## Abstract The rates of the reactions of hydroxyl radicals (OH) with styrene, ฮฑโmethylstyrene, and ฮฒโmethylstyrene have been measured by irradiating mixtures of these aromatic olefins and NO in an environmental chamber at 298 K. Experimental conditions were used whereby the competition of ozone wi
Kinetics and mechanisms of hydroxyl radical-induced crosslinks between phenylalanine peptides
โ Scribed by Michael G. Simic; Ewa Gajewski; Miral Dizdaroglu
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 542 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0146-5724
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๐ SIMILAR VOLUMES
The kinetics of the reaction CH,+OH (+M)dCH,OH (+M) was studied at room temperature by pulse radiolysis of SF,/ CHJH# mixtures. The methyl radical decay was followed by monitoring the UV absorption signals at 216.4 nm. A pressure dependence of k, was observed with values ranging from (5.8 kO.3) x 10
The kinetics of the reactions CsH,+OH( t M) +products ( + M ) ( I ) were studied at room temperature by pulse radiolysis of C2H6/H20/SFb mixtures. The ethyl radical decay was followed by monitoring the UV absorption signals at 205 nm. The experimentally determined value of k, is (7.1 f 1.0) x lOto M
Absolute rate constants are measured for the reactions: OH + CH20, over the temperature range 296-576 K and for OH + 1,3,5-trioxane over the range 292-597 K. The technique employed is laser photolysis of H,O, or HNO, to produce OH, and laserinduced fluorescence to directly monitor the relative OH co
The rate constant for the gas-phase reaction of the hydroxyl radical with trifluoroacetic acid has been determined over the temperature range 283-323 K using a relative rate technique. The results provide a value of k( OH+CF,C(O)OH) = 2.O~lO-\*~exp(-l46~500/T)cm~molecule~'s-'basedonk(OH+C~H,)=7.8~lO
## Abstract Rate constants for the reactions of OH radicals and Cl atoms with 1โpropanol (1โC~3~H~7~OH) have been determined over the temperature range 273โ343 K by the use of a relative rate technique. The value of __k__(Cl + 1โC~3~H~7~OH) = (1.69 ยฑ 0.19) ร 10^โ12^ cm^3^ molecule^โ1^ s^โ1^ at 298