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P. Malathy, P. Sharmila, J. Srinivasan, Bakthadoss Manickam, S. Aravindhan 조선대학교 기초과학연구원 2016 조선자연과학논문집 Vol.9 No.2
The crystal structure of the potential active Methyl 8-bromo-3-phenyl-5a,9a-dihydro-3H- chromen [4,3-c][1,2] isoxazole- 3a(4H)- carboxylate (C18H15BrNO4) has been determined from single crystal X-ray diffraction technique. The title compound crystallizes in the triclinic space group Pī with unit cell dimension a=8.3129 (3) Å, b=9.5847 (4) Å and c= 11.1463(4) Å [α= 98.457(3)°, β= 102.806(2)° and γ= 105.033(5)°]. Single crystals suitable for X-ray diffraction were obtained by slow evaporation method, the isoxazole and six membered pyran rings adopts envelope conformation. In the crystal, molecules are linked via pairs of inter molecular C-H…O hydrogen bonds to form dimmers.
Malathy, P.,Sharmila, P.,Srinivasan, J.,Manickam, Bakthadoss,Aravindhan, S. The Basic Science Institute Chosun University 2016 조선자연과학논문집 Vol.9 No.2
The crystal structure of the potential active Methyl 8-bromo-3-phenyl-5a,9a-dihydro-3H-chromen [4,3-c][1,2] isoxazole-3a(4H)-carboxylate ($C_{18}H_{15}BrNO_4$) has been determined from single crystal X-ray diffraction technique. The title compound crystallizes in the triclinic space group Pī with unit cell dimension a=8.3129 (3) ${\AA}$, b=9.5847 (4) ${\AA}$ and c=11.1463(4) ${\AA}$ [${\alpha}=98.457(3)^{\circ}$, ${\beta}=102.806(2)^{\circ}$ and ${\gamma}=105.033(5)^{\circ}$]. Single crystals suitable for X-ray diffraction were obtained by slow evaporation method, the isoxazole and six membered pyran rings adopts envelope conformation. In the crystal, molecules are linked via pairs of inter molecular $C-H{\ldots}O$ hydrogen bonds to form dimmers.
V. Anbukkarasi,R. Theivaraman,M. Marudai,P. S. SRINIVASAN 한국수학교육학회 2023 純粹 및 應用數學 Vol.30 No.4
The purpose of this paper is establish the existence of proximity point for the cyclic B-contraction mapping on metric spaces and uniformly convex Banach spaces. Also, we prove the common proximity point for the S-weakly cyclic B-contraction mapping. In addition, a few examples are provided to demonstrate our findings
P. Malathy, P. Sharmila, J. Srinivasan, Bakthadoss Manickam, S. Aravindhan 조선대학교 기초과학연구원 2016 조선자연과학논문집 Vol.9 No.2
The crystal structure of the potential active 6-ethoxy-3-phenyl-5a,9a-dihydro-3H-chromen[4,3 -c][1,2]oxazole-3a(4H)- carbonitrile (C19H15N2O3) has been determined from single crystal X-ray diffraction technique. The title compound crystallizes in the monoclinic space group C2/c with unit cell dimension a= 29.3026(9) Å, b= 6.7695(2) Å and c= 19.7597(6) Å [α= 90°, β= 125.709 (10)° and γ= 90°]. Single crystals suitable for X-ray diffraction were obtained by slow evaporation method, the isoxazole and six membered pyran rings adopts envelope conformation. The crystal packing of the molecules is stabilized by the weak C-H…N hydrogen bond interaction.
Singu, B.S.,Male, U.,Srinivasan, P.,Yoon, K.R. THE KOREAN SOCIETY OF INDUSTRIAL AND ENGINEERING 2017 JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY -S Vol.49 No.-
<P>Multi-walled carbon nanotubes (MWNTs), and titanium oxide (TiO2) were incorporated in polyaniline (PANI) to enhance the pseudocapacitance and cycle stability of PANI. PANI-MWNTs-TiO2, ternary composite was prepared by in-situ chemical polymerization of aniline in the presence of MWNTs and TiO2. Morphology analysis of ternary composite revealed the uniform covering of MWNTs by PANI nanofibers and TiO2 nanoparticles. The specific capacitance of PANI-MWNTs-TiO2 is 270 Fg-1, much higher than that of MWNTs (30 Fg(-1)) and PANI (210 Fg(-1)) electrodes. PANI-MWNTs-TiO2 showed good rate capability with excellent cycling stability. (C) 2017 Published by Elsevier B.V. on behalf of The Korean Society of Industrial and Engineering Chemistry.</P>
Approximate best proximity pair results on metric spaces using contraction operators
R. Theivaraman,P. S. SRINIVASAN,A. Herminau Jothy 강원경기수학회 2023 한국수학논문집 Vol.31 No.3
The aim of this paper is to prove some new approximate best proximity pair theorems on metric spaces using contraction mappings such as $P$-Bianchini contraction, $P-B$ contraction and so on. A few examples are provided to exemplify our findings. Finally, we discuss some applications that are related to the main results.
A Novel Iris Authentication Using ECDSA
Srinivasan Nagaraj,Dr. G. S. V. P. Raju 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.1
The Cryptographic systems need a secret key or a random number must be necessarily tied to an individual through a unique identifier. This unique identifier definitely might exist a globally user id or biometric data [2]. In this paper we combined biometric with cryptography in which the intensity of each pixel of iris is changed into the elliptic curve and encrypted using ECC. The receiver end original image is recovered by using their decryption and authentication [8] is performed using ECDSA. The proposed technique is implemented for BMP images. We can enroll and add the number of images for authentication .It has been also performed more security if the image is recovered without being any side channel attack.