Results 71 to 80 of about 47,994 (253)

Safeguarding the Photoluminescence of Silver Sulfide Nanocrystals in Biological Environments via Silica Shielding

Small, EarlyView.
Interactions with biomolecules can alter the photoluminescence of Ag2S nanocrystals, undermining near‐infrared imaging and thermometry. Incorporation into dendritic silica minimizes these interactions and preserves emission intensity, spectral response, and lifetime in plasma and whole blood. This shielding enables more reliable imaging and temperature
Alejandro Hernández Medel, Marina París Ogáyar, Livia Didonè, Peijiang Wang, Ramón Manzorro, Ana B. Hungría, Miriam Granado, Beatriz H. Juárez, Daniel Jaque, Emma Martín Rodríguez, Riccardo Marin, Célia T. Sousa   +11 more
wiley   +1 more source

Entomological evaluations of results of residual DDT spraying during 1946 [PDF]

During the 1946 season the Communicable Disease Center of the U. S. Public Health Service, in cooperation with State Health Departments in the Southern States continued and expanded the Extended Program for malaria control which was begun during 1945 ...

core  

Design, synthesis and activity evaluation of tetrahydroisoquinoline‐based programmed cell death ligand 1 inhibitors

Smart Molecules, EarlyView.
Based on a 3D‐quantitative structure‐activity relationship pharmacophore model, structural optimization of Y6 yielded Y7f. Mechanistic studies revealed that Y7f acted as a programmed death receptor 1/programmed cell death ligand 1 (PD‐L1) interaction inhibitor by inducing PD‐L1 dimerization. Y7f restored T‐cell function.
Menglin Yu, Sen Cai, Yanyan Pan, Heshuang Wang, Fengwu Zhang, Aiyu Ma, Shixuan Lv, Xiuhan Guo, Shisheng Wang, Qiling Song, Chunyan Ma, Shuai Wang, Li Zhang, Jian Wang, Qingwei Meng, Yueqing Li   +15 more
wiley   +1 more source

Oxidative Damage, Energy Imbalance, and Behavioral Disruptions in Girardia tigrina Exposed to Treated Sewage Effluents

Environmental Toxicology, EarlyView.
ABSTRACT This study assessed the ecotoxicological effects of treated sewage on the freshwater planarian Girardia tigrina, integrating biochemical, energetic, and behavioral biomarkers. Planarians were exposed for 48 h to different concentrations of treated sewage (12.5%, 25%, 50%, and 100%) and compared to controls using commercial water and water from
Renata M. P. Freitas, Pedro H. Carvalho, Daniela de Melo e Silva, Carlos Gravato   +3 more
wiley   +1 more source

Developmental exposure to low doses of dichlorodiphenyltrichloroethane disrupts functional and morphologic maturation of the spleen in prepubertal rats

Russian Open Medical Journal
Dichlorodiphenyltrichloroethane (DDT) is a versatile persistent pollutant with endocrine disrupting properties and an alleged immune modulator. Objective — to evaluate the parameters of functional and morphological maturation of the spleen in prepubertal
Bella B. Gagulaeva, Nataliya V. Yaglova, Sergey S. Obernikhin, Ekaterina P. Timokhina   +3 more
doaj   +1 more source

Global trends in the production and use of DDT for control of malaria and other vector-borne diseases

Malaria Journal, 2017
Background DDT was among the initial persistent organic pollutants listed under the Stockholm Convention and continues to be used for control of malaria and other vector-borne diseases in accordance with its provisions on acceptable purposes.
Henk van den Berg, Gamini Manuweera, Flemming Konradsen   +2 more
doaj   +1 more source

Photocatalytic and Biotechnological Strategies for Remediation of Persistent Organic Pollutants: Mechanisms, Toxicity, and Antimicrobial Perspectives

Environmental Toxicology, EarlyView.
ABSTRACT Persistent organic pollutants (POPs) pose significant ecological and human health risks due to their persistence, bioaccumulation, toxicity, and global distribution. Conventional remediation methods are often inadequate for achieving complete mineralization, demonstrating the need for advanced and substantial approaches.
Viola O. Okechukwu, Patrick B. Njobeh, Jonathan O. Okonkwo   +2 more
wiley   +1 more source

Brief digest of information on DDT [PDF]

RESTRICTEDAlthough an enormous amount of laboratory work has been done on the use of DDT as an insecticide the final recommendations for its field use against mosquitoes and other insects of military importance have yet to be written.

core  

DDT Paradox [PDF]

Environmental Health Perspectives, 2011
Tren, Richard, Roberts, Donald
openaire   +2 more sources

Toward a Politics of (In)Fertility: Reproductive Debility in Africa

American Anthropologist, EarlyView.
ABSTRACT Sub‐Saharan Africa has some of the highest estimated rates of infertility or involuntary childlessness in the world, leading epidemiologists to refer to parts of the region as the “infertility belt.” The medicalization of infertility and the situating of assisted reproductive technologies (ARTs) as the treatment for infertility have siphoned ...
Tessa Moll
wiley   +1 more source