Results 91 to 100 of about 211,770 (338)

A preparative high performance liquid chromatography method for separation of lecithin: comparison to thin-layer chromatography

open access: yesJournal of Lipid Research, 1987
We have developed a high performance liquid chromatography (HPLC) method to separate lecithin from other phospholipid classes and to obtain lecithin from biologic materials.
S Bahrami, H Gasser, H Redl
doaj   +1 more source

A low-bandgap dimeric porphyrin molecule for 10% efficiency solar cells with small photon energy loss [PDF]

open access: yes, 2018
Dimeric porphyrin molecules have great potential as donor materials for high performance bulk heterojunction organic solar cells (OSCs). Recently reported dimeric porphyrins bridged by ethynylenes showed power conversion efficiencies (PCEs) of more than ...
Cao, Y   +8 more
core  

Determination of the chemical composition of tea by chromatographic methods: a review [PDF]

open access: yes, 2015
Despite the fact that mankind has been drinking tea for more than 5000 years, its chemical composition has been studied only in recent decades. These studies are primarily carried out using chromatographic methods.
Combet, Emilie   +3 more
core   +1 more source

Nanobody‐Conjugated Theranostic Prodrug Targeting αvβ3 Integrin Enables Precision Cancer Therapy With Real‐Time Imaging

open access: yesAdvanced Healthcare Materials, EarlyView.
The image shows a schematic form a nanobody‐conjugated theranostic prodrug (NBD) platform targeting tumor‐associated αvβ3 integrin. The NBD system integrates selective nanobody‐mediated tumor recognition, glutathione‐responsive disulfide cleavage for doxorubicin release, and aza‐BODIPY‐based near‐infrared fluorescence for real‐time imaging.
Sanu Karan   +13 more
wiley   +1 more source

Validated high performance thin layer chromatography method for simultaneous determination of quercetin and gallic acid in Leea indica

open access: yes, 2017
A sensitive and reliable high performance thin layer chromatography method has been developed for the simultaneous estimation of quercetin and gallic acid in Leea indica , Vitaceae. Ethyl acetate extract prepared from hydrolysed aqueous alcoholic extract
Ankita A. Patel   +3 more
semanticscholar   +1 more source

Sprayable Polymer Blends With Short‐Chain Surface Segregation for Preventing Postoperative Abdominal Adhesions

open access: yesAdvanced Healthcare Materials, EarlyView.
Adhesions’ high occurrence rates and high morbidity render them a critical challenge to be addressed. Current prevention methods, such as physical barriers, have many limitations, resulting in inconsistent safety and efficacy. This study demonstrates the potential for sprayable polymeric materials as an adhesion barrier.
Robert J. Morris III   +7 more
wiley   +1 more source

Marker based standardization of polyherbal formulation (SJT-DI-02) by high performance thin layer chromatography method

open access: yesJournal of Pharmacy and Bioallied Sciences, 2014
Background: Preparation of highly standardized herbal products with respect to chemical composition and biological activity is considered to be a valuable approach in this field.
Bhakti J Ladva   +3 more
doaj   +1 more source

Polyterthiophenes incorporating 3,4-difluorothiophene units : application in organic field-effect transistors [PDF]

open access: yes, 2010
Two terthiophenes bearing core fluorinated thienyl units have been synthesised as potential semiconductor materials for organic field-effect transistors.
Crouch, David J.   +4 more
core   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

Enzymatic Hydrolysis of Copra Meal by Mannanase from Streptomyces sp. BF3.1 for The Production of Mannooligosaccharides

open access: yesHayati Journal of Biosciences, 2015
Copra meal contained high polysaccharide mannan. Mannanase Streptomyces sp. BF3.1 efficiently hydrolyzed copra meal to mannooligosaccharides. This research determined the optimum conditions of enzyme mannanase Streptomyces sp.
ARIANDI, YOPI, ANJA MERYANDINI
doaj   +1 more source

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