Warm up
Sydney subscribes to an online company
that allows her to download electronic
books. Her subscription costs a flat fee of
$30 for up to 10 downloads each month.
For each download over 10, there is an
additional charge per download
1. During the
Its a party!
Solving Multistep Equations
x3
18
Review of OneStep Equations
2x = 8
x +3 = 15
x 5 = 20
Be sure you can solve each type of problem before we begin!
With MultiStep Equations it can
be hard to know where to start.
pretend its a party!
You ar
NOTES: Graphing 3 different ways
We have used 3 different methods for graphing equations.
1.
_
2. _
3. _
The goal is to determine which method is the easiest to use for each problem!
Heres your cheat sheet!
If the equation is in STANDARD FORM (Ax + By = C
A1 U2 Explaining Steps to Solve Linear Equations Notes (AREI1, 3)
Name: _
Essential Question: How does one solve linear equations and inequalities?
I. Review
The Properties of Operations
Here a, b and c stand for arbitrary numbers in a given number syste
GSE Algebra I
Unit2 Relationships Among Quantities
Practice
Name: _ Date: _
Dimensional Analysis Worksheet
Setup and solve the following using dimensional analysis.
1. 5,400 inches to miles
2. 16 weeks to hours
3. 54 yards to cm
4. 19 inches to feet
5. 84
A1 U2 Rearrange Formula Notes (ACED 4)
Name_
I.
Activating Strategy:
A. Solve each equation for x and show each step.
1. 3x
7
=
8
2. 5(x 2) = 25
3.
10 12
15 x
B. Solve each equation for x and use the above equations to help you with your
steps.
1. 3x
2y
Wearable Biosensors Skin Interfaces




Skin Surface, Biocompatibility
Putting sensors on the skin
o 1.53.0 sq meters
o 23 mm thick
o Per square inch
650 sweat glands
20 blood vessels
60k melanocytes
1000 nerves
Interacting with skin: mechanics
Wearable Biosensors Photoplethysmography




PPG
o
Optical Sensing
Reflection
Absorption
Transmission
Scattering
I1/I0 =e^(alpha)(l)(c)
o L is the pass length
o C is the concentration of absorption
o Alpha is the absorption coefficient
PPG/Pulse
Wearable Biosensor




Home Pregnancy Test: Affinity Biosensor
o Antibody
Bio recognition element
o hCG
analyte to be detected
o Color Change
Transduction mechanism
o How it works
Antibody adsorbed latex sprayed onto nitrocellulose
Antibody plott
Wearable Biosensors


Recognition of Different Types of Materials
o Affinitiy = Antigens (almost any molecule)
o Catalytic = Metabolites
o Complement = labelledmolecules and DNA
o Synthetic =small molecule
Applying Biosensor Recognition
o Biorecognitio
Wearable Biosensors
Lecture VI: Haptics; Displacement, strain and pressure sensors






Haptics: Relating to touch; applying forces, vibration or motions
o Linear Sensors
Strain Gauges
Pressure
o Electronic Skin
Displacement: main parameter to me
Wearable Biosensors: Biomolecular Detection and Biomolecular Recognition Motifs






Biorecognition
o Recognition Elements
Affinity
Catalytic
AffinityLike
Synthetic
o Sensitivity and Selectivity
Affinity Biorecog/immunosensors
o Antiobodies a
Landry Grymes
ECE 453 HW#3
1)
% Motor paramters
% Note that the speed and voltage are given as 1X300 matrix
w=[1:1:500];
Vin=200*ones(size(w);
Raf=7;
k=0.2;
%
%
%
%
Insert the function that relates the torque to the speed below.
Note that the function wil
Wearable Biosensors
Notes 1/27/16
Electrocardiogram (ECG)
Pwave: a small low voltage deflection caused by depolarization of the atria prior to atrial
contraction
QRS complex; the largest amplitude portion of the ECG, caused by currents generated when the
High Efficiency ACDC
Power Supply
Team Members:
Sponsors:
Steffon Brigman, Shawn Grimsley,
Landry Grymes, Maverick Starkey
Dr. Alex Huang
Dr. Ruiyang Yu
Problem Statement
Create high efficiency
ACDC power supply for
competition
Main objective is to
ha
High Efficiency ACDC
Power Supply
Team Members:
Sponsors:
Steffon Brigman, Shawn Grimsley,
Landry Grymes, Maverick Starkey
Dr. Alex Huang
Dr. Ruiyang Yu
Problem Statement
Create high efficiency
ACDC power supply for
competition
Main objective is to
ha