Microplastics are ubiquitous pollutants in aquatic habitats and commonly found in the gut contents of fish yet relatively little is known about the retention of these particles by fish. In this study, goldfish were fed a commercial fish food pellet amended with 50 particles of one of two microplastics types, microbeads and microfibers. Microbeads were obtained from a commercial facial cleanser ...

Hollow microfibers can be fabricated by using different materials such as metals and glass. The inner diameter of strong, tough, conductive metallic tubes is on a submillimeter scale while that quartz glass made thermoplastic forming reach 5 nm. However, are brittle nonconductive. Metallic glasses (MGs) conductive, have ability. Theoretically, used to produce hollow microfibers. Here, we report...

Abstract Nanocellulose is an emerging material that needs to be well characterized control its performance during industrial applications. Gel point (Ø g ) a convenient parameter commonly used estimate the aspect ratio (AR) of cellulose nano/microfibers (CNFs/CMFs), providing critical information on nanofiber network. However, estimation requires many sedimentation experiments, tedious and time...

This study presents a simple microfluidic approach to the rapid fabrication of complex-shaped microfibers (e.g., single hollow, double hollow, and microbelt), with highly uniform structures, based on a combination of the spontaneous formation of polymeric jet streams and in situ photopolymerization. Two laminar flows of a photocurable fluid and a liquid template (nonpolymerizing fluid) spontane...

We have recently reported initial results concerning an original approach to introduce additional properties into fibrillar proteins produced by live fibroblasts and extruded into the ECM. The key to such an approach was biocompatible, fluorescent and semiconducting synthetic molecules which penetrated spontaneously the cells and were progressively encompassed via non-bonding interactions durin...

The uniform alignment of endothelial cells inside small-diameter synthetic grafts can be directed by surface topographies such as microgrooves and microfibers to recapitulate the flow-induced elongation and alignment of natural endothelium. These surface micropatterns may also promote directional migration and potentially improve anastomotic ingrowth of endothelial cells inside the synthetic gr...

Tissue engineering (TE) approaches using biomaterials have gain important roles in the regeneration of cartilage. This paper describes the production by microfluidics of alginate-based microfibers containing both extracellular matrix (ECM)-derived biomaterials and chondrocytes. As ECM components gelatin or decellularized urinary bladder matrix (UBM) were investigated. The effectiveness of the c...

Shape Memory Microfibers In article number 2206739, Lavrik, Gao, Yang, and co-workers develop a new testing method for characterizing the mechanics shape memory dynamics of microstructures fabricated with two-photon polymerization in liquid environment. Testing results show that microfibers exhibit different mechanical properties recovery air environments, these can be tuned by controlling writ...

The La2NiO4 film was synthesized on the 304 stainless steel (SS) mesh. The hydrogen reduction of La2NiO4 generated homogeneous nanocatalyst particles (probably Ni/La2O3) over which methane was cracked, producing carbon nanotubes/microfibers and hydrogen. The carbon nanotubes/microfibers were strongly bonded to the SS mesh. It was observed that the methane conversion always reached its maximum a...