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Works (208)
2025 article
Lignocellulose‐based Stryphnodendron adstringens bark as a natural dye source for textiles: Extraction and dyeing studies
Santos Silva, P. M., Freeman, H. S., Costa, S. A., Silva Santos, D., Lima, F. S., Queiroz, R. S., … Costa, S. M. (2025, February 20). Coloration Technology.
2024 article
Natural indigo toxicity for aquatic and terrestrial organisms
Farias, N. O., Pires, M. S. G., Jesus Moreira, B., Santos, A., Freeman, H. S., Toukola, P., … Aragão Umbuzeiro, G. (2024, December 28). Ecotoxicology and Environmental Safety.
open access via doi.org (publisher)2024 article
The natural anthraquinone dye emodin: Eco/genotoxicological characterization for aquatic organisms
Farias, N. O., Rodrigues, A. R., Botelho, M. T., Magalhães, G. R., Räisänen, R., Freeman, H. S., & Aragão Umbuzeiro, G. (2024, May 19). Food and Chemical Toxicology.
2023 article
Acryloyl esters of emodin for waterless dyeing and toxicological studies
Magalhães, G. R., Militão, G. F. G., Farias, N. O., Albuquerque, A. F., Botelho, M. T., Räisänen, R., … Aragão Umbuzeiro, G. (2023, September 28). Coloration Technology.
2022 article
Evaluation of the Toxicological and Color Properties of Anionic Hydrophobic Monoazo Dyes for Sustainable Human Hair Coloration
Williams, T. N., Vacchi, F. I., Santos, A., Szymczyk, M., Aragão Umbuzeiro, G., & Freeman, H. S. (2022, February 17). ACS Sustainable Chemistry & Engineering, Vol. 2.
2022 article
Pomegranate peel extract and zinc oxide as a source of natural dye and functional material for textile fibers aiming for photoprotective properties
Otaviano, B. T. H., Sannomiya, M., Lima, F. S., Tangerina, M. M. P., Tamayose, C. I., Ferreira, M. J. P., … Costa, S. M. (2022, September 16). Materials Chemistry and Physics.
2022 article
S-32-01 Mutagenicity of dyes: a call to fill the knowledge gaps and improve our predictive ability
Umbuzeiro, G. A., Freeman, H. S., & Räisänen, R. (2022, September 1). Toxicology Letters.
2022 article
Waterless Dyeing and In Vitro Toxicological Properties of Biocolorants from Cortinarius sanguineus
Herrala, M., Yli-Öyrä, J., Albuquerque, A. F., Farias, N. O., Morales, D. A., Räisänen, R., … Rysä, J. (2022, October 26). Journal of Fungi.
2021 article
Copaifera langsdorffii Desf. bark extract: optimisation of dyeing conditions to wool and colour fastness properties
Santos Silva, P. M., França, V. H., Queiroz, R. S., Lima, F. S., Freeman, H. S., Costa, S. A., & Costa, S. M. (2021, January 19). Natural Product Research.
2021 article
A fungal‐based anthraquinone emodin for polylactide and polyethylene terephthalate in supercritical carbon dioxide (SC‐CO2) dyeing
Räisänen, R., Montero, G. A., & Freeman, H. S. (2021, February 2). Color Research & Application.
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.
2021 article
Isomeric tetrazole-based organic dyes for dye-sensitized solar cells: Structure-property relationships
Silva, L., Sánchez, M., Ibarra-Rodriguez, M., & Freeman, H. S. (2021, October 18). Journal of Molecular Structure.
2021 article
Metal-complexed monoazo dyes as sustainable permanent hair dye alternatives—Toxicological and durability properties
Williams, T. N., Vacchi, F. I., Santos, A., Aragão Umbuzeiro, G., & Freeman, H. S. (2021, September 20). Dyes and Pigments, Vol. 197, p. 109819.
2021 article
Molecular and excited state properties of photostable anthraquinone red and violet dyes for hydrophobic fibers
Ding, Y., Szymczyk, M., Mehraban, N., Lim, J., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2021, August 28). Journal of Molecular Structure.
2021 article
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.
2021 article
Reuse of water from real reactive monochromic and trichromic wastewater for new cotton dyes after efficient treatment using H2O2 catalyzed by UV light
Bezerra, K. C. H., Fiaschitello, T. R., Labuto, G., Freeman, H. S., Fragoso, W. D., Costa, S. M., & Costa, S. A. (2021, May 25). Journal of Environmental Chemical Engineering.
2020 article
A promising Ames battery for mutagenicity characterization of new dyes
Umbuzeiro, G. A., Morales, D. A., Vacchi, F. I., Albuquerque, A. F., Szymczyk, M., Sui, X., … Freeman, H. S. (2020, November 30). Environmental and Molecular Mutagenesis.
Contributors: G. Umbuzeiro n, D. Morales *, F. Vacchi *, A. Albuquerque *, M. Szymczyk n, X. Sui n , N. Vinueza n , n
2020 article
Characterization of the photophysics of a mixed system of red disperse dyes using experimental and theoretical methods
Kim, B. H., Danilov, E., Yoon, S. J., El-Shafei, A., & Freeman, H. (2020, August 1). Dyes and Pigments, Vol. 184.
Contributors: B. Kim n, E. Danilov n , S. Yoon *, A. El-Shafei n & n
2020 article
Molecular and excited state properties of photostable yellow disperse dyes
Ding, Y., Szymczyk, M., Mehraban, N., Lim, J., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2020, January 31). Journal of Molecular Structure, Vol. 1207.
Contributors: Y. Ding *, M. Szymczyk n, N. Mehraban n, J. Lim *, L. Parrillo-Chapman n, A. El-Shafei n , n
2020 article
New tetrazole based dyes as efficient co-sensitizers for dsscs: Structure-properties relationship
Silva, L., Sánchez, M., & Freeman, H. S. (2020, September 22). Organic Electronics.
2020 article
Toward closed loop recycling of polyester fabric: Step 1. decolorization using sodium formaldehyde sulfoxylate
Fei, X., Freeman, H. S., & Hinks, D. (2020, January 9). Journal of Cleaner Production.
2020 article
X‐ray photoelectron spectroscopy study on the photodegradation of copolyester model compounds
Arangdad, K., Yildirim, E., Detwiler, A., Cleven, C. D., Burk, C., Shamey, R., … El‐Shafei, A. (2020, July 27). Journal of Applied Polymer Science, Vol. 138.
Contributors: K. Arangdad n, E. Yildirim n, A. Detwiler*, C. Cleven*, C. Burk*, R. Shamey n , M. Pasquinelli n , n, A. El-Shafei n
2019 article
Analysis of keratin films as screening tools for predicting the efficacy of potential hair dyes
Williams, T. N., & Freeman, H. S. (2019, June 12). Coloration Technology, Vol. 135, pp. 253–266.
2019 article
Approach to Waterless Dyeing of Textile Substrates—Use of Atmospheric Plasma
Zaidy, S. S. H., Vacchi, F. I., Umbuzeiro, G. A., & Freeman, H. S. (2019, September 12). Industrial & Engineering Chemistry Research.
2019 article
Influence of UV stabilizers on the weathering of PETG and PCTT films
Arangdad, K., Yildirim, E., Detwiler, A., Cleven, C. D., Burk, C., Shamey, R., … El‐Shafei, A. (2019, July 17). Journal of Applied Polymer Science, Vol. 7, p. 48198.
Contributors: K. Arangdad n, E. Yildirim n, A. Detwiler*, C. Cleven*, C. Burk*, R. Shamey n , M. Pasquinelli n , n, A. El-Shafei n
2019 article
Natural dye from Croton urucurana Baill. bark: Extraction, physicochemical characterization, textile dyeing and color fastness properties
Santos Silva, P. M., Fiaschitello, T. R., Queiroz, R. S., Freeman, H. S., Costa, S. A., Leo, P., … Costa, S. M. (2019, October 5). Dyes and Pigments.
2019 article
Synthesis and Encapsulation of a New Zinc Phthalocyanine Photosensitizer into Polymeric Nanoparticles to Enhance Cell Uptake and Phototoxicity
Mehraban, N., Musich, P. R., & Freeman, H. S. (2019, January 24). Applied Sciences.
2019 article
Towards a reliable prediction of the aquatic toxicity of dyes
A. Umbuzeiro Gisela, Albuquerque, A. F., Vacchi, F. I., Szymczyk, M., Sui, X., Aalizadeh, R., … Freeman, H. S. (2019, October 8). Environmental Sciences Europe, Vol. 31.
Contributors: G. Umbuzeiro n, A. Albuquerque *, F. Vacchi *, M. Szymczyk n, X. Sui n , R. Aalizadeh *, P. Ohe, N. Thomaidis *, N. Vinueza n , n
2019 article
Variation in hydrophobic chain length of co-adsorbents to improve dye-sensitized solar cell performance
Silva, L., & Freeman, H. (2019, January 1). Physical Chemistry Chemical Physics.
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, October 9). Data in Brief, Vol. 21, pp. 675–683.
Contributors: J. Lim n, M. Szymczyk n, N. Mehraban n, Y. Ding n, L. Parrillo-Chapman n, A. El-Shafei n , n
2018 journal article
Dimerised heterobifunctional reactive dyes. Part 1: characterisation using quadrupole time-of-flight mass spectrometry
Coloration Technology, 134(6), 470–477.
2018 article
Molecular and excited state properties of isomeric scarlet disperse dyes
Lim, J., Szymczyk, M., Mehraban, N., Ding, Y., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2018, February 9). Journal of Molecular Structure.
Contributors: J. Lim n, M. Szymczyk n, N. Mehraban n, Y. Ding n, L. Parrillo-Chapman n, A. El-Shafei n , n
2018 journal article
Molecular and excited state properties of photostable anthraquinone blue dyes for hydrophobic fibers
Journal of Molecular Structure, 1181, 109–117.
Contributors: Y. Ding n, N. Mehraban n, M. Szymczyk n, L. Parrillo-Chapman n, A. El-Shafei n & n
2018 article
Pretreatment effects on pigment‐based textile inkjet printing – colour gamut and crockfastness properties
Ding, Y., Shamey, R., Chapman, L. P., & Freeman, H. S. (2018, October 22). Coloration Technology, Vol. 135, pp. 77–86.
2018 article
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
Williams, T. N., Driessche, G. A. V. D., Valery, A. R. B., Fourches, D., & Freeman, H. S. (2018, September 26). ACS Sustainable Chemistry & Engineering, Vol. 6, pp. 14248–14256.
2017 article
A study of the effects of fabric pretreatment on color gamut from inkjet printing on polyester
Ding, Y., Parrillo-Chapman, L., & Freeman, H. S. (2017, December 13). Journal of the Textile Institute.
2017 article
Color Gamut Analysis and Color Fastness Evaluation for Textile Inkjet Printing Application on Polyester
Ding, Y., Freeman, H. S., & Parrillo-Chapman, L. (2017, April 13). Journal of Imaging Science and Technology.
2017 article
Developing the methodology of colour gamut analysis and print quality evaluation for textile ink‐jet printing: Delphi method
Ding, Y., Parrillo‐Chapman, L., & Freeman, H. S. (2017, November 7). Coloration Technology.
2017 article
Mordant dye application on cotton: optimisation and combination with natural dyes
Ding, Y., & Freeman, H. S. (2017, June 13). Coloration Technology.
2017 article
Toward the Rational Design of Sustainable Hair Dyes Using Cheminformatics Approaches: Step 1. Database Development and Analysis
Williams, T. N., Kuenemann, M. A., Driessche, G. A. V. D., Williams, A. J., Fourches, D., & Freeman, H. S. (2017, December 22). ACS Sustainable Chemistry & Engineering, Vol. 6, pp. 2344–2352.
2017 article
Weaver's historic accessible collection of synthetic dyes: a cheminformatics analysis
Kuenemann, M. A., Szymczyk, M., Chen, Y., Sultana, N., Hinks, D., Freeman, H. S., … Vinueza, N. R. (2017, January 1). Chemical Science, Vol. 8, pp. 4334–4339.
2016 article
Waste from eucalyptus wood steaming as a natural dye source for textile fibers
Rossi, T., Silva, P. M. S., Moura, L. F. D., Araújo, M. C., Brito, J. O., & Freeman, H. S. (2016, December 22). Journal of Cleaner Production.
2015 article
Characterization of non-genotoxic diarylides using experimental and molecular orbital methods
El-Shafei, A., Hinks, D., Boyle, P. D., & Freeman, H. S. (2015, May 6). Dyes and Pigments, Vol. 121, pp. 128–137.
Contributors: A. El-Shafei n , D. Hinks n, P. Boyle * & n
2015 article
Developments in PDT Sensitizers for Increased Selectivity and Singlet Oxygen Production
Mehraban, N., & Freeman, H. (2015, July 20). Materials.
2015 article
One-Step Pad Dyeing and DP Finishing of Cotton: Part 1. Reactive Dyes with DMDHEU
Li, S., Freeman, H. S., Boyter, H., & Qian, L. (2015, May 1). AATCC Journal of Research.
2015 article
One-Step Pad Dyeing and DP Finishing of Cotton: Part 2. Mechanism of Dye Fixation Using DMDHEU
Li, S., Freeman, H. S., & Boyter, H. (2015, May 1). AATCC Journal of Research.
2015 article
Potential of a bacterial consortium to degrade azo dye Disperse Red 1 in a pilot scale anaerobic–aerobic reactor
Franciscon, E., Mendonça, D., Seber, S., Morales, D. A., Zocolo, G. J., Zanoni, M. V. B., … Umbuzeiro, G. A. (2015, February 9). Process Biochemistry.
2015 article
Synthesis and X-ray analysis of a perfluoroalkyl-substituted azobenzene dye
He, L., Freeman, H. S., Nakpathom, M., & Boyle, P. D. (2015, April 21). Dyes and Pigments.
2013 article
Characterization of metabolites of genotoxic 4,4′-aminoalkoxyazobenzene dyes
Freeman, H. S., Jeong, E., & Claxton, L. D. (2013, June 15). Dyes and Pigments.
2013 article
Design, Synthesis, and Pharmacological Screening of Novel Porphyrin Derivatives
Fadda, A. A., El-Mekawy, R. E., El-Shafei, A., Freeman, H. S., Hinks, D., & El-Fedawy, M. (2013, January 1). Journal of Chemistry.
Contributors: A. Fadda *, R. El-Mekawy *, A. El-Shafei n , n, D. Hinks n & M. El-Fedawy*
2013 article
Dye Sensitizers for Photodynamic Therapy
Ormond, A., & Freeman, H. (2013, March 6). Materials.
2012 article
Aromatic amines: use in azo dye chemistry
Freeman, H. (2012, December 31). Frontiers in Bioscience.
2012 article
Chlorine disinfection of dye wastewater: Implications for a commercial azo dye mixture
Vacchi, F. I., Albuquerque, A. F., Vendemiatti, J. A., Morales, D. A., Ormond, A. B., Freeman, H. S., … Umbuzeiro, G. (2012, November 22). The Science of The Total Environment.
2012 article
Effects of bis-carbazole based D—π-A sensitizers on solar energy capture in DSSCs
Kim, B. H., & Freeman, H. S. (2012, November 13). Photochemical & Photobiological Sciences.
2012 article
Effects of substituents on the photophysical properties of symmetrical porphyrins
Ormond, A. B., & Freeman, H. S. (2012, September 25). Dyes and Pigments.
2012 article
New N-methyl pyrrole and thiophene based D–π–A systems for dye-sensitized solar cells
Kim, B. H., & Freeman, H. S. (2012, September 12). Dyes and Pigments.
2012 article
Novel yellow azo–anthraquinone dyes for polylactide fibres: effects of alkyl chain length
Lu, L., He, L., Zhang, S., & Freeman, H. S. (2012, January 23). Coloration Technology.
2012 article
Structure–photovoltaic performance relationships for DSSC sensitizers having heterocyclic and benzene spacers
Kim, B. H., & Freeman, H. S. (2012, January 1). Journal of Materials Chemistry.
2012 article
Synthesis and Pharmacological Screening of Novel meso‐Substituted Porphyrin Analogs
Fadda, A. A., El‐Mekawy, R. E., El‐Shafei, A. I., & Freeman, H. (2012, November 22). Archiv Der Pharmazie, Vol. 346, pp. 53–61.
Contributors: A. Fadda *, R. El-Mekawy *, A. El-Shafei n & n
2011 article
Spectroscopic study of anthraquinone dye/amphiphile systems in binary aqueous/organic solvent mixtures
He, L., Freeman, H. S., Lu, L., & Zhang, S. (2011, May 26). Dyes and Pigments.
2010 article
Palladium nanoparticle microemulsions: Formation and use in catalytic hydrogenation of o-chloronitrobenzene
Liang, C., Han, J., Shen, K., Wang, L., Zhao, D., & Freeman, H. S. (2010, October 18). Chemical Engineering Journal.
2010 article
Studies involving reactive dyes containing a benzophenone ultraviolet absorber
He, L., Gong, G., Freeman, H. S., Jian, W., Chen, M., & Zhao, D. (2010, December 15). Coloration Technology.
2010 article
Synthesis and application of yellow azo‐anthraquinone disperse dyes for polylactide fibres
He, L., Lu, L., Zhang, S., & Freeman, H. S. (2010, March 25). Coloration Technology.
2010 article
Synthesis and characterization of selected 4,4′-diaminoalkoxyazobenzenes
Jeong, E., Freeman, H. S., & Claxton, L. D. (2010, March 12). Dyes and Pigments.
2009 article
X-ray and molecular modelling studies of 4-[N-alkylamino]azobenzene dyes
He, L., El-Shafei, A., Freeman, H. S., & Boyle, P. (2009, February 1). Dyes and Pigments, Vol. 82, pp. 299–306.
Contributors: L. He n, A. El-Shafei n , n & P. Boyle n
2008 article
Hydrogenation of o-chloronitrobenzene on a Pd/C catalyst doped with metal oxide nanoparticles
Zhang, G., Wang, L., Shen, K., Zhao, D., & Freeman, H. S. (2008, April 17). Chemical Engineering Journal.
2008 article
Monoazo dyes based on 5,10-dihydrophenophosphazine, Part 2: Azo acid dyes
ZHIGANG, Y., CHUNXIA, Z., DEFENG, Z., FREEMAN, H., PEITONG, C., & JIE, H. (2008, October 15). Dyes and Pigments.
2008 article
Photostability of isotactic polypropylene containing monoazo pigment
Ahmadi, Z., Kish, M. H., Freeman, H., Kotek, R., & Katbab, A. A. (2008, February 27). Journal of Applied Polymer Science.
2007 journal article
Dyes for polyester: disperse dyes
Chimica Oggi, 25(4), 38–41.
2007 article
Hydrolyzed reactive dyes. Part 1: Analyses via fast atom bombardment and electrospray mass spectrometry
Nayar, S. B., & Freeman, H. S. (2007, July 23). Dyes and Pigments.
2007 journal article
Photo-stability of pigmented isotactic polypropylene
Journal of Applied Polymer Science, 104.
2007 article
Synthesis and mutagenic properties of 4,4′‐diamino‐p‐terphenyl and 4,4′‐diamino‐p‐quaterphenyl
Wang, J., Freeman, H. S., & Claxton, L. D. (2007, January 12). Coloration Technology.
2007 article
Synthesis and mutagenic properties of direct dyes from 4,4′‐diamino‐p‐terphenyl and 4,4′‐diamino‐p‐quaterphenyl
Wang, J., Freeman, H. S., & Claxton, L. D. (2007, January 12). Coloration Technology.
2006 article
Design, synthesis and application of easy wash‐off reactive dyes
Suwanruji, P., & Freeman, H. S. (2006, February 1). Coloration Technology.
2006 article
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
Bae, J.-S., Freeman, H. S., Warren, S. H., & Claxton, L. D. (2006, January 19). Mutation Research/Genetic Toxicology and Environmental Mutagenesis.
2006 journal article
Fiber reactive dyes
Colourage Annual, 53(4), 85–101.
2006 article
High affinity, high efficiency fibre‐reactive dyes
Smith, B., Berger, R., & Freeman, H. S. (2006, July 18). Coloration Technology.
2006 article
Influences of new azo dyes to the aquatic ecosystem
Bae, J.-S., Freeman, H. S., & Kim, S. D. (2006, March 1). Fibers and Polymers.
2006 article
Mass spectrometric analysis of sulphonated dyes based on diaminobiphenyls
Volná, K., Holčapek, M., Suwanruji, P., & Freeman, H. S. (2006, February 1). Coloration Technology.
2006 article
Synthesis and properties of disperse dyes containing a built-in triazine stabilizer
Sun, Y., Zhao, D., & Freeman, H. S. (2006, July 4). Dyes and Pigments.
2006 article
Use of γ‐cyclodextrin/epichlorohydrin polymer in merging fabric formation and coloration processes
Jenkins, D. W., El‐Tahlawy, K., El‐Shafei, A., Freeman, H. S., & Hudson, S. M. (2006, November 16). Coloration Technology, Vol. 122, pp. 345–349.
Contributors: D. Jenkins n, K. El-Tahlawy n, A. El-Shafei n , n & S. Hudson n
2005 article
Aquatic toxicity evaluation of copper-complexed direct dyes to the Daphnia magna
Bae, J.-S., & Freeman, H. S. (2005, December 28). Dyes and Pigments.
2005 article
Aquatic toxicity evaluation of new direct dyes to the Daphnia magna
Bae, J.-S., & Freeman, H. S. (2005, December 16). Dyes and Pigments.
2005 article
Characterizing of Model Direct Dyes Interactions with Cotton Cellulose Via 1D and 2D Raman Spectroscopy
Pielesz, A., Wesełucha-Birczyńska, A., Freeman, H. S., & Włochowicz, A. (2005, October 1). Cellulose.
2005 journal article
Design, synthesis, and characterization of new iron-complexed azo dyes
Dyes and Pigments, 72(1), 8–15.
Contributors: M. Szymczyk n, A. El-Shafei n & n
2005 article
Evaluation of new direct dyes for mutagenicity using the salmonella mammalian mutagenicity assay
Bae, J.-S., & Freeman, H. S. (2005, December 1). Fibers and Polymers.
2005 article
Evaluation of new metallized direct dyes for mutagenicity using the Salmonella mammalian mutagenicity assay
Bae, J.-S., & Freeman, H. S. (2005, September 1). Fibers and Polymers.
2005 article
Synthetic dyes based on environmental considerations. Part 3: Aquatic toxicity of iron‐complexed azo dyes
Edwards, L. C., & Freeman, H. S. (2005, September 1). Coloration Technology.
2005 article
Synthetic dyes based on environmental considerations. Part 4: Aquatic toxicity of iron‐complexed formazan dyes
Edwards, L. C., & Freeman, H. S. (2005, September 1). Coloration Technology.
2005 article
The contribution of azo dyes to the mutagenic activity of the Cristais River
Aragão Umbuzeiro, G., Freeman, H. S., Warren, S. H., Oliveira, D. P., Terao, Y., Watanabe, T., & Claxton, L. D. (2005, February 1). Chemosphere.
2005 article
Water and wastewater analysis
Smith, C. B., & Freeman, H. S. (2005, January 1). Elsevier EBooks.
Ed(s):
2004 journal article
Color yes, toxicity no: Systematic approaches to meeting this challenge
AATCC Review, 4(12), 16–21.
2004 conference paper
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.
2004 article
Dyes from Enzyme-Mediated Oxidation of Aromatic Amines
Shaw, S. D., & Freeman, H. S. (2004, March 1). Textile Research Journal.
2004 article
Metal–complexed dyes
Szymczyk, M., & Freeman, H. S. (2004, June 1). Review of Progress in Coloration and Related Topics.
2004 article
Mutagenicity evaluation of the commercial product CI Disperse Blue 291 using different protocols of the Salmonella assay
Aragão Umbuzeiro, G., Freeman, H., Warren, S. H., Kummrow, F., & Claxton, L. D. (2004, October 7). Food and Chemical Toxicology.
2004 article
Non-mutagenic organic pigment intermediates. II. Isomorphous 2,2′-dichloro-5,5′-dipropoxybenzidine and 2,2′-dimethyl-5,5′-dipropoxybenzidine
El-Shafei, A., Hinks, D., Boyle, P. D., & Freeman, H. S. (2004, July 21). Acta Crystallographica Section C Crystal Structure Communications, Vol. 60.
Contributors: A. El-Shafei n , D. Hinks n, P. Boyle n & n
2004 article
Studies toward a universal dye for textile fibres
Suwanruji, P., Freeman, H. S., & Zhao, D. (2004, September 1). Coloration Technology.
2004 journal article
Studies towards lightfast automotive dyes for polyester
Journal of Textile and Apparel Technology and Management, 3(4), 14.
2004 journal article
Syntheses, mutagenicity and applied performance of 2,8-diamino-10-methoxy-5,10-dihydrophenophosphazine 10-oxide
Acta Chimica Sinica, 62(10), 986–991.
2003 article
Assessing secondary structure of a dyed wool fibre by means of FTIR and FTR spectroscopies
Pielesz, A., Freeman, H. S., Wesełucha-Birczyńska, A., Wysocki, M., & Włochowicz, A. (2003, May 13). Journal of Molecular Structure.
2003 journal article
Characterisation of direct dye interactions with cotton via IR and Raman spectroscopies
Advances in Colour Science and Technology, 6(4), 111–115.
2003 article
Developing azo and formazan dyes based on environmental considerations: Salmonella mutagenicity
Edwards, L. C., Freeman, H. S., & Claxton, L. D. (2003, December 10). Mutation Research. Fundamental and Molecular Mechanisms of Mutagenesis.
2003 chapter
Dye application, manufacture of dye intermediates and dyes
In Riegel's handbook of industrial chemistry (10th ed.). New York: Kluwer Academic/Plenum Publishers.
Ed(s):
2003 article
Metallization of non-genotoxic direct dyes
Bae, J.-S., Freeman, H. S., & El-Shafei, A. (2003, April 23). Dyes and Pigments, Vol. 57, pp. 121–129.
Contributors: J. Bae n, n & A. El-Shafei n
2003 article
Non-mutagenic organic pigment intermediates. I. 3,3′-Dipropoxybenzidine
El-Shafei, A., Boyle, P. D., Hinks, D., & Freeman, H. S. (2003, January 25). Acta Crystallographica Section C Crystal Structure Communications, Vol. 59.
Contributors: A. El-Shafei n , P. Boyle n, D. Hinks n & n
2003 journal article
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.
2003 article
Synthesis, properties and application of four new 1;2 aluminium‐complexed azo dyes
Hooker, J., Hinks, D., & Freeman, H. (2003, January 1). Coloration Technology.
2002 article
Copper salts in the post-metallization of non-genotoxic direct dyes
Bae, J.-S., & Freeman, H. S. (2002, December 1). Fibers and Polymers.
2002 article
Synthesis and evaluation of non-genotoxic direct dyes
Bae, J.-S., & Freeman, H. S. (2002, December 1). Fibers and Polymers.
2002 article
Trisazo Direct Black dyes based on nonmutagenic 3,3′-disubstituted benzidines
Gong, G., Gao, X., Wang, J., Zhao, D., & Freeman, H. S. (2002, May 1). Dyes and Pigments.
2001 journal article
Direct dyes from non-genotoxic diamines
AATCC Review, 1(9), 67.
2001 journal article
Direct dyes from nongenotoxic diamines
AATCC Review, 1(9), 67–70.
2001 journal article
Semi-empirical molecular orbital methods in the design of organic colorants
AATCC Review, 1(12), 23–26.
2001 journal article
Semi-empirical molecular orbital methods in the design of organic pigments
AATCC Review, 1(12), 23–26.
2001 article
Synthesis and evaluation of organic pigments.
Sokolowska, J., Hinks, D., & Freeman, H. S. (2001, January 1). Dyes and Pigments.
2001 article
Synthesis and evaluation of organic pigments.
Hinks, D., Freeman, H. S., Arai, Y., & Ando, H. (2001, January 1). Dyes and Pigments.
2001 article
Synthesis and evaluation of organic pigments. 4. New monoarylide and diarylide pigments
Nakpathom, M., Hinks, D., & Freeman, H. S. (2001, February 1). Dyes and Pigments.
2000 article
Colorants for Non-Textile Applications
Freeman, H. S., & Peters, A. T. (2000, January 1). Elsevier EBooks.
2000 article
Dyes based on 5,10-dihydrophenophosphazine. Part 1: disazo direct dyes
Bello, K. A., Shen, K., Zhao, D., Esancy, M., & Freeman, H. (2000, September 1). Dyes and Pigments.
2000 article
Iron-Complexed Dyes: Colorants in Green Chemistry
Freeman, H. S., & Edwards, L. C. (2000, August 15). ACS Symposium Series.
Ed(s):
2000 article
Molecular modeling of Congo Red analogues containing terphenyl and quarterphenyl moieties
Lye, J., Freeman, H. S., & Cox, R. D. (2000, October 1). Dyes and Pigments.
2000 article
Monomethoxy-4-aminoazobenzenes: a computational study
Bhat, K. L., Freeman, H. S., Velga, J., Sztandera, L., Trachtman, M., & Bock, C. W. (2000, August 1). Dyes and Pigments.
2000 journal article
Pollution prevention in the production of dyes and pigments
Textile Chemist and Colorist & American Dyestuff Reporter, 32(1), 56–60.
2000 article
Synthesis and evaluation of organic pigments and intermediates. 1. Nonmutagenic benzidine analogs
Hinks, D., Freeman, H. S., Nakpathom, M., & Sokolowska, J. (2000, February 1). Dyes and Pigments.
1999 journal article
Azo and nitrodiphenylamine photochemistry
Advances in Colour Science and Technology, 2.
1999 article
Developments in dyestuff chemistry
Freeman, H. S., & Sokolowska, J. (1999, June 1). Review of Progress in Coloration and Related Topics.
1999 journal article
Disperse Red 60 analogs
Indian Journal of Fibre & Textile Research, 24(4), 297–302.
1999 article
Disperse dyes containing a built-in oxalanilide stabilizer
Freeman, H. S., Mason, M. E., & Lye, J. (1999, April 1). Dyes and Pigments.
1999 article
Molecular Modeling in Dye Chemistry: Studies Involving Two Disperse Dyes
Lye, J., Freeman, H. S., & Hinks, D. (1999, August 1). Textile Research Journal.
1999 patent
Organic pigments from twisted benzidines
Washington, DC: U.S. Patent and Trademark Office.
1999 article
X-ray crystal structure of C.I. Disperse Yellow 86
Lye, J., Freeman, H. S., Mason, M. E., & Singh, P. (1999, April 1). Dyes and Pigments.
1998 chapter
Dyes and pigments, environmental chemistry
In Encyclopedia of environmental analysis and remediation. New York: Wiley.
Ed(s):
1998 article
Field desorption mass spectral analysis of some nonmutagenic benzidine-based pigments
Sokolowska-Gajda, J., Hinks, D., Haney, C. A., Freeman, H. S., & Tanaka, M. (1998, October 1). Dyes and Pigments.
1998 article
Iron Salts in the Post-Metallization of Mordant Dyes
Bardole, H. A., Freeman, H. S., & Reife, A. (1998, February 1). Textile Research Journal.
1997 chapter
Computational chemistry applied to synthetic dyes
In Computational chemistry and chemical engineering: proceedings of the Third UNAM-CRAY Supercomputing Conference: Universidad Nacional Auto?noma de Me?xico, 13-16 August 1996. River Edge, NJ: World Scientific.
Ed(s):
1997 patent
Iron-complexed formazan dyes for polyamide and protein substrates
Washington, DC: U.S. Patent and Trademark Office.
1997 journal article
Iron: Producing more than rust in our environment
Chemtech, 27(10), 17–25.
1997 article
X-ray crystal structure of disazo dyes. Part 1: C.I. Disperse Orange 29
Freeman, H. S., McIntosh, S. A., & Singh, P. (1997, September 1). Dyes and Pigments.
1997 article
X-ray crystal structure of disazo dyes. Part 2: Derivatives of C.I. Disperse Yellow 23 and C.I. Disperse Orange 29
Freeman, H. S., McIntosh, S. A., & Singh, P. (1997, October 1). Dyes and Pigments.
1996 chapter
Carbon adsorption
In A. Reife & H. S. Freeman (Eds.), Environmental chemistry of dyes and pigments (pp. 3–31). New York: Wiley.
Ed(s): . A. Reife &
1996 chapter
Chemical removal of phosphate ions from disperse dye filtrates
In A. Reife & H. S. Freeman (Eds.), Environmental chemistry of dyes and pigments (pp. 239–251). New York: Wiley.
Ed(s): . A. Reife &
1996 book
Environmental chemistry of dyes and pigments
(p. 329). New York: Wiley.
1996 article
Genotoxicity of azo dyes: Bases and implications
Freeman, H. S., Hinks, D., & Esancy, J. (1996, January 1).
Ed(s):
1996 article
Physico-Chemical Principles of Color Chemistry
Peters, A. T., & Freeman, H. S. (1996, January 1).
1996 article
Synthetic dyes based on environmental considerations. Part 2: Iron complexes formazan dyes
Sokolowska-Gajda, J., Freeman, H. S., & Reife, A. (1996, January 1). Dyes and Pigments.
1995 conference paper
A new look at iron complexed dyes
Book of papers: 1995 International Conference & Exhibition, October 8-11, Atlanta, Ga, 397–405. Research Triangle Park, N.C.: American Association of Textile Chemists and Colorists.
1995 chapter
Computer-aided dyestuff design
In Annual international conference and exhibition of AATCC. RTP, NC: American Association of Textile Chemists and Colorists.
1995 journal article
Effect of chemical structure on molecular motion of spin probes doped in nylon 6 film
Journal of the Korean Fiber Society, 32(6), 554.
1995 article
Modern Colorants: Synthesis and Structure
Peters, A. T., & Freeman, H. S. (1995, January 1).
1995 journal article
Synthesizing premetallized acid dyes based on environmental considerations
Textile Chemist and Colorist, 27(2), 13.
1994 patent
Environmentally friendly method for producing lightfast black shades on natural and synthetic substrates
Washington, DC: U.S. Patent and Trademark Office.
1994 article
Irradiation of CI Disperse Yellow 23 and Disperse Orange 29 in an Ester Environment 1
Freeman, H. S., & Mcintosh, S. A. (1994, June 1). Textile Research Journal.
1994 article
Synthetic Dyes Based on Environmental Considerations
Sokolowska-Gajda, J., Freeman, H. S., & Reife, A. (1994, July 1). Textile Research Journal.
1993 patent
Anti-hypertensive sulfonanilides
Washington, DC: U.S. Patent and Trademark Office.
1993 article
Determination of aromatic amines originating from azo dyes by chemical reduction combined with liquid chromatography/mass spectrometry
Voyksner, R. D., Straub, R., Keever, J. T., Freeman, H. S., & Hsu, W.-N. (1993, August 1). Environmental Science & Technology.
1993 conference paper
Premetallized acid dyes based on environmental considerations
Book of Papers, American Association of Textile Chemists and Colorists. International Conference & Exhibition, 254–259.
1992 article
A new medium for the diazotization of 2-amino-6-nitrobenzothiazole and 2-aminobenzothiazole
Sokolowska-Gajda, J. (1992, January 1). Dyes and Pigments.
1992 article
An approach to the design of lightfast disperse dyes-analogs of disperse yellow 42
Freeman, H. S., & Posey, J. C. (1992, January 1). Dyes and Pigments.
1992 article
Analogs of disperse red 167 containing a built-in photostabiliser moiety
Freeman, H. S., & Posey, J. C. (1992, January 1). Dyes and Pigments.
1992 journal article
Evaluation of factors contributing to the light-induced yellowing of white-washed denim. part I: Identification of extractable organics and metal ions
Textile Chemist and Colorist, 24(9), 66.
1992 journal article
Evaluation of factors contributing to the light-induced yellowing of white-washed denim. part II: Effects of various treatments on metal content and photo-yellowing
Textile Chemist and Colorist, 24(10), 21.
1992 article
X-ray crystal structure of disperse red 167
Freeman, H. S., Posey, J. C., & Singh, P. (1992, January 1). Dyes and Pigments.
1991 chapter
An approach to the design and synthesis of non-mutagenic dyes: Analogs of the mutagen 4-amino-3-methoxyazobenzene - the design and synthesis of organic dyes and pigments
In A.T. Peters & H. S. Freeman (Eds.), Colour chemistry: the design and synthesis of organic dyes and pigments. New York: Elsevier Applied Science.
Ed(s): . A.T. Peters &
1991 article
Arylazo dyes containing a built-in hindered-amine moiety
Freeman, H. S., Kim, S.-D., Gilbert, R. D., & McGregor, R. (1991, January 1). Dyes and Pigments.
1991 journal article
Color, yes; cancer, no
Chemtech, 21(7), 438.
1991 book
Colour chemistry: The design and synthesis of organic dyes and pigments
New York: Elsevier Applied Science.
1991 conference paper
Design and synthesis of lightfast disperse dyes
Book of papers: 1991 international Conference & Exhibition, October 8-11, Radisson Plaza Hotel, Charlotte, N.C., 114–121. Research Triangle Park, N.C.: American Association of Textile Chemists and Colorists.
1991 journal article
Matrix selection in the FAB mass spectral analysis of synthetic dyes
Dyes and Pigments, 16(4), 317.
1991 article
X-Ray crystal structure of the dye 4-(N,N-bis-(β-hydroxyethyl) amino) azobenzene
McIntosh, S. A., Freeman, H. S., & Singh, P. (1991, January 1). Dyes and Pigments.
1990 article
An approach to the design of nonmutagenic azo dyes: analogs of the mutagen ci direct black 17
Freeman, H. S., Esancy, J. F., & Claxton, L. D. (1990, January 1). Dyes and Pigments.
1990 article
Characterization of the products derived from the nitration of 1,5-dihydroxyanthraquinone (anthrarufin) and 1,8-dihydroxyanthraquinone (chrysazin)
Ukponmwan, D. O., & Freeman, H. S. (1990, January 1). Dyes and Pigments.
1990 journal article
Fast atom bombardment and desorption chemical ionization mass spectrometry in the analysis of involatile textile dyes
Textile Chemist and Colorist, 22(5), 23.
1990 patent
Method for producing lightfast disperse dyestuffs containing a build-in photostabilizer [molecule] compound
Washington, DC: U.S. Patent and Trademark Office.
1990 article
Photodegradation of CI Acid Orange 60 and CI Acid Green 25 in an Amide Environment
Freeman, H. S., & Sokolowska-Gajda, J. (1990, April 1). Textile Research Journal.
1990 article
Purification procedures for synthetic dyes
Freeman, H. S., Hao, Z., McIntosh, S. A., Posey, J. C., & Hsu, W.-N. (1990, January 1). Dyes and Pigments.
1990 journal article
Some interesting substituent effects in merocyanine dyes
Education in Chemistry, 27(3), 79.
1990 chapter
Structure activity analysis of azo dyes and related compounds
In M. L. Mendelsohn & R. J. Albertini (Eds.), Mutation and the environment: proceedings of the Fifth International Conference on Environmental Mutagens, held in Cleveland, Ohio, July 10-15, 1989 (Pt. B). New York: Wiley-Liss.
Ed(s): . M. L. Mendelsohn & R. Albertini
1990 conference paper
The design of non-mutagenic replacements for some mutagenic dyes and dye intermediates
Book of papers: 1990 international conference & exhibition, October 1-3, Sheraton Boston Hotel, Boston, Mass., 180–188. Research Triangle Park, N.C.: American Association of Textile Chemists and Colorists.
1990 article
The effect of alkoxy substituents on the mutagenicity of some aminoazobenzene dyes and their reductive-cleavage products
Esancy, J. F., Freeman, H. S., & Claxton, L. D. (1990, January 1). Mutation Research/Reviews in Genetic Toxicology.
1990 article
The effect of alkoxy substituents on the mutagenicity of some phenylenediamine-based disazo dyes
Esancy, J. F., Freeman, H. S., & Claxton, L. D. (1990, January 1). Mutation Research/Reviews in Genetic Toxicology.
1990 article
The synthesis of disperse and cationic dyes from acid dye structures
Sokolowska-Gajda, J., & Freeman, H. S. (1990, January 1). Dyes and Pigments.
1989 journal article
13C NMR analysis of some azo and anthraquinone textile dyes
Textile Chemist and Colorist, 21(4), 24.
1989 conference paper
Determination of the photodegradation products of Disperse Orange 29 by GC/MS and HPLC/MS
37th ASMS Conference on Mass Spectrometry and Allied Topics: May 21-26, 1989, Miami Beach, Florida, 1453. Denver, Colo. : ASMS.
1989 article
Determination of the photodegradation products of basic yellow 2 by thermospray high-performance liquid chromatography and gas chromatography/mass spectrometry
Voyksner, R. D., Pack, T. W., Haney, C. A., Freeman, H. S., & Hsu, W.-N. (1989, December 1). Journal of Mass Spectrometry.
1989 article
Photolytic Properties of Ortho-Substituted 4-[N,N-Bis(β- Hydroxyethyl)amino]azobenzenes in Polymer Substrates
Freeman, H. S., & McIntosh, S. A. (1989, June 1). Textile Research Journal.
1989 article
Proton magnetic resonance spectra of some naphthalene derivatives in DMSO-d6
Freeman, H. S., & Hao, Z. (1989, January 1). Dyes and Pigments.
1989 article
The Chromatographic Behavior of some Hydrophilic Dyes and Dye Intermediates on Thin Layers of Strong and Weak Ion Exchangers
Freeman, H. S., Hao, Z., & Hsu, W.-N. (1989, May 1). Journal of Liquid Chromatography.
1989 journal article
The design and synthesis of cellulose-substantive dyes
American Dyestuff Reporter, 78(4), 15.
1989 article
X-Ray Crystal Structure of the Dyes 2-Nitro-4'-[N,N-Bis(β- Hydroxyethyl)amino]azobenzene and 2-Cyano-4'- [N,N-Bis-(β-Hydroxyethyl)amino]azobenzene
Mcintosh, S. A., Freeman, H. S., & Singh, P. (1989, July 1). Textile Research Journal.
1988 article
New phosphonic acid reactive dyes for cotton
Freeman, H. S., Moser, L. S., & Whaley, W. M. (1988, January 1). Dyes and Pigments.
1988 article
Proton magnetic resonance spectra of some naphthalene derivatives
Freeman, H. S., Hsu, W. N., Esancy, J. F., & Esancy, M. K. (1988, January 1). Dyes and Pigments.
1988 article
Purification of Some Water Soluble Azo Dyes by High-Speed Countercurrent Chromatography
Freeman, H. S., Hao, Z., McIntosh, S. A., & Mills, K. P. (1988, January 1). Journal of Liquid Chromatography.
1987 article
An approach to the design of non-mutagenic azo dyes
Freeman, H. S., Esancy, J. F., Esancy, M. K., Mills, K. P., Whaley, W. M., & Dabney, B. J. (1987, January 1). Dyes and Pigments.
1987 article
An approach to the design of non-mutagenic azo dyes
Calogero, F., Freeman, H. S., Esancy, J. F., Whaley, W. M., & Dabney, B. J. (1987, January 1). Dyes and Pigments.
1987 conference paper
Determination of the photodegradation products of Basic Yellow 2 by thermospray HPLC/MS and GC/MS
ASMS Conference on Mass Spectrometry and Allied Topics, 155–156. Denver, Colo. : ASMS.
1987 article
Photolytic Behavior of Some Popular Disperse Dyes on Polyester and Nylon Substrates
Freeman, H. S., & Hsu, W. N. (1987, April 1). Textile Research Journal.
1987 article
Purification procedures for synthetic dyes: Part 3—HPLC separation of the components of 1,4-bis(2,6-diisopropylanilino)anthraquinone
Mills, K. P., Freeman, H. S., Whaley, W. M., & Carroll, F. I. (1987, January 1). Dyes and Pigments.
1986 article
Purification procedures for synthetic dyes: Part 1—dry column chromatography
Freeman, H. S., Williard, C. S., & Hsu, W. N. (1986, January 1). Dyes and Pigments.
1986 article
Purification procedures for synthetic dyes: Part 2—countercurrent chromatography
Freeman, H. S., & Williard, C. S. (1986, January 1). Dyes and Pigments.
1982 article
A regiospecific interaction of meta-substituted diarylamines and phosphorus trichloride
Freeman, H. S., Freedman, L. D., & Muftah, M. A. (1982, November 1). The Journal of Organic Chemistry.
1982 article
Stereochemistry of Dopamine Receptor Agonists
McDermed, J. D., & Freeman, H. S. (1982, January 1). Elsevier EBooks.
1981 article
Dihydrophenophosphazines via the Interaction of Diarylamines and Phosphorus Trichloride: Applications and Limitations
FREEMAN, H. A. R. O. L. D. S., & FREEDMAN, L. E. O. N. D. (1981, November 11). ACS Symposium Series.
1981 article
Synthesis of tertiary phosphine derivatives of dihydrophenophosphazine
Freeman, H. S., & Freedman, L. D. (1981, December 1). The Journal of Organic Chemistry.
1979 article
ENANTIOSELECTIVITY IN THE BINDING OF (+)- AND (−)-2-AMINO-6,7-DIHYDROXY-1,2,3,4-TETRAHYDRONAPHTHALENE AND RELATED AGONISTS TO DOPAMINE RECEPTORS
McDermed, J. D., Freeman, H. S., & Ferris, R. M. (1979, January 1). Elsevier EBooks.
Ed(s):
1978 article
Acetyldiarylamines by arylation of acetanilides. Some applications and limitations
Freeman, H. S., Butler, J. R., & Freedman, L. D. (1978, December 1). The Journal of Organic Chemistry.
1978 journal article
Effects of the (+) and (-) enantiomers of 2-amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene on dopamine receptors and on dopamine uptake
British Journal of Pharmacology, 64(3), 433.
1976 article
Synthesis and dopaminergic activity of (+-)-, (+)-, and (-)-2-dipropylamino-5-hydroxy-1,2,3,4-tetrahydronaphthalene
McDermed, J. D., McKenzie, G. M., & Freeman, H. S. (1976, April 1). Journal of Medicinal Chemistry.