🎾 🏀 🧑‍🍳 🧗‍♀️ 🍺 🚗
"
Call me Haji or Hazzie!"
📩 hajimef (at) stanford.edu

Hajime Fujita (藤田創, he/him/his) is a Ph.D. student at Stanford University. His previous research focuses on fabricating wearable battery-free biosensors for rapid diagnosis. His work has been published in venues including Adv. Funct. Mater., J. Mater. Chem. C. and etc.

At Stanford, he is rotating with Prof. James Zou and Prof. Zhenan Bao (fall quarter) and Prof. Tom Soh (winter quarter). He is trying to extend the capabilities of biosensors with emerging technologies.

Glucose sensor

J. Mater. Chem. C (2021)

Ammonia sensor

Adv. Mater. Technol. (2022)

Induction heater

Adv. Funct. Mater. (2021)

Updates

2022.11.28

Conference Information (Poster presentation)

Materials Research Society (MRS) Fall Meeting 2022 in Boston

"Paper-Based Wearable Ammonia Gas Sensor Using Iron(III)-Added PEDOT:PSS"

Hajime Fujita, Meiting Hao, Shinji Takeoka, Yuji Miyahara, Tatsuro Goda, Toshinori Fujie
Nov 28th, 2022

2022.12.1

Conference information

The 45th Annual Meeting of the Molecular Biology Society of Japan
Hinako Iwashige, Ken Leonard Okumura, Ryoko Enomoto, Kotaro Miyamoto, Hayato Ito,
Hajime Fujita, Ryosuke Suzuki, Yoh-ichi Tagawa
"A serotype infection detection system with dengue virus by using Split-Cre as a reporter gene"
Dec 1st, 2022 / Chiba, Japan

2022.11.21

Conference information

The 44th Annual Meeting of the Japanese Society for Biomaterials
Megumi Takuma, Hajime Fujita, Hisato Nagano, Ryuichi Azuma, Toshinori Fujie
"
Enhanced angiogenic effect with cell encapsulation device composed of adipose-tissue derived stem cell and nanosheet"
Nov 21st, 2022 / Tokyo, Japan

2022.11.11

Update on fellowship

Hajime has been named the William R. and Sara Hart Kimball Fellow for his Stanford Graduate Fellowship.

https://news.stanford.edu/news/2005/july13/kimball-obit-071305.html

2022.11.3

Grant announcement

Hajime has been awarded 1,000 USD for a travel grant to attend the Materials Research Society Fall Meeting 2022 in Boston (11/27-12/2).

https://oge.stanford.edu/financial/travel-grant-program/

2022.10.28

Citation by an interesting review article

Hajime's work on glucose sensors with phenylboronic acid hydrogel is cited by the following interesting review article. Please check it out!

https://pubs.rsc.org/en/Content/ArticleLanding/2022/CC/D2CC04506K

2022.9.20

New chapter of my career

Hajime entered Bioengineering Ph.D. program at Stanford University.

https://bioengineering.stanford.edu/people/hajime-fujita

2022.9.5

Conference information

The 71st Fall Meeting of the Society of Polymer Science, Japan
Toshinori Fujie, Hajime Fujita "Development of biosensing components for tissue-interfaced electronics"
Sep 5th, 2022 / Sapporo, Japan

https://main.spsj.or.jp/tohron/71tohron/

2022.8.31

Leaving Fujie group at Tokyo Institute of Technology

Thank you for all the memories! I was lucky to work with them and publish 4+ papers in three years.
https://sites.google.com/view/fujie-laboratory/home?authuser=0

2022.7.21

Award Announcement

Happy to receive the Yoshinori Ohsumi Paper Award (大隅ジャーナル賞) for my recent work on paper-based wearable ammonia gas sensors! This award was founded by Honorary Professor Yoshinori Ohsumi, 2016 Nobel laureate in Physiology or Medicine, for promoting students in School of Life Science and Technology.

https://educ.titech.ac.jp/bio/news/2022_07/062907.html

2022.7.21

Featured on Youtube!

Hajime shared my experience at Tokyo Institute of Technology on Youtube!

2022.7.1

A new paper is out!

Isano, Y., Fujita, H., et al., Transparent and Breathable Ion Gel-Based Sensors toward Multimodal Sensing Ability, Adv. Mater. Technol., 2200209 (2022).

DOI: 10.1002/admt.202200209

2022.5.31

A new paper is out!

Hajime wrote a review article titled "Trends in Tissue-Interfaced Electronics toward Advanced Healthcare" in Journal of the Adhesion Society of Japan (日本接着学会). You can check the detail from here.

2022.5.31

Update on my fellowship

My profile is listed on the webpage of the Funai Foundation for Information Technology. 船井情報科学振興財団のホームページに略歴とレポートが公開されました。

2022.5.21

Fellowship Announcement

Hajime is officially awarded Funai Overseas Scholarship (2-year Ph.D. fellowship) from the Funai Foundation for Information Technology.

2022.5.13

Conference Information (Oral presentation)

Materials Research Society (MRS) Spring Meeting 2022 in Honolulu

"Rapid Battery-Free Glucose Sensing with Phenylboronic Acid Hydrogel and Flexible Interdigitated Capacitor"

Hajime Fujita, Kento Yamagishi, Wenshen Zhou, Yu Tahara, Shaoying Huang, Michinao Hashimoto, Toshinori Fujie

2022.4.1

Fellowship Announcement

Hajime is officially awarded the Research Fellowship for Young Scientists from Japan Society for the Promotion of Science (日本学術振興会特別研究員 (DC1))!

2022.3.22

Fellowship Announcement

Hajime will be awarded Stanford Graduate Fellowship (3-year Ph.D. fellowship) from Stanford University!
List
of recipients: https://vpge.stanford.edu/fellowships-funding/current-vpge-fellows/all-2022#SGF

2022.3.22

Conference Information

稲田 洲, 藤田 創, 堀井 辰衛, 永見 智行, 藤枝 俊宣.「導電性流体とエラストマー製チューブからなるひずみゲージの開発と手指の動作解析への応用」第69回応用物理学会春季学術講演会 (2022.3.22., 相模原).

https://meeting.jsap.or.jp/

2022.3.11

A new paper is out!

Hajime developed paper-based wearable ammonia sensors toward advanced healthcare under the collaboration with Prof. Goda in Toyo University, Prof. Takeoka and Ms. Hao in Waseda University and Prof. Miyahara in Tokyo Medical and Dental University.

Fujita, H., Hao, M., Takeoka, S., Miyahara, Y., Goda, T., Fujie, T. “Paper-based wearable ammonia gas sensor using organic–inorganic composite PEDOT:PSS with iron(III) compounds”, Adv. Mater. Technol., in press (2022).

DOI:10.1002/admt.202101486

2022.3.06

Starting Ph.D. study @Stanford BioE this fall!

Hajime decided to start new endeavors as a Ph.D. student at Bioengineering Department, Stanford University from fall 2022.

2021.12.28

Conference Information

Fujita, H., Hao, M., Takeoka, S., Miyahara, Y., Goda, T., Fujie., T. 「Wearable ammonia gas sensor using iron(III)-added PEDOT:PSS」第3回フレキシブル・ストレッチャブルエレクトロニクス若手研究者の会 (2021.12.28., オンライン).

Horii, T., Inada, S., Fujita, H., Nagami, T., Fujie, T.「Fluidic strain sensor toward joint angle measurement」第3回フレキシブル・ストレッチャブルエレクトロニクス若手研究者の会 (2021.12.28., オンライン).

https://fsejp.weebly.com/3nd-event-december-28-2021.html

2021.11.06

Conference Information

田熊 めぐみ, 藤田 創, 藤枝 俊宣.「PDMSナノ薄膜に対するタンパク質透過性の評価と細胞封入デバイスへの応用」第43回日本バイオマテリアル学会大会 (2021.11.29., 名古屋/オンライン).

https://confit.atlas.jp/guide/event/jsbabmc2021/top

2021.11.06

Fellowship Announcement

Hajime will be awarded Funai Overseas Scholarship (2-year Ph.D. fellowship) from Funai Foundation of Information Technology.

2021.9.24

Graduation Ceremony

Hajime received Master's Degree from TokyoTech.


2021.9.21

Conference Information

稲田 洲, 藤田 創, 堀井 辰衛, 藤枝 俊宣.「導電性流体とエラストマー製チューブからなるひずみゲージの開発」第82回応用物理学会秋季学術講演会 (2021.9.21., オンライン).

https://meeting.jsap.or.jp/


2021.8.24

Mentorship for high school students

I mentored Mr. Shonan Kirino from UK high school for 1-week working experience. Shonan learned about digital fabrication and nanosheet electronics.


2021.6.09

A new paper is out!

Hajime contributed to developing an implantable, flexible heater inspired by induction heating (IH) cooker under the collaboration with Profs. Matsutani and Aso in Teikyo University Hospital, Mizonokuchi and Prof. Kanai in Azabu University.

Saito, M., Kanai, E., Fujita, H., Aso, T., Matsutani, N. Fujie, T. Flexible induction heater based on the polymeric thin film for local thermotherapy. Adv. Funct. Mater. (2021).

URL: https://onlinelibrary.wiley.com/doi/10.1002/adfm.202102444

[Media Distribution]

https://www.titech.ac.jp/news/2021/061154

https://www.eurekalert.org/pub_releases/2021-06/tiot-tth060821.php

https://www.jiji.com/jc/article?k=2021060901179&g=soc


2021.6.02

A new paper is out!

Hajime developed a novel flexible glucose sensing platform toward rapid battery-free detection of hyperglycaemia under the collaboration with Prof. Michinao Hashimoto Group in Singapore University of Technology and Design (SUTD).

Fujita, H., Yamagishi, K., Zhou, W., Tahara, Y., Huang, SY., Hashimoto, M., Fujie, T.*. Design and fabrication of flexible glucose sensing platform toward rapid battery-free detection of hyperglycaemia. J. Mater. Chem. C, in press (2021).

DOI: 10.1039/D1TC00667C

2020.12.12

Award Announcement

Hajime received Best Presentation Award (2nd place, out of 24 presenters) from 1st event of Young Researchers Society for Flexible and Stretchable Electronics (Online, organized by Prof. Naoji Matsuhisa).

https://fsejp.weebly.com/

2020.9.10

Conference Information (Oral presentation)

81st Annual Meeting, Japanese Society of Applied Physics

"Battery-free, Chemical-to-Electrical-Signal Transducer for Remote Glucose Sensing"

Hajime Fujita, Kento Yamagishi, Michinao Hashimoto, Toshinori Fujie

Link: https://meeting.jsap.or.jp/jsap2020a/english/

2020.7.1

Award Announcement

Hajime received Best Presentation Award (out of over 30 presenters) from TokyoTech Super Smart Society (SSS) Promotion Consortium for the development of wireless glucose sensor.

This consortium envisions to develop future leaders who are capable of supporting the transformation to Super Smart Society.

Link: https://www.sss.e.titech.ac.jp/en/

2020.5.28

Conference Information (Only preprint)

69th Annual Meeting, Society of Polymer Science, Japan

"Development of skin-contact device consisting of glucose-sensitive hydrogel and sheet-like capacitor"

Hajime Fujita, Kento Yamagishi, Michinao Hashimoto, Toshinori Fujie

Link: https://main.spsj.or.jp/nenkai/69nenkai/jp/nenkai_home.html

2019.12.23

Award Announcement

Hajime and Fujie Research Group received Tokyo Tech-Astellas Rx+ Innovation Award and grants from Astellas Pharma Inc for the development of wireless glucose sensor.

Link: https://www.astellas.com/jp/en/news/21481

2019.11.28

Award Announcement

Hajime received 2019 Tokyo Tech Award for Student Leadership (out of over 4000 undergraduate students).

Featured on Tokyo Tech's HP: https://www.titech.ac.jp/english/news/2019/045627.html

2018.12.6

Award Announcement

Hajime and his team BEETLE achieved second place (out of 19 teams) at Stanford's Health Hackathon health++ 2018, held on November 3 and 4 at Stanford University, USA.

The team developed a device to extract and amplify multidrug-resistant DNA and constructed a system that measures the type of resistant bacteria quickly and easily.

Featured on Tokyo Tech's HP: https://www.titech.ac.jp/english/news/2018/043112.html