Results 1 to 10 of about 31,974 (218)

Cyanine-based dyes: highly sensitive sensors for the detection of the hypochlorite levels in drinking water based on fluorometry. [PDF]

Delta Journal of Science, 2023
Drinking water is frequently disinfected with chlorine, and it is necessary to quantify any remaining chlorine in the form of the hypochlorite ion (ClO-).
Ehab Okba, Nermeen Hafez, Wael Amer, Hussein Alganzory, Elzeiny Ebeid   +4 more
doaj   +1 more source

Simultaneous Screening and Determination of Eleven Mycotoxins in Tomato by Ultra-high Performance Liquid Chromatography-Quadrupole/Orbitrap High-Resolution Mass Spectrometry [PDF]

Shipin Kexue, 2023
A method was developed for the simultaneous screening and determination of eleven mycotoxins in tomato by ultra-high performance liquid chromatography-quadrepole/orbitrap high-resolution mass spectrometry (UPLC-Q/Orbitrap HRMS).
WANG Changzhao, LI Zihao, ZHANG Yali, LIN Fang, LI Jianhua, ZOU Yang, YANG Yue
doaj   +1 more source

Limit of Blank (LOB), Limit of Detection (LOD), and Limit of Quantification (LOQ)

Organic & Medicinal Chemistry International Journal, 2018
openaire   +3 more sources

Verification and validation of analytical methods in accordance with the ISO/IEC 17025 standard [PDF]

Bakar, 2023
Validation of analytical methods ensures reliability and accuracy of analytical data. Accredited laboratories in accordance with the international standard ISO/IEC 17025, that is the Serbian standard SRPS ISO/IEC 17025, must fulfill and document the ...
Đukić Miloš, Vasiljević Sanela, Sovrlić Zorica, Adamović Dragana   +3 more
doaj   +1 more source

Investigation of Sodium Benzoate and Potassium Sorbate in Anti-Diabetic Herbal Drugs

Journal of Applied Science & Process Engineering, 2022
The objective of the study was to assess sodium benzoate and potassium sorbate in some anti-diabetic herbal drugs (ADHDs) collected from local markets using UV-Vis spectrophotometric method.
Nazmul Islam, Md. Omar Faruque, Rausan Zamir   +2 more
doaj   +1 more source

Measurement of methionine level with the LC-ESI-MS/MS method in schizophrenic patients [PDF]

The Ukrainian Biochemical Journal, 2016
The purpose of this study was to evaluate plasma methionine levels by using liquid chromatography electrospray ionization-tandem mass spectroscopy (LC-ESI-MS/MS) in schizophrenic patients.
S. Kulaksizoglu, B. Kulaksizoglu, H. Y. Ellidag, E. Eren, N. Yilmaz, A. Baykal   +5 more
doaj   +1 more source

VALIDATION OF SPECTROPHOTOMETRIC METHOD TO QUANTIFY QUERCETIN IN THE IN VITRO DISSOLUTION STUDY OF SELF NANO-EMULSIFYING DRUG DELIVERY SYSTEM (SNEDDS)

Jurnal Farmasi Sains dan Praktis, 2022
Quercetin possesses low solubility and decreases oral bioavailability. One way to increase the bioavailability of quercetin is by formulating a self-nanoemulsifying drug delivery system (SNEDDS).
Wildan Khairi Muhtadi, Ferdy Firmansyah, Tiara Tri Agustini, Pricillia Rahayu, Siti Arifah Fitriyanti, Rodhia Ulfa   +5 more
doaj   +1 more source

Analyzing siRNA Concentration, Complexation and Stability in Cationic Dendriplexes by Stem-Loop Reverse Transcription-qPCR

Pharmaceutics, 2022
RNA interference (RNAi) is a powerful therapeutic approach for messenger RNA (mRNA) level regulation in human cells. RNAi can be triggered by small interfering RNAs (siRNAs) which are delivered by non-viral carriers, e.g., dendriplexes.
Maximilian Neugebauer, Clara E. Grundmann, Michael Lehnert, Felix von Stetten, Susanna M. Früh, Regine Süss   +5 more
doaj   +1 more source

RP-HPLC method development and validation for quantification of daclatasvir dihydrochloride and its application to pharmaceutical dosage form

Pakistan Journal of Pharmaceutical Sciences, 2021
Daclatasvir dihydrochloride is an antiviral drug used in the treatment of Hepatitis C and for its estimation in drug product, no Pharmacopeial method is available.
Syed Suffdar Hussain Shah, Muhammad Iqbal Nasiri, Humera Sarwar, Aatka Ali, Syed Baqir S Naqvi, Sohail Anwer, Muhammad Kashif   +6 more
doaj   +1 more source

Comparison of Colorimetric and Fluorometric Chemosensors for Protein Concentration Determination and Approaches for Estimation of Their Limits of Detection

Chemosensors, 2022
Here, we present a direct comparison of different dyes and assays for the determination of protein concentrations. We compared the classical Bradford assay with two modern assays based on the fluorogenic dyes QuDye and ProteOrange and showed that the ...
Anastasiya A. Mamaeva, Vladimir I. Martynov, Sergey M. Deyev, Alexey A. Pakhomov   +3 more
doaj   +1 more source