Results 101 to 110 of about 1,641,579 (289)

A Perspective: A Brief Consideration of Some Popular Blue Colorants

open access: yesColorants
This Perspective sets out to raise awareness about the chemical and photophysical properties of an assortment of blue colorants; it is generally regarded that blue is the most popular color worldwide and is recognized for its serenity and calming effect.
Anthony Harriman
doaj   +1 more source

The Blue Engineer : Engineers with ecological and social responsibility. Issue 01, Wintersemester 2013/2014

open access: yes, 2013
The Blue Engineer hat sich der Aufgabe gewidmet, über inner– und außeruniversitäre Themen mit Bezug zu ganzheitlich verstandener Nachhaltigkeit zu ...

core   +1 more source

Visible Octave Frequency Combs in Silicon Nitride Nanophotonic Waveguides Driven by Ti:Sapphire Lasers

open access: yesLaser &Photonics Reviews, EarlyView.
Chip‐based frequency combs are usually pumped from telecom wavelengths, far from the visible. This work instead pumps close to the visible with a Ti:sapphire laser ‐ the source behind the original optical frequency combs and now becoming chip‐integrable‐ and lets silicon‐nitride waveguides convert it into efficient, octave‐spanning visible‐to‐infrared ...
Abdullah Alabbadi   +5 more
wiley   +1 more source

The plight of women in Egyptian cinema (1940s 1960s) [PDF]

open access: yes, 2002
It has been suggested that the period between the 1940s and the 1960s was 'the golden age' of Egyptian cinema -a period of growth, innovation and popularity.
Farrugia, Marisa
core   +2 more sources

Man-made blue and purple barium copper silicate pigments and the pabstite (BaSnSi3O9) mystery of ancient Chinese wall paintings from Luoyang

open access: yesHeritage Science, 2019
Man-made ancient Chinese barium copper silicate pigments: Chinese (Han) Purple, BaCuSi2O6; Chinese (Han) Blue, BaCuSi4O10; Chinese Dark Blue, BaCu2Si2O7 (in summary called Chinese blues), and platelet-like crystals of BaSnSi3O9 were detected on mural ...
Zhiguo Zhang, Qinglin Ma, Heinz Berke
doaj   +1 more source

Analysis of Carbohydrates and Glycoconjugates by Matrix‐Assisted Laser Desorption/Ionization Mass Spectrometry: An Update for 2023–2024

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT The use of MALDI mass spectrometry for the analysis of carbohydrates and glycoconjugates is a well‐established technique and this comprehensive review is the twelfth update of the original article published in 1999 and brings coverage of the literature to the end of 2024.
David J. Harvey
wiley   +1 more source

Snapshots of chemical practices in Ancient Egypt

open access: yesSubstantia, 2018
This article gives a historical overview of a number of chemical practices carried out by the Ancient Egyptians and shows that beyond being purely empirical, in more than one instance their methods suggest an understanding of the rudiments of modern day ...
Jehane Ragai
doaj   +1 more source

The hermetic logos : reading the "Corpus Hermeticum" as a reflection of Graeco-Egyptian mentality [PDF]

open access: yes, 2010
This study analyses Hermetic literature and focuses on the seventeen treatises of the so-called Corpus Hermeticum. It takes as its starting point the assumption that what are nowadays known as the Philosophical Hermetica emerged as a product of a Graeco ...
Gurgel Pereira, Ronaldo Guilherme
core   +1 more source

TP53 mutations orchestrate partial EMT states in oral squamous cell carcinoma: spatially resolved and in vitro preliminary insights into tumour plasticity

open access: yesThe Journal of Pathology, EarlyView.
Abstract TP53 is the most frequently mutated gene in oral squamous cell carcinoma (OSCC); however, its role in promoting epithelial–mesenchymal transition (EMT) and tumour progression remains unclear, particularly within the context of intra‐tumour heterogeneity.
Rana Alaaeldin Ibrahim   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy