Refine by
Chemical Science Articles & Analysis
73 articles found
This study rigorously investigated the effect of charge-enhanced dry impregnation (CEDI) method on the physicochemical properties and catalytic performance of a ceria-supported nickel-based catalyst. The primary objective of the CEDI method was to augment the electrostatic adsorption of the nickel precursor onto the ceria support surface during the dry impregnation (DI) process. For a ...
At first glance, using herbicides to control aquatic weeds might seem like an efficient solution. But emerging science shows that these chemicals often come with serious unintended consequences for the environment. A recent report from Beyond Pesticides reveals that a new class of herbicides containing florpyrauxifen-benzyl (FPX) —designed to mimic ...
By analyzing these spectral features, researchers can determine the structural features of chiral molecules, such as conformation, the proportion of enantiomers, etc.ApplicationsCD spectroscopy is widely used in drug development, materials science, chemical synthesis, and other fields. It can not only be used to identify new chiral molecules but also to study ...
Furthermore, DLS can also measure dynamic properties of particles, such as diffusion coefficients and viscosity, which are important for understanding and controlling particle behavior.ApplicationsDLS has a wide range of applications in many fields, including pharmaceuticals, chemical engineering, materials science, etc. In the pharmaceutical field, DLS can be ...
John Supino, a PhD candidate studying chemical oceanography and wetland science at Boston College, has been working on research projects with The Wetlands Institute and its collaborators for several years. ...
Reference 1. Kim, Eunha, et al. Chemical science 10.34 (2019): 7835-7851. 2. Yoon, Hong Yeol, et al. Advanced Materials 34.10 (2022): ...
An isotope is one of two or more atoms of the same chemical element with the same atomic number, occupying the same position on the periodic table and having almost identical chemical behavior, but with different atomic weights or mass numbers, which results in differences in mass spectral behavior, radioactive transitions, and physical properties (e.g., ...
Chemical vapor deposition (CVD) processes rely on process gases for the transport of volatile precursors and byproducts. Performing process gas analysis on exhaust streams in CVD applications provides insight into the chemical reactions that occur at the surface of the substrate, enabling CVD processes to be monitored and optimized. In this article, we’re looking at the fundamentals of CVD ...
The synthesis was performed by sequential wet impregnation, first the adsorbent material. The physico-chemical properties of the DFMs were determined by N2 adsorption-desorption, H2 chemisorption, XRD, H2-TPR, CO2 TPD and TEM. ...
Common reasons for spoilage of stored cereals include water and humidity damage, invasion by insects or microorganisms, or even decomposition.3 Common approaches to kill invasive species were to fumigate storage silos with toxic chemicals4 but this only addresses the issue of damage by organisms and has become generally less popular with time due to concerns about the safety of using such ...
Valeur, Introduction: On the Origin of the Terms Fluorescence, Phosphorescence, and Luminescence, In New Trends in Fluorescence Spectroscopy: Applications to Chemical and Life Sciences; B. Valeur, J. –C. Brochon, Eds.; Springer Series on Fluorescence Methods and Applications; Springer Verlag (2001) pp 3-6 3. ...
The empirical potential in chemistry, that is, the force field, usually refers to the sum of bonded forces related to chemical bonds, bond angles, and bond dihedrals, and non-bonded forces connected with van der Waals forces and electrostatic charge. ...
A research team composed of scientists from the School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham UK; Wessex Water, Bath UK; the Institute of Arctic Biology, University of Alaska, Fairbanks, Alaska; the School of Biological and Chemical Science, Queen Mary University of London, London UK; and the ...
Above ground, where there is the potential for leaks in storage tanks due to degradation, damage or corrosion, there is the risk of benzene and other chemicals being released into the air. Benzene is a particularly hazardous chemical: the effects of high exposure include headache, dizziness, nausea and tiredness, while long term exposure of excessive levels is a ...
Ethylene, or ethene, is a primary feedstock for the chemical industry, including as a starting material for the production of a wide variety of plastics. ...
Additionally, the draft risk evaluation discusses how workers and consumers could be adversely affected by NMP under certain conditions of use. EPA notes that as with any chemical product, it “strongly recommends that users carefully follow all instructions on the product’s ...
PU Sandwich Panel applications cover the fields like light industry, chemical, electronics, textile, medical science, construction, building materials, automotive, defense, aerospace, aviation and so on. ...
MedChemExpress (MCE) offers a wide range of high quality research chemicals and biochemicals including novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. MCE has knowledgeable and friendly customer service and technical support teams with years of experience in the life science ...
Y-27632 is an ATP-competitive inhibitor of ROCK-I and ROCK-II, with Ki of 220 nM and 300 nM for ROCK-I and ROCK-II, respectively, which primes human induced pluripotent stem cells (hIPSCs) to selectively differentiate towards mesendodermal lineage via epithelial-mesenchymal transition-like modulation.MedChemExpress (MCE) offers a wide range of high quality research chemicals and ...
IPI549 is a potent and selective PI3Kγ inhibitor with an IC50 of 16 nM.MedChemExpress (MCE) offers a wide range of high quality research chemicals and biochemicals including novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. MCE has knowledgeable and friendly customer service and technical support teams ...