Results 41 to 50 of about 5,444,424 (222)

Modelling chemotaxis of microswimmers: from individual to collective behavior

, 2019
We discuss recent progress in the theoretical description of chemotaxis by coupling the diffusion equation of a chemical species to equations describing the motion of sensing microorganisms. In particular, we discuss models for autochemotaxis of a single
Liebchen, B., Löwen, H.
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Wettability of Quartz by Ethanol, Rhamnolipid and Triton X-165 Aqueous Solutions with Regard to Its Surface Tension

Colloids and Interfaces, 2023
The wettability of quartz by different liquids and solutions plays a very important role in practical applications. Hence, the wetting behaviour of ethanol (ET), rhamnolipid (RL) and Triton X-165 (TX165) aqueous solutions with regard to the quartz ...
Anna Zdziennicka, Katarzyna Szymczyk, Bronisław Jańczuk   +2 more
doaj   +1 more source

Sequence Heterogeneity Accelerates Protein Search for Targets on DNA [PDF]

, 2015
The process of protein search for specific binding sites on DNA is fundamentally important since it marks the beginning of all major biological processes. We present a theoretical investigation that probes the role of DNA sequence symmetry, heterogeneity
Alberts B., Alexey A. Shvets, Anatoly B. Kolomeisky, Dill K. A., Lodish H., Phillips R.   +5 more
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Intrinsic noise induced resonance in presence of sub-threshold signal in Brusselator

, 2011
In a system of non-linear chemical reactions called the Brusselator, we show that {\it intrinsic noise} can be regulated to drive it to exhibit resonance in the presence of a sub-threshold signal.
Bartholomay A. F., Dibyendu Das, P. Parmananda, Stacey W. C., Supravat Dey   +4 more
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Wetting Behaviour of Water, Ethanol, Rhamnolipid, and Triton X-165 Mixture in the Polymer–Solution Drop–Air System

Molecules, 2023
Despite the fact that the wetting properties of multicomponent mixtures including the surface active compounds play a very important role in many practical applications, they are not sufficiently known.
Anna Zdziennicka, Edyta Rekiel, Katarzyna Szymczyk, Wojciech Zdziennicki, Bronisław Jańczuk   +4 more
doaj   +1 more source

Preparation, characterization, and application of silica nanoparticles and silica aerogel in smart drug delivery systems

Current Research in Biotechnology
Silica nanoparticles (SNPs) and silica aerogels (SAs) have emerged as new drug delivery platforms with promise for treating chronic conditions such as multidrug-resistant tuberculosis (MDR-TB) and diabetic foot infections.
Ayda Ahmadi, Abobakr Sori, Jafarsadegh Moghaddas   +2 more
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Anomalous Shift of Chemical Potential in the Double-Exchange Systems

, 1997
Double-exchange system is investigated by the dynamical mean-field theory. We show that the chemical potential shifts as a function of temperature and magnetization, which is anomalously large. We also discuss the influences of dynamic Jahn-Teller effect
Allub R., Anderson P. W., Billinge S. J. L., Dai P., Furukawa N., Furukawa N., Hamada N., Hwang H., Kataoka M., Kubo K., Millis A. J., Millis A. J., Park J.-H., Radaelli P., Tokura Y., Varma C. M., Zener C.   +16 more
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Lepton Asymmetry of the Universe and Charged Quark-Gluon Plasma [PDF]

, 2000
The lepton asymmetry of order one is not excluded experimentally and, if present, can lead to interesting phenomena in the early Universe. It is shown that, when the temperature is above the quark-hadron transition, the lepton asymmetry induces chemical ...
Bajc, Bajc, Casas, Di Bari, Dolgov, Dolgov, Foot, Gelmini, Haber, Harvey, K Zarembo, Kang, Kinney, Kozhevnikov, Langacker, Lesgourgues, Linde, Linde, Liu, March-Russell, Nagasawa, Riotto, Shi, Smilga   +23 more
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Surface Activity of Natural Surfactants Extracted from Sapindus mukorossi and Sapindus trifoliatus Soapnuts

Colloids and Interfaces, 2021
Surfactants derived from renewable sources such as plants are an ecological alternative to synthetic surfactants. Aqueous solutions of natural surfactants extracted from soapnuts obtained from two plants, Sapindus mukorossi and Sapindus trifoliatus, were
Patrycja Wojtoń, Magdalena Szaniawska, Lucyna Hołysz, Reinhard Miller, Aleksandra Szcześ   +4 more
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Self-organizing propagation patterns from dynamic self-assembly in monolayers [PDF]

, 2006
Propagation of localized orientational waves, as imaged by Brewster angle microscopy, is induced by low intensity linearly polarized light inside axisymmetric smectic-C confined domains in a photosensitive molecular thin film at the air/water interface ...
Claret Bonet, Josep, Ignés i Mullol, Jordi, Reigada Sanz, Ramon, Sagués i Mestre, Francesc   +3 more
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