condensing flows in nozzles and fixed blades of steam turbine have always been the subject of many studies.in such flows, existence of liquid phase in vapor changes the nature of the flow. the major of changes are due to four main mechanisms included nucleation, droplet growth, coalescence and breakage of droplets. in this paper,the effects of coalescence process between droplets have been inve...

the paper is focused on the formation of hydroxyapatite nanoparticles (hap) in polyelectrolyte-modified microemulsions, in a microemulsion template phase consisting of cyclohexane, water, cationic surfactant and cosurfactant, in the presence of na-polyacrylate (paa) as an anionic polyelectrolyte. it is shown that paa, can be incorporated into the individual inverse microemulsion droplets. the m...

Microdroplets in water-in-oil emulsions can be used as microreactors with volumes 10(3) to 10(9) times smaller than the smallest working volumes in a microtitre plate well (1-2 microL). However, many reactions and assays require multiple steps where new reagents are added at defined times, to start, modify or terminate a reaction. The most flexible way to add new reagents to pre-formed droplets...

The visual inspection of crystallization experiments is an important yet time-consuming and subjective step in X-ray crystallography. Previously published studies have focused on automatically classifying crystallization droplets into distinct but ultimately arbitrary experiment outcomes; here, a method is described that instead ranks droplets by their likelihood of containing crystals or micro...

  Spreading and coating of nano and micro droplets on solid surfaces is important in a wide variety of applications including plasma spray coating, ink jet printing, DNA synthesis and etc. In spraying processes, most of droplets collide obliquely to the surface. The purpose of this article is to study the distribution of nano and micro droplets spreading when droplets impact at an oblique a...

Monodisperse cholesteric liquid crystal microspheres exhibit spherically symmetric Bragg reflection, generating, via photonic cross communication, dynamically tuneable multi-coloured patterns. These patterns, uniquely defined by the particular sphere arrangement, could render cholesteric microspheres very useful in countless security applications, as tags to identify and authenticate their carr...

Picoinjection is a promising technique to add reagents into pre-formed emulsion droplets on chip however, it is sensitive to pressure fluctuation, making stable operation of the picoinjector challenging. We present a chip architecture using a simple pressure stabilizer for consistent and highly reproducible picoinjection in multi-step biochemical assays with droplets. Incorporation of the stabi...

The new distributed parameter model is formulated for the purpose of the investigation of a drying of suspended and sessile droplets of multi-component solutions. The main feature of this model is the division of a droplet/wet particle into the shells and formulating the mass and heat balances for each shell, which have a shape of spheres in a case of aerosol particles and a shape close to the ...

Droplet microfluidics can form and process millions of picoliter droplets with speed and ease, allowing the execution of huge numbers of biological reactions for high-throughput studies. However, at the conclusion of most experiments, the emulsions must be broken to recover and analyze their contents. This is usually achieved with demulsifiers, like perfluorooctanol and chloroform, which can in...

Ichthyosis with confetti (IWC) is a rare autosomal dominant disorder caused by frameshift mutations in KRT10 or KRT1 gene. IWC characterized widespread ichthyosiform erythroderma and, more notably, concomitant revertant skin patches, also known as natural gene therapy (Choate et al., 2010; Suzuki 2016; Nomura 2018). Although homologous recombination underlies mosaicism IWC, the molecular mechan...