Sugars, Alkaloids, and Heteroaromatics: Exploring Heterocyclic Chemistry with Alkoxyallenes

As master craftsmen, modern synthetic chemists are challenged to achieve remarkable feats of efficiency and elegance toward molecular targets. The nature of this pursuit necessitates the collection of synthetic repertoires that are tried and true. With methodologies and pathways increasingly… Read moreSugars, Alkaloids, and Heteroaromatics: Exploring Heterocyclic Chemistry with Alkoxyallenes

Servicing Modernity: White Women Shop Workers on the Rand and Changing Gendered Respectabilities

The article discusses the gendered respectability, which was built into a labour process of shop work in South Africa. It offers a brief history of the interactions between white women and black service workers in the late 1960s and early… Read moreServicing Modernity: White Women Shop Workers on the Rand and Changing Gendered Respectabilities

Structural Color Films with Lotus Effects, Superhydrophilicity, and Tunable Stop-Bands

The structural blue color of a Morpho butterfly originates from the diffraction of light and interference effects due to the presence of the microstructures on the wing of the butterfly. Structural color on the surface of a damselfish reversibly changes… Read moreStructural Color Films with Lotus Effects, Superhydrophilicity, and Tunable Stop-Bands

Studies on effect of pH on cross-linking of chitosan with sodium tripolyphosphate: A technical note

Conclusions The ionotropic gelation method for formation of crosslinked chitosan particles can be easily modified from ionic cross-linking to deprotonation by adjusting the pH of TPP. Chitosan was cross-linked ionically with TPP at lower pH; by deprotonation mechanism at higher… Read moreStudies on effect of pH on cross-linking of chitosan with sodium tripolyphosphate: A technical note

Spherical agglomeration of mefenamic acid; nabumetone to improve micromeritics; solubility: A technical note

Conclusions Spherical agglomeration techniques were developed for improving the flow; compressibility characteristics of microcrystalline mefenamic acid; nabumetone. The process involved agglomerating microcrystals using agglomerating solvents. Temperature; speed of agitation were optimized to obtain spherical agglomerates in a desired range, which… Read moreSpherical agglomeration of mefenamic acid; nabumetone to improve micromeritics; solubility: A technical note

Study of structure formation in TiC–TiB2–MexOy ceramics fabricated by SHS and densification

Bulk ceramic materials based on TiC–TiB2–MexOy systems have been produced by means of pressure-assisted self-propagating high-temperature synthesis (SHS). The selection of the SHS systems was based on thermodynamic analyses in order to obtain regimes of synthesis with formation of liquid… Read moreStudy of structure formation in TiC–TiB2–MexOy ceramics fabricated by SHS and densification

Simulation on the phase behavior of binary blends contacted with external surfaces under two-step quench conditions

The morphology evolution of binary blends subjected to a two-step quench in the presence of external surfaces, such as a static substrate or immobile fillers, was studied using the cell dynamical system (CDS) simulation method. When the binary blends were… Read moreSimulation on the phase behavior of binary blends contacted with external surfaces under two-step quench conditions

Self-consistent scale transition with imperfect interfaces: Application to nanocrystalline materials

A hierarchal scale transition technique is introduced to model the effect of imperfect interfaces on the elastoviscoplastic response of composite materials. This novel framework is based on a two-step procedure. In the first step, an inclusion is embedded in a… Read moreSelf-consistent scale transition with imperfect interfaces: Application to nanocrystalline materials