Events run by and for Art Bio Matter members. Participate in open conversations, seminars and round tables. COMMUNITY Projects Publications Member Events Members MEMBER EVENTS Member events are specially organized by Art Bio Matters member and volunteers. They are intended to strengthen connections between members and help them find new colleagues to discuss research questions and concerns. Depending on the format, members will present current research projects, share open questions, and lead exchanges of information where the main goal is to improve the ways in which we understand biological materials in material heritage culture. The following are members-only events. Registration links will be sent directly to ABM members through Slack and Email. SEMINAR SERIES Join us for monthly informal presentations on topics in biological material studies integrating science with conservation, history, culture, and/or other human sciences. Seminars take place every third Thursday and feature a 20-minute presentation by the speaker(s), followed by lively discussion with ABM community members. This platform allows you to share your area of interest, ongoing project, or seek collaboration outside your field. Submissions are reviewed continuously. Can't attend live? Recordings are available for one month to ABM members. In-depth 3D analysis of Iron Age mineralized textiles To play, press and hold the enter key. To stop, release the enter key. Clémence Iacconi Archaeological textile remains from ancient times are rare, as they are perishable in most environments. In temperate climates, the main preservation mechanism is “mineralization”, based on the nucleation and growth of mineral phases formed from metal cations from an adjacent archaeological artifact. It can preserve morphological information in the form of a cast or imprint of textile shapes. In recent years, the use of synchrotron X-ray microtomography (µCT) has greatly improved our understanding of the physico-chemical mechanisms leading to their preservation. Millimeter to centimeter-sized mineralized textiles from Iron Age (8th-5th century BC) sites in France and the Netherlands were analyzed by μCT to reconstruct their internal morphology. The automated processing of μCT data based on fiber orientation, which we developed, enabled a detailed multi-scale study, even in their highly degraded state. Thursday, February 20, 2025, 11:00 am ET Learn more ROUND TABLE Q&A round tables offer a unique opportunity to tap into the expertise within our diverse community. A small group of ABM members will each share current or on-going questions related to the biological materials of an object(s) in a brief (5-minute) description or presentation. This is followed by dynamic discussions with attendees, fostering knowledge exchange, brain storming, and opportunities for collaboration. ABM March 2024 Round Table To play, press and hold the enter key. To stop, release the enter key. Thainá Vígio Pamela Hatchfield Michael Galardi Thainá Vígio is seeking other fungicide methods other than freezing and anoxia treatment for 19th c. silk textiles. Pamela Hatchfield will discuss an outdoor Chinese sandstone sculpture compromised by a myriad of microbiological growth, and how to evaluate the risk of further damage from these species. Micheal Galardi (on behalf of Celeste Mahoney) will discuss light spots uncovered on a Huastec sandstone relief and wonders about the possibility of biological growth as a factor. Thursday, March 21, 2024 11:00 am ET ABM MEMBER CONVERSATIONS These informal conversations will explore the cross-disciplinary collaboration and research opportunities that define ABM. They aim to enhance our understanding of the diverse roles held by ABM members, spur collaborations, try out ideas, and explore new areas of study. Each conversation features two members, each from a different specialty (e.g., a curator and a scientist), who have not collaborated but have overlapping but not identical research interests. They will engage in a conversation based on three questions for each other, followed by audience discussion and questions. ABM Member Conversations - March 2025 To play, press and hold the enter key. To stop, release the enter key. Kat McFarlin & Cynthia Hahn In this conservation event, Kat McFarlin and Cynthia Hahn will engage in discussion about how practices around interacting with bodily remains vary across cultures and time periods. Cynthia Hahn is Distinguished Professor of Art History at Hunter College and the Graduate Center of CUNY. She has published extensively on reliquaries (including those of other cultures, but primarily Western medieval). Katherine "Kat" McFarlin is a cultural heritage conservator at the American Museum of Natural History, primarily supporting the Musem's Human Remains Collection Care Program. Thursday, March 27th, 2025 11:00 am ET OTHER WAYS TO PARTICIPATE ABM members get to participate in a variety of ways. Don't miss your chance to network! Why join the Art Bio Matters community? Members of the ABM community enjoy many benefits, regardless of their area of interest. Our website and Slack workspace have something for everyone: Communicate through the ABM Slack workspace Connect with colleagues, discuss research questions, and network in the ABM Slack community. Visit our Join the Community tab for more information. Join the Community Participate in an ABM meeting ABM has biennial conferences sharing ongoing research through a dynamic forum of exchange. Visit the ABM Meetings tab for more information. ABM Meetings Build the ABM website We need you to develop new content for the ABM website. Please email info@artbiomatters.org or message in Slack if you are interested to do any of the following: Share a project Provide a link to your publications, projects, or Opportunities to share with potential partners. Educate and reach out Provide a link to a case study or video that applies to our Materials, Instrumentation, Ethics, and Sampling pages. Anchor 1 Why join the Art Bio Matters community? Members of the ABM community enjoy many benefits, regardless of their area of interest. Our website and Slack workspace have something for everyone: Access ABM 2018, 2021, and 2023 conference recordings and background materials. Join us and become a part of the ABM c ommunity

Participate, expand you network and have some fun with these events on biological materials in heritage. OPPORTUNITIES Events Fellowships Funding Internships Jobs Studentships Mentorship Workshops + Courses Categories COMING UP These events are coming up soon! If you have an event to post, please email info@artbiomatters.org . No events or deadlines coming up now. Check again later! Perceptions of Human Remains Cynthia, an art historian, and Kat, a conservator, will be holding an informal conversation on how practices around interacting with bodily remains vary across cultures and time periods. Which may well be of interest to a wider range of scholars and practitioners: curators, scientists, and academics whose work involves human remains, and anyone else who may be concerned with thoughtful approaches regarding the study and stewardship of physical remains and associated belongings. Details PAST EVENTS These events have already passed. If you like what you see, don't miss upcoming events! Symposium—Chia Oil in 18th Century Mexican Lacquerware and Paintings Details Gain insight into the art of Mexico with a live demonstration by celebrated artisans from Michoacan, Mexico and presentations from Met scholars and multidisciplinary experts. Join us to explore the scientific, historical, and cultural implications of the use of chia oil in colonial Mexican artworks and hear about exciting advancements in the study of this versatile plant material. This program is made possible by the National Endowment for the Humanities and the Mex-Am Cultural Foundation Inc. ECBSM2024 - 6th European Conference on Biodeterioration of Stone Monuments Details A great opportunity to gather researchers, heritage professionals, industry experts, teachers, and students working for the conservation of historic and culturally relevant objects and buildings. Abstracts due by September 9, 2024 Registration deadline: September 18, 2024 Milan, Italy on 7-8 November 2024 36th CIHA World Congress - Lyon 2024 Details The 36th CIHA Congress is organized under the aegis of the Comité français d'histoire de l'art (CFHA) in partnership between the CFHA, the Institut national d'histoire de l'art (INHA), the Université Lumière Lyon 2 and the Laboratoire de recherche historique Rhône-Alpes (LARHRA CNRS UMR 5190). The main aims of this internationally-renowned scientific and cultural event are to share and disseminate research by bringing together communities of art history and heritage around a unifying theme. AMNH Techniques Tuesday Details Lindsey Paskulin is a PhD student at the University of British Columbia and lab manager of the ADaPT Archaeological Laboratory that is a dedicated space for ancient DNA and paleoproteomic analysis. Her talk will provide background on collagen mass fingerprinting and shotgun proteomics techniques as well as discuss her research focused on applying proteomic techniques to vessel interiors and vessel residues to reconstruct elements of food processing, preparation, and consumption in the past. Please see ABM members' Slack for Zoom link. Reimagining Materiality: Artistic Interventions and Sustainable Innovations in algae-based polymers Details Jessica French May 17th, 2024 6:30 PM ET In this seminar, French delves into her pioneering work with algae-based polymers, a cornerstone of her artistic practice. Through 'Other Matter', her experimental design studio, French champions sustainability with innovative outcomes for algae-based bioplastics, impacting beyond the cultural sector. The talk will offer an overview of her artistic journey, showcasing how traditional techniques are transformed by groundbreaking sustainable materials, including her innovative non-petrochemical decal signage—Other Matter Decals™. These exemplify the practical implementation of closed-loop, zero-waste systems. The discussion not only highlights French’s unique blend of research and creative experimentation but also fosters a broader conversation on the role of sustainable practices in transforming artistic production and environmental responsibility. Additionally, the seminar will address ongoing research questions and spotlight knowledge and data gaps inherent in working with unconventional materials, underscoring the critical need for continued investigation and collaboration in this evolving field. Identification of a lichen dye source in a fifteenth century medieval tapestry Details Rachel Lackner Apr 18th, 2024 11:00 AM ET As part of a long-term campaign to clean, conserve, and treat the Heroes tapestries from The Cloisters collection at The Metropolitan Museum of Art, organic colorant analysis of Julius Caesar (accession number 47.101.3) was performed. Liquid chromatography-mass spectrometry (LC-MS) analysis of several dark brown samples revealed the presence of several molecules produced only by certain species of lichen. Various lichen dye sources have been documented in the literature for centuries and are classified as either ammonia fermentation method (AFM) or boiling water method (BWM) dyes based on their method of production. However, none of these known sources produce the distinctive metabolites present in the tapestry. Lichen metabolites were definitively identified in the tapestry by LC-MS based on comparison with a reference of Lecanora sulphurata. This finding marks the first time that these lichen metabolites have been identified in a historic object, and the first evidence that BWM lichen dyes may have been used prior to the eighteenth century. This is a members-only event. Registration links will be sent directly to ABM members. ABM March Round Table Details ABM members share their current research projects and challenges to spark conversation and connect with relevant colleagues: Thainá Vígio is seeking other fungicide methods other than freezing and anoxia treatment for 19th c. silk textiles. Pamela Hatchfield will discuss an outdoor Chinese sandstone sculpture compromised by a myriad of microbiological growth, and how to evaluate the risk of further damage from these species. Micheal Galardi (Celeste Mahoney) will discuss light spots uncovered on a Huastec sandstone relief and wonders about the possibility of biological growth as a factor. This is a members-only event. Registration links will be sent directly to ABM members. 2024 Edition: 'New Perspectives in the Study of Medieval Manuscripts' Details Inaugural Seminar. Jiří Vnouček Conservator of parchment, paper & bookbinding The Royal Library, Copenhagen Changes in production of parchment during one millennium: 4th to 14th centuries Facultad de Geografía e Historia, Sala de Grados 2 de febrero de 2024 · 16:00h The seminar will take place in a hybrid format and is open to the general public. To register, please send an email to ainoacastro@usal.es The cause of much chagrin: using marine shagreen for the marine historical ecology of elasmobranchs Details Rachel Winter December 14th, 2023 11 AM ET / 4 PM GMT Marine shagreen is a luxurious, storied leather made from the skins of elasmobranchs (sharks, rays, and skates). Demand for marine shagreen peaked between the 17th-19th centuries in northwestern Europe. Once elasmobranch skins have been turned into shagreen, more precise taxonomic identification than shark or ray is not possible. Preliminary review of historical sources indicates at least 17 species, spanning the Atlantic Ocean to the Indo-Pacific, were targeted. One third of all elasmobranch species are classified as being threatened with extinction by the IUCN. A key challenge to conservation efforts is the lack of historical data, long term perspectives, and ecological baselines. This talk will discuss some of the potential avenues and challenges for studying marine shagreen museum objects for insights into which species and seas were targeted. Exploring how shagreen can be used to investigate the ecological consequences of historic elasmobranch fisheries and investigate past species biogeography. Animal mummy genomics: success, failure and collaborative interpretation Details Evon Hekkala Fordham University and American Museum of Natural History November 14th, 2023 11 AM ET / 4 PM GMT Silk and Science: Collaborative research into a knitted waistcoat associated with Charles I Details Jane Malcolm-Davies (Project Leader, Knitting in Early Modern Europe), Beatrice Behlen (Senior Curator, Fashion and Decorative Arts, Museum of London), and Paula Nabais (Junior Researcher at LAQV-REQUIMTE Research unit) May 18th, 2023 11AM EDT/3PM GMT Since 1924, the Museum of London has had an undergarment, knitted of fine silk, said to have been worn by King Charles I at his execution in 1649. Several attempts have been made to analyse stains on the front of what would then have been called a waistcoat, and to fill gaps in its provenance. A new research project has brought together a curator, a knitting historian, a conservator, scientists, and expert craftspeople, including knitters. Different methods have been used to broaden knowledge of this rare garment: detailed object examination and description, comparison with other extant garments, radiocarbon dating, various dye analysis techniques, and silk sample knitting. In this talk, the challenges and advantages of this work will be discussed: from discoveries that can be made by looking at objects together to the difficulties of grappling with science for those unfamiliar with laboratory techniques. Click "Explore" below to learn more about the project! Compound Specific Radiocarbon (14C) Dating of Our Colorful Past: from Theory to Practice Details Laura Hendriks, Branco Weiss Fellow at the School of Engineering and Architecture of Fribourg (HEIA-FR), Switzerland April 20th, 2023 11AM EDT/3PM GMT Join us for a 20-minute presentation by ABM member Laura Hendriks, Branco Weiss Fellow at the School of Engineering and Architecture of Fribourg (HEIA-FR), Switzerland. Laura’s presentation will be followed by a discussion/Q&A with current ABM members. For more information, click “Explore” below to view her abstract.

Explore opportunities for education, professional development, employment, funding, and more. OPPORTUNITIES Events Fellowships Funding Internships Jobs Studentships Mentorship Workshops + Courses Categories COMING UP These events are coming up soon! If you have an event to post, please email info@artbiomatters.org . No events or deadlines coming up now. Check again later! PAST EVENTS These events have already passed. If you like what you see, don't miss upcoming events! Symposium—Chia Oil in 18th Century Mexican Lacquerware and Paintings Details Gain insight into the art of Mexico with a live demonstration by celebrated artisans from Michoacan, Mexico and presentations from Met scholars and multidisciplinary experts. Join us to explore the scientific, historical, and cultural implications of the use of chia oil in colonial Mexican artworks and hear about exciting advancements in the study of this versatile plant material. This program is made possible by the National Endowment for the Humanities and the Mex-Am Cultural Foundation Inc. ECBSM2024 - 6th European Conference on Biodeterioration of Stone Monuments Details A great opportunity to gather researchers, heritage professionals, industry experts, teachers, and students working for the conservation of historic and culturally relevant objects and buildings. Abstracts due by September 9, 2024 Registration deadline: September 18, 2024 Milan, Italy on 7-8 November 2024 36th CIHA World Congress - Lyon 2024 Details The 36th CIHA Congress is organized under the aegis of the Comité français d'histoire de l'art (CFHA) in partnership between the CFHA, the Institut national d'histoire de l'art (INHA), the Université Lumière Lyon 2 and the Laboratoire de recherche historique Rhône-Alpes (LARHRA CNRS UMR 5190). The main aims of this internationally-renowned scientific and cultural event are to share and disseminate research by bringing together communities of art history and heritage around a unifying theme. AMNH Techniques Tuesday Details Lindsey Paskulin is a PhD student at the University of British Columbia and lab manager of the ADaPT Archaeological Laboratory that is a dedicated space for ancient DNA and paleoproteomic analysis. Her talk will provide background on collagen mass fingerprinting and shotgun proteomics techniques as well as discuss her research focused on applying proteomic techniques to vessel interiors and vessel residues to reconstruct elements of food processing, preparation, and consumption in the past. Please see ABM members' Slack for Zoom link. Reimagining Materiality: Artistic Interventions and Sustainable Innovations in algae-based polymers Details Jessica French May 17th, 2024 6:30 PM ET In this seminar, French delves into her pioneering work with algae-based polymers, a cornerstone of her artistic practice. Through 'Other Matter', her experimental design studio, French champions sustainability with innovative outcomes for algae-based bioplastics, impacting beyond the cultural sector. The talk will offer an overview of her artistic journey, showcasing how traditional techniques are transformed by groundbreaking sustainable materials, including her innovative non-petrochemical decal signage—Other Matter Decals™. These exemplify the practical implementation of closed-loop, zero-waste systems. The discussion not only highlights French’s unique blend of research and creative experimentation but also fosters a broader conversation on the role of sustainable practices in transforming artistic production and environmental responsibility. Additionally, the seminar will address ongoing research questions and spotlight knowledge and data gaps inherent in working with unconventional materials, underscoring the critical need for continued investigation and collaboration in this evolving field. Identification of a lichen dye source in a fifteenth century medieval tapestry Details Rachel Lackner Apr 18th, 2024 11:00 AM ET As part of a long-term campaign to clean, conserve, and treat the Heroes tapestries from The Cloisters collection at The Metropolitan Museum of Art, organic colorant analysis of Julius Caesar (accession number 47.101.3) was performed. Liquid chromatography-mass spectrometry (LC-MS) analysis of several dark brown samples revealed the presence of several molecules produced only by certain species of lichen. Various lichen dye sources have been documented in the literature for centuries and are classified as either ammonia fermentation method (AFM) or boiling water method (BWM) dyes based on their method of production. However, none of these known sources produce the distinctive metabolites present in the tapestry. Lichen metabolites were definitively identified in the tapestry by LC-MS based on comparison with a reference of Lecanora sulphurata. This finding marks the first time that these lichen metabolites have been identified in a historic object, and the first evidence that BWM lichen dyes may have been used prior to the eighteenth century. This is a members-only event. Registration links will be sent directly to ABM members. ABM March Round Table Details ABM members share their current research projects and challenges to spark conversation and connect with relevant colleagues: Thainá Vígio is seeking other fungicide methods other than freezing and anoxia treatment for 19th c. silk textiles. Pamela Hatchfield will discuss an outdoor Chinese sandstone sculpture compromised by a myriad of microbiological growth, and how to evaluate the risk of further damage from these species. Micheal Galardi (Celeste Mahoney) will discuss light spots uncovered on a Huastec sandstone relief and wonders about the possibility of biological growth as a factor. This is a members-only event. Registration links will be sent directly to ABM members. 2024 Edition: 'New Perspectives in the Study of Medieval Manuscripts' Details Inaugural Seminar. Jiří Vnouček Conservator of parchment, paper & bookbinding The Royal Library, Copenhagen Changes in production of parchment during one millennium: 4th to 14th centuries Facultad de Geografía e Historia, Sala de Grados 2 de febrero de 2024 · 16:00h The seminar will take place in a hybrid format and is open to the general public. To register, please send an email to ainoacastro@usal.es The cause of much chagrin: using marine shagreen for the marine historical ecology of elasmobranchs Details Rachel Winter December 14th, 2023 11 AM ET / 4 PM GMT Marine shagreen is a luxurious, storied leather made from the skins of elasmobranchs (sharks, rays, and skates). Demand for marine shagreen peaked between the 17th-19th centuries in northwestern Europe. Once elasmobranch skins have been turned into shagreen, more precise taxonomic identification than shark or ray is not possible. Preliminary review of historical sources indicates at least 17 species, spanning the Atlantic Ocean to the Indo-Pacific, were targeted. One third of all elasmobranch species are classified as being threatened with extinction by the IUCN. A key challenge to conservation efforts is the lack of historical data, long term perspectives, and ecological baselines. This talk will discuss some of the potential avenues and challenges for studying marine shagreen museum objects for insights into which species and seas were targeted. Exploring how shagreen can be used to investigate the ecological consequences of historic elasmobranch fisheries and investigate past species biogeography. Animal mummy genomics: success, failure and collaborative interpretation Details Evon Hekkala Fordham University and American Museum of Natural History November 14th, 2023 11 AM ET / 4 PM GMT Silk and Science: Collaborative research into a knitted waistcoat associated with Charles I Details Jane Malcolm-Davies (Project Leader, Knitting in Early Modern Europe), Beatrice Behlen (Senior Curator, Fashion and Decorative Arts, Museum of London), and Paula Nabais (Junior Researcher at LAQV-REQUIMTE Research unit) May 18th, 2023 11AM EDT/3PM GMT Since 1924, the Museum of London has had an undergarment, knitted of fine silk, said to have been worn by King Charles I at his execution in 1649. Several attempts have been made to analyse stains on the front of what would then have been called a waistcoat, and to fill gaps in its provenance. A new research project has brought together a curator, a knitting historian, a conservator, scientists, and expert craftspeople, including knitters. Different methods have been used to broaden knowledge of this rare garment: detailed object examination and description, comparison with other extant garments, radiocarbon dating, various dye analysis techniques, and silk sample knitting. In this talk, the challenges and advantages of this work will be discussed: from discoveries that can be made by looking at objects together to the difficulties of grappling with science for those unfamiliar with laboratory techniques. Click "Explore" below to learn more about the project! Compound Specific Radiocarbon (14C) Dating of Our Colorful Past: from Theory to Practice Details Laura Hendriks, Branco Weiss Fellow at the School of Engineering and Architecture of Fribourg (HEIA-FR), Switzerland April 20th, 2023 11AM EDT/3PM GMT Join us for a 20-minute presentation by ABM member Laura Hendriks, Branco Weiss Fellow at the School of Engineering and Architecture of Fribourg (HEIA-FR), Switzerland. Laura’s presentation will be followed by a discussion/Q&A with current ABM members. For more information, click “Explore” below to view her abstract.

Art Bio Matters is a cross-disciplinary hub for biological materials research in cultural heritage. Welcome to ABM A Cross-Disciplinary Hub for Biological Materials Research in Cultural Heritage About ABM Education Community Meetings Resources Members Opportunities MISSION STATEMENT ART BIO MATTERS (ABM) provides a stimulating forum in which to explore current and new directions in the study of biological materials found in cultural heritage collections. Communication and partnerships are facilitated by a robust website, dedicated Slack channel, and interactive Art Bio Matters Meetings. While the core disciplines of ABM are science, curatorial/cultural history, and conservation, ABM welcomes other stakeholders involved in cultural heritage studies. A key aspect of the forum is the opportunity to discuss research at any stage of completion among a balanced community of experts in a format designed to promote collegial dialogue and debate. Read more about ABM ONSITE EVENT ABM 2023 ABM 2023 was an in-person meeting in NYC, continuing as a platform for open dialogue and debate between specialists interested in biological materials investigations of cultural heritage. Meetings EXPLORE ABM Projects Discover projects from the ABM community Explore Opportunities Explore opportunities for education, professional development, employment, funding, and more. Show more Events Stay connected to the most recent events with bimonthly ABM virtual presentations by ABM Members and other events of interest. Show more Join us and become a part of the ABM c ommunity

7790811f-5c50-47d6-95c0-a9156ca3cd44 Julie Arslanoglu Research Scientist Department of Scientific Research Metropolitan Museum of Art New York, NY, USA Previous Next All members MEMBER INFORMATION Julie Arslanoglu is a Research Scientist at the Met. She investigates paints, coatings, adhesives, and the organic materials found in artworks across all ages using spectroscopy (FTIR), mass-spectrometric (GC/MS, Py-GC/MS. MALDI, LCMS) and immunological techniques (ELISA), with emphasis on natural and synthetic polymer identification and degradation. Her research interests include interactions between pigments and binders, especially proteins, polysaccharides, lipids, and their mixtures. ABM CONFERENCES ABM 2021 Poster Presenter Why Antibodies for Art Analysis? Materials from animal and plant sources (biological materials) have been used by artists to create all forms of artworks throughout time. The challenge to cultural heritage scientists is to provide meaningful and accurate information to curators, art historians, and conservators about the fats, lipids, gums, and proteins that are chemically changed by pigments and binder interactions. Antibodies offer one avenue for the investigation of proteins and polysaccharides. This presentation will describe the pros, cons, and future of this approach. Explore Full Abstract ABM 2023 Poster Presenter Minimally invasive proteomics analysis: Application to museum objects made of ivory and bone Co-authored with Caroline Tokarski. Read the Abstract. Explore Full Abstract ABM 2023 Organizer Art Bio Matters 2023 Conference Explore Full Abstract ABM 2021 Organizer Art Bio Matters 2021 Virtual Conference Explore Full Abstract ABM 2018 Organizer Art Bio Matters 2018 Conference Explore Full Abstract ABM MEMBER EVENTS PUBLICATIONS + PROJECTS Francesca Galluzzi, Stéphane Chaignepain, Julie Arslanoglu, Caroline Tokarski Hydrogen deuterium exchange mass spectrometry to elucidate reticulations, interactions and conformational changes of proteins in tempera paintings Little is known about structural alterations of proteins within the polymeric films of paints. For the first time, hydrogen‑deuterium exchange mass spectrometry (HDX-MS) was implemented to explore the conformational alterations of proteins resulting from their interaction with inorganic pigments within the early stages of the paint film formation. Intact protein analysis and bottom-up electrospray-ionisation mass spectrometry strategies combined with progressively increasing deuterium incubation times were used to compare the protein structures of the model protein hen egg-white lysozyme (HEWL) extracted from newly dried non-pigmented films and newly dried films made from a freshly made mixture of HEWL with lead white pigment (2PbCO3 Pb(OH)2). The action of other pigments was also investigated, expanding the HDX study with a global approach to paint models of HEWL mixed with zinc white (ZnO), cinnabar (HgS) and red lead (Pb3O4) pigments. The results show structural modifications of HEWL induced by the interaction with the pigment metal ions during the paint formulation after drying and prior to ageing. Both the charge distribution of HEWL proteoforms, its oxidation rate and its deuterium absorption rate, were influenced by the pigment type, providing the first insights into the correlation of pigment type/metal cation to specific chemistries related to protein stability. Explore Julie Arslanoglu Cutting Through the Fat: Animal Species and Food Processing Techniques of Residues Found in Nineteenth-Century Edgefield Pottery As part of the exhibition, Hear Me Now: The Black Potters of Old Edgefield, South Carolina, The Met’s Department of Scientific Research (DSR) investigated organic food residues found inside large nineteenth-century alkaline-glazed stoneware vessels from the Old Edgefield District, South Carolina. “Examining Storage Jars from the American South” describes the driving questions about the jars’ use and the users’ lifestyle. Investigations reported in “The Inside (and Outside) Scoop: Scientific Analysis of Food Residues Inside the Jars from Old Edgefield, South Carolina” established that the heterogeneous residues are mostly oily materials with solid materials of various unknown origins. We hoped to gain more information about the jars’ contents from these residues, but to do so we need the sophisticated tools and expertise of our collaborators through ARCHE. Explore

709df5fc-534d-4ba6-91e7-376b562cd322 Cynthia Hahn Professor of Art History New York, NY, USA Previous Next All members MEMBER INFORMATION Cynthia Hahn is Distinguished Professor of Art History at Hunter College and the Graduate Center of CUNY. She has published extensively on reliquaries (including those of other cultures, but primarily Western medieval). Her books on the subject include: Strange Beauty (PSU press), The Reliquary Effect (Reaktion), and Passion Relics (UCal press). She is particularly interested in materials and ritual as well as viewer reception. ABM CONFERENCES ABM MEMBER EVENTS PUBLICATIONS + PROJECTS

55886bdd-e849-487d-aa23-fb0e7198a8bf Hwai-ling Yeh-Lewis Senior Collections Manager Asian Art The Metropolitan Museum of Art New York, NY, USA Previous Next All members MEMBER INFORMATION Hwai-ling Yeh-Lewis oversees the storage and care of over 37,000 works in the Asian Art collection. This includes all administration procedures related to acquisitions, incoming and outgoing loans, the collection database, exhibitions, and collection inventory. She also manages internal and external requests for access to the collections, and works with the collections team to facilitate gallery installations and implement the highest standards for collection care. She received her MS in education from Indiana University. ABM CONFERENCES ABM 2023 Participant Art Bio Matters 2023 Conference Explore Full Abstract ABM 2021 Participant Art Bio Matters 2021 Virtual Conference Explore Full Abstract ABM MEMBER EVENTS PUBLICATIONS + PROJECTS

d1d14512-6cae-4f6b-86cb-bd78b7a94007 Rachel Lackner New York, NY, USA Previous Next All members MEMBER INFORMATION ABM CONFERENCES ABM MEMBER EVENTS ABM Seminar Series - April 2024 Seminar Series Presenter Identification of a lichen dye source in a fifteenth century medieval tapestry Explore PUBLICATIONS + PROJECTS Rachel M. Lackner [1], Solenn Ferron [2], Joël Boustie [2], Françoise Le Devehat [2], H. Thorsten Lumbsch [3], and Nobuko Shibayama [1] Unraveling a Historical Mystery: Identification of a Lichen Dye Source in a Fifteenth Century Medieval Tapestry As part of a long-term campaign to document, study, and conserve the Heroes tapestries from The Cloisters collection at The Metropolitan Museum of Art, organic colorant analysis of Julius Caesar (accession number 47.101.3) was performed. Analysis with liquid chromatography–quadrupole time-of-flight mass spectrometry (LC-qToF-MS) revealed the presence of several multiply chlorinated xanthones produced only by certain species of lichen. Various lichen dye sources have been documented in the literature for centuries and are classified as either ammonia fermentation method (AFM) or boiling water method (BWM) dyes based on their method of production. However, none of these known sources produce the distinctive metabolites present in the tapestry. LC-qToF-MS was also used to compare the chemical composition of the dyes in the tapestry with that of several species of crustose lichen. Lichen metabolites, including thiophanic acid and arthothelin, were definitively identified in the tapestry based on comparison with lichen xanthone standards and a reference of Lecanora sulphurata, confirming the presence of a lichen source. This finding marks the first time that lichen xanthones have been identified in a historic object and the first evidence that BWM lichen dyes may have been used prior to the eighteenth century. Explore

A wide variety of varnishes and coatings exist, generally with the purpose as acting as a protective coating or adding a specific sheen to an object. Composition Conservation Historical Use Case Studies Varnishes/Coatings A wide variety of varnishes and coatings exist, generally with the purpose as acting as a protective coating or adding a specific sheen to an object. Previous Next Back to Materials Coming Soon We need you to develop new content for the ABM website. Please email info@artbiomatters.org or message in Slack if you are interested in building the ABM website.

b48f4f7a-98c9-42b7-87fd-0a09d447f86a Richard Hark Conservation Scientist Institute for the Preservation of Cultural Heritage, Yale University Previous Next All members MEMBER INFORMATION ABM CONFERENCES ABM 2023 Team Presenter New Thoughts on Old Wood: Differentiation of Mahogany and Its Look-alikes Using Laser-induced Breakdown Spectroscopy Co-authored with John Stuart Gordon. Read the Abstract. Explore Full Abstract ABM MEMBER EVENTS PUBLICATIONS + PROJECTS