Results 1 to 10 of about 652,405 (298)

Compositional Analysis of the High Molecular Weight Ethylene Oxide Propylene Oxide Copolymer by MALDI Mass Spectrometry

open access: yes, 2012
The composition of narrow distribution poly ethylene oxide-propylene oxide copolymer (Mw ~ 8700 Da) was studied using matrix assisted laser desorption ionization (MALDI) mass spectrometry.
Houshia, Orwa Jaber, Wilkins, Charles
core   +1 more source

Green Analytical Chemistry—Recent Innovations

open access: yesAnalytica
Green analytical chemistry represents a transformative approach to analytical science, emphasizing sustainability and environmental stewardship while maintaining high standards of accuracy and precision. This review highlights recent innovations in green
Anil Kumar Meher, Akli Zarouri
doaj   +1 more source

A comprehensive review on the applications of chemometrics in analytical chemistry

open access: yesJournal of Applied Pharmaceutical Research
Background: This article presents a review of the various applications of chemometrics in analytical chemistry. Chemometrics is essential to analytical chemistry because it provides sophisticated methods for extracting, analyzing, and interpreting ...
Projesh Saha   +3 more
doaj   +1 more source

Principles of ESCA and application to metal corrosion, coating and lubrication [PDF]

open access: yes
The principles of ESCA (electron spectroscopy for chemical analysis) were described by comparison with other spectroscopic techniques. The advantages and disadvantages of ESCA as compared to other surface sensitive analytical techniques were evaluated ...
Wheeler, D. R.
core   +1 more source

Sputtering technology in solid film lubrication [PDF]

open access: yes
Potential and present sputtering technology is discussed as it applies to the deposition of solid film lubricants particularly MoS2, WS2, and PTFE.
Spalvins, T.
core   +1 more source

Nitrogen isotope analysis of ammonium and glycine [PDF]

open access: yes, 2005
Stable isotope techniques can be used as a tool in nitrogen cycling studies of different ecosystems. The studies are based on measurement of the heavy (15N)- to- light (14N) isotopic ratios of nitrogen in different biospheric pools.
Norlin, Elin
core  

The future of laboratory medicine - A 2014 perspective. [PDF]

open access: yes, 2015
Predicting the future is a difficult task. Not surprisingly, there are many examples and assumptions that have proved to be wrong. This review surveys the many predictions, beginning in 1887, about the future of laboratory medicine and its sub ...
FORTINA, PAOLO   +3 more
core   +1 more source

Recent progress in field-directed assembly of colloids in an evaporating droplet

open access: yesMaterials Today Bio
Evaporation-driven self-assembly of colloidal particles in a sessile drop can construct simple structures in various scenarios. However, the non-equilibrium self-assembly process, dominated by internal capillary flow and solute- or thermal-induced ...
Yongqing He   +4 more
doaj   +1 more source

Evaluation of available analytical techniques for monitoring the quality of space station potable water [PDF]

open access: yes
To assure the quality of potable water (PW) on the Space Station (SS) a number of chemical and physical tests must be conducted routinely. After reviewing the requirements for potable water, both direct and indirect analytical methods are evaluated that ...
Geer, Richard D.
core   +1 more source

Intra-regional classification of grape seeds produced in Mendoza province (Argentina) by multi-elemental analysis and chemometrics tools [PDF]

open access: yes, 2018
The feasibility of the application of chemometric techniques associated with multi-element analysis for the classification of grape seeds according to their provenance vineyard soil was investigated.
Canizo, Brenda Vanina   +4 more
core   +1 more source

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