Thermal management has become a critical issue for high heat flux electronics and energy systems. Integrated two-phase microchannel liquid-cooling technology been envisioned as promising solution, but with great challenges in flow instability. In this work, silicon nanowires were synthesized situ parallel arrays the first time to suppress instability augment boiling transfer. Significant enhancement transfer performance was demonstrated nanowire-coated sink, such an early onset of nucleate...

Precise identification and quantification of amino acids are crucial for numerous biological applications. A significant challenge in the development high-throughput, cost-effective nanopore protein sequencing technology is rapid translocation through nanopore, which hinders accurate sequencing. In this study, we explore potential constructed from a novel two-dimensional (2D) material MoSi2N4 decelerating velocity using molecular dynamics simulations. The peptide can be reduced by nearly an...

Accurate modeling of non-equilibrium molecular motion is essential for understanding rarefied supersonic flows in the upper atmosphere. This study employs dynamics simulations to investigate atomic-scale interactions argon gas around a silicon cuboid under conditions across flow regimes. Through systematic analysis velocity distributions, collision dynamics, and interfacial heat transfer from free-molecular transitional flow, atomic mechanisms that govern rarefaction effects were uncovered....

ABSTRACT Biodegradable polymers such as poly ( l ‐lactic acid) (PLLA) have extensive applications in the clinical and medical areas due to their superior mechanical properties. When applied implantable devices, PLLA will inevitably face challenge of a 37°C liquid environment that can affect its performance. This study mainly explores impact temperature–water synergy on monofilaments. The combined effects temperature (25°C–65°C) water are systematically studied, especially for medium...

Ion transport through nanopores is an important process in nature and has engineering applications. To date, most studies of nanopore ion have been carried out with electrolytes relatively low concentrations. In this paper, we report on ionic current modulation from the translocation dsDNA a under high strength electrolyte concentration gradient across nanopore. Results show that case, DNA can induce either negative or positive modulation, even though usually only downward peaks are expected...

The function of a protein is determined by the composition amino acids and essential to proteomics. However, sequencing remains challenging due protein's irregular charge state its high-order structure. Here, proof principle study on capability graphene nanopores integrated with atomic force microscopy performed using molecular dynamics simulations. It found that can discriminate sequence even protonation at single-residue resolution. Both pulling forces current blockades induced permeation...

Molecular machines hold keys to performing intrinsic functions in living cells so that the organisms can work properly, and unveiling mechanism of functional molecule as well elucidating dynamic process interaction with their surrounding environment is an attractive pharmaceutical target for human health. Due limitations searching exploring all possible motors bodies, designing constructing nanorobots vital meeting fast-rising demand revealing life science related diagnostics. Here, we...

Abstract During the past decades, scientists have developed different kinds of nanorobots based on various driving principles to realize controlled manipulation them for potential applications like medical diagnosis and directed cargo delivery. In order design a nanorobot with advantages simple operation precise control that can enrich family intelligent nanorobots, an encoding method is proposed movement DNA‐nanoparticle assembled by combing electrophoresis electroosmosis effect in...

Abstract We report our studies on the adsorption properties of double-stranded DNA molecules mica surfaces in a confined environment using surface force apparatus. Specifically, we studied influence cation species and concentrations properties. Our results indicated that divalent cations (Mg 2+ Co ) preferred to form uniform moderately dense layers substrate. By measuring interactions between DNA-coated bare an aqueous solution, obvious adhesion was observed cobalt chloride possibly due...

In the past few decades, nanometer-scale pores have been employed as powerful tools for sensing biological molecules. Owing to its unique structure and properties, solid-state nanopores provide interesting opportunities development of DNA sequencing technology. Controlling translocation in is an important means improving accuracy sequencing. Here we present a proof principle study accelerating captured across targeted graphene using surface charge density find intrinsic mechanism combination...

This study provides a strategy to generate stretchable, compressive, and conductive hydrogels with adhesive properties can be used in underwater environments, expanding the potential applications of as wearable electronic devices.

Abstract For the design of polymer stents, supportability and flexibility are two important indexes, but they often difficult to balance. The mixed braiding monofilaments with different diameters provides a potential solution balance these indices. In this study, influence on mechanical properties stent was further explored by adjusting knitting ratio thick thin monofilaments. By replacing in smaller turn, changing trend is obtained. results show that, when number greater than or equal that...

Protein sequencing is crucial for understanding the complex mechanisms driving biological functions and of utmost importance in molecular diagnostics medication development. Nanopores have become an effective tool single molecule sensing, however, weak charge non-uniform distribution protein make capturing sensing very challenging, which poses a significant obstacle to development nanopore-based sequencing. In this study, facilitate unfolded protein, highly charged peptide was employed our...

Abstract In this article, a poly(L‐lactic acid) (PLLA) monofilament with high mechanical properties which can be used to construct biodegradable biliary stents (BBS) is prepared. Compared commercial polydioxanone (PDO) suture, the PLLA has much higher Young's modulus. As result, chronic outward force (COF) of stent braided by more than three times that PDO suture. Furthermore, physicochemical indexes characterizations, it acceptable stable modulus and elongation at break without brittle...

Due to the strong interaction between benzenoid residues and MoS 2 membrane, velocity of protein translocation through nanopore is well controlled by tuning fraction peptide.

The impressive success of DNA sequencing using nanopores makes it possible to realize nanopore based protein sequencing. Well-controlled capture and linear movement the are essential for accurate Here, by taking advantage different binding affinities two isomorphic materials, we theoretically designed a heterostructual platform delivering unfolded peptide sensing region. Due stronger between SnS2 compared MoS2, would adsorb nanostripe keep its threadlike conformation in MoS2/SnS2/MoS2...

The stable and homogeneneous aqueous suspension of carbon nanotubes was prepared in this study. stability the nanofluids improved greatly due to use a new dispersant, humic acid. thermal conductivity measured with 3ω method. experimental results showed that suspensions increases temperature also is nearly proportional loading nanoparticles. enhancement single-walled (SWNTs) better than multi-walled (MWNTs) suspensions. Especially for volume fraction 0.3846% SWNTs, enhanced by 40.5%....

Abstract In this paper, the effects of annealing temperature on both radial supporting performance and axial flexibility poly(L‐lactic acid) (PLLA) braided stents are studied. Stents annealed at a series temperatures ranging from 80 to 160°C for 1 h, then indicators shaping effect, performance, compared. not 80°C cannot be completely shaped. contrast, 100 well shaped showing shrinkage rate 1.0 ± 0.2% almost no elongation. The compressive force gradually increased by 51.2% 89.2%, respectively...