Results 31 to 40 of about 1,589,502 (297)

Spatially Resolved Mass Spectrometry at the Single Cell: Recent Innovations in Proteomics and Metabolomics

Journal of the American Society for Mass Spectrometry, 2021
Biological systems are composed of heterogeneous populations of cells that intercommunicate to form a functional living tissue. Biological function varies greatly across populations of cells, as each single cell has a unique transcriptome, proteome, and ...
Michael J Taylor, J. Lukowski, C. Anderton   +2 more
semanticscholar   +1 more source

Determination of Selenium and Vitamin E in Women Breast Milk of Lacting, Commercial and soil by Atomic Absorption Spectrometry and HPLC Respectively Breast Milk of Lacting, Commercial and soil by Atomic Absorption Spectrometry and HPLC Respectively [PDF]

Kirkuk Journal of Science, 2006
The present work is an attempt to study the level of selenium in (63) samples of human breast milk which were collected in Tikrit region. The concentrations ranged (27.4 - 22.8 mg/L), while the concentration in (143) samples of commercially available ...
Kameran Sh.Hussein
doaj   +1 more source

Investigating the ability of Visible -NIR spectrometry to estimate some soil properties [PDF]

مجله جنگل ایران, 2020
Knowledge of soil chemical properties is important for understanding its engineering characteristics in road construction. Reflectance spectrometry is a non-destructive, fast and environment friendly method, but unfortunately no research has been ...
Fatemeh Mousavi, Ehsan Abdi, Abbas Ghalandarzadeh, Hosseinali Bahrami, Baris Majnounian   +4 more
doaj  

Harnessing chlorophyll and canopy reflectance indices relationship for grain yield, protein and starch content in maize cultivars under different nitrogen treatments

Plant, Soil and Environment
Crop production faces increased climate change and land degradation stresses, compromising global food security with the growing population. Maize (Zea mays L.) is a versatile crop used for food, feed, and raw materials, contributing significantly to ...
Muhoja Sylivester Nyandi, Ebenezer Ayew Appiah, Petér Pepó   +2 more
doaj   +1 more source

Behaviour of Zinc Complexes and Zinc Sulphide Nanoparticles Revealed by Using Screen Printed Electrodes and Spectrometry

Sensors, 2013
In this study, we focused on microfluidic electrochemical analysis of zinc complexes (Zn(phen)(his)Cl2, Zn(his)Cl2) and ZnS quantum dots (QDs) using printed electrodes.
Lukas Nejdl, Branislav Ruttkay-Nedecky, Jiří Kudr, Monika Kremplova, Natalia Cernei, Jan Prasek, Marie Konecna, Jaromir Hubalek, Ondrej Zitka, Jindrich Kynicky, Pavel Kopel, Rene Kizek, Vojtech Adam   +12 more
doaj   +1 more source

Application of Spectrometry for Determining the Solar Radiation of Deciduous Trees’ Shade: A Passive Energy Conservation Approach for Mediterranean Climates

Buildings, 2023
Deciduous trees are well known for controlling solar gains in buildings, contributing to energy savings in a sector that consumes 35% of global energy. However, there is still a lack of information about the real thermal impact that deciduous trees have.
María Luisa del Campo-Hitschfeld, Nicolás Arenas, Marco Rivera, Pablo Ballesteros-Pérez   +3 more
doaj   +1 more source

Spectrometric and Voltammetric Analysis of Urease – Nickel Nanoelectrode as an Electrochemical Sensor

Sensors, 2007
Urease is the enzyme catalyzing the hydrolysis of urea into carbon dioxide andammonia. This enzyme is substrate-specific, which means that the enzyme catalyzes thehydrolysis of urea only.
Rene Kizek, Josef Zehnalek, Martin Adamek, Katerina Klosova, Ales Horna, Libuse Trnkova, Michal Masarik, Dalibor Huska, Olga Krystofova, Vojtech Adam, Jan Hradecky, Jaromir Hubalek   +11 more
doaj   +1 more source

Evaluation of dentin remineralization with zinc oxide and calcium fluoride nanoparticles – An In vitro study

Contemporary Clinical Dentistry, 2023
Background: Partially demineralized dentin is remineralizable when mineral ions are made available in the near vicinity. Nanoparticles (NPs) have wide applications in remineralization process.
P Ahalya, K S Uloopi, C Vinay, Kakarla Sri RojaRamya, RamaKrishna Alla, P RangaRaju   +5 more
doaj   +1 more source

Mass spectrometry

Environmental Chemical Analysis, 2018
Download the annotations file of all identified pep-tides. Compute empirically the following P A,H2O : the probability of seeing a water loss in an ion fragment when the fragment contains acidic residues.
Somenath Mitra, P. Patnaik, B. Kebbekus
semanticscholar   +1 more source

Proteomics: A new perspective for cancer

Advanced Biomedical Research, 2016
In the past decades, several ground breaking discoveries in life science were made. The completion of sequencing the human genome certainly belongs to the key tasks successfully completed, representing a true milestone in the biomedicine.
Basavaradhya Sahukar Shruthi, Palani Vinodhkumar, Selvamani   +2 more
doaj   +1 more source