Results 21 to 30 of about 17,068,399 (395)

Preparation of Soil Certified Reference Materials for Heavy Metals in Contaminated Sites

Yankuang ceshi, 2017
In China, the mining district and surrounding areas have been high risk areas for soil pollution by heavy metals. These are also the main areas for environmental monitoring of soil. Unfortunately, soil certified reference materials (CRMs) in which matrix
TIAN Kan, YANG Jun, SUN Zi-jie, ZHOU Yu-min, XING Shu-cai, FENG Yue-peng   +5 more
doaj   +1 more source

The agglomeration state of nanoparticles can influence the mechanism of their cellular internalisation

Journal of Nanobiotechnology, 2017
Background Significant progress of nanotechnology, including in particular biomedical and pharmaceutical applications, has resulted in a high number of studies describing the biological effects of nanomaterials.
Blanka Halamoda-Kenzaoui, Mara Ceridono, Patricia Urbán, Alessia Bogni, Jessica Ponti, Sabrina Gioria, Agnieszka Kinsner-Ovaskainen   +6 more
doaj   +1 more source

Beautiful Pietàs in South Tyrol (Northern Italy): local or imported works of art?

Heritage Science, 2022
The study, dedicated to Beautiful Pietàs conserved in South Tyrol (Northern Italy), aims to establish, for the first time, a connection between Austroalpine raw materials and the high-fired gypsum mortars constituting the Gothic figure groups in question.
Petra Dariz, Ulrich G. Wortmann, Jochen Vogl, Thomas Schmid   +3 more
doaj   +1 more source

Comprehensive inter-laboratory calibration of reference materials for δ18O versus VSMOW using various on-line high-temperature conversion techniques [PDF]

, 2009
Internationally distributed organic and inorganic oxygen isotopic reference materials have been calibrated by six laboratories carrying out more than 5300 measurements using a variety of high-temperature conversion techniques (HTC) in an evaluation ...
Accoe, Bao, Barkan, Belcher, Belcher, Benson, Bircumshaw, Boettger, Boschetti, Brand, Brand, Brotherton, Böhlke, Coplen, Coplen, Coplen, Coplen, Coplen, Crowley, Dennis, Epstein, Farquhar, Farquhar, Gehre, Gehre, Gonfiantini, Gonfiantini, Halas, Hannon, Hayes, Hoshino, Johnston, Kornexl, Kornexl, Kornexl, Koziet, Kroopnic, Lang, Luz, Maltsev, Meijer, Meyer, Meyer, Muller, Murphy, Olsen, Pella, Revesz, Santrock, Santrock, Schmidt, Schuetze, Stalker, Sternberg, Sternberg, Sternberg, Sternberg, Stuart-Williams, Unterzaucher, Unterzaucher, Unterzaucher, van Hook, Wedeking, Werner, Werner, Werner, Werner   +66 more
core   +2 more sources

Selection and experimental evaluation of low-cost porous materials for regenerator applications in thermoacoustic engines [PDF]

, 2010
This paper aims at evaluating three selected low-cost porous materials from the point of view of their suitability as regenerator materials in the design of thermoacoustic travelling wave engines.
Abduljalil, Abdulrahman S., Jaworski, Arthur J., Yu, Zhibin   +2 more
core   +1 more source

Nano‐Powdered Calcium Carbonate Reference Materials: Significant Progress for Microanalysis?

Geostandards and Geoanalytical Research, 2019
Homogeneity, mass fractions of about forty trace elements and Sr isotope composition of Ca carbonate reference materials (RMs) between original and nano‐powdered pellets are compared.
K. Jochum, D. Garbe‐Schönberg, Marina Veter, B. Stoll, U. Weis, Michael Weber, F. Lugli, A. Jentzen, R. Schiebel, J. Wassenburg, Dorrit E. Jacob, G. Haug   +11 more
semanticscholar   +1 more source

Towards high accurate neutron-induced fission cross sections of 240,242Pu: Spontaneous fission half-lives

EPJ Web of Conferences, 2013
Fast spectrum neutron-induced fission cross sections of transuranic isotopes are being of special demand in order to provide accurate data for the new GEN-IV nuclear power plants.
Salvador-Castiñeira P., Bryś T., Eykens R., Hambsch F.-J., Moens A., Oberstedt S., Pretel C., Sibbens G., Vanleeuw D., Vidali M.   +9 more
doaj   +1 more source

Reference materials and representative test materials to develop nanoparticle characterization methods: the NanoChOp project case

Frontiers in Chemistry, 2015
This paper describes the production and characteristics of the nanoparticle test materials prepared for common use in the collaborative research project NanoChOp (Chemical and optical characterisation of nanomaterials in biological systems), in casu ...
Gert eRoebben, Vikram eKestens, Zoltan eVarga, Jean eCharoud-Got, Yannic eRamaye, Christian eGollwitzer, Dorota eBartczak, Daniel eGeißler, James eNoble, Stéphane eMazoua, Nele eMeeus, Philippe eCorbisier, Marcell ePalmai, Judith eMihály, Michael eKrumrey, Julie eDavies, Ute eResch-Genger, Neelam eKumarswami, Caterina eMinelli, Aneta eSikora, Heidi eGoenaga-Infante   +20 more
doaj   +1 more source

Citrinin Determination in Food and Food Supplements by LC-MS/MS: Development and Use of Reference Materials in an International Collaborative Study

Toxins, 2021
The development of incurred reference materials containing citrinin (CIT) and their successful application in a method validation study (MVS) in order to harmonize CIT determination in food and food supplements are demonstrated.
Emmanuel K. Tangni, François Van Hove, Bart Huybrechts, Julien Masquelier, Karine Vandermeiren, Els Van Hoeck   +5 more
doaj   +1 more source

Single-molecule sequencing detection of N6-methyladenine in microbial reference materials

Nature Communications, 2019
The DNA base modification N6-methyladenine (m6A) is involved in many pathways related to the survival of bacteria and their interactions with hosts. Nanopore sequencing offers a new, portable method to detect base modifications.
Alexa B. R. McIntyre, Noah Alexander, K. Grigorev, D. Bezdan, Heike Sichtig, C. Chiu, C. Mason   +6 more
semanticscholar   +1 more source