{"doi":"10.70477/kwsd8052","title":"PORTABLE, 3D-PRINTED PNEUMATIC TIMERS FOR PRECISE AND FLEXIBLE NANOLITER DROPLET CONTROL WITHOUT THE NEED FOR ELECTRICAL POWER","abstract":"Affordable 3D printers were used to print modular pneumatic logic gates, which can be operated with a single vacuum input.A droplet generator, where the droplet sizes were controlled using a 12-ring pneumatic delay buffer (inverters) as well as XOR and AND gates to select buffer outputs, created precise millisecond (ms) range pulses to open a microfluidic valve and control droplet size.With the pneumatic delay buffer, the timing of the valve's operation could be delayed in the range of 20 -150 ms with 7 -10 ms precision, allowing control of valves on the droplet generating device to make droplets from 12 -40 nL droplet control and 1 nL precision.This precise, easyto-use system is inexpensive and can be operated without any electrical power.","journal":null,"year":2024,"id":508424,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9508,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1124430,"name":"Md Mohibullah","orcid":"0009-0004-5770-3492","position":1,"is_corresponding":false},{"id":426547,"name":"Christopher J. Easley","orcid":"0000-0002-2403-4147","position":2,"is_corresponding":false},{"id":1360518,"name":"Joanne Seow","orcid":null,"position":0,"is_corresponding":true}],"reference_count":0,"raw_metadata":null,"created_at":"2026-07-19T02:11:10.049781Z","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":[]}