Harold S. Freeman

Natural indigo toxicity for aquatic and terrestrial organisms

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, 290.

The natural anthraquinone dye emodin: Eco/genotoxicological characterization for aquatic organisms

FOOD AND CHEMICAL TOXICOLOGY, 189.

Acryloyl esters of emodin for waterless dyeing and toxicological studies

Magalhaes, G. R., Militao, G. F. G., Farias, N. O., Albuquerque, A. F., Botelho, M. T., Raisanen, R., … Aragao Umbuzeiro, G. (2023, October 12). COLORATION TECHNOLOGY.

Pomegranate peel extract and zinc oxide as a source of natural dye and functional material for textile fibers aiming for photoprotective properties

MATERIALS CHEMISTRY AND PHYSICS, 293.

Copaifera langsdorffii Desf. bark extract: optimisation of dyeing conditions to wool and colour fastness properties

NATURAL PRODUCT RESEARCH, 36(14), 3744–3749.

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.

Isomeric tetrazole-based organic dyes for dye-sensitized solar cells: Structure-property relationships

JOURNAL OF MOLECULAR STRUCTURE, 1250.

Metal-complexed monoazo dyes as sustainable permanent hair dye alternatives-Toxicological and durability properties

DYES AND PIGMENTS, 197.

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

JOURNAL OF MOLECULAR STRUCTURE, 1248.

Mutagenicity of dyes: a call to fill the knowledge gaps and improve our predictive ability

Aragao Umbuzeiro, G., Freeman, H. S., & Raisanen, R. (2022, September 1). TOXICOLOGY LETTERS, Vol. 368, pp. S73–S73.

Waterless Dyeing and In Vitro Toxicological Properties of Biocolorants from Cortinarius sanguineus

JOURNAL OF FUNGI, 8(11).

A fungal-based anthraquinone emodin for polylactide and polyethylene terephthalate in supercritical carbon dioxide (SC-CO2) dyeing

COLOR RESEARCH AND APPLICATION, 46(3), 674–680.

Characterization of the photophysics of a mixed system of red disperse dyes using experimental and theoretical methods

DYES AND PIGMENTS, 184.

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

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

Molecular characterization and ecotoxicological evaluation of the natural dye madder and its chlorinated products

Freeman, H. S., Santos, T. C., Chen, Y., Vendemiatti, J. A. S., Oliveira, A. C., Vacchi, F. I., … Umbuzeiro, G. A. (2021, November 25). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, Vol. 11.

Reuse of water from real reactive monochromic and trichromic wastewater for new cotton dyes after efficient treatment using H2O2 catalyzed by UV light

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, 9(4).

A promising Ames battery for mutagenicity characterization of new dyes

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

Molecular and excited state properties of photostable yellow disperse dyes

JOURNAL OF MOLECULAR STRUCTURE, 1207.

Natural dye from Croton urucurana Baill. bark: Extraction, physicochemical characterization, textile dyeing and color fastness properties

DYES AND PIGMENTS, 173.

New tetrazole based dyes as efficient co-sensitizers for dsscs: Structure-properties relationship

ORGANIC ELECTRONICS, 87.

Toward closed loop recycling of polyester fabric: Step 1. decolorization using sodium formaldehyde sulfoxylate

JOURNAL OF CLEANER PRODUCTION, 254.

X-ray photoelectron spectroscopy study on the photodegradation of copolyester model compounds

JOURNAL OF APPLIED POLYMER SCIENCE, 138(2).

Analysis of keratin films as screening tools for predicting the efficacy of potential hair dyes

COLORATION TECHNOLOGY, 135(4), 253–266.

Approach to Waterless Dyeing of Textile Substrates-Use of Atmospheric Plasma

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 58(40), 18478–18487.

Influence of UV stabilizers on the weathering of PETG and PCTT films

JOURNAL OF APPLIED POLYMER SCIENCE, 136(47).

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

Journal of Molecular Structure, 1181, 109–117.

Pretreatment effects on pigment-based textile inkjet printing - colour gamut and crockfastness properties

COLORATION TECHNOLOGY, 135(1), 77–86.

Synthesis and Encapsulation of a New Zinc Phthalocyanine Photosensitizer into Polymeric Nanoparticles to Enhance Cell Uptake and Phototoxicity

APPLIED SCIENCES-BASEL, 9(3).

Towards a reliable prediction of the aquatic toxicity of dyes

ENVIRONMENTAL SCIENCES EUROPE, 31(1).

Variation in hydrophobic chain length of co-adsorbents to improve dye-sensitized solar cell performance

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 21(30), 16771–16778.

A study of the effects of fabric pretreatment on color gamut from inkjet printing on polyester

JOURNAL OF THE TEXTILE INSTITUTE, 109(9), 1143–1151.

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.

Developing the methodology of colour gamut analysis and print quality evaluation for textile ink-jet printing: Delphi method

COLORATION TECHNOLOGY, 134(2), 135–147.

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

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

Molecular and excited state properties of isomeric scarlet disperse dyes

JOURNAL OF MOLECULAR STRUCTURE, 1161, 254–261.

Toward the Rational Design of Sustainable Hair Dyes Using Cheminformatics Approaches: Step 1. Database Development and Analysis

ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 6(2), 2344–2352.

Toward the Rational Design of Sustainable Hair Dyes Using Cheminformatics Approaches: Step 2. Identification of Hair Dye Substance Database Analogs in the Max Weaver Dye Library

ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 6(11), 14248–14256.

Color Gamut Analysis and Color Fastness Evaluation for Textile Inkjet Printing Application on Polyester

JOURNAL OF IMAGING SCIENCE AND TECHNOLOGY, 61(5).

Mordant dye application on cotton: optimisation and combination with natural dyes

COLORATION TECHNOLOGY, 133(5), 369–375.

Waste from eucalyptus wood steaming as a natural dye source for textile fibers

JOURNAL OF CLEANER PRODUCTION, 143, 303–310.

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

CHEMICAL SCIENCE, 8(6), 4334–4339.

Characterization of non-genotoxic diarylides using experimental and molecular orbital methods

DYES AND PIGMENTS, 121, 128–137.

Developments in PDT Sensitizers for Increased Selectivity and Singlet Oxygen Production

[Review of ]. MATERIALS, 8(7), 4421–4456.

One-Step Pad Dyeing and DP Finishing of Cotton: Part 1. Reactive Dyes with DMDHEU

AATCC JOURNAL OF RESEARCH, 2(3), 6–12.

One-Step Pad Dyeing and DP Finishing of Cotton: Part 2. Mechanism of Dye Fixation Using DMDHEU

AATCC JOURNAL OF RESEARCH, 2(3), 13–20.

Potential of a bacterial consortium to degrade azo dye Disperse Red 1 in a pilot scale anaerobic-aerobic reactor

PROCESS BIOCHEMISTRY, 50(5), 816–825.

Synthesis and X-ray analysis of a perfluoroalkyl-substituted azobenzene dye

DYES AND PIGMENTS, 120, 245–250.

Aromatic amines: use in azo dye chemistry

FRONTIERS IN BIOSCIENCE-LANDMARK, 18, 145–164.

Characterization of metabolites of genotoxic 4,4 '-aminoalkoxyazobenzene dyes

DYES AND PIGMENTS, 99(2), 496–501.

Chlorine disinfection of dye wastewater: Implications for a commercial azo dye mixture

SCIENCE OF THE TOTAL ENVIRONMENT, 442, 302–309.

Design, Synthesis, and Pharmacological Screening of Novel Porphyrin Derivatives

JOURNAL OF CHEMISTRY, 2013.

Dye Sensitizers for Photodynamic Therapy

[Review of ]. MATERIALS, 6(3), 817–840.

Effects of bis-carbazole based D-pi-A sensitizers on solar energy capture in DSSCs

PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 12(3), 421–431.

Effects of substituents on the photophysical properties of symmetrical porphyrins

DYES AND PIGMENTS, 96(2), 440–448.

New N-methyl pyrrole and thiophene based D-pi-A systems for dye-sensitized solar cells

DYES AND PIGMENTS, 96(2), 313–318.

Synthesis and Pharmacological Screening of Novel meso-Substituted Porphyrin Analogs

ARCHIV DER PHARMAZIE, 346(1), 53–61.

Novel yellow azo-anthraquinone dyes for polylactide fibres: effects of alkyl chain length

COLORATION TECHNOLOGY, 128(2), 121–126.

Structure-photovoltaic performance relationships for DSSC sensitizers having heterocyclic and benzene spacers

JOURNAL OF MATERIALS CHEMISTRY, 22(38), 20403–20409.

Spectroscopic study of anthraquinone dye/amphiphile systems in binary aqueous/organic solvent mixtures

DYES AND PIGMENTS, 91(3), 389–395.

Studies involving reactive dyes containing a benzophenone ultraviolet absorber

COLORATION TECHNOLOGY, 127(1), 47–54.

Palladium nanoparticle microemulsions: Formation and use in catalytic hydrogenation of o-chloronitrobenzene

CHEMICAL ENGINEERING JOURNAL, 165(2), 709–713.

Synthesis and application of yellow azo-anthraquinone disperse dyes for polylactide fibres

COLORATION TECHNOLOGY, 126(2), 92–96.

Synthesis and characterization of selected 4,4 '-diaminoalkoxyazobenzenes

[Review of ]. DYES AND PIGMENTS, 87(2), 100–108.

Monoazo dyes based on 5,10-dihydrophenophosphazine, Part 2: Azo acid dyes

DYES AND PIGMENTS, 81(2), 137–143.

X-ray and molecular modelling studies of 4-[N-alkylamino]azobenzene dyes

DYES AND PIGMENTS, 82(3), 299–306.

Hydrogenation of o-chloronitrobenzene on a Pd/C catalyst doped with metal oxide nanoparticles

CHEMICAL ENGINEERING JOURNAL, 141(1-3), 368–374.

Hydrolyzed reactive dyes. Part 1: Analyses via fast atom bombardment and electrospray mass spectrometry

DYES AND PIGMENTS, 79(2), 89–100.

Photostability of isotactic polypropylene containing monoazo pigment

JOURNAL OF APPLIED POLYMER SCIENCE, 108(5), 2950–2957.

Aquatic toxicity evaluation of copper-complexed direct dyes to the Daphnia magna

DYES AND PIGMENTS, 73(1), 126–132.

Aquatic toxicity evaluation of new direct dyes to the Daphnia magna

DYES AND PIGMENTS, 73(1), 81–85.

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

Dyes and Pigments, 72(1), 8–15.

Dyes for polyester: disperse dyes

Chimica Oggi, 25(4), 38–41.

Photo-stability of pigmented isotactic polypropylene

Journal of Applied Polymer Science, 104.

Synthesis and mutagenic properties of 4,4'-diamino-p-terphenyl and 4,4'-diamino-p-quaterphenyl

COLORATION TECHNOLOGY, 123(1), 34–38.

Synthesis and mutagenic properties of direct dyes from 4,4'-diamino-p-terphenyl and 4,4'-diamino-p-quaterphenyl

COLORATION TECHNOLOGY, 123(1), 39–45.

Synthesis and properties of disperse dyes containing a built-in triazine stabilizer

DYES AND PIGMENTS, 74(3), 608–614.

Design, synthesis and application of easy wash-off reactive dyes

COLORATION TECHNOLOGY, 122(1), 27–36.

Evaluation of new 2,2 '-dimethyl-5,5 '-dipropoxybenzidine- and 3,3 '-dipropoxybenzidine-based direct dye analogs for mutagenic activity by use of the Salmonella/mammalian mutagenicity assay

MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS, 603(2), 173–185.

Fiber reactive dyes

Colourage Annual, 53(4), 85–101.

High affinity, high efficiency fibre-reactive dyes

COLORATION TECHNOLOGY, 122(4), 187–193.

Influences of new azo dyes to the aquatic ecosystem

FIBERS AND POLYMERS, 7(1), 30–35.

Mass spectrometric analysis of sulphonated dyes based on diaminobiphenyls

COLORATION TECHNOLOGY, 122(1), 22–26.

Use of gamma-cyclodextrin/epichlorohydrin polymer in merging fabric formation and coloration processes

COLORATION TECHNOLOGY, 122(6), 345–349.

Characterizing of model direct dyes interactions with cotton cellulose via 1D and 2D Raman spectroscopy

CELLULOSE, 12(5), 497–506.

Evaluation of new direct dyes for mutagenicity using the Salmonella mammalian mutagenicity assay

FIBERS AND POLYMERS, 6(4), 297–305.

Evaluation of new metallized direct dyes for mutagenicity using the Salmonella mammalian mutagenicity assay

FIBERS AND POLYMERS, 6(3), 235–243.

Mutagenicity evaluation of the commercial product CI Disperse Blue 291 using different protocols of the Salmonella assay

FOOD AND CHEMICAL TOXICOLOGY, 43(1), 49–56.

Synthetic dyes based on environmental considerations. Part 3: Aquatic toxicity of iron-complexed azo dyes

Coloration Technology, 121(5), 265–270.

Synthetic dyes based on environmental considerations. Part 4: Aquatic toxicity of iron-complexed formazan dyes

Coloration Technology, 121(5), 271–274.

The contribution of azo dyes to the mutagenic activity of the Cristais River

CHEMOSPHERE, 60(1), 55–64.

Water and wastewater analysis

In Chemical testing of textiles (pp. 242–269).

Color yes, toxicity no: Systematic approaches to meeting this challenge

AATCC Review, 4(12), 16–21.

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

Colorchem '04: proceedings : 23-27 May 2004, Hotel Harmony, S?pindleru?v Mly?n, Czech Republic. Pardubice: Vy?zkumny? u?stav organicky?ch synte?z.

Developing azo and formazan dyes based on environmental considerations: Salmonella mutagenicity

MUTATION RESEARCH-FUNDAMENTAL AND MOLECULAR MECHANISMS OF MUTAGENESIS, 546(1-2), 17–28.

Dyes from enzyme-mediated oxidation of aromatic amines

TEXTILE RESEARCH JOURNAL, 74(3), 215–222.

Metal-complexed dyes

Review of Progress in Coloration and Related Topics, 34, 39–57.

Non-mutagenic organic pigment intermediates. II. Isomorphous 2,2 '-dichloro-5,5 '-dipropoxybenzidine and 2,2 '-dimethyl-5,5 '-dipropoxybenzidine

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY, 60(8), O569–O571.

Studies toward a universal dye for textile fibres

Coloration Technology, 120(5), 220–225.

Studies towards lightfast automotive dyes for polyester

Journal of Textile and Apparel Technology and Management, 3(4), 14.

Syntheses, mutagenicity and applied performance of 2,8-diamino-10-methoxy-5,10-dihydrophenophosphazine 10-oxide

Acta Chimica Sinica, 62(10), 986–991.

Assessing secondary structure of a dyed wool fibre by means of FTIR and FTR spectroscopies

Pielesz, A., Freeman, H. S., Weselucha-Birczynska, A., Wysocki, M., & Wlochowicz, A. (2003, June 1). JOURNAL OF MOLECULAR STRUCTURE, Vol. 651, pp. 405–418.

Characterisation of direct dye interactions with cotton via IR and Raman spectroscopies

Advances in Colour Science and Technology, 6(4), 111–115.

Dye application, manufacture of dye intermediates and dyes

In Riegel's handbook of industrial chemistry (10th ed.). New York: Kluwer Academic/Plenum Publishers.

Metallization of non-genotoxic direct dyes

DYES AND PIGMENTS, 57(2), 121–129.

Non-mutagenic organic pigment intermediates. I. 3,3 '-Dipropoxybenzidine

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 59(2), O71–O73.

Studies on the synthesis and mutagenicity of 2,8-diamino-10- hydroxy-5-methyl-5,10-dihydrophenophosphazine-10-oxide

Chemical Journal of Chinese Universities, 24(7), 1210–1215.

Synthesis, properties and application of four new 1: 2 aluminium-complexed azo dyes

Coloration Technology, 119(1), 41–47.

Copper salts in the post-metallization of non-genotoxic direct dyes

FIBERS AND POLYMERS, 3(4), 147–152.

Synthesis and evaluation of non-genotoxic direct dyes

FIBERS AND POLYMERS, 3(4), 140–146.

Trisazo direct black dyes based on nonmutagenic 3,3 '-disubstituted benzidines

DYES AND PIGMENTS, 53(2), 109–117.