Biomolecules, 2021 The aim of this study was to promote bioactivity of the PEEK surface using sulfuric acid and piranha solution. PEEK was functionalized by a sulfuric acid treatment for 90 s and by piranha solution for 60 and 90 s.
Flavia Suzany Ferreira Dos Santos +2 more
exaly +3 more sources
Investigating solar air collector performance with different absorber surfaces and Piranha fins through numerical simulation [PDF]
Scientific ReportsResearchers are constantly looking for ways to improve flat solar air heaters, which are a popular way to heat air using solar energy. This study looked at two different designs for the heat-absorbing surface (sinusoidal and plain) and how adding ...
Ali Basem +7 more
doaj +2 more sources
Quantitative Studies on PDMS-PDMS Interface Bonding with Piranha Solution and its Swelling Effect
Micromachines, 2012 In this paper, a low-cost yet effective method of irreversible bonding between two elastomeric polydimethylsiloxane (PDMS) interfaces using Piranha solution is investigated.
Kai Seng Koh, Jit Kai Chin
exaly +3 more sources
Media Information Compared to Scientific Studies Regarding Piranha Attacks in Brazil [PDF]
Revista da Sociedade Brasileira de Medicina TropicalBackground: Piranhas are carnivorous fish that inhabit rivers in Central and South America, and they are popularly recognized as relentless hunters of continental waters. Their reputation as killers is fueled by folklore and cinematographic works, which
Patrícia Tatiane Gomes +5 more
doaj +2 more sources
Surface Termination and Morphology of Single Crystal AlN by Ex Situ Chemical Treatment and In Situ MOCVD Process [PDF]
MicromachinesTo achieve an atomically clean surface of single-crystal aluminum nitride (AlN) substrates, this study systematically evaluated the effects of each step in ex situ wet chemical cleaning (solvent, piranha solution, HF, HCl) and in situ hydrogen annealing.
Yinghao Chen +6 more
doaj +2 more sources
The piranha gut microbiome provides a selective lens into river water biodiversity [PDF]
Scientific ReportsAdvances in omics technologies have enabled the in-depth study of microbial communities and their metabolic profiles from all environments. Here metagenomes were sampled from piranha (Serrasalmus rhombeus) and from river water from the Rio São Benedito ...
Sheila da Silva +10 more
doaj +2 more sources
Long-lasting redundant gnrh1/3 expression in GnRH neurons enabled apparent switching of paralog usage during evolution [PDF]
iScienceSummary: Expressed subtype of paralogous genes in functionally homologous cells sometimes show differences across species, the reasons for which have not been explained.
Chika Fujimori +9 more
doaj +2 more sources
Chemical Pretreatment of Rice and Wheat Straws to Reduce the Recalcitrant Structure: Comparative and Kinetic Studies with Different Chemicals for Biogas Production [PDF]
Nature Environment and Pollution Technology, 2023 In this study, a comprehensive comparison of two different chemical pretreatments of wheat straw (WS) and rice straw (RS) was made. The pretreatment was performed using piranha solution and p-toluenesulfonic acid (PTSA) to dissolve the biomass’s complex ...
Nikita Kanaujia, Shalu Rawat and Jiwan Singh
doaj +1 more source
Placentum, 2022 Background: Childbirth requires a physiological process, but pathological conditions or complications can arise from pregnancy to delivery such as Cesarean Section.
Ni Ketut Ayu Sugiartini +2 more
doaj +1 more source
HYPNO-BREASTFEEDING REDUCES ANXIETY OF BREASTFEEDING MOTHERS DURING THE COVID-19 PANDEMIC
Placentum, 2022 Background: COVID-19 pandemic is a time when a lot of people are vulnerable for virus transmission which can cause anxiety and psychological disorders, including for postpartum and breastfeeding mothers.
Ni Nyoman Deni Witari +2 more
doaj +1 more source