Search results for: Soma Chattopadhyay

Items from 1 to 20 out of 21 results

article

Perturbations in spike‐specific peripheral T follicular helper cells in SARS‐CoV2 breakthrough convalescent individuals immunized by BBV152 vaccine

Soumya Sengupta, Shubham K. Shaw, Sanchari Chatterjee, Gargee Bhattacharya, more

Journal of Medical Virology > 95 > 9 > n/a - n/a

Severe acute respiratory syndrome coronavirus 2 (SARS‐Cov2) infection has caused an increase in mortality and morbidity, but with vaccination, the disease severity has significantly reduced. With the emergence of various variants of concern (VOCs), the vaccine breakthrough infection has also increased. Here we studied circulating spike‐specific T follicular response (cTfh) in infection‐naïve vaccinees...

article

Epidemiological trends and molecular dynamics of dengue, chikungunya virus infection, coinfection, and other undifferentiated fever during 2015‐2016 in Odisha, India

Tanuja Saswat, Nalinee Sahoo, Sagarika Muduli, Nagen Kumar Debata, more

Journal of Medical Virology > 91 > 2 > 163 - 170

Chikungunya virus (CHIKV) infection is spatiotemporally related to dengue virus (DENV) infection and mostly undiagnosed due to similar primary symptoms. In 2013, a high rate (36%) of coinfection of DENV and CHIKV was reported in Odisha. Hence, the hospital‐based study was continued to synthesis current epidemiological understanding of their single distribution or coinfection. Suspected DENV patients...

article

Investigation of the synthesis and characterization of platinum-DMSA nanoparticles using millifluidic chip reactor

Chelliah V. Navin, Katla Sai Krishna, G. Lisa Bovenkamp-Langlois, Jeffery T. Miller, more

Chemical Engineering Journal > 2015 > 281 > C > 81-86

A continuous flow process for production of water-soluble Platinum-Dimercaptosuccinic acid (Pt(DMSA)) nanoparticles at ambient conditions using millifluidics is demonstrated. The process development was supported by in-situ synchrotron radiation-based X-ray absorption spectroscopy (XAS) investigations. The XAS revealed that the nucleation and growth of the Pt(DMSA) nanoparticles is extremely fast...

article

High rates of co-infection of Dengue and Chikungunya virus in Odisha and Maharashtra, India during 2013

Tanuja Saswat, Abhishek Kumar, Sameer Kumar, Prabhudutta Mamidi, more

Infection, Genetics and Evolution > 2015 > 35 > Complete > 134-141

Dengue viral (DENV) infection is endemic in different parts of India and because of similar primary signs and symptoms, Chikungunya virus (CHIKV) is mostly undiagnosed. Hence, we investigated 204 suspected Dengue cases in a hospital based cross-sectional study in Odisha, India in 2013. It was observed that 50 samples were positive for DENV only, 28 were positive for CHIKV only and interestingly, 28...

article

In silico analysis of MHC-I restricted epitopes of Chikungunya virus proteins: Implication in understanding anti-CHIKV CD8+ T cell response and advancement of epitope based immunotherapy for CHIKV infection

B.M. Pratheek, Amol R. Suryawanshi, Soma Chattopadhyay, Subhasis Chattopadhyay

Infection, Genetics and Evolution > 2015 > 31 > Complete > 118-126

Chikungunya virus (CHIKV) is a mosquito-borne Alphavirus, responsible for acute febrile infection. The high morbidity and socio-economic loss associated with the recent CHIKV epidemics worldwide have raised a great public health concern and emphasize the need to study the immunological basis of CHIKV infection to control the disease. MHC-I restricted CD8 ⁺ T cell response represent one of...

article

Development of novel antibodies against non-structural proteins nsP1, nsP3 and nsP4 of chikungunya virus: potential use in basic research

Sameer Kumar, Prabhudutta Mamidi, Abhishek Kumar, Itishree Basantray, more

Archives of Virology > 2015 > 160 > 11 > 2749-2761

Chikungunya virus (CHIKV) has reemerged recently as an important pathogen, causing several large epidemics worldwide. This necessitates the development of better reagents to understand its biology and to establish effective and safe control measures. The present study describes the development and characterization of polyclonal antibodies (pAbs) against synthetic peptides of CHIKV non-structural proteins...

article

Covalent heterogenization of discrete bis(8-quinolinolato)dioxomolybdenum(VI) and dioxotungsten(VI) complexes by a metal-template/metal-exchange method: Cyclooctene epoxidation catalysts with enhanced performances

Ying Yang, Soma Chattopadhyay, Tomohiro Shibata, Yang Ren, more

Journal of Molecular Catalysis. A, Chemical > 2014 > 392 > Complete > 134-142

A metal-template/metal-exchange method was used to imprint covalently attached bis(8-quinolinolato)dioxomolybdenum(VI) and dioxotungsten(VI) complexes onto large surface-area, mesoporous SBA-15 silica to obtain discrete MoO₂ ^VIT and WO₂ ^VIT catalysts bearing different metal loadings, respectively. Homogeneous counterparts, MoO₂ ^VIN and WO₂ ^VIN, as well as randomly ligand-grafted heterogeneous analogues,...

article

Development and characterization of monoclonal antibody against non-structural protein-2 of Chikungunya virus and its application

Soma Chattopadhyay, Abhishek Kumar, Prabhudutta Mamidi, Tapas Kumar Nayak, more

Journal of Virological Methods > 2014 > 199 > Complete > 86-94

The recent epidemics of Chikungunya viruses (CHIKV) with unprecedented magnitude and unusual clinical severity have raised a great public health concern worldwide, especially due to unavailability of vaccine or specific therapy. This emphasizes the need to understand the biological processes of this virus in details. Although CHIKV associated research has been initiated, the availability of CHIKV...

article

Ligand‐Stabilized and Atomically Precise Gold Nanocluster Catalysis: A Case Study for Correlating Fundamental Electronic Properties with Catalysis

Jing Liu, Katla Sai Krishna, Yaroslav B. Losovyj, Soma Chattopadhyay, more

Chemistry – A European Journal > 19 > 31 > 10201 - 10208

We present results from our investigations into correlating the styrene‐oxidation catalysis of atomically precise mixed‐ligand biicosahedral‐structure [Au₂₅(PPh₃)₁₀(SC₁₂H₂₅)₅Cl₂]²⁺ (Au₂₅‐bi) and thiol‐stabilized icosahedral core–shell‐structure [Au₂₅(SCH₂CH₂Ph)₁₈]⁻ (Au₂₅‐i) clusters with their electronic and atomic structure by using a combination of synchrotron radiation‐based X‐ray absorption fine‐structure...

article

Immune Regulation and Evasion of Mammalian Host Cell Immunity During Viral Infection

B. M. Pratheek, Soham Saha, Prasanta K. Maiti, Soma Chattopadhyay, more

VirusDisease > 2013 > 24 > 1 > 1-15

The mammalian host immune system has wide array of defence mechanisms against viral infections. Depending on host immunity and the extent of viral persistence, either the host immune cells might clear/restrict the viral load and disease progression or the virus might evade host immunity by down regulating host immune effector response(s). Viral antigen processing and presentation in the host cells...

article

Overexpression of hepatocyte nuclear factor‐3α induces apoptosis through the upregulation and accumulation of cytoplasmic p53 in prostate cancer cells

Hyun Joo Lee, Soma Chattopadhyay, Wan‐Hee Yoon, Jong Yoon Bahk, more

The Prostate > 70 > 4 > 353 - 361

BACKGROUNDHepatocyte nuclear factor‐3α (HNF‐3α) has been known to act as a repressor in the pathogenesis of many cancers. Herein, we investigated the effect of HNF‐3α overexpression in prostate cancer cells. METHODSHNF‐3α was overexpressed in prostate cancer cells using an adenovirus recombinant expressing wild‐type HNF‐3α. The apoptosis of prostate cancer cells was determined by TUNEL, FACS, and...

article

Vanadium Oxide Based Nanostructured Materials for Catalytic Oxidative Dehydrogenation of Propane: Effect of Heterometallic Centers on the Catalyst Performance

M. Ishaque Khan, Sangita Deb, Kadir Aydemir, Abdulrahman A. Alwarthan, more

Catalysis Letters > 2010 > 135 > 3-4 > 282-290

Catalytic properties of a series of new class of catalysts materials—[Co₃(H₂O)₁₂V₁₈O₄₂ (XO₄)].24H₂O (VNM-Co), [Fe₃(H₂O)₁₂V₁₈O₄₂(XO₄)].24H₂O (VNM-Fe) (X = V, S) and [H₆Mn₃(H₂O)₁₂V₁₈O₄₂(VO₄)].30H₂O for the oxidative dehydrogenation of propane is studied. The open-framework nanostructures in these novel materials consist of three-dimensional arrays of {V₁₈O₄₂(XO₄)} (X = V, S) clusters interconnected...

article

Hepatocyte nuclear factor-3 alpha (HNF-3α) negatively regulates androgen receptor transactivation in prostate cancer cells

Hyun Joo Lee, Miok Hwang, Soma Chattopadhyay, Hueng-Sik Choi, more

Biochemical and Biophysical Research Communications > 2008 > 367 > 2 > 481-486

The androgen receptor (AR) is involved in the development and progression of prostate cancers. However, the mechanisms by which this occurs remain incompletely understood. In previous reports, hepatocyte nuclear factor-3α (HNF-3α) has been shown to be expressed in the epithelia of the prostate gland, and has been determined to regulate the transcription of prostate-specific genes. In this study, we...

article

Surfactant-Induced Modulation of Light Emission in Porous Silicon Produced by Metal-Assisted Electroless Etching

Soma Chattopadhyay, Paul W. Bohn

Analytical Chemistry > 2006 > 78 > 17 > 6058 - 6064

article

Pt and Ru X-ray Absorption Spectroscopy of PtRu Anode Catalysts in Operating Direct Methanol Fuel Cells

Stanislav Stoupin, Eun-Hyuk Chung, Soma Chattopadhyay, Carlo U. Segre, more

The Journal of Physical Chemistry B > 2006 > 110 > 20 > 9932 - 9938

article

Evidence of a Stable Uranyl Site in Ancient Organic-Rich Calcite

Shelly D. Kelly, E. Troy Rasbury, Soma Chattopadhyay, A. Jeremy Kropf, more

Environmental Science & Technology > 2006 > 40 > 7 > 2262 - 2268

article

SAXS Study of the Nucleation of Glycine Crystals from a Supersaturated Solution

Soma Chattopadhyay, Deniz Erdemir, James M. B. Evans, Jan Ilavsky, more

Crystal Growth & Design > 2005 > 5 > 2 > 523 - 527

article

Cloning and characterization of androgen receptor from bullfrog, Rana catesbeiana

Soma Chattopadhyay, Jin Hee Park, Jae Young Seong, Hyuk Bang Kwon, more

General and Comparative Endocrinology > 2003 > 134 > 1 > 10-17

We have cloned and characterized a full-length cDNA of androgen receptor (AR) from the testis of bullfrog, Rana catesbeiana. The cDNA contains an open reading frame of 2328 nucleotides encoding a protein of 776 amino acid residues. The bullfrog AR shows high homology with ARs from other species in its amino acid sequence. Its overall homology with those of African clawed frog, Japanese eel and human...

article

Radiolytic Synthesis of Bimetallic Ag−Pt Nanoparticles with a High Aspect Ratio

C. M. Doudna, M. F. Bertino, Frank D. Blum, A. T. Tokuhiro, more

The Journal of Physical Chemistry B > 2003 > 107 > 13 > 2966 - 2970

article

The nature of ferroelectric order in finite systems

Pushan Ayyub, Soma Chattopadhyay, K. Sheshadri, Rangan Lahiri

Nanostructured Materials > 1999 > 12 > 5-8 > 713-718

The ferroelectric phase transition in the technologically important perovskite-type (ABO ₃ ) systems is strongly affected by a reduction in the particle size below 100 nm. With decreasing size, there is a monotonic reduction in the T _C , and in the off-center displacement of the B-ion. Thus, there is a size-induced structural distortion that reverts the crystal to its high-symmetry...

Publication date

Last year (1)
Last 3 years (1)

Close

Date range setting

Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.

From:

To:
Set your own date range

Keywords

Data set

Elsevier (9)
ACS (5)
Wiley (4)
Springer (3)

Journal

Infection, Genetics and Evolution (2)
Journal of Medical Virology (2)
Nanostructured Materials (2)
The Journal of Physical Chemistry B (2)
Analytical Chemistry (1)
Archives of Virology (1)
Biochemical and Biophysical Research Communications (1)
Catalysis Letters (1)
Chemical Engineering Journal (1)
Chemistry – A European Journal (1)
Crystal Growth & Design (1)
Environmental Science & Technology (1)
General and Comparative Endocrinology (1)
Journal of Molecular Catalysis. A, Chemical (1)
Journal of Virological Methods (1)
The Prostate (1)
VirusDisease (1)
more

INFONA - science communication portal

Search results for: Soma Chattopadhyay

Perturbations in spike‐specific peripheral T follicular helper cells in SARS‐CoV2 breakthrough convalescent individuals immunized by BBV152 vaccine

Epidemiological trends and molecular dynamics of dengue, chikungunya virus infection, coinfection, and other undifferentiated fever during 2015‐2016 in Odisha, India

Investigation of the synthesis and characterization of platinum-DMSA nanoparticles using millifluidic chip reactor

High rates of co-infection of Dengue and Chikungunya virus in Odisha and Maharashtra, India during 2013

In silico analysis of MHC-I restricted epitopes of Chikungunya virus proteins: Implication in understanding anti-CHIKV CD8+ T cell response and advancement of epitope based immunotherapy for CHIKV infection

Development of novel antibodies against non-structural proteins nsP1, nsP3 and nsP4 of chikungunya virus: potential use in basic research

Covalent heterogenization of discrete bis(8-quinolinolato)dioxomolybdenum(VI) and dioxotungsten(VI) complexes by a metal-template/metal-exchange method: Cyclooctene epoxidation catalysts with enhanced performances

Development and characterization of monoclonal antibody against non-structural protein-2 of Chikungunya virus and its application

Ligand‐Stabilized and Atomically Precise Gold Nanocluster Catalysis: A Case Study for Correlating Fundamental Electronic Properties with Catalysis

Immune Regulation and Evasion of Mammalian Host Cell Immunity During Viral Infection

Overexpression of hepatocyte nuclear factor‐3α induces apoptosis through the upregulation and accumulation of cytoplasmic p53 in prostate cancer cells

Vanadium Oxide Based Nanostructured Materials for Catalytic Oxidative Dehydrogenation of Propane: Effect of Heterometallic Centers on the Catalyst Performance

Hepatocyte nuclear factor-3 alpha (HNF-3α) negatively regulates androgen receptor transactivation in prostate cancer cells

Surfactant-Induced Modulation of Light Emission in Porous Silicon Produced by Metal-Assisted Electroless Etching

Pt and Ru X-ray Absorption Spectroscopy of PtRu Anode Catalysts in Operating Direct Methanol Fuel Cells

Evidence of a Stable Uranyl Site in Ancient Organic-Rich Calcite

SAXS Study of the Nucleation of Glycine Crystals from a Supersaturated Solution

Cloning and characterization of androgen receptor from bullfrog, Rana catesbeiana

Radiolytic Synthesis of Bimetallic Ag−Pt Nanoparticles with a High Aspect Ratio

The nature of ferroelectric order in finite systems

Filter options

Publication date

Keywords

Data set

Journal

INFONA - science communication portal

Search results for: Soma Chattopadhyay

Add recipient

Sending message cancelled

Are you sure you want to cancel sending this message?

Send message

Filter options

Publication date

Date range setting

Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.

Keywords

Data set

Journal

Reporting an error / abuse

Sending the report failed

Accessibility options