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Total 2091 results found since Jan 2013.
Extraction and characterization of Chitosan from Shell of Borassus flabellifer and their antibacterial and antioxidant applications
This study aimed to investigate the biological activity of chitosan extracted from B. flabellifer fruit shells and to analyze its molecular structure using FT-IR analysis. Results showed the presence of NH, OH, and CO stretching, indicating the presence of various functional groups in chitosan. Scanning electron microscopic study revealed the topography of the chitosan. Well-diffusion and MIC tests showed that chitosan exhibited activity against E. coli and S. aureus. The chitosan extract also exhibited potential antioxidant polymer by scavenging free radicals.PMID:37659486 | DOI:10.1016/j.ijbiomac.2023.126592
Source: International Journal of Biological Macromolecules - September 2, 2023 Category: Biochemistry Authors: Vishwapriya Saravanan MubarakAli Davoodbasha Arjun Rajesh Thajuddin Nooruddin Sang-Yul Lee Jung-Wan Kim Source Type: research
Assessment of forest fire emissions in Uttarakhand State, India, using Open Geospatial data and Google Earth Engine
Environ Sci Pollut Res Int. 2023 Aug 29. doi: 10.1007/s11356-023-29311-0. Online ahead of print.ABSTRACTIn the recent past, forest fires have increased due to the changing climate pattern. It is necessary to analyse and quantify various gaseous emissions so as to mitigate their harmful effects on air pollution. Satellite remote sensing data provides an opportunity to study the greenhouse gases in the atmosphere. The multispectral sensor of the Tropospheric Monitoring Instrument (Sentinel-5) is capable of recording the reflectance of wavelengths vital for measuring the atmospheric concentrations of methane, formaldehyde, ae...
Source: Environmental Science and Pollution Research International - August 29, 2023 Category: Environmental Health Authors: Laxmi Goparaju Rama Chandra Prasad Pillutla Suresh Babu Kukkala Venkata Source Type: research
Inhibitory effects of epiphytic Kluyveromyces marxianus from Indian senna (Cassia angustifolia Vahl.) on growth and aflatoxin production of Aspergillus flavus
Int J Food Microbiol. 2023 Aug 19;406:110368. doi: 10.1016/j.ijfoodmicro.2023.110368. Online ahead of print.ABSTRACTAspergillus flavus infection and subsequent aflatoxin contamination are considered the major constraints in senna (Cassia angustifolia Vahl.) export. Using native epiphytic yeast to control phytopathogens is a successful strategy for managing plant diseases. In the present investigation, we exploited the antagonistic potential of epiphytic yeast isolates obtained from senna against A. flavus growth and aflatoxin B1 (AFB1) production. Four Kluyveromyces marxianus strains (YSL3, YSL16, YSP12, and YSF9) exhibite...
Source: International Journal of Food Microbiology - August 28, 2023 Category: Food Science Authors: Subramani Natarajan Dananjeyan Balachandar Vaikuntavasan Paranidharan Source Type: research
Seasonal influence on microplastics in the sediments of a non-perennial river - Noyyal, Tamil Nadu, India
Environ Sci Pollut Res Int. 2023 Aug 19. doi: 10.1007/s11356-023-29393-w. Online ahead of print.ABSTRACTMicroplastic (MP) is a contaminant presently causing a significant environmental risk. The present study aims to extract, measure, and classify MP in sediment samples from two seasons (monsoon and summer) in Noyyal River, South India. Microplastic was separated from sediments using the Sediment Microplastic Isolation technique. Microplastics were detected in four forms: foams, films, fragments, and fibres. Dominant polymer types during monsoon are Polystyrene (29%), Polycarbonate (13%), Nylon (13%), and Ethylene Vinyl Ac...
Source: Environmental Science and Pollution Research International - August 19, 2023 Category: Environmental Health Authors: Augustine Crispin Purushothaman Parthasarathy Source Type: research
Pre-discharge < sup > 18 < /sup > F-Flourodeoxyglucose uptake pattern following transcatheter aortic-valve replacement and adverse prognostic features in aortic stenosis
Indian Heart J. 2023 Aug 9:S0019-4832(23)00136-0. doi: 10.1016/j.ihj.2023.08.002. Online ahead of print.ABSTRACT18F-Flourodeoxyglucose positron emission tomography/computed tomography (18F-FDG-PET/CT) has been shown to be of utility in transcatheter aortic valve replacement (TAVR) patients with suspected prosthetic valve endocarditis. In the present study, we sought to analyze the relationship between 18F-FDG-PET/CT performed before discharge in TAVR patients and adverse prognostic features of aortic stenosis. We analyzed the association between 18F-FDG-PET/CT uptake pattern and degree of left ventricular mass index, aorti...
Source: Indian Heart J - August 11, 2023 Category: Cardiology Authors: Baskaran Chandrasekar Satish Panchadar Khaled Almerri Masoud Garashi Source Type: research
