Publisher's Note: Generic patterns in the evolution of urban water networks: Evidence from a large Asian city [Phys. Rev. E 95, 032312 (2017)].

This corrects the article DOI: 10.1103/PhysRevE.95.

Combined effects of Deepwater Horizon crude oil and environmental stressors on Fundulus grandis embryos.

In the present study, we examined how sensitivity to oil changes in combination with environmental stressors in Fundulus grandis embryos. We exposed embryos (<24 h post fertilization) to a range of high-energy water accommodated fraction (HEWAF) concentrations (0-50 parts per billion [ppb] total polycyclic aromatic hydrocarbons [PAHs]) made from Macondo crude oil in conjunction with various environmental conditions (temperature: 20 and 30 °C; salinity: 3, 7, and 30 practical salinity units [PSU]; and dissolved oxygen: 2 and 6 mg/L). Endpoints included mortality, hatching rates, and expression of cytochrome p450 1a and 1c (cyp1a, cyp1c) in hatched larvae.

Generic patterns in the evolution of urban water networks: Evidence from a large Asian city.

We examine high-resolution urban infrastructure data using every pipe for the water distribution network (WDN) and sanitary sewer network (SSN) in a large Asian city (≈4 million residents) to explore the structure as well as the spatial and temporal evolution of these infrastructure networks. Network data were spatially disaggregated into multiple subnets to examine intracity topological differences for functional zones of the WDN and SSN, and time-stamped SSN data were examined to understand network evolution over several decades as the city expanded. Graphs were generated using a dual-mapping technique (Hierarchical Intersection Continuity Negotiation), which emphasizes the functional attributes of these networks.

Nanosilver-coated socks and their toxicity to zebrafish (Danio rerio) embryos.

Silver nanoparticles (AgNPs) are being incorporated and are known to be released from various consumer products such as textiles. However, no data are available on the toxicity of AgNPs released from any of these commercial products. In this study, we quantified total silver released from socks into wash water by inductively coupled plasma mass spectrometry (ICP-MS) and determined the presence of AgNPs using transmission electron microscopy (TEM).