Results 31 to 40 of about 2,124,411 (292)

Demographic features of users and uptake of intrauterine contraceptive device (IUCD) and reasons for removal at University of Calabar Teaching Hospital, Nigeria: A 5-year review

open access: yesInternational Journal of Medicine and Health Development, 2022
Background: Intrauterine contraceptive device (IUCD) is an effective long-acting reversible contraceptive method that is suitable for women of reproductive age. Despite this, its uptake by women in Nigeria is not optimum.
Patience O Odusolu   +3 more
doaj   +1 more source

Heavy metal ions removal from oil wastewater using highly enhanced Chitosan membrane technology: a response surface methodology study

open access: yesEQA, 2023
This paper investigates the removal of heavy metal ions from oily wastewater using enhanced Chitosan Membrane. Cellulose and gelatin have been used successfully to modify chitosan.
Wato N. Fundji   +3 more
doaj   +1 more source

Adsorption of Saliva Related Protein on Denture Materials: An X-Ray Photoelectron Spectroscopy and Quartz Crystal Microbalance Study

open access: yesAdvances in Materials Science and Engineering, 2016
The aim of this study was to evaluate the difference in the adsorption behavior of different types of bovine salivary proteins on the PMMA and Ti QCM sensors are fabricated by spin-coating and sputtering onto bare QCM sensors by using QCM and X-ray ...
Akiko Miyake   +4 more
doaj   +1 more source

A CFD analysis of different human breathing models and its influence on spatial distribution of indoor air parameters

open access: yesComputer Assisted Methods in Engineering and Science, 2017
The computational fluid dynamics (CFD) analysis of the indoor environment in buildings requires numerical modelling of a human being (computer simulated person - CSP). There are two crucial aspects in developing reliable CSP models: the CSP geometry and
Anna Bulińska, Zbigniew Buliński
doaj   +1 more source

Chromium(VI) Removal by Polyvinyl Chloride (PVC)/Aliquat-336 Polymeric Inclusion Membranes in a Multiframe Flat Sheet Membrane Module

open access: yesApplied Sciences, 2019
A new multiframe flat sheet membrane contactor module containing several flat membranes was designed and implemented. Each frame contains a chamber (central hole) in which the feed and the receiving phases are put in contact with polyvinyl chloride (PVC)/
Hassina Semghouni   +6 more
doaj   +1 more source

Performance of a Three-Dimensional Electrochemical Reactor (3DER) on Bisphenol A Degradation

open access: yesFrontiers in Chemistry, 2022
This study constructed a three-dimensional electrochemical reactor (3DER) using meshed stainless steel sheets and titanic magnetite particles (TMP) to investigate bisphenol A (BPA) degradation through the synergistic action of electrical current and TMP.
Xu Ren   +10 more
doaj   +1 more source

Adsorption Of Methylene Blue from Aqueous Solution with Sulfuric Acid Activated Corn Cobs: Equilibrium, Kinetics, and Thermodynamics Assessment

open access: yesHittite Journal of Science and Engineering, 2020
Three adsorbents with different characteristics were produced in this study by activation of sulfuric acid with different concentrations, from corn Zea mays L. cobs, which is an agricultural waste by-product resulting from harvesting.
Pinar Bozbeyoglu   +3 more
doaj   +1 more source

Removal of Basic Orange 2 dye and Ni2+ from aqueous solutions using alkaline-modified nanoclay

open access: yesWater Science and Technology, 2021
In the present research, the removal of Basic Orange 2 (BO2) dye using alkaline-modified clay nanoparticles was studied. To characterize the adsorbent, XRD, FTIR, FESEM, EDX, BET and BJH analyses were performed.
Armin Geroeeyan, Ali Niazi, Elaheh Konoz
doaj   +1 more source

Effects of Cancer Treatment on Somatosensory and Nociceptive Processing in Children and Adolescents: A Systematic Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Chemotherapy‐induced peripheral neuropathy remains a major complication in pediatric cancer, with disrupted somatosensory and nociceptive processing being a key aspect. This review synthesizes empirical studies on alterations in somatosensory and nociceptive processing in children and adolescents with cancer.
Julia Schweiger   +4 more
wiley   +1 more source

Results of the Childhood Cancer and Leukaemia Group's United Kingdom Relapsed Wilms Tumour Trial

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background The United Kingdom relapsed Wilms tumour (UKW‐R) trial aimed to improve the historically low survival rates after relapse of Wilms tumour (WT) through a prospective national risk‐stratified protocol. The trial also evaluated efficacy and toxicity of high‐dose melphalan.
Sucheta J. Vaidya   +10 more
wiley   +1 more source

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