Works (12)

Updated: July 31st, 2023 21:14

2022 journal article

Evaluation of the Toxicological and Color Properties of Anionic Hydrophobic Monoazo Dyes for Sustainable Human Hair Coloration

ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 10(8), 2593–2601.

By: T. Williams n, F. Vacchi*, A. Santos*, M. Szymczyk n, G. Umbuzeiro* & H. Freeman n

author keywords: aquatic toxicity; azo dyes; hair dyes; hydrophobic dyes; mutagenicity; sustainability
Sources: Web Of Science, ORCID
Added: March 28, 2022

2022 journal article

Molecular and excited state properties of photostable anthraquinone red and violet dyes for hydrophobic fibers

JOURNAL OF MOLECULAR STRUCTURE, 1248.

By: Y. Ding*, M. Szymczyk n, N. Mehraban n, J. Lim*, L. Parrillo-Chapman n, A. El-Shafei n, H. Freeman n

author keywords: Anthraquinone disperse dyes; Photostability; Intramolecular H-bonding; Structural analysis; X-ray crystallography; Molecular modelling
Source: Web Of Science
Added: October 18, 2021

2021 journal article

A promising Ames battery for mutagenicity characterization of new dyes

ENVIRONMENTAL AND MOLECULAR MUTAGENESIS, 62(1), 52–65.

By: G. Umbuzeiro n, D. Morales*, F. Vacchi*, A. Albuquerque*, M. Szymczyk n, X. Sui n, N. Vinueza n, H. Freeman n

author keywords: anthraquinones; azo dyes; microplate agar; Salmonella; microsome assay
MeSH headings : Coloring Agents / adverse effects; Coloring Agents / chemistry; Molecular Conformation; Mutagenesis / drug effects; Mutagenicity Tests / methods; Mutagens / adverse effects; Mutagens / chemistry; Salmonella typhimurium / drug effects; Salmonella typhimurium / genetics; Solubility
Sources: Web Of Science, ORCID
Added: January 4, 2021

2021 journal article

In situ Chelation of Monoazo Dyes in Human Hair Keratin Fibers Using Environmentally Benign Metal Ions

ACS Applied Bio Materials, 4(8), 6195–6202.

By: T. Williams n, M. Szymczyk n & H. Freeman n

author keywords: azo dyes; chelation; hair dyeing; keratin fibers; metal ions; sustainability
MeSH headings : Cytoskeletal Proteins / analysis; Hair / chemistry; Hair Dyes / analysis; Humans; Hydrogen Peroxide / analysis; Ions / analysis; Keratins, Hair-Specific / analysis; Metals / analysis
Sources: Web Of Science, ORCID
Added: September 20, 2021

2020 journal article

Molecular and excited state properties of photostable yellow disperse dyes

JOURNAL OF MOLECULAR STRUCTURE, 1207.

By: Y. Ding*, M. Szymczyk n, N. Mehraban n, J. Lim*, L. Parrillo-Chapman n, A. El-Shafei n, H. Freeman n

author keywords: Calculated energy values; Azo-anthraquinone homologs; ESI-MS analysis; X-ray crystal structure; HOMO-LUMO overlap
Sources: Web Of Science, ORCID
Added: April 6, 2020

2019 journal article

Molecular and excited state properties of photostable anthraquinone blue dyes for hydrophobic fibers

Journal of Molecular Structure, 1181, 109–117.

By: Y. Ding n, N. Mehraban n, M. Szymczyk n, L. Parrillo-Chapman n, A. El-Shafei n & H. Freeman n

author keywords: Anthraquinone disperse dyes; Intramolecular H-bonding; Structural analysis; X-ray crystallography; Molecular modelling
Sources: Web Of Science, Crossref, ORCID
Added: March 4, 2019

2019 journal article

Towards a reliable prediction of the aquatic toxicity of dyes

ENVIRONMENTAL SCIENCES EUROPE, 31(1).

By: G. Umbuzeiro n, A. Albuquerque*, F. Vacchi*, M. Szymczyk n, X. Sui n, R. Aalizadeh*, P. Ohe, N. Thomaidis*, N. Vinueza n, H. Freeman n

author keywords: Azo dyes; Anthraquinone dyes; ACO-SVM model; QSAR; MWDL; Daphnia
Sources: Web Of Science, ORCID
Added: October 21, 2019

2018 article

Data from X-ray crystallographic analysis and DFT calculations on isomeric azo disperse dyes

Lim, J., Szymczyk, M., Mehraban, N., Ding, Y., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2018, December). DATA IN BRIEF, Vol. 21, pp. 675–683.

By: J. Lim n, M. Szymczyk n, N. Mehraban n, Y. Ding n, L. Parrillo-Chapman n, A. El-Shafei n, H. Freeman n

Sources: Web Of Science, ORCID
Added: February 25, 2019

2018 journal article

Dimerised heterobifunctional reactive dyes. Part 1: characterisation using quadrupole time-of-flight mass spectrometry

Coloration Technology, 134(6), 470–477.

By: N. Sultana n, Y. Liu n, M. Szymczyk n, H. Freeman n & N. Vinueza n

Sources: Web Of Science, Crossref, ORCID
Added: December 17, 2018

2018 journal article

Molecular and excited state properties of isomeric scarlet disperse dyes

JOURNAL OF MOLECULAR STRUCTURE, 1161, 254–261.

By: J. Lim n, M. Szymczyk n, N. Mehraban n, Y. Ding n, L. Parrillo-Chapman n, A. El-Shafei n, H. Freeman n

author keywords: Intramolecular H-bonding; Electron transfer; Photostability; X-ray crystallography; Azo disperse dyes; Structural isomers
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Weaver's historic accessible collection of synthetic dyes: a cheminformatics analysis

CHEMICAL SCIENCE, 8(6), 4334–4339.

Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

Design, synthesis, and characterization of new iron-complexed azo dyes

Dyes and Pigments, 72(1), 8–15.

By: M. Szymczyk*, A. El-Shafei* & H. Freeman*

author keywords: azo and formazan dyes; iron-complexed dyes; trifluoroacetamido and mesylamido groups
Sources: Crossref, Web Of Science, ORCID
Added: August 6, 2018