Results 261 to 270 of about 541,993 (357)

Highly Sensitive Dopamine Electrochemical Sensor Using Pt Nanoparticles on CNTs/Polypyrrole Nanocomposites

open access: yesElectrochemical Science Advances, Volume 6, Issue 1, February 2026.
ABSTRACT Dopamine (DA) plays a vital role as a neurotransmitter in the central nervous system (CNS), and its accurate quantification is essential for diagnosing neurological disorders. However, selective and sensitive detection of DA in complex biological matrices remains a challenge due to interference from coexisting biomolecules.
N. I. Nayem   +7 more
wiley   +1 more source

Nineteenth‐Century Watercolour Reproductions of Old Masters in the Ruskin Teaching Collection, Ashmolean Museum, Oxford: Materials and Techniques of ‘Heaven‐Borne’ Copyist Charles Fairfax Murray

open access: yesArchaeometry, Volume 68, Issue 1, Page 64-83, February 2026.
ABSTRACT This study presents the first comprehensive analysis of the pigments and techniques used by Charles Fairfax Murray (1849–1919), a leading expert in Italian Renaissance attribution, influential art collector and primary copyist for John Ruskin.
Victoria Kemp   +3 more
wiley   +1 more source

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