Results 21 to 30 of about 22,379,061 (281)

Synthesis of Magnetic Metal-Organic Frame Material and Its Application in Food Sample Preparation

Foods, 2020
A variety of contaminants in food is an important aspect affecting food safety. Due to the presence of its trace amounts and the complexity of food matrix, it is very difficult to effectively separate and accurately detect them.
Jingying Yang, Yabin Wang, Mingfei Pan, Xiaoqian Xie, Kaixin Liu, Liping Hong, Shuo Wang   +6 more
doaj   +1 more source

An Electrochemical Sensor Based on a Nitrogen-Doped Carbon Material and PEI Composites for Sensitive Detection of 4-Nitrophenol

Nanomaterials, 2021
A glassy carbon electrode (GCE) was modified with nitrogen-doped carbon materials (NC) and polyethyleneimine (PEI) composites to design an electrochemical sensor for detecting 4-nitrophenol (4-NP).
Xue Nie, Peihong Deng, Haiyan Wang, Yougen Tang   +3 more
doaj   +1 more source

Forming and maintaining a collection of plant genetic resources of the Buckwheat (Fagopyrum Mill.) genus

Plant Varieties Studying and Protection, 2016
Purpose. Providing information on the formation, composition, maintenance of the collection of Buckwheat (Fagopyrum Mill.) genus at Ustymivka Experimental Station of Plant Production (Poltava region), and areas of its use: introduction, preservation and ...
О. В. Тригуб
doaj   +1 more source

Matrixlysis, an improved sample preparation method for recovery of Mycobacteria from animal tissue material. [PDF]

PLoS ONE, 2017
Mycobacterium caprae, a member of the Mycobacterium tuberculosis complex, is the main causative agent of bovine tuberculosis in alpine regions. Bacterial culture is the gold standard in bovine tuberculosis diagnostic but takes up to twelve weeks.
Christoph Leth, Ashok Varadharajan, Patrick Mester, Marlis Fischaleck, Peter Rossmanith, Friedrich Schmoll, Maria Fink   +6 more
doaj   +1 more source

Defining the Terms of Water Distribution in Textile by the Photometry Methods [PDF]

, 2016
The work proved computer photometric method for determining the water concentration in the line textile samples. The aim of the article is the testing of computer visualization techniques to determine the sorption characteristics of textile structural ...
Shchutska, G. (Ganna)
core   +2 more sources

Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility.

Astrobiology, 2021
The Mars Sample Return Planning Group 2 (MSPG2) was tasked with identifying the steps that encompass all the curation activities that would happen within the MSR Sample Receiving Facility (SRF) and any anticipated curation-related requirements.
K. Tait, F. McCubbin, Caroline L. Smith, C. Agee, H. Busemann, B. Cavalazzi, V. Debaille, A. Hutzler, T. Usui, G. Kminek, M. Meyer, D. Beaty, B. Carrier, T. Haltigin, L. Hays, C. Cockell, D. Glavin, M. Grady, E. Hauber, B. Marty, L. Pratt, A. Regberg, Alvin L. Smith, R. Summons, T. Swindle, N. Tosca, A. Udry, M. Velbel, M. Wadhwa, F. Westall, M. Zorzano   +30 more
semanticscholar   +1 more source

Sublimable materials facilitate the TEM sample preparation of oil-soluble nanomaterials

Applied Microscopy, 2020
Sample preparation is significantly important to the high-resolution transmission electron microscopy (HRTEM) characterization of nanomaterials. However, many general organic solvents can dissolve the necessary organic polymer support layer in TEM grid ...
Yu-Hao Deng
doaj   +1 more source

Aerosol filtration efficiency of household materials for homemade face masks: Influence of material properties, particle size, particle electrical charge, face velocity, and leaks

Aerosol Science and Technology, 2020
As a consequence of the COVID-19 pandemic caused by the SARS-CoV-2 virus, the widespread daily use of face masks is promoted worldwide. Particle-size dependent filtration efficiencies (FE; dp = 30 nm–10 µm), applying a particle counting approach, and ...
F. Drewnick, J. Pikmann, F. Fachinger, Lasse Moormann, Fiona Sprang, S. Borrmann   +5 more
semanticscholar   +1 more source

Optical Characterization of ALD-Coated Nanoporous Alumina Structures: Effect of Sample Geometry or Coated Layer Material

Micromachines, 2023
Optical characterization of nanoporous alumina-based structures (NPA-bSs), obtained by ALD deposition of a thin conformal SiO2 layer on two alumina nanosupports with different geometrical parameters (pore size and interpore distance), was performed by ...
Ana Laura Cuevas, Víctor Vega, Antonia Domínguez, Ana Silvia González, Víctor M. Prida, Juana Benavente   +5 more
doaj   +1 more source

Novel Algorithm for Sample Material Parameter Determination using THz Time-Domain Spectrometer Signal Processing

, 2014
In our research we have developed a novel sample material parameter determination algorithm which could be used for characterization of very thin flats.
K. Zaytsev, A. Gavdush, S. Lebedev, S. Yurchenko   +3 more
semanticscholar   +1 more source