1,300 research outputs found
Tea Tales – India’s ever evolving chai culture
No full textAs we observed International Tea Day on May 21, to peek into the vibrant history of chai and chai tapris in India, Village Square spoke to Arup K Chatterjee, professor of English at OP Jindal Global University. He is the author of widely acclaimed books including, The Purveyors of Destiny: A Cultural Biography of the Indian Railways and The Great Indian Railways
6 Indians who helped make London the city it is today
No full textArup K Chatterjee, author of Indians in London, tells us about the Indian people who came to London and changed it — as well as Britain and the world — for good
A Time-of-Flight Mass Spectrometric Study of Multiphoton Dissociation and Ionization of Selected Atmospherically Important Compounds
No full textThe thesis is concerned with the dissociation and ionization dynamics of selected atmospherically significant volatile organic compounds. The primary objective is to investigate the various photochemical events that take place within these molecules upon multiphoton excitation in the ultraviolet region of the electromagnetic spectrum. The major process that takes place upon multiphoton excitation of molecules is ionization of the followed by its dissociation in to different fragments.
However, many isomerization and rearrangement process can occur when the
molecules are excited to the intermediate excited states and can be probed using
multiphoton ionization. The new products formed due to isomerization or
rearrangement further absorb photons in the ultraviolet region can undergo
fragmentation and ionization.Thesis
Submitted for the Degree of
Doctor of Philosophy (Science)
in
Chemistry (Physical)
by
Arup Kumar Ghosh
Department of Chemistry
University of Calcutta
2014The research was conducted under CSIR project in the Physical Chemistry division of IACS under the supervision of Prof. Tapas Chakrabort
Liver abnormalities in celiac disease and response to gluten free diet: A systematic review and meta-analysis
No full textLiver involvement in celiac disease (CeD) is known but its various etiologies and the effect of gluten free diet (GFD) on it is understudied
Skills, Informality, and Development
No full textThis paper makes an attempt to estimate the index of informal sector employment which can be attributed to the supply-push phenomenon. Factors which explain the inter-state variations include the industrial-informal sector wage gap, revenue expenditure, and development expenditure incurred by the government. Increased development expenditure brings in a decline in distress-led informalization. With improved education, health, and infrastructure facilities the employability of an individual goes up, which, in turn, reduces the compulsion to get absorbed residually. However, expansion in government activities measured through increased revenue expenditure raises in-migration, which in turn raises the supply-push phenomenon. We also observed that with an increase in distress-led informalization inequality tends to rise. Adoption of labour intensive technology in the organized industrial sector is indeed crucial for pro-poor growth. The other policy implication is in terms of enhanced investment in the areas of education, health and other infrastructural facilities.Informal sector, supply-push, development expenditure, stochastic frontier
Interview with Arup K Chatterjee
No full textArup K Chatterjee was awarded his doctorate at the Center for English Studies, Jawaharlal Nehru University, in 2015. He has taught English, as an Assistant Professor, at colleges in the University of Delhi. In 2014-15 he was a recipient of Charles Wallace fellowship to the United Kingdom. He is the founding-chief-editor of Coldnoon: International Journal of TravelWriting & Travelling Cultures <http://www.coldnoon.com/>. He is the author of The Purveyors of Destiny: A Cultural Biography of the Indian Railways (Bloomsbury, 2017). He is an Assistant Professor at the School of Law, O.P. Jindal Global University.</jats:p
Encrypted Medical Image Storage in DNA Domain
No full textMedical images have become an integral part of healthcare systems to provide quick and accurate treatment of diseases. The challenge, however, is to store these data, as they are huge in volume. DNA provides an efficient medium for the storage of bulk data. This data can be secured against malicious use using DNA based encryption algorithms. This paper presents a novel DNA based compression-encryption algorithm, specially designed for medical images. A significant part of medical images contains homogeneous pixels, which are even more prominent when decomposed into their bit-planes. This redundancy can be removed while compression, based on which the proposed DNA-based QuadTree Decomposition algorithm has been designed. A sequence of four DNA nucleotides represents the entire image, and these can be used to recover back the original image using the decoding algorithm. To secure the obtained sequences, DNA-based Advanced Encryption Standard (AES) algorithm is applied in Cipher Block Chaining (CBC) mode which encrypts the sequences using the symmetric key and initial vector parameters. The image cannot be recovered from these encrypted sequences unless decrypted using the correct key, and the algorithm for AES is secured against cryptographic attacks
The Global Financal Crisis: Learning from Regulatory and Governance Studies
No full textW swoim artykule Christopher Arup analizuje wyniki badań nad procesami tworzenia regulacji, rządzenia oraz nad wpływami wielkich korporacji na światową gospodarkę przed globalnym kryzysem finansowym i podczas jego trwania. Autor podkreśla konieczność wypracowania szerszej demokratycznej kontroli nad zasobami finansowymi przy jednoczesnym ograniczeniu uzależnienia od kapitalizmu ściśle finansowego takich dziedzin, jak najważniejsze rodzaje usług ubezpieczenia społeczne i ochrona środowiska naturalnego.In his article, Christopher Arup analyses the impacts of different studies on the processes of shaping regulations, governance and responsibilities of corporations and their influence on the world's economy prior to and during the recent global financial crisis. The author emphasizes the need for a greater democratic control of financial resources and, at the same time, calls for less dependence on finance capitalism in the fields of essential services, social security and environment protection
Type II band alignment in InAs zinc-blende/wurtzite heterostructured nanowires
No full textIn this article we demonstrate type-II band alignment at the wurtzite/zinc-blende hetero-interface in InAs polytype nanowires using resonance Raman measurements. Nanowires were grown with an optimum ratio of the above mentioned phases, so that in the electronic band alignment of such NWs the effect of the difference in the crystal structure dominates over other perturbing effects (e.g. interfacial strain, confinement of charge carriers and band bending due to space charge). Experimental results are compared with the band alignment obtained from density functional theory calculations. In resonance Raman measurements, the excitation energies in the visible range probe the band alignment formed by the E 1 gap of wurtzite and zinc-blende phases. However, we expect our claim to be valid also for band alignment near the fundamental gap at the heterointerface
Investigating cloud-cloud collisions and hub-filament systems: pathways to massive star formation
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