Results 91 to 100 of about 409,937 (288)

Comparison of the efficiency of sodium nitrate and superphosphate as nutrients in the bioremediation of petroleum hydrocarbon polluted water [PDF]

open access: yes, 2011
The effect of Aspergillus Niger stimulated with 0.2M sodium nitrate and 0.2M single superphosphate fertilizer (nutrients) was investigated in this study. The ambient temperature averaged 29oC all through the 25 days of the research.
Anawe, Paul Apeye Lucky   +3 more
core   +1 more source

Advancing Malic Acid Production of Aspergillus oryzae: Combined Process Optimization and Application of Various Substrates

open access: yesBiotechnology and Bioengineering, EarlyView.
ABSTRACT In light of climate change and growing resource scarcity, microbial production of organic acids offers a sustainable alternative to fossil‐based chemical synthesis. In this study, malic acid production by Aspergillus oryzae was optimized through cultivation temperature adjustment and biotin supplementation, while organic acid formation from ...
Lukas Hartmann   +6 more
wiley   +1 more source

Development Of Ecologically Safe Technology Of Waste Mycelia Recycling [PDF]

open access: yes, 2017
Chitosan is a cationic polymer derived by deacetylation of chitin obtained from crustaceans. Biodegradable and mucoadhesion properties of chitosan have recently led to increasing the interest.
Yegorova, O. (Oksana)
core   +2 more sources

Establishment of a Single‐Cell Minimal Medium: A Case Study for Microfluidic Cultivation of Corynebacterium glutamicum

open access: yesBiotechnology and Bioengineering, EarlyView.
Conventional bulk media are often unsuitable for single‐cell cultivation and analysis because they provide excess nutrients or lack essential components. Redesigning the medium allows for controlled, defined growth, enabling the development of a robust minimal medium that supports quantitative and reproducible single‐cell analysis across different ...
Judith Wegmann   +5 more
wiley   +1 more source

Special Issue: Hausa texts from Maradi (Niger) collected by Claude Gouffé in 1968 (with annotations in French)

open access: yesStudies in African Languages and Cultures
SALC Special Issue 2024 is documentation of the Hausa oral tradition from Niger. The texts, originally handwritten notes from field research, are the legacy of the outstanding French researcher of the Hausa language and culture, Claude Gouffé (1926-2013).
Nina Pawlak   +2 more
doaj  

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

open access: yesBiological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen   +15 more
wiley   +1 more source

Migration Management in West Africa: The Role of the EU and Internal Risks for Countries in the Region - the Case of Niger

open access: yesVestnik RUDN. International Relations
Irregular mass migrations are widely recognised as posing threats to both the personal security of participants and the national security of transit/destination countries.
Oksana A. Morgunova   +1 more
doaj   +1 more source

Analysis of variance components reveals the contribution of sample processing to transcript variation [PDF]

open access: yes, 2009
The proper design of DNA microarray experiments requires knowledge of biological and technical variation of the studied biological model. For the filamentous fungus Aspergillus niger, a fast, quantitative real-time PCR (qPCR)-based hierarchical ...
Veen, D., van der   +3 more
core   +1 more source

Does Sustainability Auditing Lead to Enhanced Corporate Governance, Environmental Performance, and Financial Outcomes? Empirical Evidence From High‐Impact Industries

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study employs hierarchical regression modelling on a survey of 550 firms from Nigeria and Ghana to examine the impact of sustainability auditing on corporate governance, environmental performance, and financial outcomes of high‐impact industries.
Mandella Osei‐Assibey Bonsu   +3 more
wiley   +1 more source

Digital Transformation and Informal Innovation in Africa: Reframing STI Policy for Inclusive Circular Economy Transitions

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Amid increasing environmental and economic pressures, Africa's transition to a circular economy (CE) presents a vital pathway to inclusive, low‐carbon development. Yet, how digital transformation, informal innovation, and science, technology, and innovation (STI) policy readiness shape CE outcomes remains underexplored.
Emmanuel K. Manu   +2 more
wiley   +1 more source

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