Results 101 to 110 of about 436,594 (321)

Invisible Labor and the “Ghost Particle”: Underground Physics at the Kolar Gold Fields**

open access: yesBerichte zur Wissenschaftsgeschichte, EarlyView.
Abstract When cosmic rays—high‐energy particles from outer space—encounter the Earth's atmosphere, they produce particles called neutrinos. To detect them, physicists go underground inside deep mines where the overlying rock can filter out the cosmic‐ray background radiation.
Nithyanand Rao
wiley   +1 more source

Novel procedure to prepare cadmium stannate films using spray pyrolysis technique for solar cell applications [PDF]

open access: yesarXiv, 2005
Thin films of cadmium stannate was prepared using low cost cadmium acetate and tin (II) chloride precursors by spray pyrolysis technique at three different substrate temperatures of 400, 450 and 5000 C. A novel procedure of simultaneously forming additional layer, introduced for the first time in this work, on the already coated cadmium stannate film ...
arxiv  

Exploring the Limits of Model-Targeted Indiscriminate Data Poisoning Attacks [PDF]

open access: yesarXiv, 2023
Indiscriminate data poisoning attacks aim to decrease a model's test accuracy by injecting a small amount of corrupted training data. Despite significant interest, existing attacks remain relatively ineffective against modern machine learning (ML) architectures.
arxiv  

Chemical Components of the Dried Latex of Euphorbia resinifera Berg and Its Medicinal Features

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT A great deal of research has been carried out on the latex of Euphorbia resinifera Berg, which is an important source of several compounds of therapeutic and medicinal interest. Extraction, synthesis, and hemi synthesis pathways continue to reveal the existence of other new products with anticancer, antioxidant, antidiuretic, and antimalarial ...
Doaa Hammad   +5 more
wiley   +1 more source

Fluorescent Deferoxamine Complexes of Cu(II) and Zr(IV): Insights in the Development of Dual Imaging Probes

open access: yesChemistry – A European Journal, EarlyView.
The insertion of a fluorescent coumarin unit by using a lysine‐based linker on deferoxamine leads to a chelating agent (DFOKC), whose Cu(II) and Zr(IV) complexes can be used for both optical imaging and positron emission tomography. DFOKC shows increased binding ability for Cu(II) and Zr(II) and improved tumor cell internalization via pinocytosis ...
Yschtar Tecla Simonini Steiner   +8 more
wiley   +1 more source

Progress in Pharmacogenomics Implementation in the United States: Barrier Erosion and Remaining Challenges

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
Barriers to incorporating pharmacogenetics into routine clinical practice in the United States are well documented. Initial surveys by the Clinical Pharmacogenetics Implementation Consortium (CPIC) in 2009 and 2010 identified barriers across four key domains that have hindered the widespread adoption of clinical pharmacogenetic testing.
D. Max Smith   +18 more
wiley   +1 more source

A Proxy Attack-Free Strategy for Practically Improving the Poisoning Efficiency in Backdoor Attacks [PDF]

open access: yesarXiv, 2023
Poisoning efficiency is crucial in poisoning-based backdoor attacks, as attackers aim to minimize the number of poisoning samples while maximizing attack efficacy. Recent studies have sought to enhance poisoning efficiency by selecting effective samples.
arxiv  

A Case of Bowen’s Disease and Small-Cell Lung Carcinoma: Long-Term Consequences of Chronic Arsenic Exposure in Chinese Traditional Medicine [PDF]

open access: yes, 2004
Chronic arsenic toxicity occurs primarily through inadvertent ingestion of contaminated water and food or occupational exposure, but it can also occur through medicinal ingestion.
Castren K   +8 more
core   +2 more sources

Metabolism study of 3‐chloromethcathinone (3‐CMC) by dried blood spot (DBS) sampling after controlled administration using a murine model

open access: yesDrug Testing and Analysis, EarlyView.
The metabolism of 3‐chloromethcathinone (3‐CMC) was studied after controlled administration in a murine model using the dried blood spot (DBS) technique for the sampling, storage and purification of blood samples. The metabolite profile of 3‐CMC was studied by LC‐HRMS, while the stability of 3‐CMC and its three identified metabolites was also assessed ...
Serena Mestria   +6 more
wiley   +1 more source

Poison as a Cure: Detecting & Neutralizing Variable-Sized Backdoor Attacks in Deep Neural Networks [PDF]

open access: yesarXiv, 2019
Deep learning models have recently shown to be vulnerable to backdoor poisoning, an insidious attack where the victim model predicts clean images correctly but classifies the same images as the target class when a trigger poison pattern is added. This poison pattern can be embedded in the training dataset by the adversary.
arxiv  

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