Results 21 to 30 of about 167,047,282 (251)

A concise overview of advancements in ultrasensitive biosensor development

Frontiers in Bioengineering and Biotechnology, 2023
Electrochemical biosensing has evolved as a diverse and potent method for detecting and analyzing biological entities ranging from tiny molecules to large macromolecules.
Ammara Shahid, Fazila Nazir, Muhammad Jawad Khan, Sana Sabahat, Aisha Naeem   +4 more
doaj   +1 more source

Review of Label-Free Monitoring of Bacteria: From Challenging Practical Applications to Basic Research Perspectives

Biosensors, 2022
Novel biosensors already provide a fast way to detect the adhesion of whole bacteria (or parts of them), biofilm formation, and the effect of antibiotics. Moreover, the detection sensitivities of recent sensor technologies are large enough to investigate
Beatrix Péter, Eniko Farkas, Sandor Kurunczi, Zoltán Szittner, Szilvia Bősze, Jeremy J. Ramsden, Inna Szekacs, Robert Horvath   +7 more
doaj   +1 more source

An Electrochemical Electrode to Detect Theophylline Based on Copper Oxide Nanoparticles Composited with Graphene Oxide

Micromachines, 2022
The electrochemical analysis of theophylline (THP) was investigated by fabricating a carbon paste electrode (CPE) modified with graphene oxide (GO) along with copper oxide (CuO) nanoparticles (CuO-GO/CPE). The impact of electro-kinetic parameters such as
Vinoda B. Patil, Shweta J. Malode, Sumitra N. Mangasuli, Suresh M. Tuwar, Kunal Mondal, Nagaraj P. Shetti   +5 more
doaj   +1 more source

Development and Application of a Multiple Cross Displacement Amplification Combined With Nanoparticle-Based Lateral Flow Biosensor Assay to Detect Candida tropicalis

Frontiers in Microbiology, 2021
Candida tropicalis is an increasingly opportunistic pathogen that causes serious invasive candidiasis threatening a patient’s life. Traditional methods to detect C. tropicalis infection depends on time-consuming, culture-based gold-standard methods.
Yu Wang, Yu Wang, Xue Zhao, Jinzhi Cheng, Xiaomin Tang, Xu Chen, Honglan Yu, Shijun Li   +7 more
doaj   +1 more source

Practitioner report: running walls: the performance of the limit in prison [PDF]

, 2015
The limit to freedom, represented by the wall of the prison, is the limit to run to reach the finish-line of the marathon: run the limit! Training prisoners to run a marathon as a practice of the limit.
Maccagno, Paolo
core   +1 more source

On shakedown, ratchet and limit analysis of defective pipeline [PDF]

, 2012
In this study, the limit load, shakedown and ratchet limit of a defective pipeline subjected to constant internal pressure and a cyclic thermal gradient are analyzed.
Ure, James Michael, Chen, Haofeng, Li, Tianbai, Chen, Weihang   +3 more
core   +5 more sources

PROFIL MAHASISWA DALAM MEMPELAJARI MATERI LIMIT BARISAN PADA MATA KULIAH KALKULUS PEUBAH BANYAK [PDF]

, 2022
Penelitian ini didasarkan pada banyaknya mahasiswa Prodi Pendidikan Matematika Universitas Bung Hatta yang gagal menyelesaikan soal Ujian Tengan Semester Kalkulus Peubah Banyak tentang limit barisan.
Vermana, Listy, Herawati, Susi, Niniwati, Niniwati, Zuzano, Fazri   +3 more
core   +1 more source

Determination of atrazine residues in alfalfa plant matrix by ultra-high-performance liquid chromatography and tandem mass spectrometry

Карантин і захист рослин
Goal. The purpose of this study was to verify the effectiveness of determination of atrazine residues in alfalfa using ultra-high-performance liquid chromatography and tandem mass spectrometry. Methods.
Yinghui Zhu, T. Rozhkova
doaj   +1 more source

Dual-pulse laser induced breakdown spectroscopy in the vacuum ultraviolet with ambient gas: spectroscopic analysis and optimization of limit of detection of carbon and sulfur in steel [PDF]

, 2012
Laser Induced Breakdown Spectroscopy (LIBS) in the vacuum ultraviolet (VUV) spectral region was applied to standard steel samples in dual-pulse excitation mode with an ambient gas. Two lasers were employed in collinear geometry, one as an ablation laser (
Jiang, Xi
core   +2 more sources

Study on the host–guest complex of dicyclohexanocucurbit[6]uril and 2-phenylbenzimidazole, and its recognition effect toward Fe3+

Royal Society Open Science, 2021
This paper has selected dicyclohexanocucurbit[6]uril (CyH2Q[6]) as the host and 2-phenylbenzimidazole (G) as the guest to investigate the host–guest interaction mode between CyH2Q[6] and G.
Jun Zheng, Lian An, Jie Gao, Lin Zhang, Xinan Yang, Weiwei Zhao, Siyuan Cheng, Peihua Ma   +7 more
doaj   +1 more source