Results 51 to 60 of about 38,855 (232)

Thermal stability of azurite and malachite in relation to the formation of mediaeval glass and glazes

open access: yes, 2002
Azurite and malachite have been extensively used as pigments in ancient and medieval manuscripts, glasses and glazes. The thermal stability of naturally occurring azurite and malachite was determined using a combination of controlled rate thermal ...
Ding, Zhe   +7 more
core   +1 more source

Degradation of Malachite Green by Visible Light-Assisted Electrocatalytic Treatment Using N-V co-doped TiO2 as Photocatalyst

open access: yesInternational Journal of Electrochemical Science, 2020
A γ-Al2O3-supported N-V co-doped TiO2 (N-V/TiO2/γ-Al2O3) photocatalyst was prepared as a particle electrode for a visible light-assisted multiphase electrocatalytic treatment.
Fuchen Ban, Qiu Jin, Yanxin Wang
doaj   +1 more source

Integrating Sustainability Through Socio‐Scientific Issues in Chile: Towards a Decolonial Chemistry Education

open access: yesScience Education, EarlyView.
ABSTRACT This study examines how integrating sustainability through socio‐scientific issue (SSI) in secondary chemistry teaching shapes epistemic openness and closure from a decolonial perspective, as mediated through classroom discourse. Drawing on a co‐planned lesson on copper mining in Chile – a scientifically rich yet ethically and politically ...
Denise Quiroz‐Martínez
wiley   +1 more source

Standard curve malachite green

open access: yes, 2013
Standard curve of inorganic phosphate (Pi) in malachite green assay was generated with a 0.02 mM KH2PO4 solution. A serial of standard solution containing different pmol of Pi were added to 950 µl of malachite green solution. Reactions were incubated for
Sandra M Bajjalieh (465046)   +1 more
core   +1 more source

Photoactivated Signaling Networks using DNA‐Based Synthetic Organelles as Biomimetic Protocells

open access: yesAngewandte Chemie, Volume 138, Issue 25, 15 June 2026.
Light‐triggered intercommunication between two types of organelle‐loaded liposomes lead to DNAzyme‐mediated on transcription‐guided structural reconfiguration of the organelles. ABSTRACT Membraneless organelles formed by phase‐separated nucleic acid or protein condensates play vital roles in regulating cellular functions.
Huiying Xue   +6 more
wiley   +2 more sources

INTERRELATIONS BETWEEN MALACHITE AND PSEUDOMALACHITE IN THE MEDNORUDYANSKOE DEPOSIT (CENTRAL URALS) [PDF]

open access: yesМинералогия, 2015
The examples of consecutive and alternated crystallization of malachite and pseudomalachite in zonal crusts, stalactites, and stalagmites of Mednorudyanskoe deposit are reviewed. Special attention paid to indicators of cocrystallization of these minerals
V.I. Popova, V.A. Popov, I.A. Blinov
doaj  

Introducing Chemical Vapor Etching (CVE): A Material‐Selective Approach for Surgically Precise Tarnish Removal

open access: yesSmall, EarlyView.
ABSTRACT The controlled removal of corrosion products is a persistent challenge in fields ranging from industrial alloy protection to cultural heritage conservation. Achieving high precision and selectivity in subtractive treatments remains difficult because of chemical complexity and structural heterogeneity of the corrosion layers.
Yumei Chai   +5 more
wiley   +1 more source

Recent Advances in Photocatalyst‐Driven Protein Labeling and Proximity Mapping

open access: yesThe Chemical Record, EarlyView.
Photocatalyst‐driven protein labeling and proximity mapping have rapidly advanced as powerful strategies for spatiotemporal control in complex biological environments. This review integrates recent developments across single‐electron transfer and energy transfer‐based mechanisms and highlights how catalyst design, reactive intermediates, and diffusion ...
Shinichi Sato   +3 more
wiley   +1 more source

Quantitative determination of illegally added malachite green residues in aquaculture using water-soluble quantum dots as fluorescent probes

open access: yes浙江大学学报. 农业与生命科学版, 2017
Quantum dots have unique physical and chemical properties and optical properties due to its special structure. In recent years, as a new type of fluorescent probe materials applied in chemical and biological analysis, medical diagnosis and other fields ...
XIE Xiaomei   +4 more
doaj   +1 more source

Integration of Micro‐CT and XRF Mapping for Multimodal 3D Analysis of Polychrome Wooden Artifacts

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT Over the past 5 years, computer applications have become crucial to archeological research. Since the 1990s, the focus has transitioned from data management tools to the development of virtual models. Recently, digital documentation of cultural heritage has gained considerable focus, with 3D modeling of objects.
Josiane E. Cavalcante   +10 more
wiley   +1 more source

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