphology often exhibits a significant mass transfer limitation and inhibits the access toactive sites in the micropores, which causes low activity, selectivity, and severe catalyst deactivation. Inthis study, a significant impact of b-axis channel length on acrolein selectivity and catalyst activity wasrevealed by using H-ZSM-5 synthesized with varied channel length in b-axis of 60, 130, 180, and 250 nm. Complete glycerol conversion and high acrolein selectivity (88%) were observed over H-ZSM-5 with60 nm channels length in b-axis, due to high availability of active sites and enhanced diffusion throughthe shortest channels, which dramatically suppressed the coke formation. The catalysts with long b-axischannels exhibited a slow internal diffusion, leading to increased polymerization side reactions and cokeformation.
Babar, Zaeem Bin,Park, Jun-Hyun,Lim, Ho-Jin Elsevier 2017 Atmospheric environment Vol.164 No.-
<P>This study presents detailed characterizations of a newly-developed flow reactor including (1) residence time distribution measurements, (2) relative humidity (RH) and temperature control, and (3) OH radical exposure range (i.e., atmospheric aging time). Hydroxyl (OH) radical exposures ranged from 8.20 x 10(10) to 7.22 x 10(11) molecules cm(-3) s (0.5-4.9 d of atmospheric aging). In this study, the effects of NH3 gas on the secondary organic aerosol (SOA) formation of a-pinene by dark ozonolysis and photooxidation were investigated using the newly-developed flow reactor. For both dark a-pinene ozonolysis and photooxidation, higher SOA yields were observed in the presence of NH3 than in the absence of NH3. At RH of -50%, the SOA yield for ozonolysis and photooxidation in the presence of NH3 increased by 23% and 15% relative to those in the absence of NH3, Similar effects were observed at lower and higher RH conditions. Fourier transform infrared spectroscopy analysis confirmed the presence of nitrogen-containing functional groups in SOA formed in the presence of NH3. The a-pinene SOA formed in the presence of NH3 showed higher absorption and fluorescence for UV-visible radiation than those formed in the absence of NH3. (C) 2017 Elsevier Ltd. All rights reserved.</P>
Babar, Sheikh Md. Enayetul,Song, Eun Joo,Hasan, Md. Nabiul,Yoo, Young Sook WILEY-VCH Verlag 2007 Journal of separation science Vol.30 No.14
<P>To optimize the capillary electrophoretic separation conditions for leucine enkephalin (LE) and the immune complex of the LE and anti-LE reaction, an analysis using a three-level, three-factorial Box–Behnken design was performed. Three separation parameters, buffer pH (X<SUB>1</SUB>), buffer concentration (X<SUB>2</SUB>), and applied voltage (X<SUB>3</SUB>), were chosen to observe the effect on separation responses. The responses were theoretical plate number, migration time of the LE peak, and resolution between the peaks. The optimum conditions and process validation were determined using statistical regression analysis and surface plot diagrams. The capillary electrophoresis optimum separation conditions were established to be 75 mM phosphate buffer at pH 7.00 with an applied separation voltage of 15 kV. By using the analysis technique, the prediction of responses was satisfactory and process verification yielded values within the ±5% range of the predicted efficiency.</P>
SILAR deposited iron phosphate as a bifunctional electrocatalyst for efficient water splitting
Babar, P.T.,Lokhande, A.C.,Shim, H.J.,Gang, M.G.,Pawar, B.S.,Pawar, S.M.,Kim, Jin Hyeok Elsevier 2019 JOURNAL OF COLLOID AND INTERFACE SCIENCE - Vol.534 No.-
<P><B>Abstract</B></P> <P>The development of efficient and earth-abundant electrocatalysts for overall water splitting is important but still challenging. Herein, iron phosphate (FeP<I>i</I>) electrode is synthesized using a successive ionic layer deposition and reaction (SILAR) method on a nickel foam substrate at room temperature and is used as a bifunctional electrocatalyst for water splitting. The prepared FeP<I>i</I> electrodes show excellent electrocatalytic activity and stability for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The FeP<I>i</I> electrode exhibits low overpotential of 230 mV and 157 mV towards the OER and HER, respectively, with superior long-term stability. As a result, an electrolyzer that exploits FeP<I>i</I> as both the anode and the cathode is constructed, which requires a cell potential of 1.67 V to deliver a 10 mA cm<SUP>−2</SUP> current density in 1 M KOH solution. The exceptional features of the catalyst lie in its structure and active metal sites, increasing surface area, accelerated electron transport and promoted reaction kinetics. This study may provide a facile and scalable approach to design a high-efficiency, earth-abundant electrocatalyst for water splitting.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Babar, P.T.,Lokhande, A.C.,Gang, M.G.,Pawar, B.S.,Pawar, S.M.,Kim, Jin Hyeok Elsevier 2018 Journal of industrial and engineering chemistry Vol.60 No.-
<P><B>Abstract</B></P> <P>Low-cost and competent electrocatalysts play a key role in an electrocatalytic water oxidation reaction. Herein, we report that readily available bare nickel foam (NF) can be used as conductive substrate and precursor to grow a porous nickel oxide (NiO) using a simple and scalable thermal oxidation method. The obtained NiO supported on NF is used as binder-free electrocatalyst for the oxygen evolution reaction (OER) and its electrochemical properties are evaluated by linear sweep voltammetry (LSV) in 1M KOH. The porous NiO thin film acts as an efficient electrocatalyst for the OER and achieves a catalytic current density of 10mAcm<SUP>−2</SUP> at an overpotential of 310mV with a smaller Tafel slope of 54mVdec<SUP>−1</SUP>. The electrode also shows good durability over 24h with negligible degradation. This durable and high-performance electrocatalyst can be a competitor to electrocatalysts that consist of costly elements and, require advanced synthesis; the NiO electrocatalyst shows progress towards the replacement of noble metal-based electrocatalysts for the OER.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Porous NiO has been synthesized by a simple thermal oxidation method. </LI> <LI> Thermally oxidized NiO show significantly enhanced OER activity. </LI> <LI> It is promising for fabrication of low-cost and robust OER electrode. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Babar, P.T.,Lokhande, A.C.,Pawar, B.S.,Gang, M.G.,Jo, Eunjin,Go, Changsik,Suryawanshi, M.P.,Pawar, S.M.,Kim, Jin Hyeok Elsevier 2018 APPLIED SURFACE SCIENCE - Vol.427 No.1
<P><B>Abstract</B></P> <P>The development of an inexpensive, stable, and highly active electrocatalyst for oxygen evolution reaction (OER) is essential for the practical application of water splitting. Herein, we have synthesized an electrodeposited cobalt hydroxide on nickel foam and subsequently annealed in an air atmosphere at 400°C for 2h. In-depth characterization of all the films using X-ray diffraction (XRD), X-ray photoelectron emission spectroscopy (XPS), field emission scanning electron microscopy (FE-SEM), electrochemical impedance spectroscopy (EIS) and linear sweep voltammetry (LSV) techniques, which reveals major changes for their structural, morphological, compositional and electrochemical properties, respectively. The cobalt hydroxide nanosheet film shows high catalytic activity with 290mV overpotential at 10mAcm<SUP>−2</SUP> and 91mVdec<SUP>−1</SUP> Tafel slope and robust stability (24h) for OER in 1M KOH electrolyte compared to cobalt oxide (340mV). The better OER activity of cobalt hydroxide in comparison to cobalt oxide originated from high active sites, enhanced surface, and charge transport capability.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Simple and highly efficient method for deposition of Cobalt based electrode. </LI> <LI> Efficient OER performance of Co(OH)<SUB>2</SUB>. </LI> <LI> Co(OH)<SUB>2</SUB> exhibits low overpotential (290mV) over Co<SUB>3</SUB>O<SUB>4</SUB> (340mV) at current density of 10mAcm<SUP>−2</SUP>. </LI> <LI> Superior performance of Co(OH)<SUB>2</SUB> mainly due to large surface and active sites compare to Co<SUB>3</SUB>O<SUB>4</SUB>. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>