Results 21 to 30 of about 909,119 (272)

Recent advances in the application of stable isotope ratio analysis in forensic chemistry [PDF]

open access: yes, 2010
This review paper updates the previous literature in relation to the continued and developing use of stable isotope ratio analysis in samples which are relevant to forensic science.
Benson   +40 more
core   +1 more source

Voltammetric study and electroanalytical determination of contraceptive levonorgestrel using silver solid amalgam electrode fabricated with nanoparticles

open access: yesInternational Journal of Environmental Analytical Chemistry, 2019
Here we describe the investigation of the electrochemical behaviour and the electroanalytical quantification of hormonal contraceptive levonorgestrel using solid amalgam electrode fabricated with silver nanoparticles.
Ana Maria Braga de Souza   +4 more
semanticscholar   +1 more source

Assessment of the interaction of Portland cement-based materials with blood and tissue fluids using an animal model [PDF]

open access: yes, 2016
Portland cement used in the construction industry improves its properties when wet. Since most dental materials are used in a moist environment, Portland cement has been developed for use in dentistry.
Camilleri, Josette   +4 more
core   +1 more source

Comparison Study of Voltammetric Behavior of Muscle Relaxant Dantrolene Sodium on Silver Solid Amalgam and Bismuth Film Electrodes

open access: yesJournal of Analytical Methods in Chemistry, 2017
Voltammetric behavior of muscle relaxant dantrolene sodium (DAN) was studied and the voltammetric methods for its determination using polished and mercury meniscus modified silver solid amalgam electrodes (p-AgSAE and m-AgSAE) as well as using bismuth ...
Renáta Šelešovská   +4 more
semanticscholar   +1 more source

The Evolution of Dental Materials over the Past Century: Silver and Gold to Tooth Color and Beyond. [PDF]

open access: yes, 2019
The field of dental materials has undergone more of a revolution than an evolution over the past 100 y. The development of new products, especially in the past half century, has occurred at a staggering pace, and their introduction to the market has been
Bayne, SC   +4 more
core   +1 more source

Matrix: a complex amalgam of structures and functions in tumor microenvironment

open access: yesFEBS Open Bio, EarlyView.
The matrix is a dynamic, intricate three‐dimensional mesh of biomolecules with both structural and functional properties. This review deals with the complexity of this ‘molecular amalgam’ in the tumor microenvironment and highlights its importance in the maintenance and evolution of tumors by describing certain matrix biomolecules, such as ...
Spyros S. Skandalis   +3 more
wiley   +1 more source

The importance of mineralogical knowledge in the sustainability of artisanal gold mining: a mid-south Peru case [PDF]

open access: yes, 2019
Mineralogy and gold processing techniques from several mining areas of the Nazca-Ocoña gold belt, Mid-South Peru, were investigated to assess the efficiency of gold extraction methods in relation to their mineralogy.
Alfonso Abella, María Pura   +7 more
core   +2 more sources

Multifunctional Hydroxyapatite Coated with Gallium Liquid Metal‐Based Silver Nanoparticles for Infection Prevention and Bone Regeneration

open access: yesAdvanced Functional Materials, EarlyView.
A multifunctional hydroxyapatite (HAp) coating integrated with silver‐gallium liquid metal nanoparticles (HAp‐Ag‐GaNPs) exhibits dual antibacterial and osteogenic properties. It effectively inhibits Gram‐positive and Gram‐negative bacteria, including resistant strains, while enhancing bone regeneration.
Ngoc Huu Nguyen   +17 more
wiley   +1 more source

Assessing teachers’ beliefs to facilitate the transition to a new chemistry curriculum: what do the teachers want? [PDF]

open access: yes, 2008
In this article, we describe the results of a study of chemistry high school teachers’ beliefs (N = 7) of the chemistry curriculum and their roles, their beliefs on the teacher as developer of materials, and their beliefs about professional development ...
Coenders, Fer   +2 more
core   +4 more sources

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