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Bulk thermally conductive polyethylene as a thermal interface material.
Mater Horiz
January 2025
Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York 14853, USA.
As the demand for high-power-density microelectronics rises, overheating becomes the bottleneck that limits device performance. In particular, the heterogeneous integration architecture can magnify the importance of heat dissipation and necessitate electrical insulation between critical junctions to prevent dielectric breakdown. Consequently, there is an urgent need for thermal interface materials (TIMs) with high thermal conductivity and electrical insulation to address this challenge.
View Article and Find Full Text PDFDermoscopic Features of Diaper Dermatoses in Children: A Descriptive Pilot Study.
Indian Dermatol Online J
November 2024
Department of Dermatology, Venereology, and Leprosy, Gandhi Medical College, Secundarabad, Telangana, India.
Background: Diaper dermatoses broadly refer to skin disorders that occur in the diaper area. Dermoscopy is a non-invasive diagnostic tool that magnifies subsurface structures of the skin that are invisible to the unaided eye.
Aim: To identify and describe the dermoscopic features of dermatoses in the diaper area.
Local Polarization Piezoelectric Electric Field Promoted Water Dissociation for Hydroxyl Radical Generation under Ambient Humidity Condition.
Adv Mater
January 2025
College of Environment and Climate, Guangdong Provincial Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China.
Combining piezocatalysts with mechanical ball milling for dissociating water to generate hydroxyl radicals (·OH) offers unprecedented opportunities for energy conversion and environmental remediation. However, the in-depth insights into the relationship between water and local polarization piezoelectric electric field (LPPEF) are currently lacking, in particularly, the ·OH formation mechanism in ball milling driven piezocatalyst system is not systematically elucidated. To this end, the present work constructs a ball milling driven piezoelectric solid/liquid interface between piezoelectric PbBOCl (PBOC) and different contents of water to investigate LPPEF initiated catalytic reaction.
View Article and Find Full Text PDFLife-history adaptation under climate warming magnifies the agricultural footprint of a cosmopolitan insect pest.
Nat Commun
January 2025
Department of Ecology and Genetics, Program of Animal Ecology. Uppsala University, Norbyvägen 18D, 75236, Uppsala, Sweden.
Climate change is affecting population growth rates of ectothermic pests with potentially dire consequences for agriculture and global food security. However, current projection models of pest impact typically overlook the potential for rapid genetic adaptation, making current forecasts uncertain. Here, we predict how climate change adaptation in life-history traits of insect pests affects their growth rates and impact on agricultural yields by unifying thermodynamics with classic theory on resource acquisition and allocation trade-offs between foraging, reproduction, and maintenance.
View Article and Find Full Text PDFElucidating the effect of chitosan microgel characteristics on the large amplitude oscillatory shear (LAOS) behavior of their stabilized high internal phase emulsions using the sequence of physical processes (SPP) approach and comparison with mayonnaise.
Int J Biol Macromol
January 2025
Glyn O. Phillips Hydrocolloid Research Centre, National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Industrial Microbiology in Hubei, Key Laboratory of Fermentation Engineering (Ministry of Education), School of Life and Health Sciences, Hubei University of Technology, Wuhan 430068, China; Food Hydrocolloid International Science and Technology Cooperation Base of Hubei Province, Wuhan 430068, China. Electronic address:
Chitosan microgels (h-CSMs) were prepared by cross-linking hydrophobically modified chitosan with sodium phytate (SP). Emulsions stabilized by h-CSMs with different inter-phase fraction, microgel concentration and cross-linking density were studied of their microstructural and rheological properties. In particular, the large amplitude oscillatory shear (LAOS) of the high internal phase emulsions (HIPEs) stabilized by h-CSMs were systematically analyzed using the Fourier transform with Chebyshev polynomials (FTC) and sequence of physical processes (SPP) methods to explore their nonlinear rheological properties.
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