Results 21 to 30 of about 2,104,233 (265)
, Objectives. Spectrophotometric method is one of the most convenient methods in pharmaceutical analysis, as it is sensitive, precise and cost effective.
A.O. Donchenko, S. O. Vasyuk
doaj +1 more source
Background: The Food Frequency Questionnaire (FFQ) is usually used in epidemiological studies to assess food consumption. However, the FFQ must have good accuracy, requiring its validation and reproducibility for the target population.
Heloísa Gambarelli de Araújo Azarias +10 more
doaj +1 more source
Validation Studies and Proficiency Testing [PDF]
Abstract Genetically modified organisms (GMOs) entered the European food market in 1996. Current legislation demands the labeling of food products if they contain <1% GMO, as assessed for each ingredient of the product. To create confidence in the testing methods and to complement enforcement requirements, there is an urgent need ...
Elke, Ankilam +4 more
openaire +2 more sources
ABSTRACT Background Children with sickle cell disease (SCD) face multiple acute and chronic medical complications that may impact their quality of life as reported by patients themselves. Health‐related social needs (HRSNs), such as food and housing insecurity, are common in people with SCD, but the association between HRSNs and patient‐reported ...
Sarah J. Marks +5 more
wiley +1 more source
Purpose: To validate the Cardiff Wound Impact Schedule (CWIS) to assess the health-related quality of life (HRQoL) of Sri Lankan patients with diabetic leg and foot ulcers.
Kumarasinghe Arachchigey Sriyani, RN, BSc +3 more
doaj +1 more source
On the ecological validity of a password study [PDF]
The ecological validity of password studies is a complex topic and difficult to quantify. Most researchers who conduct password user studies try to address the issue in their study design. However, the methods researchers use to try to improve ecological validity vary and some methods even contradict each other.
Sascha Fahl +3 more
openaire +1 more source
ABSTRACT Background Combined oral contraceptive (COC) use in obese adult women dramatically increases the relative risk of developing a pulmonary embolism (PE). The risk of a PE in obese adolescent females taking contraceptives is currently unknown. The purpose of this investigation was to determine the effect of body mass index (BMI) and contraceptive
John Puetz, Joanne Salas
wiley +1 more source
Coagulation test results are influenced by many pre-analytical variables, including clinical sample storage conditions. This study investigated the effects of storage time and temperature on coagulation factor (FII, FV, FVII, FX, FVIII, FIX, FXI, FXII ...
Ryosuke Nakanishi +7 more
doaj +1 more source
This study aimed to develop and validate an instrument to measure patient perception of quality of nursing care and related hospital services in a tertiary care setting.
Upul Senarat, MBBS, MSc, MD +1 more
doaj +1 more source
Introduction: Perceived Stress Scale (PSS), developed in 1983, is one among the widely used global scales to assess the perceived psychological stress status.
Sathish Rajaa +2 more
doaj +1 more source

