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Orthogonal Extraction Ion Mobility Spectrometry

2019-5-11 · D does not depend on the instrument geometry, ion mobility etc. For singly-charged ions, R D˜ can be calculated [23] as˜R D 1/216.5 (U/T), where U is the voltage applied across of the drift tube and T is the buffer gas absolute temper-ature. If the temperature T is 300 °K (typically even higher temperatures are used to avoid various undesir-

Structural Analysis of Polyurethane Monomers by …

2019-5-14 · at a flow rate of 100 mL min−1, split injected (1:100) into the GC,andthenseparatedbyanAgilentDB-5MScolumnusinga temperature program (40 °C hold for 2 min, 8 °C/min to 320 °C, hold for 8 min, flow rate 1 mL min−1). The GC Pyrolyzer and GC MS interfaces were held at 310 °C. Ammonia dopant

RESEARCH Open Access Overproduction of valuable ...

2017-8-29 · ploids, flow cytometry analysis (FCM) was conducted by using a Partec, PA, flow cytometer equipped with a mer-cury lamp (Partec, Germany). Nuclei suspension was pre-pared by chopping a small piece of fresh leaves (about 0.5 cm2)in400μl of nuclei extraction buffer (Partec PA, Germany). After filtration through a Partec 30 μm Cell

Characterization of Protostane Triterpenoids in Dried ...

LC/MS analysis: The phytochemicals in an extract of Ze Xie w er e dir ectl y anal yz ed b y LC-MS/MS . LC-MS/MS w as perf or-med using a MicrOTOF-Q II Focus mass spectrometer (Bruker Daltonics) equipped with an Agilent 1100 ser ies liquid c hroma-togra ph. A 250 mm × 4.6 mm i.d . Acclaim C 18 column (Dione x, USA) was used at a flow rate of 0 ...

How Closely Related Are Conformations of Protein Ions ...

2017-8-25 · IMS gas flow rate (mL/min) 90 80 70 60 50 40 0.0 0.2 0.4 0.6 0.8 1.0 I E (c) (d) 90 80 70 60 50 40 C I E high intermediate ance d abun e Relativ conditions low Relative abundance 0.0 0.2 0.4 0.6 0.8 1.0 C I E i ii iii iv v vi Extraction cone (EC) He cell IM T-wave Transfer T-wave Trap Quadrupole T-wave Capillary Sampling cone (SC) to TOF (a ...

RESEARCH ARTICLE Proteomic analysis of cold …

2019-2-4 · 2-D liquid phase separation / Bacterial cold adaptation / ESI-TOF MS / MALDI-TOF MS / MALDI-QIT-TOF MS Proteomics 2006, 6, 5221–5233 5221 1 Introduction Low temperature is a predominant environmental char-acteristic of most parts of the earth''s surface. Approximately 70% of the earth''s surface is covered by oceans with an aver-

(PDF) Study of the Organic Extraction and Acidic Leaching ...

steps and the mass of char sample) were of 66% for char 1, 63% for char 2 and 81% for char 3. The highest extraction yield obtained for char 3 confirms that the pyrolysis liquid oils of mixture 3 were

Analytical Methodologies for the Control of Particle-Phase ...

2013-4-30 · A restrictor valve (changing the CO 2 from condensed to gaseous phase) provides precise control over flow-rates (c) Assisted-Solvent Extraction: ASE operates by moving the extraction solvent through an extraction cell which is heated by direct contact of the oven. Extractions can be performed first in static mode; when the extraction is ...

Orthogonal Extraction Ion Mobility Spectrometry

2017-1-29 · D does not depend on the instrument geometry, ion mobility etc. For singly-charged ions, R D canbecalculated[23]as R D 1/216.5 (U/T), where U is the voltage applied across of the drift tube and T is the buffer gas absolute temper-ature. If the temperature T is 300 °K (typically even higher temperatures are used to avoid various undesir-

Extraction and Characterization of Polyphenols from ...

(2020): Extraction and Characterization of Polyphenols from Artocarpus heterophyllus and Its Effect on Oxidative Stability of Peanut Oil, International Journal of Fruit Science, DOI: 10.1080 ...

Orbitrap LC-MS Comparison Chart | Thermo Fisher …

Orbitrap LC-MS Comparison Chart. Choose from an extensive portfolio of Thermo Scientific high-resolution, accurate-mass (HRAM) Orbitrap mass analyzers. Our Orbitrap-based MS systems connect to liquid chromatography instruments to enhance separation of unknown and known compounds and enable high-throughput workflows.

(PDF) PTR-QMS versus PTR-TOF comparison in a region …

2015-1-26 · PTR-QMS versus PTR-TOF comparison in a region with oil and natural gas extraction industry in the Uintah Basin in 2013 January 2015 Atmospheric Measurement Techniques 8(1):411-420

Hydrothermal Liquefaction of Food Waste Char …

2020-12-22 · The carrier gas was helium at a flow rate of 1 mL min-1. Mass resolution was +/- 0.0005 amu. HR-TOF data was sampled at an acquisition rate of 200 spectra per second (actual data collection rate was 187.5 spectra per second) in the mass range of …

Agilent 6530 Accurate-Mass Q-TOF LC/MS

2018-2-24 · Agilent True Hi-Def TOF technology, a key feature of Agilent''s 6500 Series Q-TOF LC/MS instruments, delivers outstanding Q-TOF performance char-acteristics without any performance compromises. † Sub 1-ppm mass accuracy improves confi dence and reduces false positives † > 20,000 mass resolution distinguishes target analytes from interferences

Chapter 1 PLANT METABOLOMICS IN A NUTSHELL: …

2020-2-9 · c01 BLBK354-Hall January 18, 2011 11:25 Trim: 234mm×156mm Series: APR Char Count= Plant metabolomics in a nutshell 3 Table 1.1 A short list of some of the most commonly encountered technological terms in the metabolomics literature

A Novel Strategy for the Analysis of Phosphopeptides ...

2007-11-21 · • All data was acquired on the Q-ToF Premier in continuum mode over the m/z ranges 50-1990 in W-optics mode. • Instrument resolution was better than 17,500 FWHM and typical instrument source conditions were as follows: Capillary Voltage 4.25 kV, Cone Voltage 28 V, Extraction Cone Voltage 2 V, Source Pressure 1.65 e0 mbar.

Compositional features of extracts from Shenmu char …

2016-1-1 · Shenmu char powder (SCP) was sequentially extracted with petroleum ether, carbon disulfide, dichloromethane, acetone, and methanol in a Soxhlet extractor to obtain extracts 1–5 (E 1–5) and final residue. The total extract yield of SCP is 1.76%. All the extracts were characterized with gas chromatograph/mass spectrometer (GC/MS), atmospheric ...

Purification of Pyridylaminated Oligosaccharides Using …

2-AP, performed extraction with DCE, and analyzed the residue on a glass tube using HPLC. Almost the entire background was removed by DCE extraction, and PA-maltoheptaose was detected at 6.9 min (Fig. 2a). The isolated peaks were analyzed using MALDI-TOF/TOF MS, and the presence of the sodium

A novel strategy for D-psicose and lipase co-production ...

2021-8-19 · To develop an economically feasible fermentation process, this study designed a novel bioprocess based on the co-culture of engineered Bacillus subtilis and Escherichia coli for the co-production of extracellular D-psicose and intracellular lipase. After optimizing the co-culture bioprocess, 11.70 g/L of D-psicose along with 16.03 U/mg of lipase was obtained; the glucose and fructose were ...

Extract Text From an Image | Online Text Extractor ...

Extract text from an image. The text extractor will allow you to extract text from any image. You may upload an image or document (.pdf) and the tool will pull text from the image. Once extracted, you can copy to your clipboard with one click.

make: *** No rule to make target 、 ...

2014-8-6 · 1+. 【】:Eclipse, " No rule to make target "; 【 】:,.o.d,。. KEIL ...