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sciepublish.com

Photocatalytic-induced cleaving of the ether C–O bond in model lignin compounds was studied with a closely-coupled compo-site material consisting of Ni(OH)2 and gold nanoparticles (NPs) on a zirconia support (Au/ZrO2–Ni(OH)2). The three important ether bond types consisting of α-O-4, β-O-4, and 4-O-5 linkages can all be cleaved using this catalyst at reaction temperatures 40, 85 and 95 °C when under low-flux visible light irradiation. The Au NPs action as a light-harvesting antenna provided light-generated hot electrons that reduced Ni2+ to Ni0. The Ni0 was the active catalytic site where reductive cleavage of ether C–O bonds occurred while it was oxidized to Ni2+ to complete the catalysis cycle. The plasmonic antenna system with supported Ni(OH)2 exhibited better ability for the catalytic reductive ether cleavages under visible light irradiation compared to photocata-lysts of Au NPs and Ni2+ ions immobilized on alumina fibers.

onacademic.com

find 500+ million publication pages, 20+ million researchers, and 900k+ projects. onacademic is where you discover scientific knowledge and share your research.

orientjchem.org

Introduction   Hydrocolloids play a significant role in the food industry, as they possess multifunctional properties, serving as thickeners, gelling agents, stabilizers, texturizers, and emulsifiers. They are also used to create edible coatings and enhance the flavor. Hydrocolloids play a crucial role in maintaining the appealing sensory qualities of reformulated fat-reducing food items. Their applications have also expanded into the medical field, where

cd-bioparticles.net

cd bioparticles provide contract services of drug delivery formulation developments and a large number of pre-formed liposome & polymer reagents.

ijirss.com

This study aimed to explore the factors that affect the success of information technology utilization in the business operations of agri-tech startups in Southern Thailand. Purposive sampling was used for random sampling, and the samples consisted of startup entrepreneurs in the agricultural sector in the south, registered with the department of business development, and a trade association to promote new technology entrepreneurs in 2019. The total number of cases was 48, and there were five experts in information technology management, startup business management, and executives involved in the startup business. Data were collected using in-depth semi-structured interviews and a questionnaire with a 5-point rating scale. Frequency, percentage, mean, standard deviation, and multiple regression analysis were applied using the R program. The results showed that 11 factors were associated with the successful use of information technology in operating a startup. The main predictor of success in information technology utilized in business operations of agri-tech startups in Southern Thailand were the characteristics of Information technology (X 1 ), behavior on using information technology (X 3 ), familiarity with basic technology in the organization (X 6 ), financial technology (X 10 ), and policy and law (X 11 ) ( R 2 = 0.511, P < 0.05). The results of the study could provide useful guidelines for developing and improving information technology, innovation utilization, and for setting policy suggestions regarding needs analysis, developing information technology in supporting agriculture entrepreneurs, and other businesses in Southern Thailand to manage the startup ecosystem.

kli.ac.at

the konrad lorenz institute provides a stimulating and creative environment for fellows, visiting scholars, students, and external faculty.

sciprofiles.com

sciprofiles provides open access to the scholarly community, offering comprehensive profiles where researchers can highlight their academic life, contributions, and share ideas freely. most likely shall be updated again when we have the content strategy.

scienceopen.com

Abstract Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and the resulting coronavirus disease 2019 (Covid-19) have afflicted tens of millions of people in a worldwide pandemic. Safe and effective vaccines are needed urgently. Methods In an ongoing multinational, placebo-controlled, observer-blinded, pivotal efficacy trial, we randomly assigned persons 16 years of age or older in a 1:1 ratio to receive two doses, 21 days apart, of either placebo or the BNT162b2 vaccine candidate (30 μg per dose). BNT162b2 is a lipid nanoparticle–formulated, nucleoside-modified RNA vaccine that encodes a prefusion stabilized, membrane-anchored SARS-CoV-2 full-length spike protein. The primary end points were efficacy of the vaccine against laboratory-confirmed Covid-19 and safety. Results A total of 43,548 participants underwent randomization, of whom 43,448 received injections: 21,720 with BNT162b2 and 21,728 with placebo. There were 8 cases of Covid-19 with onset at least 7 days after the second dose among participants assigned to receive BNT162b2 and 162 cases among those assigned to placebo; BNT162b2 was 95% effective in preventing Covid-19 (95% credible interval, 90.3 to 97.6). Similar vaccine efficacy (generally 90 to 100%) was observed across subgroups defined by age, sex, race, ethnicity, baseline body-mass index, and the presence of coexisting conditions. Among 10 cases of severe Covid-19 with onset after the first dose, 9 occurred in placebo recipients and 1 in a BNT162b2 recipient. The safety profile of BNT162b2 was characterized by short-term, mild-to-moderate pain at the injection site, fatigue, and headache. The incidence of serious adverse events was low and was similar in the vaccine and placebo groups. Conclusions A two-dose regimen of BNT162b2 conferred 95% protection against Covid-19 in persons 16 years of age or older. Safety over a median of 2 mont