Results 81 to 90 of about 1,954,433 (363)

Recent Progress in Optical Biosensors Based on Smartphone Platforms

open access: yesSensors, 2017
With a rapid improvement of smartphone hardware and software, especially complementary metal oxide semiconductor (CMOS) cameras, many optical biosensors based on smartphone platforms have been presented, which have pushed the development of the point-of ...
Zhaoxin Geng   +5 more
doaj   +1 more source

Etoposide‐induced cancer cell death: roles of mitochondrial VDAC1 and calpain, and resistance mechanisms

open access: yesMolecular Oncology, EarlyView.
The complex mode of action of the topoisomerase II inhibitor etoposide in triggering apoptosis involves several mechanisms: overexpression of the mitochondrial protein VDAC1, leading to its oligomerization and formation of a large channel that mediates the release of pro‐apoptotic protein; and overexpression of the apoptosis regulators p53, Bax, and ...
Aditya Karunanithi Nivedita   +1 more
wiley   +1 more source

The scanning electron microscope in microbiology and diagnosis of infectious disease

open access: yesScientific Reports, 2016
Despite being an excellent tool for investigating ultrastructure, scanning electron microscopy (SEM) is less frequently used than transmission electron microscopy for microbes such as viruses or bacteria.
Christine G. Golding   +3 more
semanticscholar   +1 more source

THE MICROSCOPE AND LIFE [PDF]

open access: yesSchool Science and Mathematics, 1903
n ...
openaire   +2 more sources

Response to neoadjuvant chemotherapy in early breast cancers is associated with epithelial–mesenchymal transition and tumor‐infiltrating lymphocytes

open access: yesMolecular Oncology, EarlyView.
Epithelial–mesenchymal transition (EMT) and tumor‐infiltrating lymphocytes (TILs) are associated with early breast cancer response to neoadjuvant chemotherapy (NAC). This study evaluated EMT and TIL shifts, with immunofluorescence and RNA sequencing, at diagnosis and in residual tumors as potential biomarkers associated with treatment response.
Françoise Derouane   +16 more
wiley   +1 more source

The Microscope: An Introduction to Microscopic Methods and to Histology

open access: yesTransactions of the American Microscopical Society, 1925
"The metric system" and "Tables of natural sines" on lining-papers. ; Bibliography: p. [282]-288. ; Mode of access: Internet.
openaire   +1 more source

Stochastic variation in the FOXM1 transcription program mediates replication stress tolerance

open access: yesMolecular Oncology, EarlyView.
Cellular heterogeneity is a major cause of drug resistance in cancer. Segeren et al. used single‐cell transcriptomics to investigate gene expression events that correlate with sensitivity to the DNA‐damaging drugs gemcitabine and prexasertib. They show that dampened expression of transcription factor FOXM1 and its target genes protected cells against ...
Hendrika A. Segeren   +4 more
wiley   +1 more source

The Use of the Microscope [PDF]

open access: yesThe Journal of Nervous and Mental Disease, 1885
n ...
openaire   +2 more sources

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