Results 121 to 130 of about 303,782 (301)

Chromatography, Gas Chromatography-GC

open access: yes, 2002
Gregory C. Slack, Nicholas H. Snow
core   +1 more source

Near Infrared Spectroscopy and Food Authenticity

open access: yes, 2015
Near Infrared (NIR) spectroscopy has been developed as one of the most versatile methods to target authenticity, discrimination, or traceability issues in several food matrices.
Daniel Cozzolino (1623244)
core  

Bioorthogonal Fluorogenic Reporters for Noninvasive Imaging and Urinalysis of Immunotherapeutic Response in Renal Cell Carcinoma

open access: yesAdvanced Science, EarlyView.
This study reported renal‐clearable bio‐orthogonal near‐infrared fluorogenic probes (BGRs) that specifically imaging and urinalysis of granzyme B for dynamic evaluation of RCC immunotherapy. BGRs not only differentiate immunotherapeutic responses in orthotopic RCC mice, but also enable sensitive optical urinalysis of granzyme B in clinical specimens ...
Xingyue Yang   +9 more
wiley   +1 more source

Composition and biosynthesis of sterols by Mortierella alpina

open access: yes, 1998
Sterols from mycelia of Mortierella alpina CBS 210.32. a zygomycetous fungus, were identified by thin layer chromatography, gas-liquid chromatography, reversed phase-high performance liquid chromatography, gas chromatography/mass spectrometry.
Nichols, Shawnn Derrek
core   +1 more source

Determination of Sucralose in Food - Comparison of Thin-Layer Chromatography with other Separation Methods

open access: yes, 2005
This manuscript reviews several analytical methods for the determination of the relatively new intense sweetener Sucralose and compares these methods with a recently developed thin-layer chromatographic method.
Arranz, Isabel   +3 more
core   +1 more source

Insights Into CO2 Loss, pH Effects, and Tafel Kinetics in Ni Single Atom‐Driven Bicarbonate Electroreduction

open access: yesAdvanced Science, EarlyView.
Selective CO formation in bicarbonate electrolysis is achieved by retaining reactive CO2 and tuning pH, while the competing hydrogen evolution reaction occurs at the interface. The rate‐determining step couples the chemical equilibrium of bicarbonate/CO2 with electrochemical charge transfer, offering insight into optimizing reaction conditions for ...
Lin Li   +7 more
wiley   +1 more source

Kajian Reaksi Oksidasi Senyawa 2,6,6-Trimetil Bisiklo[3.1.1]Hept-2-Ena Menggunakan Aliran Gas Oksigen Dan Zeolit Nax

open access: yes, 2015
Oxidation reaction has been done oxidation on ά-pinena (2,6,6-trimetil bisiklo[3.1.1]hept-2-ena) utilizing oxygen gas flow and NaX zeolite as catalyst. The aim of the research is to study both the application of oxygen flow as oxidant and zeolite NaX as
Nohong, Nohong
core   +1 more source

A Triple‐Nanoparticle System for Controlled Graphene Nanosheet Stacking: Enabling K/Na‐Ion Battery Anodes with Ultra‐Fast Charging Exceeding Petroleum Vehicle Refueling

open access: yesAdvanced Science, EarlyView.
ABSTRACT Large‐ion (K, Na) battery systems mitigate uneven global lithium distribution, while their ability to attain recharge time shorter than refueling would remove the final barrier for secondary batteries to replace petroleum vehicles. However, their large‐ion chemistry makes ultra‐fast charging an even significant challenge.
Shukai Ding   +12 more
wiley   +1 more source

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