Def chromophore
WebPolyene. In organic chemistry, polyenes are poly- unsaturated, organic compounds that contain at least three alternating double ( C=C) and single ( C−C) carbon–carbon bonds. These carbon–carbon double bonds interact in a process known as conjugation, resulting in some unusual optical properties. Related to polyenes are dienes, where there ... WebMar 18, 2024 · chromophore ( plural chromophores ) ( chemistry) that part of the molecule of a dye responsible for its colour. ( chemistry) ( more generally) the group of atoms in a molecule in which the electronic transition responsible for a given spectral band is located.
Def chromophore
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WebChromogen. a colored molecule. Chromophore. the portion of the chromogen that gives it its color. Auxochrome. the charged portion of a chromogen that allows it to act as a dye. Basic stain. attracted to the negative charges on the surface of most bacterial cells. Common basic stains. Webchromatophore, pigment-containing cell in the deeper layers of the skin of animals. Depending on the colour of their pigment, chromatophores are termed melanophores (black), erythrophores (red), xanthophores (yellow), or leucophores (white). The distribution of the chromatophores and the pigments they contain determine the colour patterns of an ...
WebA chromophore is that part of the molecule where the absorption proceeds and where the main change of the geometry or electron density, etc. appears after the excitation … WebOct 7, 2024 · Many commercially available substrates contain thiobenzylester groups which upon cleavage can be converted into a chromophore by using 5,5´-dithiobis-(2-nitrobenzoic acid) also known as DTNB or Ellman’s reagent. The rate of thioester hydrolysis is measured at 405 nm to monitor the formation of 2-nitro-5-thiobenzoate anion (ε410nm = 14 000 M ...
WebOne online definition of chromophore is “an atom or group whose presence is responsible for the color of a compound.”. Although one may think of a chromophore that includes a … WebRetinal (also known as retinaldehyde) is a polyene chromophore.Retinal, bound to proteins called opsins, is the chemical basis of visual phototransduction, the light-detection stage of visual perception (vision).. Some microorganisms use retinal to convert light into metabolic energy. In fact, a recent study suggests most living organisms on our planet …
WebApr 28, 2024 · Phototropism Definition. Phototropism is the ability of a plant, or other photosynthesizing organism, to grow directionally in response to a light source. Phototrophic Stimulus Response. ... When light is … neighborhood hospitalWebOne online definition of chromophore is “an atom or group whose presence is responsible for the color of a compound.”. Although one may think of a chromophore that includes a metal atom such as copper, … it is mandatory meaning in teluguWebchro·mo·phore. n. Any of various chemical groups that absorb light of certain wavelengths and when present in an organic compound, such as a dye or pigment, are responsible … neighborhood hotel grand beachWebChromophore definition: A chemical group capable of selective light absorption resulting in the coloration of certain organic compounds. neighborhood house association facebookWebchro·mo·phore. ( krō'mō-fōr ), 1. The atomic grouping on which the color of a substance depends. 2. A target tissue for laser light therapy; absorption wavelength of tissue … itis marcheWebChromophore definition: a group of atoms in a chemical compound that are responsible for the colour of the... Meaning, pronunciation, translations and examples LANGUAGE … itis martinettiWebchro·mo·phore. ( krō'mō-fōr ), 1. The atomic grouping on which the color of a substance depends. 2. A target tissue for laser light therapy; absorption wavelength of tissue determines choice of laser wavelength. Common dermal chromophores include hemoglobin, oxyhemoglobin, collagen, beta-carotene, and melanin. neighborhood house association internet