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Catalytic Conversion of Carbon Dioxide to Long Chain Esters via Formate Hydroesterification.
Chemistry
January 2025
University of Missouri, Chemistry, 601 S. College Ave, 65211, Columbia, UNITED STATES OF AMERICA.
CO2-based hydroesterification is an attractive route to produce value added ester compounds, which could replace CO-based hydroesterification processes if sufficient catalytic technologies are developed. One path to CO2-based hydroesterification is through an organoformate intermediate, which is then used in olefin hydroesterification to generate the desirable esters. This route creates a net CO2-based hydroesterification process using tandem catalytic systems for CO2 hydrogenation to organoformate paired with formate-olefin hydroesterification.
View Article and Find Full Text PDFCytotoxic activity of C polyacetylenes from the roots of Glehnia littoralis against drug-resistant colorectal and lung cancer cells.
J Nat Med
January 2025
College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea.
In the preliminary screening, falcarinol and falcarindiol, C polyacetylenes from the roots of Glehnia littoralis F. Schmidt ex Miq (Umbelliferae), displayed cytotoxic activity both against oxaliplatin-sensitive/resistant colorectal cancer (CRC) and gefitinib-sensitive/resistant non-small cell lung cancer (NSCLC) cells. In this study, 13 polyacetylenes including a new (3R,11R)-11-hyroxy-isofalcarinolone (1) were isolated from G.
View Article and Find Full Text PDFUnraveling distinct patterns of metagenomic surveillance and respiratory microbiota between two P1 genotypes of .
Emerg Microbes Infect
January 2025
Genetic Diagnosis Center, The First Hospital of Jilin University, Changchun, Jilin Province 130021, China.
To unravel distinct pattern of metagenomic surveillance and respiratory microbiota between () P1-1 and P1-2 and to explore the impact of the COVID-19 pandemic on epidemiological features, we conducted a multicenter retrospective study which spanned 90,886 pneumonia patients, among which 3,164 cases were identified. Our findings revealed a concurrent outbreak of , with the positivity rate rising sharply to 9.62% from July 2023, compared to the 0.
View Article and Find Full Text PDFPreliminary studies for the standardization of a pXRF analyzer ICP-OES for the accurate quantification of Pb in new paint.
Anal Methods
January 2025
Lead Exposure Elimination Project, London, W10 4BP, UK.
Determining lead (Pb) concentrations in new paints using spectroscopic methods such as Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES) requires technical expertise, consumables, equipment for method preparation, and instrumentation that can be cost prohibitive and difficult to maintain in low and middle-income countries (LMICs). Although portable X-ray Fluorescence (pXRF) analyzers are less expensive and simple to operate, their inaccuracy has limited their use to screening for the analysis of Pb in new, dried paint. To determine the limits of pXRF analyzers, new paint samples were purchased, dried, homogenized, and analyzed pXRF and ICP-OES.
View Article and Find Full Text PDFA nature-immersive virtual reality intervention to support hospice family caregivers: Qualitative findings from a pilot study.
Asia Pac J Oncol Nurs
December 2024
College of Nursing, Michigan State University, East Lansing, MI, USA.
Objective: Family caregivers (FCGs) of cancer patients who are in hospice experience psychological challenges and poor quality of life (QOL) as a consequence of caregiving demands and anticipatory loss. Supportive interventions are needed. Exposure to nature offers a source of relaxation; however, FCGs are often homebound and have limited opportunities for respite.
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