Chowdhury Kamrul Hasan, Alireza Ghiasvand, Trevor Lewis, Pavel N. Nesterenko et al.
Stir-bar sorptive extraction (SBSE) is a popular solvent-less sample preparation method, which is widely applied for the sampling and preconcentration of a wide range of non-polar solutes. A typical stir-bar for SBSE is composed of a polydimethylsiloxane (PDMS) film, coated onto a glass jacket with ...
Fumihiro Sassa, Gokul Chandra Biswas, Hiroaki Suzuki
Electrochemistry provides possibilities to realize smart microdevices of the next generation with high functionalities. Electrodes, which constitute major components of electrochemical devices, can be formed by various microfabrication techniques, and integration of the same (or different) component...
Jahir Ahmed, Mohammed M. Rahman, Iqbal Ahmed Siddiquey, Abdullah M. Asiri et al.
Nayem Hossain, Md. Zobair Al Mahmud, Amran Hossain, Md Khaledur Rahman et al.
MEMS, or microelectromechanical systems, have greatly transformed multiple industries with their small size and adaptable capabilities. MEMS technology in biosensing allows for rapid and accurate identification of biological analytes, assisting in medical diagnoses and therapies. MEMS-based biosenso...
A.K.M. Fazle Kibria
Mohammed M. Rahman, M. M. Alam, Abdullah M. Asiri, M. A. Islam
Herein, we report the construction of a dynamic, highly sensitive, stable, reliable, and reproducible selective ethanol sensor based on a ternary metal oxide system of CdO/ZnO/Yb<sub>2</sub>O<sub>3</sub>nanosheets (NSs).
M. M. Alam, Md. Tamez Uddin, Abdullah M. Asiri, Md. Rabiul Awual et al.
In this approach, RuO2 doped ZnO nanoparticles (NPs; 10% RuO2 doping) were prepared by wet-chemical method and characterized by powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Energy-dispersive X-ray spectroscopy (EDS), and Field Emission Scanning Electron Microscopy (FESEM)....
Mohammed M. Rahman, M. M. Alam, Abdullah M. Asiri, M. A. Islam
Construction of highly efficient toxic chemical sensors is the key approach for the determination of carcinogenic chemicals in the environment and ecosystem. We report here, an efficient acetone chemical sensor based on the analytical performances such as sensitivity, lower-detection limit, reproduc...
Huaping Wang, Jianmin Ma, Jun Zhang, Yuezhan Feng et al.
Gas sensor technology is widely utilized in various areas ranging from home security, environment and air pollution, to industrial production. It also hold great promise in non-invasive exhaled breath detection and an essential device in future internet of things. The past decade has witnessed giant...
Mahfuza Maleque, Md. Raquibul Hasan, Farhad Hossen, Sanjana Safi
A rapid, specific and economic UV spectrophotometric method has been developed using a solvent composed of water:methanol:acetonitrile (9:0.5:0.5) to determine the levofloxacin content in bulk and pharmaceutical dosage formulations. At a pre-determined λmax of 292 nm, it was proved linear in the ran...
Mohammed M. Rahman, M. M. Alam, Abdullah M. Asiri
Here, the binary-doped metal oxides of Fe<sub>2</sub>O<sub>3</sub>/CeO<sub>2</sub>nanocubes were prepared using reliable hydrothermal process, which is applied to fabricate an efficient and selective hydrazine chemical sensor shows good analytical sensing performances as well as validated the sensor...
A. J. Saleh Ahammad, Poly Rani Pal, Syed Shaheen Shah, Tamanna Islam et al.
Aiming at constructing a new nonenzymatic electrochemical nitrite sensor, we have prepared a screen-printed fluorine-doped tin oxide (FTO) electrode with activated jute carbon paste (AJCP) (AJCP-SP-FTO) synthesized from jute (Corchorus genus) sticks by using ZnCl2 as activating agent and subsequent ...
Shi Gang Liu, Na Li, Lei Han, Ling Jie Li et al.
A new size-dependent modulation strategy to design ratiometric sensors is proposed by combining fluorescence and light scattering.
Faisal Islam Chowdhury, M.H. Buraidah, A.K. Arof, B.‐E. Mellander et al.
Gel polymer electrolytes (GPEs) with polyacrylonitrile (PAN)-based polymer, ethylene carbonate (EC) and propylene carbonate (PC) plasticizers, and different amounts of tetrabutylammonium iodide (TBAI) salt and iodine (I2) have been prepared and used in dye-sensitized solar cells (DSSCs). The maximum...
Wen Yi, Yang Li, Gu Ran, Hong Qun Luo et al.