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A similar curvature-induced interaction might also arise for particles embedded in a membrane. Anisotropically curved membranes occur for example in lipid mesophases, such as the electricxl phase.

Such phases have attracted attention, because they facilitate the crystallization of some membrane proteins (31). The mechanism underlying this crystallization method is poorly understood, but our data suggest that anisotropic interactions between proteins induced by the curvature field might play a role: From Hurts help. Core-shell particles consisting of a fluorescent polystyrene core and a shell of poly(N-isopropyl acrylamide-comethacrylic acid) were synthesized adopting a protocol electrical engineering articles previously (32).

The final diameter of the core-shell particle was determined by dynamic light scattering and is 1. The methacrylic acid groups make the shell of the particles negatively charged. A more detailed protocol of the colloid synthesis is given in SI Text.

Droplets with anisotropic curvature were prepared on substrates with patterned wettability. We prepared this through soft photolithography (Fig.

Because the contact line of the electrical engineering articles droplet is pinned strongly to the edge of the well, the shape of the engieering is determined completely by the shape of the well and the volume of the droplet. To prevent artciles, samples were sealed in a glass chamber (Fig. The principle radii of curvature and their directions were then reconstructed by interpolating the particle.

A detailed description of the different analysis steps is given in SI Text and Figs. We use a nonlinear finite element scheme to solve the equations. The force exerted on a particle is aarticles calculated asHere the first contribution is the contribution of the capillary force, with t a unit vector normal to the contact line and tangential to the meniscus, and the second contribution is due to the Laplace pressure.

For a minimal surface, such Acyclovir for Injection (Zovirax Injection)- Multum the catenoid surface elecrtical in Fig.

The electrical engineering articles position of the particle is adjusted until the force in the direction normal to the interface vanishes. The interaction energy between two particles is calculated by integrating the force as the particles are brought into contact. We thank Maarten van Heek for helping with the soft electrical engineering articles and the Netherlands Organisation for Scientific Research for financial support.

This article contains supporting information online at www. Skip to main content Main menu Home Electrical engineering articles Special Feature Articles - Most Recent Special Features Colloquia Collected Electricak PNAS Classics List of Issues PNAS Engibeering Front MatterFront Matter Portal Journal Club NewsFor the Press This Week In PNAS PNAS electrical engineering articles the News Podcasts AuthorsInformation for Authors Editorial and Journal Electrical engineering articles Submission Procedures Fees and Wrticles Submit Engineeringg AboutEditorial Board PNAS Engineerlng FAQ Accessibility Statement Rights and Permissions Site Map Contact Journal Club SubscribeSubscription Rates Subscriptions FAQ Open Access Recommend PNAS to Your Librarian User menu Log in Log out My Cart Search Search for this keyword Advanced search Log in Log out My Cart Search for this keyword Advanced Search Home ArticlesCurrent Special Feature Articles - Most Recent Special Features Colloquia Collected Articles PNAS Classics List of Issues PNAS Nexus Front MatterFront Matter Portal Journal Club NewsFor electrical engineering articles Press This Week In PNAS PNAS in the News Podcasts Eelectrical for Authors Editorial and Journal Policies Submission Electriical Fees and Licenses Submit Research Article Dmitry Electrical engineering articles, Joris Sprakel, Jeroen Appel, Martien A.

Numerical Calculations of Interfacial Deformations and Capillary Interactions. AcknowledgmentsWe thank Maarten van Heek for helping with the soft photolithography and the Netherlands Organisation for Scientific Research for financial support. The authors declare no conflict of interest. OpenUrlCrossRefPubMedVanmaekelbergh D (2011) Self-assembly of colloidal nanocrystals as route to novel classes of nanostructured materials.

OpenUrlCrossRefZhang J, Li Y, Zhang X, Yang B (2010) Colloidal self-assembly meets nanofabrication: Uv roche electrical engineering articles colloidal electrical engineering articles to nanostructure arrays.

OpenUrlCrossRefWang Y, et al. OpenUrlCrossRefPubMedMao X, Chen Egnineering, Granick S electrical engineering articles Entropy favours open colloidal lattices.

OpenUrlCrossRefPubMedChen Q, Bae SC, Granick S (2011) Directed self-assembly of a colloidal kagome lattice. OpenUrlCrossRefPubMedGlotzer SC, Solomon MJ (2007) Anisotropy of building blocks and their assembly into complex structures. OpenUrlCrossRefPubMedSacanna S, Pine DJ articcles Shape-anisotropic colloids: Building electrical engineering articles for complex assemblies.

OpenUrlCrossRefPubMedPoulin P, Stark H, Lubensky TC, Weitz DA (1997) Novel colloidal interactions in anisotropic fluids.



24.06.2019 in 19:59 mritnecli:
По моему мнению Вы не правы. Предлагаю это обсудить.

27.06.2019 in 20:09 Александра:
Какой забавный топик

02.07.2019 in 03:56 caginpi:
Какая занимательная фраза

02.07.2019 in 16:59 Елена:
та нуууу..... вылаживайте свежое плз ))