Results 21 to 30 of about 1,441,607 (282)

First principles study of the adsorption of C60 on Si(111) [PDF]

open access: yes, 2000
The adsorption of C60 on Si(111) has been studied by means of first-principles density functional calculations. A 2x2 adatom surface reconstruction was used to simulate the terraces of the 7x7 reconstruction.
Artacho   +26 more
core   +2 more sources

A Study of the Removal of Minor Amounts of HS from Natural Gas by Activated Carbon

open access: yesAdsorption Science & Technology, 2002
Studies have been made of the removal of minor amounts of H 2 S from natural gas by activated carbon. The surface alkalinity of the carbon had a considerable effect on the H 2 S capacity, although this was not permanent.
Li Zhou, Ping Chen, Ming Li, Yaping Zhou
doaj   +1 more source

Kinetic selectivity in metal-organic framework chemical sensors

open access: yesNature Communications
Selective detection of specific volatile organic compounds (VOCs) is crucial for health, safety, and environmental applications, but current sensors suffer from poor selectivity and struggle to measure specific VOCs in the presence of interfering ...
Aleksander Matavž   +6 more
doaj   +1 more source

Activated Carbon from Paper Waste as Potential Adsorbents for Methylene Blue and Hexavalent Chromium

open access: yesApplied Sciences
Environmental pollution is a significant problem and is increasing gradually as more and more harmful pollutants are being released into water bodies and the environment.
Koketso Mabalane   +2 more
doaj   +1 more source

A DFT study of the NO adsorption on Pdn (n = 1–4) clusters [PDF]

open access: yes, 2011
We report a density-functional study of some properties of the adsorption process of the NO molecule on small palladium clusters (n = 1–4). The interaction between NO and the Pdn clusters is studied on various adsorption sites.
Alexiev, Valentin   +6 more
core   +3 more sources

Intein‐based modular chimeric antigen receptor platform for specific CD19/CD20 co‐targeting

open access: yesMolecular Oncology, EarlyView.
CARtein is a modular CAR platform that uses split inteins to splice antigen‐recognition modules onto a universal signaling backbone, enabling precise, scarless assembly without re‐engineering signaling domains. Deployed here against CD19 and CD20 in B‐cell malignancies, the design supports flexible multi‐antigen targeting to boost T‐cell activation and
Pablo Gonzalez‐Garcia   +9 more
wiley   +1 more source

Upcycling polyethylene into closed-loop recyclable polymers through titanosilicate catalyzed C-H oxidation and in-chain heteroatom insertion

open access: yesNature Communications
Polyolefins are the most widely produced type of plastics owing to their low production cost and favorable properties. Their polymer backbone consists solely of inert C-C bonds, making them resistant and durable materials.
Robin Lemmens   +3 more
doaj   +1 more source

Overexpression of CDT1 inhibits cell cycle progression at S phase by interacting with the mini‐chromosome maintenance complex and causes DNA damage

open access: yesFEBS Open Bio, EarlyView.
CDT1 is an essential protein for DNA replication licensing that loads the MCM complex, the eukaryotic replicative DNA helicase, onto replication origins. Overexpression of CDT1 induces cell cycle arrest at the S phase. Here we showed CDT1 inhibits the progression of replication forks by interacting with the MCM complex, leading to the stalling and ...
Takashi Tsuyama   +7 more
wiley   +1 more source

Removal of ibuprofen and paracetamol from water using a blend activated carbon from paper waste and avocado seeds

open access: yesGreen Analytical Chemistry
The presence of pharmaceuticals in water is a major problem worldwide. To alleviate this, this study produced carbon blends from avocado seeds and paper waste and activated them with hydrogen peroxide (H2O2), nitric acid (HNO3) and potassium permanganate
K Mabalane, PM Thabede, ND Shooto
doaj   +1 more source

Thrombolytic proteins profiling: High‐throughput activity, selectivity, and resistance assays

open access: yesFEBS Open Bio, EarlyView.
We present optimized biochemical protocols for evaluating thrombolytic proteins, enabling rapid and robust screening of enzymatic activity, inhibition resistance, and fibrin affinity, stimulation, and selectivity. The outcome translates to key clinical indicators such as biological half‐life and bleeding risk. These assays streamline the development of
Martin Toul   +3 more
wiley   +1 more source

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