International, News, Research

A doctoral student presented in Asian Aerosol Conference 2017 (Jeju, Korea)博士学生が韓国で発表した。

Presenter: F. Faizal (Doctoral student), Co-author: S. Yokote (Master-student), M. P. Khairunnisa (former doctoral student, now with Ministry of Higher Education, Malaysia), W. Lenggoro "Direct- and Electrospray-Depositions of Particles Derived from Burning Candles" DATE: JULY 2 - 6, 2017,  VENUE: ICC JEJU, JEJU, KOREA * Presentation by student >> LIST      

International, News, Research, Topic

BEST PAPER AWARD at International Conference (PURE 2015, Malaysia)最優秀論文賞

OPE 11 Nov. 2015. BEST PAPER AWARD, 2nd International Conference on Purity, Utility Reaction and Environmental Research (PURE 2015), Kuala Lumpur. “Development of a battery-driven passive sampling system for electrostatically trapping atmospheric particles" (M. P. Khairunnisa, F. Faizal, H. Fukushima, M. Gen, P. Widiatmoko, I. W. Lenggoro*) ... (乾電池を用いた高電圧変換器を駆使し、携帯性に優れた、大気中微粒子捕集器の開発):各地のPM2.5またはPM1.0の解析に役にたつ Full paper : Journal of Purity,… Continue reading BEST PAPER AWARD at International Conference (PURE 2015, Malaysia)最優秀論文賞

News, Research

PAPER: Fine particles on bio-composite surface. ココナツ殻由来素材の表面に微粒子を集積

Other "intro" of papers from our lab >> /tag/paper/   HIGHLIGHTS: * Physical treatment on the biocomposite increases the surface roughness. * Single bond COOH network on the treated biocomposite promotes the particle deposition. * The network reduces the particles repulsion during the deposition process. # Bio-composite(バイオコンポジット)is a composite material formed by a matrix (resin) and… Continue reading PAPER: Fine particles on bio-composite surface. ココナツ殻由来素材の表面に微粒子を集積

Research

PAPER: Between Charged Aerosol Particles & Substrate’s Hydrophilicity.(発見)正帯電した気中浮遊粒子が親水性が高い表面に付きやすい現象

Area-selective deposition of charged particles derived from colloidal aerosol droplets on a surface with different hydrophilic levels...J. Aerosol Science. (a work by Kusdianto (Doctoral student, now with ITS, Indonesia), Gen (Doctoral student, joined Tohoku Univ. then City Univ. Hong Kong), and Lenggoro. Highlights * Charged aerosol particles were derived from spraying colloidal droplets. * Substrate… Continue reading PAPER: Between Charged Aerosol Particles & Substrate’s Hydrophilicity.(発見)正帯電した気中浮遊粒子が親水性が高い表面に付きやすい現象

Research

Can particles in water be immobilized in holes below 100 nm? 水中浮遊粒子を100nm以下の穴に固定化できるのか?サンドイッチ型複合材料の形成。

Immobilization of colloidal particles into sub-100 nm porous structures by electrophoretic methods in aqueous media Kusdianto, Sasaki, Naim, Lenggoro, Colloids Surfaces A: 10.1016/j.colsurfa.2014.06.042 【新規性】新開発の「パルス型電気泳動法(Pulse-type Electrophoretic Deposition/EPD)」および従来EPD法を用いて、水中に浮遊する粒子を100nm以下の穴(ポーラス構造)に挿入・固定。世界初です。 【耐久性】ポーラス構造内に固体化された粒子に対して、超音波エネルギーをかけて、粒子の脱離を試みましたが、穴に粒子がちゃんと残こります。 【展開】酵素や触媒材料の固定化技術への応用 Full article RELATED TECHNOLOGY: 関連技術・成果 Submicrometer- and nanometer-sized particles 2D structure from colloids, 電界による粒子の2次元構造化:凝集状態の制御 Particles with high-crystallinity by-electric field in liquid-phase, 電界による高結晶粒子の構造化:クラックが少ない構造体も可能

Event, People, Research

Kusdianto, Doctoral presentation, 19 Aug. 2014, 博士論文公聴会

19 Aug. 2014. BASE 1st floor meeting room DOCTORAL THESIS: The role of chemical and physical properties of substrate in the deposition of particles 粒子の沈着における基板表面の物理的・化学的特性の役割 by KUSDIANTO (Also a faculty member of Department of Chemical Engineering, Institut Teknologi Sepuluh Nopember, ITS) PUBLICATIONS Area-selective deposition of charged particles derived from colloidal aerosol droplets on a surface… Continue reading Kusdianto, Doctoral presentation, 19 Aug. 2014, 博士論文公聴会

News, Research

Student presented (in Osaka): Electroplating. 液中粒子状膜(学生が学会発表)

2013 Oct. 8-9, Osaka. 粉体工学会2013年度秋期研究発表会 電解めっきを伴う電気泳動法による金属粒子状膜の形成  発表者= M1.内藤恵介 Formation of particulate metallic layer by electrophoretic deposition synchronized with electroplating (Naito, Keisuke & Wuled Lenggoro) Society of Powder Technology Autumn Meeting 2013 = Other presentations from our group

News, Research

Present at Intl. Microprocess & Nanotech. Conf. (2 Nov) 100nm以下の穴内への粒子導入

30 Oct.- 2 Nov., Kobe, 25th International Microprocesses and Nanotechnology Conference (MNC 2012) http://imnc.jp/ Insertion of Particles into Sub-100 nm Porous Structures by Electrophoresis Method (2P-11-34) (K. Kusdianto, K. Sasaki, W. Lenggoro) 100nm以下の穴内(ポーラス構造体)への粒子群導入に成功しました。 想定応用分野: 電気製品・電子材料・建材、触媒材料、バイオ・医療(診断)など。

Research, Topic

Open article: Transport and assembly of particles, 粒子の輸送と集積化

Open article: TRANSPORT AND ASSEMBLY OF LIQUID-PHASE NANOPARTICLES VIA GAS-PHASE (in pdf) An open article, by Wuled Lenggoro (2008, 2009) * Possible applications - For Environment & Energy: Selective-deposition method for liquid-phase nanoparticle - For Healthcare - Measuring the non-spherical nanoparticles in the gas-phase * Potential impact on the environment : - Development of the… Continue reading Open article: Transport and assembly of particles, 粒子の輸送と集積化

Research

PAPER: Nano-structure for on-site detection of pesticide. 残留農薬の現場検査に向けたナノ構造化

A colloidal route to detection of organic molecules based on surface-enhanced Raman spectroscopy (SERS) using nanostructured substrate derived from aerosols >> Jpn. J. Applied Physics, 2011 (Abstract, Full Text PDF) Collaborated works with: Plant Ecochemicals Research Center (Eniwa, Hokkaido) and Kanagawa Industrial Technology Center (Ebina, Kanagawa) ナノ粒子の構造化による基板(チップ)形成を行い、ラマン散乱分光を用いた微量な(モデル:農薬)成分の検出精度を向上させた。 著者: 玄大雄(東京農工大学・修士課程)、 角田英男((社)植物情報物質研究センター(北海道))、 上元好仁(神奈川県産業技術センター)、 ウレット・レンゴロ(東京農工大学) Recent topics from… Continue reading PAPER: Nano-structure for on-site detection of pesticide. 残留農薬の現場検査に向けたナノ構造化