Results 51 to 60 of about 225,284 (208)

New bryophyte taxon records for tropical countries 1 [PDF]

open access: yes, 1997
This is the first in a series of papers listing new records, which will be published whenever sufficient new records have been found. The taxa are arranged by countries for an easier evaluation, e.g. updates of checklists. The initials of the contributor
Eggers, Jens   +4 more
core  

DNA‐Loaded Nanoparticles Reprogram the Tumor Immune Microenvironment to Treat Brain Tumors

open access: yesSmall Science, Volume 6, Issue 1, January 2026.
Biodegradable poly(beta‐amino ester) nanoparticles can be employed to deliver immunostimulatory genes (4‐1BBL and IL‐12) to reprogram brain tumor cells into antigen‐presenting cells to stimulate an anti‐tumor response, resulting in tumor regression and long‐term survival in GBM and meningioma models.
Joanna Yang   +14 more
wiley   +1 more source

Geostatistical modeling of soil contamination by arsenic and mercury in Mollehuaca, Peru

open access: yesJournal of Degraded and Mining Lands Management
This study focused on the geostatistical modeling of arsenic (As) and mercury (Hg) contamination levels in soils of the Mollehuaca settlement, Arequipa, Peru, an area significantly affected by artisanal mining.
Enmanuel Hernan Tumy-Gomez   +4 more
doaj   +1 more source

Integración andina con integridad

open access: yesAllpanchis, 1999
Una mirada retrospectiva en torno a la vida y los escritos del gran pensador peruano y puneño Emilio Romero (1899-1994), cuyo centenario celebramos este último año del siglo y milenio, da la oportunidad de recordar a una de las grandes figuras de uno de ...
Esteban Judd Zanon, M.M.
doaj   +1 more source

FDI attraction strategies in Peru’s SEZ: Identifying constraints and optimal industries*

open access: yesDevelopment Policy Review, Volume 44, Issue 1, January 2026.
Abstract Motivation Peru has positioned itself as an attractive destination for foreign direct investment (FDI), yet the economic impact of its Special Economic Zones (SEZs) remains significantly underutilized. These zones currently contribute less than 1% of Peru's total exports – a stark contrast to regional counterparts which achieve approximately ...
Keun‐Yeob Oh   +3 more
wiley   +1 more source

Multidimensional taxonomy of fiscal vulnerability in mining regions: An approach based on differential predictability

open access: yesJournal of Degraded and Mining Lands Management
This study develops an innovative framework to assess fiscal vulnerability in regions dependent on mining resources in Peru. Using data from 25 departments (2015-2023), this study constructed a multidimensional taxonomy that integrates dependency ...
Hugo Ticona-Salluca   +6 more
doaj   +1 more source

La magia de la llanura y las aguas

open access: yesAllpanchis, 1999
"Todo es grande allí, En las pampas cubiertas de pajonales discurren millares de ovejas como nubes... Hasta en sus calamidades es grandiosa la meseta... De pronto toda la naturaleza se nuble, el rayo surge seguido del retumbante trueno.
Martha Giraldo Alayza
doaj   +1 more source

Four From Four Isn\u27t Zero [PDF]

open access: yes, 1987
The title applies to the following tetrad of poems, written entirely in four-letter words. In these pages in November 1986, I reported on the results of a prior experiment which I had conducted to test the literal sense of a Cole Porter lyric which ...
Henrick, John
core   +1 more source

Analysis and impact of meteorological droughts in the agriculture of Puno region, Peru [PDF]

open access: diamond, 2021
Valeriano Condori-Apaza   +4 more
openalex   +1 more source

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