9th International Mesostructured Materials Symposium, Brisbane, Australia
Talk: “Collagen hydrogel preparation method and embryonic stem cell behavior”

SPIE , European Conferences on Biomedical Optics, Novel Biophotonics Techniques and Applications III, Munich, Germany
Poster: “Second harmonic generation (SHG) and two-photon fluorescence (TPF) contrast imaging in biomaterial analysis”

SPIE Photonics West, BioSci., Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues, San Francisco, CA
Talk: “Second harmonic generation (SHG) imaging demonstrates a strong dependence of the structure of collagen hydrogel on the ion type and concentration”

AVS PacSurf 2014, Biomaterial & Wet Interface Characterization, Kohala Coast, HI
Talk: “3D Collagen-Based Biomaterials Assembly: Novel Insights from Advanced Optical Characterization”

American Chemical Society Meeting (ACS), Spectroscopic and Imaging Methods in Interfacial Phenomena, San Francisco, CA
Talk:”Multiphoton microscopy optical imaging reveals many different structural features of fibrous collagen hydrogels in situ”

15th UC Wide Bioengineering Symposium, Biophotonics and Optical Imaging Systems, UC Irvine, CA
Invited Talk: “Mapping in situ the microstructure within collagen systems”

AAAS Pacific Division’s 95th Annual Meeting, UC Riverside, CA
Invited Talk: “In-situ advanced optical spatiotemporal analysis of collagen systems”

Materials Research Society (MRS) Annual Meeting, San Francisco, CA; Poster: “Optical Spatiotemporal Characterization of Collagen Systems”

SPIE Photonics Europe, Multiphoton Microscopy - Biophotonics: Photonic Solutions for Better Health Care, Brussels, Belgium
Invited Paper: “Collagen bioengineered systems: in situ advanced optical spatiotemporal analysis”

CEPCEB Annual Symposium, UC Riverside, Riverside, CA
Invited Technology Talk: “Multiphoton Optical Image Guided Spectroscopy for in situ Noninvasive Analysis of Thick Tissues”

University of California, Riverside, Riverside, CA; Talk: ”Proteins: mechanistic and structural studies using optical spectroscopy and imaging” Invited guest speaker in Intro to BioEngineering Class

AVS 60th International Symposium and Exhibition, Evolving In Situ Microscopic and Spectroscopic Techniques and Applications, CA
Talk: “Changes to the microstructure of fibrous collagen hydrogels formed under different physicochemical parameters and upon cross-linking with non-toxic reagents are detected with in situ multiphoton microscopy Imaging”

Chaffey College, Rancho Cucamonga, CA October 2013; Talk: “Bioengineering and optical spectroscopy and imaging technologies” Invited guest speaker in Intro to Engineering Class

Safariland, UC Riverside, CA
Talk: “Deep tissue microstructural analysis with multiphoton microscopy and novel optical contrast development”

American Chemical Society Meeting (ACS), New Frontiers and Challenges in Biomaterials Analysis, New Orleans, LA
Talk:” Micro-structural characterization of fibrous collagen hydrogels by two-photon fluorescence (TPF) and second harmonic generation (SHG) imaging”

SPIE Photonics West, BioSci., Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues, San Francisco, CA
Poster: “Microscopic imaging of glyceraldehyde-induced tissue glycation with intrinsic second harmonic generation and two-photon fluorescence”

SPIE Photonics West, BioSci., Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues, San Francisco, CA
Poster: “The microstructure of collagen hydrogels has a very strong effect on differentiation of embryonic stem cells”

Talk: “Embryonic Stem Cell Differentiation into a Neural Lineage upon Contact with Collagen 3D Hydrogels of Different Microstructure: Multi-photon Microscopy (MPM) Study"

Biomedical Engineering Society Meeting, Atlanta, GA
Poster: “The Effects of Collagen Hydrogels on Embryonic Stem Cells Differentiating into the Neuronal Lineage”

Talk: ”Proteins: mechanistic and structural studies using optical spectroscopy and imaging,” invited guest speaker in Intro to Engineering Class

American Chemical Society Meeting (ACS), San Diego, CA
Talk: “Multiscale and multimodality characterization of collagen hydrogels cross-linked with zero versus non-zero linkers”

Biophysical Society Meeting, San Diego, CA
Poster: “The effects of zero-length and non-zero length cross-linking reagents on the optical spectral properties and structures of collagen hydrogels”

SPIE Photonics West, BioSci., Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues, San Francisco, CA
Talk: “Effects of cross-linkers on optical spectral properties and nano/microstructure of collagen hydrogels”

MorphoTrak, LLC, Anaheim, CA; Talk: "The feasibility of using genipin for latent fingerprint collection." - During our biomedical studies of genipin as a cross-linking reagent for a collagen hydrogel, we discovered that fluorescence can be greatly enhanced using filtered UV light.

Talk:” Effects of Different Length Cross-Linking Reagents on the Optical Spectral Properties and Structures of Collagen Hydrogels."

Talk:” Characterizing Collagen Hydrogels for Tissue Engineering Applications”

SPIE Photonics West, BioSci., Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues, San Francisco, CA
Talk: “Characterizing collagen-based materials modified by glycation: a multiphoton optical image guided spectroscopy method”

Beckman Laser Institute, LAMMP Seminar, UC Irvine, Irvine, CA,
Invited Talk: “Natural Materials Design: Engineering Materials that Work”

First Annual Meeting of Principal Investigators (PIs) in the National Science Foundation (NSF) Broadening Participation Research Initiation Grants (BRIGE) Program, Washington DC
Poster: “Towards the in-situ analysis of the assembly of structural proteins by multi-photon optical image guided spectroscopy”

American Chemical Society Meeting (ACS), Washington DC
Talk: “Multiphoton optical microscopy characterization of fibrillar collagen I structural states”

Biophotonics seminar, UC San Diego, San Diego, CA
Invited Seminar: “Structural and mechanistic studies of protein-based materials with optical microscopy and with imaging”

Department of Chemistry, UC Riverside, Riverside, CA
Invited Seminar: “Proteins: from molecules to tissues”

American Chemical Society Meeting (ACS), Philadelphia, PA
Invited Talk: “Understanding Cellular Responses: Multi-photon imaging of actin filament formation and mitochondrial energetics of ACBT gliomas”

American Chemical Society Meeting (ACS), Philadelphia, PA
Invited Talk: “Dermal Structural Assembly in normal and pathological connective tissues by intrinsic signal multi-photon microscopy”

9th Annual Bioengineering Symposium, UC Riverside, CA
Poster: “Understanding Cellular Responses: Multi-photon imaging of actin filament formation and mitochondrial energetics of ACBT gliomas”

SPIE Photonics West, BioSci., Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues, San Francisco, CA
Invited Paper: “Characterization of dermal structural assembly in normal and pathological connective tissues by intrinsic signal multiphoton optical microscopy”

Cell, molecular and developmental biology program, UC Riverside, Riverside, CA
Graduate Seminar: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

Department of Biochemistry, mSTART, UC Riverside, Riverside, CA
Graduate Seminar: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

Spectra-Physics Division at Newport Corporation, Irvine, CA
Talk: “Probing protein structures using optical spectroscopy and imaging: implications in disease, biomaterials and nanotechnology”

The Institute for Ultrafast Spectroscopy and Lasers at City University of New York, New York, NY
Talk: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

8th UC Wide Bioengineering Symposium, San Francisco, CA
Poster: “Probing protein structures using optical spectroscopy and imaging: implications in disease, biomaterials and nanotechnology”

Beckman Institute Laser Resource Center (BILRC) at Caltech, Pasadena, CA
Talk: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

Department of Bioengineering, External Board of Advisors Meeting, UC Riverside, CA
Talk: “The BI Laboratory | Bio-Spectroscopy and Imaging at BioE/UCR”

Harrington Department of Bioengineering at Arizona State University, Tempe, AZ
Talk: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

Biotechnology Institute/Center for Biosystems Research and Bioengineering Department at University of Maryland, Maryland, MD
Talk: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

Department of Bioengineering, Stanford Biodesign, Stanford BIOX at Stanford University, Stanford, CA
Talk: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

Department of Bioengineering at University of California Riverside, Riverside, CA
Talk: “Proteins: mechanistic and structural studies using optical spectroscopy and imaging”

Laser Microbeam and Medical Program, External Advisory Board Meeting, Beckman Laser Institute, UC Irvine, Irvine, CA
Poster: “Intrinsic reflectance multi-photon optical tomography of connective tissues in normal and genetically altered states”

Minimally Invasive Surgical Technologies Institute, Cedars Sinai, Los Angeles, CA
Talk: “Developing optical tools to look at biological systems”

Hewitt Medical Fellowship Symposium, Newport Beach, Newport, CA
Talk: “Developing optical tools to look at biological systems”

American Chemical Society Meeting (ACS), San Francisco, CA
Poster: “Optical imaging of mitochondrial bioenergetics”

American Chemical Society Meeting (ACS), San Francisco, CA
Poster: “Visualizing pathologies in a transgenic mouse model using nonlinear microscopy”

Molecular Imaging, 5th Annual Meeting, Hawaii, HI
Poster: “Intrinsic reflectance multi-photon optical tomography of connective tissues in normal and genetically altered states”

Department of Ophthalmology/UC Irvine, Orange, CA
Talk: “Developing optical tools to look at biological systems”

Laser Microbeam and Medical Program, External Advisory Board meeting, Beckman Laser Institute, UC Irvine, Irvine, CA
Poster: “Optical imaging of mitochondrial bioenergetics”

Burroughs Wellcome Fund “Career Award at the Scientific Interface” competition, Research Triangle Park, NC
Talk: “Optical imaging of mitochondrial bioenergetics”

SPIE Photonics West, BioSci., Multi-photon microscopy
Talk: “Corneal damage revealed by endogenous cellular fluorescence and second harmonic signals from collagen”

Laser Microbeam and Medical Program, External Advisory Board meeting, Beckman Laser Institute, UC Irvine, Irvine
Poster: “Corneal damage revealed by endogenous cellular fluorescence and second harmonic signals from collagen”

Molecular Imaging, 3rd Annual Meeting, St. Louis, MO

Molecular Imaging 3, 241, 2004
Poster and Young Investigator Travel Award: “Intrinsic cellular fluorescence and second harmonic signals from collagen in corneal fibrosis“

Hewitt Medical Fellowship Symposium, Newport Beach, Newport, CA
Talk: “Nonlinear optical microscopy: keloid tumors treatment with a radiofrequency device”

Beckman Laser Institute, University of California at Irvine, Irvine, CA
Talk: “Mapping the Cytochrome c Folding Landscape”

Aerospace Corporation, Los Angeles, CA
Talk: “Mapping the Cytochrome c Folding Landscape”

Gordon Research Conference, Protein Folding Dynamics, Ventura Beach, Ventura, CA
Poster: “Mapping the Cytochrome c Folding Landscape”

International Conference on Bioinorganic Chemistry (ICBIC), Florence, Italy; J. Inorg. Biochem. 86: (1) 322  2001
Poster: “Real-time folding dynamics of S-cerevisiae iso-1 cytochrome c”

American Chemical Society Meeting (ACS), San Diego, CA

Abstr. Pap. Am. Chem. S. 221: U718 Part 1 2001
Poster: “Protein folding probed by fluorescence decay kinetics”

American Chemical Society Meeting (ACS), San Francisco, CA;  Abstr. Pap. Am. Chem. S. 219: U851 Part 1 2000
Poster: “Protein folding probed by fluorescence decay kinetics”

Brookhaven National Laboratory, Long Island, NY
Talk: “Cytochrome c folding probed by fluorescence”

International Conference on Bioinorganic Chemistry (ICBIC), Minneapolis, USA; J. Inorg. Biochem. 74: (1) 216  1999
Poster: “Redox-triggered folding of ferrocytochrome c probed by fluorescence”

Southern California Inorganic Photochemistry Conference, Catalina Island, CA
Talk: “Metal triggered folding of zinc-finger proteins.”

Undergraduate Research Conference, New York University, New York, NY
Talk: “Evidence for surface-mediated decomposition of benzene on the Si (100) surface at elevated temperatures”

NSF REU Symposium, Department of Chemistry, University of Southern California, CA
Poster: “Purification and crystallization of the anticancer antibiotic Bleomycin”

28th Annual UC Riverside Biochemistry and Molecular Biology Wedding Research Symposium, UC Riverside, CA
Talk: “The Effect of Genipin “Age” on Genipin Crosslinked Collagen (GCC) Hydrogel’s Optical, Microstructure and Mechanical Properties," Xuye Lang* and Julia Lyubovitsky

27th Annual UC Riverside Biochemistry and Molecular Biology Research Symposium, UC Riverside, CA
Talk: “Detecting the microstructure and degradation of collagen hydrogels prepared under different conditions by second Harmonic Generation (SHG) Microscopy,” Xuye Lang* and Julia G. Lyubovitsky

American Chemical Society Meeting (ACS), General Papers/New Concepts in Polymeric Materials, San Francisco, CA
Talk:”Detecting the effect of ions on the microstructure formation of collagen hydrogel,” Xuye Lang* and Julia Lyubovitsky

15th UC Wide Bioengineering Symposium, Irvine, CA
Poster: “Exploring the spectral properties of genipin reagent and its reactions with collagen,” Yu Jer Hwang,* Xuye Lang,** Anh Vu,** Julia Lyubovitsky

15th UC Wide Bioengineering Symposium, Irvine, CA
Talk: “Evaluation of collagen hydrogel preparation method on embryonic stem cell behavior”
Yu Jer Hwang, Xuye Lang, Matthew Spousta** and Julia Lyubovitsky

15th UC Wide Bioengineering Symposium, Irvine, CA
Poster: “Fructation and Cross-linking of Collagen Hydrogels,” Yu Jer Hwang, Xuye Lang, Joseph Granelli, Cassandra C. Turgman, Jackie Gigante** and Julia G. Lyubovitsky

15th UC Wide Bioengineering Symposium, Irvine, CA
Talk: “Microstructural features of the collagen hydrogels prepared with different ions are revealed by second harmonic generation (SHG) imaging,” Xuye Lang* and Julia G. Lyubovitsky

AVS 60th International Symposium and Exhibition, Biomolecules at Aqueous Interfaces Focus Topic, Long Beach, CA
Talk: “Probing the Effects of Different Ions on the Formation of Microstructure Within Collagen Hydrogels by Second Harmonic Generation (SHG) Microscopy,” Xuye Lang* and Julia Lyubovitsky

26th Annual UC Riverside Biochemistry and Molecular Biology Research Symposium (Best Poster Award),,UC Riverside, CA
Poster: “Probing the Effects of Different Ions on the Formation of Microstructure Within Collagen Hydrogels by Second Harmonic Generation (SHG) Microscopy,” Xuye Lang* and Julia Lyubovitsky

ACS Colloids and Surface Science Symposium, UC Riverside, CA
Talk: “In-situ multi-photon microscopy characterization of the effect of ionic strength on collagen fiber formation within hydrogels,” Xuye Lang* and Julia Lyubovitsky

14th Annual UC Wide Bioengineering Symposium, San Diego, CA
Talk: The research of microstructure of collagen hydrogel under different ionic strengths,” Xuye Lang* and Julia Lyubovitsky

Wound Healing Society (WHS) (submitted) "Assessment of burn wound tissue in situ by multiphoton microscopy employing fluorescence and second harmonic generation contrasts in live animals," João P. Silva, Sandep Dhall, Manuela Martins-Green and Julia G. Lyubovitsky

Americal Chemical Society Meeting (ACS), San Diego CA
Talk: “Raman spectroscopy detects non-enzymatically induced cross-links within collagen hydrogels,” Yu-Jer Hwang*,and Julia Lyubovitsky

Americal Chemical Society Meeting (ACS), San Diego CA
Poster: ”Assembling collagen hydrogels in presence of copolymers,“Joseph E. Granelli,** Yu Jer Hwang,* Julia G. Lyubovitsky

ASM West Symposium on Biomaterials, Medical Devices and Tools: Challenges with Design, Fabrication and Testing, UC Irvine, CA (Best Poster Presentation Award)
Poster: “Characterizing the effect of genipin crosslinking on the optical properties and structures of collagen hydrogels,” Yu-Jer Hwang,* Tatiana B. Krasieva and Julia Lyubovitsky

ASM West Symposium on Biomaterials, Medical Devices and Tools: Challenges with Design, Fabrication and Testing, UC Irvine, CA
Poster: ”The effect of hyaluronic acid copolymer on the assembly kinetics and structures within collagen hydrogels,” Joseph Granelli,** Yu-Jer Hwang* and Julia G. Lyubovitsky

NSF IGERT on Video Bioinformatics, Second Fall Retreat 2011, UC Los Angeles Conference Center, Lake Arrowhead, CA
Poster: “Using Fluorescent Hydrogel Scaffolds for Stem Cell Culture,” Jillian Larsen,* Yu-Jer Hwang,* Nicole zur Nieden and Julia Lyubovitsky

12th Annual UC Wide Bioengineering Symposium, Santa Barbara, CA
Poster: “The effect of genipin crosslinking on the micro- and nano- structure of collagen hydrogels,” Yu-Jer Hwang,* Tatiana B. Krasieva and Julia Lyubovitsky

American Chemical Society Meeting (ACS), Anaheim, CA
Poster: “Multi-photon optical image guided spectroscopy for characterization of collagen materials modified by genipin,” Yu-Jer Hwang* and Julia Lyubovitsky

Glial-Neuronal Interactions Symposium, UC Riverside, CA
Poster: “Multi-photon optical imaging of actin filament formation and mitochondrial energetics in Human ACBT gliomas” Yu-Jer Hwang,* Nomiki Kolettis,* Miso Yang,** Elizabeth R. Gillard, Edgar Sanchez,** Chung-ho Sun, Bruce J. Tromberg, Tatiana B. Krasieva and Julia G. Lyubovitsky

11th Annual UC Wide Bioengineering Symposium, Davis, CA
Poster: “Multi-photon optical image guided spectroscopy for characterization of fibrillar collagen materials modified by glycation,” Yu-Jer Hwang* and Julia Lyubovitsky

11th Annual Cell, Molecular, and Developmental Biology Research Symposium UC Riverside, CA (Outstanding Research Presentation)
Talk: “Multi-photon optical image guided spectroscopy for characterization of fibrillar collagen materials modified by glycation,” Yu-Jer Hwang* and Julia Lyubovitsky

American Chemical Society Meeting (ACS), San Francisco, CA
Talk: “Multi-photon optical image guided spectroscopy for characterization of fibrillar collagen materials modified by glycation,” Yu-Jer Hwang* and Julia Lyubovitsky

American Chemical Society Meeting (ACS), San Francisco, CA
Poster: “Multi-photon optical image guided analysis to characterize collagen and gelatin materials modified by glycation,” Yu-Jer Hwang,* Nomiki Kollettis* and Julia Lyubovitsky

10th Annual UC Wide Bioengineering Symposium, Merced, CA
Talk: “Multi-photon optical microscopy of actin filaments and mitochondrial bioenergetics of ACBT human grade IV glioblastoma cells migrating within 3-D collagen-based hydrogels,” Miso Yang,** Yu-Jer Hwang,* Edgar Sanchez,** Chung-ho Sun, Tatiana B. Krasieva, Bruce J. Tromberg and Julia Lyubovitsky

10th Annual UC Wide Bioengineering Symposium, Merced, CA
Talk: “Towards methodology to characterize fibrillar collagen assembled in vitro under different initial conditions,” Yu-Jer Hwang* and Julia Lyubovitsky

American Chemical Society Meeting (ACS), Salt lake City, UT
Talk: “Collagen biomaterial assembly at different temperatures and initial concentrations,” Yu-Jer Hwang* and Julia Lyubovitsky

Southern California Society for Microscopy and Microanalysis Symposium, UC Los Angeles, CA
Poster: “Multi-scale and multi-modality approach to characterize structural features of fibrillar collagen formed at different initial concentrations,” Yu-Jer Hwang,* Miso Yang** and Julia Lyubovitsky

American Chemical Society Meeting (ACS), Philadelphia, PA
Talk: “Correlation of non-liner optical signals to collagen bioengineered models,” Yu-Jer Hwang* and Julia Lyubovitsky

9th Annual UC Wide Bioengineering Symposium, UC Riverside, CA
Talk: “Correlation of non-liner optical signals to collagen bioengineered models,“ Yu-Jer Hwang* and Julia Lyubovitsky

UC Riverside NSF BRITE Symposium, UC Riverside, CA
Talk: “Development of a photo-multiplier tube thermal cooling device,” Yasmine Salas** and Julia Lyubovitsky