{"id":"https://openalex.org/W7225753798","doi":"https://doi.org/10.1186/s12610-026-00331-3","title":"Comparison of sperm characteristics following single or double-layer density gradient centrifugation","display_name":"Comparison of sperm characteristics following single or double-layer density gradient centrifugation","publication_year":2026,"publication_date":"2026-11-10","ids":{"openalex":"https://openalex.org/W7225753798","doi":"https://doi.org/10.1186/s12610-026-00331-3"},"language":"en","primary_location":{"id":"doi:10.1186/s12610-026-00331-3","doi":"https://doi.org/10.1186/s12610-026-00331-3","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12610-026-00331-3","pdf_url":null,"source":{"id":"https://openalex.org/S2765047781","display_name":"Basic and Clinical Andrology","issn_l":"2051-4190","issn":["2051-4190"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","ki-jl-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Basic and Clinical Andrology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1186/s12610-026-00331-3","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014437840","display_name":"Huidrom Yaiphaba Meitei","orcid":"https://orcid.org/0000-0002-3195-3352","observed_orcids":["https://orcid.org/0000-0002-3195-3352"]},"institutions":[{"id":"https://openalex.org/I164861460","display_name":"Manipal Academy of Higher Education","ror":"https://ror.org/02xzytt36","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460"]},{"id":"https://openalex.org/I76414455","display_name":"Kasturba Medical College, Manipal","ror":"https://ror.org/05hg48t65","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Huidrom Yaiphaba Meitei","raw_affiliation_strings":["Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India","institution_ids":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079137677","display_name":"Dhakshanya Predheepan","orcid":"https://orcid.org/0000-0001-9605-1977","observed_orcids":["https://orcid.org/0000-0001-9605-1977"]},"institutions":[{"id":"https://openalex.org/I164861460","display_name":"Manipal Academy of Higher Education","ror":"https://ror.org/02xzytt36","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460"]},{"id":"https://openalex.org/I76414455","display_name":"Kasturba Medical College, Manipal","ror":"https://ror.org/05hg48t65","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Dhakshanya Predheepan","raw_affiliation_strings":["Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India","institution_ids":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013658827","display_name":"Shubhashree Uppangala","orcid":"https://orcid.org/0000-0002-5633-3977","observed_orcids":["https://orcid.org/0000-0002-5633-3977"]},"institutions":[{"id":"https://openalex.org/I164861460","display_name":"Manipal Academy of Higher Education","ror":"https://ror.org/02xzytt36","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460"]},{"id":"https://openalex.org/I76414455","display_name":"Kasturba Medical College, Manipal","ror":"https://ror.org/05hg48t65","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Shubhashree Uppangala","raw_affiliation_strings":["Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India","institution_ids":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021040279","display_name":"Guruprasad Kalthur","orcid":"https://orcid.org/0000-0002-4554-2917","observed_orcids":["https://orcid.org/0000-0002-4554-2917"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guruprasad Kalthur","raw_affiliation_strings":["Sree Mookambika Centre for Research and Innovation, Sree Mookambika Institutes, Padanilam, Kulasekharam, Tamil Nadu, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sree Mookambika Centre for Research and Innovation, Sree Mookambika Institutes, Padanilam, Kulasekharam, Tamil Nadu, India","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053189716","display_name":"Satish Kumar Adiga","orcid":"https://orcid.org/0000-0002-2897-4697","observed_orcids":["https://orcid.org/0000-0002-2897-4697"]},"institutions":[{"id":"https://openalex.org/I164861460","display_name":"Manipal Academy of Higher Education","ror":"https://ror.org/02xzytt36","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460"]},{"id":"https://openalex.org/I76414455","display_name":"Kasturba Medical College, Manipal","ror":"https://ror.org/05hg48t65","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Satish Kumar Adiga","raw_affiliation_strings":["Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India"],"raw_orcid":"https://orcid.org/0000-0002-2897-4697","affiliations":[{"raw_affiliation_string":"Department of Reproductive Science, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India","institution_ids":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5053189716"],"corresponding_institution_ids":["https://openalex.org/I164861460","https://openalex.org/I76414455"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":{"value":2990,"currency":"USD","value_usd":2990},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"36","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10116","display_name":"Sperm and Testicular Function","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10116","display_name":"Sperm and Testicular Function","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11156","display_name":"Reproductive Health and Technologies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13242","display_name":"Male Reproductive Health Studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C2778892434","wikidata":"https://www.wikidata.org/wiki/Q1871401","display_name":"Density gradient","level":2,"score":0.8274000287055969},{"id":"https://openalex.org/C132946820","wikidata":"https://www.wikidata.org/wiki/Q2509459","display_name":"Differential centrifugation","level":2,"score":0.7980999946594238},{"id":"https://openalex.org/C2781087480","wikidata":"https://www.wikidata.org/wiki/Q17145","display_name":"Sperm","level":2,"score":0.7605000138282776},{"id":"https://openalex.org/C2778093475","wikidata":"https://www.wikidata.org/wiki/Q9715","display_name":"Semen","level":2,"score":0.7117000222206116},{"id":"https://openalex.org/C16685009","wikidata":"https://www.wikidata.org/wiki/Q335057","display_name":"Andrology","level":1,"score":0.6502000093460083},{"id":"https://openalex.org/C2777632594","wikidata":"https://www.wikidata.org/wiki/Q27116486","display_name":"Sperm motility","level":3,"score":0.6018000245094299},{"id":"https://openalex.org/C58207958","wikidata":"https://www.wikidata.org/wiki/Q33596","display_name":"Motility","level":2,"score":0.5230000019073486},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.45419999957084656},{"id":"https://openalex.org/C7623868","wikidata":"https://www.wikidata.org/wiki/Q1967135","display_name":"Centrifugation","level":2,"score":0.39959999918937683},{"id":"https://openalex.org/C24586158","wikidata":"https://www.wikidata.org/wiki/Q27075","display_name":"Mitochondrial DNA","level":3,"score":0.3610000014305115},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"score":0.32580000162124634},{"id":"https://openalex.org/C2994365204","wikidata":"https://www.wikidata.org/wiki/Q29548","display_name":"Membrane integrity","level":3,"score":0.3176000118255615},{"id":"https://openalex.org/C48679268","wikidata":"https://www.wikidata.org/wiki/Q3375169","display_name":"Percoll","level":3,"score":0.2743000090122223},{"id":"https://openalex.org/C2776210078","wikidata":"https://www.wikidata.org/wiki/Q351870","display_name":"Reproductive medicine","level":3,"score":0.2703999876976013},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.26969999074935913},{"id":"https://openalex.org/C90424259","wikidata":"https://www.wikidata.org/wiki/Q211026","display_name":"Electrochemical gradient","level":3,"score":0.2671999931335449},{"id":"https://openalex.org/C519853106","wikidata":"https://www.wikidata.org/wiki/Q3640158","display_name":"Reproductive biology","level":4,"score":0.26089999079704285}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1186/s12610-026-00331-3","doi":"https://doi.org/10.1186/s12610-026-00331-3","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12610-026-00331-3","pdf_url":null,"source":{"id":"https://openalex.org/S2765047781","display_name":"Basic and Clinical Andrology","issn_l":"2051-4190","issn":["2051-4190"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","ki-jl-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Basic and Clinical Andrology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1186/s12610-026-00331-3","doi":"https://doi.org/10.1186/s12610-026-00331-3","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12610-026-00331-3","pdf_url":null,"source":{"id":"https://openalex.org/S2765047781","display_name":"Basic and Clinical Andrology","issn_l":"2051-4190","issn":["2051-4190"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","ki-jl-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Basic and Clinical Andrology","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1971948478","https://openalex.org/W1995944833","https://openalex.org/W2047734813","https://openalex.org/W2051215551","https://openalex.org/W2090024754","https://openalex.org/W2094740082","https://openalex.org/W2099213991","https://openalex.org/W2103043056","https://openalex.org/W2113661416","https://openalex.org/W2151422475","https://openalex.org/W2172278694","https://openalex.org/W2340497693","https://openalex.org/W2379368428","https://openalex.org/W2914782491","https://openalex.org/W3128915830","https://openalex.org/W4210508708","https://openalex.org/W4415035043","https://openalex.org/W7138880175"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"Background":[1],"The":[2,20,62,205],"present":[3],"study":[4,23],"aimed":[5],"to":[6,117,130,142,174,187,200],"understand":[7],"whether":[8],"single":[9],"and":[10,30,39,43,48,59,81,94,102,135,192,226,236],"double-layer":[11,44,95],"density":[12,45,96,216],"gradient":[13,46,69,97,153,217],"systems":[14,70,98,154],"provide":[15],"differential":[16],"sperm":[17,56,89,157,240],"preparation":[18],"outcomes.":[19],"prospective":[21],"comparative":[22],"included":[24],"semen":[25],"samples":[26],"from":[27,223],"25":[28,31],"normozoospermic":[29,101,106,225],"non-normozoospermic":[32,103,164,227],"men.":[33],"Each":[34],"sample":[35],"was":[36,147],"equally":[37],"split":[38],"processed":[40],"using":[41,92],"single-":[42,93],"centrifugation,":[47],"the":[49,67,152],"recovered":[50,91],"spermatozoa":[51,222],"were":[52,64,161],"assessed":[53],"for":[54,166,239],"basic":[55],"characteristics,":[57],"kinematics,":[58,77],"DNA":[60,82,136,193],"integrity.":[61],"outcomes":[63],"compared":[65],"between":[66,151],"two":[68],"in":[71,88,99,163],"both":[72,100,224],"groups.":[73],"Results":[74],"Sperm":[75],"motility,":[76],"mitochondrial":[78,122,179],"membrane":[79,123,180],"potential,":[80],"integrity":[83,137,194],"did":[84],"not":[85,148],"differ":[86],"significantly":[87],"fractions":[90],"ejaculates.":[104],"In":[105],"ejaculates,":[107],"total":[108,167],"motility":[109,168],"(mean":[110],"difference,":[111],"MD":[112],"2.1%,":[113],"95%":[114,127,140,171,184,197],"CI":[115,128,172,185,198],"-2.5":[116],"6.9;":[118],"p":[119,132,144,176,189,202],"=":[120,133,145,177,190,203],"0.36),":[121],"potential":[124,181,231],"(MD":[125,138,169,182,195],"-0.7,":[126],"-6.0":[129],"4.5,":[131],"0.77)":[134],"-0.0,":[139],"-3.2":[141],"3.1;":[143],"0.98)":[146],"statistically":[149],"different":[150],"immediately":[155],"post":[156],"selection.":[158],"Similar":[159],"findings":[160,206],"observed":[162],"ejaculates":[165],"5.0%,":[170],"-4.9":[173],"14.9;":[175],"0.31),":[178],"-3.3,":[183],"-18.1":[186],"11.5;":[188],"0.65)":[191],"-3.0,":[196],"-7.6":[199],"1.6;":[201],"0.19).":[204],"remain":[207],"unaltered":[208],"after":[209],"6":[210],"h":[211],"of":[212],"incubation.":[213],"Conclusion":[214],"Single-layer":[215],"centrifugation":[218],"effectively":[219],"selects":[220],"competent":[221],"samples,":[228],"highlighting":[229],"its":[230],"as":[232],"a":[233],"technically":[234],"simple":[235],"cost-effective":[237],"approach":[238],"processing.":[241]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-11T00:00:00"}
