, but this code // executes before the first paint, when

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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Erica Boldenow | 麻豆区

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Dr. Erica Boldenow

Associate Professor
Biology
Public Health

Biography

I did my undergraduate work at Calvin before going on to earn a Ph.D. at the University of Michigan. When I am not teaching or in the lab, I can usually be found spending time with friends and family. I enjoy cooking for lots of people, canning, and spending time in the outdoors (canoeing, camping, hiking, etc.). Life always seems better in a canoe.

Education

  • Ph.D. in Toxicology, University of Michigan (2014)
  • B.S. in Biology, Calvin College (2008)

Academic Interests

  • Group B Streptococcus infection
  • Host response to infections during pregnancy
  • Adverse birth outcomes
  • Host immune response to environmental contaminants
  • Environmental stewardship
  • Best teaching practices

Research

My research focuses on understanding the mechanisms of adverse birth outcomes such as preterm birth. Specifically, I am interested in the mechanisms by which Group B Streptococcus (GBS; S. agalactiae) interacts at the maternal-fetal interface. GBS infection in pregnancy increases risk for adverse birth outcomes such as preterm birth, neonatal sepsis, and congenital neurodevelopmental disorders and is the leading cause of neonatal morbidity and mortality in the United States. In addition to infections during pregnancy, I am also interested in how environmental contaminants potentially lead to adverse birth outcomes. During my Ph.D., I investigated how phthalates, brominated flame retardants, and trichloroethylene (TCE) contributed to changes in host immune response during pregnancy. I enjoy teaching in the classroom and working with undergraduates in the lab. I am also interested in understanding and incorporating best teaching practices in the college classroom.

Erica Boldenow

Contact Me

616-526-6490
211 DeVries Hall

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