1. A review of extrudate swell in polymers
C. SIRISINHA

2. Experimental studies on the effects of transition metal doping in overdoped 2212 bismuth superconductors
S. LEELAPRUTE, LM. TANCAND T. OSOTCHAN

3. Histological alterations in the reproductive, nervous and digestive systems of indoplanorbis exustus intoxicated with molluscicides
PINICH WANGSOMNUK, E. SUCHART UPATHAM, MALEEYA KRUATRACHUE, YAOWALUK CHITRAMVONG AND PRAPEE SRETARUGSA

4. Meiofauna in thale sap songkhla, a lagoonal lake in southern thailand
SAOWAPA ANGSUPANICH, ITCHIKA PHROMTHONG AND KANNAPA SRICHUER

5. Pharmacological studies of thiocarbamate glycosides isolated from moringa oleifera
C. JANSAKUL, A. WUN-NOI, K. CROFT AND L. BYRNE

6. Purification and characterization of xylanases from cryptococcus sp. x-1
THUNYA SRIPO, TAKESHI OHARA AND AMORNRAT PHONGDARA

7. Purification and properties of cyclodextrin glycosyltransferase (cgtase) from an alkaline-tolerant bacillus sp. ps304
PRASERT SUNTINANALERT, JINTANA PETMANEECHOTE, NISARAT DAMNIAN AND NONGPORN HUTADILOK-TOWATANA

8. Some pharmacological studies of a hypotensive fraction from derris scandens
C. JANSAKUL, A. SRICHANBARN AND A. SAELEE

9. The potential of using eichhornia crassipes and ipomoea aquatica as biomonitors in assessing heavy metal pollution in the mae kha canal and the mae ping river in chiang mai, northern thailand
ZHENBO YANG

10. Toxicity of cadmium, zinc and copper on sperm cell fertilization of sea urchin, diadema setosum
WAEWTAA THONGRA-AR