Screening Arabidopsis thaliana mutants for low sensitivity to manganese
Manganese (Mn) is an essential micronutrient; however, few genes required for growth under low-Mn conditions have been identified. In this study, we isolated Arabidopsis thaliana mutants sensitive to low-Mn conditions from ethyl methanesulfonate-mutagenized seeds. ... Screening Arabidopsis thaliana mutants for low sensitivity to …
How To Process Natural Manganese Sand?
After crushing and screening, the manganese sand is often cleaned to remove impurities or contaminants. This step helps improve the quality of the manganese sand and ensures that it meets the required standards for water treatment. Activation. In some cases, the manganese sand may undergo an activation process to enhance its …
Manganese concentration in concentrates of different …
Download scientific diagram | Manganese concentration in concentrates of different origins calculated to a total sugar content of 12.8 °Brix from publication: Manganese screening of pineapple by ...
Herbarium X-ray fluorescence screening for nickel, cobalt and manganese …
In this study a new approach ("Herbarium X-ray Fluorescence Ionomics") was used to obtain elemental data from herbarium specimens using non-destructive X-ray Fluorescence spectroscopy analysis. In total ~7300 specimens were thus analysed for nickel, cobalt, and manganese concentrations at the Herbarium of the Forest Research Centre (FRC) in ...
Screening and Efficacy Evaluation of High-Yielding Manganese …
The analysis of enzymatic properties showed that the optimum reaction temperature of manganese peroxidase in this study was 20–40 ℃; When the pH is between 4.8–5.6, the stability of manganese peroxidase is good; Cu 2+, Fe 2+, Mn 2+ can promote the activity of manganese peroxidase in this study, while K 2+ has obvious inhibition, which can ...
Screening diverse wheat genotypes for manganese efficiency …
Thus, the results of screening based solely on Mn efficiency index and/or Mn efficiency, would be confounding. This screening criteria of nutrient efficiency can be useful only when the genotypes under study have same yields under non limiting nutrient availability (Jhanji et al., 2013).
Diagnosis of manganism and manganese neurotoxicity: A …
With declining exposures to manganese (Mn) in occupational settings, there is a need for more sensitive exposure assessments and clinical diagnostic criteria for …
Optimization of fluorescence assay of cellular manganese
However, screening for small molecule chemical modifiers of neurotoxicants has been limited by the scalability of existing phenotyping assays. Furthermore, the ada … Optimization of fluorescence assay of cellular manganese status for high throughput screening J Biochem Mol Toxicol. 2013 Jan;27(1):42-9. doi: 10.1002/jbt.21457 . ...
Manganese screening of pineapple by total …
Download scientific diagram | Contents in manganese in the skin, the flesh and the core of pineapples (n = 3 pineapples × 3 rep.) from publication: Manganese screening of pineapple by total ...
A REVIEW of RECENT MANGANESE EXPLORATION in the …
This report reviews recent exploration activities in search of economic manganese deposits in the Borroloola area of Arnhem Land in the Northern Territory. It also presents a guide …
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Valence‐band x‐ray photoelectron spectroscopic studies of manganese …
Abstract Valence-band and core-level x-ray photoelectron spectroscopy (XPS) of manganese and its oxides is reported and the valence-band spectra are interpreted by various calculation models. ... Valence-band x-ray photoelectron spectroscopic studies of manganese and its oxides interpreted by cluster and band structure calculations. …
Optimization of fluorescence assay of cellular manganese
By optimizing cellular density, manganese (Mn) exposure conditions, and extraction parameters, the sensitivity and dynamic range of the fura-2 Mn response was enhanced …
Screening for natural manganese scavengers
DOI: 10.1016/j.jclepro.2022.132811 Corpus ID: 249944417; Screening for natural manganese scavengers: Divergent phytoremediation potentials of wetland plants @article{Ferreira2022ScreeningFN, title={Screening for natural manganese scavengers: Divergent phytoremediation potentials of wetland plants}, author={Amanda Duim …
The role of manganese dysregulation in neurological …
In this Review, we provide a comprehensive overview of the biological significance of manganese in disease states, with a particular focus on the neurological symptoms of …
WD DWGB-3-2 Arsenic in New Hampshire Well Water
Manganese dioxide-based filter media such as Birm®, Greensand® or Filox® are commonly used. These media oxidize iron and arsenic simultaneously, also addressing …
Hollow urchin-shaped manganese dioxide microspheres …
DOI: 10.1016/j.chroma.2022.462824 Corpus ID: 245921719; Hollow urchin-shaped manganese dioxide microspheres immobilized acetylcholinesterase for rapid screening inhibitors from traditional herbal medicines.
Screening of 19 Salix clones in effective phytofiltration potentials …
Screening of 19 Salix clones in effective phytofiltration potentials of manganese, zinc and copper in pilot-scale wetlands Int J Phytoremediation . 2018;20(13):1275-1283. doi: 10.1080/15226514.2014.898020.
Manganese-oxidizing microbes and biogenic manganese …
Manganese oxides are the strongest natural oxidants in our environments aside from oxygen. Most natural manganese oxides are produced through the Mn(II) oxidation process driven by microbes. Biogenic manganese oxides (BioMnOx) are usually amorphous and rich in defects and possess large surface areas, resulting in high …
Manganese screening of pineapple by total-reflection X-ray …
Manganese is regarded as an essential trace element for human nutrition and is found in pineapple fruits in elevated concentrations. In this study, the manganese content of pineapple and pineapple juice was analysed by total-reflection X-ray fluorescence (TXRF) spectroscopy. The manganese concentration in whole fruits was highly variable, …
Inhibiting Pneumococcal Surface Antigen A (PsaA) with Small
The pneumococcal surface antigen A (PsaA) metal transporter protein provides manganese to bacterial cells. The X-ray crystal structures of PsaA, in both closed (Mn bound) and open (metal free) conformations, were explored with virtual screening to identify potential inhibitors of manganese transport …
Manganese Toxicity Upon Overexposure: a Decade in Review
Introduction. Manganese (Mn) is the 12th most abundant element on the earth [].As a transition metal, Mn exists in more than five valence states, with a majority as Mn 2+ or Mn 3+ [].In the environment, it is found mainly in its oxidized chemical forms, as MnO 2 or Mn 3 O 4 [].Mn is essential to human health, acting as a co-factor in the active centers of …
A Screening Tool to Detect Clinical Manganese Neurotoxicity
Manganese (Mn) over-exposure in occupational settings is associated with basal ganglia toxicity and a movement disorder characterized by parkinsonism (i.e., the signs and …
Multiple Scattering Calculations of Bonding and X-ray …
We present near edge X-ray absorption spectra of manganese oxides at the Mn L2,3, Mn K, and O K edges to investigate the relative sensitivity of the edges to bonding and structure. Collectively, the spectra probe local electronic structure and intermediate range crystal structure. Spin independent full multiple scattering calculations of the Mn K edge …
[PDF] Screening the toxicity profile and
In this study, the toxicity induced by excessive doses of manganese (MnCl2), which is one of the essential trace elements for the continuation of the metabolic activities of the organisms, was investigated with the help of the Allium test. Toxicity was investigated by using physiological (percent germination, root length, weight gain), cytogenetic [mitotic …
Herbarium X-ray fluorescence screening for nickel, cobalt and manganese …
In this study a new approach ("Herbarium X-ray Fluorescence Ionomics") was used to obtain elemental data from herbarium specimens using non-destructive X-ray Fluorescence spectroscopy analysis. In total ~7300 specimens were thus analysed for nickel, cobalt, and manganese concentrations at the Herbarium of the Forest Research …
Screening and Identification of a Manganese-resistant …
Strain NB-7 was isolated from soil samples which were collected from an electrolytic manganese processing factory of Shaanxi Nanbao Manganese Industry.The strain NB-7 was resistant to the maximum Mn2+ mass concentration 40 mg/L.Morphological and 16S rRNA gene sequence were used for identification.Strain NB-7 was identified as …
Screening the toxicity profile and genotoxicity mechanism …
Manganese (Mn) is one of the trace elements with heavy metal properties. It is a pinkish gray element with the symbol Mn. It is located in group 7 of the periodic table and its atomic number is 25. Its boiling point is 2061 °C, its melting point is 1247 °C and its density is 7.44 g/cm 3. Mn is an element commonly found in the earth's crust.
(PDF) Screening and Characterization of Manganese(II) …
Key Words bacterial Mn(II) oxidation, δ-MnO 2, birnessite, Mn bacteria, multicopper oxidase, X-ray absorption spectroscopy, Mn minerals s Abstract Manganese(IV) oxides produced through microbial ...
Designing an aromatic moiety-free neutral luminescent manganese
The designed aromatic moiety-free neutral luminescent manganese(II) bromide (TPPOMnBr 2) featuring an intense green emission (512 nm) and a short emission lifetime (0.564 ms) is employed to realize efficient X-ray imaging with a high spatial resolution value of 11.3 lp mm −1 and a low detection limit of 34.95 nGy s −1, making it a promising ...