Results 151 to 160 of about 158,894 (263)

DETERGENT BLEACHING

open access: yesFocus on Surfactants, 2003
openaire   +1 more source

Perceived importance and didactic difficulty of chemistry education: Insights from Czech teachers

open access: yesThe Curriculum Journal, EarlyView.
Abstract This empirical study examines how chemistry teachers in lower and upper secondary schools in the Czech Republic evaluate the content of the chemistry curriculum, focussing on its perceived importance and didactic difficulty. Based on a quantitative survey (N = 146), the study provides insight into the pedagogical content knowledge of ...
Jitka Lorenzová   +6 more
wiley   +1 more source

Comparison of Tissue Preparations to Identify and Phenotype T Cells in Human Colorectal Tumor Tissue

open access: yesCytometry Part A, EarlyView.
ABSTRACT Archived patient samples (e.g., formalin‐fixed paraffin embedded (FFPE) tissue blocks, cryoembedded tissue blocks, and frozen whole tissue samples) are a source of immune information for which corresponding patient data is often collected.
Justin F. Tirados   +5 more
wiley   +1 more source

Determination of THC and THC‐COOH in Dried Capillary Blood Spots and Comparison to Venous Blood of Recreational Cannabis Consumers in a Pilot Study

open access: yesDrug Testing and Analysis, EarlyView.
A new extraction method was developed and validated for the extraction of THC and THC‐COOH from capillary blood samples collected as dried blood spots. The extracts were analysed using HPLC–MS/MS resulting in high extraction efficiencies for both THC and THC‐COOH.
Matthias Bantle   +7 more
wiley   +1 more source

Enhancing sanitation efficiency in red meat processing: a novel enzymatic approach. [PDF]

open access: yesFront Microbiol
Macdonald A   +4 more
europepmc   +1 more source

Directly Sunlight‐Chargeable Core‐Shell Azobenzene Fabric via Coaxial Electrospinning with Tunable Personal Thermal Management

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work presents a leakage‐free, sunlight‐chargeable core‐shell Azo‐based textile that effectively bridges molecular photothermal storage with wearable functionality, offering a robust platform for on‐demand solar‐powered personal thermal management.
Yating Zhang   +6 more
wiley   +1 more source

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