Results 61 to 70 of about 34,330 (305)

Oral cancer among Khat users: finding evidence from DNA analysis of nine cancer-related gene mutations

BMC Oral Health, 2021
Background Khat leaves contain the alkaloid cathinone. Research shows that khat might provoke toxicity, mutagenicity, as well as carcinogenicity. Methods Two groups were identified as khat abusers and were categorized by abuse time and diagnosis of oral ...
Sawsan Abdullah Alshahrani, Wedad Saeed Al-Qahtani, Nawaf Abdulrahman Almufareh, Dalia Mostafa Domiaty, Gadah Ibraheem Albasher, Fatmah Ahmed Safhi, Fatima Abdullah AlQassim, Mashael Alhumaidi Alotaibi, Tahani Mohamed Al-Hazani, Bassam Ahmed Almutlaq   +9 more
doaj   +1 more source

Genotoxic and stress inductive potential of cadmium in Xenopus laevis larvae [PDF]

, 2006
The present investigation evaluates the toxic potential of Cd in larvae of the frog Xenopus laevis after 12 days of exposure to environmentally relevant contamination levels, close to those measured in the river Lot (France).
Baudrimont, Magalie, Boudou, Alain, Bourdineaud, Jean-Paul, Cuenot, Y., Gauthier, Laury, Gonzalez, Patrice, Mouchet, Florence   +6 more
core   +3 more sources

Ti6Al4V‐Bioglass‐Copper Composites for Load‐Bearing Implants

Advanced Healthcare Materials, EarlyView.
We have designed and manufactured a novel Ti64‐based composite by adding 45S5 bioglass (BG) and copper (Cu). Adding BG on titanium improves wear resistance and biocompatibility, whereas Cu addition improves mechanical strength while providing inherent lifelong bacterial resistance.
Lochan Upadhayay, Bryson White, Susmita Bose, Amit Bandyopadhyay   +3 more
wiley   +1 more source

Looking Back: Cyclamate [PDF]

, 1999
The second in a series re-evaluating hazards identified in the 1950s and ...
Jacobson, Kevin, Mazur, Allan
core   +1 more source

Porous Bi2S3 Bulk With Excellent Thermoelectric Performance by Solid States Replacement and Low Melting‐Point Metal Volatilization

Advanced Materials, EarlyView.
By introducing FeCoNi medium‐entropy alloy, the bismuth sulfide (Bi2S3) material achieves a record‐high ZT of 1.1 at 773 K, owing to the solid‐states replacement reaction and the volatilization of low melting‐point metal. This strategy is also applicable to other sulfur‐based thermoelectric materials.
Zi‐Yuan Wang, Jun Guo, Yi‐Xin Zhang, Hao Liang, Xing Yang, Rafal E. Dunin‐Borkowski, Fengshan Zheng, Lei Jin, Jing Feng, Zhen‐Hua Ge   +9 more
wiley   +1 more source

A regulatory perspective on the applicability of NAMs in genotoxicity and carcinogenicity assessment in EU: current practices and future directions

Environment International
New Approach Methodologies (NAMs) are gaining significant momentum globally to reduce animal testing and enhance the efficiency and human relevance of chemical safety assessment.
Cecilia Bossa, Silvia Alivernini, Cristina Andreoli, Gabriele Aquilina, Leonello Attias, Emilio Benfenati, Maria Dusinska, Naouale El Yamani, Henriqueta Louro, Francesca Marcon, Giuseppa Raitano, Elise Rundén-Pran, Maria Teresa Russo, Maria João Silva, Chiara Laura Battistelli   +14 more
doaj   +1 more source

Mutagenicity assessment of aerosols in emissions from wood combustion [PDF]

, 2011
Mestrado em Estudos AmbientaisPolycyclic aromatic hydrocarbon (PAH) extracts of PM2.5 collected from combustion of seven wood species and briquettes were tested for mutagenic activities using Ames test with Salmonella typhimurium TA98 and TA100.
Binh Ngan Vu
core   +1 more source

A novel, integrated in vitro carcinogenicity test to identify genotoxic and non-genotoxic carcinogens using human lymphoblastoid cells [PDF]

, 2017
Human exposure to carcinogens occurs via a plethora of environmental sources, with 70–90% of cancers caused by extrinsic factors. Aberrant phenotypes induced by such carcinogenic agents may provide universal biomarkers for cancer causation.
A Mitchell, AL Seager, Ann T. Doherty, Anna L. Seager, AR Molina de, C Casals-Casas, C Fumarola, D Avancini, D Breheny, D Gusenleitner, D Hanahan, D Hanahan, D Kirkland, D Kirkland, DJ Dix, DM Reif, DM Reif, DT Beranek, E Niki, E Willems, Eleanor C. Wilde, F Caiment, F Lang, G Robinson, GA Kerckaert, Gareth J. S. Jenkins, George E. Johnson, GM Williams, H Bartsch, I Rusyn, J Hukkanen, J Lukas, J McKim, J Sampson, James A. Tonkin, Jatin R. Verma, JC Caldwell, JH Tsai, JY Kim, K Brusehafer, K-H Kim, K-J Kwon, Katherine E. Chapman, Katja Brüsehafer, KW Bock, KZ Guyton, L Muller, L Stannard, Leanne M. Stannard, LF Stankowski, LG Hernandez, M Fenech, M Finnegan, M Kirsch-Volders, M. Rowan Brown, ME Long, MT Smith, NC Kleinstreuer, NR Council, NW Biggart, PC Chan, PJ Brooks, PK Mandal, Q Ke, R Benigni, R Herwig, RL Melnick, S Banin, S Grünert, S Knerr, S Llanos, S Wu, SC Tilton, SH Doak, Shareen H. Doak, SK Chakrabarti, T Bourcier, T Kruger, T Uehara, U Pinkernell, Ume-Kulsoom Shah, V Thybaud, W Lijinsky, Y Adeleye, Y Ioannou, Z Pincus   +85 more
core   +1 more source

Eco‐Friendly Schiff Base Cellulosic Adsorbent for Selective Removal of Cationic Dyes from Petroleum Wastewater: Synthesis, Characterization, and Application

Advanced Materials Interfaces, EarlyView.
The porous HMC selectively captures cationic dyes (MB and MG) from contaminated water, transforming dark, dye‐laden effluent into clean water. ABSTRACT Our investigation explores the exclusion of two health‐risk cationic dyes (e.g., Methylene Blue (MB) and Malachite Green (MG)) using a novel hydrazone‐modified cellulose (HMC) adsorbent synthesized via ...
Yasmeen G. Abou El‐Reash, Nuha Y. Elamin, Basem E. Keshta, Wafaa S. Abo El‐Yazeed, Heba E. Saad, Mohammed M. El‐Gamil, Mahdi A. Mohammed, Ahmad Hosseini‐Bandegharaei   +7 more
wiley   +1 more source

Comparative study on the degradation of dibutyl phthalate by two newly isolated Pseudomonas sp. V21b and Comamonas sp. 51F

Biotechnology Reports, 2017
Dibutyl phthalate is (DBP) the top priority toxicant responsible for carcinogenicity, teratogenicity and endocrine disruption. This study demonstrates the DBP degradation capability of the two newly isolated bacteria from municipal solid waste leachate ...
Vinay Kumar, Neha Sharma, S.S. Maitra
doaj   +1 more source