{"id":"https://openalex.org/W4390970533","doi":"https://doi.org/10.1109/biocas58349.2023.10389076","title":"A 0.57 mm<sup>2</sup> Platform with 70.7% Efficient 4 mA 3.2 V Charge Pump and a Current-Input Ramp ADC for Implantable Optical Sensing of Tumors","display_name":"A 0.57 mm<sup>2</sup> Platform with 70.7% Efficient 4 mA 3.2 V Charge Pump and a Current-Input Ramp ADC for Implantable Optical Sensing of Tumors","publication_year":2023,"publication_date":"2023-10-19","ids":{"openalex":"https://openalex.org/W4390970533","doi":"https://doi.org/10.1109/biocas58349.2023.10389076"},"language":"en","primary_location":{"id":"doi:10.1109/biocas58349.2023.10389076","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/biocas58349.2023.10389076","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Biomedical Circuits and Systems Conference (BioCAS)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5104230572","display_name":"Md. Shahrul Islam","orcid":null},"institutions":[{"id":"https://openalex.org/I107639228","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43","country_code":"US","type":"education","lineage":["https://openalex.org/I107639228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Md. Shahrul Islam","raw_affiliation_strings":["University of Notre Dame"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Notre Dame","institution_ids":["https://openalex.org/I107639228"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036356492","display_name":"Zephan M. Enciso","orcid":"https://orcid.org/0009-0007-6903-5331"},"institutions":[{"id":"https://openalex.org/I107639228","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43","country_code":"US","type":"education","lineage":["https://openalex.org/I107639228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zephan M Enciso","raw_affiliation_strings":["University of Notre Dame"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Notre Dame","institution_ids":["https://openalex.org/I107639228"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058016650","display_name":"Sunghoon Rho","orcid":null},"institutions":[{"id":"https://openalex.org/I107639228","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43","country_code":"US","type":"education","lineage":["https://openalex.org/I107639228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sunghoon Rho","raw_affiliation_strings":["University of Notre Dame"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Notre Dame","institution_ids":["https://openalex.org/I107639228"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074817106","display_name":"Kshama Lakshmi Ranganatha","orcid":null},"institutions":[{"id":"https://openalex.org/I107639228","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43","country_code":"US","type":"education","lineage":["https://openalex.org/I107639228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kshama Lakshmi Ranganatha","raw_affiliation_strings":["University of Notre Dame"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Notre Dame","institution_ids":["https://openalex.org/I107639228"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030133847","display_name":"Alicia Y. Wei","orcid":"https://orcid.org/0000-0001-5501-1071"},"institutions":[{"id":"https://openalex.org/I107639228","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43","country_code":"US","type":"education","lineage":["https://openalex.org/I107639228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alicia Wei","raw_affiliation_strings":["University of Notre Dame"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Notre Dame","institution_ids":["https://openalex.org/I107639228"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091122258","display_name":"Thomas D. O\u2019Sullivan","orcid":"https://orcid.org/0000-0001-8662-5121"},"institutions":[{"id":"https://openalex.org/I107639228","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43","country_code":"US","type":"education","lineage":["https://openalex.org/I107639228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas D. O\u2019Sullivan","raw_affiliation_strings":["University of Notre Dame"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Notre Dame","institution_ids":["https://openalex.org/I107639228"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062849115","display_name":"Siddharth Joshi","orcid":"https://orcid.org/0000-0002-9201-9678"},"institutions":[{"id":"https://openalex.org/I107639228","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43","country_code":"US","type":"education","lineage":["https://openalex.org/I107639228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Siddharth Joshi","raw_affiliation_strings":["University of Notre Dame"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Notre Dame","institution_ids":["https://openalex.org/I107639228"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I107639228"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.38668374,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.6690732836723328},{"id":"https://openalex.org/keywords/miniaturization","display_name":"Miniaturization","score":0.6078898310661316},{"id":"https://openalex.org/keywords/charge-pump","display_name":"Charge pump","score":0.5238218903541565},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.44924020767211914},{"id":"https://openalex.org/keywords/converters","display_name":"Converters","score":0.4251168966293335},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4223950505256653},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.3875574469566345},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.37443143129348755},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.34255436062812805},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23794442415237427}],"concepts":[{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.6690732836723328},{"id":"https://openalex.org/C57528182","wikidata":"https://www.wikidata.org/wiki/Q1271842","display_name":"Miniaturization","level":2,"score":0.6078898310661316},{"id":"https://openalex.org/C114825011","wikidata":"https://www.wikidata.org/wiki/Q440704","display_name":"Charge pump","level":4,"score":0.5238218903541565},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.44924020767211914},{"id":"https://openalex.org/C2778422915","wikidata":"https://www.wikidata.org/wiki/Q10302051","display_name":"Converters","level":3,"score":0.4251168966293335},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4223950505256653},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.3875574469566345},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.37443143129348755},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.34255436062812805},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23794442415237427}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/biocas58349.2023.10389076","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/biocas58349.2023.10389076","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Biomedical Circuits and Systems Conference (BioCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6399999856948853,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2120554880","https://openalex.org/W2128343557","https://openalex.org/W2417486445","https://openalex.org/W2424210132","https://openalex.org/W2599346804","https://openalex.org/W2616895250","https://openalex.org/W2766325655","https://openalex.org/W2811117593","https://openalex.org/W2915902564","https://openalex.org/W2917976659","https://openalex.org/W2942446342","https://openalex.org/W4214922233","https://openalex.org/W4226165273","https://openalex.org/W4379058498","https://openalex.org/W6977566915"],"related_works":["https://openalex.org/W2348807422","https://openalex.org/W2361025757","https://openalex.org/W2050837474","https://openalex.org/W2926730772","https://openalex.org/W1532462972","https://openalex.org/W2161636646","https://openalex.org/W2051673417","https://openalex.org/W2800568880","https://openalex.org/W4241635412","https://openalex.org/W1851494072"],"abstract_inverted_index":{"Continuous":[0],"and":[1,21,47,71,78,117],"real-time":[2],"in":[3,18,63,123],"vivo":[4,124],"monitoring":[5],"of":[6,58,92],"solid":[7],"tumors":[8],"using":[9],"implanted":[10],"sensors":[11],"would":[12],"be":[13],"transformative":[14],"for":[15,53,104,122],"precision":[16],"health":[17],"cancer":[19],"research":[20],"treatment.":[22],"Optical":[23],"techniques":[24],"such":[25,33],"as":[26],"spectroscopy":[27],"offer":[28],"a":[29,68,73,89,113],"path":[30],"towards":[31],"realizing":[32],"treatments,":[34],"but":[35],"require":[36],"additional":[37],"miniaturization":[38],"efforts.":[39],"To":[40],"address":[41],"this":[42],"need,":[43],"we":[44],"have":[45],"designed":[46],"prototyped":[48],"an":[49],"integrated":[50],"circuit":[51],"(IC)":[52],"implantable":[54],"in-vivo":[55],"optical":[56,125],"sensing":[57],"tumors.":[59],"Our":[60],"prototype,":[61],"fabricated":[62],"65nm":[64],"CMOS":[65],"technology,":[66],"occupies":[67],"0.57mm2active":[69],"area":[70],"comprises":[72],"high-efficiency":[74],"cross-coupled":[75],"charge":[76,86],"pump":[77],"two":[79],"current-input":[80],"ramp":[81],"analog-to-digital":[82],"converters":[83],"(ADCs).":[84],"The":[85],"pump,":[87],"with":[88],"peak":[90],"efficiency":[91],"70.7%,":[93],"delivers":[94],"12.8":[95],"mW":[96],"to":[97],"power":[98],"the":[99,119],"off-chip":[100],"light":[101],"sources":[102],"necessary":[103],"spectroscopy.":[105],"We":[106],"validate":[107],"our":[108],"approach":[109],"through":[110],"measurements":[111],"on":[112],"tissue":[114],"simulating":[115],"phantom":[116],"demonstrate":[118],"prototypes":[120],"suitability":[121],"sensing.":[126]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}