Harold Freeman

Magalhaes, G. R., Militao, G. F. G., Farias, N. O., Albuquerque, A. F., Botelho, M. T., Raisanen, R., … Aragao Umbuzeiro, G. (2023, October 12). Acryloyl esters of emodin for waterless dyeing and toxicological studies. COLORATION TECHNOLOGY. https://doi.org/10.1111/cote.12731

Otaviano, B. T. H., Sannomiya, M., Lima, F. S., Tangerina, M. M. P., Tamayose, C. I., Ferreira, M. J. P., … Costa, S. M. (2023). 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. https://doi.org/10.1016/j.matchemphys.2022.126766

Silva, P. M. dos S., Franca, V. H., Queiroz, R. S. de, Lima, F. S. de, Freeman, H. S., Costa, S. A. da, & Costa, S. M. da. (2022). Copaifera langsdorffii Desf. bark extract: optimisation of dyeing conditions to wool and colour fastness properties. NATURAL PRODUCT RESEARCH, 36(14), 3744–3749. https://doi.org/10.1080/14786419.2021.1872567

Williams, T. N., Vacchi, F. I., Santos, A., Szymczyk, M., Umbuzeiro, G. de A., & Freeman, H. S. (2022). 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. https://doi.org/10.1021/acssuschemeng.1c05702

Silva, L., Sanchez, M., Ibarra-Rodriguez, M., & Freeman, H. S. (2022). Isomeric tetrazole-based organic dyes for dye-sensitized solar cells: Structure-property relationships. JOURNAL OF MOLECULAR STRUCTURE, 1250. https://doi.org/10.1016/j.molstruc.2021.131749

Williams, T. N., Vacchi, F. I., Santos, A., AragaUmbuzeiro, G., & Freeman, H. S. (2022). Metal-complexed monoazo dyes as sustainable permanent hair dye alternatives-Toxicological and durability properties. DYES AND PIGMENTS, 197. https://doi.org/10.1016/j.dyepig.2021.109819

Ding, Y., Szymczyk, M., Mehraban, N., Lim, J., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2022). Molecular and excited state properties of photostable anthraquinone red and violet dyes for hydrophobic fibers. JOURNAL OF MOLECULAR STRUCTURE, 1248. https://doi.org/10.1016/j.molstruc.2021.131349

Aragao Umbuzeiro, G., Freeman, H. S., & Raisanen, R. (2022, September 1). Mutagenicity of dyes: a call to fill the knowledge gaps and improve our predictive ability. TOXICOLOGY LETTERS, Vol. 368, pp. S73–S73. https://doi.org/10.1016/j.toxlet.2022.07.217

Herrala, M., Yli-oyra, J., Albuquerque, A. F., Farias, N. O., Morales, D. A., Raisanen, R., … Rysa, J. (2022). Waterless Dyeing and In Vitro Toxicological Properties of Biocolorants from Cortinarius sanguineus. JOURNAL OF FUNGI, 8(11). https://doi.org/10.3390/jof8111129

Raisanen, R., Montero, G. A., & Freeman, H. S. (2021). 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. https://doi.org/10.1002/col.22627

Umbuzeiro, G. A., Morales, D. A., Vacchi, F. I., Albuquerque, A. F., Szymczyk, M., Sui, X., … Freeman, H. S. (2021). A promising Ames battery for mutagenicity characterization of new dyes. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS, 62(1), 52–65. https://doi.org/10.1002/em.22417

Kim, B. H., Danilov, E., Yoon, S. J., El-Shafei, A., & Freeman, H. (2021). Characterization of the photophysics of a mixed system of red disperse dyes using experimental and theoretical methods. DYES AND PIGMENTS, 184. https://doi.org/10.1016/j.dyepig.2020.108745

Williams, T. N., Szymczyk, M., & Freeman, H. S. (2021). In situ Chelation of Monoazo Dyes in Human Hair Keratin Fibers Using Environmentally Benign Metal Ions. ACS Applied Bio Materials, 4(8), 6195–6202. https://doi.org/10.1021/acsabm.1c00512

Freeman, H. S., Santos, T. C., Chen, Y., Vendemiatti, J. A. S., Oliveira, A. C., Vacchi, F. I., … Umbuzeiro, G. A. (2021, November 25). Molecular characterization and ecotoxicological evaluation of the natural dye madder and its chlorinated products. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, Vol. 11. https://doi.org/10.1007/s11356-021-17388-4

Hipolito Bezerra, K. C., Fiaschitello, T. R., Labuto, G., Freeman, H. S., Fragoso, W. D., Costa, S. M., & Costa, S. A. (2021). 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). https://doi.org/10.1016/j.jece.2021.105731

Arangdad, K., Yildirim, E., Detwiler, A., Cleven, C. D., Burk, C., Shamey, R., … El-Shafei, A. (2021). X-ray photoelectron spectroscopy study on the photodegradation of copolyester model compounds. JOURNAL OF APPLIED POLYMER SCIENCE, 138(2). https://doi.org/10.1002/app.49661

Ding, Y., Szymczyk, M., Mehraban, N., Lim, J., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2020). Molecular and excited state properties of photostable yellow disperse dyes. JOURNAL OF MOLECULAR STRUCTURE, 1207. https://doi.org/10.1016/j.molstruc.2020.127815

Santos Silva, P. M., Fiaschitello, T. R., Queiroz, R. S., Freeman, H. S., Costa, S. A., Leo, P., … Costa, S. M. (2020). Natural dye from Croton urucurana Baill. bark: Extraction, physicochemical characterization, textile dyeing and color fastness properties. DYES AND PIGMENTS, 173. https://doi.org/10.1016/j.dyepig.2019.107953

Silva, L., Sanchez, M., & Freeman, H. S. (2020). New tetrazole based dyes as efficient co-sensitizers for dsscs: Structure-properties relationship. ORGANIC ELECTRONICS, 87. https://doi.org/10.1016/j.orgel.2020.105964

Fei, X., Freeman, H. S., & Hinks, D. (2020). Toward closed loop recycling of polyester fabric: Step 1. decolorization using sodium formaldehyde sulfoxylate. JOURNAL OF CLEANER PRODUCTION, 254. https://doi.org/10.1016/j.jclepro.2020.120027

Williams, T. N., & Freeman, H. S. (2019). Analysis of keratin films as screening tools for predicting the efficacy of potential hair dyes. COLORATION TECHNOLOGY, 135(4), 253–266. https://doi.org/10.1111/cote.12408

Zaidy, S. S. H., Vacchi, F. I., Umbuzeiro, G. A., & Freeman, H. S. (2019). Approach to Waterless Dyeing of Textile Substrates-Use of Atmospheric Plasma. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 58(40), 18478–18487. https://doi.org/10.1021/acs.iecr.9b01260

Arangdad, K., Yildirim, E., Detwiler, A., Cleven, C. D., Burk, C., Shamey, R., … El-Shafei, A. (2019). Influence of UV stabilizers on the weathering of PETG and PCTT films. JOURNAL OF APPLIED POLYMER SCIENCE, 136(47). https://doi.org/10.1002/app.48198

Ding, Y., Mehraban, N., Szymczyk, M., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2019). Molecular and excited state properties of photostable anthraquinone blue dyes for hydrophobic fibers. Journal of Molecular Structure, 1181, 109–117. https://doi.org/10.1016/j.molstruc.2018.12.070

Ding, Y., Shamey, R., Chapman, L. P., & Freeman, H. S. (2019). Pretreatment effects on pigment-based textile inkjet printing - colour gamut and crockfastness properties. COLORATION TECHNOLOGY, 135(1), 77–86. https://doi.org/10.1111/cote.12377

Mehraban, N., Musich, P. R., & Freeman, H. S. (2019). Synthesis and Encapsulation of a New Zinc Phthalocyanine Photosensitizer into Polymeric Nanoparticles to Enhance Cell Uptake and Phototoxicity. APPLIED SCIENCES-BASEL, 9(3). https://doi.org/10.3390/app9030401

Umbuzeiro, G. de A., Albuquerque, A. F., Vacchi, F. I., Szymczyk, M., Sui, X., Aalizadeh, R., … Freeman, H. S. (2019). Towards a reliable prediction of the aquatic toxicity of dyes. ENVIRONMENTAL SCIENCES EUROPE, 31(1). https://doi.org/10.1186/s12302-019-0258-1

Silva, L., & Freeman, H. (2019). Variation in hydrophobic chain length of co-adsorbents to improve dye-sensitized solar cell performance. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 21(30), 16771–16778. https://doi.org/10.1039/c9cp02439e

Ding, Y., Parrillo-Chapman, L., & Freeman, H. S. (2018). 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. https://doi.org/10.1080/00405000.2017.1415623

Lim, J., Szymczyk, M., Mehraban, N., Ding, Y., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2018, December). Data from X-ray crystallographic analysis and DFT calculations on isomeric azo disperse dyes. DATA IN BRIEF, Vol. 21, pp. 675–683. https://doi.org/10.1016/j.dib.2018.10.010

Ding, Y., Parrillo-Chapman, L., & Freeman, H. S. (2018). Developing the methodology of colour gamut analysis and print quality evaluation for textile ink-jet printing: Delphi method. COLORATION TECHNOLOGY, 134(2), 135–147. https://doi.org/10.1111/cote.12319

Sultana, N., Liu, Y., Szymczyk, M., Freeman, H. S., & Vinueza, N. R. (2018). Dimerised heterobifunctional reactive dyes. Part 1: characterisation using quadrupole time-of-flight mass spectrometry. Coloration Technology, 134(6), 470–477. https://doi.org/10.1111/cote.12368

Lim, J., Szymczyk, M., Mehraban, N., Ding, Y., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2018). Molecular and excited state properties of isomeric scarlet disperse dyes. JOURNAL OF MOLECULAR STRUCTURE, 1161, 254–261. https://doi.org/10.1016/j.molstruc.2018.02.028

Williams, T. N., Kuenemann, M. A., Driessche, G. A., Williams, A. J., Fourches, D., & Freeman, H. S. (2018). 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. https://doi.org/10.1021/acssuschemeng.7b03795

Williams, T. N., Driessche, G. A., Valery, A. R. B., Fourches, D., & Freeman, H. S. (2018). 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. https://doi.org/10.1021/acssuschemeng.8b02882

Ding, Y., Freeman, H. S., & Parrillo-Chapman, L. (2017). Color Gamut Analysis and Color Fastness Evaluation for Textile Inkjet Printing Application on Polyester. JOURNAL OF IMAGING SCIENCE AND TECHNOLOGY, 61(5). https://doi.org/10.2352/j.imagingsci.technol.2017.61.5.050503

Ding, Y., & Freeman, H. S. (2017). Mordant dye application on cotton: optimisation and combination with natural dyes. COLORATION TECHNOLOGY, 133(5), 369–375. https://doi.org/10.1111/cote.12288

Rossi, T., Silva, P. M. S., De Moura, L. F., Araujo, M. C., Brito, J. O., & Freeman, H. S. (2017). Waste from eucalyptus wood steaming as a natural dye source for textile fibers. JOURNAL OF CLEANER PRODUCTION, 143, 303–310. https://doi.org/10.1016/j.jclepro.2016.12.109

Kuenemann, M. A., Szymczyk, M., Chen, Y., Sultana, N., Hinks, D., Freeman, H. S., … Vinueza, N. R. (2017). Weaver's historic accessible collection of synthetic dyes: a cheminformatics analysis. CHEMICAL SCIENCE, 8(6), 4334–4339. https://doi.org/10.1039/c7sc00567a

El-Shafei, A., Hinks, D., Boyle, P. D., & Freeman, H. S. (2015). Characterization of non-genotoxic diarylides using experimental and molecular orbital methods. DYES AND PIGMENTS, 121, 128–137. https://doi.org/10.1016/j.dyepig.2015.04.036

Mehraban, N., & Freeman, H. S. (2015). [Review of Developments in PDT Sensitizers for Increased Selectivity and Singlet Oxygen Production]. MATERIALS, 8(7), 4421–4456. https://doi.org/10.3390/ma8074421

Li, S., Freeman, H. S., Boyter, H., Jr., & Qian, L. (2015). One-Step Pad Dyeing and DP Finishing of Cotton: Part 1. Reactive Dyes with DMDHEU. AATCC JOURNAL OF RESEARCH, 2(3), 6–12. https://doi.org/10.14504/ajr.2.3.2

Li, S., Freeman, H. S., & Boyter, H., Jr. (2015). 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. https://doi.org/10.14504/ajr.2.3.3

Franciscon, E., Mendonca, D., Seber, S., Morales, D. A., Zocolo, G. J., Zanoni, M. V. B., … Umbuzeiro, G. A. (2015). 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. https://doi.org/10.1016/j.procbio.2015.01.022

He, L., Freeman, H. S., Nakpathom, M., & Boyle, P. D. (2015). Synthesis and X-ray analysis of a perfluoroalkyl-substituted azobenzene dye. DYES AND PIGMENTS, 120, 245–250. https://doi.org/10.1016/j.dyepig.2015.04.014

Freeman, H. S. (2013). Aromatic amines: use in azo dye chemistry. FRONTIERS IN BIOSCIENCE-LANDMARK, 18, 145–164. https://doi.org/10.2741/4093

Freeman, H. S., Jeong, E., & Claxton, L. D. (2013). Characterization of metabolites of genotoxic 4,4 '-aminoalkoxyazobenzene dyes. DYES AND PIGMENTS, 99(2), 496–501. https://doi.org/10.1016/j.dyepig.2013.06.001

Vacchi, F. I., Albuquerque, A. F., Vendemiatti, J. A., Morales, D. A., Ormond, A. B., Freeman, H. S., … Umbuzeiro, G. (2013). Chlorine disinfection of dye wastewater: Implications for a commercial azo dye mixture. SCIENCE OF THE TOTAL ENVIRONMENT, 442, 302–309. https://doi.org/10.1016/j.scitotenv.2012.10.019

Fadda, A. A., El-Mekawy, R. E., El-Shafei, A., Freeman, H. S., Hinks, D., & El-Fedawy, A. (2013). Design, Synthesis, and Pharmacological Screening of Novel Porphyrin Derivatives. JOURNAL OF CHEMISTRY, 2013. https://doi.org/10.1155/2013/340230

Ormond, A. B., & Freeman, H. S. (2013). [Review of Dye Sensitizers for Photodynamic Therapy]. MATERIALS, 6(3), 817–840. https://doi.org/10.3390/ma6030817

Kim, B. H., & Freeman, H. S. (2013). Effects of bis-carbazole based D-pi-A sensitizers on solar energy capture in DSSCs. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 12(3), 421–431. https://doi.org/10.1039/c2pp25262g

Ormond, A. B., & Freeman, H. S. (2013). Effects of substituents on the photophysical properties of symmetrical porphyrins. DYES AND PIGMENTS, 96(2), 440–448. https://doi.org/10.1016/j.dyepig.2012.09.011

Kim, B. H., & Freeman, H. S. (2013). New N-methyl pyrrole and thiophene based D-pi-A systems for dye-sensitized solar cells. DYES AND PIGMENTS, 96(2), 313–318. https://doi.org/10.1016/j.dyepig.2012.09.001

Fadda, A. A., El-Mekawy, R. E., El-Shafei, A. I., & Freeman, H. (2013). Synthesis and Pharmacological Screening of Novel meso-Substituted Porphyrin Analogs. ARCHIV DER PHARMAZIE, 346(1), 53–61. https://doi.org/10.1002/ardp.201200313

Lu, L., He, L., Zhang, S., & Freeman, H. S. (2012). Novel yellow azo-anthraquinone dyes for polylactide fibres: effects of alkyl chain length. COLORATION TECHNOLOGY, 128(2), 121–126. https://doi.org/10.1111/j.1478-4408.2011.00354.x

Kim, B. H., & Freeman, H. S. (2012). Structure-photovoltaic performance relationships for DSSC sensitizers having heterocyclic and benzene spacers. JOURNAL OF MATERIALS CHEMISTRY, 22(38), 20403–20409. https://doi.org/10.1039/c2jm33228k

He, L., Freeman, H. S., Lu, L., & Zhang, S. (2011). Spectroscopic study of anthraquinone dye/amphiphile systems in binary aqueous/organic solvent mixtures. DYES AND PIGMENTS, 91(3), 389–395. https://doi.org/10.1016/j.dyepig.2011.05.010

He, L., Gong, G., Freeman, H. S., Jian, W., Chen, M., & Zhao, D. (2011). Studies involving reactive dyes containing a benzophenone ultraviolet absorber. COLORATION TECHNOLOGY, 127(1), 47–54. https://doi.org/10.1111/j.1478-4408.2010.00277.x

Liang, C., Han, J., Shen, K., Wang, L., Zhao, D., & Freeman, H. S. (2010). Palladium nanoparticle microemulsions: Formation and use in catalytic hydrogenation of o-chloronitrobenzene. CHEMICAL ENGINEERING JOURNAL, 165(2), 709–713. https://doi.org/10.1016/j.cej.2010.10.022

He, L., Lu, L., Zhang, S., & Freeman, H. S. (2010). Synthesis and application of yellow azo-anthraquinone disperse dyes for polylactide fibres. COLORATION TECHNOLOGY, 126(2), 92–96. https://doi.org/10.1111/j.1478-4408.2010.00232.x

Jeong, E., Freeman, H. S., & Claxton, L. D. (2010). [Review of Synthesis and characterization of selected 4,4 '-diaminoalkoxyazobenzenes]. DYES AND PIGMENTS, 87(2), 100–108. https://doi.org/10.1016/j.dyepig.2010.03.002

Zhi-Gang, Y., Chun-Xia, Z., De-Feng, Z., Freeman, H. S., Pei-Tong, C., & Jie, H. (2009). Monoazo dyes based on 5,10-dihydrophenophosphazine, Part 2: Azo acid dyes. DYES AND PIGMENTS, 81(2), 137–143. https://doi.org/10.1016/j.dyepig.2008.09.021

He, L., El-Shafei, A., Freeman, H. S., & Boyle, P. (2009). X-ray and molecular modelling studies of 4-[N-alkylamino]azobenzene dyes. DYES AND PIGMENTS, 82(3), 299–306. https://doi.org/10.1016/j.dyepig.2009.01.013

Zhang, G., Wang, L., Shen, K., Zhao, D., & Freeman, H. S. (2008). Hydrogenation of o-chloronitrobenzene on a Pd/C catalyst doped with metal oxide nanoparticles. CHEMICAL ENGINEERING JOURNAL, 141(1-3), 368–374. https://doi.org/10.1016/j.cej.2008.04.006

Nayar, S. B., & Freeman, H. S. (2008). Hydrolyzed reactive dyes. Part 1: Analyses via fast atom bombardment and electrospray mass spectrometry. DYES AND PIGMENTS, 79(2), 89–100. https://doi.org/10.1016/j.dyepig.2007.07.002

Ahmadi, Z., Kish, M. H., Freeman, H., Kotek, R., & Katbab, A. A. (2008). Photostability of isotactic polypropylene containing monoazo pigment. JOURNAL OF APPLIED POLYMER SCIENCE, 108(5), 2950–2957. https://doi.org/10.1002/app.27951

Bae, J.-S., & Freeman, H. S. (2007). Aquatic toxicity evaluation of copper-complexed direct dyes to the Daphnia magna. DYES AND PIGMENTS, 73(1), 126–132. https://doi.org/10.1016/j.dyepig.2005.10.019

Bae, J.-S., & Freeman, H. S. (2007). Aquatic toxicity evaluation of new direct dyes to the Daphnia magna. DYES AND PIGMENTS, 73(1), 81–85. https://doi.org/10.1016/j.dyepig.2005.10.015

Szymczyk, M., El-Shafei, A., & Freeman, H. S. (2007). Design, synthesis, and characterization of new iron-complexed azo dyes. Dyes and Pigments, 72(1), 8–15. https://doi.org/10.1016/j.dyepig.2005.07.009

Reife, A., & Freeman, H. S. (2007). Dyes for polyester: disperse dyes. Chimica Oggi, 25(4), 38–41.

Ahmadi, Z., Kish, M. H., Freeman, H., Kotek, R., & Katbab, A. A. (2007). Photo-stability of pigmented isotactic polypropylene. Journal of Applied Polymer Science, 104.

Wang, J., Freeman, H. S., & D Claxton, L. (2007). Synthesis and mutagenic properties of 4,4'-diamino-p-terphenyl and 4,4'-diamino-p-quaterphenyl. COLORATION TECHNOLOGY, 123(1), 34–38. https://doi.org/10.1111/j.1478-4408.2006.00058.x

Wang, J., Freeman, H. S., & D Claxton, L. (2007). 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. https://doi.org/10.1111/j.1478-4408.2006.00059.x

Sun, Y., Zhao, D., & Freeman, H. S. (2007). Synthesis and properties of disperse dyes containing a built-in triazine stabilizer. DYES AND PIGMENTS, 74(3), 608–614. https://doi.org/10.1016/j.dyepig.2006.04.001

Suwanruji, P., & Freeman, H. S. (2006). Design, synthesis and application of easy wash-off reactive dyes. COLORATION TECHNOLOGY, 122(1), 27–36. https://doi.org/10.1111/j.1478-4408.2006.00002.x

Bae, J. S., Freeman, H. S., Warren, S. H., & Claxton, L. D. (2006). 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. https://doi.org/10.1016/j.mrgentox.2005.11.007

Freeman, H. S., & Suwanruji, P. (2006). Fiber reactive dyes. Colourage Annual, 53(4), 85–101.

Smith, B., Berger, R., & Freeman, H. S. (2006). High affinity, high efficiency fibre-reactive dyes. COLORATION TECHNOLOGY, 122(4), 187–193. https://doi.org/10.1111/j.1478-4408.2006.00032.x

Bae, J. S., Freeman, H. S., & Kim, S. D. (2006). Influences of new azo dyes to the aquatic ecosystem. FIBERS AND POLYMERS, 7(1), 30–35. https://doi.org/10.1007/BF02933599

Volna, K., Holcapek, M., Suwanruji, P., & Freeman, H. S. (2006). Mass spectrometric analysis of sulphonated dyes based on diaminobiphenyls. COLORATION TECHNOLOGY, 122(1), 22–26. https://doi.org/10.1111/j.1478-4408.2006.00001.x

Jenkins, D. W., El-Tahlawy, K., El-Shafei, A., Freeman, H. S., & Hudson, S. M. (2006). Use of gamma-cyclodextrin/epichlorohydrin polymer in merging fabric formation and coloration processes. COLORATION TECHNOLOGY, 122(6), 345–349. https://doi.org/10.1111/j.1478-4408.2006.00051.x

Pielesz, A., Weselucha-Birczynska, A., Freeman, H. S., & Wlochowicz, A. (2005). Characterizing of model direct dyes interactions with cotton cellulose via 1D and 2D Raman spectroscopy. CELLULOSE, 12(5), 497–506. https://doi.org/10.1007/s10570-005-7132-6

Bae, J. S., & Freeman, H. S. (2005). Evaluation of new direct dyes for mutagenicity using the Salmonella mammalian mutagenicity assay. FIBERS AND POLYMERS, 6(4), 297–305. https://doi.org/10.1007/BF02875665

Bae, J. S., & Freeman, H. S. (2005). Evaluation of new metallized direct dyes for mutagenicity using the Salmonella mammalian mutagenicity assay. FIBERS AND POLYMERS, 6(3), 235–243. https://doi.org/10.1007/BF02875648

Umbuzeiro, G. D., Freeman, H., Warren, S. H., Kummrow, F., & Claxton, L. D. (2005). 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. https://doi.org/10.1016/j.fct.2004.08.011

Edwards, L. C., & Freeman, H. S. (2005). Synthetic dyes based on environmental considerations. Part 3: Aquatic toxicity of iron-complexed azo dyes. Coloration Technology, 121(5), 265–270. https://doi.org/10.1111/j.1478-4408.2005.tb00284.x

Edwards, L. C., & Freeman, H. S. (2005). Synthetic dyes based on environmental considerations. Part 4: Aquatic toxicity of iron-complexed formazan dyes. Coloration Technology, 121(5), 271–274. https://doi.org/10.1111/j.1478-4408.2005.tb00285.x

Umbuzeiro, G. D. A., Freeman, H. S., Warren, S. H., Oliveira, D. P., Terao, Y., Watanabe, T., & Claxton, L. D. (2005). The contribution of azo dyes to the mutagenic activity of the Cristais River. CHEMOSPHERE, 60(1), 55–64. https://doi.org/10.1016/j.chemosphere.2004.11.100

Freeman, H., & Smith, C. B. (2005). Water and wastewater analysis. In Chemical testing of textiles (pp. 242–269). https://doi.org/10.1533/9781845690694.242

Freeman, H. S. (2004). Color yes, toxicity no: Systematic approaches to meeting this challenge. AATCC Review, 4(12), 16–21.

Freeman, H. S., Szymczyk, M., & El-Shafei, A. (2004). 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.

Edwards, L. C., Freeman, H. S., & Claxton, L. D. (2004). Developing azo and formazan dyes based on environmental considerations: Salmonella mutagenicity. MUTATION RESEARCH-FUNDAMENTAL AND MOLECULAR MECHANISMS OF MUTAGENESIS, 546(1-2), 17–28. https://doi.org/10.1016/j.mrfmmm.2003.10.002

Shaw, S. D., & Freeman, H. S. (2004). Dyes from enzyme-mediated oxidation of aromatic amines. TEXTILE RESEARCH JOURNAL, 74(3), 215–222. https://doi.org/10.1177/004051750407400305

Freeman, H. S., & Szymczyk, M. (2004). Metal-complexed dyes. Review of Progress in Coloration and Related Topics, 34, 39–57. https://doi.org/10.1111/j.1478-4408.2004.tb00151.x

El-Shafei, A., Hinks, D., Boyle, P. D., & Freeman, H. S. (2004). 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. https://doi.org/10.1107/S0108270104014763

Suwanruji, P., Freeman, H. S., & Zhao, D. F. (2004). Studies toward a universal dye for textile fibres. Coloration Technology, 120(5), 220–225. https://doi.org/10.1111/j.1478-4408.2004.tb00121.x

Freeman, H. S., Berthelon, N., & Edwards, L. C. (2004). Studies towards lightfast automotive dyes for polyester. Journal of Textile and Apparel Technology and Management, 3(4), 14.

Yin, Z. G., Xiong, W. D., Zhao, D. F., & Freeman, H. S. (2004). Syntheses, mutagenicity and applied performance of 2,8-diamino-10-methoxy-5,10-dihydrophenophosphazine 10-oxide. Acta Chimica Sinica, 62(10), 986–991.

Pielesz, A., Freeman, H. S., Weselucha-Birczynska, A., Wysocki, M., & Wlochowicz, A. (2003, June 1). Assessing secondary structure of a dyed wool fibre by means of FTIR and FTR spectroscopies. JOURNAL OF MOLECULAR STRUCTURE, Vol. 651, pp. 405–418. https://doi.org/10.1016/s0022-2860(03)00210-2

Freeman, H. S., Pielesz, A., Wysocki, M., Weselucha-Birczynska, A., & Wlochowicz, A. (2003). Characterisation of direct dye interactions with cotton via IR and Raman spectroscopies. Advances in Colour Science and Technology, 6(4), 111–115.

Freeman, H. S., & Mock, G. N. (2003). Dye application, manufacture of dye intermediates and dyes. In Riegel's handbook of industrial chemistry (10th ed.). New York: Kluwer Academic/Plenum Publishers.

Bae, J. S., Freeman, H. S., & El-Shafei, A. (2003). Metallization of non-genotoxic direct dyes. DYES AND PIGMENTS, 57(2), 121–129. https://doi.org/10.1016/S0143-7208(02)00120-1

El-Shafei, A., Boyle, P. D., Hinks, D., & Freeman, H. S. (2003). Non-mutagenic organic pigment intermediates. I. 3,3 '-Dipropoxybenzidine. ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 59(2), O71–O73. https://doi.org/10.1107/S0108270102021303

Yin, Z. G., Jin, K., Zhao, D. F., Peng, Q. J., & Freeman, H. S. (2003). 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.

Hooker, J., Hinks, D., & Freeman, H. (2003). Synthesis, properties and application of four new 1: 2 aluminium-complexed azo dyes. Coloration Technology, 119(1), 41–47. https://doi.org/10.1111/j.1478-4408.2003.tb00150.x

Bae, J. S., & Freeman, H. S. (2002). Copper salts in the post-metallization of non-genotoxic direct dyes. FIBERS AND POLYMERS, 3(4), 147–152. https://doi.org/10.1007/BF02912659

Bae, J. S., & Freeman, H. S. (2002). Synthesis and evaluation of non-genotoxic direct dyes. FIBERS AND POLYMERS, 3(4), 140–146. https://doi.org/10.1007/BF02912658

Gong, G. L., Gao, X., Wang, J. L., Zhao, D. F., & Freeman, H. S. (2002). Trisazo direct black dyes based on nonmutagenic 3,3 '-disubstituted benzidines. DYES AND PIGMENTS, 53(2), 109–117. https://doi.org/10.1016/S0143-7208(02)00010-4

Freeman, H., & Bae, J.-S. (2001). Direct dyes from non-genotoxic diamines. AATCC Review, 1(9), 67.

Bae, J. S., & Freeman, H. S. (2001). Direct dyes from nongenotoxic diamines. AATCC Review, 1(9), 67–70.

El-Shafei, A., Hinks, D., Freeman, H. S., & Lye, J. (2001). Semi-empirical molecular orbital methods in the design of organic colorants. AATCC Review, 1(12), 23–26.

El-Shafei, A., Hinks, D., & Freeman, H. S. (2001). Semi-empirical molecular orbital methods in the design of organic pigments. AATCC Review, 1(12), 23–26.

Hinks, D., Freeman, K. S., Arai, Y., & Ando, H. (2001). Synthesis and evaluation of organic pigments. 2. Studies of bisazomethine pigments based on planar nonmutagenic benzidine analogs. DYES AND PIGMENTS, 48(1), 7–13. https://doi.org/10.1016/S0143-7208(00)00087-5

Sokolowska, J., Hinks, D., & Freeman, H. S. (2001). Synthesis and evaluation of organic pigments. 3. Studies based on nonmutagenic twisted benzidines. DYES AND PIGMENTS, 48(1), 15–27. https://doi.org/10.1016/S0143-7208(00)00088-7

Nakpathom, M., Hinks, D., & Freeman, H. S. (2001). Synthesis and evaluation of organic pigments. 4. New monoarylide and diarylide pigments. DYES AND PIGMENTS, 48(2), 93–106. https://doi.org/10.1016/s0143-7208(00)00089-9

Freeman, H. S., & Peters, A. T. (2000). Colorants for non-textile applications (1st ed.) (p. 618). https://doi.org/10.1016/b978-0-444-82888-0.x5030-2

Bello, K. A., Shen, K., Zhao, D., Esancy, M., & Freeman, H. (2000). Dyes based on 5,10-dihydrophenophosphazine. Part I: Disazo direct dyes. DYES AND PIGMENTS, 46(3), 121–128. https://doi.org/10.1016/S0143-7208(00)00044-9

Freeman, H. S., & Edwards, L. C. (2000). Iron-complexed dyes: Colorants in green chemistry. In L. G. H. P. T. Anastas & T. C. Williamson (Eds.), Green chemical syntheses and processes. https://doi.org/10.1021/bk-2000-0767.ch003

Lye, J., Freeman, H. S., & Cox, R. D. (2000). Molecular modeling of Congo Red analogues containing terphenyl and quarterphenyl moieties. DYES AND PIGMENTS, 47(1-2), 53–64. https://doi.org/10.1016/s0143-7208(00)00063-2

Bhat, K. L., Freeman, H. S., Velga, J., Sztandera, L., Trachtman, M., & Bock, C. W. (2000). Monomethoxy-4-aminoazobenzenes: a computational study. DYES AND PIGMENTS, 46(2), 109–119. https://doi.org/10.1016/S0143-7208(00)00042-5

Reife, A., & Freeman, H. S. (2000). Pollution prevention in the production of dyes and pigments. Textile Chemist and Colorist & American Dyestuff Reporter, 32(1), 56–60.

Hinks, D., Freeman, H. S., Nakpathom, M., & Sokolowska, J. (2000). Synthesis and evaluation of organic pigments and intermediates. 1. Nonmutagenic benzidine analogs. DYES AND PIGMENTS, 44(3), 199–207. https://doi.org/10.1016/S0143-7208(99)00078-9

Freeman, H. S., & Lye, J. (1999). Azo and nitrodiphenylamine photochemistry. Advances in Colour Science and Technology, 2.

Freeman, H. S., & Sokolowska, J. (1999). [Review of Developments in dyestuff chemistry]. Review of Progress in Coloration and Related Topics, (29), 8–22. https://doi.org/10.1111/j.1478-4408.1999.tb00123.x

Ukponmwan, D. O., Odilora, C. A., Offor, M. N., & Freeman, H. S. (1999). Disperse Red 60 analogs. Indian Journal of Fibre & Textile Research, 24(4), 297–302.

Freeman, H. S., Mason, M. E., & Lye, J. (1999). Disperse dyes containing a built-in oxalanilide stabilizer. DYES AND PIGMENTS, 42(1), 53–63. https://doi.org/10.1016/S0143-7208(99)00009-1

Lye, J., Freeman, H. S., & Hinks, D. (1999). Molecular modeling in dye chemistry: Studies involving two disperse dyes. TEXTILE RESEARCH JOURNAL, 69(8), 583–590. https://doi.org/10.1177/004051759906900807

Freeman, H. S., Hinks, D., & Sokolowska-Gajda, J. (1999). Organic pigments from twisted benzidines. Washington, DC: U.S. Patent and Trademark Office.

Lye, J., Freeman, H. S., Mason, M. E., & Singh, P. (1999). X-ray crystal structure of CI Disperse Yellow 86. DYES AND PIGMENTS, 42(1), 107–111. https://doi.org/10.1016/S0143-7208(99)00015-7

Freeman, H. S., Reife, A., & Betowski, D. (1998). Dyes and pigments, environmental chemistry. In Encyclopedia of environmental analysis and remediation. New York: Wiley.

Sokolowska-Gajda, J., Hinks, D., Haney, C. A., Freeman, H. S., & Tanaka, M. (1998). Field desorption mass spectral analysis of some nonmutagenic benzidine-based pigments. DYES AND PIGMENTS, 39(3), 159–171. https://doi.org/10.1016/S0143-7208(97)00116-2

Bardole, H. A., Freeman, H. S., & Reife, A. (1998). Iron salts in the post-metallization of mordant dyes. TEXTILE RESEARCH JOURNAL, 68(2), 141–149. https://doi.org/10.1177/004051759806800210

Freeman, H. S., Lye, J., & Hinks, D. (1997). 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.

Freeman, H. S., Sokolowska-Gajda, J., & Reife, A. (1997). Iron-complexed formazan dyes for polyamide and protein substrates. Washington, DC: U.S. Patent and Trademark Office.

Reife, A., Weber, E., & Freeman, H. S. (1997). Iron: Producing more than rust in our environment. Chemtech, 27(10), 17–25.

Freeman, H. S., McIntosh, S. A., & Singh, P. (1997). X-ray crystal structure of disazo dyes .1. CI Disperse Orange 29. DYES AND PIGMENTS, 35(1), 11–21. https://doi.org/10.1016/S0143-7208(96)00095-2

Freeman, H. S., McIntosh, S. A., & Singh, P. (1997). X-ray crystal structure of disazo dyes .2. Derivatives of CI Disperse Yellow 23 and CI Disperse Orange 29. DYES AND PIGMENTS, 35(2), 149–164. https://doi.org/10.1016/S0143-7208(96)00096-4

Freeman, H. S., & Reife, A. (1996). Carbon adsorption. In A. Reife & H. S. Freeman (Eds.), Environmental chemistry of dyes and pigments (pp. 3–31). New York: Wiley.

Sokolowska-Gajda, J., Freeman, H. S., & Reife, A. (1996). 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.

Freeman, H. S., & Reife, A. (1996). Environmental chemistry of dyes and pigments (p. 329). New York: Wiley.

Freeman, H. S., Hinks, D., & Esancy, J. (1996). Genotoxicity of azo dyes: Bases and implications. In A.T. Peters & H. S. Freeman (Eds.), Physico-chemical principles of color chemistry. https://doi.org/10.1007/978-94-009-0091-2_7

Freeman, H. S., & Peters, A. T. (1996). Physico-chemical principles of color chemistry (1st ed.) (p. 299). https://doi.org/10.1007/978-94-009-0091-2

SokolowskaGajda, J., Freeman, H. S., & Reife, A. (1996). Synthetic dyes based on environmental considerations .2. Iron complexed formazan dyes. DYES AND PIGMENTS, 30(1), 1–20. https://doi.org/10.1016/0143-7208(95)00048-8

Freeman, H. S., Cleveland, L. G., Sokolowska-Gajda, J., & Reife, A. (1995). 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.

Hinks, D., Lye, J., & Freeman, H. S. (1995). Computer-aided dyestuff design. In Annual international conference and exhibition of AATCC. RTP, NC:  American Association of Textile Chemists and Colorists.

Kim S.D., & Freeman, H. S. (1995). Effect of chemical structure on molecular motion of spin probes doped in nylon 6 film. Journal of the Korean Fiber Society, 32(6), 554.

Freeman, H. S., & Peters, A. T. (1995). Modern colourants: Syntheses and structure. https://doi.org/10.1007/978-94-011-1356-4

Sokolowska-Gajda, J., Freeman, H. S., & Reife, A. (1995). Synthesizing premetallized acid dyes based on environmental considerations. Textile Chemist and Colorist, 27(2), 13.

Freeman, H. S., Reife, A., & Sokalawska-Gajda, J. (1994). Environmentally friendly method for producing lightfast black shades on natural and synthetic substrates. Washington, DC: U.S. Patent and Trademark Office.

FREEMAN, H. S., & MCINTOSH, S. A. (1994). IRRADIATION OF CI DISPERSE YELLOW-23 AND DISPERSE ORANGE-29 IN AN ESTER ENVIRONMENT. TEXTILE RESEARCH JOURNAL, 64(6), 309–315. https://doi.org/10.1177/004051759406400601

SOKOLOWSKAGAJDA, J., FREEMAN, H. S., & REIFE, A. (1994). SYNTHETIC DYES BASED ON ENVIRONMENTAL CONSIDERATIONS .1. IRON COMPLEXES FOR PROTEIN AND POLYAMIDE FIBERS. TEXTILE RESEARCH JOURNAL, 64(7), 388–396. https://doi.org/10.1177/004051759406400704

McDermed, J. D., Tadepalli, A. S., Chang, V. H., Hurley, K. P., & Freeman, H. S. (1993). Anti-hypertensive sulfonanilides. Washington, DC: U.S. Patent and Trademark Office.

VOYKSNER, R. D., STRAUB, R., KEEVER, J. T., FREEMAN, H. S., & HSU, W. N. (1993). DETERMINATION OF AROMATIC-AMINES ORIGINATING FROM AZO DYES BY CHEMICAL-REDUCTION COMBINED WITH LIQUID-CHROMATOGRAPHY MASS-SPECTROMETRY. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 27(8), 1665–1672. https://doi.org/10.1021/es00045a025

Freeman, H. S., Sokolowska-Gajda, J., & Reife, A. (1993). Premetallized acid dyes based on environmental considerations. Book of Papers, American Association of Textile Chemists and Colorists. International Conference & Exhibition, 254–259.

SOKOLOWSKAGAJDA, J., & FREEMAN, H. S. (1992). A NEW MEDIUM FOR THE DIAZOTIZATION OF 2-AMINO-6-NITROBENZOTHIAZOLE AND 2-AMINOBENZOTHIAZOLE. DYES AND PIGMENTS, 20(2), 137–145. https://doi.org/10.1016/0143-7208(92)85006-8

FREEMAN, H. S., & POSEY, J. C. (1992). AN APPROACH TO THE DESIGN OF LIGHTFAST DISPERSE DYES - ANALOGS OF DISPERSE YELLOW-42. DYES AND PIGMENTS, 20(3), 171–195. https://doi.org/10.1016/0143-7208(92)80044-N

FREEMAN, H. S., & POSEY, J. C. (1992). ANALOGS OF DISPERSE RED-167 CONTAINING A BUILT-IN PHOTOSTABILISER MOIETY. DYES AND PIGMENTS, 20(3), 147–169. https://doi.org/10.1016/0143-7208(92)80043-M

Rucker, J. W., Freeman, H. S., & Hsu, W. N. (1992). 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.

Rucker, J. W., Freeman, H. S., & Hsu, W. N. (1992). 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.

FREEMAN, H. S., POSEY, J. C., & SINGH, P. (1992). X-RAY CRYSTAL-STRUCTURE OF DISPERSE RED-167. DYES AND PIGMENTS, 20(4), 279–289. https://doi.org/10.1016/0143-7208(92)87027-X

FREEMAN, H. S., KIM, S. D., GILBERT, R. D., & MCGREGOR, R. (1991). ARYLAZO DYES CONTAINING A BUILT-IN HINDERED-AMINE MOIETY. DYES AND PIGMENTS, 17(2), 83–100. https://doi.org/10.1016/0143-7208(91)87023-G

Freeman, H. S., Esancy, J. F., & Claxton, L. D. (1991). 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.

Freeman, H. S., Esancy, J. F., Claxton, L. D., & Esancy, M. K. (1991). Color, yes; cancer, no. Chemtech, 21(7), 438.

Freeman, H. S., & Peters, A. T. (1991). Colour chemistry: The design and synthesis of organic dyes and pigments. New York: Elsevier Applied Science.

Design and synthesis of lightfast disperse dyes. (1991). 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.

Freeman, H. S., Hao, Z., Sokolowska-Gajda, J., & VanBreemen, R. B. (1991). Matrix selection in the FAB mass spectral analysis of synthetic dyes. Dyes and Pigments, 16(4), 317.

MCINTOSH, S. A., FREEMAN, H. S., & SINGH, P. (1991). X-RAY CRYSTAL-STRUCTURE OF THE DYE 4-(N,N-BIS-(BETA-HYDROXYETHYL) AMINO) AZOBENZENE. DYES AND PIGMENTS, 17(1), 1–10. https://doi.org/10.1016/0143-7208(91)85023-2

FREEMAN, H. S., ESANCY, J. F., & CLAXTON, L. D. (1990). AN APPROACH TO THE DESIGN OF NONMUTAGENIC AZO DYES - ANALOGS OF THE MUTAGEN CI DIRECT BLACK 17. DYES AND PIGMENTS, 13(1), 55–70. https://doi.org/10.1016/0143-7208(90)80013-F

UKPONMWAN, D. O., & FREEMAN, H. S. (1990). CHARACTERIZATION OF THE PRODUCTS DERIVED FROM THE NITRATION OF 1,5-DIHYDROXYANTHRAQUINONE (ANTHRARUFIN) AND 1,8-DIHYDROXYANTHRAQUINONE (CHRYSAZIN). DYES AND PIGMENTS, 12(2), 145–155. https://doi.org/10.1016/0143-7208(90)80006-B

Freeman, H. S., Van Breeman, R. B., Esancy, J. F., Hao, Z., Ukponmwan, D. O., & Hsu, W. N. (1990). Fast atom bombardment and desorption chemical ionization mass spectrometry in the analysis of involatile textile dyes. Textile Chemist and Colorist, 22(5), 23.

Freeman, H. S. (1990). Method for producing lightfast disperse dyestuffs containing a build-in photostabilizer [molecule] compound. Washington, DC: U.S. Patent and Trademark Office.

FREEMAN, H. S., & SOKOLOWSKAGAJDA, J. (1990). PHOTODEGRADATION OF CI ACID ORANGE-60 AND CI ACID GREEN-25 IN AN AMIDE ENVIRONMENT. TEXTILE RESEARCH JOURNAL, 60(4), 221–227. https://doi.org/10.1177/004051759006000405

FREEMAN, H. S., HAO, Z., MCINTOSH, S. A., POSEY, J. C., & HSU, W. N. (1990). PURIFICATION PROCEDURES FOR SYNTHETIC DYES .4. FLASH CHROMATOGRAPHY. DYES AND PIGMENTS, 12(3), 233–242. https://doi.org/10.1016/0143-7208(90)85015-G

Freeman, H. S., & McIntosh, S. A. (1990). Some interesting substituent effects in merocyanine dyes. Education in Chemistry, 27(3), 79.

Claxton, L. D., Walsh, D. B., Esancy, J. F., & Freeman, H. S. (1990). 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.

ESANCY, J. F., FREEMAN, H. S., & CLAXTON, L. D. (1990). [Review of THE EFFECT OF ALKOXY SUBSTITUENTS ON THE MUTAGENICITY OF SOME AMINOAZOBENZENE DYES AND THEIR REDUCTIVE-CLEAVAGE PRODUCTS]. MUTATION RESEARCH, 238(1), 1–22. https://doi.org/10.1016/0165-1110(90)90036-B

ESANCY, J. F., FREEMAN, H. S., & CLAXTON, L. D. (1990). [Review of THE EFFECT OF ALKOXY SUBSTITUENTS ON THE MUTAGENICITY OF SOME PHENYLENEDIAMINE-BASED DISAZO DYES]. MUTATION RESEARCH, 238(1), 23–38. https://doi.org/10.1016/0165-1110(90)90037-C

SOKOLOWSKAGAJDA, J., & FREEMAN, H. S. (1990). THE SYNTHESIS OF DISPERSE AND CATIONIC DYES FROM ACID DYE STRUCTURES. DYES AND PIGMENTS, 14(1), 35–48. https://doi.org/10.1016/0143-7208(90)87004-M

Freeman, H. S., Esancy, J. F., Esancy, M. K., & Claxton, L. D. (1990). 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.

Freeman, H. S., SokolowskaOGajda, J., & Hao, Z. (1989). 13C NMR analysis of some azo and anthraquinone textile dyes. Textile Chemist and Colorist, 21(4), 24.

VOYKSNER, R. D., PACK, T. W., HANEY, C. A., FREEMAN, H. S., & HSU, W. N. (1989). DETERMINATION OF THE PHOTODEGRADATION PRODUCTS OF BASIC YELLOW-2 BY THERMOSPRAY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY AND GAS-CHROMATOGRAPHY MASS-SPECTROMETRY. BIOMEDICAL AND ENVIRONMENTAL MASS SPECTROMETRY, 18(12), 1079–1086. https://doi.org/10.1002/bms.1200181208

Freeman, H. S., Haney, C. A., McIntosh, S. A., & Voyksner, R. D. (1989). 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.

FREEMAN, H. S., & MCINTOSH, S. A. (1989). PHOTOLYTIC PROPERTIES OF ORTHO-SUBSTITUTED 4-[N,N-BIS(BETA-HYDROXYETHYL)AMINO]AZOBENZENES IN POLYMER SUBSTRATES. TEXTILE RESEARCH JOURNAL, 59(6), 343–349. https://doi.org/10.1177/004051758905900606

FREEMAN, H. S., & HAO, Z. M. (1989). PROTON MAGNETIC-RESONANCE SPECTRA OF SOME NAPHTHALENE DERIVATIVES IN DMSO-D6. DYES AND PIGMENTS, 10(4), 247–257. https://doi.org/10.1016/0143-7208(89)85013-2

FREEMAN, H. S., HAO, Z., & HSU, W. N. (1989). THE CHROMATOGRAPHIC BEHAVIOR OF SOME HYDROPHILIC DYES AND DYE INTERMEDIATES ON THIN-LAYERS OF STRONG AND WEAK ION-EXCHANGERS. JOURNAL OF LIQUID CHROMATOGRAPHY, 12(6), 919–935. https://doi.org/10.1080/01483918908051770

Freeman, H. S., Hao, Z., & Kim, S. D. (1989). The design and synthesis of cellulose-substantive dyes. American Dyestuff Reporter, 78(4), 15.

MCINTOSH, S. A., FREEMAN, H. S., & SINGH, P. (1989). X-RAY CRYSTAL-STRUCTURE OF THE DYES 2-NITRO-4'-[N,N-BIS(BETA-HYDROXYETHYL)AMINO]AZOBENZENE AND 2-CYANO-4'-[N,N-BIS-(BETA-HYDROXYETHYL)AMINO]AZOBENZENE. TEXTILE RESEARCH JOURNAL, 59(7), 389–395. https://doi.org/10.1177/004051758905900703

FREEMAN, H. S., MOSER, L. S., & WHALEY, W. M. (1988). NEW PHOSPHONIC ACID REACTIVE DYES FOR COTTON. DYES AND PIGMENTS, 9(1), 57–65. https://doi.org/10.1016/0143-7208(88)85004-6

FREEMAN, H. S., HSU, W. N., ESANCY, J. F., & ESANCY, M. K. (1988). PROTON MAGNETIC-RESONANCE SPECTRA OF SOME NAPHTHALENE DERIVATIVES. DYES AND PIGMENTS, 9(1), 67–82. https://doi.org/10.1016/0143-7208(88)85005-8

FREEMAN, H. S., HAO, Z., MCINTOSH, S. A., & MILLS, K. P. (1988). PURIFICATION OF SOME WATER-SOLUBLE AZO DYES BY HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY. JOURNAL OF LIQUID CHROMATOGRAPHY, 11(1), 251–266. https://doi.org/10.1080/01483919808068327

FREEMAN, H. S., ESANCY, J. F., ESANCY, M. K., MILLS, K. P., WHALEY, W. M., & DABNEY, B. J. (1987). AN APPROACH TO THE DESIGN OF NONMUTAGENIC AZO DYES .1. THE IDENTIFICATION OF NONMUTAGENIC PRECURSORS AND POTENTIAL METABOLITES. DYES AND PIGMENTS, 8(6), 417–430. https://doi.org/10.1016/0143-7208(87)85034-9

CALOGERO, F., FREEMAN, H. S., ESANCY, J. F., WHALEY, W. M., & DABNEY, B. J. (1987). AN APPROACH TO THE DESIGN OF NONMUTAGENIC AZO DYES .2. POTENTIAL REPLACEMENTS FOR THE BENZIDINE MOIETY OF SOME MUTAGENIC AZO DYESTUFFS. DYES AND PIGMENTS, 8(6), 431–447. https://doi.org/10.1016/0143-7208(87)85035-0

Freeman, H. S., Voyksner, R. D., Pack, T. W., Hsu, W. N., & Haney, C. A. (1987). 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.

FREEMAN, H. S., & HSU, W. N. (1987). PHOTOLYTIC BEHAVIOR OF SOME POPULAR DISPERSE DYES ON POLYESTER AND NYLON SUBSTRATES. TEXTILE RESEARCH JOURNAL, 57(4), 223–234. https://doi.org/10.1177/004051758705700407

MILLS, K. P., FREEMAN, H. S., WHALEY, W. M., & CARROLL, F. I. (1987). PURIFICATION PROCEDURES FOR SYNTHETIC DYES .3. HPLC SEPARATION OF THE COMPONENTS OF 1,4-BIS(2,6-DIISOPROPYLANILINO)ANTHRAQUINONE. DYES AND PIGMENTS, 8(5), 389–395. https://doi.org/10.1016/0143-7208(87)85029-5

FREEMAN, H. S., WILLIARD, C. S., & HSU, W. N. (1986). PURIFICATION PROCEDURES FOR SYNTHETIC DYES .1. DRY COLUMN CHROMATOGRAPHY. DYES AND PIGMENTS, 7(6), 397–405. https://doi.org/10.1016/0143-7208(86)80008-0

FREEMAN, H. S., & WILLIARD, C. S. (1986). PURIFICATION PROCEDURES FOR SYNTHETIC DYES .2. COUNTERCURRENT CHROMATOGRAPHY. DYES AND PIGMENTS, 7(6), 407–417. https://doi.org/10.1016/0143-7208(86)80009-2

Freeman, H. S., Freedman, L. D., & Muftah, M. A. (1982). A regiospecific inter-action of meta-substituted diarylamines and phosphorus trichloride. Journal of Organic Chemistry, 47, 4637. https://doi.org/10.1021/jo00145a006

McDermed, J. D., & Freeman, H. S. (1982). Stereochemistry of dopamine receptor agonists. Advances in Biochemical Engineering/Biotechnology, 37, 179. https://doi.org/10.1016/b978-0-08-027391-4.50022-8

Freeman, H. S., & Freedman, L. D. (1981). Dihydrophenophosphazines via the interactions of diarylamines and phosphorus trichloride: Applications and limitations. ACS Symposium Series, 171, 291. https://doi.org/10.1021/bk-1981-0171.ch061

FREEMAN, H. S., & FREEDMAN, L. D. (1981). SYNTHESIS OF TERTIARY PHOSPHINE DERIVATIVES OF DIHYDROPHENOPHOSPHAZINE. JOURNAL OF ORGANIC CHEMISTRY, 46(26), 5373–5376. https://doi.org/10.1021/jo00339a024

McDermed, J. D., Freeman, H. S., & Ferris, R. M. (1979). Enantioselectivity in the binding of (+) - and (-) - 2 - amino - 6,7 dihydroxy - 1,2,3,4 - tetrahydronaphthalene and related agonists to dopamine receptors. In I. J. K. E. Usdin & J. Barchas (Eds.), Catecholamines: basic and clinical frontiers: proceedings of the Fourth International Catecholamine Symposium, Pacific Grove, California, September 17-22, 1978. https://doi.org/10.1016/b978-1-4832-8363-0.50174-9

FREEMAN, H. S., BUTLER, JR, & FREEDMAN, L. D. (1978). ACETYLDIARYLAMINES BY ARYLATION OF ACETANILIDES - SOME APPLICATIONS AND LIMITATIONS. JOURNAL OF ORGANIC CHEMISTRY, 43(26), 4975–4978. https://doi.org/10.1021/jo00420a018

Andrews, G. D., Davis, A., Freeman, H. S., McDermed, J. D., Poat, J. A., & Woodruff, G. N. (1978). 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.

MCDERMED, J. D., MCKENZIE, G. M., & FREEMAN, H. S. (1976). SYNTHESIS AND DOPAMINERGIC ACTIVITY OF (+/-)-1,2,3,4-TETRAHYDRONAPHTHALENE, (+)-1,2,3,4-TETRAHYDRONAPHTHALENE, AND (-)-2-DIPROPYLAMINO-5-HYDROXY-1,2,3,4-TETRAHYDRONAPHTHALENE. JOURNAL OF MEDICINAL CHEMISTRY, Vol. 19, pp. 547–549. https://doi.org/10.1021/jm00226a021