Sylvia Guerrero
Biographic Data
| ID | 301663 |
|---|---|
| NAME | Sylvia Guerrero |
| GIVEN NAMES | Sylvia |
| FAMILY NAME | Guerrero |
| SIGNATURE | GUERRERO S |
| AFFILIATIONS | Australian National University |
| ORCID | 0000-0001-7563-3767 |
| VERIFIED | Yes |
| TOTAL WORKS | 12 |
| TOTAL CITATIONS | 7 |
| AUTHOR COUNT | 12 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1972 |
| LATEST PUBLICATION YEAR | 2024 |
| H-INDEX | 2 |
Silver refining in the New World
Historians have thoroughly documented the development of mercury-based silver refining in Spanish America in the late sixteenth century, and its use for over 300 years on an industrial scale unknown in Europe. However, we currently lack any consensus about the significance of this technology in the global history of knowledge. This article critically reassesses the invention and improvement of this refining method with the aim of addressing two i…
A synthesis of mercury research in the Southern Hemisphere, part 2
Environmental mercury (Hg) contamination is a global concern requiring action at national scales. Scientific understanding and regulatory policies are underpinned by global extrapolation of Northern Hemisphere Hg data, despite historical, political, and socioeconomic differences between the hemispheres that impact Hg sources and sinks. In this paper, we explore the primary anthropogenic perturbations to Hg emission and mobilization processes that…
Silver Veins, Dusty Lungs
Reviewed by: Silver Veins, Dusty Lungs: Mining, Water, and Public Health in Zacatecas, 1835–1946 by Rocio Gomez Saul Guerrero (bio) Silver Veins, Dusty Lungs: Mining, Water, and Public Health in Zacatecas, 1835–1946 By Rocio Gomez. Lincoln: University of Nebraska Press, 2020. Pp. 294. Water was indispensable for refining silver ores using mercury. It provided energy for the mills to grind the ores and the aqueous medium for the complex chemical r…
Evaluation of the cost-effectiveness of the treatment of uncomplicated severe acute malnutrition by lady health workers as compared to an outpatient therapeutic feeding programme in Sindh Province, Pa…
NCT03043352 , ClinicalTrials.gov. Retrospectively registered
Lead or Mercury, haifuki-hō or plata de azogue
In the sixteenth century the Spanish Empire would find itself owner and conqueror of the largest deposits of primary silver and mercury in the world, a geopolitical conjunction which would lead to the use of mercury at an industrial scale in the production of plata de azogue (silver by mercury) from silver sulfide deposits found in the Americas. Thus, two refining processes, the millennia-old two-stage smelting process based on lead and high temp…
Quality of care of treatment for uncomplicated severe acute malnutrition provided by lady health workers in Pakistan
Objective To assess the quality of care provided by lady health workers (LHW) managing cases of uncomplicated severe acute malnutrition (SAM) in the community. Design Cross-sectional quality-of-care study. Setting The feasibility of the implementation of screening and treatment for uncomplicated SAM in the community by LHW was tested in Sindh Province, Pakistan. An observational, clinical prospective multicentre cohort study compared the LHW-deli…
Harnessing cross-border resources to confront climate change
The history of silver refining in New Spain, 16c to 18c
The refining of silver ores in New Spain was defined by the chemical nature of the silver ore. Argentiferous galena (lead sulphide) could only be refined by smelting (36% silver produced), irrespective of silver content, and amalgamation (64%) could only be applied to the silver sulphide ores. Both processes were transferred from Europe, but amalgamation was transformed by local expertise from a recipe of limited application to an industrial-scal…
Barriers to access for severe acute malnutrition treatment services in Pakistan and Ethiopia
Objective To understand and compare the primary barriers households face when accessing treatment for cases of childhood severe acute malnutrition (SAM) in different cultural settings with different types of implementing agencies. Design The study presents a comparative qualitative analysis of two SAM treatment services, selected to include: (i) one programme implemented by a non-governmental organization and one by a Ministry of Health; and (ii)…
A qualitative investigation of adherence to nutritional therapy in malnourished adult Aids patients in Kenya
Objective To understand factors affecting the compliance of malnourished, HIV-positive adults with a nutritional protocol using ready-to-use therapeutic food (RUTF; Plumpy'nut ® ). Design Qualitative study using key informant interviews, focus group discussions and direct observations. Setting Ministry of Health HIV/programme supported by Médecins Sans Frontièrs (MSF) in Nyanza Province, Kenya. Subjects Adult patients ( n 46) currently or previou…
Venetian Glass Beads and the Slave Trade from Liverpool, 1750-1800
The competition within the slave trade during the 18th century forced slave traders to search for an assortment of barter cargo that would attract the preferential attention of the African suppliers of slaves. An enterprising group of Liverpool slave traders that formed William Davenport & Co. rose to the occasion and in three years became the supplier of half of all the glass beads re-exported to Africa from England. An analysis of barter values…
Distance and Intergenerational Ties of Farm Families
The purpose of this paper is the analysis of the interactional patterns of Wisconsin farm couples with their parents. Step-wise multiple regression analysis provides a technique to solve a sequence of one or more multiple linear models by step-wise application of the least sum-of-squares method. The predictor variables used in this analysis include: distance, husband's age, stage in the family life-cycle, husband's education, wife's education, gr…
Distance and Intergenerational Ties of Farm Families
The purpose of this paper is the analysis of the interactional patterns of Wisconsin farm couples with their parents. Step-wise multiple regression analysis provides a technique to solve a sequence of one or more multiple linear models by step-wise application of the least sum-of-squares method. The predictor variables used in this analysis include: distance, husband's age, stage in the family life-cycle, husband's education, wife's education, gr…
A synthesis of mercury research in the Southern Hemisphere, part 2
Environmental mercury (Hg) contamination is a global concern requiring action at national scales. Scientific understanding and regulatory policies are underpinned by global extrapolation of Northern Hemisphere Hg data, despite historical, political, and socioeconomic differences between the hemispheres that impact Hg sources and sinks. In this paper, we explore the primary anthropogenic perturbations to Hg emission and mobilization processes that…
Distance and Intergenerational Ties of Farm Families
The purpose of this paper is the analysis of the interactional patterns of Wisconsin farm couples with their parents. Step-wise multiple regression analysis provides a technique to solve a sequence of one or more multiple linear models by step-wise application of the least sum-of-squares method. The predictor variables used in this analysis include: distance, husband's age, stage in the family life-cycle, husband's education, wife's education, gr…
Venetian Glass Beads and the Slave Trade from Liverpool, 1750-1800
The competition within the slave trade during the 18th century forced slave traders to search for an assortment of barter cargo that would attract the preferential attention of the African suppliers of slaves. An enterprising group of Liverpool slave traders that formed William Davenport & Co. rose to the occasion and in three years became the supplier of half of all the glass beads re-exported to Africa from England. An analysis of barter values…
A qualitative investigation of adherence to nutritional therapy in malnourished adult Aids patients in Kenya
Objective To understand factors affecting the compliance of malnourished, HIV-positive adults with a nutritional protocol using ready-to-use therapeutic food (RUTF; Plumpy'nut ® ). Design Qualitative study using key informant interviews, focus group discussions and direct observations. Setting Ministry of Health HIV/programme supported by Médecins Sans Frontièrs (MSF) in Nyanza Province, Kenya. Subjects Adult patients ( n 46) currently or previou…
Barriers to access for severe acute malnutrition treatment services in Pakistan and Ethiopia
Objective To understand and compare the primary barriers households face when accessing treatment for cases of childhood severe acute malnutrition (SAM) in different cultural settings with different types of implementing agencies. Design The study presents a comparative qualitative analysis of two SAM treatment services, selected to include: (i) one programme implemented by a non-governmental organization and one by a Ministry of Health; and (ii)…
The history of silver refining in New Spain, 16c to 18c
The refining of silver ores in New Spain was defined by the chemical nature of the silver ore. Argentiferous galena (lead sulphide) could only be refined by smelting (36% silver produced), irrespective of silver content, and amalgamation (64%) could only be applied to the silver sulphide ores. Both processes were transferred from Europe, but amalgamation was transformed by local expertise from a recipe of limited application to an industrial-scal…
Quality of care of treatment for uncomplicated severe acute malnutrition provided by lady health workers in Pakistan
Objective To assess the quality of care provided by lady health workers (LHW) managing cases of uncomplicated severe acute malnutrition (SAM) in the community. Design Cross-sectional quality-of-care study. Setting The feasibility of the implementation of screening and treatment for uncomplicated SAM in the community by LHW was tested in Sindh Province, Pakistan. An observational, clinical prospective multicentre cohort study compared the LHW-deli…
Harnessing cross-border resources to confront climate change
Evaluation of the cost-effectiveness of the treatment of uncomplicated severe acute malnutrition by lady health workers as compared to an outpatient therapeutic feeding programme in Sindh Province, Pa…
NCT03043352 , ClinicalTrials.gov. Retrospectively registered
Lead or Mercury, haifuki-hō or plata de azogue
In the sixteenth century the Spanish Empire would find itself owner and conqueror of the largest deposits of primary silver and mercury in the world, a geopolitical conjunction which would lead to the use of mercury at an industrial scale in the production of plata de azogue (silver by mercury) from silver sulfide deposits found in the Americas. Thus, two refining processes, the millennia-old two-stage smelting process based on lead and high temp…
Silver Veins, Dusty Lungs
Reviewed by: Silver Veins, Dusty Lungs: Mining, Water, and Public Health in Zacatecas, 1835–1946 by Rocio Gomez Saul Guerrero (bio) Silver Veins, Dusty Lungs: Mining, Water, and Public Health in Zacatecas, 1835–1946 By Rocio Gomez. Lincoln: University of Nebraska Press, 2020. Pp. 294. Water was indispensable for refining silver ores using mercury. It provided energy for the mills to grind the ores and the aqueous medium for the complex chemical r…
A synthesis of mercury research in the Southern Hemisphere, part 2
Environmental mercury (Hg) contamination is a global concern requiring action at national scales. Scientific understanding and regulatory policies are underpinned by global extrapolation of Northern Hemisphere Hg data, despite historical, political, and socioeconomic differences between the hemispheres that impact Hg sources and sinks. In this paper, we explore the primary anthropogenic perturbations to Hg emission and mobilization processes that…
Silver refining in the New World
Historians have thoroughly documented the development of mercury-based silver refining in Spanish America in the late sixteenth century, and its use for over 300 years on an industrial scale unknown in Europe. However, we currently lack any consensus about the significance of this technology in the global history of knowledge. This article critically reassesses the invention and improvement of this refining method with the aim of addressing two i…
Archaeology (4 works) · Environmental Science (4 works) · Geography (4 works) · Medicine (4 works) · Nursing (4 works) · Sociology (4 works) · Child Nutrition and Water Access (3 works) · Economic growth (3 works) · Environmental health (3 works) · History (3 works)