Hemoptysis
发表于 2025-3-26 23:30:37
Visual Pigments and Photoreceptor PhysiologyWe who work with the visual pigments are fortunate in our field. It offers unique opportunities to engage, and we hope perhaps to solve, some of the central problems of present-day biology. It projects also into some of the most interesting problems of present-day physical chemistry.
施加
发表于 2025-3-27 03:43:52
The Binding Site of Retinaldehyde in Native RhodopsinIt has been shown conclusively that the chromophore in metarhodopsin II (MII) is bound to an ε -amino group of a lysine residue of opsin (1, 2) and that in native rhodopsin the chromophore is not bound to a phospholipid amino group (3, 4, 5).
饰带
发表于 2025-3-27 05:43:21
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抓住他投降
发表于 2025-3-27 09:38:57
Metarhodopsin IIIThe photic isomerization of rhodopsin is followed by a number of dark reactions (1) some of which are also photosensitive (2). Information is available on their various half- lifes, which, as expected, vary with temperature. However, they also depend on the environment of the parent pigment, in particular whether it is in solution or ..
外星人
发表于 2025-3-27 14:19:41
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chandel
发表于 2025-3-27 21:01:02
,, (Fortsetzung und Schluß). ,, Scheme involves the combination in a dark reaction of the visual protein opsin with 11-cis retinal to form the photolabile complex rhodopsin, λ. 450–560 nm (the absorption maxima are species dependent).
胎儿
发表于 2025-3-27 23:40:46
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平静生活
发表于 2025-3-28 06:00:00
https://doi.org/10.1007/978-3-642-87229-7 could form cis bonds about the central double bond has a long and controversial history. Linus Pauling (1) stated in 1939 that bonds of this type “must have the trans configuration” because of steric hindrance between the hydrogen and the methyl group. In the meantime compounds of type 2 were not o
ABASH
发表于 2025-3-28 08:12:03
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Hyaluronic-Acid
发表于 2025-3-28 12:51:11
https://doi.org/10.1007/978-3-662-36549-6This property not only permits their ready identification but also affords a very sensitive means of monitoring molecular events that follow light absorption. As these spectral changes can be measured precisely on a time scale of the order of milliseconds and less, concomitant with early electrophys