Use "free radical" in a sentence

1. Free Radical Bromination of Alkanes Explained: The Bromination mechanism is the same as for any other free radical halogenation and

2. Proanthocyanidin is a effective natural free radical scavenger.

3. Free radical Bromination [hν, Br2] Free Radical Bromination of Alkanes Definition: When treated with bromine (Br2) and light (hν) alkanes are converted into alkyl bromides

4. More particularly, the velvet apple extracts of the present invention exhibit DPPH free radical scavenging effects and ABTS free radical scavenging effects in a dose-dependent manner.

5. Method for synthesis of block polymers by controlled free radical polymerisation

6. As an anti-oxidant, Beta carotene inhibits free-radical damage to DNA

7. Key words: 5-aminosalicylic acid, biomarker, free radical scavenging, hydroxyl radical, ozone.

8. A free-radical graft polymerization of acrylic acid on a ceramic membrane.

9. alkyl ester of acrylic or methacrylic acid; and (c) a free-radical initiator.

10. ObjectiveTo study the extracts from Penthorum chinense Pursh on scavenging DPPH free radical.

11. Cholesterol Autoxidation is known to proceed via two distinct pathways, a free radical pathway driven by a chain reaction mechanism (type I Autoxidation) and a non-free radical pathway (type II Autoxidation)

12. Alkanes undergo mainly substitution reactions, which can be explained using free radical chain mechanism

13. Furthermore, the mechanism of free radical scavenging reactions of Magnolol and Honokiol were proposed.

14. Draw The Product When Styrene And Ethene Copolymerize Under Free Radical Conditions Styrene 4

15. Its exclusive patented Bitter Orange Peel effectively protects your skin against free - radical activity.

16. Pro - Nogenol: Cell protector; Helps to transmit Vitamin C through the body; Free radical scavenger.

17. Pharmaceutical compositions and alimentary products for human comsumption for the treatment and/or prevention of diseases caused by free radical reactions and a process for the inhibition of free radical reactions in the human organism

18. Acute exercise may induce free-radical production in mitochondria during basal metabolism of aerobic cells.

19. Fluorescence probes based on 9-Acridyl derivatives of aromatic amines for monitoring free-radical polymerization

20. Results:The two extractives of Physalis alkekengi had a strong scavenging effect on DPPH free radical.

21. L-α-amino-n-butyric acid, permanganate oxidation, concentrated acidic medium, autocatalysis, free radical intermediates.

22. Also autooxidation or auto-oxidation. A slow, easily initiated, self-catalyzed reaction, generally by a free radical mechanism, between a substance and atmospheric oxygen. Initiators of Autoxidation include heat, light, catalysts such as metals, and free radical generators.

23. The antibacterial effects of Benzoyl peroxide are due to the release of free-radical oxygen species, …

24. F2-isoprostanes are a family of compounds derived from arachidonic acid by free radical-catalyzed peroxidation.

25. As an anti-oxidant, Ascorbate/vitamin C protects the bone tissue from free radical, oxidative damage.

26. Process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase p

27. The olive leaf contains many active ingredients having demonstrated an anti free radical and and soothing activity.

28. Cellular damage caused by porfimer sodium PDT is a consequence of the propagation of free radical reactions

29. The fluoropolymers are produced with free-radical initiators in the presence of surfactants containing acid end groups.

30. This organic chemistry video tutorial provides a basic introduction into the free radical Bromination of alkanes and alkenes

31. The relationship between the Aggregational state of the amyloid-beta peptides and free radical generation by the peptides

32. Autoxidation is a free radical chain reaction mechanism that can operate in oils at moderately low temperatures (Crittenden, 1988a)

33. The authors also prove that supplementing corneal endothelial cells with retinoic acid sufficiently prevents free radical injury and apoptosis.

34. 15 Objective To explore the variations of oxygen free radical(OFR) in the patients of acute paraquat poisoning(APP).

35. However, the products obtained from reactions with halides can be rather surprising - ie the dithiadiazole can trap free radical intermediates.

36. In 1880 the first cyclic sulphur-nitrogen free radical - - was prepared as a deep green powder with a metallic lustre.

37. Bleomycin is an antineoplastic agent with potential for producing pulmonary toxicity, attributed in part to its free radical-promoting ability

38. Antioxidants are also known as “free radical scavengers.” The body makes some of the Antioxidants that it uses to neutralize free radicals

39. Known as free radical scavengers, according to the NCI, Antioxidants effectively neutralize the free radicals that cause this oxidative stress (the anti in

40. The series of 9-Acridyl derivatives of aromatic amines have been investigated as fluorescent probes for monitoring the progress of free-radical polymerization

41. 27 Industrial lignosulfonate is modified to graft carboxy by the free radical copolymerization reaction to synthesize a kind of scale inhibitor-the carboxylic lignosulfonate.

42. Ascorbate is the most abundant water-soluble anti-oxidant that protects bone. Free radical damage is a major cause of bone weakening and osteoporosis

43. Other articles where Autocatalysis is discussed: food preservation: Autoxidation: …of unsaturated fatty acids is autocatalytic; that is, it proceeds by a free-radical chain reaction

44. Thus by converting an Alkane into alkyl halide through free radical halogination mechanism and then by treating that alkyl halide with a strong base like NaOH o

45. Usually, polymers that form via free radical polymerization has this structure; for example, polyvinyl chloride. Atactic polymers have an amorphous structure due to the random arrangement of substituent groups.

46. The free radical theory proposes that Ageing is the cumulative result of oxidative damage to the cells and tissues of the body that arises primarily as a result of aerobic metabolism

47. Rates of oxygen absorption by styrene (RH) containing 2,2,3,3-tetraphenylbutane and zinc di-isopropyldithiophosphate at 30 °C obey the rate law where Ri is the rate of free-radical chain initiation.

48. Apparatus and method to encapsulate, kill and remove malignancies, including selectively increasing absorption of x-rays and increasing free-radical damage to residual tumors targeted by ionizing and non-ionizing radiation therapy

49. Abasht hypothesized that when more fat is oxidized for energy in the breast tissue of chickens, it may be causing the excessive release of free radical molecules that would modify (damage) fats

50. NOVEL CYCLOIDATION OF Biallyl Iwao Tabushi and Ryohei Oda Department of Synthetic Chemistry, Kyoto Univ., Kyoto, Japan (Received 28 March 1966) Some unoonjugated dienes givecyollo compounds by the attack of free radical species

51. Thus the polymerization rate of free radical reaction for (meth)acrylate-based resin systems should be substantially reduced since it alter the network formation process and consequently allow the shrinkage stress getting relief significantly.

52. Catalase is a highly-active primary antioxidant and catalytic enzyme that occurs naturally in the body and is found in all cells, helping to protect the body from the damaging, oxidizing free radical called hydrogen peroxide

53. Antioxidants are chemicals that interact with and neutralize free radicals, thus preventing them from causing damage.Antioxidants are also known as “free radical scavengers.” The body makes some of the Antioxidants that it uses to neutralize free radicals.

54. Cystine is a sulfur-containing amino acid that helps form healthy skin, hair, bones, and connective tissue. It is also required to make glutathione, one of the natural antioxidants that fight free-radical damage (glutathione detoxifies the liver).

55. Abasht hypothesized that when more fat is oxidized for energy in the breast tissue of chickens, it may be causing the excessive release of free radical molecules that would modify (damage) fats and proteins in the muscle, prompting the chicken’s immune …

56. As the names themselves indicate , these theories suppose that general wear and tear , accumulation of errors in vital processes like protein synthesis , damage to cells and DNA by the highly reactive free radical groups and breakdown of immunological systems in the body , are the reasons for aging .

57. While Br 2 is the standard reagent for free radical Bromination, it is not the best choice for allylic Bromination of an alkene or benzylic Bromination of an aromatic compound due to the production of unwanted side products which decrease the yield of the desired product.

58. Antioxidants (ISSN 2076-3921; CODEN: ANTIGE) is an international, peer-reviewed, open access journal published monthly online by MDPI.The International Coenzyme Q10 Association (ICQ10A) and Israel Society for Oxygen and Free Radical Research (ISOFRR) are affiliated with Antioxidants and their members receive discounts on the article process charges

59. To prepare Amphiphilic PVP with the end stearyl (S) or palmityl (P) residues, amino- and carboxy-terminated PVP derivatives were first synthesized by the free-radical polymerization of vinyl pyrrolidone in the presence of amino- or carboxy-mercaptans as chain transfer agents, and then modified by interaction of amino-PVP with stearoyl chloride

60. The polymer precursors comprise an admixture of at least one vinyl ether, functionalized compound and at least one epoxy functionalized compound, at least one acrylate functionalized compound, and a photoinitiator, wherein the polymer precursor composition cures by a dual cure mechanism utilizing a free radical pathway as well as a cationic pathway thus yielding improved green strength.

61. We've already seen Alcohols in many of these videos but I thought it was about time that I actually made a video on Alcohols all on Alcohols now Alcohols is the general term for any molecule that fits the pattern some type of functional group or chain of carbons o H and they use the letter R and I've used it before R stands for radical and I want you to confuse this R with free radical means

62. An ethylene-based polymer, e.g., LDPE, with a low dissipation factor is made by a process comprising the step of contacting at polymerization conditions ethylene and, optionally, one or more comonomers, e.g., an alpha-olefin, with at least one carbon-carbon (C-C) hydrocarbyl, free-radical initiator of Structure 1: wherein R1, R2, R3, R4, R5 and R6, are each, independently, hydrogen or a hydrocarbyl group and wherein, optionally, two or more R groups (R1, R2, R3, R4, R5 and R6) form a ring structure, with the provisos that at least one of R2 and R5, and at least one of R3 and R6 is a hydrocarbyl group of at least two carbon atoms, e.g., an alkaryl of at least seven carbon atoms.