PUBLICATIONS
2024
80. Microporous organic ladder polymer with vertically aligned quinones for sodium-ion battery
Suprabhat Sarkar, Tapas Kumar Dutta, Krishnendu Jana, Balaji Prasad Mandal, and Abhijit Patra*
Small, 2024, 2407756. (Link)
79. Rapid Conversion of CO2 using Propargylic Amines by Silver Nanoparticle-loaded Triazole-based Porous Organic Polymer
Aniket Sahoo, Arkaprabha Giri, MD. Waseem Hussain*, Shilpi Jaiswal, Abhijit Patra*
ACS. Appl. Nano Mater., 2024, 7, 25054-25064. (Link)
78. Intriguing Facets of Solution Processable Cross-linked Porous Organic Polymers
Madhurima Sarkar, Suprabhat Sarkar, Monisha Saha, Khushi Luvani, Abhijit Patra*
Acc. Mater. Res., 2024, 5, 1353-1365. (Link)
77. Unraveling Early-Stage Dynamics of Cage-to-Covalent Organic Framework Transformation at Liquid-Liquid Interface
G. Shreeraj, Madhvi Tiwari, Venkateshwar Rao Dugyala*, Abhijit Patra*
Langmuir, 2024, 40, 16419–16429. (Invited article) (Link)
(Top 20 most downloaded Langmuir article in August 2024)
76. Imidazolium and Pyridinium-based Ionic Porous Organic Polymers: Advances in Transformative Solutions for Oxoanion Sequestration and Non-redox CO2 Fixation
Aniket Sahoo, Shilpi Jaiswal, Subhadeep Das, Abhijit Patra*
ChemPlusChem, 2024, e202400189. (Invited review) (Link)
75. Surface functionalized perovskite nanocrystals: Design strategy for organelle-specific fluorescence lifetime multiplexing
Anik Kumar Dey, Subhadeep Das, Sharon Mary Jose, Sreejesh Sreedharan, Noufal Kandoth, Surajit Barman, Abhijit Patra*, Amitava Das* and Sumit Kumar Pramanik*
Chem. Sci., 2024, 15, 10935-10944. (Link)
74. Multistate Electrochromic Covalent Organic Framework Film for Electronic Safety Indicator
Tapas Kumar Dutta, Subham Das, Madhurima Sarkar, Mitradip Bhattacharjee*, and Abhijit Patra*
Chem. Mater., 2024, 36, 8027–8036. (Link)
73. Copper/Zinc-Catalyzed Stitching of 2-Carbonylanilines with Bis(ynamides): Access to Pyrrolo[2,3-b]quinolines and Its Photophysical Studies
Shivani Choudhary, Gayyur, Arnab Mandal, Abhijit Patra, Ruchir Kant, and Nayan Ghosh*
J. Org. Chem., 2024, 89, 6274–6280. (Link)
72. Porous organic polymer for symmetric sodium dual-ion battery through adsorption-intercalation-insertion mechanism
Suprabhat Sarkar, Tapas Kumar Dutta, Balaji Prasad Mandal and Abhijit Patra*
Chem. Commun., 2024, 60, 5010-5013. (Link)
71. Unveiling autophagy and aging through time-resolved imaging of lysosomal polarity with a delayed fluorescent emitter
Subhadeep Das, Abhilasha Batra, Subhankar Kundu, Rati Sharma, and Abhijit Patra*
Chem. Sci., 2024, 15, 102-112. (Link)
70. Pushing the Boundaries of Covalent Organic Frameworks through Postsynthetic Linker Exchange
G. Shreeraj, Arkaprabha Giri, Abhijit Patra*
ChemNanoMat, 2024, 10, e202300398. (Invited review) (Link)
2023
69. UV-to-NIR Harvesting Conjugated Porous Polymer Nanocomposite: Upconversion and Plasmon Expedited Thioether Photooxidation
Shilpi Jaiswal, Arkaprabha Giri, Dipendranath Mandal, Madhurima Sarkar, Abhijit Patra*
Angew. Chem. Int. Ed., 2023, 62, e202312910. (Link)
(Highlighted in The Hindustan Times, Times of India, The Hindu, ANI News, Indian Economic Observer, Indian News Network, The Free Press Journal, The News Room, Humara Metro, Drumpe)
68. Unveiling the Long-Lived Emission of Copper Nanoclusters Embedded in a Protein Scaffold
Shagun Sharma, Subhadeep Das, Kush Kaushik, Aditya Yadav, Abhijit Patra*, and Chayan Kanti Nandi*
J. Phys. Chem. Lett., 2023, 14, 8979–8987. (Link)
67. Transformation of Imine Cage to Covalent Organic Framework Film at the Liquid-Liquid Interface
Arkaprabha Giri, G. Shreeraj, Tapas Kumar Dutta and Abhijit Patra*
Angew. Chem. Int. Ed., 2023, 62, e202219083. (Link)
(Highlighted in The Hindustan Times, The Free Press Journal, The Hindu Business Line, Careers360, Prabha Sakshi, Business World – Education, The Hindu)
66. Structural Modulation of Nitrogen-Rich Covalent Organic Frameworks for Iodine Capture
G. Shreeraj, Ajay Sah, Suprabhat Sarkar, Arkaprabha Giri, Aniket Sahoo, Abhijit Patra*
Langmuir, 2023, 39, 16069–16078. (Link)
(Top 20 most downloaded Langmuir article in October and December 2023)
65. Fluorescence correlation spectroscopy and fluorescence lifetime imaging microscopy for deciphering the morphological evolution of supramolecular self-assembly
Subhankar Kundu, Subhadeep Das and Abhijit Patra*
Chem. Commun., 2023, 59, 8017-8031. (Link)
64. Boosting Photocatalytic Nitrogen Fixation via Nanoarchitectonics Using Oxygen Vacancy Regulation in W-Doped Bi2MoO6 Nanosheets
Manisha Sharma, Ashish Kumar, Deepika Gill, Shilpi Jaiswal, Abhijit Patra*, Saswata Bhattacharya*, and Venkata Krishnan*
ACS Appl. Mater. Interfaces, 2023, 15, 55765–55778. (Link)
63. N,N’-octyl biphenothiazine and dibenzothiophene dioxide-based soluble porous organic polymer for biphasic photocatalytic hydrogen evolution
Madhurima Sarkar and Abhijit Patra*
Chem. Commun., 2023, 59, 2584-2587. (Link)
(This article is part of the themed collection: Chemical Communications HOT Articles 2023)
62. Tailoring defects in SrTiO3 by one step nanoarchitectonics for realizing photocatalytic nitrogen fixation in pure water
Ashish Kumar, Manisha Sharma, Sajjan Sheoran, Shilpi Jaiswal, Abhijit Patra,* Saswata Bhattacharya* and Venkata Krishnan*
Nanoscale, 2023, 15, 11667-11680. (Link)
61. Pyridinium-functionalized Ionic Porous Organic Polymer for Rapid Scavenging of Oxoanions from Water
Shibashis Nayak, Aniket Sahoo, G Swarna Naidu, Arkaprabha Giri,* Abhijit Patra*
Macromol. Rapid Commun., 2023, 44, 2300138. (Link)
60. Ni3V2O8@g-CN nanocomposite-based p-n heterojunction: Mechanistic insights on photocatalytic activation of inert C(sp3)-H bond
Anjali Verma, Arpna Jaryal, Deepak Kumar Chauhan, Venugopala Rao Battula, Madhurima Sarkar, Abhijit Patra and Kamalakannan Kailasam*
Sustain. Energy Fuels, 2023, 7, 2727-2739. (Link)
59. Unraveling Molecular Assembly and Tracking Lipid Droplet Dynamics using Fluorescent Phenanthroimidazole Derivatives
Subhankar Kundu, Bahadur Sk, Nitu Saha, Subhadeep Das, Tapas Kumar Dutta, Abhilasha Batra, Raghuvir Singh Tomar, Abhijit Patra*
ACS Materials Lett., 2023, 5, 27–35. (Link)
2022
58. An insight towards the photo-generation of H2 and multifarious carbon fuel additive from biomass-derived ethanol: Boosting the bio-chemical economy
Deepak Kumar Chauhan, Madhurima Sarkar, Abhijit Patra and Kamalakannan Kailasam*
J. Mater. Chem. A, 2022, 10, 22289-22300. (Link)
57. Metal-free room-temperature phosphorescence
Shuzo Hirata*, Sebastian Reineke*, Abhijit Patra* and Wang Zhang Yuan*
Editorial: Front. Chem., 2022, 10, 11025674. (Link)
56. The order-disorder conundrum: a trade-off between crystalline and amorphous porous organic polymers for task-specific applications
Arkaprabha Giri, Yashna Khakre, G. Shreeraj, Tapas Kumar Dutta, Subhankar Kundu and Abhijit Patra*
J. Mater. Chem. A, 2022, 10, 17077-17121. (Link)
55. Molecular to Supramolecular Self-Assembled Luminogens for Tracking the Intracellular Organelle Dynamics
Subhankar Kundu,* Subhadeep Das, Shilpi Jaiswal, and Abhijit Patra*
ACS Appl. Bio Mater., 2022, 5, 3623–3648. (Link)
54. Porous Organic Polymers: Promising Testbed for Heterogeneous Reactive Oxygen Species Mediated Photocatalysis and Nonredox CO2 Fixation
Arkaprabha Giri and Abhijit Patra*
Chem. Rec., 2022, 22, e202200071. (Link)
53. Progress and perspective: fluorescent to long-lived emissive multifunctional probes for intracellular sensing and imaging
Shilpi Jaiswal, Subhadeep Das, Subhankar Kundu, Isha Rawal, Prashant Anand and Abhijit Patra*
J. Mater. Chem. C, 2022, 10, 6141-6195. (Invited review) (Link)
52. Nanostructured Hypercrosslinked Porous Organic Polymers: Morphological Evolution and Rapid Separation of Polar Organic Micropollutants
Arkaprabha Giri, Subha Biswas, MD. Waseem Hussain, Tapas Kumar Dutta and Abhijit Patra*
ACS Appl. Mater. Interfaces, 2022, 14, 7369–7381. (Link)
(Highlighted in The Better India, The Telegraph, Vigyan Prasar, India Today, NDTV and The Hindustan Times)
(Featured in Science Monitor)
51. Three in One: Stimuli-Responsive Fluorescence, Solid-State Emission, and Dual-Organelle Imaging Using a Pyrene-Benzophenone Derivative
Subhankar Kundu, Subhadeep Das, Abir Dutta and Abhijit Patra*
J. Phys. Chem. B, 2022, 126, 691–701. (Link)
2021
50. UV to NIR multistate electrochromism and electrofluorochromism in dibenzophenazine-arylamine derivatives
Bahadur Sk, Madhurima Sarkar, Kuldeep Singh, Arunava Sengupta and Abhijit Patra*
Chem. Commun., 2021, 57, 13590-13593. (Link)
49. Photocatalytic valorization of furfural to value-added chemicals via mesoporous carbon nitride: A possibility through metal-free pathway
Deepak K. Chauhan, Venugopala R. Battula, Arkaprabha Giri, Abhijit Patra and Kamalakannan Kailasam*
Catal. Sci. Technol., 2022, 12, 144-153. (Link)
48. Red Thermally Activated Delayed Fluorescence in Dibenzopyridoquinoxaline-Based Nanoaggregates
Subhadeep Das, Subhankar Kundu, Bahadur Sk, Madhurima Sarkar, Abhijit Patra*
Organic Materials, 2021, 3, 477-487. (Link)
47. Pyrene-cyanostyrene-pyridine Triad: Multi-stimuli Responsive Fluorescent Emitter and Mitochondrial Imaging
Jumana Hasin M, Arkaprabha Giri,* Subhankar Kundu,* Virendra Kumar, Bahadur Sk, Abhijit Patra
Chem. Phys. Impact, 2021, 3, 100036. (Link)
46. Two-dimensional Covalent Organic Frameworks for Electrochromic Switching
Madhurima Sarkar, Tapas Kumar Dutta, Abhijit Patra*
Chem Asian J., 2021, 16, 3055–3067. (Invited mini-review) (Link)
45. A Tailored Heptazine-Based Porous Polymeric Network as a Versatile Heterogeneous (Photo)catalyst
Neha Sharma, Sunil Kumar, Venugopala R. Battula, Anu Kumari, Arkaprabha Giri, Abhijit Patra, and Kamalakannan Kailasam*
Chem. Eur. J., 2021, 27, 10649–10656. (Link)
44. N,N' -bicarbazole-benzothiadiazole-based conjugated porous organic polymer for reactive oxygen species generation in live cells
Subhankar Kundu, Biswajit Behera, Arkaprabha Giri, Nitu Saha and Abhijit Patra*
Chem. Commun., 2021, 57, 6875-6878. (Link)
43. A hybrid upconversion nanoprobe for ratiometric detection of aliphatic biogenic amines in aqueous medium
Shilpi Jaiswal, Subhankar Kundu, Sujoy Bandyopadhyay and Abhijit Patra*
Nanoscale Adv., 2021, 3, 3232-3239. (Link)
42. One-Pot Phosphine-Free Route for Single-Component White Light Emitting CdSeS Alloy Nanocrystals
Shilpi Jaiswal, Jyotsana Pathak, Subhankar Kundu, and Abhijit Patra*
ACS Sustainable Chem. Eng., 2021, 9, 5613–5622. (Link)
41. Porous noria polymer: a cage-to-network approach toward a robust catalyst for CO2 fixation and nitroarene reduction
Arkaprabha Giri, Niraj Nitish Patil and Abhijit Patra*
Chem. Commun., 2021, 57, 4404-4407. (Link)
40. Deciphering the evolution of supramolecular nanofibers in solution and solid-state: a combined microscopic and spectroscopic approach
Subhankar Kundu, Arkaprava Chowdhury, Soumen Nandi, Kankan Bhattacharyya* and Abhijit Patra*
Chem. Sci., 2021, 12, 5874-5882. (Link)
39. Post‐synthetic modification of covalent organic frameworks through in situ polymerization of aniline for enhanced capacitive energy storage
Tapas Kumar Dutta, and Abhijit Patra*
Chem. Asian J., 2021, 16, 158-164. (Link)
2020
38. Cavitand and Molecular Cage-Based Porous Organic Polymers
Arkaprabha Giri*, Aniket Sahoo, Tapas Kumar Dutta, and Abhijit Patra*
ACS Omega, 2020, 5, 28413–28424. (Invited mini-review) (Link)
37. N-rich electron acceptors: triplet harvesting in multichromophoric pyridoquinoxaline and pyridopyrazine-based organic emitters
Bahadur Sk, Samarth Sharma, Anto James, Subhankar Kundu and Abhijit Patra*
J. Mater. Chem. C, 2020, 8, 12943-12950. (Link)
36. Multifunctional ionic porous frameworks for CO2 conversion and combating microbes
Md Waseem Hussain, Vipin Bhardwaj, Arkaprabha Giri, Ajit Chande* and Abhijit Patra*
Chem. Sci., 2020, 11, 7910-7920. (Link)
35. Molecular engineering approaches towards all-organic white light emitting materials
Subhankar Kundu, Bahadur Sk, Pragyan Pallavi, Arkaprabha Giri and Abhijit Patra*
Chem. Eur. J., 2020, 26, 5557-5582. (Link)
2019
34. Naked-eye colorimetric sensor for methanol and ‘turn-on’ fluorescence detection of Al3+
Virendra Kumar,* Subhankar Kundu, Bahadur Sk and Abhijit Patra
New J. Chem., 2019, 43, 18582-18589. (Link)
33. ‘Connecting the dots’: knitting C-phenylresorcin[4]arenes with aromatic linkers for task-specific porous organic polymers
Arkaprabha Giri, Md Waseem Hussain, Bahadur Sk and Abhijit Patra*
Chem. Mater., 2019, 31, 8440-8450. (Link)
32. Organic nanocage: A promising testbed for catalytic CO2 conversion
Md Waseem Hussain, Arkaprabha Giri and Abhijit Patra*
Sustainable Energy Fuels, 2019, 3, 2567-2571. (Link)
2018
31. Excited-state intramolecular proton transfer-based multifunctional solid-state emitter: a fluorescent platform with ‘write-erase-write’ function
Pragyan Pallavi, Virendra Kumar, Md Waseem Hussain and Abhijit Patra*
ACS Appl. Mater. Interfaces, 2018, 10, 44696-44705. (Link)
30. Dynamic and static excimer: a versatile platform for single component white light emission and chelation-enhanced fluorescence
Virendra Kumar, Bahadur Sk, Subhankar Kundu and Abhijit Patra*
J. Mater. Chem. C, 2018, 6, 12086-12094. (Link)
29. A smart photosensitizer based on a red emitting solution processable porous polymer: generation of reactive oxygen species
Sujoy Bandyopadhyay, Subhankar Kundu, Arkaprabha Giri and Abhijit Patra*
Chem. Commun., 2018, 54, 9123-9126. (Link)
28. Redox-active pyrene-based pristine porous organic polymers for efficient energy storage with exceptional cyclic stability
Sujoy Bandyopadhyay, Chanderpratap Singh, Priyajit Jash, Md Waseem Hussain, Amit Paul* and Abhijit Patra*
Chem. Commun., 2018, 54, 6796-6799. (Link)
27. T and V-shaped donor-acceptor-donor molecules involving pyridoquinoxaline: large Stokes shift, environment-sensitive tunable emission and temperature-induced fluorochromism
Bahadur Sk, Saurabh Khodia and Abhijit Patra*
Chem. Commun., 2018, 54, 1786-1789. (Link)
2017
26. Tuning the Förster Resonance Energy Transfer through Self-assembly Approach for Efficient White-light Emission in Aqueous Medium
Pragyan Pallavi, Bahadur Sk, Palak Ahir and Abhijit Patra*
Chem. Eur J., 2017, 24, 1151-1158. (Link)
25. Microporous organic polymers involving thiadiazolopyridine for high and selective uptake of greenhouse gases at low pressure
Md. Waseem Hussain, Sujoy Bandyopadhay and Abhijit Patra*
Chem. Commun., 2017, 53, 10576-10579. (Link)
24. A pyridoindole based multifunctional bioprobe: pH-induced fluorescence switching and specific targeting of lipid droplets
Bahadur Sk, Pilendra Thakre, Raghuvir Singh Tomar, and Abhijit Patra*
Chem. Asian J., 2017, 18, 2501-2509. (Link)
23. Soluble conjugated porous organic polymer: efficient white light emission in solution, nanoparticles, gel and transparent thin film
Pragyan Pallavi, Sujoy Bandyopadhyay, Jesna Louis, Arundhati Deshmukh and Abhijit Patra*
Chem. Commun., 2017, 53, 1257-1260. (Link)
2016
22. Multifunctional Porous Organic Polymers: Tuning of Porosity, CO2, and H2 Storage and Visible-Light-Driven Photocatalysis
Sujoy Bandyopadhyay, Amith G. Anil, Anto James and Abhijit Patra*
ACS Appl. Mater. Interfaces, 2016, 8, 27669-27678. (Link)
21. Trace level detection of nitroanilines by a solution processable fluorescent porous organic polymer
Arundhati Deshmukh, Sujoy Bandyopadhyay, Anto James and Abhijit Patra*
J. Mater. Chem. C, 2016, 6, 3775-3780. (Link)
20. C-C coupling over Schiff base condensation: a rational design strategy for a strongly fluorescent molecular material
Bahadur Sk, A. Patra*
CrystEngComm., 2016, 18, 4290-4294. (Link)
19. Conjugated Polymer Nanoparticle-Triplet Emitter Hybrids in Aqueous Dispersion: Fabrication and Fluorescence Quenching Behavior
S. Bandyopadhyay, R. Metivier, P. Pallavi, E. Preis, K. Nakatani, K. Landfester, A. Patra,* U. Scherf
Macromol. Rapid Commun., 2016, 37, 271-277. (Link)
2015
18. Fabrication of porous organic polymers in the form of powder, soluble in organic solvents and nanoparticles: a unique platform for gas adsorption and efficient chemosensing
S. Bandyopadhyay, P. Pallavi, A. Anil, A Patra*
Polym. Chem., 2015, 6, 3775-3780. (Link)
2014
17. One-pot Synthesis of Highly Fluorescent Pyrido[1,2-a]indole Derivatives via C-H/N-H Activation: Photophysical Investigations and Application in Cell Imaging
S. Samala, P. Pallavi, R. Kumar, R. K. Arigela, G. Singh, R. S. Ampapathi, A. Priya, S. Datta, A. Patra*, B. Kundu*
Chem. Eur. J., 2014, 20, 14344-14350. (Link)
Before joining IISERB
16. Spectral, Conformational and Photochemical Analyses of Photochromic Dithienylethene: cis-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene Revisited
F. G. Erko, J. Berthet, A. Patra, R. Guillot, K. Nakatani, R. Metivier, S. Delbaere*
Eur. J. Org. Chem., 2013, 7809-7814.
15. Fluorescent Microporous Organic Polymers: Potential Testbed for Optical Applications
A. Patra,* U. Scherf*
Chem. Eur. J., 2012, 18, 10074-10080.
14. Photochromic One-Dimensional Nanostructures Based on Dithienylethene: Fabrication by Light Induced Precipitation and Reversible Transformation in the Nanoparticle State
A. Patra,* R. Metivier,* F. Brisset, K. Nakatani.
Chem. Commun., 2012, 48, 2489-2491 (inside cover page).
13. Optical Materials Based on Molecular Nanoparticles
A. Patra,* Ch. G. Chandaluri, T. P. Radhakrishnan*
Nanoscale, 2012, 4, 343-359 (Review article).
12. Dye-terminated, Hyperbranched Polytruxenes and Polytruxene-b-polythiophene Multiblock Copolymers Made in an AB2 + A Approach
J. Koenen, S. Jung, A. Patra, A. Helfer, U. Scherf*
Adv. Mater., 2012, 24, 681-686.
11. Polyfluorene Nanoparticles Coated with Folate-Conjugated Triblock Co-polymer: Effective Agents for Targeted Cell Imaging
L. Liu, A. Patra, U. Scherf, T. Kissel*
Macromol.Biosci., 2012, 12, 1384-1390.
10. Fluorescent Nanoparticles Based on Microporous Organic Polymer Network: Fabrication and Efficient Energy Transfer to Surface-bound Dyes
A. Patra,* J. Koenen, U. Scherf
Chem. Commun., 2011, 47, 9612-9614.
9. SHG-Active Molecular Nanorods with Intermediate Photochromic Properties Compared to Solution and Bulk Solid States
A. Patra, R. Metivier, J. Piard, K. Nakatani*
Chem.Commun., 2010, 46, 6385-6387.
8. Polyelectrolyte-Assisted Formation of Molecular Nanoparticles Exhibiting Strongly Enhanced Fluorescence
Ch. G. Chandaluri, A. Patra, T. P. Radhakrishnan*
Chem. Eur. J., 2010, 16, 8699-8706.
7. Probing Photochromic Properties by Correlation of UV-Visible and Infra-Red Absorption Spectroscopy: a Case Study with Cis-1,2-dicyano-1,2-bis(2,4,5-trimethyl-3- thienyl)ethene
A. Spangenberg, J. A. P. Perez, A. Patra, J. Piard, A. Brosseau, R. Metivier,* K. Nakatani*
Photochem. Photobiol. Sci., 2010, 9, 188-193.
6. Molecular Materials with Contrasting Optical Responses from a Single Pot Reaction and Fluorescence Switching in a Carbon Acid
A. Patra, T. P. Radhakrishnan*
Chem. Eur. J., 2009, 15, 2792-2800.
5. Optical Limiting in Organic Molecular Nano/microcrystals: Nonlinear Optical Effects Dependent on Size Distribution
A. Patra, N. Venkatram, D. N. Rao, T. P. Radhakrishnan*
J. Phys. Chem. C, 2008, 112, 16269-16274.
4. Optical Materials Based on Molecular Nano/microcrystals and Ultrathin Films
A. Patra, K. Rajesh, T. P. Radhakrishnan*
Mater. Sci., 2008, 31, 421-427.
3. Formation and Growth of Molecular Nanocrystals Probed by their Optical Properties
A. Patra, N. Hebalkar, B. Sreedhar, T. P. Radhakrishnan*
J. Phys. Chem. C, 2007, 111, 16184-16191.
2. Tris(4-cyanophenyl)amine: Simple Synthesis via Self-assembly and Strong Fluorescence in Solution, Nano/microcrystals and Solid
A. Patra, S. P. Anthony, T. P. Radhakrishnan*
Adv. Funct. Mater., 2007, 17, 2077-2084.
1. Tuning the Size and Optical Properties in Molecular Nano/microcrystals: Manifestation of Hierarchical Interactions
A. Patra, N. Hebalkar, B. Sreedhar, M. Sarkar, A. Samanta, T. P. Radhakrishnan*
Small, 2006, 2, 650-659.
Background courtesy: Mr. Arindum Gupta