Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1976503559', 'doi': 'https://doi.org/10.1002/ajpa.20203', 'title': 'Using stable isotope analysis to obtain dietary profiles from old hair: A case study from Plains Indians', 'display_name': 'Using stable isotope analysis to obtain dietary profiles from old hair: A case study from Plains Indians', 'publication_year': 2005, 'publication_date': '2005-03-28', 'ids': {'openalex': 'https://openalex.org/W1976503559', 'doi': 'https://doi.org/10.1002/ajpa.20203', 'mag': '1976503559', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/15795896'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/ajpa.20203', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S126146781', 'display_name': 'American Journal of Physical Anthropology', 'issn_l': '0002-9483', 'issn': ['0002-9483', '1096-8644'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5060191145', 'display_name': 'Diana Roy', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I131249849', 'display_name': 'Oregon State University', 'ror': 'https://ror.org/00ysfqy60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I131249849']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Diana M. Roy', 'raw_affiliation_strings': ['Department of Anthropology, Oregon State University, Corvallis, Oregon 97331'], 'affiliations': [{'raw_affiliation_string': 'Department of Anthropology, Oregon State University, Corvallis, Oregon 97331', 'institution_ids': ['https://openalex.org/I131249849']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109005684', 'display_name': 'Roberta L. Hall', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I131249849', 'display_name': 'Oregon State University', 'ror': 'https://ror.org/00ysfqy60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I131249849']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Roberta Hall', 'raw_affiliation_strings': ['Department of Anthropology, Oregon State University, Corvallis, Oregon 97331'], 'affiliations': [{'raw_affiliation_string': 'Department of Anthropology, Oregon State University, Corvallis, Oregon 97331', 'institution_ids': ['https://openalex.org/I131249849']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5071535930', 'display_name': 'Alan C Mix', 'orcid': 'https://orcid.org/0000-0001-7108-3534'}, 'institutions': [{'id': 'https://openalex.org/I131249849', 'display_name': 'Oregon State University', 'ror': 'https://ror.org/00ysfqy60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I131249849']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Alan C. Mix', 'raw_affiliation_strings': ['College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, Oregon 97331'], 'affiliations': [{'raw_affiliation_string': 'College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, Oregon 97331', 'institution_ids': ['https://openalex.org/I131249849']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5078560690', 'display_name': 'Robson Bonnichsen', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I91045830', 'display_name': 'Texas A&M University', 'ror': 'https://ror.org/01f5ytq51', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I91045830']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Robson Bonnichsen', 'raw_affiliation_strings': ['Deceased December 2004.', 'Department of Anthropology, Texas A&M University, College Station, Texas 77893'], 'affiliations': [{'raw_affiliation_string': 'Department of Anthropology, Texas A&M University, College Station, Texas 77893', 'institution_ids': ['https://openalex.org/I91045830']}, {'raw_affiliation_string': 'Deceased December 2004.', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': ['https://openalex.org/A5060191145'], 'corresponding_institution_ids': ['https://openalex.org/I131249849'], 'apc_list': {'value': 4840, 'currency': 'USD', 'value_usd': 4840, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.068, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 47, 'citation_normalized_percentile': {'value': 0.874995, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '128', 'issue': '2', 'first_page': '444', 'last_page': '452'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12073', 'display_name': 'Isotope Analysis in Ecology', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2303', 'display_name': 'Ecology'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12073', 'display_name': 'Isotope Analysis in Ecology', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2303', 'display_name': 'Ecology'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10087', 'display_name': 'Archaeology and ancient environmental studies', 'score': 0.9993, 'subfield': {'id': 'https://openalex.org/subfields/1911', 'display_name': 'Paleontology'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T12473', 'display_name': 'Pacific and Southeast Asian Studies', 'score': 0.9971, 'subfield': {'id': 'https://openalex.org/subfields/3305', 'display_name': 'Geography, Planning and Development'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/δ15n', 'display_name': 'δ15N', 'score': 0.63457406}, {'id': 'https://openalex.org/keywords/isotopes-of-nitrogen', 'display_name': 'Isotopes of nitrogen', 'score': 0.6072957}, {'id': 'https://openalex.org/keywords/isotope-analysis', 'display_name': 'Isotope Analysis', 'score': 0.604232}, {'id': 'https://openalex.org/keywords/isotope-ratio-mass-spectrometry', 'display_name': 'Isotope-ratio mass spectrometry', 'score': 0.52235806}, {'id': 'https://openalex.org/keywords/carbon-fibers', 'display_name': 'Carbon fibers', 'score': 0.41519868}], 'concepts': [{'id': 'https://openalex.org/C156398188', 'wikidata': 'https://www.wikidata.org/wiki/Q3278929', 'display_name': 'δ13C', 'level': 3, 'score': 0.7777827}, {'id': 'https://openalex.org/C185059815', 'wikidata': 'https://www.wikidata.org/wiki/Q471790', 'display_name': 'Isotopes of carbon', 'level': 3, 'score': 0.7542449}, {'id': 'https://openalex.org/C2780401108', 'wikidata': 'https://www.wikidata.org/wiki/Q8083977', 'display_name': 'δ15N', 'level': 4, 'score': 0.63457406}, {'id': 'https://openalex.org/C164304813', 'wikidata': 'https://www.wikidata.org/wiki/Q25276', 'display_name': 'Isotope', 'level': 2, 'score': 0.6249751}, {'id': 'https://openalex.org/C99649442', 'wikidata': 'https://www.wikidata.org/wiki/Q470479', 'display_name': 'Isotopes of nitrogen', 'level': 3, 'score': 0.6072957}, {'id': 'https://openalex.org/C51813073', 'wikidata': 'https://www.wikidata.org/wiki/Q518459', 'display_name': 'Isotope analysis', 'level': 2, 'score': 0.604232}, {'id': 'https://openalex.org/C22117777', 'wikidata': 'https://www.wikidata.org/wiki/Q17148629', 'display_name': 'Stable isotope ratio', 'level': 2, 'score': 0.56321466}, {'id': 'https://openalex.org/C170671577', 'wikidata': 'https://www.wikidata.org/wiki/Q3966589', 'display_name': 'Isotope-ratio mass spectrometry', 'level': 3, 'score': 0.52235806}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.416166}, {'id': 'https://openalex.org/C140205800', 'wikidata': 'https://www.wikidata.org/wiki/Q5860', 'display_name': 'Carbon fibers', 'level': 3, 'score': 0.41519868}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.39880562}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.29116052}, {'id': 'https://openalex.org/C107872376', 'wikidata': 'https://www.wikidata.org/wiki/Q321355', 'display_name': 'Environmental chemistry', 'level': 1, 'score': 0.25898892}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.24530989}, {'id': 'https://openalex.org/C162356407', 'wikidata': 'https://www.wikidata.org/wiki/Q180809', 'display_name': 'Mass spectrometry', 'level': 2, 'score': 0.24345466}, {'id': 'https://openalex.org/C158787203', 'wikidata': 'https://www.wikidata.org/wiki/Q900291', 'display_name': 'Total organic carbon', 'level': 2, 'score': 0.14584398}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.12778649}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C11413529', 'wikidata': 'https://www.wikidata.org/wiki/Q8366', 'display_name': 'Algorithm', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C104779481', 'wikidata': 'https://www.wikidata.org/wiki/Q50707', 'display_name': 'Composite number', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D004032', 'descriptor_name': 'Diet', 'qualifier_ui': 'Q000266', 'qualifier_name': 'history', 'is_major_topic': True}, {'descriptor_ui': 'D006197', 'descriptor_name': 'Hair', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D007198', 'descriptor_name': 'Indians, North American', 'qualifier_ui': 'Q000266', 'qualifier_name': 'history', 'is_major_topic': True}, {'descriptor_ui': 'D002247', 'descriptor_name': 'Carbon Isotopes', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D002247', 'descriptor_name': 'Carbon Isotopes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004032', 'descriptor_name': 'Diet', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006197', 'descriptor_name': 'Hair', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D049672', 'descriptor_name': 'History, 19th Century', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D049673', 'descriptor_name': 'History, 20th Century', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007198', 'descriptor_name': 'Indians, North American', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009009', 'descriptor_name': 'Montana', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009587', 'descriptor_name': 'Nitrogen Isotopes', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D009587', 'descriptor_name': 'Nitrogen Isotopes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013023', 'descriptor_name': 'South Dakota', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/ajpa.20203', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S126146781', 'display_name': 'American Journal of Physical Anthropology', 'issn_l': '0002-9483', 'issn': ['0002-9483', '1096-8644'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/15795896', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Zero hunger', 'score': 0.6, 'id': 'https://metadata.un.org/sdg/2'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 37, 'referenced_works': ['https://openalex.org/W1177626984', 'https://openalex.org/W1490496965', 'https://openalex.org/W1504711245', 'https://openalex.org/W1601959144', 'https://openalex.org/W1604422244', 'https://openalex.org/W1604554356', 'https://openalex.org/W1964031230', 'https://openalex.org/W1966952704', 'https://openalex.org/W1970071809', 'https://openalex.org/W1971627125', 'https://openalex.org/W1976388483', 'https://openalex.org/W1984579701', 'https://openalex.org/W1990977747', 'https://openalex.org/W2013923928', 'https://openalex.org/W2019499627', 'https://openalex.org/W2020519710', 'https://openalex.org/W2025489496', 'https://openalex.org/W2030024828', 'https://openalex.org/W2038600488', 'https://openalex.org/W2042746040', 'https://openalex.org/W2047157185', 'https://openalex.org/W2054683129', 'https://openalex.org/W2070343234', 'https://openalex.org/W2075089077', 'https://openalex.org/W2098216494', 'https://openalex.org/W2106188663', 'https://openalex.org/W2166477196', 'https://openalex.org/W2171836766', 'https://openalex.org/W2210741001', 'https://openalex.org/W2399919860', 'https://openalex.org/W2565428617', 'https://openalex.org/W2797027875', 'https://openalex.org/W39005671', 'https://openalex.org/W4255743098', 'https://openalex.org/W619675654', 'https://openalex.org/W750202679', 'https://openalex.org/W792787201'], 'related_works': ['https://openalex.org/W4387735823', 'https://openalex.org/W4361215905', 'https://openalex.org/W2400387859', 'https://openalex.org/W2150279967', 'https://openalex.org/W2142103278', 'https://openalex.org/W2076677723', 'https://openalex.org/W2032582123', 'https://openalex.org/W2029607404', 'https://openalex.org/W1988475089', 'https://openalex.org/W1521093796'], 'abstract_inverted_index': {'Stable': [0], 'isotope': [1, 35, 125, 213], 'composition': [2], 'of': [3, 8, 18, 102, 115, 139, 145, 157, 166, 169, 187, 196], 'human': [4], 'tissue': [5], 'reflects': [6], 'that': [7, 171], 'foods': [9], 'consumed,': [10], 'and': [11, 24, 32, 54, 141, 147, 162], 'can': [12, 89, 215], 'provide': [13], 'information': [14], 'about': [15], 'diet': [16], 'independent': [17], 'artifactual': [19], 'remains.': [20], 'Here': [21], 'we': [22], 'refine': [23], 'test': [25], 'this': [26], 'method': [27], 'by': [28, 159, 180], 'analyzing': [29], 'nitrogen': [30], '(delta(15)N)': [31], 'carbon': [33, 76], '(delta(13)C)': [34], 'ratios': [36], 'in': [37, 61, 94, 107, 118], 'historic': [38], 'North': [39], 'American': [40], 'Plains': [41], 'Indians': [42], 'hair.': [43], 'Gas-source': [44], 'isotope-ratio': [45], 'mass': [46], 'spectrometry': [47], 'provides': [48], 'high-precision': [49], 'data': [50, 82], 'for': [51, 100, 113, 130, 203], 'both': [52], 'delta(15)N': [53], 'delta(13)C': [55, 81], '(+/-0.2': [56], 'per': [57], 'thousand,': [58], '1': [59], 'sigma)': [60], 'single': [62], 'hair': [63, 73, 104, 120], 'strands': [64, 86], 'as': [65, 67, 110, 112, 207], 'short': [66], '2': [68], 'cm': [69], '(100-150': [70], 'mug).': [71], 'Because': [72], 'contains': [74], 'more': [75], 'than': [77], 'nitrogen,': [78], 'if': [79], 'only': [80], 'are': [83], 'needed,': [84], 'shorter': [85], '(<1': [87], 'cm)': [88], 'be': [90, 216], 'analyzed.': [91], 'This': [92], 'reduction': [93], 'sample': [95], 'size': [96], 'opens': [97], 'new': [98], 'opportunities': [99], 'analysis': [101, 114], 'small': [103], 'fragments': [105], 'found': [106], 'archaeological': [108], 'excavations,': [109], 'well': [111], 'seasonal': [116], 'variations': [117], 'long': [119], 'strands.': [121], 'We': [122], 'find': [123], 'distinct': [124], 'profiles': [126, 152, 192, 214], '(delta(15)N': [127], 'vs.': [128], 'delta(13)C)': [129], 'two': [131, 185], 'cultural': [132, 204, 224], 'groups,': [133], 'the': [134, 142, 160, 181, 194, 222], 'Lower': [135, 182], 'Brule': [136], 'reservation': [137, 143], 'Sioux': [138], '1892': [140, 146], 'Blackfoot': [144, 161, 188], '1935.': [148], 'The': [149, 184], 'resultant': [150], 'dietary': [151], 'indicate': [153], 'a': [154, 163, 200], 'higher': [155, 164], 'consumption': [156, 165], 'meat': [158], 'maize': [167, 175], '(or': [168], 'animals': [170], 'had': [172], 'fed': [173], 'on': [174, 227], 'or': [176], 'other': [177], 'C(4)': [178], 'plants)': [179], 'Brule.': [183], 'groups': [186], 'yield': [189], 'similar': [190, 229], 'isotopic': [191], 'despite': [193], 'passage': [195], 'four': [197], 'decades,': [198], 'suggesting': [199], 'strong': [201], 'role': [202], 'preference': [205], 'even': [206], 'food': [208], 'sources': [209], 'change.': [210], 'Such': [211], 'stable': [212], 'used': [217], 'to': [218], 'link': [219], 'samples': [220], 'from': [221], 'same': [223], 'tradition': [225], 'based': [226], 'their': [228], 'diets.': [230]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1976503559', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 4}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 6}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 3}, {'year': 2015, 'cited_by_count': 5}, {'year': 2013, 'cited_by_count': 4}, {'year': 2012, 'cited_by_count': 4}], 'updated_date': '2024-12-11T21:00:29.753788', 'created_date': '2016-06-24'}