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Results for “Styrax”

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At least 73 records · Page 4Linked to original sources
PubMed2003

Free radical-scavenging activity of Taiwanese native plants.

The 70% aqueous acetone extracts of ten Taiwanese native plants were evaluated by various antioxidant assays, including 1, 1-diphenyl-2-picrylhydrazyl (DPPH), hydroxyl (.OH) radicals, and reducing power assay. In the present study, extracts of Acer buerferianum var. formosanum, Cleyera japonica var. morii, Cyclobalanopsis stenophylla var. stenophylloides, and Machilus zuihoensis exhibited stronger activity against DPPH radicals, and their IC50 values ranged from 5.4 to 8.3 microg/ml. The ten selected extracts effectively inhibited the formation of .OH generated in the Fenton reaction system. Among the extracts whose reducing power activities were determined, A. buerferianum var. formosanum, C. japonica var. morii, C. stenophylla var. stenophylloides, Eriobotrya deflex, and M. zuihoensis showed high activity. The results indicate the 70% aqueous acetone extracts of A. buerferianum var. formosanum, C. japonica var. morii, C. stenophylla var. stenophylloides, and M. zuihoensis with great potency in these assay systems and may be candidates for the development of natural antioxidants.

Acer↗
PubMed1981

Aphthous ulcers.

Explore the source record for details and available documents.

Administration, Oral↗
PubMedDate not supplied

The efficacy of adhesives in the application of wound dressings.

The use of adhesive preparations to reinforce surgical tapes and to secure dressings to the skin is standard practice. BioBrane is a biosynthetic membrane for use in dressing clean, well-debrided wounds, particularly partial-thickness burns and skin graft donor sites. The close and undisturbed contact of this material with the wound surface is important during the first 2 days after its application to achieve adherence. This has prompted a study to test the relative anchoring strength of four methods of securing the dressing to the normal skin around the wound: 1/2-inch (1.27-cm) Steri-Strips only; Mastisol, a mastic compound, with and without 1/2-inch Steri-Strips; and compound tincture of benzoin, USP, in combination with 1/2-inch Steri-Strips. The results obtained with a tension of 1.1 pounds/square inch (0.5 kg/6.5 cm2) were not conclusive as to the superiority of any one method. However, with a tension of 2.2 pounds/square inch (1 kg/6.5 cm2), the combination of mastic compound and 1/2-inch Steri-Strips provided the strongest adhesion. This type of application should also prove useful when other types of surgical dressings must be anchored in place.

Adhesives↗
PubMed2001

Historical perspective on the use of otic antimicrobial agents.

Treatment of otorrhea has been described in the literature since 1500 BC. A multitude of therapeutic options have been described, including the use of astringents, antiseptics, alcohol, benzoin and various powders. Since the middle of the 20th century, antibiotic usage has been promoted as the most effective means of therapy. Until recently none of the agents that were used was found to be safe for middle ear use. Since 1990 there have been publications describing the safety and efficacy of fluoroquinolone drops for acute and chronic otorrhea. This article details the transition from treatment of otorrhea with nonspecific means to an era of antimicrobial therapy based on sound scientific evidence.

Alcohols↗
PubMed2004

Randomized controlled comparison of cosmetic outcomes of simple facial lacerations closed with Steri Strip Skin Closures or Dermabond tissue adhesive.

OBJECTIVE: To compare the short-term complications and long-term cosmetic outcomes of simple facial lacerations closed with 3M Steri Strip Skin Closures or Dermabond. METHODS: Prospective, randomized controlled trial of children ages 1 to 18 presenting to a pediatric emergency department with simple low-tension lacerations of the face. After standard wound care, patients received wound closure with either Steri Strip Skin Closure or Dermabond. Pain associated with closure was evaluated on a 100-mm visual analogue scale (0 = no pain, 100 = worst pain). A follow-up telephone call was made a week after enrollment to determine short-term complications. Patients returned 2 months after would closure for wound photography. Cosmetic outcomes were evaluated by 2 plastic surgeons blinded to the method of wound closure on a 100-mm visual analogue scale (0 = best scar, 100 = worst scar). RESULTS: One hundred children aged 1 to 18 were enrolled. Ninety-seven patients had results analyzed. Forty-eight received Steri Strip Skin Closures and 49 received Dermabond. Patient demographics and wound characteristics were similar between groups. Pain scores on a 100-mm visual analogue scale were 9.0 mm for the Steri Strip group and 6.2 mm for the Dermabond group (P = ns). At short-term follow-up, there was one wound complication in the Steri Strip group and 7 complications in the Dermabond group (P = 0.06). Eighty-nine patients received 2-month evaluation (41 Steri Strip, 45 Dermabond). There was no difference in the mean visual analogue scale cosmesis scores: 37.2 mm (95% CI = 30.8-43.7) versus 43.8 mm (95% CI = 38.4-49.2) (P = 0.12). CONCLUSIONS: Steri Strip Skin Closures and Dermabond provide similar cosmetic outcomes for closure of simple facial lacerations. Steri Strip Skin Closure may represent a low-cost alternative for closure of simple facial lacerations.

Bandages↗
PubMed1990

Circumcision--which dressing?

Three methods of circumcision dressing were compared in a prospective trial. The results showed that dressings containing tincture of benzoin adversely affected wound healing in children. Dressing the wound with greasy tulle gave better results; the addition of soframycin did not produce better results than those achieved with ordinary paraffin tulle.

Anti-Bacterial Agents↗
PubMed1986

Reinforcement of surgical adhesive strips.

Surgical adhesive strips are often used for closure of some wounds or to minimize tension on sutures after closures. The package insert of the type most commonly used (Steri-Strip), indicates that the application of compound tincture of benzoin, U.S.P. (CTB) increases strip adhesion. The increase in adhesive power by CTB was compared with a preparation containing gum mastic (Mastisol). The study clearly demonstrated that the latter preparation provided a markedly more adhesive strength than that obtained with CTB.

Adhesiveness↗
PubMed1992

The postoperative use of wound adhesives. Gum mastic versus benzoin, USP.

Our results, combined with the work of previous authors, show that gum mastic not only offers superior adhesive qualities compared with benzoin, USP but also has a lower incidence of postoperative contact dermatitis and subsequent skin discoloration. In light of the widespread use of surgical adhesives, this study is important in documenting the low incidence of complications and the advantages of gum mastic compared with benzoin, USP.

Adult↗
PubMed1984

Cutaneous reactions to surgical preparations and dressings.

A prospective study of 100 surgical patients was undertaken to identify causes of contact dermatitis. Patch testing with the North American Contact Dermatitis Standard Series and additional agents used in the surgical preparation and dressing was performed in 11 patients with post-operative dermatitis or a history of tape allergy. 12 patients were diagnosed as having irritant (mechanical) contact dermatitis. One patient had allergic contact dermatitis to benzoin postoperatively; another patient with a history of an adhesive tape reaction had a positive patch test to thiuram mix, rubber accelerators formerly present in adhesive tapes. Our findings indicate that irritant contact dermatitis is a common problem in the surgical patient. Allergic contact dermatitis is less common, occurring in 2 of the 100 patients.

Adult↗
PubMed1985

Development of sustained-release antimicrobial dental varnishes effective against Streptococcus mutans in vitro.

Two antimicrobial varnishes were developed to be applied to the teeth for the eradication of Streptococcus mutans infections. One of them contained chlorhexidine acetate as the antimicrobial agent and the other, erythromycin base. Both varnishes contained Sumatra benzoin. Each of the two antimicrobial agents was shown to be highly effective against S. mutans and to be compatible with the benzoin vehicle. When applied to extracted teeth, both varnishes dried to form a tough, adherent, and colorless transparent layer. Dried samples of the varnishes, when suspended in frequently-changed buffer, released their microbial agents at low but bactericidal levels for at least 12 days. After the first day, drug release from the chlorhexidine varnish showed approximately zero-order kinetics, while the erythromycin varnish showed a combination of zero-order and first-order kinetics.

Amines↗