The amount of 175Lu was determined by ICP-OES (iCAP 7000 series, Thermo Scientific, US) at 261.542 nm through a 6-point calibration curve. For further details, see Supplementary information.
Icap 7000 series
Manufactured by Thermo Fisher Scientific
Sourced in United States, United Kingdom
The ICAP 7000 series is an inductively coupled plasma optical emission spectrometer (ICP-OES) designed for elemental analysis. It utilizes plasma technology to atomize and ionize samples, and then detects and quantifies the elements present based on the characteristic wavelengths of the emitted light. The ICAP 7000 series provides multi-element analysis capabilities for a wide range of sample types.
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Lab products found in correlation
K alpha spectrometer, by Thermo Fisher Scientific (2 mentions)
Hydrogen peroxide, by Thermo Fisher Scientific (1 mentions)
San plus, by Skalar (1 mentions)
Digiprep ms, by SCP Science (1 mentions)
Fourier transform infrared spectrometer, by Thermo Fisher Scientific (1 mentions)
Starter 3100, by Thermo Fisher Scientific (1 mentions)
S 4800 scanning electron microscope, by Hitachi (1 mentions)
Tm 1000, by Hitachi (1 mentions)
Vario max cube, by Elementar (1 mentions)
Tg 209 f1 libra, by Netzsch (1 mentions)
Asx 520 autosampler, by Thermo Fisher Scientific (1 mentions)
U 3010 spectrometer, by Hitachi (1 mentions)
Fls 1000 spectrofluorometer, by Oxford Instruments (1 mentions)
Nitrogen cryostat, by Oxford Instruments (1 mentions)
Fluorolog 3 spectrofluorometer, by Horiba (1 mentions)
Acs reagent, by Merck Group (1 mentions)
Jem f200, by Hitachi (1 mentions)
Su 70, by Hitachi (1 mentions)
X series 2, by Thermo Fisher Scientific (1 mentions)
Nova nanosem 230, by Thermo Fisher Scientific (1 mentions)
41 protocols using icap 7000 series
1
Quantifying Lutetium-175 by ICP-OES
2
Trace Metal Digestion and Analysis
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Dried and ground plant material (0.2–0.5 g) was digested in an open vessel system using a graphite-heating block (Mod Block, PN 4370-010007, CPI International). The plant material was digested at 95°C using a modification of the Environmental Protection Agency, (EPA) Method 3050B, as described below. A 5 ml aliquot of 70% nitric acid (70% Trace Metal Grade, Fisher Scientific, Suwanee, GA, United States) was added to the samples and then boiled for approximately 2 h (or until sample was completely clear). After cooling 2.5 ml of 30% hydrogen peroxide (Fisher Scientific, Suwannee, GA, United States) was applied. When the peroxide reaction ceased, samples were reheated for an additional 50 m in covered vials. Samples were cooled overnight, diluted to 50 ml with ultra-pure DI water and then passed through a 25 mm 0.45 μm syringe filter (GE Whatman, Pittsburgh, PA, United States).
Samples were analyzed via Inductively Coupled Optical Emission Spectrometry. (iCAP 7000 Series, Thermo Fisher Scientific, Waltham, MA, United States) A multi-element standard (Environmental Express) was diluted to the same acid concentration as the samples and quantification was done by external calibration.
Samples were analyzed via Inductively Coupled Optical Emission Spectrometry. (iCAP 7000 Series, Thermo Fisher Scientific, Waltham, MA, United States) A multi-element standard (Environmental Express) was diluted to the same acid concentration as the samples and quantification was done by external calibration.
3
Analytical Methods for Lake and Pore Water
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The solutes in lake and pore water, extracts, and digests were analysed by standard methods within a few days after sampling70 (link). SRP and ammonium (NH4+) were determined by segmented flow analysis (Skalar Sanplus, Skalar Analytical B.V., De Breda, The Netherlands). Dissolved metal (Fe, Mn, Mg, Ca) concentrations were determined by inductively coupled plasma optical emission spectrometry (ICP-OES; iCAP 7000 series; Thermo Fisher Scientific, Waltham, MA, USA). Dissolved nitrate and sulphate were quantified by ion chromatography (Shimadzu Corporation, Nakagyo-ku, Japan).
Unfiltered samples consecrated for total P (TP) determination were stored at 4 °C. TP in water samples was measured as SRP after K2S2O8 digestions (5%) at 120 °C. TP content of solid material was determined as SRP after digestion of 5–10 mg dry sediment in a solution of 2 mL 5 M H2SO4, 2 mL 30% H2O2, and 20 mL distilled water at 150 °C for 8 h.
Unfiltered samples consecrated for total P (TP) determination were stored at 4 °C. TP in water samples was measured as SRP after K2S2O8 digestions (5%) at 120 °C. TP content of solid material was determined as SRP after digestion of 5–10 mg dry sediment in a solution of 2 mL 5 M H2SO4, 2 mL 30% H2O2, and 20 mL distilled water at 150 °C for 8 h.
4
Quantifying Nutrient Use Efficiency in Plants
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After drying in a forced air ventilation oven at 60°C for 72 h, each plant part was weighed to determine dry matter. Subsequently, the plant material was ground in a Wiley-type mill and forwarded to nitric–perchloric digestion (Malavolta et al., 1997 ) to quantify K and Na by inductively coupled plasma optical emission spectrometry (ICP-OES; iCAP 7000 Series, Thermo Fisher Scientific, Waltham, United States). Based on the leaf K and Na concentrations, we calculated the K/Na ratio, which was correlated with the estimated rate of maximum dry matter production (critical level of 90% maximum yield) of each genotype, obtained by equaling the equation to zero. The accumulations of K and Na were obtained by multiplying the concentration of each element in the tissue by the dry matter production of the respective tissue (root, stems, and leaves) and used to determine the use efficiency (UE, in grams per milligram) (Siddiqi and Glass, 1981 (link)) according to Equation 3.
where nutrient refers to K or Na accumulation.
where nutrient refers to K or Na accumulation.
5
Mineral Profiling of Cracker Samples
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For the quantitative determination of all elements (Cu, Na, K, Fe, Ca, Zn, Mn, Mg and P) an acid digestion of the sample (about 0.5 g) was performed, using a mixture of HNO3 and HCl (3:1) at 105 °C (with staged heating) in a DigiPrep MS digester (SCP Science, Quebec, QC, Canada). The determination of mineral profile was performed by atomic absorption spectrophotometry and ICP-OES (iCAP 7000 series, Thermo Scientific, Waltham, MA, USA). Analyses were repeated in triplicate and performed on powdered cracker samples [40 (link)].
6
Quantification of Eggshell and Fecal Minerals
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The sampled eggshells, feces, and femur were dried in an air oven at 105 °C until constant weight was reached. The weighed 0.1 g sample was placed into a crucible and carbonized on electric heating plates at 200 °C. Each sample was then ashed in a muffle furnace (FO811C, Yamato scientific America, Inc., Tokyo, Japan) at 550 °C for 3 h, and the ash was weighed to gain the inorganic mass. The ash was dissolved with nitric acid and diluted up to 50 mL with ultra-pure water. The contents of Ca, P, and Mg were analyzed using an inductively coupled plasma-optical emission spectrometer (ICP-OES) (iCAP 7000 SERIES, Thermo, Waltham, MA, USA) [39 (link),40 (link),41 (link)].
7
Silver Release Behavior of Coated Glass
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To investigate the stability and long-term silver release behavior, the coated glass slides were immersed in 5 mL of water under static conditions for at least 30 days. After every 24 h, the leaching medium was collected, followed by replacement with fresh water. The leaching media were acidified by adding a few drops of 98% HNO3 prior to determining the concentration of Ag+ ions by using inductively-coupled plasma atomic emission spectrometry (ICP-AES) (Thermo scientific iCAP 7000 series, Cambridge, UK).
8
Elemental Analysis of Food Samples
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The elemental analysis of macro, micro and trace elements was performed by ICP-OES with iCAP 7000 Series (Thermo Scientific, Waltham, MA, USA), equipped with ASX-520 autosampler (CETAC™) according to Barbarisi et al., 2019 [11 (link)].
A calibration curve was constructed using standard mix solutions containing the analyzed elements. Working standard solutions were prepared by dilutions of a multi-element (1000 µg mL−1) ICP-OES standard (Merck).
A food reference material (NIST 1568b Rice Flour, SIGMA ALDRICH, St. Louis, MO, USA) was digested according to the acid digestion protocol and analysed with ICP-OES, in the same analyses condition of pizza samples.
In order to prevent interference to calibration solutions, 100 µg L−1 yttrium solution (Trace Cert, Fluka) was used as internal standard. The element content was calculated by using standard curves and the final concentrations were expressed as mg element kg−1 dry weight while for trace elements were expressed as µg element kg−1 dry weight.
A calibration curve was constructed using standard mix solutions containing the analyzed elements. Working standard solutions were prepared by dilutions of a multi-element (1000 µg mL−1) ICP-OES standard (Merck).
A food reference material (NIST 1568b Rice Flour, SIGMA ALDRICH, St. Louis, MO, USA) was digested according to the acid digestion protocol and analysed with ICP-OES, in the same analyses condition of pizza samples.
In order to prevent interference to calibration solutions, 100 µg L−1 yttrium solution (Trace Cert, Fluka) was used as internal standard. The element content was calculated by using standard curves and the final concentrations were expressed as mg element kg−1 dry weight while for trace elements were expressed as µg element kg−1 dry weight.
9
Muscle Ca2+ Concentration Determination
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Referring to the method of Wang et al. (2019) (link), 2 g PM muscle sample was weighed and homogenized in an ice-cold 0.15 M KCL solution. The homogenizing conditions were 12,000 rpm for 2 times and each time for 1 min. Afterward, the homogenate was centrifuged at 4°C for 10 min at 27,000 g and the PM muscle tissue supernatant was collected for the Ca2+ concentration. Trichloroacetic acid (5%) was added to the supernatant of PM muscle and the suspensions of mitochondria and sarcoplasmic reticulum, and then strontium chloride (0.5%) was added after standing for 10 min. At room temperature, the samples were centrifuged at 10,000 g for 10 min. The supernatant of PM muscle tissue, mitochondrial, and SR was collected, and then the Inductively Coupled Plasma (iCAP, 7000, SERIES, Thermo Fisher Scientific, Waltham, MA) was used to detect the Ca2+ concentration.
10
Analyzing Ion Release from 3D-Printed Scaffolds
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The three kinds of 3D-printed microporous scaffolds were immersed in 1 M Tris-HCl at 10 mg/ml. Samples were taken at 12 h, 24 h, 3 d, 5 d, 7 d, and 14 d (n = 3), and the concentrations of Ca2+ and PO43− ions were measured by inductively coupled plasma-optical emission spectscopy (ICP-OES, ICAP 7000 SERIES, Thermo Fisher, USA) (Fig. S1D ).
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