Results 21 to 30 of about 1,394,431 (303)

Europium(III) Macrocyclic Chelates Appended with Tyrosine-based Chromophores and Di-(2-picolyl)amine-based Receptors: Turn-On Luminescent Chemosensors Selective to Zinc(II) Ions [PDF]

open access: yes, 2020
[Abstract] Zinc ions play an important role in many biological processes in the human body. To selectively detect Zn²⁺, two EuDO3A‐based complexes (DO3A=1,4,7,10‐tetraazacyclododecane‐1,4,7‐tricarboxylic acid) appended with tyrosine as a chromophore and ...
Angelovski, Goran   +2 more
core   +2 more sources

Assessment of Pb, Cd, and Zn in Isfahan’s air dust during 2015-2017 (A case study: North, West, and East Stations of Isfahan) [PDF]

open access: yesJournal of Advances in Environmental Health Research, 2019
The present study aimed to measure the heavy metals existing in Isfahan’s dust at three stations during 2015-2017. This study was carried out in three stations located at north and northwest, west and southwest, and east and southeast parts of Isfahan ...
Amir Hossein Baghaie, Abbas Ahmadi
doaj   +1 more source

Iron and zinc grain density in common wheat grown in Central Asia [PDF]

open access: yes, 2007
Sixty-six spring and winter common wheat genotypes from Central Asian breeding programs were evaluated for grain concentrations of iron (Fe) and zinc (Zn). Iron showed large variation among genotypes, ranging from 25 mg kg1 to 56 mg kg1 (mean 38 mg kg1).
Abugalieva, Aigul   +10 more
core   +1 more source

The quality of ram spermatozoa after thawing with the addition of Mn2+, Zn2+ and Cu2+ nanocitrate to cryopreservation diluent

open access: yesБіологія тварин, 2023
The aim of the study was to find out the effect of adding nanocitrate of Mn, Zn and Cu to the diluent for ram spermatozoa cryopreservation on its quality and ability for fertilizing.
O. Sharan, V. Stefanyk, M. Murawski
doaj   +1 more source

Chemical and nutritional characterization of bean genotypes (Phaseolus vulgaris L.)

open access: yesAIMS Agriculture and Food, 2021
Beans (Phaseolus vulgaris L.) are the most important legume for human consumption, and have essential nutrients for physiological processes. As examples, we can mention Fe and Zn.
Julliane Destro de Lima   +5 more
doaj   +1 more source

Mapping QTLs for mineral accumulation and shoot dry biomass under different Zn nutritional conditions in Chinese cabbage ( Brassica rapa L. ssp. pekinensis ) [PDF]

open access: yes, 2008
Chinese cabbage (Brassica rapa L. ssp. pekinensis) is one of the most important vegetables in China. Genetic dissection of leaf mineral accumulation and tolerance to Zn stress is important for the improvement of the nutritional quality of Chinese cabbage
Aarts, M.G.M.   +10 more
core   +2 more sources

Impact of limited solvent capacity on metabolic rate, enzyme activities, and metabolite concentrations of S. cerevisiae glycolysis [PDF]

open access: yes, 2008
The cell's cytoplasm is crowded by its various molecular components, resulting in a limited solvent capacity for the allocation of new proteins, thus constraining various cellular processes such as metabolism.
Barabási, AL   +3 more
core   +1 more source

Spectrophotometric fast determination of Cu and Zn in Steel Cord Brass Coating via an Effective Masking Approach [PDF]

open access: yesJournal of Chemistry Letters
The Cu2+ and Zn2+ ions were determined in the steel cord brass coatings with high precise. HNO3 65% was used for digesting the coatings and releasing the ions into environment.
Farinaz Shahimi
doaj   +1 more source

Classical and Modern gain estimation approach of PID controller for the pitch control of the RCTA aircraft [PDF]

open access: yesINCAS Bulletin, 2022
In the current age of globalization, the development of autopilots is superficial as the standard of living is improved through aerial surveillance, defense applications, and door- to-door transportation.
Roli JAISWAL, Om PRAKASH
doaj   +1 more source

Investigation on Beneficiation of a Complex Copper-lead-zinc Polymetallic Ore in Qinghai

open access: yesKuangchan zonghe liyong
A copper-lead-zinc polymetallic ore in Qinghai has characteristics of complex ore properties, low copper-lead-zinc content, high sulfur content, and high argillated gangue content, so it is difficult to beneficiate.
Shunfu AO   +6 more
doaj   +1 more source

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