Results 131 to 140 of about 472,106 (257)

A VLSI compatible conducting polymer composite based "electronic nose" chip [PDF]

open access: yes, 2002
The focus of this work would be to exploit the vapor detection technology developed recently at Caltech that forms the basis for a low power, simple "electronic nose".
Lewis, Nathan S.
core  

Transcriptional profiling of circulating extracellular vesicles from prebiopsy prostate cancer patients

open access: yesMolecular Oncology, EarlyView.
RNA profiling of circulating extracellular vesicles (EVs) from blood samples of men undergoing prostate biopsy identifies transcripts associated with clinically significant prostate cancer. Integrative analysis with public tumor datasets links EV‐derived gene signatures to tumor stage and progression‐free survival, highlighting CASP3, XRCC2, and RIT1 ...
Stefan Werner   +14 more
wiley   +1 more source

Simulation study on dust emission and distribution characteristics of dust under the impact of coal flow at the transpersite of coal preparation plant

open access: yesMeitan xuebao
The transpersite in the coal transportation system is an important source of dust production in coal preparation plants. The coal produces a large amount of dust under the action of the drop of the transpersite, causing dust pollution and other problems.
Tianliang WEN   +4 more
doaj   +1 more source

Low-power ring counter drives high-level loads [PDF]

open access: yes, 1966
Ring counter dissipates very low power in standby conditions, yet drives high-current loads on a low duty-factor basis. Complementary transistors are used so that in one selected stage both transistors are conducting while the transistors of the other ...

core   +1 more source

Insights into a long life without cancer: The case of the bowhead whale

open access: yesMolecular Oncology, EarlyView.
Long‐lived, large‐bodied organisms have evolved powerful anticancer mechanisms that preserve cellular and tissue integrity across extended lifespans. A recent study by Firsanov et al. shows that greater genome stability is a key factor underlying the remarkable longevity and cancer resistance of one such species, the bowhead whale.
Inés Paniagua, Johanna A. Joyce
wiley   +1 more source

Low Power Superconducting Microwave Applications and Microwave Microscopy [PDF]

open access: yes, 1998
We briefly review some non-accelerator high-frequency applications of superconductors. These include the use of high-Tc superconductors in front-end band-pass filters in cellular telephone base stations, the High Temperature Superconductor Space ...
Anlage, Steven M.   +6 more
core   +2 more sources

Molecular cancer prevention: Intercepting disease

open access: yesMolecular Oncology, EarlyView.
Oncological practice must evolve, from treating established tumours to proactive cancer interception before clinical manifestation. This will require mechanistic insight into tumour initiation, validated biomarkers of early disease development and redesigned clinical trials, enabling cancer interception to become a core pillar of oncology with the ...
Charlotte Grieco   +2 more
wiley   +1 more source

Metastasis on pause: How dormant tumor cells stay hidden within the tumor microenvironment and evade immune surveillance

open access: yesMolecular Oncology, EarlyView.
Dormant cancer cells can hide in distant organs for years, evading treatment and the immune system. This review highlights how signals from the surrounding tissue and immune environment keep these cells inactive or trigger their reawakening. Understanding these mechanisms may help develop therapies to eliminate or control dormant cells and prevent ...
Kanishka Tiwary   +1 more
wiley   +1 more source

Interpretable machine learning analysis on CO2 adsorption and separation capacity of biochar under multi-scenario conditions

open access: yesGreen Energy & Environment
Biochar has been widely recognized as a promising solid CO2 adsorbent with economic and ecological benefits. Industrial CO2 emissions originate from diverse sources, while the pore structure and chemical functional groups of biochar exhibit varying ...
Jialiang Dong   +7 more
doaj   +1 more source

Power electronics for low power arcjets [PDF]

open access: yes
In anticipation of the needs of future light-weight, low-power spacecraft, arcjet power electronics in the 100 to 400 W operating range were developed.
Hamley, John A., Hill, Gerald M.
core   +1 more source

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