Biological physics by Philip Nelson

By Philip Nelson

The 1st textual content of its style, organic PHysics synthesizes info from the constructing box of organic physics. The textual content makes a speciality of new ends up in molecular cars, self-assembly and single-molecule manipulation,integrating those issues with classical effects. The textual content additionally offers foundational fabric from the rising box of nanotechnology. equipped round a self-contained middle, the textual content is aimed at undergraduate scholars who've taken three hundred and sixty five days of calculus-based physics. also, there are "Track-2" sections that comprise extra complex fabric for senior physics majors and graduate scholars.

Show description

Read or Download Biological physics PDF

Similar biophysics books

General George H. Thomas: A Biography of the Union's ''Rock of Chickamauga''

One of many Civil War's such a lot profitable generals is heralded via army historians yet by no means accomplished the lasting status of provide, Lee, Jackson or Sherman. George Thomas's Southern delivery, the ambition of fellow officials, and his motion within the less-publicized Western Theater mixed to maintain him from achieving popularity.

Behavioral Neurobiology of Schizophrenia and Its Treatment (Current Topics in Behavioral Neurosciences, Volume 4)

This ebook describes the state of the art of remedy of schizophrenia and displays its improvement in 22 chapters written by means of major experts within the box

Additional info for Biological physics

Example text

We will often use the symbols N to denote the number of discrete things (a dimensionless integer), V to denote volume (with SI units m3 ), and q to denote a quantity of electric charge (with dimensions coul). •The rates of change of these quantities will generally be written dN/dt (with units s−1 ), Q (the “volume flow rate,” with units m3 s−1 ), and I (the electric current, with units coul s−1 ). 005 m−3 . Densities of dimensional quantities are traditionally denoted by the symbol ρ; a subscript will indicate what sort of quantity.

You should also come away with a general feeling for the hierarchy of scales in a cell, and a sense of how the governing principles at each scale emerge from, but have a character different from, those at the next deeper scale. Finally, the exquisite structures on the following pages practically beg us to ask: How can a cell keep track of everything, when there’s nobody in there running the factory? This question has c 2000 Philip C. Nelson you’re not familiar with the vocabulary of this chapter, you will probably want to supplement it by reading the opening chapters of any cell biology book; see for example the list at the end of this chapter.

Molecules generally prefer to indulge in heat-liberating (exothermic) reactions over heat-accepting (endothermic) ones, but we can nevertheless get them to adopt higher-energy states by adding energy from outside. For example, we can split (or hydrolyze) water by passing electrical current through it. More precisely, Chapter 8 will show that chemical reactions proceed in the direction that tends to lower the free energy, just as in the osmotic machine. Even an unstable molecule may not spontaneously split up until a large “activation energy” is supplied; this is how explosives store their energy until they are detonated.

Download PDF sample

Rated 4.28 of 5 – based on 33 votes

Categories: Biophysics