More than 20 papers about COVID-19 have been retracted at the time of this writing. It is premature, however, to conclude that such work is being retracted at higher rates than the rest of the literature.
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| http://dx.doi.org/10.1080/08989621.2020.1793675 | DOI Listing |
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Molecular Imprinting as a Tool for Exceptionally Selective Gas Separation in Nanoporous Polymers.
Chem Asian J
November 2024
Gas Analysis and Fire Safety Laboratory, Chemistry Division, National Institute of Standards, 136, 12211, Giza, Egypt.
The alarming rise in atmospheric CO levels, primarily driven by fossil fuel combustion and industrial processes, has become a major contributor to global climate change. Effective CO capture technologies are urgently needed, particularly for the selective removal of CO from industrial gas streams, such as flue gas and biogas, which often contain impurities like N and CH. In this study, we report the design and synthesis of novel molecularly imprinted polymers (MIPs) using 4-vinylpyridine (4VP) and methacrylic acid (MAA) as functional monomers, and thiophene (Th) and formaldehyde (HC) as molecular templates.
View Article and Find Full Text PDFOn Vascular Lesions of the Thyroid Gland with Emphasis on Intrathyroidal Hemangioma: Clinicopathologic Characterization of Two Cases and Review of the Literature.
Head Neck Pathol
October 2024
Division of Oral and Maxillofacial Pathology, The Ohio State University College of Dentistry, Postle Hall, Room 2191 305 W. 12th Ave, Columbus, OH, 43210, USA.
Article Synopsis
- Two cases of thyroid hemangioma were observed in a 62-year-old man and an 18-year-old woman, showing characteristics like mobile nodules and specific vascular indicators under microscopic examination.
- A review of existing literature found 53 cases of intrathyroidal hemangiomas, mostly in the right thyroid lobe, primarily showing features of cavernous hemangiomas, with favorable prognosis and surgical resection deemed curative due to diagnostic challenges.
A rare Encounter with Pediatric Malignant Peripheral Nerve Sheath Tumor in Nasal Sinuses and Orbit.
Indian J Otolaryngol Head Neck Surg
August 2024
Department of Pathology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India.
This case report explores a rare and aggressive Malignant Peripheral Nerve Sheath Tumor (MPNST) in a 7-year-old child affecting nasal sinuses, maxilla, and orbit, an exceptionally uncommon pediatric manifestation unrelated to Neurofibromatosis 1. The child presented with alarming symptoms-nasal obstruction, snoring, epistaxis, and difficulty swallowing-underscoring the case's urgency. Non-contrast computed tomography revealed an extensive mass infiltrating nasopharynx, nasal cavity, maxillary sinus, ethmoid sinuses, and orbit, causing destructive consequences.
View Article and Find Full Text PDFUltrafast Removal of Thorium and Uranium from Radioactive Waste and Groundwater Using Highly Efficient and Radiation-Resistant Functionalized Triptycene-Based Porous Organic Polymers.
ACS Appl Mater Interfaces
May 2024
Department of Chemistry, Indian Institute of Technology Patna, Patna, Bihar 801106, India.
Thorium (Th) and uranium (U) are important strategic resources in nuclear energy-based heavy industries such as energy and defense sectors that also generate significant radioactive waste in the process. The management of nuclear waste is therefore of paramount importance. Contamination of groundwater/surface water by Th/U is increasing at an alarming rate in certain geographical locations.
View Article and Find Full Text PDFUnveiling Antibacterial Potential and Physiological Characteristics of Thermophilic Bacteria Isolated from a Hot Spring in Iran.
Microorganisms
April 2024
Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden.
The increasing worldwide demand for antimicrobial agents has significantly contributed to the alarming rise of antimicrobial resistance, posing a grave threat to human life. Consequently, there is a pressing need to explore uncharted environments, seeking out novel antimicrobial compounds that display exceptionally efficient capabilities. Hot springs harbor microorganisms possessing remarkable properties, rendering them an invaluable resource for uncovering groundbreaking antimicrobial compounds.
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