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X-ORIGINAL-URL:https://www.chemistry.ucla.edu
X-WR-CALDESC:Events for UCLA
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TZID:America/Los_Angeles
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DTSTART:20220313T100000
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DTSTART:20221106T090000
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231120T150000
DTEND;TZID=America/Los_Angeles:20231120T160000
DTSTAMP:20231027T163618Z
CREATED:20231027T163618Z
LAST-MODIFIED:20231027T163618Z
UID:31296-1700492400-1700496000@www.chemistry.ucla.edu
SUMMARY:Chem 248 Organic Chemistry Student Seminar: Aris Rubio
DESCRIPTION:
URL:https://www.chemistry.ucla.edu/events/chem-248-organic-chemistry-student-seminar-aris-rubio/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231115T160000
DTEND;TZID=America/Los_Angeles:20231115T171500
DTSTAMP:20231114T222911Z
CREATED:20231114T222911Z
LAST-MODIFIED:20231114T222911Z
UID:31413-1700064000-1700068500@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Phillip J. Milner
DESCRIPTION:Flyer:Prof. Phillip Milner Flyer \nTitle: “Simplifying Synthesis at the Interface of Organic and Materials Chemistry” \nAbstract: Porous framework materials\, including metal-organic frameworks (MOFs)\, are highly tunable materials with myriad potential applications ranging from chemical separations to gas storage to catalysis. This is due to the unusual local environment offered by their pores. Herein we will discuss how this tunability can be used to unlock new reactive species relevant to organic synthesis and catalysis\, focusing on fluorination chemistry\, which is critical to the pharmaceutical\, polymer\, and agrochemical industries. We will also draw inspiration from organic chemistry for the design of new chemical separations and electrocatalytically active materials.
URL:https://www.chemistry.ucla.edu/seminars/jeffrey-i-zink-inorganic-chemistry-seminar-series-phillip-j-milner/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
CATEGORIES:Inorganic,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231113T150000
DTEND;TZID=America/Los_Angeles:20231113T160000
DTSTAMP:20231027T161335Z
CREATED:20231027T161335Z
LAST-MODIFIED:20231027T161335Z
UID:31294-1699887600-1699891200@www.chemistry.ucla.edu
SUMMARY:Chem 248 Organic Chemistry Student Seminar: Marcelo Mazariego
DESCRIPTION:
URL:https://www.chemistry.ucla.edu/events/chem-248-organic-chemistry-student-seminar-marcelo-mazariego/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231109T120000
DTEND;TZID=America/Los_Angeles:20231109T130000
DTSTAMP:20231102T165145Z
CREATED:20231102T165145Z
LAST-MODIFIED:20231102T165145Z
UID:31324-1699531200-1699534800@www.chemistry.ucla.edu
SUMMARY:Chem 218 Student Exit Seminar: Zisheng Zhang
DESCRIPTION:
URL:https://www.chemistry.ucla.edu/events/chem-218-student-exit-seminar-zisheng-zhang/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
CATEGORIES:Chem 218 Student Exit Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231101T160000
DTEND;TZID=America/Los_Angeles:20231101T173000
DTSTAMP:20231017T163513Z
CREATED:20231010T192059Z
LAST-MODIFIED:20231017T163513Z
UID:31185-1698854400-1698859800@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Professor Prashant Jain
DESCRIPTION:Flyer: Prof. Prashant Jain Flyer \nTitle: “The Chemical Potential of Light” \nAbstract: The interaction of light with molecules can be used to access new modes of chemical reactivity; however\, this interaction is often difficult to exploit in a universal manner. I will describe how plasmonics is proving to be a general strategy for interfacing photons with molecules and activating chemical transformations and even inducing emergent chemistry. In my laboratory\, catalysts based on plasmonic nanoparticles are allowing light to be used as a redox equivalent in chemical reactions\, for promoting non-equilibrium chemical processes\, for modifying product selectivity\, for photosynthesizing fuels\, and for boosting electrochemical conversions. I will provide a deeper view of the excited-state structures\, species\, and mechanisms that underlie these phenomena at the nanoparticle–solution interface.
URL:https://www.chemistry.ucla.edu/events/jeffrey-i-zink-inorganic-chemistry-seminar-series-professor-prashant-jain/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231101T160000
DTEND;TZID=America/Los_Angeles:20231101T173000
DTSTAMP:20231011T212354Z
CREATED:20230816T170705Z
LAST-MODIFIED:20231011T212354Z
UID:30841-1698854400-1698859800@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Prashant Jain
DESCRIPTION:Flyer: Prof. Prashant Jain Flyer \nTitle: “The Chemical Potential of Light” \nAbstract: The interaction of light with molecules can be used to access new modes of chemical reactivity; however\, this interaction is often difficult to exploit in a universal manner. I will describe how plasmonics is proving to be a general strategy for interfacing photons with molecules and activating chemical transformations and even inducing emergent chemistry. In my laboratory\, catalysts based on plasmonic nanoparticles are allowing light to be used as a redox equivalent in chemical reactions\, for promoting non-equilibrium chemical processes\, for modifying product selectivity\, for photosynthesizing fuels\, and for boosting electrochemical conversions. I will provide a deeper view of the excited-state structures\, species\, and mechanisms that underlie these phenomena at the nanoparticle–solution interface.
URL:https://www.chemistry.ucla.edu/seminars/jeffrey-i-zink-inorganic-chemistry-seminar-series-prashant-jain/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
CATEGORIES:Inorganic,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231030T150000
DTEND;TZID=America/Los_Angeles:20231030T160000
DTSTAMP:20231027T165700Z
CREATED:20231027T161108Z
LAST-MODIFIED:20231027T165700Z
UID:31291-1698678000-1698681600@www.chemistry.ucla.edu
SUMMARY:Chem 248 Organic Chemistry Student Seminar: Daniel Turner
DESCRIPTION:
URL:https://www.chemistry.ucla.edu/events/chem-248-organic-chemistry-student-seminar-daniel-turner/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231025T160000
DTEND;TZID=America/Los_Angeles:20231025T173000
DTSTAMP:20231011T210351Z
CREATED:20231010T191844Z
LAST-MODIFIED:20231011T210351Z
UID:31183-1698249600-1698255000@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Professor Jinyong Liu
DESCRIPTION:Flyer: Prof. Jinyong Liu Flyer \nTitle: “Photodegradation of PFAS: Mechanistic Insights and Technology Development” \nAbstract: The list of PFAS pollutants is expanding rapidly. PFAS pollutants have various chain lengths and end functional groups. These structural features substantially impact the molecular reactivity under reductive and oxidative treatment. The efficacy and efficiency of PFAS degradation systems also depend on solution chemistry\, such as pH and the source of reducing/oxidizing species. This presentation will summarize our recent findings from treating over 60 legacy and emerging PFAS structures. The structure-reactivity relationship and system performance improvement will benefit the design of remediation systems for most PFAS pollutants.
URL:https://www.chemistry.ucla.edu/events/jeffrey-i-zink-inorganic-chemistry-seminar-series-professor-jinyong-liu/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231025T130000
DTEND;TZID=America/Los_Angeles:20231025T140000
DTSTAMP:20231023T184128Z
CREATED:20231023T184128Z
LAST-MODIFIED:20231023T184128Z
UID:31262-1698238800-1698242400@www.chemistry.ucla.edu
SUMMARY:Special Physical Chemistry Seminar by Prof. Sandeep Sharma
DESCRIPTION:Sandeep Sharma Flyer
URL:https://www.chemistry.ucla.edu/events/special-physical-chemistry-seminar-by-prof-sandeep-sharma/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
CATEGORIES:Special Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231018T160000
DTEND;TZID=America/Los_Angeles:20231018T173000
DTSTAMP:20231011T174021Z
CREATED:20231011T173641Z
LAST-MODIFIED:20231011T174021Z
UID:31201-1697644800-1697650200@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Professor Yong Yan
DESCRIPTION:Flyer: Prof. Yong Yan Flyer \nTitle: “Perovskite Semiconductors For Photocatalytic Organic Synthesis” \nAbstract: Heterogeneous catalysis is responsible for the vast majority of chemical transformations\, yet the direct employment of chiral solid catalysts for asymmetric synthesis is mostly overlooked. Our lab proved that photophysical properties of lead halide perovskites already proved for photovoltaics\, also should be of interest in photoredox organic synthesis. Because the key aspects of these two applications are both relying on charge separation and transfer. We demonstrated that perovskites nanocrystals are exceptional candidates as photocatalysts\, not only for fundamental organic reactions but also active for elusive asymmetric organic synthesis. Chiral 1-phenylethylamine (PEA)-hybridized perovskite PEA/CsPbBr3 NC photocatalysts exhibit an enantioselective (up to 99% enantiomer excess) avenue to produce N–C axially chiral N-heterocycles\, i.e.\, N-arylindoles from N-arylamine photo-oxidation. Mechanistic investigation indicated a discriminated prochiral binding of the N-arylamine substrates onto the chiral-NC surface with ca. −2.4 kcal/mol enantiodifferentiation. Our perovskite NC heterogeneous catalytic system not only demonstrates a promising strategy to address the long-term challenges in atroposelective pharmaceutical scaffold synthesis but also paves the road to directly employ chiral solids for asymmetric synthesis.
URL:https://www.chemistry.ucla.edu/events/jeffrey-i-zink-inorganic-chemistry-seminar-series-professor-yong-yan/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231011T160000
DTEND;TZID=America/Los_Angeles:20231011T173000
DTSTAMP:20231004T234836Z
CREATED:20231004T234836Z
LAST-MODIFIED:20231004T234836Z
UID:31137-1697040000-1697045400@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Timothy Johnstone
DESCRIPTION:Prof. Timothy Johnstone Flyer \nTitle:“Synthesis\, Isolation\, and Exploration of the Chemistry of Kinetically-Stabilized Pnictine Oxides” \nAbstract: The light pnictine oxides R 3 NO\, R 3 PO\, and R 3 AsO comprise a well-characterized class of monomeric molecules with a tetrahedral geometry about the pnictogen center. In contrast\, the preparation of the corresponding Sb and Bi species has long proved challenging. For the heavier pnictogens\, reduced orbital overlap with oxygen increases charge separation\, which in turn increases the electrophilicity of the pnictogen and the nucleophilicity of the oxygen. Furthermore\, the heavier pnictogens have an increased propensity to expand their coordination spheres. Consequently\, stibine oxides and bismuthine oxides occur as oligomeric/polymeric materials. We have recently employed a kinetic stabilization strategy to isolate the first example of an unperturbed monomeric stibine oxide. We have examined the electronic structure of the newly isolated stiboryl functional group using a variety of physical and theoretical techniques. These investigations have guided our exploration of the reactivity of this previously inaccessible unsaturated (heavy pnictogen)–oxygen bond
URL:https://www.chemistry.ucla.edu/events/jeffrey-i-zink-inorganic-chemistry-seminar-series-timothy-johnstone/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231010T160000
DTEND;TZID=America/Los_Angeles:20231010T170000
DTSTAMP:20231010T214638Z
CREATED:20231010T212813Z
LAST-MODIFIED:20231010T214638Z
UID:31191-1696953600-1696957200@www.chemistry.ucla.edu
SUMMARY:John D. & Edith M. Roberts Lecture - Soumitra Athavale
DESCRIPTION:Roberts Lecture Flyer
URL:https://www.chemistry.ucla.edu/events/john-d-edith-m-roberts-lecture-soumitra-athavale/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
CATEGORIES:Named Lectureships,Roberts
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231004T160000
DTEND;TZID=America/Los_Angeles:20231004T173000
DTSTAMP:20230926T204312Z
CREATED:20230926T204312Z
LAST-MODIFIED:20230926T204312Z
UID:31103-1696435200-1696440600@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Brandon Jolly and Yi Chen
DESCRIPTION:Flyer: Brandon Jolly and Yi Chen Flyer \nSpeaker: Brandon Jolly \nTitle: Spatial Control in Multi-step\, Multi-catalyst Organometallic Processes \nAbstract: Spatial localization is one method in which biology manages its complex network of multi-step and/or multi-catalyst processes. For example\, encapsulation of enzymes via compartmentalization allows for the efficient generation and utilization of intermediate species along a biochemical pathway. Much work has been devoted to applying compartmentalization for efficient in vitro enzyme cascades both theoretically and experimentally. However\, only recently has attention been given to spatial localization in the context of organometallic catalysis experimentally\, with no theoretical insights. Therefore\, we developed a kinetic model to evaluate and understand the effect compartmentalization may have on a multi-step organometallic process\, such as a typical catalytic cycle. A key design principle born out of this work is that compartmentalization is predicted to benefit organometalic catalysis if diffusion into/out of the compartment is kinetically comparable to\, or slower than the catalytic cycle itself\, which is tunable via compartment morphology. Next\, we then set out to extend the concept of spatial localization in organometallics to multi-catalyst processes. Specifically\, electrocatalytic CO2 reduction integrated to Pd catalyzed polyketone synthesis was chosen as a target multi-catalyst system that may benefit from spatial control. Ultimately\, we demonstrate the generation and consumption of CO from CO2 reduction to co-polymerization with ethylene in one pot\, with external control over %CO incorporation into the polymer via applied current\, which is unattainable without spatial control. \nSpeaker: Yi Chen \nTitle: Generate Gradient in Electrochemical Microfluidic Systems to Investigate P. Aeruginosa Metabolic Regulation Kinetics on Single Cell Level \nAbstract: Comprehending how bacterial metabolism adapts to environmental changes\, like oxygen abundance variation\, is important in microbial ecology and has potential applications in disease treatment and bacterial infection. Previous research primarily centered on the collective regulatory responses in bulk culture study while single-cell level understanding of bacterial regulation kinetics still remains a challenge. To address the challenge\, we developed an electrochemical microfluidic system to generate microscopic oxygen and hydrogen peroxide concentration gradients\, simulating the intricate micrometer-scale environments inhabited by bacteria. Particularly\, we cultivated P. aeruginosa in the generated oxygen gradient and investigated its metabolic regulation kinetics on single-cell level\, specifically with regard to the concentration of adenosine triphosphate (ATP)\, in response to environmental oxygen spatial variation and temporal oscillation.
URL:https://www.chemistry.ucla.edu/events/jeffrey-i-zink-inorganic-chemistry-seminar-series-brandon-jolly-and-yi-chen/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20230920T160000
DTEND;TZID=America/Los_Angeles:20230920T173000
DTSTAMP:20230912T222749Z
CREATED:20230912T222749Z
LAST-MODIFIED:20230912T222749Z
UID:30977-1695225600-1695231000@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Sundargopal Ghosh
DESCRIPTION:Title: “Coordination Chemistry of Diborane(4) and Diborane(6)” \nAbstract: The fascinating aspect of metallaborane chemistry is that several classic organometallic complexes that defined fundamental structural and bonding paradigms are mimicked by many isoelectronic metallaborane analogues.[1] In this connection\, diborane compounds not only mimics several classic organometallic compounds but also they have been extensively explored for the broad understanding of the chemical bonding and catalysis.[2] For example\, we have recently synthesized and structurally characterized a bimetallic diborane(4) which mimics Cotton’s dimolybdenum–alkyne complex [{CpMo(CO)2}2C2H2].[3] Also\, we have isolated the first classical diborane(5) [B2H5]-\, in which the sp2-B center is stabilized by the electron donation from tantalum.[4] Very recently\, we have developed an uncatalysed synthetic pathway to generate the doubly base stabilised symmetrical and unsymmetrical diborane(4) species from the thermolysis reaction of 2-mercaptopyridine with [BH3.THF]. The key results of this work will be described.
URL:https://www.chemistry.ucla.edu/events/jeffrey-i-zink-inorganic-chemistry-seminar-series-sundargopal-ghosh-2/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
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