Results 51 to 60 of about 403,665 (299)

Sodium hydroxide permethylation of heparin disaccharides [PDF]

open access: yesRapid Communications in Mass Spectrometry, 2011
Abstract Permethylation is a valuable and widely used tool for the mass spectrometry of carbohydrates, improving sensitivity and fragmentation and increasing the amount of information that can be obtained from tandem mass spectrometric experiments.
Christian, Heiss   +2 more
openaire   +2 more sources

Shaping Ti3C2 MXene Nanospheres for Precision Near‐Infrared Photothermal Therapy

open access: yesAdvanced Functional Materials, EarlyView.
In this study, we report producing spherical MXenes via fs laser fragmentation of Ti3C2 flakes in liquid medium. The nanoparticles demonstrated pronounced light absorption and high photothermal conversion efficiencies of 68% and 63% under heating with NIR‐I and NIR‐II lasers, respectively.
Julia S. Babkova   +21 more
wiley   +1 more source

Neutron activation of a realgar ore sample [PDF]

open access: yesHemijska Industrija, 2008
The neutron activation by γ-spectrometry measurement was used to follow hydrometallurgical processes of a realgar ore sample from Vareš area, Bosnia and Herzegovina.
Zovko Emira, Pujić Zdravko
doaj   +1 more source

Zwitterionic Self‐Assembled Monolayer for Simultaneous Noise Suppression and Hole Extraction in High‐Performance Near‐Infrared Organic Photodetectors

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a new hole transporting material (HTM) mechanism for self‐assembled monolayers in near‐infrared organic photodetectors. The formation of zwitterions induces a strong electric field that significantly increases the work function of HTM‐coated indium tin oxide substrates. The devices exhibit low dark current and noise, along with high
Jiyoung Shin   +9 more
wiley   +1 more source

Physicochemical characteristics of chitosan from swimming crab (Portunus trituberculatus) shells prepared by subcritical water pretreatment

open access: yesScientific Reports, 2021
The physicochemical properties of chitosan obtained from the shells of swimming crab (Portunus trituberculatus) and prepared via subcritical water pretreatment were examined.
Gengxin Hao   +6 more
doaj   +1 more source

Study on the Effect of Sulfuryl Fluoride on Ozone Elimination and Technology for Tail Gas Treatment

open access: yesLiang you shipin ke-ji, 2021
It is of vital importance to evaluate the environmental risks brought by sulfuryl fluoride before applying it wildly as an alternative to aluminum phosphide in grain storage.Degradation kinetics of 350 mg/m3 ozone was investigated under sulfuryl fluoride
ZHANG Bing   +5 more
doaj   +1 more source

Counterion Dependent Side‐Chain Relaxation Stiffens a Chemically Doped Thienothiophene Copolymer

open access: yesAdvanced Functional Materials, EarlyView.
Oxidation of a thienothiophene copolymer, p(g3TT‐T2), via different doping strategies and dopant molecules resulted in materials with similar oxidation levels and a high electrical conductivity of ≈100 S cm−1. However, mechanical properties varied significantly, with sub‐glass transition temperatures and elastic moduli spanning from –44°C to –3°C and ...
Mariavittoria Craighero   +12 more
wiley   +1 more source

Ternary diagram of extract proteins / solvent systems: Sesame, soybean and lupine proteins

open access: yesGrasas y Aceites, 2004
Solvent extraction as a method of extracting protein from oilseed meals offers the advantage of higher efficiency. Unfortunately, the published literature points to the gap in the work concerned with the necessary equilibrium diagram to design due ...
M. A. Khedr, S. S. Mohamed
doaj   +1 more source

Comparison of hot water and alkaline pre-treatments on the properties of wheat straw NSSC pulp [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2014
The purpose of this study was to compare the properties of wheat straw (Zagros sp) collected in Golestan province NSSC pulp under alkaline pretreatment with 1% sodium hydroxide and boiling pretreatment.
Soodeh Zhand   +3 more
doaj   +1 more source

Chemical Pretreatment Of Rubber Wood For Enzymatic Saccharification In Bioethanol Production [PDF]

open access: yes, 2010
The potentials of rubber wood to serve as raw material for bioethanol production was studied. The objective of this study was to investigate the effectiveness of sulphuric acid, nitric acid, sodium hydroxide and combinatorial nitric acid and sodium ...
Alhassan, Alhassan Muhammad
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