Results 41 to 50 of about 76,034 (306)

Amphiphilic solid basic catalyst for biodiesel production: Synthesis and characterization [PDF]

open access: yes, 2011
The research is focusing on the improvement of heterogeneous catalyst for biodiesel production application. An amphiphilic solid basic catalyst was prepared by using ZrO2 as a support and modified by impregnation of KF and KOH.
Hadi, Nur   +4 more
core  

Photocatalytic Degradation of Organic Dyes by H4SiW6Mo6O40/SiO2 Sensitized by H2O2

open access: yesInternational Journal of Photoenergy, 2013
H4SiW6Mo6O40/SiO2 was sensitized by H2O2 solution that significantly improved its catalytic activity under simulated natural light. Degradation of basic fuchsin was used as a probe reaction to explore the influencing factors on the photodegradation ...
Li Yu   +5 more
doaj   +1 more source

Well-dispersive K2OKCl alkaline catalyst derived from waste banana peel for biodiesel synthesis

open access: yesGreen Energy & Environment, 2019
In this work, a novel alkaline catalyst was synthesized by an economical and effective method of roasting waste banana peel. From XRD, FT-IR, SEM, EDS, TGA and CO2-TPD characterization, it was proved that the calcined banana peel catalyst showed the ...
Mingming Fan   +4 more
doaj   +1 more source

Epigenetic heterogeneity and plasticity in therapy‐induced tumor states through single‐cell multi‐omics

open access: yesMolecular Oncology, EarlyView.
Single‐cell multi‐omics reveals epigenetic heterogeneity across therapy‐adaptive tumor states, including quiescent/dormant, drug‐tolerant persister, and EMT‐like phenotypes. By linking regulatory features with state‐associated biomarkers, these approaches inform biomarker‐guided therapeutic strategies for evolving tumors.
Hee Jung Kim   +3 more
wiley   +1 more source

Catalyst screening for CO2 oxidative coupling of methane to C2 hydrocarbons [PDF]

open access: yes, 2003
Basic metal oxides are suitable catalysts for the selective oxidative coupling of methane reaction using CO2 as an oxidant known as CO2 OCM hereafter. Catalysts screening for CO2 OCM was performed using CeO2- and MgO-based catalysts.
Istadi, I.   +3 more
core  

Inhibition of cyclin‐dependent kinases 12/13 using CT7439 as a treatment for colorectal cancer with CDK12 upregulation

open access: yesMolecular Oncology, EarlyView.
The proposed mechanism of action for the CDK12/13 inhibitor and cyclin K degrader, CT7439. CDK12/13 inhibition interrupts transcription elongation, leading to increased DNA damage that results in cell death. This agent is a potentially novel treatment option for patients with colorectal cancer. Created in BioRender. Cyclin‐dependent kinase (CDK) 12 and
Wylie K. Watlington   +10 more
wiley   +1 more source

Using hydrotalcite for biodiesel production [PDF]

open access: yes, 2009
Different parameters that can modify the extension of the transesterification reaction have been evaluated, such as, reaction temperature, agitation speed, methanol:oil molar ratio, percentage of solid catalyst presents in the reaction medium and ...
Labarta, Juan A.   +3 more
core  

Profound Leadership Strategies: Transcending the Leadership Crisis in the Age of Artificial Intelligence

open access: yesNew Directions for Adult and Continuing Education, EarlyView.
ABSTRACT This article examines the evolving role of organizational leadership amidst the rapid advancements in artificial intelligence (AI). It explores a broadly experienced and documented crisis in leadership, due in part to the disruptive nature of AI and emerging technology.
Rachel Wlodarsky, Davin Carr Chellman
wiley   +1 more source

Influence of basicity in Fischer-Tropsch synthesis over supported iron-based catalysts [PDF]

open access: yes, 2007
Includes bibliographical references (leaves 115-124).The Fischer-Tropsch synthesis catalyzed by iron is a well-established process for the production of synthetic fuels, waxes and high-value chemicals, such as α-olefins. A draw-back of the currently used
Blignaut, Annalie
core  

Continuous Production of Biodiesel from Rubber Seed Oil Using a Packed Bed Reactor with BaCl2 Impregnated CaO as Catalyst [PDF]

open access: yes, 2018
The goal of this research was to test barium chloride (BaCl2) impregnated calcined razor clam shell as a solid catalyst for transesterification of rubber seed oil (RSO) in a packed bed reactor (PBR).
Achanai Buasri, Vorrada Loryuenyong
core   +2 more sources

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