* presenting author

2024

​[103]     The role of rheology in the art and science of food product development

Ma. Myrelle S. Quiambao*, Danilo D.V. Laplana Jr., Angelica G. Jancon, Grace Marie H. Dizon, Henry C. Siy, 

Sonia D. Salvador, David P. Penaloza Jr.

38th Philippine Chemistry Congress and the International Conference on Chemistry (38PCC&2024IC2), (July 22-24, 2024), Davao City, Philippines

[102]     Exploring the potential of natural clays as dispersants for organic pigments

Joshua C. Castillo and David Penaloza Jr.*

DLSU Research Congress 2024 (DLSU ResCon 2024), (June 20-22, 2024), Manila, Philippines 

2023

[101]     Clay-assisted stabilization of organic pigment for paint application

Joshua C. Castillo*, David P. Penaloza Jr.

11th ASTHRDP Graduate Scholars' Conference, (September 26-27, 2023), Philippine International Convention Center, Pasay City, Philippines

[100]     Rheology as a versatile tool for optimizing pigment dispersions: insights for speedy product development and quality control

Maria Myrelle S. Quiambao*, Danilo D.V. Laplana Jr., Angelica G. Jancon, Grace Marie H. Dizon, Henry C. Siy, Sonia D. Salvador,  David P. Penaloza Jr.

37th Philippine Chemistry Congress (37PCC), (July 28-28, 2023), Bacolod City, Philippines

[99]     Clay-filled polystyrene coating dispersed in D-limonene for anti-corrosion application

Aaron Ogrimina*, Allison Jade Sia, Michael Dominic Ajero, Michelle Natividad and David Penaloza Jr.

DLSU Research Congress 2023 (DLSU ResCon 2023), (July 5-7, 2023), Manila, Philippines

[98]     The utilization of natural clays as sustainable dispersing agents for paint applications

Joshua Castillo* and David Penaloza Jr.

DLSU Research Congress 2023 (DLSU ResCon 2023), (July 5-7, 2023), Manila, Philippines

2022

[97]     Grafting of poly(glycidyl methacrylate) onto abaca woven fabric as interface compatibilization for composite reinforcement

Bin Jeremiah D. Barba*, Noriaki Seko, David P. Penaloza Jr. and Jordan F. Madrid

Second International Conference on Applications of Radiation Science and Technology (ICARST-2022) (https://www.iaea.org/events/icarst-2022) | organized by The International Atomic Energy Agency (IAEA), (August 22-26, 2022), Vienna, Austria

*winner of the Young Professional Award during the conference

2021

[96]     RAFT-mediated radiation grafting on natural fibers in aqueous emulsion

Bin Jeremiah D. Barba*, Noriaki Seko, David P. Penaloza Jr. and Jordan F. Madrid

The 2nd International Online Conference on Polymer Science - Polymers and Nanotechnology for Industry 4.0 via Online | sponsored by the MDPI open access journal Polymers (ISSN 2073-4360; IF: 3.426) (November 1-15, 2021) 

[95]     Research opportunities and challenges mentoring STEM researchers

David P. Penaloza Jr.

2nd PAPSI International 3-day Research Conference 2021 via Zoom | Philippines (September 3-5, 2021) 

[94]     Synthesis and characterization of chitosan-clay hydrogels for lead removal

Matthew Kyle Ang, James Daniel Cudo*, Loisse Kassandra Tizon, Angela Terese Yu and David P. Penaloza Jr.

2021 DLSU Research Congress 2021 via Zoom | Philippines (July  7-9, 2021) 

[93]     Composite materials with covalently-tethered polymer architecture

David P. Penaloza Jr.

DLSU URCO Multidisciplinary Research Conference 2021 via Zoom | Philippines (March  19, 2021) 

[92]     Introduction to organic chemistry

David P. Penaloza Jr.

Webinar through Google Meet sponsored by Philippine Association of Physics & Science Instructors (PAPSI), | Philippines (February 13, 2021)

2020

[91]     Compatibilization of natural fibers through radiation-induced graft polymerization for application in composite reinforcement

Bin Jeremiah D. Barba*, Jordan F. Madrid, Noriaki Seko, Jinhua Chen and David P. Penaloza Jr.

Philippine Nuclear R&D Conference 2020 - AmBisyong Nukleyar tungo sa Maunlad na Pilipinas (The Nuclear Vision  | Philippines (December 8-10, 2020) 

[90]     Treading the virtual path for chemistry instruction: tooling the teachers and the learners

David P. Penaloza Jr.

Webinar through Google Meet sponsored by Philippine Association of Physics & Science Instructors (PAPSI), | Philippines (August 15, 2020)

[89]     Lecture on colloid and surface science for the paint industry

David P. Penaloza Jr.

Webinar through Google Meet sponsored by D&L Industries, Inc. and Chemrez, Inc., | Philippines (April 30, 2020)

[88]     Preparation and application of a carboxymethylcellulose-based citric acid crosslinked coated fertilizer system

Vince St D. Mesias, Anne Bernadette S. Agu*, Precious Japheth L. Benablo and  David P. Penaloza Jr.

2nd International Conference on Biomacromolecules and Biomimetic Materials (ICBBM 2020);

4th International Conference on Material Engineering and Manufacturing (ICMEM 2020); and

2020 3rd International Conference on Materials Design and Applications (ICMDA 2020)

Chiba University | Tokyo, Japan (April 10-13, 2020)

2019

[87]     Functional biomaterials: preparation and properties

David P. Penaloza Jr

2019 Junior Chemistry Congress, Adamson University | Manila, Philippines (November 23, 2019)

[86]     Rheology and microrheology as R&D and problem-solving tools

David P. Penaloza Jr

Advances in Materials Characterization, De La Salle University | Manila, Philippines (November 6, 2019)

[85]     Nanotechnology for agro-chemical applications

David P. Penaloza Jr

Invited Lecture, Nueva Ecija University of Science and Technology | Nueva Ecija, Philippines (October 11, 2019)

[84]     When carbons combine: organic chemistry for senior high school

David P. Penaloza Jr

Philippine Association of Physics & Science Instructors (PAPSI): organic chemistry, 3D printing and materials characterization training, De La Salle University | Manila, Philippines (August 24, 2019)

[83]    Facile preparation of a polysaccharide-based self-healing composite material

Nurzeba C. Sanoh*, Gerlone M. Salazar and  David P. Penaloza Jr.

41st NAST Scientific Meeting, Philippine International Convention Center | Manila, Philippines (July 10 - 11, 2019) MPSD 021  | Trans. Nat. Acad. Sci. & Tech. (Philippines),  40(1), 269 (2019) (ISSN 0115-8848)

[82]     Rheological characterization of the curing process of a water-based epoxy material

Maria Myrelle S. Quiambao, Ibarra Miguel D. Abobo, Angelica G. Jancon, Loida D. Rodriguez, Henry C. Siy and, David P. Penaloza Jr*

34th Philippine Chemistry Congress, Cebu Waterfront Hotel & Convention Center | Cebu, Philippines (May 28-30, 2019) OP 03.10

[81]     Facile preparation and optimization of carboxymethylcellulose and chitosan drug encapsulant systems

Anne Bernadette S. Agu*,  David P. Penaloza Jr and Roger S. Tan

34th Philippine Chemistry Congress, Cebu Waterfront Hotel & Convention Center | Cebu, Philippines (May 28-30, 2019) OP 02.05

[80]     Preparation and properties of layered silicate clay-based unsaturated polyester resin (UPR) nanohybrid materials

Ibarra Miguel D. Abobo, Loida D. Rodriguez, Redentor G. Hipolito, Sonia D. Salvador, Henry C. Siy and, David P. Penaloza Jr*

2019 Annual PAASE Meeting and Symposium, Century Park Hotel | Manila, Philippines (May 23-24, 2019)

[79]     Preparation of clay nanocomposites based on unsaturated polyester resins (UPRs) and performance of the resultant hybrid systems

David P. Penaloza Jr

2019 URCO Multidisciplinary Research Dissemination Conference, Midas Hotel | Pasay, Philippines (March 25, 2019)

[78]   Functional materials - preparation and applications  

David P. Penaloza Jr

4th SMEC International Research Congress, Hotel Jen | Pasay, Philippines (February 21-22, 2019)

2018

[77]   Preparation and characterization of crosslinked biopolymer nanoparticles as encapsulation materials  

Anne Bernadette S. Agu*, Precious Japheth L. Benablo, and David P. Penaloza Jr

13th International Student Conference on Advanced Science and Technology 2018 (ICAST2018), De La Salle University | Manila, Philippines (November 28 - 30, 2018)

[76]    Nanomaterials: preparation and characterization

David P. Penaloza Jr.*

DLSU Chemistry - DKSH Training on Materials Characterization, De La Salle University | Manila, Philippines (October 3, 2018)

[75]    Synthesis of functional nanomaterials based on biopolymers and clays

David P. Penaloza Jr.*

Invited Lecture, Nueva Ecija University of Science and Technology | Nueva Ecija, Philippines (September 28, 2018)

[74]    FTIR spectroscopy for materials characterization

David P. Penaloza Jr.*

DLSU Chemistry - Shimadzu Philippines Training on Materials Characterization, De La Salle University | Manila, Philippines (June 25 - 26, 2018)

[73]    Using surface modification to develop a materials science experiment for the undergraduate chemistry education

Emmanuel A. Punzalan*, Christian X. Catalan and  David P. Penaloza Jr.*

2018 ASTHRDP Graduate Scholars’ Conference, Philippine International Convention Center | Manila, Philippines (May 18 - 19, 2018)

[72]    Self-assembled and crosslinked biopolymers as functional materials

 David P. Penaloza Jr.*, Vince St. D. Mesias, Anne Bernadette S. Agu, Precious Japheth L. Benablo, Brent Spencer S. Siy and John Alfred X. Tan

33rd Philippine Chemistry Congress, Philippine Convention Center | Manila, Philippines (May 30 - June 1, 2018)

[71]    Cellulose-based citric acid-crosslinked nanoparticle encapsulants for delivery applications

Anne Bernadette S. Agu, Precious Japheth L. Benablo, and David P. Penaloza Jr

33rd Philippine Chemistry Congress, Philippine Convention Center | Manila, Philippines (May 30 - June 1, 2018)

2017

[70]    Rheology and microrheology for smarter material formulation

David P. Penaloza Jr

Materia Manila 2017  | Manila, Philippines (October 23-24, 2017)

[69]    Aqueous acrylic emulsion prepared from crosslinkable surfactants

Aurelio Santos Jr.*, Loida Rodriguez, Redentor Hipolito, Sonia D. Salvador, Henry Siy, and David P. Penaloza Jr

IUPAC-FAPS 2017 Polymer Congress (IUPAC-FAPS2017) | Jeju Island, South Korea (October 11-13, 2017) ORS6_120

[68]    Science of dispersion

David P. Penaloza Jr

Polymer Science for Research Innovation, DOST ADMATEL | Taguig, Philippines (June 9, 2017) 

[67]    Dispersion technology

David P. Penaloza Jr

Short Course on Polymer Science for the Chemical Industry, De La Salle University | Manila, Philippines (June 7, 2017)

[66]    High water resistance crosslinked latexes of acrylic monomers

Aurelio Santos Jr.*, Henry Siy, Loida Rodriguez, Redentor Hipolito and David P. Penaloza Jr

32nd Philippine Chemistry Congress, Puerto Princesa City | Palawan, Philippines (June 1, 2017) OC-13

[65]     Surface-initiated polymerization (SIP) as a versatile method to prepare functional polymer brushes

David P. Penaloza Jr* and Thomas AP Seery

32nd Philippine Chemistry Congress, Puerto Princesa City | Palawan, Philippines (June 1, 2017) IC-01

[64]     Microrheological study of a supramolecular hydrogel

David P. Penaloza Jr*; Atsuomi Shundo; and Keiji Tanaka

International Conference on Biomacromolecules and Biomimetic Materials (www.icbbm.org), Boracay | Aklan, Philippines (March 6, 2017) BM0003-A

[63]     Rheology as a bridging tool for product design and development

David P. Penaloza Jr.

Short Course on Rheology, De La Salle University | Manila, Philippines (January 10, 2017)

2016

[62]     Externally controlled, reversible shifts of local surface plasmon resonance bands of polymer-modified gold nanoparticles prepared by surface initiated polymerization (SIP)

David P. Penaloza Jr*; James Rusling; Thomas AP Seery and Gregory Sotzing

1st International Biosensing Technology Workshop and Conference, De La Salle University | Manila, Philippines (September 20, 2016) 006-BST007

[61]     Functionalization and self assembly in soft materials

David P. Penaloza Jr.

De La Salle University-Osaka University Research Forum, De La Salle University | Manila, Philippines (August 2, 2016)

[60]     Flow and mechanical behaviors of polymers and colloids

David P. Penaloza Jr.

Short Course on Polymeric and Colloidal Materials, De La Salle University | Manila, Philippines (June 16, 2016)

[59]     Hierarchical non-uniformity of the liquid crystal graphene oxide dispersion

Atsuomi Shundo*; Koichiro Hori; David P. Penaloza Jr.; Kyungeun Lee; Sang-Ouk Kim and Keiji Tanaka

2016 Annual Meeting of The Society of Fiber Science and Technology, Japan | Tokyo, Japan (June 8-10, 2016) 3G11

[58]     Exfoliated clay-polymer nanocomposites with covalently tethered polynorbornenes prepared via metal alkylidine-mediated surface-initiated polymerization

David P. Penaloza Jr*; Thomas AP Seery

31st Philippine Chemistry Congress | Iloilo, Philippines (April 15-17, 2016) D2-1

[57]     Microrheological studies of some molecular-based self-assembled systems

David P. Penaloza Jr*; Atsuomi Shundo, Keiji Tanaka

31st Philippine Chemistry Congress | Iloilo, Philippines (April 15-17, 2016) C3-3

2015

[56]    Surface science for anti-corrosion application (invited talk)

David P. Penaloza Jr*;  Henry Siy; Loida Rodriguez

1st Corrosion Organization of the Philippines (CorrPhil) Seminar - Sharing today's future corrosion technology: materials corrosion and protection in the industry | Manila, Philippines (December 8, 2015)

[55]    Spatial heterogeneity in a graphene oxide-based liquid crystal

Atsuomi Shundo*; Koichiro Hori; David P. Penaloza Jr.;  Kyung Eun Lee; Sang Ouk Kim; Keiji Tanaka

2015 Pusan-Gyeongnam/Kyushu-Seibu Joint Symposium on High Polymers (17th) and Fibers (15th) (2015PGKS) | Busan, South Korea (November 12-14, 2015)

[54]     Local viscoelastic properties of supramolecular hydrogels

Keiji Tanaka*; Yuji Matsumoto; David P. Penaloza Jr.;  Keigo Matsumoto; Masashi Ohno; Katsuaki Miyaji; Masahiro Goto; Atsuomi Shundo

31st International Conference of the Polymer Processing Society | Jeju Island, South Korea (June 7-11, 2015) KLG13-03

[53]     Space inhomogeneity of lyotropic liquid crystal based on particle tracking method

Atsuomi Shundo*; Koichiro Hori;  David P. Penaloza Jr.; Kyung Eun Lee; Sang Ouk Kim; Keiji Tanaka

42nd Annual Meeting of the Society of Rheology | Kyoto, Japan (May 13-14, 2015)

2014

[52]     The hierarchical heterogeneity of supramolecular hydrogels (invited presentation)

Keiji Tanaka*; Yuji Matsumoto; David P. Penaloza Jr.;, Keigo Matsumoto; Masashi Ohno; Katsuaki Miyaji; Nobutomo Tsuruzoe; Masahiro Goto and Atsuomi Shundo

2014 Taiwan-Japan Bilateral Polymer Symposium (TJBPS2014) | Taiwan (November 19-22, 2014)

[51]     Spatial heterogeneity in gelation process of molecular-assembled systems

Atsuomi Shundo*; David P. Penaloza Jr.; Keigo Matsumoto; Masashi Ohno; Katsuaki Miyaji; Nobutomo Tsuruzoe; Masahiro Goto and Keiji Tanaka

22nd Polymer Networks Group Meeting (PNG) and the 10th Gel Symposium sponsored by Institute for Solid State Physics, The University of Tokyo, (PN&G2014) | Tokyo, Japan (November 10-14, 2014)

[50]     The hierarchical heterogeneity of soft materials (invited presentation)

Keiji Tanaka*; Yuji Matsumoto; David P. Penaloza Jr.;, Keigo Matsumoto; Masashi Ohno; Katsuaki Miyaji; Nobutomo Tsuruzoe; Masahiro Goto and Atsuomi Shundo

Korea-Japan Joint Polymer Symposium (KJJS2014), KAIST | Daejeon, South Korea (October 29-31, 2014)

[49]     The spatial heterogeneity of soft materials (invited presentation)

Keiji Tanaka*; David P. Penaloza Jr.; Keigo Matsumoto; Masashi Ohno; Katsuaki Miyaji; Nobutomo Tsuruzoe; Masahiro Goto and Atsuomi Shundo

EMLG-JMLG 2014 Molecular Liquids and Soft Matter: From Fundamentals to Applications, University Roma Tre | Rome, Italy (September 7-12, 2014)

[48]     Microrheology as a tool to probe self-assembled systems (invited presentation)

David P. Penaloza Jr.*; Atsuomi Shundo and Keiji Tanaka

Department of Textile Science and Engineering, Yeungnam University | Gyeongsan, South Korea (July 31, 2014)

[47]     Challenges and interventions in teaching courses using English at Keimyung University

David P. Penaloza Jr.*; Angelita Cruz; Willy Pieter; James Pattison; Reylin San Juan

2014 Keimyung Teaching Community Annual Report | Daegu, South Korea (Jan 27-28, 2014)

2013

[46]     Spatial heterogeneity in the metastatic sol-gel process of the aqueous solution of a supramolecular gel

Atsuomi Shundo*; David P. Penaloza Jr.; Keigo Matsumoto;  Masashi Ohno;  Katsuaki Miyaji; Masahiro Goto; Keiji Tanaka

62nd Annual Meeting of Society of Polymer Science  | Kyoto, Japan (May 29-31, 2013) 1C24

[45]     Mesoscopic inhomogeneity in the process of re-formation of a supramolecular gel

Atsuomi Shundo*; David P. Penaloza Jr.; Keigo Matsumoto;  Masashi Ohno;  Katsuaki Miyaji; Masahiro Goto; Keiji Tanaka

40th Annual Meeting of the Society of Rheology | Kobe, Japan (May 16-17, 2013) p. 109-110

[44]     Montmorillonite poly(norbornene) nanocomposites from ruthenium alkylidene surface-initiated polymerization

Thomas AP Seery*; David P. Penaloza Jr.

245th American Chemical Society (ACS) National Meeting and Exposition | Louisiana, USA (April 7-11, 2013)  POLY-553

[43]     Analysis of local properties of soft materials using a temperature-controlled optical tweezers

Atsuomi Shundo*; Koichiro Hori;  David P. Penaloza Jr.; Keiji Tanaka

Technical Committee on Organic Electronics (OME): Topics on biotechnology, electronics, materials, interfaces, in situ observation | Saga, Japan (March 5, 2013) Vol. 12 No. 456 OME2012-90-104 p.51-54

[42]     Spatial inhomogeneities in mesoscopic viscoelastic properties of soft materials

Atsuomi Shundo*; Koichiro Hori; Keiko Mizuguchi; David P. Penaloza Jr.; Keiji Tanaka

Forum on nano-design, structure-physical properties and functionality, Society of Polymer Science | Fukuoka, Japan (February 23, 2013)

2012

[41]     Direct observation of heterogeneity during sol-to-gel transition of supramolecular hydrogel

David P. Penaloza Jr.*; Atsuomi Shundo; Keigo Matsumoto;  Masashi Ohno;  Katsuaki Miyaji; Masahiro Goto; Keiji Tanaka

9th SPSJ International Polymer Conference – International Polymer Conference 2012 (IPC 2012) | Kobe, Japan (December 11-14, 2012) 13E15

[40]     Non-uniformity and its control of mesoscopic supramolecular gel

Atsuomi Shundo*; David P. Penaloza Jr.; Keigo Matsumoto;  Masashi Ohno;  Katsuaki Miyaji; Masahiro Goto; Keiji Tanaka

24th The Society of Rubber Science and Technology, Japan Symposium | Tokyo, Japan (November 29-30, 2012) B-3 p. 47-48

[39]     Microscopic rheological properties in supramolecular systems (invited presentation)

Atsuomi Shundo*; Koichiro Hori; David P. Penaloza Jr.; Keiji Tanaka

6th International Workshop on Advanced Materials Science and Nanotechnology (IWAMSN 2012) | Halong City, Vietnam (November 4, 2012)

[38]     Evaluation of non-uniformity of the supramolecular gel by particle tracking method

Atsuomi Shundo*; David P. Penaloza Jr.; Keiko Mizuguchi; Matsumoto, K.;  Masashi Ohno;  Katsuaki Miyaji; Masahiro Goto; Keiji Tanaka

60th Rheology Annual Symposium | Nagoya, Japan (September 26-28, 2012) p. 191-192

[37]     Spatial heterogeneity in the formation of a supramolecular hydrogel

Atsuomi Shundo*; David P. Penaloza Jr.; Keigo Matsumoto, K.;  Masashi Ohno,;  Katsuaki Miyaji; Masahiro Goto; Keiji Tanaka

61st Polymer Symposium, Society of Polymer Science | Nagoya, Japan (September 19-21, 2012) 2S01

[36]     Heterogeneity in the viscoelastic properties of lyotropic nanospace

David P. Penaloza Jr.*; Atsuomi Shundo; Koichiro Hori; Keiji Tanaka

61st Polymer Symposium, Society of Polymer Science | Nagoya, Japan (September 19-21, 2012) 2G17

[35]     Analysis of local rheological properties in self-assembled molecular systems

David P. Penaloza Jr.*; Koichiro Hori; Atsuomi Shundo; Keiji Tanaka

2012 Japan-Taiwan Bilateral Polymer Symposium | Fukuoka, Japan (September 6-7, 2012) P11

[34]   Time-dependent heterogeneity in viscoelastic properties of worm-like micelle solutions by optical tweezers (invited presentation)

Koichiro Hori; David P. Penaloza Jr.; Atsuomi Shundo; Keiji Tanaka*

21st International Materials Research Congress, Materials Research Society | Cancun, Mexico (August 17-21, 2012). 16_sim16-abs048

[33]     Microrheology of self-assembled molecular systems in water (invited presentation)

Atsuomi Shundo*; David P. Penaloza Jr.; Keiji Tanaka

Korea Advanced Institute of Science and Technology | Daejeon, South Korea (July 20, 2012)

[32]     Time-dependent heterogeneity in viscoelastic properties of supramolecular systems

Atsuomi Shundo, Koichiro Hori; David P. Penaloza Jr.; Tisato Kajiyama and Keiji Tanaka*

International Symposium on Polymer Physics 2012 | Chengdu, China (June 4-8, 2012)

[31]     Analysis of mesoscopic heterogeneity in polymer and supramolecular solutions by optical tweezers

Koichiro Hori; David P. Penaloza Jr.; Atsuomi Shundo; Keiji Tanaka*

61st Annual Meeting of the Society of Polymer Science | Yokohama, Japan (May 29-31, 2012) 3L18 ROMBUNNO.3L18

[30]     Evaluation of dynamic heterogeneity of wormlike micelle by optical tweezers

Koichiro Hori*; David P. Penaloza Jr.; Atsuomi Shundo; Keiji Tanaka

2012 Annual Meeting of the Society of Rubber Industry | Kyoto, Japan (May 24-25, 2012)

[29]     Local viscoelastic characterization of soft materials using optical tweezers

Atsuomi Shundo*; Koichiro Hori; David P. Penaloza Jr.; Keiji Tanaka

39th Annual Meeting of the Society of Rheology of Japan | Tokyo, Japan (May 10-11, 2012) p. 87-88

[28]     Time- and spatial-dependent heterogeneity of viscoelastic properties in worm-like micelle solution

Koichiro Hori*; David P. Penaloza Jr.; Atsuomi Shundo; Keiji Tanaka

92nd Annual Meeting of The Chemical Society of Japan, Keio University | Kanagawa, Japan (March 25-28, 2012) 2H-35

[27]     Structure-induced dynamic heterogeneity in lyotropic liquid crystal

David P. Penaloza Jr.*; Koichiro Hori; Atsuomi Shundo; Keiji Tanaka

92nd Annual Meeting of The Chemical Society of Japan, Keio University | Kanagawa, Japan (March 25-28, 2012) 2H-39

[26]     Microrheological studies of liquid crystals (invited presentation)

David P. Penaloza Jr.*; Koichiro Hori; Atsuomi Shundo; Keiji Tanaka

Global COE Symposium 2012,  Kyushu University | Fukuoka, Japan (February 21, 2012)

[25]     Local viscoelastic properties in molecular assembled systems by optical tweezers (invited presentation)

Atsuomi Shundo*; Keiko Mizuguchi, Koichiro Hori; David P. Penaloza Jr.; Keiji Tanaka

17th International Workshop on Future Molecular Systems, Kyushu University | Fukuoka, Japan (February 6, 2012)

[24]     Spatial heterogeneity in lyotropic liquid crystal solutions

David P. Penaloza Jr.*; Atsuomi Shundo; Keiji Tanaka

12th International Symposium on Biomimetic Materials Processing (BMMP-12), Nagoya University | Nagoya, Japan (January 24-27, 2012) P-1-18

2011

[23]     Dynamic heterogeneity of local viscoelastic properties in worm-like micelle solution by optical tweezers

Koichiro Hori*; David P. Penaloza Jr.; Atsuomi Shundo; Keiji Tanaka

Mini-Symposium on Soft Interfaces, Kyushu University | Fukuoka, Japan (September 23, 2011)

[22]     Heterogeneity in molecular systems by optical tweezers

Atsuomi Shundo*; Koichiro Hori; David P. Penaloza Jr.; Keiji Tanaka

2011 PGKS Joint Symposium | Busan, South Korea (October 27-29, 2011)

[21]     Microscopic heterogeneity in local viscoelastic properties of aqueous solution of worm-like micelles by optical tweezers

Koichiro Hori*; David P. Penaloza Jr.; Atsuomi Shundo; Keiji Tanaka

The 3rd Asian Symposium on Advanced Materials – Chemistry & Physics of Functional Materials @ Kyushu University | Fukuoka, Japan (September 19-22, 2011)

[20]     Heterogeneity in molecular systems by probe diffusion measurements (invited presentation)

David P. Penaloza Jr.*; Atsuomi Shundo; Keiji Tanaka

Science Meeting for G-COE Research Fellows 2011, Kyushu University | Fukuoka, Japan (July 6, 2011)

[19]     Direct observation of heterogeneity in polymerization systems by optical tweezers

Koichiro Hori; Jian Yang; David P. Penaloza Jr.*; Tomoyasu Hirai; Atsuomi Shundo;  Keiji Tanaka

60th Annual Meeting of the Society of Polymer Science  | Japan (May 5, 2011)

[18]     Exfoliated graphite produced from thermally decomposing fluorinated graphite

Maheera Farsi; Rebecca Mckinnon; Daniel Nde; Chad Collis; David P. Penaloza Jr.; Thomas Manning*

17th Annual Symposium on Undergraduate Research, Valdosta State University | Georgia, USA (April 14-15, 2011)

[17]     Synthesis of graphenes from graphite intercalated compounds

Daniel Birely; Jia Qi-Li; Kelley Doe; Stephanie Patterson; David P. Penaloza Jr.; Thomas Manning*

17th Annual Symposium on Undergraduate Research, Valdosta State University | Georgia, USA (April 14-15, 2011)

2010

[16]     Clay-poly(norbornene) nanocomposite: synthesis and characterization

David P. Penaloza Jr.*; Thomas A.P. Seery

2010 IMS Polymer Program Annual Meeting, University of Connecticut | Connecticut, USA (May 21, 2010)

[15]     Poly(norbornene)-clay nanocomposite: synthesis and characterization

David P. Penaloza Jr.*; Thomas A.P. Seery

2010 Randolph T. Major Lecture Series, University of Connecticut | Connecticut, USA (March 4-5, 2010)

2009

[14]     Clay-poly(norbornene) nanocomposites: synthesis and characterization

David P. Penaloza Jr.*; Thomas A.P. Seery

Sukant Tripathy Annual Memorial Symposium, University of Massachussetts (Lowell) | Massachussetts, USA (December 4, 2009)

[13]     Synthesis and characterization of montmorillonite-poly(norbornene) nanocomposite

David P. Penaloza Jr.*; Thomas A.P. Seery

238th American Chemical Society (ACS) National Meeting and Exposition | Washington DC, USA (August 16-19, 2009) POLY-487

2008

[12]   Surface-initiated polymerization of poly(norbornene)-clay nanocomposite

David P. Penaloza Jr.*; Thomas A.P. Seery

2008 Randolph T. Major Lecture Series, University of Connecticut | Connecticut, USA (October 15-16, 2008)

[11]     Nanocomposites from silica nanoparticles poly(norbornenes) with pendant cholesterols

Suk-kyun Ahn; David P. Penaloza Jr.; Daniel J. Sandberg; Rajeswari Kasi; Thomas A.P. Seery*

236th  American Chemical Society (ACS) National Meeting and Exposition | Philadelphia, USA (August 17-21, 2008) 8-POLY

[10]     Surface-initiated polymerization of montmorillonite-poly(norbornene) nanocomposite

David P. Penaloza Jr.*; Thomas A.P. Seery

10th Eurasia Conference on Chemical Science (EuAsC2S-10) | Philippine International Convention Center, Manila, Philippines (January 7-11, 2008) OE-1-8

2007

[9]      Surface-initiated polymerization of montmorillonite-poly(norbornene) nanocomposite

David P. Penaloza Jr.*; Thomas A.P. Seery

2007 Randolph T. Major Lecture Series | University of Connecticut, Connecticut, USA (March 7-8, 2007)

2006 and earlier

[8]      Better teaching and learning opportunity in chemistry education through ICT (invited presentation)

David P. Penaloza Jr.* 

Training-Workshop on Packaging Self-Learning for e-Learning using WebCT Seameo Regional Open Learning Center | Baguio, Philippines (June 28 – July 2, 2004)

[7]       Integration  of computer technology in chemistry education  (invited presentation)

David P. Penaloza Jr.* 

8th International Regional Conference for APEC Learning Community Builders 2004 | Sunchon National University, Sunchon, South Korea (February 27, 2004)

[6]       Development and validation of a courseware on introductory solid state chemistry  (invited presentation)

David P. Penaloza Jr.*

8th National Research Forum Research Educational Dev’t Training Institute | Nueva Ecija, Philippines (May 7-9, 2003)

[5]     Farming practices adopted by farmers: its implication to pesticide residue content and quality of key commercial crops in Region III

Danila S. Paragas; David P. Penaloza Jr.*; Aurea D.C. Roxas

CLSU Agency In-house Review of Completed and On-going R&D Projects, | Nueva Ecija, Philippines (May 30, 2001)

[4]      Pesticide residue content and quality of key commercial crops in Region III

Danila S. Paragas; David P. Penaloza Jr.*; Aurea D.C. Roxas

17th Philippine Chemistry Congress | Cagayan de Oro, Philippines (May 23-25, 2001) TS2 E4

[3]      N, P, K and Zn content of Maligaya paddy soil planted to rice (Oryza sativa L.) applied with titanium (IV) oxide powder [pot experiment]

Danila S. Paragas; David P. Penaloza Jr.; Redel L. Gutierrez*; Marvin A. Adap

17th Philippine Chemistry Congress | Cagayan de Oro, Philippines (May 23-25, 2001) EP6

[2]      N, P, K and Zn content of Umingan soil and rice plant (Oryza sativa L.) applied with different loadings of titanium (IV) oxide powder [pot experiment]

David P. Penaloza Jr.*; Danila S. Paragas; Jovy de Dios; Isagani R. Cajucom

17th Philippine Chemistry Congress | Cagayan de Oro, Philippines (May 23-25, 2001) EP7

[1]      Effect of titanium (IV) oxide on the N, P, K and Zn content of Maligaya paddy soil and rice plant (Oryza sativa L.) at different growth stages

Danila S. Paragas*; David P. Penaloza Jr.; H. Gines; Tomas D. Gajete; Rodel M. Bulatao

17th Philippine Chemistry Congress | Cagayan de Oro, Philippines (May 23-25, 2001) TS2 E2