Results 51 to 60 of about 26,461 (230)

Smart Face Masks as Wearable Respiratory Sensors: A Review of Sensor Technologies, Materials, and Future Directions

Advanced Healthcare Materials, EarlyView.
This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi, Naseeh Backer Kannanthodi, Alice Nicole Casling, Babar Ali, Samira Lakouraj Mansouri, Alessandro Giuseppe D'aloia, Hossein Cheraghi Bidsorkhi, Maria Sabrina Sarto   +7 more
wiley   +1 more source

Synthesis of Cellulose Nanocrystals from Rice Husk Using Nitric Acid Hydrolysis

Indonesian Journal of Chemical Research
Rice husk residue has excellent potential as a raw material for making cellulose nanocrystals because of its relatively high cellulose content. This research focuses on determining the most effective hydrolysis conditions, especially the reaction time ...
Moza Ayu Fernanda, Delia Indah Novianah, Nana Dyah Siswati, Caecilia Pujiastuti   +3 more
doaj   +1 more source

Isolasi Nanokristalin Selulosa Bakterial Dari Jus Limbah Kulit Nanas: Optimasi Waktu Hidrolisis [PDF]

, 2016
Nanokristalin selulosa (NCC) adalah bionanomaterial yang terbarukan, berkelanjutan, ramah lingkungan, dan potensi penggunaannya sangat luas. Salah satu metode untuk mengisolasi NCC dari selulosa adalah dengan hidrolisis menggunakan asam. Waktu hidrolisis
Anwar, B. (Budiman), Arcana, I. M. (I), Bundjali, B. (Bunbun)   +2 more
core   +2 more sources

Freeform Manufacturing of Plant‐Based Structural Colors for Scalable Photonic and Mechanochromic Devices

Advanced Materials, EarlyView.
A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song, Peiqi Niu, Wenxi Gu, Chun Lam Clement Chan, Jiuhong Yi, Xu Liu, Peng Tan, Chon In Haydn Cheong, Qingwen Guan, Dan Fang, Bingpu Zhou, Zi Liang Wu, Ji Liu, Yan Yan Shery Huang, Iek Man Lei   +14 more
wiley   +1 more source

Cellulose nanocrystals from grape pomace: production, properties and cytotoxicity assessment [PDF]

, 2018
Cellulose nanocrystals (CNCs) were obtained from grape pomace through chemical and physical pretreatments. Bleached cellulose pulp was subjected to acid hydrolysis (AH) for 30 or 60min and an ultrasound treatment to obtain CNCs (AH30Sand AH60S ...
Cabral, Lourdes M. C., Cerqueira, Miguel A., Coelho, C. C. S., Freitas-Silva, Otniel, Gonçalves, Catarina, Michelin, Michele, Pastrana, Lorenzo M., Teixeira, J. A., Tonon, Renata V., Vicente, A. A.   +9 more
core   +1 more source

2D Nanomaterials Toward Function‐Ready Superlubricity in Advanced Microsystems

Advanced Materials, EarlyView.
A unified framework links structural and transformation superlubricity with microsystem functions and deployment requirements. Mechanisms, device architectures, integration strategies, AI‐guided discovery, and benchmarking protocols are connected to define function‐ready superlubricity in advanced microsystems.
Yushan Geng, Jun Yang, Yong Yang
wiley   +1 more source

Influence of Added Cellulose Nanocrystals on the Rheology of Polymers

Nanomaterials
The interactions between cellulose nanocrystals and six different polymers (three anionic, two non-ionic, and one cationic) were investigated using rheological measurements of aqueous solutions of nanocrystals and polymers.
Rajinder Pal, Parth Deshpande, Smit Patel   +2 more
doaj   +1 more source

Manufacture and performance of peanut skin cellulose nanocrystals

Scientia Agricola, 2021
: Due to their remarkable characteristics, cellulose nanocrystals are strategic materials that has various industrial applications, and are capable of being produced from vegetable fibers derived from the discards of agricultural practices.
Anny Manrich, Maria Alice Martins, Luiz Henrique Capparelli Mattoso   +2 more
doaj   +1 more source

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

Advanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair, Hrisheekesh Thachoth Chandran, Karl Leo, Hans Kleemann   +3 more
wiley   +1 more source

Cellulose nanocrystals coating – A novel paper coating for use in the graphic industry [PDF]

, 2015
The rising concern about the impact of printing material on the environment is pushing the graphic industry to turn towards the use of materials derived from abundant, renewable resources.
Arie Hooimeijer, Branka Lozo, Nikolina Puceković   +2 more
core   +2 more sources