Results 81 to 90 of about 2,144,494 (387)

A micromethod for the determination of arginine [PDF]

open access: yes, 1941
Micromethods for the determination of arginine based on the use of the Sakaguchi reagent have been described (14). This reagent gives a strong color with glycocyamine, arginine, and other monosubstituted guanidine derivatives.
Dubnoff, Jacob W.
core  

Critical evaluation of potentiometric redox titration in enology [PDF]

open access: yes, 2005
Measurements of the zero current potential of a platinum electrode immersed in solutions of tanins or in wines of various origins, were performed during the additions of a solution of Ti(III), or of a solution of dichlorophenolindophenol (DCPIP), in ...
Comtat, Maurice, Durliat, Hélène
core   +1 more source

Integrative analysis of circulating tumor cells (CTCs) and exosomes from small‐cell lung cancer (SCLC) patients: a comprehensive approach

open access: yesMolecular Oncology, EarlyView.
This study simultaneously investigated circulating tumor cells (CTCs) and exosomes from small‐cell lung cancer (SCLC) patients. The elevated expression of JUNB and CXCR4 in CTCs was a poor prognostic factor for SCLC patients, whereas exosomal overexpression of these biomarkers revealed a high discrimination ability of patients from healthy individuals,
Dimitrios Papakonstantinou   +13 more
wiley   +1 more source

SFGP 2007 - Investigation of a Novel Principle of Chemical Grafting for Modification of Cellulose Fibers [PDF]

open access: yes, 2008
Natural cellulose fibres have been employed for packaging applications for a long time. Their use, however, has been hampered by their high hydrophilicity and their moisture sensitivity.
Berlioz, Sophie   +3 more
core   +1 more source

Quality control of gasohol using a micro-unit for membraneless gas diffusion [PDF]

open access: yes, 2008
This work describes the development of a new spectrophotometric flow technique suitable for monitoring of ethanol content in gasohol fuel. Membraneless gas-diffusion (MBL-GD) was applied with one-step aqueous extraction of gasohol (1:2 gasohol/water ...
DR Battiste   +19 more
core   +1 more source

Response to neoadjuvant chemotherapy in early breast cancers is associated with epithelial–mesenchymal transition and tumor‐infiltrating lymphocytes

open access: yesMolecular Oncology, EarlyView.
Epithelial–mesenchymal transition (EMT) and tumor‐infiltrating lymphocytes (TILs) are associated with early breast cancer response to neoadjuvant chemotherapy (NAC). This study evaluated EMT and TIL shifts, with immunofluorescence and RNA sequencing, at diagnosis and in residual tumors as potential biomarkers associated with treatment response.
Françoise Derouane   +16 more
wiley   +1 more source

Method of neutralizing the corrosive surface of amine-cured epoxy resins [PDF]

open access: yes, 1982
The corrosive alkaline surface layer of an epoxy resin product formed by the curing of the epoxy with an aliphatic amine is eliminated by first applying a non-solvent to remove most or all of the free unreacted amine and then applying a layer of a ...
Lee, S. Y.
core   +1 more source

Preparation, purification and characterization of aminopropyl-functionalized silica sol [PDF]

open access: yes, 2013
A new, simple and “green” method was developed for the surface modification of 20 nm diameter Stöber silica particles with 3-aminopropyl(diethoxy)methylsilane in ethanol. The bulk polycondensation of the reagent was inhibited and the stability of the sol
Attila Bóta   +47 more
core   +1 more source

A Reducing Reagent

open access: yesScientific American, 1878
n ...
openaire   +1 more source

Negishi's Reagent Versus Rosenthal's Reagent in the Formation of Zirconacyclopentadienes

open access: yesChemistry – A European Journal, 2019
AbstractZirconacyclopentadienes are versatile precursors for a large number of heteroles, which are accessible by Zr‐element exchange reactions. The vast majority of reports describe their preparation by the use of Negishi′s reagent, which is a species that is formed in situ.
Sara Urrego‐Riveros   +5 more
openaire   +3 more sources

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