Results 1 to 10 of about 6,932,206 (380)

The Physics and Physical Chemistry of Molecular Machines. [PDF]

open access: yesChemphyschem, 2016
AbstractThe concept of a “power stroke”—a free‐energy releasing conformational change—appears in almost every textbook that deals with the molecular details of muscle, the flagellar rotor, and many other biomolecular machines. Here, it is shown by using the constraints of microscopic reversibility that the power stroke model is incorrect as an ...
Astumian RD, Mukherjee S, Warshel A.
europepmc   +5 more sources

Physical organic chemistry [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2010
Physical organic chemistry – the study of the interplay between structure and reactivity in organic molecules – underpins organic chemistry, and we cannot imagine organic chemistry as a subject without knowledge of mechanism and reactivity. It is sometimes thought that the golden age of ‘physical organic chemistry’ was in the 20th century, when ...
John A. Murphy
doaj   +4 more sources

Lowering Activation Barriers to Success in Physical Chemistry (LABSIP): A Community Project. [PDF]

open access: hybridJ Phys Chem A, 2023
Baiz CR   +8 more
europepmc   +2 more sources

Muon Irradiation of ZnO Rods: Superparamagnetic Nature Induced by Defects

open access: yesNanomaterials, 2022
In this work, through a combination of photoluminescence spectroscopy, X-ray powder diffraction and magnetic measurements, it is determined that ZnO rods, made hydrothermally using a combination of magnetic field with respect to the force of gravity ...
Cody Landry   +3 more
doaj   +1 more source

Determination of the Concentration of Heavy Metals in Artisanal Cheeses Produced in the Mexican States of Tabasco and Chiapas

open access: yesMolecules, 2023
Cheese consumption provides humans with minerals, proteins, carbohydrates, and vitamins. In Mexico, several cheese varieties are produced, each with its texture, scent, and flavor. The artisanal cheeses made in the states of Tabasco and Chiapas—including,
Francisco Anguebes-Franseschi   +7 more
doaj   +1 more source

Pengaruh Variasi Konsentrasi Urea Terhadap Fotoaktivitas Material Fotokatalis N/TiO2 Untuk Penjernihan Limbah Batik Tenun Ikat Kediri

open access: yesJurnal Kimia Riset, 2020
ABSTRAK Fotokatalis merupakan suatu proses transformasi senyawa kimia yang dibantu oleh adanya material katalis dan cahaya. Teknologi fotokatalis sering digunakan untuk mengolah air polutan maupun limbah tekstil.
Aulia Dewi Rosanti   +2 more
doaj   +1 more source

The Effects of Metal Complexes of Nano-Graphene Oxide to Thermal Decomposition of FOX-7

open access: yesNanomaterials, 2020
1,1-diamino-2,2-dinitroethene (FOX-7) an insensitive high-energetic compound, has rarely been reported previously with respect to combustion performance.
Chongmin Zhang   +5 more
doaj   +1 more source

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