What's the difference between bleach and lighten?

Bleach


Definition:

  • (a.) To make white, or whiter; to remove the color, or stains, from; to blanch; to whiten.
  • (v. i.) To grow white or lose color; to whiten.

Example Sentences:

  • (1) The transient was characterized by bleaching in the 550-585-nm regions within 6 ps and recovery in approximately 20 ps.
  • (2) All recombinants were found to be photochemically active, in that optical bleaching produced a temperature- and lipid chain-length-dependent mixture of species absorbing at 480 and 380 nm.
  • (3) Lesions in either the ventral subiculum or the anterolateral part of the amygdalohippocampal area caused bleaching in the ventromedial hypothalamic nucleus.
  • (4) All are satisfied by [Formula: see text], where N is the size of rod signal, constant for threshold; theta, theta(D) are steady backgrounds of light and receptor noise; varphi is the threshold flash with sigma a constant of about 2.5 log td sec; B the fraction of pigment in the bleached state.
  • (5) A simple method for distinction between RNA- and DNA-containing structures in aldehyde- and osmiumtextroxide-fixed electron microscopic autoradiographs (or ordinary thin sections) is described: the developer and the acetic acid used for processing autoradiographs extract selectively uranium acetate from DNA containing-structures which, after staining with lead citrate, leads to a characteristically 'bleached' appearance of the DNA.
  • (6) Sulphite bleached the flavin of cellobiose oxidase, but gave no reaction with the 31 kDa haem protein, suggesting an absence of flavin.
  • (7) A new, terrible curse that comes on top of the bleaching, the battering, the poisoning and the pollution.
  • (8) We have tried to discover whether bleaching raises the threshold by desensitizing the rods, or (like backgrounds) by attenuating their signals.
  • (9) Additionally, reconstitution of a distinct absorption band, centered around 540 nm, was achieved by addition of exogenous 9-cis-retinal to bleached, isolated eyespot apparatuses.
  • (10) But the Guardian can now reveal Australia will also need to report on how it is dealing with the current bleaching, where almost a quarter of the coral on the reef has been killed.
  • (11) Measurements were made of the time course and amplitude of the change in real part of admittance, DeltaG, of a suspension of frog rod outer segments, following a flash of light bleaching about 1% of the rhodopsin content of the rods.
  • (12) Concentration gradients of metarhodopsin along the lengths of microvilli were produced by local bleaches, accomplished by irradiation with small spots of orange light at pH 9 in the presence of glutaraldehyde or formaldehyde.
  • (13) Bleaching a few per cent of the rhodopsin molecules of a rod suspension induces a 60% decrease achieved in less than 12 sec.
  • (14) Consequently, the rate of the bleaching is strongly dependent on the permeability of the thylakoid to the available anion.
  • (15) Incidentally, it’s the algae that give the coral its colour; and so when it’s ejected, the coral takes on a ghostly white hue, giving rise to the term “bleaching”.
  • (16) A suggested method for internal bleaching and restoring the access cavity is presented.
  • (17) Rod outer segment membranes and reassociated stripped disc membrane samples containing divalent cations showed similar phosphodiesterase activities in response to low fractional rhodopsin bleaches (e.g.
  • (18) Facebook Twitter Pinterest Coral bleaching on the Great Barrier Reef worse than for decades The photos were taken from around Lizard Island by Lyle Vale from Coral Watch at the University of Queensland .
  • (19) The permethylated rhodopsin thus formed is active toward bleaching, regeneration with 11-cis-retinal, and the activation of the GTPase (G protein) when photolyzed.
  • (20) When the acyl-CoA dehydrogenases were reacted with moderate excesses of acyl-CoA substrates in D2O in the absence of an electron acceptor, maximum bleaching of the FAD absorbance and the appearance of the long wavelength absorbance, attributed to a charge transfer complex, were observed.

Lighten


Definition:

  • (v. i.) To descend; to light.
  • (v. i.) To burst forth or dart, as lightning; to shine with, or like, lightning; to display a flash or flashes of lightning; to flash.
  • (v. i.) To grow lighter; to become less dark or lowering; to brighten; to clear, as the sky.
  • (v. t.) To make light or clear; to light; to illuminate; as, to lighten an apartment with lamps or gas; to lighten the streets.
  • (v. t.) To illuminate with knowledge; to enlighten.
  • (v. t.) To emit or disclose in, or as in, lightning; to flash out, like lightning.
  • (v. t.) To free from trouble and fill with joy.
  • (v. t.) To make lighter, or less heavy; to reduce in weight; to relieve of part of a load or burden; as, to lighten a ship by unloading; to lighten a load or burden.
  • (v. t.) To make less burdensome or afflictive; to alleviate; as, to lighten the cares of life or the burden of grief.
  • (v. t.) To cheer; to exhilarate.

Example Sentences:

  • (1) Daily subcutaneous injection of L-dopa for 4 weeks into 2-year-old low egg production hens resulted in a lightening of feather color to snow white and increased oviduct and ovary weights and the development of well developed follicles.
  • (2) I ask if he ever wishes the critics would lighten up around him.
  • (3) This unexpected non-linear trend may reflect a progressive tendency toward 'lightening' of sleep with increasing age.
  • (4) Clinical trials on 28 patients with port-wine stains of the face and neck using this laser demonstrated a 75% response rate with greater than 50% lightening of the lesions.
  • (5) Their carefully judged mischief lightened the whole mixture like stiffly beaten egg-whites.
  • (6) But it's also undeniable that Indians who grew up in the 80s and 90s have been in many ways morally and imaginatively conservative: they are the context, for instance, in which wish-fulfilling skin lighteners like Fair & Lovely have flourished.
  • (7) As previously shown with colchicine, preincubation of frog skin with vinblastine, vincristine, or colcemid produced an increase in darkening induced by MSH, as compared to control skins, and a dosage-dependent inhibition of subsequent lightening.
  • (8) Skin-lightening creams are widely used in Taiwan, but their content is poorly controlled.
  • (9) Patients aged between 3 months and 6 years (44 patients) had a better response after the first treatment (55% lightening) than did patients aged between 7 and 14 years (29 patients with a 48% lightening; p = 0.027).
  • (10) By sharing the load, we lighten the load – and together we can chip away at the debt and deficits that are currently costing Australians $1bn every single month in interest, in dead money,” Abbott said in a YouTube video released on Monday.
  • (11) This difference in density is not related to increased sensitivity to ionizing radiation but the degree of post-irradiation change in density (lightening) is proportional to the initial density, i.e.
  • (12) Following a complete repair, the anesthesia of the mothers was allowed to lighten.
  • (13) Forty-one over-the-counter skin lightening creams were analysed for hydroquinone content, and the accuracy of tables of contents supplied with these products was assessed.
  • (14) Advocates of open adoption believe that it lightens and in some cases alleviates the grieving process after relinquishment.
  • (15) In his speech, Hunt also called for the regulatory burden to be lightened for broadcasters to allow them to be more flexible and said Ofcom would be slimmed down under a Tory government.
  • (16) The court said his sentence was lightened because he was an accessory to the murder, not the instigator, and because he had confessed and shown remorse.
  • (17) Over a couple of pints, we cover all the big stuff: Victoria Beckham, rivers of blood, what it'll be like being deputy PM to Boris ("Boris needs me; he needs lightening up"), and the attempt to ban menthol cigarettes .
  • (18) This article describes a simple way to circumvent major internal alteration to the Blue Ray copier to permit an easy and effective lightening process.
  • (19) A properly functioning general-practitioner hospital with good facilities including visiting consultants can greatly lighten the work load of the district general hospital.
  • (20) Substantial lightening or total clearing occurred in 18 (78%) of 23 amateur tattoos and 3 (23%) of 13 professional tattoos in which the protocol was completed.