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Article ; Online: State of nursing in India: Persistent systemic challenges.

Roy, Deblina

The Lancet regional health. Southeast Asia

2022 Volume 6, Page(s) 100084

Language	English
Publishing date	2022-10-08
Publishing country	England
Document type	Journal Article
ISSN	2772-3682
ISSN (online)	2772-3682
DOI	10.1016/j.lansea.2022.100084
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Isolation, screening and characterization of efficient cellulose-degrading fungal and bacterial strains and preparation of their consortium under in vitro studies.

Roy, Deblina / Gunri, Sunil Kumar / Pal, Kamal Krishna

3 Biotech

2024 Volume 14, Issue 5, Page(s) 131

Abstract: In this investigation, cellulose-degrading fungi and bacteria were isolated from different partially decomposed cellulose-rich substrates, such as groundnut residues, rice straw, and rotten wood, following dilution plating techniques on carboxymethyl ... ...

Abstract	In this investigation, cellulose-degrading fungi and bacteria were isolated from different partially decomposed cellulose-rich substrates, such as groundnut residues, rice straw, and rotten wood, following dilution plating techniques on carboxymethyl cellulose agar media and screening for potential cellulose degradation ability. The development of a clear halo zone surrounding the microbial colonies during the initial screening process using the Congo red test (20 isolates) suggested cellulose hydrolysis, and the highest cellulase production activity was implied by the isolates with the largest clear zone ratio (9 isolates). Using both macroscopic and microscopic examinations, as well as standard biochemical tests outlined in Bergey's Manual of Determinative Bacteriology, the genus-level identification of fungi and bacteria was accomplished. In order to molecularly identify the 4 isolated fungal and bacterial strains at the species level after being ultimately selected for cellulase production potential under in vitro studies, fungal and bacterial DNA was extracted and amplified by PCR using the universal primers ITS1 and ITS4 for fungi (ITS rRNA, 5.8S rRNA) and 8F and 1492R for bacterial isolates (16S rRNA). After sequencing, the PCR results were compared to other comparable sequences in GenBank (NCBI). Based on the available NCBI data, phylogenetic analysis of their ribosomal gene partial sequences revealed that DAJ2 (PP086700) shares 100% homology with
Language	English
Publishing date	2024-04-19
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/s13205-024-03974-z
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Cognitive biases operating behind the rejection of government safety advisories during COVID19 Pandemic.

Roy, Deblina / Sinha, Krittika

Asian journal of psychiatry

2020 Volume 51, Page(s) 102048

MeSH term(s)	Bias ; COVID-19 ; Cognition ; Government ; Humans ; Pandemics ; SARS-CoV-2
Keywords	covid19
Language	English
Publishing date	2020-04-04
Publishing country	Netherlands
Document type	Letter
ZDB-ID	2456678-0
ISSN	1876-2026 ; 1876-2018
ISSN (online)	1876-2026
ISSN	1876-2018
DOI	10.1016/j.ajp.2020.102048
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Article ; Online: Electrochemical aspects of coinage metal nanoparticles for catalysis and spectroscopy.

Roy, Deblina / Pal, Anjali / Pal, Tarasankar

RSC advances

2022 Volume 12, Issue 19, Page(s) 12116–12135

Abstract: Down scaling bulk materials can cause colloidal systems to evolve into microscopically dispersed insoluble particles. Herein, we describe the interesting applications of coinage metal nanoparticles (MNPs) as colloid dispersions especially gold and silver. ...

Abstract	Down scaling bulk materials can cause colloidal systems to evolve into microscopically dispersed insoluble particles. Herein, we describe the interesting applications of coinage metal nanoparticles (MNPs) as colloid dispersions especially gold and silver. The rich plasmon bands of gold and silver in the visible range are elaborated using the plasmon resonance and redox potential values of grown metal microelectrode (GME). The gradation of their standard reduction potential values (
Language	English
Publishing date	2022-04-21
Publishing country	England
Document type	Journal Article ; Review
ISSN	2046-2069
ISSN (online)	2046-2069
DOI	10.1039/d2ra00403h
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Article ; Online: Quantitative monitoring of experimental and human leishmaniasis employing amastigote-specific genes.

Roy, Madhurima / Sarkar, Deblina / Chatterjee, Mitali

Parasitology

2022 Volume 149, Issue 8, Page(s) 1085–1093

Abstract: The gold standard for diagnosis of leishmaniasis is the microscopic detection of amastigotes/Leishman Donovan (LD) bodies, but its moderate sensitivity necessitates the development of molecular approaches. This study aimed to quantify in experimental ... ...

Abstract	The gold standard for diagnosis of leishmaniasis is the microscopic detection of amastigotes/Leishman Donovan (LD) bodies, but its moderate sensitivity necessitates the development of molecular approaches. This study aimed to quantify in experimental animal models and human leishmaniasis the expression of amastigote-specific virulence genes,
MeSH term(s)	Amphotericin B/therapeutic use ; Animals ; Humans ; Leishmania donovani/genetics ; Leishmaniasis, Cutaneous/parasitology ; Leishmaniasis, Visceral/parasitology ; Mice ; Parasite Load
Chemical Substances	Amphotericin B (7XU7A7DROE)
Language	English
Publishing date	2022-05-10
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	207627-5
ISSN	1469-8161 ; 0031-1820
ISSN (online)	1469-8161
ISSN	0031-1820
DOI	10.1017/S0031182022000610
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Article: Biomedical Application of Photoacoustics: A Plethora of Opportunities.

Biswas, Deblina / Roy, Swarup / Vasudevan, Srivathsan

Micromachines

2022 Volume 13, Issue 11

Abstract: The photoacoustic (PA) technique is a non-invasive, non-ionizing hybrid technique that exploits laser irradiation for sample excitation and acquires an ultrasound signal generated due to thermoelastic expansion of the sample. Being a hybrid technique, PA ...

Abstract	The photoacoustic (PA) technique is a non-invasive, non-ionizing hybrid technique that exploits laser irradiation for sample excitation and acquires an ultrasound signal generated due to thermoelastic expansion of the sample. Being a hybrid technique, PA possesses the inherent advantages of conventional optical (high resolution) and ultrasonic (high depth of penetration in biological tissue) techniques and eliminates some of the major limitations of these conventional techniques. Hence, PA has been employed for different biomedical applications. In this review, we first discuss the basic physics of PA. Then, we discuss different aspects of PA techniques, which includes PA imaging and also PA frequency spectral analysis. The theory of PA signal generation, detection and analysis is also detailed in this work. Later, we also discuss the major biomedical application area of PA technique.
Language	English
Publishing date	2022-11-03
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2620864-7
ISSN	2072-666X
ISSN	2072-666X
DOI	10.3390/mi13111900
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Article: A Comprehensive Review of Biodegradable Polymer-Based Films and Coatings and Their Food Packaging Applications.

Gupta, Vatsla / Biswas, Deblina / Roy, Swarup

Materials (Basel, Switzerland)

2022 Volume 15, Issue 17

Abstract: Food sectors are facing issues as a result of food scarcity, which is exacerbated by rising populations and demand for food. Food is ordinarily wrapped and packaged using petroleum-based plastics such as polyethylene, polyvinyl chloride, and others. ... ...

Abstract	Food sectors are facing issues as a result of food scarcity, which is exacerbated by rising populations and demand for food. Food is ordinarily wrapped and packaged using petroleum-based plastics such as polyethylene, polyvinyl chloride, and others. However, the excessive use of these polymers has environmental and health risks. As a result, much research is currently focused on the use of bio-based materials for food packaging. Biodegradable polymers that are compatible with food products are used to make edible packaging materials. These can be ingested with food and provide consumers with additional health benefits. Recent research has shifted its focus to multilayer coatings and films-based food packaging, which can provide a material with additional distinct features. The aim of this review article is to investigate the properties and applications of several bio-based polymers in food packaging. The several types of edible film and coating production technologies are also covered separately. Furthermore, the use of edible films and coatings in the food industry has been examined, and their advantages over traditional materials are also discussed.
Language	English
Publishing date	2022-08-26
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2487261-1
ISSN	1996-1944
ISSN	1996-1944
DOI	10.3390/ma15175899
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Article ; Online: Benzhydryl Amines

Deblina Roy / Gautam Panda

ACS Omega, Vol 5, Iss 1, Pp 19-

Synthesis and Their Biological Perspective

2019 Volume 30

Keywords	Chemistry ; QD1-999
Language	English
Publishing date	2019-12-01T00:00:00Z
Publisher	American Chemical Society
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Gelatin/Cellulose Nanofiber-Based Functional Nanocomposite Film Incorporated with Zinc Oxide Nanoparticles

Swarup Roy / Deblina Biswas / Jong-Whan Rhim

Journal of Composites Science, Vol 6, Iss 8, p

2022 Volume 223

Abstract: A novel bio-based nanocomposite film was developed using the combination of gelatine and cellulose nanofiber (CNF) as a polymer matrix and zinc oxide nanoparticles (ZnONP) as nanofillers. The nanocomposite film solution was developed using simple ... ...

Abstract	A novel bio-based nanocomposite film was developed using the combination of gelatine and cellulose nanofiber (CNF) as a polymer matrix and zinc oxide nanoparticles (ZnONP) as nanofillers. The nanocomposite film solution was developed using simple solution mixing and film prepared by the following casting methods. The fabricated nanocomposite film containing 2 wt% of ZnONP shows excellent UV-light barrier properties (>95%) and high transparency (>75%). The presence of ZnONP also improves the mechanical strength of the film by ~30% compared to pristine gelatin/CNF-based film, while the flexibility and rigidity of the nanocomposite film were also slightly improved. The addition of ZnONP slightly increased (~10%) the hydrophobicity while the water vapor barrier properties remain unaltered. The hydrodynamic properties of the bio-based film were also changed in the presence of ZnONP, moisture content and the swelling ratio slightly enhanced, whereas water solubility was decreased. Moreover, the integration of ZnONP introduced antibacterial activity toward foodborne pathogens. The fabricated bio-based nanocomposite film could be useful in active packaging applications.
Keywords	gelatin/cellulose nanofiber ; ZnONP ; nanocomposite film ; mechanical properties ; UV-light barrier ; antibacterial activity ; Technology ; T ; Science ; Q
Subject code	620
Language	English
Publishing date	2022-08-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Natural Gum-Based Functional Bioactive Films and Coatings

Arushri Nehra / Deblina Biswas / Valentina Siracusa / Swarup Roy

International Journal of Molecular Sciences, Vol 24, Iss 1, p

A Review

2022 Volume 485

Abstract: Edible films and coatings are a current and future food packaging trend. In the food and envi-ronmental sectors, there is a growing need to understand the role of edible packaging and sus-tainability. Gums are polysaccharides of natural origin that are ... ...

Abstract	Edible films and coatings are a current and future food packaging trend. In the food and envi-ronmental sectors, there is a growing need to understand the role of edible packaging and sus-tainability. Gums are polysaccharides of natural origin that are frequently utilized as thickeners, clarifying agents, gelling agents, emulsifiers, and stabilizers in the food sector. Gums come in a variety of forms, including seed gums, mucilage gums, exudate gums, and so on. As a biodegradable and sustainable alternative to petrochemical-based film and coatings, gums could be a promising option. Natural plant gum-based edible packaging helps to ensure extension of shelf-life of fresh and processed foods while also reducing microbiological alteration and/or oxidation processes. In this review, the possible applications of gum-based polymers and their functional properties in development of edible films and coatings, were comprehensively dis-cussed. In the future, technology for developing natural gum-based edible films and coatings might be applied commercially to improve shelf life and preserve the quality of foods.
Keywords	natural gums ; polysaccharides ; edible polymers ; coating and film ; active packaging ; Biology (General) ; QH301-705.5 ; Chemistry ; QD1-999
Subject code	910
Language	English
Publishing date	2022-12-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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