Weekly meeting

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Upcoming journal club & Progress report schedule

DATE Journal, Progress


2024/01/05 Sona
2024/01/12 Siheon
2024/01/19 Sophea
2024/02/02 Sokhuoy
2024/02/07 Sona
2024/02/16 Siheon
2024/02/23 Sophea


October 20, 2023

Title :Structure at the air/water interface in the presence of phenol: a study using heterodyne-detected vibrational sum frequency generation and molecular dynamics simulation [1]
File:Journal 10.20.2023.pdf
Presenter: Sokhuoy

September 15, 2023

Title :Molecular characteristics of the mixed cationic/anionic collector interface probed by sum-frequency vibrational spectroscopy and molecular dynamics simulations [2]
File:Journal 09.15.2023.pdf
Presenter: Sokhuoy

August 18, 2023

Title :In situ investigation of the oxidation of a phospholipid monolayer by reactive oxygen species [3]
File:Journal 08.18.2023.pdf
Presenter: Sokhuoy

July 21, 2023

Title :Vibrational Sum Frequency Generation by the Quadrupolar Mechanism at the Nonpolar Benzene/Air Interface [4]
File:Journal 07.21.2023.pdf
Presenter: Sokhuoy

June 16, 2023

Title :Stealthy Player in Lipid Experiments? EDTA Binding to Phosphatidylcholine Membranes Probed by Simulations and Monolayer Experiments [5]
File:Journal 06.16.2023.pdf
Presenter: Sokhuoy

May 26, 2023

Title :Phenylalanine intercalation parameters for liquid-disordered phase domains – a membrane model study [6]
File:Journal 05.26.2023.pdf
Presenter: Sokhuoy

April 21, 2023

Title :New Insights into Cation- and Temperature-Driven Protein Adsorption to the Air–Water Interface through Infrared Reflection Studies of Bovine Serum Albumin [7]
File:Journal 04.21.2023.pdf
Presenter: Sokhuoy

March 24, 2023

Title :Magnesium Ion Responses of Zwitterionic Phosphatidylethanolamine Head and Tail Groups Elucidated by Frequency-Resolved SFG-VS [8]
File:Journal 03.24.2023.pdf
Presenter: Sokhuoy

February 10, 2023

Title :Elucidating Trivalent Ion Adsorption at Floating Carboxylic Acid Monolayers: Charge Reversal or Water Reorganization? [9]
File:Journal 02.10.2023.pdf
Presenter: Sokhuoy

January 13, 2023

Title :Molecular Hydration Tunes the Cation–π Interaction Strength in Aqueous Solution [10]
File:Journal 01.13.2023.pdf
Presenter: Sokhuoy


December 16, 2022

Title :The effects of melatonin, serotonin, tryptophan and NAS on the biophysical properties of DPPC monolayers [11]
File:Journal 12.16.2022.pdf
Presenter: Sokhuoy

November 25, 2022

Title :Infrared Reflection−Absorption Spectroscopy of α‑Hydroxyacids at the Water−Air Interface [12]
File:Journal 11.25.2022.pdf
Presenter: Sokhuoy

October 21, 2022

Title :Unraveling Tryptophan Modulated 2D DPPC Lattices: An Approach toward Stimuli Responsiveness of the Pulmonary Surfactant [13]
File:Journal 10.21.2022.pdf
Presenter: Sokhuoy

September 02, 2022

Title: Interaction of alpha-Synuclein with Phospholipids and the Associated Restructuring of Interfacial Lipid Water: An Interface-Selective Vibrational Spectroscopic Study [14]
File:Journal 09.02.2022.pdf
Presenter: Sokhuoy

August 19, 2022

Title: A survey study of concentration dependence of SDS on air/water interface and SDS-salt mixture
File:Journal 08.19.2022.pdf
Presenter: Sokhuoy

July 29, 2022

Title: Contact Ion Pair Formation Is Not Necessarily Stronger [15]
File:Journal 07.29.2022.pdf
Presenter: Sokhuoy

July 02, 2022

Title: Specific Ion Effects of Trivalent Cations on the Structure and Charging State of β-Lactoglobulin Adsorption Layers [16]
File:Journal 07.02.2022.pdf
Presenter: Sokhuoy

June 04, 2022

Title: Isoelectric Points of Proteins at the Air/Liquid Interface and in Solution [17]
File:Journal 06.04.2022.pdf
Presenter: Sokhuoy

May 07, 2022

Title: DNA-Induced Restructuring of Interfacial Water and the Hydrocarbon Chain of Different Forms of Fungicide at the Water Interface: Vibrational Sum Frequency Generation Study [18]
File:Journal 05.07.2022.pdf
Presenter: Sokhuoy

April 02, 2022

Title: (1)Protonation State of Dopamine Neurotransmitter at the Aqueous Interface: Vibrational Sum Frequency Generation Spectroscopy Study [19] (2) Salting-Up of Surfactants at the Surface of Saline Water as Detected by Tensiometry and SFG and Supported by Molecular Dynamics Simulation [20]
File:Journal 04.02.2022.pdf
Presenter: Sokhuoy

March 05, 2022

Title: DNA-Induced Reorganization of Water at Model Membrane Interfaces Investigated by Heterodyne-Detected Vibrational Sum Frequency Generation Spectroscopy [21]
File:Journal 05.03.2022.pdf
Presenter: Sokhuoy

Feb 05, 2022

Title: Chemical Potential Driven Reorganization of Anions between Stern and Diffuse Layers at the Air/Water Interface [22]
File:Journal 05.02.2022.pdf
Presenter: Sokhuoy

Jan 08, 2022

Title: Role of Hydration in Magnesium versus Calcium Ion Pairing with Carboxylate: Solution and the Aqueous Interface [23]
File:Journal 08.01.2022.pdf
Presenter: Sokhuoy


Dec 04, 2021

Title: Interfacial Structure and Interfacial Tension in Model Carbon Fiber-Reinforced Polymers [24]
File:Journal 04.12.2021.pdf
Presenter: Sokhuoy

Oct 30, 2021

Title: Organic Enrichment at Aqueous Interfaces Cooperative Adsorption of Glucuronic Acid to DPPC Monolayers Studied with Vibrational Sum Frequency Generation [25]
File:Journal 30.10.2021.pdf
Presenter: Sokhuoy

Sep 25, 2021

Title: (1)Vibrational sum-frequency generation at protein modified air–water interfaces: Effects of molecular structure and surface charging [26] (2) Mixed Layers of β‑Lactoglobulin and SDS at Air−Water Interfaces with Tunable Intermolecular 
File:Journal 25.09.2021.pdf
Presenter: Sokhuoy

Aug 20, 2021

Title: Partially Hydrated Electrons at the Air Water Interface Observed by UV-Excited Time-Resolved Heterodyne-Detected Vibrational Sum Frequency Generation Spectroscopy [28]
File:Journal 20.08.2021.pdf
Presenter: Sokhuoy

July 16, 2021

Title: Melatonin directly interacts with cholesterol and alleviates cholesterol effects in dipalmitoylphosphatidylcholine monolayers [29]
File:Journal 16.07.2021.pdf
Presenter: Sokhuoy

June 11, 2021

Title: Molecular-level origin of the carboxylate head group response to divalent metal ion complexation at the air–water interface [30]
File:Journal 11.06.2021.pdf
Presenter: Sokhuoy

May 07, 2021

Title: Interactions between model cell membranes and the neuroactive drug propofol [31]
File:Journal 07.05.2021.pdf
Presenter: Sokhuoy

Apr 23, 2021

Title: Ewald-Oseen Extinction Theorem by H Serhat Tetikol [32]
Presenter: Sona

Apr 02, 2021

Title: (1)Restructuring of membrane water and phospholidpids in direct interaction of neurotransmitters with model membranes associated with synaptic signaling: Interface-selective vibrational sum frequency generation study [33]
File:Journal 02.04.2021.pdf
Presenter: Sokhuoy

Mar 19, 2021

Title: Influence of the Experimental Geometry in the Spectral Shape and Enhancement.[34]
File:2021.03.19--Effect of Geometry SFG Solid liquid interface.pdf

Presenter: Sona

Feb 10, 2021

Title: An SFG Study of Interfacial Amino Acids at the Hydrophilic SiO2 and Hydrophobic Deuterated Polystyrene Surfaces.[35]
File:2021.02.10 - PS-quartz on Amino acid interface.pdf

Presenter: Sona

Jan 22, 2021

Title: (1)Interfacial supramolecular structures of amphiphilic receptors drive aqueous phosphate recognition.[36]
       (2)Molecular recognition and hydration energy mismatch combine to inform ion binding selectivity at aqueous interfaces.[37]
File:Journal 22.01.2021.pdf

Presenter: Sokhuoy

Jan 08, 2021

Title: Cation Pi interaction by Dougherty 2013. [38]
File:2021.01.08--Cation Pi interaction by Dougherty 2013.pdf

Presenter: Sona


Dec 11, 2020

Title: Effect of cations on the dissociation of Arachidic acid monolayers on water studied by polarization-modulated infrared reflection-absorption spectroscopy
File:Journal 11.12.2020.pdf

Presenter: Sokhuoy

Dec 04, 2020

Title: Anion specific effects at negatively charged interfaces

Presenter: Sona

Nov 20, 2020

Title: Background study of cation-pi interaction
File:Journal 20.11.2020.pdf

Presenter: Sokhuoy

Oct 30, 2020

Title: Resolving the Controversy over Dipole versus Quadrupole Mechanism of Bend Vibration of Water in Vibrational Sum Frequency Generation Spectra

Presenter: Sona

OCT 08, 2020

Title: pH-Dependent inversion of Hofmeister trends in the water structure of electrical double layer
Presenter: Sokhuoy

Sep 25, 2020

Title: Interfacial water in the vicinity of a positively charged interface studied by steady-state and time-resolved heterodyne-detected vibrational sum frequency generation

Presenter: Sona

Aug 28, 2020

Title: Effects of Monolayer Density and Bulk Ionic Strength on Acid-Base Equilibria at the Air/Water Interface

Presenter: Sona

June 19, 2020

Title: Direct Measurement of Charge Reversal on Lipid Bilayers Using Heterodyne-Detected Second Harmonic Generation Spectroscopy

Presenter: Sona

May 29, 2020

Title: Direct Quantification of Water Surface Charge by Phase-Sensitive Second Harmonic Spectroscopy

Presenter: Sona

May 01, 2020

Title: A General Approach To Combine the Advantages of Collinear and Noncollinear Spectrometer Designs in Phase-Resolved Second-Order Nonlinear Spectroscopy

Presenter: Sona

Mar 21, 2020

Title: Consistency in the Sum Frequency Generation Intensity and Phase Vibrational Spectra of the Air/Neat Water Interface

Presenter: Sona


Dec 20, 2019

Title: Characterization of Acid–Base Interactions Using Interface-Sensitive Sum Frequency Generation Spectroscopy

Presenter: Sona

Nov 20, 2019

Title: Probing Charged Aqueous Interfaces Near Critical Angles: Effect of Varying Coherence Length

Presenter: Sona

Oct 11, 2019

Title: Ultrabroadband mid-infrared noncollinear difference frequency generation in a silver thiogallate crystal

Presenter: Sona

Sep 11, 2019

Title: Capturing the Ultrafast Vibrational Decoherence of Hydrogen Bonding in Interfacial Water

Presenter: Sona

Aug 19, 2019

Title: Effect of hydrogen-bond on ultrafast spectral diffusion dynamics of water at charged monolayer interfaces

Presenter: Sona

July 29, 2019

Title: Arginine–Phosphate Recognition Enhanced in Phospholipid Monolayers at Aqueous Interfaces

Presenter: Sona

July 13, 2019

Title: A newcomer’s guide to ultrashort pulse shaping and characterization

Presenter: Sona

May 17, 2019

Title: Saturation of charge-induced water alignment at model membrane surfaces

Presenter: Sona

April 27, 2019

Title: Phase-Sensitive Sum-Frequency Generation Measurements Using a Femtosecond Nonlinear Interferometer

Presenter: Sona

Feb 23, 2019

Title: Flexible high-resolution broadband sum-frequency generation vibrational spectroscopy for intrinsic spectral line widths

Presenter: Sona

Dec 15, 2018

Title: Interfacial water structure at surfactant concentrations below and above the critical micelle concentration as revealed by sum frequency generation vibrational spectroscopy

Presenter: Sona

May 05, 2018

Title: Bulk contributions modulate the Sum-Frequency Generation Spectra of Interfacial Water on Model Sea-Spray Aerosols 

File:Journal 05.05.2018.pdf

Presenter: K.Sona

April 11, 2018

Title: Compact, high-repetition-rate source for broadband sum-frequency generation spectroscopy

File:Journal meeting 11-April-2018.pdf

Presenter: K.Sona

December 26, 2017

Title: Effect of salt purity on interfacial water orientation and Na+/Carboxylic headgroup interaction


Presenter: K.Sona

December 09, 2017

Title: Effect of Cations on the Dissociation of Arachidic Acid Monolayers on Water Studied by Polarization-Modulated Infrared Reflection-Absorption Spectroscopy

File:Journal Club 2017.December.09.pdf

Presenter: K.Sona

October 30, 2017

Title: Optical Parametric Amplification

File:Journal Club 30-10-2017 Optical Parametric Amplification.pdf

Presenter: K.Sona

September 09, 2017

Title: Fourier-transform sum-frequency surface vibrational spectroscopy with femtosecond pulses [https://doi.org/10.1364/OL.24.001877]

File:JC 09.September. 2017.pdf

Presenter: K.Sona

May 27, 2017

Title: Molecular conformation of DPPC phospholipid Langmuir and Langmuir–Blodgett monolayers studied by heterodyne-detected vibrational sum frequency generation spectroscopy [http://pubs.rsc.org/en/content/articlehtml/2017/cp/c6cp07800a]

File:Molecular conformation of DPPC.pdf

Presenter: K.Sona

April 24, 2017

Title: Change of the isoelectric point of hemoglobin at the air/water interface probed by the orientational flip-flop of water molecules [https://dx.doi.org/10.1039/C6CP08854F]

File:Journal Club 22-04-2017 slide.pdf

Presenter: K.Sona

March 04, 2017

Title: Weakly Hydrogen-Bonded Water Inside Charged Lipid Monolayer Observed with Heterodyne-Detected Vibrational Sum Frequency Generation Spectroscopy [http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.6b09229]

File:Journal Club 04-03-2017.pdf

Presenter: K.Sona

January 07, 2017

Title: Progress Report" Optical Alignment" AND " Gain+Phase matching calculation of BBO I and BBO II in OPA system of fs set up"

File:Optical Alignment Pre OPA and OPA.ppt
File:Gain and Phase matching calculation of BBO I and II in OPA.pdf

Presenter: K.Sona

December 31, 2016

Title: Comparative Study of Direct and Phase-Specific Vibrational Sum-Frequency Generation Spectroscopy: Advantages and Limitations [http://pubs.acs.org/doi/abs/10.1021/jp2079023]

File:Journal Club 31.12.2016.pdf

Presenter: K.Sona

Nov 26

Title: Nanoconfinement's dramatic impact on proton exchange between glucose and water  
Presenter: S.C. Cha

Nov 12

Title: Theory of Quadrupole Contributions from Interface and Bulk in Second-Order Optical Processes [http://www.journal.csj.jp/doi/abs/10.1246/bcsj.20120167]

File:Saturday Nov 12, 2016 - section 1 and 2.ppt
File:Saturday Nov 12, 2016 - section 3.ppt
File:Saturday Nov 12, 2016 - section 4.ppt
File:Saturday Nov 12, 2016 - section 5 and 6.ppt

Presenter: Sona Krem

Oct 1

Title: TBA  
Presenter: J.J. Lee

Oct 8

Title: TBA  
Presenter: J.J. Lee

Oct 15

Title: Spatio-temporal characterization of mid-infrared laser pulses with spatially encoded spectral shearing interferometry  
Presenter: Woongmo Sung

September 2016

Sep 3

Title: TBA  
Presenter: Krem Sona

Sep 12

Title: FTIR study of ion solvation and ion-pair formation in alkaline and alkaline earth metal salt solutions in acetonitrile  
Presenter: S. C. Cha

Sep 24

Title: TBA  
Presenter: Krem Sona

August 2016

Aug 27

Title: Self-Assembly of DNA Functionalized Gold Nanoparticles at the Liquid-Vapor Interface  
Presenter: Woongmo Sung

Aug 20

Title: Surface pH and Ion Affinity at the Alcohol-Monolayer/Water Interface Studied by Sum-Frequency Spectroscopy
Presenter: Zaure Avazbaeva

Aug 13

Title: Bend Vibration of Surface Water Investigated by Heterodyne-Detected Sum Frequency Generation and Theoretical Study: Dominant Role of Quadrupole
Journal link: http://pubs.acs.org/doi/abs/10.1021/acs.jpclett.6b00657
Presenter: Jonggwan Lee

Aug 6

Title: TBA  
Presenter: Uno Song

July 2016

Jul 30

Title: TBA  
Presenter: Jaejin Lee

Jul 22

Title: Interaction between ionic liquid cation and water: infrared predissociation study of [bmim]+(H2O)n clusters
Presenter: Sunchul Cha

Jul 16

Title: TBA  
Presenter: Krem Sona

Jul 2

Title: Phase Reference in Phase-Sensitive Sum-Frequency Vibrational Spectroscopy  
Presenter: Woongmo Sung

June 2016

Jun 25

Title: Cations Bind Only Weakly to Amides in Aqueous Solutions  
Presenter: Zaure Avazbaeva

Jun 18

Title: TBA
Presenter: Uno Song

Jun 11

Title: TBA  
Presenter: Jaejin Lee

Jun 4

Title: Rehearsal for master thesis defense
Presenter: Jonggwan Lee

May 2016

May 28

Title: Sinchon Solid State Physics Workshop
Presenter: Sunchul Cha

May 21

Title: Second Harmonic and Sum-frequency Generation from Aqueous Interfaces is modulated by Interference
Presenter: Woongmo Sung

May 14

Title: TBA  
Presenter: Adam Turner

May 7

Title: TBA  
Presenter: Krem Sona

April 2016

Apr 30

Title: Ionic Binding of Na+ versus K+ to the Carboxylic Acid Headgroup of Palmitic Acid Monolayers Studied by VSFG Spectroscopy  
Presenter: Zaure Avazbaeva

Apr 25

Title: Ultrafast Photoluminescence from Graphene
Journal link: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.105.127404
Presenter: Jonggwan Lee

Apr 9

Title: TBA  
Presenter: Jaejin Lee

Apr 1

Title: Vibrational Stark Effect on CN mode  
Presenter: Sunchul Cha

March 2016

Mar 26

Title: Proton Availability at the Air/water Interface  
Presenter: Woongmo Sung

Mar 19

Title: TBA  
Presenter: Adam Turner

Mar 12

Title: TBA  
Presenter: Yoonnam Jeon

Mar 5

Title: Effect of the Degree of Dissociation of Molecules in a Monolayer at an Air/Water Interface on the Force Between the Monolayer and a Like-Charged Particle in the Subphase  
Presenter: Zaure Avazbaeva

February 2016

Feb 24

Title: Polymer Adsorption on Graphite and CVD Graphene Surfaces Studied by Surface-Specific Vibrational Spectroscopy
Journal link: http://pubs.acs.org/doi/full/10.1021/acs.nanolett.5b02025
Presenter: Jonggwan Lee

Feb 20

Title: TBA  
Presenter: Jaejin Lee

Feb 13

Title: Hydrophobic IL  
Presenter: Sunchul Cha

Feb 5

Title: Unveiling Microscopic Structure of Charged Interfaces by Surface-Specific Vibrational Spectroscopy  
Presenter: Woongmo Sung

January 2016

Jan 30

Title: TBA  
Presenter: Adam Turner

Jan 23

Title: Droplet polydispersity and shape fluctuations in AOT microemulsions  
Presenter: Yoonnam Jeon

Jan 16

Title: Phospholipid monolayer/water interfacese  
Presenter: Zaure Avazbaeva

Jan 9

Title: Graphene on Mica - Intercalated Water Trapped for Life 
Journal link: http://www.nature.com/articles/srep06003
Presenter: Jonggwan Lee

weekly meeting 2015

weekly meeting 2014

weekly meeting 2013

weekly meeting 2012

weekly meeting 2011

weekly meeting 2010

weekly meeting 2009

weekly meeting 2008

files presentated before 2008 can be found in SMOSFTP.

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