4 天之前 · Detail of a finely banded ore veinlet showing sphalerite (isotropic, with brown dispersed light internal reflections), with extremely fine-grained inclusions of chalcopyrite (pale blue anisotropy – so-called chalcopyrite disease), minor thin-foliated pyrrhotite (brown to bluish …

5 天之前 · “ This specimen consists of a large group of tan to reddish-brown, thin, curved crystals of siderite up to 29 mm across which are scattered with lustrous, micro pyrite. There are also a …

3 天之前 · In this study, an approach to design new fluorescent organic polymers based on benzodithiophene (BDT) chromophores are presented by utilizing machine learning (ML) …

2 天之前 · Report duplicate minID. 10,478,617 minIDs have been issued as of 10th Feb 2025 8:36 pm UTC

3 天之前 · “Click” Disaggregation-Induced Emission of a Fluorescent Dye N. Luedtke and K. Basran, Chem. Commun. , 2025, Accepted Manuscript , DOI: 10.1039/D4CC05916F

Easy and Fast Detection of Hypochlorite by a Bithiophene-Based Fluorescent Turn-on Sensor and its Applications to Test Strips, Real Water Samples, and Smartphone-Assisted Platform

4 天之前 · The coprecipitate did not undergo phase conversion (e.g. to green rust, magnetite or siderite) during reduction. Iron isotope fractionations suggest that rapid and near‐complete …

3 天之前 · Importantly, all Alexa dyes are sulfonated forms of different basic fluorescent substances, so they are often similar to standard dyes in their excitation and emission maxima …

2 天之前 · UV fluorescent dyes that glow in the primary colors are used in paints, papers, and textiles either to enhance color under daylight illumination or to provide special effects when lit …

5 天之前 · Tuva (Тува). No such meteorite exists. The name Tuva (Тува) in all probability refers to the meteorite known as the Chinga (read Chinge, Чинге), given on p. 79 of the Catalogue.