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133 results for “quantitative methods”
Figure 2 from: Logoyda L, Herasymiuk M, Popovych D, Pidruchna S, Hlushok V, Herasymiuk N, Zarivna N (2020) HPLC MS/MS method development for the quantitative determination of verapamil hydrochloride from Caco-2 cell monolayers. Pharmacia 67(2): 63-69. https://doi.org/10.3897/pharmacia.67.e48896
Figure 2 Gradient curve.
Figure 1 from: Logoyda L, Herasymiuk M, Popovych D, Pidruchna S, Hlushok V, Herasymiuk N, Zarivna N (2020) HPLC MS/MS method development for the quantitative determination of verapamil hydrochloride from Caco-2 cell monolayers. Pharmacia 67(2): 63-69. https://doi.org/10.3897/pharmacia.67.e48896
Figure 1 Chemical structure of verapamil.
Figure 1 from: Logoyda L (2020) HPLC-MS/MS method development for the quantitative determination of nifedipine for Caco-2 permeability assay. Pharmacia 67(2): 83-88. https://doi.org/10.3897/pharmacia.67.e50159
Figure 1 The chemical structure of nifedipine.
Figure 4 from: Logoyda L (2020) HPLC-MS/MS method development for the quantitative determination of nifedipine for Caco-2 permeability assay. Pharmacia 67(2): 83-88. https://doi.org/10.3897/pharmacia.67.e50159
Figure 4 Thecalibration curve of nifedipine in human plasma.
Figure 3 from: Logoyda L, Herasymiuk M, Popovych D, Pidruchna S, Hlushok V, Herasymiuk N, Zarivna N (2020) HPLC MS/MS method development for the quantitative determination of verapamil hydrochloride from Caco-2 cell monolayers. Pharmacia 67(2): 63-69. https://doi.org/10.3897/pharmacia.67.e48896
Figure 3 Typical multiple reaction monitoring chromatograms of verapamil.
Figure 4 from: Sharmin S, Sohrab MH, Moni F, Afroz F, Rony SR, Akhter S (2020) Simple RP-HPLC method for Aceclofenac quantitative analysis in pharmaceutical tablets. Pharmacia 67(4): 383-391. https://doi.org/10.3897/pharmacia.67.e57981
Figure 4 Sensitivity Study.
Figure 3 from: Sharmin S, Sohrab MH, Moni F, Afroz F, Rony SR, Akhter S (2020) Simple RP-HPLC method for Aceclofenac quantitative analysis in pharmaceutical tablets. Pharmacia 67(4): 383-391. https://doi.org/10.3897/pharmacia.67.e57981
Figure 3 Calibration curve of linearity Study.
Figure 5 from: Sharmin S, Sohrab MH, Moni F, Afroz F, Rony SR, Akhter S (2020) Simple RP-HPLC method for Aceclofenac quantitative analysis in pharmaceutical tablets. Pharmacia 67(4): 383-391. https://doi.org/10.3897/pharmacia.67.e57981
Figure 5 Specifity study-response of the standard, sample, excipient and mobile phase.
Figure 2 from: Sharmin S, Sohrab MH, Moni F, Afroz F, Rony SR, Akhter S (2020) Simple RP-HPLC method for Aceclofenac quantitative analysis in pharmaceutical tablets. Pharmacia 67(4): 383-391. https://doi.org/10.3897/pharmacia.67.e57981
Figure 2 Absorbance maxima of Aceclofenac.
Figure 1 from: Sharmin S, Sohrab MH, Moni F, Afroz F, Rony SR, Akhter S (2020) Simple RP-HPLC method for Aceclofenac quantitative analysis in pharmaceutical tablets. Pharmacia 67(4): 383-391. https://doi.org/10.3897/pharmacia.67.e57981
Figure 1 Aceclofenac.
Figure 4 from: Logoyda L, Piponski M, Kovalenko S, Dutchak O, Denefil O, Soroka Y, Pidruchna S, Popovych D, Susla O (2021) Method development for the quantitative determination of captopril from Caco-2 cell monolayers by using LC-MS/MS. Pharmacia 68(1): 61-67. https://doi.org/10.3897/pharmacia.68.e52077
Figure 4 The calibration curve of captopril.
Figure 3 from: Logoyda L, Piponski M, Kovalenko S, Dutchak O, Denefil O, Soroka Y, Pidruchna S, Popovych D, Susla O (2021) Method development for the quantitative determination of captopril from Caco-2 cell monolayers by using LC-MS/MS. Pharmacia 68(1): 61-67. https://doi.org/10.3897/pharmacia.68.e52077
Figure 3 Typical multiple reaction monitoring chromatograms of captopril.
Figure 2 from: Logoyda L, Piponski M, Kovalenko S, Dutchak O, Denefil O, Soroka Y, Pidruchna S, Popovych D, Susla O (2021) Method development for the quantitative determination of captopril from Caco-2 cell monolayers by using LC-MS/MS. Pharmacia 68(1): 61-67. https://doi.org/10.3897/pharmacia.68.e52077
Figure 2 Gradient curve.
Figure 1 from: Logoyda L, Piponski M, Kovalenko S, Dutchak O, Denefil O, Soroka Y, Pidruchna S, Popovych D, Susla O (2021) Method development for the quantitative determination of captopril from Caco-2 cell monolayers by using LC-MS/MS. Pharmacia 68(1): 61-67. https://doi.org/10.3897/pharmacia.68.e52077
Figure 1 Chemical structure of captopril.
Data from: Assessment of intrathecal free light chain synthesis: comparison of different quantitative methods with the detection of oligoclonal free light chains by isoelectric focusing and affinity-mediated immunoblotting
Objectives: We aimed to compare various methods for free light chain (fLC) quantitation in cerebrospinal fluid (CSF) and serum and to determine whether quantitative CSF measurements could reliably predict intrathecal fLC synthesis. In addition, we wished to determine the relationship between free kappa and free lambda light chain concentrations in CSF and serum in various disease groups. Methods: We analysed 166 paired CSF and serum samples by at least one of the following methods: turbidimetry (Freelite™, SPAPLUS), nephelometry (N Latex FLC™, BN ProSpec), and two different (commercially available and in-house developed) sandwich ELISAs. The results were compared with oligoclonal fLC detected by affinity-mediated immunoblotting after isoelectric focusing. Results: Although the correlations between quantitative methods were good, both proportional and systematic differences were discerned. However, no major differences were observed in the prediction of positive oligoclonal fLC test. Surprisingly, CSF free kappa/free lambda light chain ratios were lower than those in serum in about 75% of samples with negative oligoclonal fLC test. In about a half of patients with multiple sclerosis and clinically isolated syndrome, profoundly increased free kappa/free lambda light chain ratios were found in the CSF. Conclusions: Our results show that using appropriate method-specific cut-offs, different methods of CSF fLC quantitation can be used for the prediction of intrathecal fLC synthesis. The reason for unexpectedly low free kappa/free lambda light chain ratios in normal CSFs remains to be elucidated. Whereas CSF free kappa light chain concentration is increased in most patients with multiple sclerosis and clinically isolated syndrome, CSF free lambda light chain values show large interindividual variability in these patients and should be investigated further for possible immunopathological and prognostic significance.
Figure 2 from: Kirakosyan VG, Tsaturyan AH, Poghosyan LE, Minasyan EV, Petrosyan HR, Sahakyan LY, Sargsyan TH (2022) Detection and development of a quantitation method for undeclared compounds in antidiabetic biologically active additives and its validation by high performance liquid chromatography. Pharmacia 69(1): 45-50. https://doi.org/10.3897/pharmacia.69.e76247
Figure 2 Method selectivity.
Figure 3 from: Kirakosyan VG, Tsaturyan AH, Poghosyan LE, Minasyan EV, Petrosyan HR, Sahakyan LY, Sargsyan TH (2022) Detection and development of a quantitation method for undeclared compounds in antidiabetic biologically active additives and its validation by high performance liquid chromatography. Pharmacia 69(1): 45-50. https://doi.org/10.3897/pharmacia.69.e76247
Figure 3 Calibration curves of 1-Gliclazide, 2-Glibenclamide, 3-Glimepiride and 4-Metformin.
Figure 1 from: Kirakosyan VG, Tsaturyan AH, Poghosyan LE, Minasyan EV, Petrosyan HR, Sahakyan LY, Sargsyan TH (2022) Detection and development of a quantitation method for undeclared compounds in antidiabetic biologically active additives and its validation by high performance liquid chromatography. Pharmacia 69(1): 45-50. https://doi.org/10.3897/pharmacia.69.e76247
Figure 1 Chromatogram of a standard mixture.
Figure 5 from: Kirakosyan VG, Tsaturyan AH, Poghosyan LE, Minasyan EV, Petrosyan HR, Sahakyan LY, Sargsyan TH (2022) Detection and development of a quantitation method for undeclared compounds in antidiabetic biologically active additives and its validation by high performance liquid chromatography. Pharmacia 69(1): 45-50. https://doi.org/10.3897/pharmacia.69.e76247
Figure 5 "Sugar Balance" sample injection chromatogram.
Figure 4 from: Kirakosyan VG, Tsaturyan AH, Poghosyan LE, Minasyan EV, Petrosyan HR, Sahakyan LY, Sargsyan TH (2022) Detection and development of a quantitation method for undeclared compounds in antidiabetic biologically active additives and its validation by high performance liquid chromatography. Pharmacia 69(1): 45-50. https://doi.org/10.3897/pharmacia.69.e76247
Figure 4 "Dialevel" sample injection chromatogram.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.