Results 41 to 50 of about 32,663 (261)

Chemical Profiling and Biological Activity of Copaiba Oil‐Resin Samples and Development of HPLC‐DAD Method for the Analysis of β‐Caryophyllene

open access: yesBiomedical Chromatography, Volume 40, Issue 5, May 2026.
ABSTRACT The Copaifera species are traditionally used for their anti‐inflammatory, antiseptic and healing properties. The objective of this study was to compare the chromatographic profiles of seven samples of copaiba oil‐resin with respect to chromatographic and physicochemical properties and to evaluate their biological activities.
Gabriel de A. P. Graça   +13 more
wiley   +1 more source

Approaches to Recruiting ‘Hard-To-Reach’ Populations into Re­search: A Review of the Literature [PDF]

open access: yesHealth Promotion Perspectives, 2011
Background: ‘Hard-to-reach’ is a term used to describe those sub-groups of the populationthat may be difficult to reach or involve in research or public health programmes.
Aziz Sheikh   +2 more
doaj   +1 more source

Basic concepts and methodologies of DNA marker systems in plant molecular breeding

open access: yesHeliyon, 2021
The concepts, methodologies and applications of some of the major molecular or DNA markers commonly used in plant science have been presented. The general principles of molecular marker techniques have been elucidated with detailed explanation of some ...
Samuel Amiteye
doaj   +1 more source

Molecular markers for DNA-fingerprinting in cotton [PDF]

open access: yes, 2004
Molecular markers are long proposed as suitable for fingerprinting of crop species. With the development of the techniques the attention has shifted from protein to DNA-based markers as age-, tissue- and status-independent and, therefore, more reliable ...
Bojinov, B., Lacape, Jean-Marc
core  

Towards a Formal Framework for Mobile, Service-Oriented Sensor-Actuator Networks

open access: yes, 2013
Service-oriented sensor-actuator networks (SOSANETs) are deployed in health-critical applications like patient monitoring and have to fulfill strong safety requirements.
Glesner, Sabine, Gruhn, Helena
core   +2 more sources

A List of Wisconsin Springtails With New Records and Annotations (Hexapoda: Parainsecta: Collembola) [PDF]

open access: yes, 2018
Twenty Collembola species new to Wisconsin were collected from soil at two agricultural sites in southern Wisconsin, including an undescribed species of Isotomidae.
Hogg, D. B, Rebek, E. J, Young, D. K
core   +3 more sources

Cultural Beliefs and Attitudes About Breast Cancer and Screening Practices Among Women in Qatar, Cross‐Sectional Study

open access: yesHealth Science Reports, Volume 9, Issue 5, May 2026.
ABSTRACT Background and Aim To effectively promote breast cancer screening among women in Qatar, a thorough exploration and analysis of the factors influencing their screening behaviors is imperative. This study aims to assess the status of breast cancer screening practices among women in Qatar and examine the relationships among demographic factors ...
Albara Mohammad Ali Alomari   +8 more
wiley   +1 more source

Strain distribution analysis of sputter-formed strained Si by tip-enhanced Raman spectroscopy

open access: yes, 2011
Simultaneous nanometer-scale measurements of the strain and surface undulation distributions of strained Si (s-Si) layers on strain-relief quadruple-Si1-xGex-layer buffers, using a combined atomic force microscopy (AFM) and tip-enhanced Raman ...
Akifumi Kasamatsu   +24 more
core   +1 more source

Representative Samples, Random Sampling

open access: yesCambio. Rivista sulle Trasformazioni Sociali, 2022
Abstract della redazione: In the social sciences literature the expressions  ‘random sample’ and ‘representative sample’ are often used improperly and sometimes even interchangeably by students who seem to think that sample is representative in so far, and because, it is random. In this essay I shall discuss the proper use of ‘random ...
openaire   +2 more sources

Assessing the Role of Health Belief Model Constructs in Musculoskeletal Pains Prevention Behaviors Among Nurses in Kashan City: A Cross‐Sectional Study

open access: yesHealth Science Reports, Volume 9, Issue 5, May 2026.
ABSTRACT Background and Aims The nurses are among vulnerable groups at risk for musculoskeletal pains (MSPs). This study aimed assessing the role of Health Belief Model (HBM) constructs in musculoskeletal pains prevention behaviors among nurses in Kashan city. Methods A cross‐sectional analytical study was conducted from August 16, 2023, to May 4, 2024,
Esmaeil Fakharian   +3 more
wiley   +1 more source

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