Results 41 to 50 of about 135,838 (246)
Kinetics of quercetin and DPPH radical reaction
, 2022 Kvercetin spada u podskupinu flavonola te mu se pripisuje niz bioloških učinaka: antioksidativni, antikarcinogeni, antialergijski, protuupalni i drugi.
Murković, Dorotea
core
Advanced Science, EarlyView.This system adopts a biomimetic phospholipid structure, covalently binding iNOS inhibitors, neuroprotective agent PCA and vitamin E derivatives through pH/ROS dual‐responsive bonds, and assembles them with Prussian blue nanozyme to form PBB@AHA. It can efficiently penetrate the blood‐brain barrier and simultaneously release multiple active components ...
Mengcheng Guo +9 more
wiley +1 more source
Advanced Science, EarlyView.Ru–Mn composite nanozymes are engineered to mimic dual‐enzyme cascade catalysis, enabling efficient ROS clearance and neuroinflammation suppression. In collagenase‐ and autologous blood‐induced ICH mouse models, intranasal and intravenous administration reduced hematoma volume, preserved BBB integrity, and improved neurological recovery.
Zhongxin Duan +8 more
wiley +1 more source
Aktivitas Penangkapan Radikal Bebas DPPH dan Daya Reduksi Ekstrak Gracilaria verrucosa
JRST: Jurnal Riset Sains dan Teknologi, 2020 Gracilaria verrucosa adalah salah satu jenis rumput laut merah yang memiliki kandungan bioaktif untuk antioksidan alami. Penelitian ini bertujuan untuk mengetahui aktivitas antioksidan yang terkandung di dalam Gracilaria verrucosa dengan menggunakan dua ...
Anggi Setiabudi +2 more
doaj +1 more source
Advanced Science, EarlyView.This study developed an oral bioinspired peroxisome‐engineered probiotic (BPEP) by anchoring lipid‐encapsulated ruthenium nanozymes onto Escherichia coli Nissle 1917, utilizing probiotics to deliver nanozymes to the intestinal barrier for reactive oxygen species/reactive nitrogen species elimination, tight junction restoration, and gut microbiota ...
Shuyu Wang +10 more
wiley +1 more source
Asian Pacific Journal of Tropical Biomedicine, 2018 Objective: To determine antioxidant activity and phytochemical content from various tubers extracts of sweet potato (Ipomoea batatas) and to explore the correlation of phytochemical content with their antioxidant activities.
Irda Fidrianny +2 more
doaj +1 more source
Advanced Science, EarlyView.This review explores how hemoglobin‐based oxygen carriers (HBOCs) combined with nanozymes create multifunctional materials that deliver oxygen while maintaining redox homeostasis. Beyond artificial blood substitutes, these constructs enable wound healing with light‐triggered oxygen release, cancer therapy through enhanced oxygenation and reactive ...
Despoina Douka +4 more
wiley +1 more source
DPPH antiradical scavenging, anthelmintic and phytochemical studies of Cissus poulnea rhizomes
Asian Pacific Journal of Tropical Medicine, 2018 Objective: To investigate the phytochemical constituents, antioxidant and anthelmintic activities of the crude methanol extract of Cissus populnea (C. populnea) rhizomes. Methods: Phytochemical screening was performed using standard protocols, and column
Jean Noël Nyemb +7 more
doaj +1 more source
Adaptation of DPPH Method for Antioxidant Determination
, 2011 Antioxidants are indispensable molecules that help prevent biomolecule oxidation. By fighting the production of free radicals, antioxidants prevent different ageing-associated diseases.
Adriana M. Domínguez y Ramírez +5 more
core +1 more source
Antioxidant assays - consistent findings from FRAP and ORAC reveal a negative impact of organic cultivation on antioxidant potential in spinach but not watercress or rocket leaves [PDF]
, 2013 Watercress (Rorippa nasturtium-aquaticum), wild rocket (Diplotaxis tenuifolia), and spinach (Spinacia oleracea) are commercial crops reported to have high concentrations of antioxidants, possibly contributing to disease prevention following human ...
Mazzer, Alice +5 more
core +1 more source