{ "130593-21866424": { "datetime_modified":"20250207T123141", "datetime_start":"20250123T160000", "datetime_end":"20250123T180000", "has_end_time":1, "date_start":"2025-01-23", "date_end":"2025-01-23", "time_start":"16:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Miami-Dade County Public Schools Connect Cafe, January 23rd, 2025", "occurrence_title":"", "combined_title":"Miami-Dade County Public Schools Connect Cafe, January 23rd, 2025", "event_subtitle":"", "event_type":"Careers \/ Jobs", "event_type_id":"2", "description":"Take your coffee break with our recruitment team via live chat to learn about our positions at Miami-Dade County Public Schools!Join us every 2nd & 4th Thursday of the month from 4-6pm! Be sure to register here:https:\/\/app.brazenconnect.com\/a\/miami_dade_county_public_schools\/s\/Xdbb3\/0J86e", "occurrence_notes":null, "guid":"130593-21866424@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/130593", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"", "has_livestream":0, "cost":"", "tags":[], "website":"", "sponsors":[ { "group_name":"University Career Center UCC", "group_id":"1140", "website":"http:\/\/careercenter.umich.edu" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21866424 } , "125064-21854315": { "datetime_modified":"20250114T162353", "datetime_start":"20250123T160000", "datetime_end":"", "has_end_time":0, "date_start":"2025-01-23", "date_end":"", "time_start":"16:00:00", "time_end":"", "time_zone":"America\/Detroit", "event_title":"Reaction Networks of Criegee Intermediates Formed in the Ozonolysis of a Series of Acyclic and Endocyclic Alkenes: Influence of Carbon Chain Length and Reactive Environment", "occurrence_title":"", "combined_title":"Reaction Networks of Criegee Intermediates Formed in the Ozonolysis of a Series of Acyclic and Endocyclic Alkenes: Influence of Carbon Chain Length and Reactive Environment: Denisia Popolan-Vaida (University of Central Florida)", "event_subtitle":"Denisia Popolan-Vaida (University of Central Florida)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"The reaction networks that describe the intricate chemical processes involved in atmospheric and combustion systems are typically dominated by reactive intermediates that usually occur in low concentrations. The identification and quantification of these reactive species within complex reactive mixtures are crucial for developing a fundamental, chemically accurate description of complex atmospheric and combustion systems. Criegee intermediates (CIs), carbonyl oxide reactive intermediates formed during the ozonolysis of unsaturated organic compounds, possess the unique ability to add both carbon and oxygen mass to the co-reactant through either 1,3-dipolar cycloaddition or insertion mechanisms. These mechanisms can lead to the production of high-molecular-weight, low-volatility products, which have been associated with the formation of secondary organic aerosols (SOA) in just a few reaction steps. Their unimolecular decomposition is recognized as a significant source of OH in the atmosphere.\r\nThe reaction networks of C1 to C7 CIs formed in the ozone-assisted oxidation reaction of a series of C3 to C7 acyclic and endocyclic alkenes were investigated in an atmospheric pressure jet-stirred reactor to elucidate the influence of CIs carbon number and reactive environment on the distribution of products and the formation of high-molecular-weight, low-volatility compounds. Molecular beam high-resolution mass spectrometry, tunable synchrotron single-photon ionization, and ab initio threshold energy calculations were employed for the detection and identification of gas-phase reactive intermediates and final products. Temperature-dependent analysis employing DART ionization-Orbitrap mass spectrometry was utilized to facilitate the detection of high-molecular-weight, low-volatility reaction products.\r\nThe ozone-assisted oxidation of acyclic C3 to C7 alkenes was observed to lead to complex CIs reaction networks that encompass both unimolecular and bimolecular reactions. For instance, formaldehyde oxide CIs were predominantly observed in the ozone-assisted oxidation of 1-propene and 1-butene, resulting in the formation of products corresponding to sequential CIs additions to co-products such as water, alkenes, aldehydes, alcohols, and carboxylic acids. However, oligomerization did not appear to be favored by increasing the CIs carbon number. Notably, no evidence for the formation of bimolecular products was observed in the case of long-chain CIs formed in the ozone-assisted oxidation of endocyclic alkenes, specifically C5 to C7 alkenes. Instead, long-chain CIs were observed to undergo unimolecular decomposition followed by autooxidation.\r\nThe outcomes of our research represent a significant advancement in understanding the CIs reactive behavior in complex reactive environments where multiple co-reactants are present. This information provides valuable insights for future kinetic modeling endeavors that can contribute to a more comprehensive understanding of the role and reactivity of CIs in the gas-phase to heterogeneous environments.", "occurrence_notes":null, "guid":"125064-21854315@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/125064", "building_id":"1000158", "building_name":"Chemistry Dow Lab", "campus_maps_id":"34", "room":"1640", "location_name":"Chemistry Dow Lab", "has_livestream":0, "cost":"", "tags":["Physical Chemistry","Chemistry"], "website":"https:\/\/sciences.ucf.edu\/chemistry\/person\/denisia-popolan-vaida\/", "sponsors":[ { "group_name":"Department of Chemistry", "group_id":"3761", "website":"https:\/\/lsa.umich.edu\/chem" }, { "group_name":"Physical Chemistry", "group_id":"4390", "website":"" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21854315 } , "130742-21866616": { "datetime_modified":"20250120T101207", "datetime_start":"20250123T170000", "datetime_end":"20250123T193000", "has_end_time":1, "date_start":"2025-01-23", "date_end":"2025-01-23", "time_start":"17:00:00", "time_end":"19:30:00", "time_zone":"America\/Detroit", "event_title":"January WISE Nights In", "occurrence_title":"Jan WISE Night In (Thursday)", "combined_title":"January WISE Nights In: Jan WISE Night In (Thursday)", "event_subtitle":"", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Join WISE mentors and ambassadors for dinner from Jerusalem Garden and create your 2025 vision board! WISE Nights in are specifically designed to allow STEM students to meet other students in STEM, foster connections, and build their support network.", "occurrence_notes":null, "guid":"130742-21866616@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/130742", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"WISE Office", "has_livestream":0, "cost":"", "tags":["Central Campus","Graduate Students","College Of Engineering","Michigan Engineering","Sessions","The College Of Literature, Science, And The Arts","Transfer Students","Undergraduate Students","Women In Engineering","Women In Science","Women In Science And Engineering","Women In Stem"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/13379", "sponsors":[ { "group_name":"Sessions @ Michigan", "group_id":"4791", "website":"https:\/\/sessions.studentlife.umich.edu\/" }, { "group_name":"Women in Science and Engineering (WISE) Program", "group_id":"3737", "website":"http:\/\/wise.umich.edu" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/01\/event_130742_original-1.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_2x\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/01\/event_130742_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb\/media\/attachments\/2025\/01\/event_130742_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb_square\/media\/attachments\/2025\/01\/event_130742_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large\/media\/attachments\/2025\/01\/event_130742_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large_lightbox\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_crop\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_list\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid_2x\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_large\/media\/attachments\/2025\/01\/event_130742_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/01\/event_130742_original-1.png" }, "occurrence_count":2, "first_occurrence":21866615 } , "131311-21868166": { "datetime_modified":"20250207T123218", "datetime_start":"20250123T170000", "datetime_end":"20250123T180000", "has_end_time":1, "date_start":"2025-01-23", "date_end":"2025-01-23", "time_start":"17:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Populous Virtual Information Session - Internships and New Graduate Positions-UofM", "occurrence_title":"", "combined_title":"Populous Virtual Information Session - Internships and New Graduate Positions-UofM", "event_subtitle":"", "event_type":"Careers \/ Jobs", "event_type_id":"2", "description":"Whether you\u2019re looking for an internship, graduating soon or getting a jump start on post-college planning, your next move could set the stage for a one-of-a-kind career. Join the Populous recruitment team for a virtual information session to learn more about Populous' Internship and New Grad Programs!Populous offers comprehensive services in a wide variety of markets, project types and sizes, including architecture, interior design, event planning and overlay, wayfinding and graphics, planning and urban design, sustainability, landscape architecture, marketing and more! As a firm founded on innovation, our unwavering vision for design excellence and confidence to pursue big ideas led to Fast Company naming Populous one of the world\u2019s 50 most innovative companies in 2022, ranking Populous as No. 1 in architecture.Once registered, you will receive a virtual invitation to your email prior to the event, which will take place on Thursday, January 23rd at 5pm CST.", "occurrence_notes":null, "guid":"131311-21868166@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/131311", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"", "has_livestream":0, "cost":"", "tags":[], "website":"", "sponsors":[ { "group_name":"University Career Center UCC", "group_id":"1140", "website":"http:\/\/careercenter.umich.edu" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21868166 } , "131127-21867814": { "datetime_modified":"20250114T110938", "datetime_start":"20250123T170000", "datetime_end":"20250123T180000", "has_end_time":1, "date_start":"2025-01-23", "date_end":"2025-01-23", "time_start":"17:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Start Your Tech Journey with Business+Tech", "occurrence_title":"", "combined_title":"Start Your Tech Journey with Business+Tech: SEAS and Pite Exclusive", "event_subtitle":"SEAS and Pite Exclusive", "event_type":"Presentation", "event_type_id":"16", "description":"Do you know the difference between cleantech and climatetech? We do!\r\n\r\nAt Business+Tech we aim to build a stronger and more connected tech community at U-M and beyond. Our vision is to develop and support a community of students, faculty, and industry leaders that contribute to making tech accessible for all.\r\n\r\nAt this SEAS and Pite exclusive info session, you'll learn how to \u201cStart Your Tech Journey\u201d by learning more about the tech industry, roles in tech, and ways you can get involved on campus such as the upcoming Data Download and Datathon Competition. 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