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Article ; Online: Random density matrices: Analytical results for mean fidelity and variance of squared Bures distance.

Laha, Aritra / Kumar, Santosh

2023 Volume 107, Issue 3-1, Page(s) 34206

Abstract: One of the key issues in problems related to quantum information theory is concerned with the distinguishability of quantum states. In this context, Bures distance serves as one of the foremost choices among various distance measures. It also relates to ... ...

Abstract	One of the key issues in problems related to quantum information theory is concerned with the distinguishability of quantum states. In this context, Bures distance serves as one of the foremost choices among various distance measures. It also relates to fidelity, which is another quantity of immense importance in quantum information theory. In this work we derive exact results for the average fidelity and variance of the squared Bures distance between a fixed density matrix and a random density matrix and also between two independent random density matrices. These results go beyond the recently obtained results for the mean root fidelity and mean of the squared Bures distance. The availability of both mean and variance also enables us to provide a gamma-distribution-based approximation for the probability density of the squared Bures distance. The analytical results are corroborated using Monte Carlo simulations. Furthermore, we compare our analytical results with the mean and variance of the squared Bures distance between reduced density matrices generated using coupled kicked tops and a correlated spin chain system in a random magnetic field. In both cases, we find good agreement.
Language	English
Publishing date	2023-04-18
Publishing country	United States
Document type	Journal Article
ZDB-ID	2844562-4
ISSN	2470-0053 ; 2470-0045
ISSN (online)	2470-0053
ISSN	2470-0045
DOI	10.1103/PhysRevE.107.034206
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Article ; Online: Beyond 5 GHz excitation of a ZnO-based high-overtone bulk acoustic resonator on SiC substrate.

Panda, Padmalochan / Chatterjee, Soumyadip / Tallur, Siddharth / Laha, Apurba

Scientific reports

2023 Volume 13, Issue 1, Page(s) 13329

Abstract: This work reports on the fabrication and characterization of an Au/ZnO/Pt-based high-overtone bulk acoustic resonator (HBAR) on SiC substrates. We evaluate its microwave characteristics comparing with Si substrates for micro-electromechanical ... ...

Abstract	This work reports on the fabrication and characterization of an Au/ZnO/Pt-based high-overtone bulk acoustic resonator (HBAR) on SiC substrates. We evaluate its microwave characteristics comparing with Si substrates for micro-electromechanical applications. Dielectric magnetron sputtering and an electron beam evaporator are employed to develop highly c-axis-oriented ZnO films and metal electrodes. The crystal structure and surface morphology of post-growth layers are characterized using X-ray diffraction, atomic force microscopy, and scanning electron microscopy techniques. HBAR on SiC substrate results in multiple longitudinal bulk acoustic wave resonances up to 7 GHz, with the strongest excited resonances emerging at 5.25 GHz. The value of f.Q (Resonance frequency.Quality factor) parameter obtained using a novel Q approach method for HBAR on SiC substrate is 4.1 [Formula: see text] 10[Formula: see text] Hz, which to the best of our knowledge, is the highest among all reported values for specified ZnO-based devices.
Language	English
Publishing date	2023-08-16
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-023-39760-9
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Article: Electrospun Nanofiber-Based Drug Carrier to Manage Inflammation.

Agrawal, Gaurav / Aswath, Surabhi / Laha, Anindita / Ramakrishna, Seeram

Advances in wound care

2023 Volume 12, Issue 9, Page(s) 529–543

Abstract: Significance: ...

Abstract	Significance:
MeSH term(s)	Humans ; Drug Carriers ; Nanofibers ; Polymers ; Anti-Inflammatory Agents, Non-Steroidal/therapeutic use ; Inflammation/drug therapy
Chemical Substances	Drug Carriers ; Polymers ; Anti-Inflammatory Agents, Non-Steroidal
Language	English
Publishing date	2023-03-01
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	2650541-1
ISSN	2162-1934 ; 2162-1918
ISSN (online)	2162-1934
ISSN	2162-1918
DOI	10.1089/wound.2022.0043
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Article ; Online: Inertial effect on evasion and pursuit dynamics of prey swarms: the emergence of a favourable mass ratio for the predator-prey arms race.

Chakraborty, Dipanjan / Laha, Arkayan / De, Rumi

Soft matter

2023 Volume 19, Issue 44, Page(s) 8587–8594

Abstract: We show, based on a theoretical model, how inertia plays a pivotal role in the survival dynamics of a prey swarm while chased by a predator. With the varying mass of the prey and predator, diverse escape patterns emerge, such as circling, chasing, ... ...

Abstract	We show, based on a theoretical model, how inertia plays a pivotal role in the survival dynamics of a prey swarm while chased by a predator. With the varying mass of the prey and predator, diverse escape patterns emerge, such as circling, chasing, maneuvering, dividing into subgroups, and merging into a unitary group, similar to the escape trajectories observed in nature. Moreover, we find a transition from non-survival to survival of the prey swarm with increasing predator mass. The transition regime is also sensitive to the variation in prey mass. Further, the analysis of the prey group survival as a function of predator-to-prey mass ratio unveils the existence of three distinct regimes: (i) frequent chase and capture leading to the non-survival of the prey swarm, (ii) an intermediate regime where competition between pursuit and capture occurs, resembling an arms race, and (iii) the survival regime without the capture of prey. Interestingly, our study demonstrates the existence of a favourable predator-prey mass ratio for coexistence of both prey and predator in an ecosystem, which agrees well with the field studies.
MeSH term(s)	Animals ; Ecosystem ; Models, Biological ; Predatory Behavior ; Models, Theoretical
Language	English
Publishing date	2023-11-15
Publishing country	England
Document type	Journal Article
ZDB-ID	2191476-X
ISSN	1744-6848 ; 1744-683X
ISSN (online)	1744-6848
ISSN	1744-683X
DOI	10.1039/d3sm00738c
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Article ; Online: A review on aero-allergen induced allergy in India.

Laha, Arghya / Moitra, Saibal / Podder, Sanjoy

Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology

2023 Volume 53, Issue 7, Page(s) 711–738

Abstract: Allergic diseases such as bronchial asthma, rhinitis and eczema are an important public health issue globally in 21st century. Their prevalence and impact in India is high, in terms of total numbers of people affected. Due to diverse climate and ... ...

Abstract	Allergic diseases such as bronchial asthma, rhinitis and eczema are an important public health issue globally in 21st century. Their prevalence and impact in India is high, in terms of total numbers of people affected. Due to diverse climate and lifestyle, the Indian population is exposed to a rich and varied range of aerobiological particles. In the last two decades in India, 83 pollens, 34 fungi, six dust mite and 19 insect species were reported as allergenic, often contributing to heavy allergenic exposure in indoor and outdoor environments. There are currently few practitioners who offer allergy diagnosis and treatment in India, but there is active basic and molecular research aiming to improve the health of allergic patients. This review explores the field of aero-allergy in India during the last two decades, with special emphasis on prevalence across various centres and relevant scientific advances such as genetic associations and new therapeutics. This review will be helpful for clinicians to select aero-allergens for sensitisation testing in patients suffering from symptoms in different regions of India, and to support patients undertaking prophylaxis of allergic symptoms in India according to local environmental conditions. This study also helps to define patient selection for allergy testing and the role of test results in guiding allergic disease management in the Indian context. Finally, we summarize genetic findings relevant to aero-allergy in India and discuss the development of novel therapeutics for investigation and management of aero-allergy in India.
MeSH term(s)	Humans ; Allergens ; Hypersensitivity/diagnosis ; Hypersensitivity/epidemiology ; Hypersensitivity/etiology ; Asthma/diagnosis ; Asthma/epidemiology ; Asthma/etiology ; Rhinitis/epidemiology ; India/epidemiology
Chemical Substances	Allergens
Language	English
Publishing date	2023-02-09
Publishing country	England
Document type	Review ; Journal Article
ZDB-ID	645204-8
ISSN	1365-2222 ; 0954-7894 ; 0960-2178
ISSN (online)	1365-2222
ISSN	0954-7894 ; 0960-2178
DOI	10.1111/cea.14266
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Conference proceedings ; Online: Determination of Earth Orientation Parameters from VLBI and comparison with other space geodetic techniques

Laha, A. / Böhm, J. / Böhm, S. / Dikshit, O. / Balasubramanian, N.

XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)

2023

Abstract: Very Long Baseline Interferometry (VLBI) is the only space geodetic technique that provides the full set of Earth Orientation Parameters (EOP), which are required to transform terrestrial reference frames to celestial reference frames and vice-versa ... ...

Abstract	>Very Long Baseline Interferometry (VLBI) is the only space geodetic technique that provides the full set of Earth Orientation Parameters (EOP), which are required to transform terrestrial reference frames to celestial reference frames and vice-versa with high accuracy. The purpose of this study is to generate long EOP time series using the Vienna VLBI and Satellite Software (VieVS) with different settings and parametrizations, such as the representations of EOP with piecewise linear offsets and the time intervals of estimation or the handling of the constraints on stations and sources. A special focus will be put on VLBI Global Observing System (VGOS) sessions and the differences with respect to EOP from legacy X/S band sessions. The study will also focus on comparing and combining different space geodetic techniques at the solution level to analyse EOP and to produce single EOP time series.
Language	English
Publishing country	de
Document type	Conference proceedings ; Online
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Article: Isolation and characterization of rhizobacteria from lentil for arsenic resistance and plant growth promotion.

Laha, Aritri / Sengupta, Sudip / Bhattacharyya, Somnath / Bhattacharyya, Kallol / GuhaRoy, Sanjoy

3 Biotech

2024 Volume 14, Issue 1, Page(s) 30

Abstract: Low-cost microbial remediation strategies serve as a viable and potent weapon for curbing the arsenic menace. In the present study, two arsenic-resistant bacteria were isolated from the contaminated lentil rhizosphere in Gangetic plain of eastern India. ... ...

Abstract	Low-cost microbial remediation strategies serve as a viable and potent weapon for curbing the arsenic menace. In the present study, two arsenic-resistant bacteria were isolated from the contaminated lentil rhizosphere in Gangetic plain of eastern India. LAR-21 (
Language	English
Publishing date	2024-01-02
Publishing country	Germany
Document type	Journal Article
ZDB-ID	2600522-0
ISSN	2190-5738 ; 2190-572X
ISSN (online)	2190-5738
ISSN	2190-572X
DOI	10.1007/s13205-023-03873-9
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Article ; Online: Screening of Prospective Antiallergic Compound as FcεRI Inhibitors and Its Antiallergic Efficacy Through Immunoinformatics Approaches.

Laha, Anubhab / Sarkar, Aniket / Panja, Anindya Sundar / Bandopadhyay, Rajib

Molecular biotechnology

2023 Volume 66, Issue 1, Page(s) 26–33

Abstract: The occurrence of allergy, a type I hypersensitivity reaction, is rising exponentially all over the world. Sometimes, allergy proves to be fatal for atopic patients, due to the occurrence of anaphylaxis. This study is aimed to find an anti-allergic agent ...

Abstract	The occurrence of allergy, a type I hypersensitivity reaction, is rising exponentially all over the world. Sometimes, allergy proves to be fatal for atopic patients, due to the occurrence of anaphylaxis. This study is aimed to find an anti-allergic agent that can inhibit the binding of IgE to Human High Affinity IgE Receptor (FCεRI), thereby preventing the degranulation of mast cells. A considerable number of potential anti-allergic compounds were assessed for their inhibitory strength through ADMET studies. AUTODOCK was used for estimating the binding energy between anti-allergic compounds and FCεRI, along with the interacting amino acids. The docked pose showing favorable binding energy was subjected to molecular dynamics simulation study. Marrubiin, a diterpenoid lactone from Lamiaceae, and epicatechin-3-gallate appears to be effective in blocking the Human High Affinity IgE Receptor (FCεRI). This in-silico study proposes the use of marrubiin and epicatechin-3-gallate, in the downregulation of allergic responses. Due to the better inhibition constant, future direction of this study is to analyze the safety and efficacy of marrubiin in anti-allergic activities through in-vivo clinical human trials.
MeSH term(s)	Humans ; Anti-Allergic Agents/pharmacology ; Anti-Allergic Agents/therapeutic use ; Receptors, IgE/chemistry ; Receptors, IgE/metabolism ; Receptors, IgE/therapeutic use ; Immunoglobulin E/chemistry ; Immunoglobulin E/metabolism ; Immunoglobulin E/therapeutic use ; Immunoinformatics ; Prospective Studies ; Hypersensitivity/drug therapy ; Hypersensitivity/metabolism ; Anaphylaxis/drug therapy ; Anaphylaxis/prevention & control ; Diterpenes
Chemical Substances	Anti-Allergic Agents ; Receptors, IgE ; marrubiin (AP086P88M4) ; Immunoglobulin E (37341-29-0) ; Diterpenes
Language	English
Publishing date	2023-03-29
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	1193057-3
ISSN	1559-0305 ; 1073-6085
ISSN (online)	1559-0305
ISSN	1073-6085
DOI	10.1007/s12033-023-00728-9
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Article ; Online: In silico comparative structural and functional analysis of arsenite methyltransferase from bacteria, fungi, fishes, birds, and mammals.

Kabiraj, Ashutosh / Laha, Anubhab / Panja, Anindya Sundar / Bandopadhyay, Rajib

Journal, genetic engineering & biotechnology

2023 Volume 21, Issue 1, Page(s) 64

Abstract: Background: Arsenic, a ubiquitous toxic metalloid, is a threat to the survival of all living organisms. Bioaccumulation of arsenic interferes with the normal physiological pathway. To overcome arsenic toxicity, organisms have developed arsenite ... ...

Abstract	Background: Arsenic, a ubiquitous toxic metalloid, is a threat to the survival of all living organisms. Bioaccumulation of arsenic interferes with the normal physiological pathway. To overcome arsenic toxicity, organisms have developed arsenite methyltransferase enzyme, which methylates inorganic arsenite to organic arsenic MMA (III) in the presence of S-adenosylmethionine (SAM). Bacteria-derived arsM might be horizontally transported to different domains of life as arsM or as3mt (animal ortholog). A systematic study on the functional diversity of arsenite methyltransferase from various sources will be used in arsenic bioremediation. Results: Several arsenite methyltransferase protein sequences of bacteria, fungi, fishes, birds, and mammals were retrieved from the UniProt database. In silico physicochemical studies confirmed the acidic, hydrophilic, and thermostable nature of these enzymes. Interkingdom relationships were revealed by performing phylogenetic analysis. Homology modeling was performed by SWISS-MODEL, and that was validated through SAVES-v.6.0. QMEAN values ranged from - 0.93 to - 1.30, ERRAT score (83-96), PROCHECK (88-92%), and other parameters suggested models are statistically significant. MOTIF and PrankWeb discovered several functional motifs and active pockets within the proteins respectively. The STRING database showed protein-protein interaction networks. Conclusion: All of our in silico studies confirmed the fact that arsenite methyltransferase is a cytosolic stable enzyme with conserved sequences over a wide range of organisms. Thus, because of its stable and ubiquitous nature, arsenite methyltransferase could be employed in arsenic bioremediation.
Language	English
Publishing date	2023-05-19
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2637420-1
ISSN	2090-5920 ; 1687-157X ; 2090-5920
ISSN (online)	2090-5920
ISSN	1687-157X ; 2090-5920
DOI	10.1186/s43141-023-00522-9
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Article: A Review on Curcumin-Loaded Electrospun Nanofibers and their Application in Modern Medicine.

Mitra, Souradeep / Mateti, Tarun / Ramakrishna, Seeram / Laha, Anindita

JOM (Warrendale, Pa. : 1989)

2022 Volume 74, Issue 9, Page(s) 3392–3407

Abstract: Herbal drugs are safe and show significantly fewer side effects than their synthetic counterparts. Curcumin (an active ingredient primarily found in turmeric) shows therapeutic properties, but its commercial use as a medication is unrealized, because of ... ...

Abstract	Herbal drugs are safe and show significantly fewer side effects than their synthetic counterparts. Curcumin (an active ingredient primarily found in turmeric) shows therapeutic properties, but its commercial use as a medication is unrealized, because of doubts about its potency. The literature reveals that electrospun nanofibers show simplicity, efficiency, cost, and reproducibility compared to other fabricating techniques. Forcespinning is a new technique that minimizes limitations and provides additional advantages to electrospinning. Polymer-based nanofibers-whose advantages lie in stability, solubility, and drug storage-overcome problems related to drug delivery, like instability and hydrophobicity. Curcumin-loaded polymer nanofibers show potency in healing diabetic wounds in vitro and in vivo. The release profiles, cell viability, and proliferation assays substantiate their efficacy in bone tissue repair and drug delivery against lung, breast, colorectal, squamous, glioma, and endometrial cancer cells. This review mainly discusses how polymer nanofibers interact with curcumin and its medical efficacy.
Language	English
Publishing date	2022-02-24
Publishing country	United States
Document type	Journal Article ; Review
ISSN	1047-4838
ISSN	1047-4838
DOI	10.1007/s11837-022-05180-9
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