Results 281 to 290 of about 1,175,148 (341)

CO₂ mediated optical investigation of pyridine transformation into 2,2'-bipyridine for nitrogen pollutant removal. [PDF]

Sci Rep
Nouairi ME, Freha M.
europepmc   +1 more source

Highly Efficient Organocatalytic House-Meinwald Rearrangement for the Facile Synthesis of Aldehydes: Swift Access to Ibuprofen. [PDF]

Chemistry
Dressler F, Fdali IE, Ciezarek LL, Schreiner PR.   +3 more
europepmc   +1 more source

Chemical fluorophores for fluorescence lifetime imaging.

Chem Soc Rev
Lim C, Seah D, Vendrell M.
europepmc   +1 more source

Substrate and standard evaluation for correlative elemental mapping of biological samples by X-ray fluorescence microscopy and laser ablation ICP-MS.

J Anal At Spectrom
Zee DZ, Ahn SH, Crawford AM, Sinha N, Jin Q, Jacobsen C, Maxey E, Lai B, MacRenaris KW, O'Halloran TV.   +9 more
europepmc   +1 more source

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Computer enhancements of general chemistry and quantitative analysis laboratories

Journal of Chemical Education, 1978
The authors have initiated a computer enhancement program in two of their undergraduate chemistry laboratory courses. The student response has been favorable.
Harvey B. Herman, J. A. Dilts
openaire   +1 more source

Quantitative analysis versus quantitative chemistry

Journal of Chemical Education, 1960
Examines the historical development of quantitative analysis and quantitative chemistry and their contemporary role in the undergraduate curriculum.
openaire   +1 more source

Introducing Field Environmental–Analytical Chemistry in the Quantitative Analysis Laboratory

The Chemical Educator, 2001
Advances in instrumentation and technology now provide the ability to perform many quantitative determinations in the field. Additionally, the potential for sample degradation and analyte decomposition make it necessary to determine certain analytes (e.g., dissolved oxygen) in the field when conducting environmental analyses.
John C. Schaumloffel, Aidalu Joubert-Castro   +1 more
openaire   +1 more source

Quantitative phosphoproteome analysis using a dendrimer conjugation chemistry and tandem mass spectrometry

Nature Methods, 2005
We present a robust and general method for the identification and relative quantification of phosphorylation sites in complex protein mixtures. It is based on a new chemical derivatization strategy using a dendrimer as a soluble polymer support and tandem mass spectrometry (MS/MS).
Tao, W Andy, Wollscheid, Bernd, O'Brien, Robert, Eng, Jimmy K, Li, Xiao-jun, Bodenmiller, Bernd, Watts, Julian D, Hood, Leroy, Aebersold, Ruedi   +8 more
openaire   +3 more sources

The ‘Mole Environment’ studyware: applying multidimensional analysis to quantitative chemistry problems

International Journal of Science Education, 1998
The mole, a fundamental concept in quantitative chemistry, poses understanding difficulties for many students. To tackle this problem we have developed a multidimensional problem analysis, classification and authoring method. We define three dimensions, each being a transformation from the symbol to the macro, micro and process understanding levels ...
Yehudit J. Dori, Mira Hameiri
openaire   +1 more source

Combining Pulsed SILAC Labeling and Click-Chemistry for Quantitative Secretome Analysis

2014
Secreted proteins, such as cytokines, chemokines, and hormones, exhibit central functions in intercellular communication, which is crucial to maintain homeostasis in every multicellular organism. A common approach to identify secreted proteins is by proteomic analysis of culture media after conditioning with a cell type of interest.
Katrin, Eichelbaum, Jeroen, Krijgsveld
openaire   +2 more sources