Article
Chemistry, Analytical
Ana Diaz-Fernandez, Elena Bernalte, Carlos Fernandez-Ramos, Sandhya Moise, Pedro Estrela, Mirella Di Lorenzo
Summary: Y chimeric antigen receptor T (CAR-T) cell therapy has revolutionized cancer treatment. Online biosensors can monitor the effectiveness of engineered CAR-T cells in real time without the need for offline analysis or specialized personnel. This study presents an innovative label-free immunosensor that can detect CD34(+) T-cells in human serum, demonstrating high selectivity and applicability for clinical use.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Materials Science, Ceramics
K. Anne Juggernauth, Minwook Kim, Kwangjun Kim, Jinjing Li, Alexander A. McLane, Jaehyuk Lee, A. John Hart, Jong G. Ok
Summary: A three-dimensional vanadium pentoxide nanoarchitecture with tunable morphology and functionality was developed through step-wise chemical vapor deposition. It can be translated into practical frameworks such as porous metallic micromesh with enhanced surface area and electrochemical conversion. The 3D V2O5/CNT hybrid architecture shows potential for broader applications in energy conversion, sensing, photonics, and other material and device systems.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Analytical
Morteza Soltani-Shahrivar, Abbas Afkhami, Tayyebeh Madrakian, Nahid Rezavani Jalal
Summary: In this study, an inexpensive, simple, sensitive, and selective electrochemical TNT sensor was designed and constructed based on the formation of a Meisenheimer complex between magnetic multiwalled carbon nanotubes modified with aminopropyl triethoxysilane (MMWCNTs @ APTES) and TNT. The sensor was able to accurately measure TNT in various water samples.
Article
Biochemical Research Methods
Yesim Tugce Yaman, Gulcin Bolat, Serdar Abaci, Turkan Busra Saygin
Summary: In this study, a peptide nanotube functionalized polydopamine MIP sensor system was developed for the impedimetric sensing of the organophosphorus pesticide malathion. The sensor exhibited high sensitivity with a wide detection range and low LOD, showing potential for various environmental applications.
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
(2022)
Article
Biophysics
J. M. Gonzalez-Dominguez, L. Grasa, J. Frontinan-Rubio, E. Abas, A. Dominguez-Alfaro, J. E. Mesonero, A. Criado, A. Anson-Casaos
Summary: This study found that the functionalized complex of single-walled carbon nanotubes and type-II nanocrystalline cellulose showed higher activity against colon cancer cells in vitro, and this effect was associated with the presence of fluorescein rather than capecitabine.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2022)
Article
Biophysics
Akhilesh Babu Ganganboina, Naresh Kumar Dega, Hai Linh Tran, Win Darmonto, Ruey-An Doong
Summary: This study successfully developed an ultrasensitive biosensor for detecting glioma cells, using pulse-induced electrochemical impedance method to achieve efficient detection of low-concentration glioma cells. The synthesized nanocomposite can enhance the attachment and detection sensitivity of glioma cells, showing promise for practical applications in cancer cell detection.
BIOSENSORS & BIOELECTRONICS
(2021)
Article
Chemistry, Analytical
Manish Sharma, Inderpreet Kaur
Summary: In this study, a monothiol HMB was synthesized and self-assembled on a gold electrode surface. The HMB-modified electrode showed excellent sensitivity towards silver ions with a wide linear range and low detection limit. Additionally, HMB-modified gold nanoparticles were used to construct a carbon paste electrode for potentiometric detection of silver ions.
ANALYTICA CHIMICA ACTA
(2022)
Article
Engineering, Chemical
Sumona Paul, Sagar Roy, Somenath Mitra
Summary: This study developed a carbon nanotube immobilized membrane for microfiltration dewatering of butanol. The carbon nanotubes enhanced the membrane hydrophobicity and butanol permeation, resulting in high preconcentration levels. The water-butanol mixtures exhibited different separation efficiencies in different concentration zones.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Chemistry, Physical
Yuan Guo, Shixin Wang, Xianfeng Du, Shuaizhong Liang, Shan Huang, Shengjun Peng, Yuehong Xie, Mingbo Ma, Lilong Xiong
Summary: Energy storage technology is crucial for a clean and sustainable energy supply. This study demonstrates a promising strategy for developing new energy storage devices with high energy and power density by using laser etching to obtain spatial multilayer VCNTs electrode nano-templates. The MIM capacitors constructed in this way have high planar capacity density, low leakage characteristic, and excellent performance stability.
ENERGY STORAGE MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yeonsu Jung, Young Shik Cho, Jae Hyun Park, Jae Yeong Cheon, Jae Won Lee, Jae Ho Kim, Chong Rae Park, Taehoon Kim, Seung Jae Yang
Summary: This study examines and controls the architectures of carbon nanotube yarn (CNTY) through chemical modification in order to develop lightweight and superstrong CNTYs. The architecture of CNTY, with polymer layers surrounding a compact bundle of CNTs, allows for further chemical cross-linking and enhances load-transfer efficiency. The resulting CNTY exhibits excellent mechanical performance and is a promising candidate for a space elevator cable.
Article
Chemistry, Analytical
Mateusz Brodowski, Marcin Kowalski, Marta Skwarecka, Katarzyna Palka, Michal Skowicki, Anna Kula, Tomasz Lipinski, Anna Dettlaff, Mateusz Ficek, Jacek Ryl, Karolina Dziabowska, Dawid Nidzworski, Robert Bogdanowicz
Summary: A novel impedimetric immunosensor was developed for the detection of protein D in purified and bacterial samples. The sensor exhibited excellent performance, stability, and satisfactory sensitivities for antigen detection, making it a good candidate for rapid and quantitative detection of Haemophilus influenzae in clinical samples.
Article
Engineering, Electrical & Electronic
Hyukmin Kweon, Adrien Hosking, Mohammad Mushfiq, Maksudul M. Alam
Summary: Microelectronic devices utilizing functionalized single-walled carbon nanotubes showed selective and sensitive detection of trace hydrazine in the presence of high-concentration interfering gases. The devices demonstrated fast response, high sensitivity, excellent reproducibility, and reliability for hydrazine detection, with a linear relationship between sensor response and hydrazine concentration. Field-emission scanning electron microscopy images revealed the morphology of the carbon nanotubes on the devices, and gas exposure tests demonstrated high sensor selectivity for hydrazine over interfering gases.
ACS APPLIED ELECTRONIC MATERIALS
(2021)
Article
Chemistry, Physical
Luis Antonio Panes-Ruiz, Leif Riemenschneider, Mohamad Moner Al Chawa, Markus Loeffler, Bernd Rellinghaus, Ronald Tetzlaff, Viktor Bezugly, Bergoi Ibarlucea, Gianaurelio Cuniberti
Summary: A 64-channel sensor array based on semiconducting single-walled carbon nanotubes demonstrates selective detection of hydrogen sulfide at breath concentration levels, with a sensitivity of 0.122%/ppb and a LOD of 3 ppb. The sensors show increased stability and higher response levels compared to some commercially available electrochemical sensors, with high selectivity to H2S. Mathematical models of sensors' electrical characteristics and sensing responses are developed to enhance the platform's differentiation capabilities in breath analysis applications.
Article
Biophysics
Sharat Chandra Barman, Md Sharifuzzaman, Md Abu Zahed, Chani Park, Sang Hyuk Yoon, Shipeng Zhang, Hyunsik Kim, Hyosang Yoon, Jae Yeong Park
Summary: In this study, black phosphorene (BP) was successfully encapsulated by polyallylamine (PAMI) to enhance its stability and electrochemical performance, leading to the development of a BP-PAMI composite for electrochemical sensing. Additionally, an impedimetric immunosensor for cancer detection was fabricated using BP-PAMI modified laser burned graphene (LBG), demonstrating high stability and improved electrochemical performances. This developed technique shows potential for easy, disposable, cost-effective, and highly selective point-of-care cancer detection.
BIOSENSORS & BIOELECTRONICS
(2021)
Article
Chemistry, Physical
Thangavelu Kokulnathan, Ramakrishnan Vishnuraj, Tzyy-Jiann Wang, Biji Pullithadathil
Summary: In this study, an electrochemical sensor for the detection of the antimicrobial drug nitrofurazone (NFZ) was developed using a nanocomposite material TiO2/Au-NFs/O-C3N4. The sensor showed high sensitivity, wide working range, good stability, and selectivity. It successfully monitored the quantity of NFZ in real samples.
APPLIED SURFACE SCIENCE
(2022)