{"doi":"10.1081/al-120002372","title":"SEPARATION OF THE CYCLOPEPTIDE HETEROPHYLLIN B BY HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY AND ITS APPLICATION AS A NEW STATIONARY PHASE FOR CAPILLARY GAS CHROMATOGRAPHY","abstract":null,"journal":"Analytical Letters","year":2002,"id":628085,"datarank":0.3596842909197557,"base_score":2.3978952727983707,"endowment":2.3978952727983707,"self_citation_contribution":0.3596842909197557,"citation_network_contribution":0.0,"self_endowment_contribution":0.3596842909197557,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":10,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1626036,"name":"R. N. Fu","orcid":null,"position":1,"is_corresponding":false},{"id":1626037,"name":"N. H. Tan","orcid":null,"position":2,"is_corresponding":false},{"id":1626038,"name":"P. Ai","orcid":null,"position":3,"is_corresponding":false},{"id":141152,"name":"J. Zhou","orcid":null,"position":4,"is_corresponding":false},{"id":1528385,"name":"P. Wu","orcid":null,"position":5,"is_corresponding":false},{"id":1626039,"name":"M. Zi","orcid":null,"position":6,"is_corresponding":false},{"id":1626035,"name":"L. M. Yuan","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"SEPARATION OF THE CYCLOPEPTIDE HETEROPHYLLIN B BY HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY AND ITS APPLICATION AS A NEW STATIONARY PHASE FOR CAPILLARY GAS CHROMATOGRAPHY","abstract":"From the root of Pseudostellaria heterophylla a cyclopeptide, heterophyllin B, was isolated by high-speed countercurrent chromatography. Fused-silica capillary columns containing heterophyllin B as a main stationary phase component were prepared. The chromatographic selectivity of heterophyllin B showed toward aromatics, electron attracting compounds and amino acid.","is_dataset_classified":null,"base_score":2.3978952727983707,"endowment":2.3978952727983707,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"19910364","pmcid":null,"openalex_id":"https://openalex.org/W1996509857","authors":[],"funders":[],"total_grants":0,"fwci":0.1717,"citation_percentile":0.44327915,"influential_citations":0,"citation_trend":[{"year":2013,"count":1},{"year":2015,"count":1},{"year":2016,"count":1},{"year":2018,"count":2},{"year":2019,"count":1},{"year":2022,"count":1}],"oa_status":"closed","license":null,"oa_locations":[{"url":"http://www.tandfonline.com/doi/pdf/10.1081/AL-120002372","host_type":"publisher"},{"url":"https://doi.org/10.1081/al-120002372","host_type":"journal"}],"fields_of_study":["Analytical Chemistry and Chromatography","Chromatography in Natural Products","Crystallization and Solubility Studies"],"mesh_terms":[],"keywords":["Chemistry","Countercurrent chromatography","Chromatography","Stationary phase","Countercurrent exchange","Capillary gas chromatography","Capillary electrochromatography","Chromatography column","Gas chromatography","Capillary action","Selectivity","Phase (matter)","High-performance liquid chromatography","Organic chemistry"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-05T11:03:43.057534Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}