Results 131 to 140 of about 279,038 (348)

The Antioxidant Potential of White Wines Relies on the Chemistry of Sulfur-Containing Compounds: An Optimized DPPH Assay

Molecules, 2019
The DPPH (2,2-Diphenyl-1-picrylhydrazyl) assay is an easy and efficient method commonly used to determine the antioxidant capacity of many food matrices and beverages.
Rémy Romanet, Christian Coelho, Youzhong Liu, Florian Bahut, Jordi Ballester, M. Nikolantonaki, R. Gougeon   +6 more
semanticscholar   +1 more source

Spatial characterization of the magnetic field profile of a probe tip used in magnetic resonance force microscopy

, 2008
We have developed the experimental approach to characterize spatial distribution of the magnetic field produced by cantilever tips used in magnetic resonance force microscopy (MRFM).
D. V. Pelekhov, E. A. Akhadov, E. Nazaretski, I. Martin, Jackson J. D., P. C. Hammel, R. Movshovich, Suter A.   +7 more
core   +1 more source

Under‐Urine‐Adhered Supramolecular Hydrogel with Linearly Sustained Quercetin Release Facilitates Hemorrhagic Cystitis Healing via Inflammation Regulation

Advanced Science, EarlyView.
A supramolecular gelatin‐based hydrogel adhesive was engineered for hemorrhagic cystitis management. It provides robust wet‐tissue adhesion, rapid hemostasis, sustained quercetin release, effectively restoring the bladder barrier via anti‐inflammatory and antioxidant actions.
Xu Cao, Hua Zhang, Yang Luo, Yaoqi Chen, Jie Yao, Renhao Ni, Tong Zhu, Yudong Yao, Jun Chen, Baolin Guo, Kerong Wu   +10 more
wiley   +1 more source

In vitro propagated Mentha rotundifolia (L.) Huds and antioxidant activity of its essential oil

Current Issues in Pharmacy and Medical Sciences, 2018
Mentha rotundifolia (L.) Huds is an aromatic plant used for its medicinal values. This study aims to select appropriate conditions for in vitro propagation of M. rotundifolia (L.) Huds and to evaluate yield and antioxidants activity of its essential oils
Benahmed Amira, Harfi Boualem, Benbelkacem Ibtissem, Daas Abla, Laouer Hocine, Belkhiri Abdelmalik   +5 more
doaj   +1 more source

CATECHIN CONTENT AND ANTIOXIDANT ACTIVITY OF SOME BREWED TEMPERATURE OF BLACK TEA SYRUP

JLI: Jurnal Litbang Industri, 2011
The catechin contents and the antioxidant activity of black tea syrup that brewed at some temperature still poorly understood. It has been investigated whether catechin contents and antioxidant activity of black tea syrup may be affected by hot or cold ...
Tuty Anggraini
doaj   +1 more source

DPPH radical scavenging activity of extracts from Urtica urens (Urticaceae) [PDF]

, 2020
Paul Matamane Rets’epile, Karuppiah Pillai Manoharan, Sibusisiwe Magama   +2 more
openalex   +1 more source

Perbandingan Metode Uji Aktivitas Antioksidan DPPH, FRAP dan FIC Terhadap Asam Askorbat, Asam Galat dan Kuersetin

Chimica et Natura Acta, 2018
Antioksidan merupakan senyawa yang menghambat atau menunda reaksi oksidasi molekul dengan cara menghambat proses inisiasi atau propagasi reaksi oksidasi berantai .
Kiki Maesaroh, Dikdik Kurnia, Jamaludin Al Anshori   +2 more
semanticscholar   +1 more source

A Metalloporphyrin Nanosystem Enables Non‐Invasive Visualization and Specific Treatment for Thrombosis and Ischemic Stroke

Advanced Science, EarlyView.
Thrombotic ischemic stroke is a severe neurological disease of the brain that presents major challenges for effective diagnosis and treatment. Precisely engineered Ir and Mn cores within a single porphyrin framework of 4IrMn nanoparticles enable endogenous ONOO−‐ or laser‐activated switching among NIR‐CL imaging, photothermal / photodynamic therapy ...
Ziwei Wang, Liping Zhang, Zihan Wu, Nan Xiao, Wenxin Zheng, Yachao Wang, Gelin Xu, Dongxia Zhu, Martin R. Bryce, Lijie Ren, Ben Zhong Tang   +10 more
wiley   +1 more source

Phytochemical profiling and antioxidant potentiality of medicinal plants along with their antibacterial efficacy

Journal of Advanced Biotechnology and Experimental Therapeutics, 2019
The leaves of Catharanthus roseus, Aegle marmelos, Moringa oleifera, Ageratum conyzoids, collected from Sylhet region in Bangladesh, were extracted using methanol with an aim to investigate antioxidant potential and antibacterial activity.
Sheikh Rashel Ahmed, Ismat Jahan Romi, Jamil Ahmed, Mahmudul Hasan, Rubel Roy, Mohammad Mehedi Hasan Khan   +5 more
doaj   +1 more source

Total Phenolic, Anthocyanin, Catechins, DPPH Radical Scavenging Activity, and Toxicity of Lepisanthes alata (Blume) Leenh

International journal of food Science, 2019
Anthocyanins and catechin are natural antioxidants presented in many plants. Lepisanthes alata (Blume) Leenh is a plant with fruit that ripens to an intense red. This coloring suggests a high polyphenol content.
Tuty Anggraini, Syafni Wilma, Daimon Syukri, F. Azima   +3 more
semanticscholar   +1 more source