Zobrazeno 1 - 10
of 2 591
pro vyhledávání: '"On-site analysis"'
Autor:
Mika I. Umeda, Kaewta Danchana, Takatoshi Fujii, Eiichi Hino, Yusuke Date, Kaoru Aoki, Takashi Kaneta
Publikováno v:
Talanta Open, Vol 10, Iss , Pp 100347- (2024)
We used a microfluidic paper-based analytical device (μPAD) to investigate the influence that zinc reduction exerts on the determination of nitrite and nitrate ions in natural water samples. The μPAD consists of layered channels for the reduction o
Externí odkaz:
https://doaj.org/article/0dc3e274f89d4a9d9e4a3ffed321c5c0
Autor:
Jiayuan Tang, Dali Zhuo, Xiaoyu Dong, Jing Xiao, Shu Zhang, Xiaoli Xiong, Chao Tan, Zhirong Zou
Publikováno v:
Food Chemistry: X, Vol 23, Iss , Pp 101638- (2024)
A gas pressure meter-based portable/miniaturized analytical kit was established for rapid and on-site detection of oxalate. Potassium permanganate (KMnO4) and oxalate solution were mixed together in bottle-in-bottle reaction device, a simple oxidatio
Externí odkaz:
https://doaj.org/article/63325926df8d4f3f814753de27ec4dbe
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The Yan’an gas field in the Ordos Basin is a typical deep coalbed methane field with tremendous resource potential. Evaluation methods for gas content in deep coal seams are urgently required to be established. This study is aimed at quantitatively
Externí odkaz:
https://doaj.org/article/8035d80b1ab548779f54d3a6e57f3966
Autor:
Benjarat Tasangtong, Thanapit Pholsaptanakorn, Thanakorn Tapsawut, Nisakorn Wiwekwin, Jaruwan Mettakoonpitak, Piyaporn Na Nongkhai, Yupaporn Sameenoi
Publikováno v:
Talanta Open, Vol 9, Iss , Pp 100305- (2024)
Chloride (Cl−) is an anion widely distributed in nature. It is also an essential parameter to consider when assessing the water quality for ensuring drinking water safety, preventing infrastructure damage, mitigating environmental impact, identifyi
Externí odkaz:
https://doaj.org/article/1d62fb85268546a99551b882e422ab0c
Technique and preliminary application of field analysis of water content for continental shale cores
Autor:
Mengyao JIA, Yunjie BAO, Zhiming LI, Junying LENG, Wangwei LIU, Jinyi HE, Longfei LU, Maowen LI
Publikováno v:
Shiyou shiyan dizhi, Vol 46, Iss 2, Pp 420-427 (2024)
Fluid analysis of continental shale layers plays a crucial role in evaluating shale oil layer selection. Given the current state of technologies of fluid characterization for continental shale layers and well-site requirements, a rapid method for tes
Externí odkaz:
https://doaj.org/article/7c70558130a44c6f8f17aca363dd1674
Autor:
Tolkyn Kurmanbayeva, Bauyrzhan Bukenov, Zhansaya Rymzhanova, Nargiz Kazhkenova, Aibolat Imangabassov, Aruzhan Smail, Nurbi Karimkyzy, Bulat Kenessov
Publikováno v:
Advances in Sample Preparation, Vol 10, Iss , Pp 100117- (2024)
This paper represents an improved method for on-site quantitation of benzene, toluene, ethylbenzene, and xylenes (BTEX) in atmospheric air using solid-phase microextraction (SPME) and portable gas chromatography with a split/splitless inlet and photo
Externí odkaz:
https://doaj.org/article/7e3fde786c074371a21030b7f8c85131
Autor:
Malec Tomasz Eugeniusz
Publikováno v:
Architecture, Civil Engineering, Environment, Vol 16, Iss 4, Pp 33-44 (2023)
The climatic conditions on Mars are significantly different from those on Earth, which is the main factor affecting the potential architectural solutions on this planet. Above all, high levels of cosmic radiation of solar and extragalactic origin req
Externí odkaz:
https://doaj.org/article/5559d4ac47e34072a5b42da9b978b8e2
Publikováno v:
BMC Bioinformatics, Vol 24, Iss 1, Pp 1-31 (2023)
Abstract Background Integration site (IS) analysis is a fundamental analytical platform for evaluating the safety and efficacy of viral vector based preclinical and clinical Gene Therapy (GT). A handful of groups have developed standardized bioinform
Externí odkaz:
https://doaj.org/article/d7e664d64c5543e5bfcd857847f6fcce
Publikováno v:
Foods, Vol 13, Iss 8, p 1280 (2024)
Abuse of herbicides in food safety is a vital concern that has an influence on the sustainable development of the world. This work presents, a modified ionization method with separation of the sample and carrier gas inlets, which was utilized for eff
Externí odkaz:
https://doaj.org/article/49cc5af963044a868a9fed6a693af32d
Autor:
Blessy Antony, Hannah Blau, Elena Casiraghi, Johanna J. Loomba, Tiffany J. Callahan, Bryan J. Laraway, Kenneth J. Wilkins, Corneliu C. Antonescu, Giorgio Valentini, Andrew E. Williams, Peter N. Robinson, Justin T. Reese, T.M. Murali, Christopher Chute
Publikováno v:
EBioMedicine, Vol 96, Iss , Pp 104777- (2023)
Summary: Background: The cause and symptoms of long COVID are poorly understood. It is challenging to predict whether a given COVID-19 patient will develop long COVID in the future. Methods: We used electronic health record (EHR) data from the Nation
Externí odkaz:
https://doaj.org/article/a120f818fcbe4eeeaff743a2be329506