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1. Dictionary

   fretful

   /ˈfrɛtf(ʊ)l/

   adjective

   • 1. feeling or expressing distress or irritation: "the baby was crying with a fretful whimper"

   Derivatives

   • 1. fretfully adverb
   • 2. fretfulness noun

   Scrabble Points: 13

   • F

     4

   • R

     1

   • E

     1

   • T

     1

   • F

     4

   • U

     1

   • L

     1

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2. People also ask

   What does fret stand for?

   • Fluorescence Resonance Energy Transfer Fluorescence (or Förster) resonance energy transfer (FRET)is used to moni - tor interactions between proteins (Figure 7.8A).

   Guide to Research Techniques - zu.edu.jo

   zu.edu.jo/UploadFile/Library/E_Books/Files/LibraryFile_91258_7.pdf

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   How does fret work?

   • The fundamental mechanism of FRET involves a donor fluorophore in an excited electronic state, which is capable of transferring its excitation energy to a nearby acceptor fluorophore (or chromophore) in a non-radiative fashion through long-range, dipole-dipole interactions.

   ZEISS Microscopy Online Campus | FRET Microscopy with Spectral Imagi…

   zeiss-campus.magnet.fsu.edu/articles/spectralimaging/spectralfret.html

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   What are the limitations of fret?

   • FRET is an intensity-based measurement that can have limiting conditions and many possible artifacts including photobleaching, signal cross-contamination, differences in FRET pair concentrations and their degree of labeling, and variations in the intensity and duration of excitation.

   Fluorescence Resonance Energy Transfer - an overview

   www.sciencedirect.com/topics/medicine-and-dentistry/fluorescence-resonance-energy-transfer

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3. dictionary.cambridge.org › dictionary › englishFRETFUL | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

   Fretful means behaving in a way that shows you are unhappy, worried, or uncomfortable. Learn more about this adjective, its synonyms, and how to use it in sentences from the Cambridge Dictionary.

4. www.vocabulary.com › dictionary › fretfulFretful - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › fretful

   Definitions of fretful. adjective. nervous and unable to relax. “a constant fretful stamping of hooves” synonyms: antsy, fidgety, itchy, twitchy. tense. in or of a state of physical or nervous tension. adjective. habitually complaining. synonyms: querulous, whiney, whiny. complaining, complaintive. expressing pain or dissatisfaction of resentment.

5. www.merriam-webster.com › dictionary › fretfulFretful Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › fretful

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   Fretful means disposed to fret, irritable, or restless. Learn the word history, synonyms, examples, and usage of fretful from the Merriam-Webster dictionary.

6. www.dictionary.com › browse › fretfulFRETFUL Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › fretful

   • Cached

   Fretful definition: disposed or quick to fret; irritable or peevish.. See examples of FRETFUL used in a sentence.

7. dictionary.cambridge.org › english › fretfulFRETFUL | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › fretful

   • Cached

   Fretful means behaving in a way that shows you are unhappy, worried, or uncomfortable. Learn more about this adjective, its synonyms, and how to use it in sentences from various sources.

8. www.oxfordlearnersdictionaries.com › definitionfretful adjective - Definition, pictures, pronunciation and ...

   www.oxfordlearnersdictionaries.com › definition

   • Cached

   Fretful means behaving in a way that shows you are unhappy or uncomfortable. See examples, synonyms, pronunciation and usage notes for this adjective.

9. www.thefreedictionary.com › fretfulFretful - definition of fretful by The Free Dictionary

   www.thefreedictionary.com › fretful

   • Cached

   Fretful means nervous, irritable, or upset. Find out the origin, usage, and translations of this adjective, as well as related words and expressions.